WO2018129741A1 - Filter element joint chair, filter element assembly provided with same, and water purifier - Google Patents

Abstract

A filter element joint chair, a filter element assembly provided with the same, and a water purifier. The filter element joint chair (100) is suitable for mounting the filter element. The filter element joint chair (100) comprises a joint chair body (10), a water intake stop rod (20) and a water discharge stop rod (30). A water intake channel (11) and a water discharge channel (12) are disposed on the joint chair body (10), the water intake stop rod (20) is movably disposed in a water intake channel (11), and the water discharge stop rod (30) is movably disposed in a water discharge channel (12).

Description

Filter cartridge and filter element with it, water purifier Technical field

The invention relates to the technical field of water purifiers, in particular to a filter cartridge holder and a filter element assembly and a water purifier having the same.

Background technique

The filter element of the water purifier in the related art is directly connected with the inlet pipe and the outlet pipe. When replacing the filter element, the inlet water main valve needs to be closed first to prevent the removal of the filter element from being sprayed out of the inlet pipe, which not only causes waste of water flow, but also It is unnecessary trouble to replace the filter element. After the filter element is replaced, the inlet pipe main valve is opened. The replacement process is cumbersome and the waiting time for replacement is long, which seriously affects the user's experience comfort.

Summary of the invention

The present invention aims to solve at least one of the above technical problems to some extent.

To this end, the present invention proposes a filter cartridge socket which simplifies the replacement process of the filter cartridge and can effectively prevent leakage of water flow.

The invention also proposes a filter element assembly having the above-described filter cartridge holder.

The invention also proposes a water purifier having the above-described filter element assembly.

The filter cartridge socket according to the embodiment of the first aspect of the present invention is suitable for installing a filter cartridge, comprising: a socket body, a water inlet water stop rod and a water outlet water stop rod, wherein the socket body is provided with a water inlet channel and a water outlet channel, The water inlet stop rod is movably disposed in the water inlet passage, and the water inlet water stop rod is configured to conduct the water inlet passage when pressed by the filter element and to connect the filter element from the connection Disconnecting the water inlet passage when the seat body is removed, the water outlet water stop rod is movably disposed in the water outlet passage, and the water outlet water stop rod is configured to be electrically connected when being squeezed by the filter element The water passage is described and the water outlet passage is disconnected when the filter element is removed from the socket body.

According to the filter core socket of the embodiment of the invention, the water outlet rod and the water inlet water stop rod are respectively arranged in the water inlet passage and the water outlet passage of the socket body, and the water outlet water stop rod and the water inlet water stop rod are driven by the filter element. To achieve the purpose of turning on or blocking the water inlet channel and the water outlet channel, the water flow leakage in the water inlet channel and the water outlet channel during the filter replacement process can be prevented under the premise of ensuring the smooth flow of the filter core, thereby saving water resources and also for the filter element. It is convenient to replace and maintain. Compared with the filter cartridge in the related art, the replacement process of the filter element is simplified, and the replacement of the filter element is reduced.

In addition, the filter cartridge holder according to the embodiment of the present invention may further have the following additional technical features:

According to an embodiment of the present invention, the filter cartridge socket further includes: a sealing cover plate disposed on the socket body and located at one end of the water inlet passage and the water outlet passage, The inlet water stop rod and the water outlet water stop rod are respectively movably disposed on the sealing cover.

According to an embodiment of the present invention, the water inlet stop rod is movably disposed in the water inlet passage along an axial direction thereof, and one end of the water inlet water stop rod is movably connected to the sealing cover plate The other end of the water inlet stop rod is provided with a first blocking portion, the radial dimension of the first blocking portion is larger than the radial dimension of the other end of the water inlet passage, the first blocking Closing the other end of the water inlet passage when the water inlet water stop rod is squeezed and closing the other end of the water inlet passage when the water inlet water stop rod is not squeezed by the filter element The water stop rod is movably disposed in the water outlet passage along the axial direction thereof, and one end of the water outlet water stop rod is movably connected to the sealing cover, and the other end of the water outlet water stop rod is provided a second plugging portion, the second plugging portion has a radial dimension larger than a radial dimension of the other end of the water outlet passage, and the second plugging portion is disengaged when the water outlet spout is squeezed The other end of the water passage is illustrated and the other end of the water outlet passage is closed when the water outlet stop is not squeezed by the travel.

