TWI465370B - Nozzle opening and closing device - Google Patents

Description

Nozzle opening and closing device

The invention relates to a nozzle opening and closing device, in particular to a nozzle device capable of opening or closing a liquid outlet.

There are many kinds of bottles for people to hold liquids in their daily life, such as: lotion bottles, lotion bottles, body cleaning products bottles, etc., and use a pressing head that is separated from the bottle body to be bolted on it, so that the user can borrow Pressing the nozzle to extract the liquid in the bottle, however, the open outlet design will cause the liquid to contact with the air, and the liquid will deteriorate or dry out, and even the external bacteria will invade through the liquid outlet, resulting in the liquid being difficult to store.

Therefore, it is the problem that manufacturers are trying to solve.

The present invention mainly provides a nozzle opening and closing device, comprising: a housing having a receiving space, a first joint portion and a clamping portion; a pressing cover coupled with the housing, the pressing cover having a second joint portion, a cylinder and a driving portion, the second joint portion is combined with the first joint portion, the clamping portion is for clamping the cylinder; a nozzle head has a liquid outlet; and a plug valve member has a linkage portion a plug portion and an abutting portion, the linking portion is connected to the plug portion and the abutting portion, and the linking portion has a slope extending in an X-axis direction and a top abutting surface, the plug portion having a plurality of ribs and a plug a reset member and a plug valve member are disposed in the accommodating space in the X-axis direction and abut against the abutting portion; accordingly, the driving portion is reciprocally abutted against the inclined surface and the abutting surface in a Y-axis direction, And the plug is X The shaft direction reciprocally opens and closes the liquid outlet.

Therefore, the nozzle opening and closing device provided by the present invention is reciprocally abutted against the inclined surface and the abutting surface of the plug valve member by a driving portion of the gland in a Y-axis direction, and the plug device of the plug valve member is blocked. The department can reciprocally open and close the liquid outlet in the X-axis direction. According to this, it is possible to isolate the contact of the external environment with the liquid, to avoid deterioration or contamination of the liquid, and also to reduce the dryness caused by the contact of the liquid with the air.

Furthermore, the nozzle opening and closing device according to the present invention can reciprocally open and close the liquid outlet by the plug portion of the plug valve member, and has better cutting property for a liquid having higher viscosity. .

Furthermore, the nozzle opening and closing device of the present invention can have a plurality of protrusions on the surface of the cylinder, thereby not only providing a better sealing effect with the clamping portion, preventing liquid overflow, but also clamping. The holding portion has a frictional force for buffering the resetting force of the reset member to prevent the gland from coming off the housing.

Furthermore, the nozzle opening and closing device of the present invention has a conical mouth portion extending from the nozzle head to the liquid outlet, and the general configuration thereof can correspond to the plug portion of the plug valve member, thereby The sliding of the guiding plug to the liquid outlet can also improve the efficiency of opening or closing the liquid outlet.

Since the present invention discloses a nozzle opening and closing device, the related functions and principles of the cylinder and the piston for drawing liquid are well known to those skilled in the art, and therefore, the description below will not be completely described. At the same time, the drawings in the following texts express the structural schematics related to the features of the present invention, and do not need to be completely drawn according to the actual size, which is described first.

Please refer to FIGS. 1A and 1B , which are schematic and sectional views of a nozzle opening and closing device 100 according to a preferred embodiment of the present invention. The nozzle opening and closing device 100 includes a casing 1 and a gland 2 . A nozzle head 3, a plug valve member 4 and a reset member 5.

The housing 1 has an accommodating space 13 , a first joint portion 11 and a clamping portion 12 . The gland 2 is combined with the housing 1 , and the gland 2 has a second joint portion 21 , a cylinder 22 , a driving portion 23 , and a pressing portion 25, the pressing cover 2 is coupled to the first joint portion 11 of the casing 1 by the second joint portion 21, and the clamping portion 12 of the casing 1 is used for clamping the cylinder 22 of the gland 2, Thus, the cylinder 22 is reciprocally movable in the Y-axis direction at the nip portion 12.

