CN112922851A

CN112922851A - Submersible pump

Info

Publication number: CN112922851A
Application number: CN202110157588.1A
Authority: CN
Inventors: 谢志飞
Original assignee: Individual
Current assignee: Zhejiang Fengyuan Pump Industry Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-08
Anticipated expiration: 2041-02-05
Also published as: CN112922851B

Abstract

The invention discloses a submersible pump, which comprises a pump body, wherein a water inlet is formed at the lower end of the pump body, and the submersible pump is characterized in that: the water inlet department has seted up the screw cavity, it is provided with an adjusting disk to slide in the water inlet, the screw cavity has closed a gland soon, the annular equipartition has a plurality of inlet openings on the adjusting disk, the shutoff hole has been seted up on the gland, the cover is equipped with compression spring on the adjusting disk, center department at the adjusting disk is provided with the transfer line, be provided with ratchet structure between gland and transfer line, the fixed gear dish that is provided with on the gland, it is provided with the rocker to rotate on the transfer line, be formed with the installation piece on the rocker, first control groove and second control groove have been seted up on the outer terminal surface of installation piece, it is provided with a control block to slide in the installation cavity, be formed with push face and the face of sliding on the control. The invention provides a submersible pump, which can switch a sewage pump and a clean water pump according to the degree of water turbidity.

Description

Submersible pump

Technical Field

The invention relates to a water pump structure, in particular to a submersible pump.

Background

According to different requirements on water inlet particles, garden submersible pumps on the market can be divided into a sewage pump and a clean water pump. The sewage pump has a larger water inlet caliber, and the distance between the end surface of the impeller and the water inlet is larger, so that the sewage pump can pass through the inlet water flow of larger particle impurities; and the water inlet of the clean water pump is small, the distance between the end surface of the impeller and the water inlet is also small, and large-particle impurity water flow cannot be pumped.

Different water pumps are needed when sewage and clean water are extracted. At present, the two pumps are usually designed separately in the market, one submersible pump cannot be used for pumping sewage and clean water at the same time, and when sewage and clean water are pumped, two submersible pumps have to be equipped, so that the cost is increased.

Therefore, the prior chinese patent publication No. CN106286321A discloses a submersible pump, which includes a pump body with a downward opening, a controller and a driving motor electrically connected to the controller are disposed in the pump body, an impeller is disposed on an output shaft of the driving motor, and a water outlet is disposed on an outer wall of the pump body, and is characterized in that: the end surface of the downward opening of the pump body is flush with the end surface of the impeller, the outer wall of the downward opening of the pump body is provided with threads, the submersible pump also comprises a plurality of heightening rings with different thicknesses and an inlet adjusting component, wherein the inlet adjusting component comprises an end cover screwed on the downward opening of the pump body and an adjusting plate arranged on the end cover, the heightening ring is arranged on the adjusting plate and tightly pressed on the end surface of the downward opening of the pump body, a counter sink is arranged on the upper end surface of the adjusting plate, the end cover is provided with a through hole corresponding to the counter sink, an adjusting bolt is arranged in the counter sink, the adjusting bolt passes through the through hole and then is connected with a nut used for mutually pressing the adjusting plate and the end cover, a plurality of water inlets have been seted up to circumference on the end cover, the regulating plate has a plurality of regulating blade that are used for sheltering from the water inlet with the water inlet is corresponding.