According to an embodiment of the invention, the first occluding portion and the second occluding portion are respectively sleeved with a sealing ring.

According to an embodiment of the present invention, the cross sections of the other ends of the water inlet passage and the water outlet passage are formed substantially in a tapered shape in which the outward radial dimension is gradually reduced.

According to an embodiment of the present invention, the cartridge holder further includes: a first elastic member and a second elastic member, the first elastic member is disposed in the water inlet passage and stops at the first sealing Between the portion and the cover plate, the first elastic member is pressed when the water inlet stop rod is pressed, and the second elastic member is disposed in the water outlet passage and stops at the Between the second occluding portion and the sealing cover, the second elastic member is pressed when the water discharge stopper is pressed.

According to an embodiment of the invention, the first elastic member and the second elastic member are respectively springs.

According to an embodiment of the invention, the outer ends of the first occluding portion and the second occluding portion are respectively provided with a top column adapted to abut against the filter element.

According to an embodiment of the invention, the water inlet stop rod and the water outlet water stop rod are respectively integrally formed pieces.

A cartridge assembly according to an embodiment of the second aspect of the present invention includes a cartridge holder according to the above embodiment.

A water purifier according to an embodiment of the third aspect of the present invention includes the filter element assembly according to the above embodiment.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a cross-sectional view of a cartridge holder in accordance with an embodiment of the present invention;

2 is a top plan view of a filter cartridge holder in accordance with an embodiment of the present invention;

3 is a schematic structural view of a filter element assembly in accordance with an embodiment of the present invention.

Reference mark:

100: filter holder;

10: the docking body;

11: water inlet channel; 12: water outlet channel; 13: water inlet; 14: water outlet;

20: water inlet stop rod;

21: first blocking portion; 22: sealing ring; 23: first elastic member;

30: water outlet stop rod;

31: second blocking portion; 32: second elastic member; 33: top column;

40: cover the cover;

200: filter element assembly;

210: housing; 220: upper end cover; 230: lower end cover; 240: center tube; 250: support ribs.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

The filter cartridge holder 100 according to the embodiment of the first aspect of the present invention will be specifically described below with reference to FIGS. 1 through 3. The filter cartridge holder 100 is adapted to mount a filter cartridge and includes: a docking body 10, a water inlet stop rod 20 and a water outlet stop rod 30.

Specifically, the docking body 10 is provided with a water inlet passage 11 and a water outlet passage 12, and the water inlet water stop rod 20 is movably disposed in the water inlet passage 11, and the water inlet water stop rod 20 is configured to be a filter element (not It is shown that the water inlet passage 11 is opened during extrusion and the water inlet passage 11 is disconnected when the filter element is removed from the socket body 10, and the water outlet water stop rod 30 is movably disposed in the water outlet passage 12, and the water outlet rod The 30 is configured to conduct the water outlet passage 12 when squeezed by the filter element and to disconnect the water outlet passage 12 when the filter element is removed from the socket body 10.

In other words, the filter cartridge 100 is mainly composed of the socket body 10, the water inlet water stop rod 20 and the water outlet water stop rod 30. The socket body 10 is provided with a water inlet passage 11, a water outlet passage 12, a water inlet 13 and a water outlet 14 The water inlet passage 11 and the water outlet passage 12 extend through the socket body 10 substantially in the axial direction of the socket body 10, and the water inlet 13 and the water outlet 14 extend substantially in the radial direction of the socket body 10, and the water inlet 13 and the water outlet 14 The water inlet port 13 is in communication with the water inlet channel 11, and the water outlet port 14 is in communication with the water outlet channel 12. The water inlet channel 11 is provided with a water inlet stop rod 20, and the water outlet channel 12 is provided with a water outlet stop rod. 30, and the water inlet stop 20 and the water stop 30 are movably disposed in the water inlet passage 11 and the water outlet passage 12, respectively.