The nozzle head 3 has a liquid outlet 31. The plug valve member 4 has a linking portion 41, a plug portion 42 and an abutting portion 43. The linking portion 41 connects the plug portion 42 and the abutting portion 43, and the linking portion 41 has A slope 411 and a top abutment surface 412 extend in an X-axis direction, and the plug portion 42 has a plurality of ribs 421 and a plug portion 422. The reset member 5 and the plug valve member 4 are disposed in the accommodating space 13 of the housing 1 in the X-axis direction, and one end of the reset member 5 abuts against the abutting portion 43.

2A and 2B are schematic views showing a cross-sectional operation of a nozzle opening and closing device 100 according to the present invention, and see FIGS. 1A and 1B, wherein the housing 1 includes a third joint portion 14 and a sucking portion. The components 6 are combined, whereby the liquid taken out by the sucking unit 6 flows out through the liquid outlet 31. In this embodiment, the second joint portion 21 of the gland 2 and the column 22 are connected by an elastic portion 24, and the elastic portion 24 is elastic and retractable, according to which, when the gland 2 is pressed The pressing portion 25 applies a pressure to move the column 22 in the Y-axis direction, and the driving portion 23 originally abuts against the inclined surface 411 of the linking portion 41, and the inclined portion 411 extends in the X-axis direction, and the clamping portion of the housing 1 The restriction cylinder 22 and the drive unit 23 are movable only in the Y-axis direction, and thus the plug valve member 4 is driven to move toward the reset member 5 in the X-axis direction until the drive portion 23 abuts against the abutment surface 412 of the interlocking portion 41. As shown in FIG. 2B, the plug portion 422 which is originally blocked from the liquid outlet 31 is retracted, and the liquid is output to the liquid outlet 31 via the siphon effect of the sucking unit 6, as shown in FIG. 2A. .

When the pressing of the pressing portion 25 is stopped, the resetting member 5 has a restoring power, and in this embodiment, the restoring member 5 can be biased by the spring against the abutting portion 43 of the plug valve member 4 by using a spring. A resetting force is applied to cause the plug valve member 4 to move toward the liquid outlet 31 in the X-axis direction, so that the plug portion 422 is again blocked from the liquid outlet 31.

Accordingly, in the nozzle opening and closing device 100 of the present invention, the driving portion 23 of the gland 2 can reciprocally abut against the inclined surface 411 and the abutting surface 412 of the plug valve member 4 in a Y-axis direction, and the plug valve The plug portion 422 of the member 4 reciprocally opens and closes the liquid outlet 31 in the X-axis direction. According to this, it can be isolated The external environment is in contact with liquids to avoid deterioration or contamination of the liquid, and also to reduce the drying phenomenon caused by the contact of the liquid with the air. At the same time, the liquid discharge port 31 can be reciprocally opened and closed by the plug portion 422 of the plug valve member 4, and the liquid having a high viscosity is also preferably cut.

It should be particularly noted that the first joint portion 11 of the casing 1 and the second joint portion 21 of the gland 2 may be in a fixed or movable manner. In this embodiment, the first joint portion 11 is The claw portion 111 fixes the second joint portion 21, and the elastic portion 24 has an elastic and retractable material. When the pressing portion 25 of the cap 2 is pressed, the elastic portion 24 is stretched. When the pressing of the pressing portion 25 is stopped, the elastic portion 24 is restored by itself to reset the column 22, or the driving portion 23 can be pushed back by the resetting force of the reset member 5 and the column 22 can be reset.

In addition, please refer to the figures 3A and 3B. In another embodiment, the first joint portion 11 of the casing 1 and the second joint portion 21 of the gland 2 are in a movable manner, and The second joint portion 21 is reciprocally movable in a defined region of the first joint portion 11 along the Y-axis direction. When the pressure on the pressing portion 25 of the cap 2 is applied, the second joint portion 21 of the cap 2 is in the Y-axis. The direction moves toward the defined area of the first joint portion 11, as shown in Fig. 3B. When the pressing of the pressing portion 25 is stopped, the plug valve member 4 is moved to the liquid outlet 31 in the X-axis direction by the resetting force of the reset member 5, so that the inclined surface 411 pushes the driving portion 23 back and the column 22 is pushed back. Reset, see Figure 3A.