According to the invention, an end cover is screwed at the lower opening of a pump body, a plurality of water inlets are circumferentially arranged on the end cover, an adjusting plate is arranged on the bottom wall of the end cover to adjust the size of the water inlets, heightening rings with different thicknesses are placed on the adjusting plate to realize the adjustment of the distance between the end surface of an impeller and the upper end surface of the adjusting plate, when a submersible pump is selected as a sewage pump, the heightening rings with different thicknesses are selected according to the turbidity degree of sewage to realize the adjustment of the distance between the impeller and the water inlets, and meanwhile, an inlet adjusting assembly is adjusted to rotate the adjusting plate to enlarge the size of; when electing and using the immersible pump as the sewage pump, tear and increase the circle, perhaps adopt thinner circle that increases for distance between impeller and the water inlet keeps less interval, simultaneously, adjusts import adjusting part, and rotatory regulating plate reduces the size of actual water inlet.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art, and provides a submersible pump which is used for switching a sewage pump and a clean water pump according to the turbidity degree of water.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a submersible pump, includes the pump body, sets up the impeller within the pump body, and the lower extreme of the pump body forms the water inlet, forms delivery port, its characterized in that on the lateral wall of the pump body: the water inlet is provided with a threaded cavity which is communicated with the water inlet and has the same central line with the water inlet, the water inlet is internally provided with an adjusting disc in a sliding manner, the threaded cavity is internally screwed with a gland bush, a plurality of water inlet holes are uniformly distributed on the adjusting disc in the axial direction, the gland bush is provided with a plugging hole with the size smaller than or equal to that of the water inlet hole at the corresponding position of each water inlet hole, the adjusting disc is sleeved with a compression spring, the compression spring is propped against between the adjusting disc and the cavity bottom of the threaded cavity, the center of the adjusting disc is provided with a transmission rod, the gland bush is provided with a central hole for the transmission rod to pass through, the gland bush is fixedly provided with a gear disc, the transmission rod is provided with a rocker below the gear disc in a transmission manner, the rocker is provided with an installation block outside the gear disc, an installation cavity is formed in the, the outer end face of the mounting block is provided with a first control groove and a second control groove on two opposite sides of the through hole respectively, a control block is arranged in the mounting cavity in a sliding mode, the inner end of the control block is provided with a control part used for being inserted into a tooth socket on a gear disc, a pushing surface and a slipping surface which are arranged oppositely are formed on the control part, the pushing surface and the slipping surface are opposite to the side wall of the tooth socket of the gear disc respectively, the outer end of the control block extends to form a connecting rod penetrating through the through hole, a set of limiting spring arranged on the connecting rod is arranged in the mounting cavity, the outer end of the connecting rod is connected with a control handle, and a limiting rod used for being inserted into the first control groove or the second control groove is formed on the inner.

As an improvement, the pump body is provided with a limit screw for limiting the rotation of the adjusting disc, and after the adjusting disc is positioned, the adjusting disc is positioned and compressed by screwing the limit screw, so that the adjusting disc is prevented from rotating during working.

And the improvement is carried out again, a mounting groove is arranged at the center of the lower end face of the gland, the gear disc and the rocker are arranged in the mounting groove, a groove cover used for sealing the mounting groove is arranged on the mounting groove, the rocker is sealed by the groove cover, a water drainage effect is achieved, and when the clean water pump and the sewage pump are required to be switched, the groove cover is opened to be adjusted.

And a plurality of steel ball grooves are formed on the upper end surface of the gland, a steel ball which is contacted with the lower surface of the adjusting disc is placed in each steel ball groove, and the steel ball can reduce the friction when the adjusting disc and the gland rotate relatively.

And the transmission mode between the transmission rod and the rocker is that the transmission rod is provided with a transmission gear, and the end part of the rocker is provided with a gear ring meshed with the transmission gear.