Further, the water inlet water stop rod 20 and the water outlet water stop rod 30 are respectively arranged to communicate with the water inlet passage 11 and the water outlet passage 12 when pressed by the filter element, respectively, when the filter element is not squeezed, that is, when the filter element is taken out , respectively blocking the water inlet channel 11 And the water outlet channel 12, that is, when the filter element and the socket body 10 are connected, the water inlet water stop rod 20 and the water outlet water stop rod 30 respectively open the water inlet passage 11 and the water outlet passage 12 under the action of the filter element, and the water inlet The passage 11 and the water outlet passage 12 are respectively communicated with the inner cavity of the filter element. When the filter element is separated from the socket body 10, the water inlet stop rod 20 and the water outlet stop rod 30 release the function of the filter element, respectively blocking the water inlet passage 11 and the water outlet passage. 12. Water cannot flow through the water inlet passage 11, and water cannot flow out from the water outlet passage 12.

Therefore, according to the filter cartridge holder 100 of the embodiment of the present invention, the water outlet stop rod 30 and the water inlet stop rod 20 are respectively disposed in the water inlet passage 11 and the water outlet passage 12 of the socket body 10, and the filter element is used to drive the water outlet. The water rod 30 and the water inlet water stop rod 20 are moved to achieve the purpose of respectively opening or blocking the water inlet passage 11 and the water outlet passage 12, and the water inlet passage 11 and the water outlet during the filter replacement process can be prevented under the premise that the water passage of the filter element is smooth. The leakage of water in the channel 12 not only saves water resources, but also facilitates the replacement and maintenance of the filter element. Compared with the filter element socket in the related art, the replacement process of the filter element is simplified, and the replacement of the filter element is reduced.

The filter cartridge holder 100 further includes: a sealing cover 40 disposed on the socket body 10 and located at one end of the water inlet passage 11 and the water outlet passage 12, the water inlet water stop rod 20 and the water outlet water stop rod 30 They are respectively movably disposed on the cover plate 40.

Specifically, as shown in FIG. 1 , the top of the filter cartridge 100 is provided with a sealing cover 40 , and the sealing cover 40 is detachably connected with the socket body 10 to close the upper end opening of the socket body 10 , wherein the sealing cover 40 The water inlet positioning hole and the water outlet positioning hole are respectively arranged, and the water inlet water stop rod 20 and the water outlet water stop rod 30 are respectively disposed in the water inlet positioning hole and the water outlet positioning hole, and the water inlet water stop rod 20 and the water outlet water stop rod 30 They are arranged coaxially with the inlet positioning hole and the outlet positioning hole, respectively, and are movable along respective axial directions.

When the filter element is connected to the socket body 10 or the filter element is taken out from the socket body 10, the water inlet water stop rod 20 moves in the water inlet passage 11, and the water inlet water stop rod 20 is always matched with the water inlet positioning hole, and the water is discharged. The water stop rod 30 moves in the water outlet passage 12, and the water outlet water stop rod 30 always cooperates with the water outlet positioning hole, which defines the movement path of the water inlet water stop rod 20 and the water outlet water stop rod 30, and ensures the normal function of the filter core socket 100. .

Thus, by providing the cover plate 40 at the top of the filter cartridge holder 100, the cover plate 40 defines the movable periphery of the inlet water stop rod 20 and the water outlet stop rod 30, which not only ensures the normality of the filter element and the filter cartridge holder 100. The connection can also prevent the excessive use of the inlet water stop rod 20 and the water outlet stop 30 to affect the normal use of the filter element. Further, the detachable sealing cover 40 is the inlet water stop rod 20 and the water outlet rod. The disassembly and assembly of 30 provides convenience, and the water inlet water stop 20 and the water discharge water stop 30 are installed or removed by removing the sealing cover 40 without affecting the structural integrity and stability of the socket body 10.