Referring to FIG. 4A and FIG. 4B again, in another embodiment, the first joint portion 11 of the casing 1 and the second joint portion 21 of the gland 2 are also in a movable manner, and the second joint portion 21 is Then, the second joint portion 21 and the column 22 of the gland 2 are made of a general plastic material. When a pressure is applied to the pressing portion 25 of the cap 2, the second joint portion 21 of the cap 2 moves in a Y-axis direction toward a defined region of the first joint portion 11, as shown in Fig. 4B. When the pressing of the pressing portion 25 is stopped, the plug valve member 4 is moved to the liquid outlet 31 in the X-axis direction by the resetting force of the reset member 5, so that the inclined surface 411 pushes the driving portion 23 back and the column 22 is pushed back. Reset, see Figure 4A.

In addition, the surface of the cylinder 22 may have a plurality of protrusions 221, thereby not only providing a better sealing effect with the clamping portion 12, preventing liquid from overflowing, but also having a frictional force with the clamping portion 12. It is used to buffer the reset power of the reset member 5 to prevent the gland 2 from coming off the casing 1.

In addition, referring to FIGS. 1A and 1B and FIGS. 4A and 4B, the nozzle head 3 can further have a conical mouth portion 32 extending to the liquid outlet 31, which is substantially configured to be in contact with the plug valve member 4. The plug portion 422 corresponds to each other, whereby the plug portion 422 can be guided to slide to the liquid outlet 31, and the efficiency of opening or closing the liquid outlet 31 can be improved. In addition, the nozzle head 3 can further include a limiting portion 33 for limiting the displacement direction of the plug portion 42. In this embodiment, the plug portion 42 is a cylinder, and the protruding ribs 421 are equidistantly arranged and The X-axis direction extends over the surface of the cylinder, whereby the rib 421 abuts against the stopper portion 33 of the nozzle head 3.

In addition, the surface of the driving portion 23 may be a curved line or a straight line, or both of them, and the inclined surface 411 of the linking portion 41 may be a straight line or a curved line. Please refer to FIG. 5A, in this embodiment, the driving The surface of the portion 23 is formed in a polygonal shape by a plurality of straight lines, and the inclined surface 411 is formed by a curved line. Alternatively, as shown in Fig. 5B, in another embodiment, the surface of the driving portion 23 is formed by a straight line and a curved line, and the inclined surface 411 is formed by a straight line.

In addition, the nozzle opening and closing device 100 of the present invention, wherein the reset member 5 can be combined with the abutting portion 43 of the plug valve member 4, and the manner of joining thereof is not limited, for example, the reset member 5 is directly disposed at the abutting The portion 43 may be formed by directly forming it in one piece. Accordingly, the plug valve member 4 is disposed in the accommodating space 13 in the X-axis direction. Referring to FIGS. 6A to 6E, the reset member 5 may be in a symmetrical or asymmetrical configuration with the abutting portion of the plug valve member 4, respectively. By the combination of the restoring power of the restoring member 5, the abutting portion 43 can be directly biased to reciprocally open and close the liquid discharge port 31 in the X-axis direction. The above description is only the preferred embodiment of the present invention, and is not intended to limit the patent application rights of the present invention. The above description should be understood and implemented by those skilled in the art, so that the other embodiments are not deviated from the present invention. Equivalent changes or modifications made in the spirit of the disclosure should be included in the scope of the patent application.

100‧‧‧Nozzle opening and closing device

1‧‧‧shell

11‧‧‧ First Joint Department

111‧‧‧ claws

12‧‧‧Clamping Department

13‧‧‧ accommodating space

14‧‧‧ Third Joint Department

2‧‧‧Gland

21‧‧‧ Second Joint Department

211‧‧‧ claws

22‧‧‧Cylinder

221‧‧‧ bumps

23‧‧‧ Drive Department

25‧‧‧ Pressing Department

24‧‧‧Flexible Department

3‧‧‧Nozzle head

31‧‧‧liquid outlet

32‧‧‧ mouth

33‧‧‧Limited

4‧‧‧ plug valve

41‧‧‧ linkage department

411‧‧‧Bevel

412‧‧‧The top face

42‧‧‧ Plugging Department

421‧‧‧ ribs

422‧‧‧ Plugging Department

43‧‧‧Resistance

5‧‧‧Reset parts

6‧‧‧Sucking components

X, Y‧‧‧ axis direction

1A and 1B are diagrams showing a nozzle opening and closing device according to a preferred embodiment of the present invention. Solution and cross-section diagram.