Advantageously, the inlet water stop rod 20 is movably disposed in the inlet passage 11 along its axial direction, one end of the inlet water stop rod 20 is movably connected to the closure flap 40, and the inlet water stop rod 20 is additionally One end is provided with a first plugging portion 21, the radial dimension of the first plugging portion 21 is larger than the radial dimension of the other end of the water inlet passage 11, and the first plugging portion 21 is when the water inlet stop rod 20 is squeezed. The other end of the water inlet passage 11 is closed and the other end of the water inlet passage 11 is closed when the water inlet stop rod 20 is not pressed by the filter element.

Referring to FIG. 1, the water inlet stop 20 extends in the axial direction of the water inlet passage 11 and is movably disposed in the water inlet passage 11 The upper end of the water inlet stop 20 is movably connected to the sealing cover 40. The lower end of the inlet water stop 20 is provided with a first sealing portion 21, and the radial dimension of the first sealing portion 21 is proportional to The inner diameter of the lower end of the water passage 11 is large.

Before the filter cartridge 100 and the filter cartridge are assembled, the first plugging portion 21 is connected to the lower end of the inner wall surface of the water inlet passage 11 and blocks the water inlet passage 11. When the filter cartridge is connected with the filter cartridge holder 100, the filter cartridge is squeezed into the filter cartridge. The water stop rod 20, the first plugging portion 21 is separated from the lower end of the inner wall surface of the water inlet passage 11, and the water inlet passage 11 communicates with the filter element. When the filter element is separated from the filter cartridge holder 100, the inlet water stop rod 20 is not subjected to the filter element. The squeezing action restores the first occluding portion 21 to the initial position, that is, the lower end of the inner wall surface of the water inlet passage 11 is blocked and the water inlet passage 11 is blocked.

Therefore, the water inlet and the water stop rod 20 can control the communication and interruption of the water inlet passage 11 according to the connection relationship between the filter element and the filter element socket 100, and can not only ensure the normal conduction of the water path between the filter element and the filter element socket 100, but also The leakage of water in the water inlet passage 11 is prevented when the filter element and the filter element socket 100 are separated, which not only saves water resources but also facilitates the replacement of the filter element, and has a simple structure and is easy to implement.

Correspondingly, the water outlet water stop rod 30 is movably disposed in the water outlet passage 12 along the axial direction thereof, and one end of the water outlet water stop rod 30 is movably connected to the sealing cover 40, and the other end of the water outlet water stop rod 30 is provided with The second blocking portion 31 has a radial dimension larger than the radial dimension of the other end of the water outlet passage 12, and the second blocking portion 31 is separated from the water outlet passage 12 when the water outlet stop 30 is squeezed. The other end of the water outlet passage 12 is closed at one end and when the water outlet stop 30 is not squeezed by travel.

Specifically, as shown in FIG. 1 , the water outlet water stop rod 30 extends along the axial direction of the water outlet passage 12 and is movably disposed in the water outlet passage 12 , and the upper end of the water outlet water stop rod 30 is movably connected to the sealing cover 40 . The lower end of the water outlet stop 30 is provided with a second sealing portion 31, and the radial dimension of the second sealing portion 31 is larger than the inner diameter of the lower end of the water outlet channel 12.

Before the filter cartridge 100 and the filter cartridge are assembled, the second plugging portion 31 is connected to the lower end of the inner wall surface of the water outlet passage 12, and blocks the water outlet passage 12. When the filter cartridge is connected with the filter cartridge socket 100, the filter cartridge squeezes out the water to stop the water. The rod 30, the second plugging portion 31 is separated from the lower end of the inner wall surface of the water outlet passage 12, and the water outlet passage 12 communicates with the filter element. When the filter element and the filter cartridge holder 100 are separated, the water outlet stop rod 30 is not pressed by the filter element. The second blocking portion 31 is restored to the initial position, that is, the lower end of the inner wall surface of the outlet water passage 12 is stopped and the water outlet passage 12 is blocked.

Therefore, the water outlet water stop 30 can control the communication and interruption of the water outlet passage 12 according to the connection relationship between the filter element and the filter cartridge socket 100, and can not only ensure the normal conduction of the water passage between the filter element and the filter cartridge socket 100, but also prevent the filter cartridge from being When the filter cartridge 100 is disengaged, the water flow in the water outlet channel 12 not only saves water resources but also provides convenience for the replacement of the filter element, and the structure is simple and easy to implement.

Advantageously, the first occluding portion 21 and the second occluding portion 31 are respectively sleeved with a sealing ring 22 . Specifically, as shown in FIG. 1 , a sealing ring 22 is disposed between the first blocking portion 21 and the inner wall surface of the water inlet passage 11 and between the second sealing portion 31 and the inner wall surface of the water outlet passage 12 , and the sealing ring 22 is provided. The first sealing portion 21 and the second sealing portion 31 are respectively sleeved, and the inner side of the sealing ring 22 is connected to the outer wall surface of the first sealing portion 21 or the second sealing portion 31, and the outer side of the sealing ring 22 is It is connected to the inner surface of the water inlet passage 11 or the water outlet passage 12.

Before the filter cartridge 100 is assembled with the filter cartridge, the first plugging portion 21 is connected to the lower end of the inner wall surface of the water inlet passage 11 and is sealed by the seal ring on the first plugging portion 21 and the inner wall surface of the water inlet passage 11. Connecting to block the water inlet passage 11 , the second sealing portion 31 is connected to the lower end of the inner wall surface of the water outlet passage 12 and is connected to the inner wall surface of the water outlet passage 12 through the sealing ring on the second sealing portion 31 . The water outlet passage 12 is blocked; when the filter element is connected to the filter core holder 100, the filter element is pressed into the water stop rod 20, and the first plugging portion 21 is separated from the lower end of the inner wall surface of the water inlet passage 11, the water inlet passage 11 and the filter element At the same time, the filter element squeezes out the water stop rod 30, the second plugging portion 31 is separated from the lower end of the inner wall surface of the water outlet passage 12, and the water outlet passage 12 communicates with the filter element; when the filter element is separated from the filter element holder 100, the water inlet and the water stop are stopped. The rod 20 and the water outlet stop rod 30 are not pressed by the filter element, and the first plugging portion 21 and the second plugging portion 31 are restored to the initial positions, respectively, to block the water inlet passage 11 and the water outlet passage 12.

By providing the seal ring 22 on the first plugging portion 21 and the second plugging portion 31, the connection between the first plugging portion 21 and the second plugging portion 31 and the water inlet passage 11 and the water outlet passage 12 can be increased. The water is prevented from seeping out of the water inlet passage 11 and the water outlet passage 12.

Alternatively, the cross sections of the other ends of the water inlet passage 11 and the water outlet passage 12 are formed substantially in a tapered shape in which the outward radial dimension is gradually reduced.

Referring to Figure 1, the inner diameter of the lower end of the water inlet passage 11 and the water outlet passage 12 gradually decreases from the top to the bottom, and generally forms an inverted truncated cone structure, and the cross-sectional area of the lower end of the inlet passage 11 and the outlet passage 12 is inverted. Correspondingly, the first blocking portion 21 and the second blocking portion 31 respectively form a structure corresponding to the shape of the water inlet passage 11 and the water outlet passage 12, wherein the first blocking portion 21 and the second blocking portion 31 are respectively formed. The outer wall faces are respectively provided with annular grooves for accommodating the sealing ring 22 to ensure the positioning and mounting of the sealing ring 22, so as to prevent the water inlet stop rod 20 and the water outlet stop rod 30 from being detached when the water inlet and the water stopping rod 30 are in motion.

The radial dimension of the lower end of the inner wall surface of the inlet passage 11 and the outlet passage 12 is gradually reduced, and the inlet water stop rod 20 and the outlet water stop rod 30 are moved in the axial direction, with the inlet water stop rod 20 and the water outlet. The descending of the water rod 30 and the inner wall surface of the water inlet passage 11 and the water outlet passage 12 are connected to each other, which facilitates the sealing of the inlet water stop rod 20 and the water outlet water stop rod 30 to the water inlet passage 11 and the water outlet passage 12, and is optimized. The structural design of the water inlet passage 11 and the water outlet passage 12 can effectively limit the downward movement range of the inlet water stop rod 20 and the water outlet water stop rod 30.