2A and 2B are schematic views showing a cross-sectional operation of a nozzle opening and closing device according to a preferred embodiment of the present invention.

3A and 3B are schematic views showing a cross-sectional operation of a nozzle opening and closing device according to a preferred embodiment of the present invention.

4A and 4B are schematic views showing a cross-sectional operation of a nozzle opening and closing device according to a preferred embodiment of the present invention.

5A and 5B are schematic cross-sectional views showing a gland and a plug valve member in a nozzle opening and closing device according to a preferred embodiment of the present invention.

6A to 6E are views showing an implementation state of a reset member and a plug valve member in a nozzle opening and closing device according to another preferred embodiment of the present invention.

100‧‧‧Nozzle opening and closing device

1‧‧‧shell

2‧‧‧Gland

21‧‧‧ Second Joint Department

22‧‧‧Cylinder

23‧‧‧ Drive Department

25‧‧‧ Pressing Department

3‧‧‧Nozzle head

31‧‧‧liquid outlet

32‧‧‧ mouth

4‧‧‧ plug valve

41‧‧‧ linkage department

411‧‧‧Bevel

412‧‧‧The top face

42‧‧‧ Plugging Department

421‧‧‧ ribs

422‧‧‧ Plugging Department

43‧‧‧Resistance

5‧‧‧Reset parts

X, Y‧‧‧ axis direction

Claims (14)

A nozzle opening and closing device comprises: a housing having an accommodating space, a first joint portion and a clamping portion; a pressing cover coupled with the shell, the pressure cap having a second joint portion and a column a body and a driving portion, the second joint portion is combined with the first joint portion, the clamping portion is for clamping the column; a nozzle head having a liquid outlet; and a plug valve member having a a linking portion, a plug portion and an abutting portion, the linking portion connecting the plug portion and the abutting portion, and the linking portion has a slope extending in an X-axis direction and a top abutting surface, the plug portion having a plurality of a rib and a plug portion; a reset member and the plug valve member are disposed in the accommodating space in the X-axis direction and abut against the abutting portion; accordingly, the driving portion is in a Y-axis direction Reciprocatingly abutting against the inclined surface and the abutting surface, and the plugging portion reciprocally opens and closes the liquid outlet in the X-axis direction. The nozzle opening and closing device of claim 1, wherein the nozzle head has a conical mouth. The nozzle opening and closing device of claim 1, wherein the nozzle head includes a limiting portion for limiting a displacement direction of the plug portion. The nozzle opening and closing device of claim 1, wherein the second joint is connected to the column system by a resilient portion. The nozzle opening and closing device according to claim 1, wherein the plug portion is a cylinder, and the ribs are equidistantly arranged and extend in a surface of the cylinder in the X-axis direction. The nozzle opening and closing device of claim 1, wherein the surface of the driving portion can be a curved line or a straight line. The nozzle opening and closing device of claim 1, wherein the inclined surface can be a straight line or a curve. The nozzle opening and closing device of claim 1, wherein the first joint portion and the first portion The two joints can be in a fixed combination. The nozzle opening and closing device of claim 1, wherein the first joint portion and the second joint portion are in a movable manner, and the second joint portion is reciprocable along the Y-axis direction. mobile. The nozzle opening and closing device of claim 1, wherein the surface of the cylinder has a plurality of protrusions. The nozzle opening and closing device of claim 1, wherein the reset member has a resetting power. The nozzle opening and closing device of claim 11, wherein the reset member is coupled to the abutting portion. The nozzle opening and closing device of claim 12, wherein the reset member is in a symmetrical or asymmetrical configuration. The nozzle opening and closing device of claim 1, wherein the housing comprises a third joint combined with a sucking assembly.