Advantageously, the cartridge holder 100 further includes a first elastic member 23 and a second elastic member 32. The first elastic member 23 is disposed in the water inlet passage 11 and stops at the first sealing portion 21 and the sealing cover 40. The first elastic member 23 is pressed when the water inlet and the water stopping rod 20 are pressed, and the second elastic member 32 is disposed in the water outlet passage 12 and is stopped between the second sealing portion 31 and the sealing cover 40. The second elastic member 32 is pressed when the water discharge stopper 30 is pressed.

That is, the first elastic member 23 and the second elastic member 32 are respectively disposed in the water inlet passage 11 and the water outlet passage 12, and the first elastic member 23 is disposed on the inlet water stop rod 20 and located at the first sealing portion 21 Between the cover plate 40 and the cover plate 40, the second elastic member 32 is disposed on the water outlet stop 30 and located between the second sealing portion 31 and the sealing cover 40, when the water inlet rod 20 and the water outlet stop When the rod 30 is pressed, the first sealing portion 21 and the second sealing portion 31 compress the first elastic member 23 and the second elastic member 32, and when the filter element is separated from the filter cartridge holder 100, the water inlet rod 20 is not pressed. When the water stop rod 30 is discharged, the first elastic member 23 is extended and pressed to the first blocking portion 21 to stop at the lower end of the inner wall surface of the water inlet passage 11, and the second elastic member 32 is extended to press the second sealing portion 31. It is at the lower end of the inner wall surface of the water outlet passage 12.

Thereby, the first elastic member 23 and the second elastic member 32 can respectively power the activities of the water inlet water stop rod 20 and the water outlet water stop rod 30, that is, respectively, by the first elastic member 23 and the second elastic member 32. The first plug portion 21 and the second plug portion 31 prevent the water flow in the water inlet passage 11 and the water outlet passage 12 from passing through the first plugging portion 21 and the second plugging portion 31 and the water inlet passage 11 and the water outlet passage 12 The gap between the inner wall surfaces leaks, which improves the airtightness of the water inlet passage 11 and the water outlet passage 12.

Preferably, the first elastic member 23 and the second elastic member 32 are springs, respectively.

That is, the inlet water stop rod 20 is sleeved with a first spring and the spring is located between the first sealing portion 21 and the sealing cover 40, and the top of the first spring abuts against the sealing cover 40, and the water is discharged. The water stop rod 30 is sleeved with a second spring and the spring is located between the second sealing portion 31 and the sealing cover 40, and the top of the second spring abuts against the sealing cover 40.

The first elastic member 23 and the second elastic member 32 are springs, have a simple structure, are easily available, and can be separated from the water inlet rod 20 and the sealing cover 40, and between the water discharge sealing and the sealing cover 40. The distance of the spring is selected, the selectivity is more, and the production cost is lower, which improves the assembly efficiency of the filter cartridge 100.

Optionally, the outer ends of the first occluding portion 21 and the second occluding portion 31 are respectively provided with a top pillar 33 adapted to stop against the filter element.

As shown in FIG. 1, the bottom of the first occluding portion 21 (the lower end shown in FIG. 1) is provided with a top post 33 extending along the axial direction of the first occluding portion 21 and holding the filter element, similarly The bottom of the second occluding portion 31 (the lower end as shown in FIG. 1) is also provided with a top post 33 which is placed against the top of the filter element (upper end as shown in FIG. 1). By providing the top pillar 33 with the top of the filter element at the bottom of the first plugging portion 21 and the second plugging portion 31, the filter element is driven to drive the water inlet stop rod 20 and the water outlet stop rod 30 to prevent the filter element from contacting. The water inlet stop 20 or the water stop 30 causes the water inlet passage 11 or the water outlet passage 12 to be unobstructed, ensuring normal communication between the filter element and the filter cartridge holder 100.

Preferably, the water inlet water stop rod 20 and the water outlet water stop rod 30 are respectively integrally formed pieces, that is, the water inlet water stop rod 20, the first sealing portion 21 and the top column 33 are a unitary structure, and the water inlet is stopped. The water rod 20 can be injection molded at one time in production, whereby the integrally formed structure can not only ensure the structural stability of the water inlet water stop rod 20, but also facilitate molding, and the manufacturing process is simple, saving the first plugging portion 21 and the top. The connection process of the column 33 greatly reduces the production cost of the water inlet stop rod 20, wherein the water outlet stop rod 30 is similar to the inlet water stop rod 20, thereby improving the inlet water stop rod 20 and the water outlet stop rod The overall strength and stability of 30 improves the assembly efficiency of the filter cartridge 100 and prolongs the service life of the cartridge holder 100.

A filter cartridge assembly 200 in accordance with an embodiment of the second aspect of the present invention will now be described in detail with reference to FIG.

The filter element assembly according to the embodiment of the present invention includes a housing 210, an upper end cover 220, a lower end cover 230, a center tube 240, and a filter cartridge holder 100. The housing 210 is substantially formed in a column shape, and the filter cartridge holder 100 is detachably coupled to the housing 210. the top of, The housing 210 defines a receiving cavity. The receiving cavity is provided with a central tube 240 disposed coaxially with the housing 210. The central tube 240 is sleeved with an upper end cover 220. The bottom of the central tube 240 is provided with a lower end cover 230 and an upper end cover. An activated carbon is disposed between the 220 and the lower end cover 230. The water flows from the water inlet passage 11 into the accommodating chamber, passes through the center tube to the water outlet passage 12 through the filtering action of the activated carbon, and the bottom portion of the lower end cover 230 (as shown in the lower part of FIG. 3) There is a support rib 250, and the support rib 250 forms a lumen of the water flow passage accommodating chamber and the center tube 240, thereby facilitating smooth outflow of the clean water flow from the center tube 240.

The filter cartridge assembly 100 according to the embodiment of the present invention has the above technical effects. Therefore, the cartridge assembly according to the embodiment of the present application also has the above technical effects, that is, the filter cartridge assembly has a simple and compact structure, and the core changing process is convenient to operate and has a sealing property. it is good.

Specifically, by providing the water outlet water stop 30 and the water inlet water stop rod 20 in the water inlet passage 11 and the water outlet passage 12 of the socket body 10, the water outlet water stop rod 30 and the water inlet water stop rod 20 are driven by the filter element to The purpose of turning on or blocking the water inlet passage 11 and the water outlet passage 12 can prevent leakage of water in the water inlet passage 11 and the water outlet passage 12 during the replacement of the filter element, thereby ensuring water resources, while ensuring the smooth flow of the filter element. It also provides convenience for the replacement and maintenance of the filter element. Compared with the filter element socket in the related art, the replacement process of the filter element is simplified, and the replacement of the filter element is reduced.

Furthermore, by arranging a spring on the water inlet water stop rod 20 and the water outlet water stop rod 30, and sealing the sealing ring 22 on the first sealing portion 21 and the second sealing portion 31, the filter element assembly is further improved. The airtightness prevents water leakage during the filter replacement process, and the structure is simple, the connection of each component is reliable, the production cost is low, and the operation experience of the user is improved.

A water purifier (not shown) according to an embodiment of the third aspect of the present invention will be specifically described below.

A water purifier according to an embodiment of the present invention includes a body (not shown), a water inlet pipe (not shown), an outlet pipe (not shown), a waterway plate (not shown), and a filter element assembly defining a mounting cavity in the body. (not shown), the installation cavity is provided with a filter element assembly and a waterway plate, and the filter element assembly communicates the inlet pipe and the outlet pipe through the waterway plate, and the inlet pipe and the outlet pipe are respectively disposed on the side wall surface of the body.

The water flows through the inlet pipe into the water inlet machine, enters the filter element assembly through the waterway plate, the water circulation filter core socket 100 enters the filter element, and then the activated carbon in the filter element filters the water flow, and the water flow in the activated carbon passes through the non-woven fabric on the lower end cover. The cloth enters the center tube, and the water in the center tube flows out of the filter holder 100, and then enters the outlet pipe through the water channel, and the water flowing out through the outlet pipe is a filtered clean water stream.

Since the filter element assembly according to the embodiment of the present invention has the above technical effects, the water purifier according to the embodiment of the present application also has the above technical effects, that is, the water purifier has a simple and compact structure, and the components are connected reliably, and the assembly and disassembly are convenient. The sealing performance is good, the water leakage problem does not occur, the operation when replacing the filter element is convenient, and the user experience is good.

Other configurations and operations of the cartridge assembly, water purifier, and other operations in accordance with embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", The orientation or positional relationship of the "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and the simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is understood that the foregoing embodiments are illustrative and not restrictive Variations, modifications, alterations and variations of the above-described embodiments are possible within the scope of the invention.

Claims (11)

A filter cartridge socket adapted to be mounted with a filter cartridge, characterized by comprising: a socket body, wherein the socket body is provided with a water inlet channel and a water outlet channel; a water inlet stop rod, the inlet water stop rod being movably disposed in the water inlet passage, the water inlet water stop rod being configured to conduct the water inlet passage when being pressed by the filter element and Disconnecting the water inlet passage when the filter element is removed from the socket body; a water outlet stop rod, the outlet water stop rod being movably disposed in the water outlet passage, the water outlet water stop rod being configured to conduct the water outlet passage when pressed by the filter element and at the filter element The water outlet channel is disconnected when the socket body is removed. The filter cartridge socket according to claim 1, further comprising: a sealing cover plate disposed on the socket body and located at one end of the water inlet channel and the water outlet channel, The water inlet stop rod and the water outlet stop rod are respectively movably disposed on the sealing cover. The cartridge holder according to claim 2, wherein said inlet water stop rod is movably disposed in said water inlet passage along an axial direction thereof, said one end of said inlet water stop rod being said The cover plate is movably connected, and the other end of the water inlet stop rod is provided with a first clogging portion, and the radial dimension of the first clogging portion is larger than the radial dimension of the other end of the water inlet channel The first occlusion portion is detached from the other end of the water inlet passage when the water inlet water stop rod is squeezed, and closes the inlet when the water inlet water stop rod is not squeezed by the filter element The other end of the water channel; The water outlet water stop rod is movably disposed in the water outlet passage along an axial direction thereof, and one end of the water outlet water stop rod is movably connected to the sealing cover plate, and the other end of the water outlet water stop rod is provided Having a second occluding portion, a radial dimension of the second occluding portion being greater than a radial dimension of the other end of the water outlet passage, the second occluding portion being detached when the effluent water stop rod is squeezed The other end of the outlet passage and closing the other end of the outlet passage when the outlet spout is not squeezed by the travel. The cartridge holder according to claim 3, wherein the first plugging portion and the second plugging portion are respectively sleeved with a sealing ring. The cartridge holder according to claim 4, wherein a cross section of the other end of the water inlet passage and the water outlet passage is formed substantially in a tapered shape in which an outward radial dimension is gradually reduced. The filter cartridge socket according to any one of claims 3 to 5, further comprising: a first elastic member disposed in the water inlet passage and stopping between the first sealing portion and the sealing cover, the first elastic member being in the water inlet The water stop rod is pressed when squeezed; a second elastic member disposed in the water outlet passage and stopping between the second sealing portion and the sealing cover, wherein the second elastic member stops the water in the water outlet The rod is pressed when it is squeezed. The filter cartridge holder according to claim 6, wherein the first elastic member and the second elastic member are springs, respectively. The filter cartridge socket according to any one of claims 3-7, wherein the outer ends of the first occluding portion and the second occluding portion are respectively provided to be suitable for stopping against the filter element. Top column. The filter cartridge socket according to any one of claims 3 to 7, wherein the water inlet stop rod and the water outlet water stop rod are respectively integrally formed pieces. A cartridge assembly comprising the cartridge holder of any of claims 1-9. A water purifier characterized by comprising the filter element assembly of claim 10.

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