Compared with the prior art, the invention has the advantages that: in order to realize the switching between the clean water pump and the sewage pump, three motions of independent rotation of the adjusting disc, clockwise rotation of the gland and anticlockwise rotation of the gland are required to be met, wherein the clockwise or anticlockwise rotation of the gland is suitable for adjusting the distance between the end face of the impeller and the upper end face of the adjusting disc, the independent rotation of the adjusting disc is suitable for adjusting the size of the water inlet caliber, in the switching process, the distance between the end face of the impeller and the upper end face of the adjusting disc is required to be adjusted firstly, then the size of the water inlet caliber is adjusted, specifically, when pool water is relatively dirty, the control handle is pulled out, the limiting rod is inserted into the first control groove, the rocker is anticlockwise rotated, in the process that the rocker drives the adjusting disc to rotate, as the pushing surface on the control block acts on the tooth socket wall of the gear disc, the control block can drive the gear disc to rotate at the same time, and, the gland is far away from the direction of the impeller, the compression spring extends, the distance between the upper end surface of the adjusting disc and the end surface of the impeller is increased, then the rocker is rotated clockwise, the rocker drives the adjusting disc to rotate, the sliding surface of the control block acts on the groove wall of the tooth groove of the gear disc, and the rocker cannot drive the gear disc to rotate, so that the gland is in a static state at the moment, the adjusting disc independently rotates relative to the gland, and the size of the water inlet caliber of the submersible pump formed by the overlapped part between the plugging hole and the water inlet hole can be changed; similarly, when the pond water is relatively clear, at the moment, the control handle needs to be pulled out again, the control handle is rotated by 180 degrees, the limiting rod on the control handle is inserted into the second control groove of the mounting block, the control handle is loosened, the limiting spring presses the control block in the tooth groove of the gear disc, at the moment, the relative position of the sliding surface and the pushing surface on the control block is changed, when the rocker is rotated clockwise, the rocker can drive the gland and the adjusting disc to rotate clockwise simultaneously, the gland is closed towards the direction of the impeller, the distance between the upper end surface of the adjusting disc and the end surface of the impeller is reduced, when the rocker is rotated anticlockwise, the rocker can only drive the adjusting disc to rotate independently, the water inlet aperture is reduced, therefore, the distance between the end face of the impeller and the upper end face of the adjusting disc and the size of the water inlet caliber are adjusted, the structural parameter requirements of the submersible pump during sewage and clean water extraction are met, and the multi-purpose function of one pump is realized.

Drawings

FIG. 1 is a schematic view of the construction of a submersible pump in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a rocker and a gear plate in an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a state in which the water inlet hole on the regulating disc and the blocking hole on the gland are completely overlapped in the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a state in which the water inlet hole on the regulating disk and the plugging hole on the gland are staggered with each other in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 4, the submersible pump in this embodiment includes a pump body 1, an impeller 2, an adjusting disc 3, a gland 4, a hold-down spring 5, a gear disc 6, a rocker 7, a control handle 9, a control block 8, and a limit spring 74.

Wherein, the impeller 2 is arranged in the pump body 1, the lower end of the pump body 1 forms a water inlet 11, the side wall of the pump body 1 forms a water outlet 12, the water inlet 11 is provided with a threaded cavity 13 which is communicated with the water inlet 11 and has the same central line with the water inlet 11, the water inlet 11 is internally provided with a regulating disc 3 in a sliding way, the threaded cavity 13 is internally screwed with a gland 4, concretely, the inner side wall of the threaded cavity 13 is provided with an internal thread, the gland 4 is provided with an external thread which is meshed with the internal thread, a plurality of water inlet holes 3 are uniformly distributed on the regulating disc 3 in a circumferential direction, the gland 4 is provided with a plugging hole 41 with the size smaller than or equal to that of each water inlet hole 31 at the corresponding position of each water inlet hole 31, the regulating disc 3 is sleeved with a compression spring 5, the compression spring 5 is abutted between the regulating disc 3 and the cavity bottom of the threaded cavity 13, the center of the, a plurality of steel ball grooves are formed on the upper end surface of the gland 4, a steel ball 42 contacted with the lower surface of the adjusting disc 3 is placed in each steel ball groove, the steel ball 42 can reduce the friction when the adjusting disc 3 and the gland 4 rotate relatively, meanwhile, a gear disc 6 is fixedly arranged on the gland 4, a rocker 7 positioned below the gear disc 6 is arranged on the transmission rod 32 in a transmission mode, preferably, a transmission gear is arranged on the transmission rod 6, a gear ring meshed with the transmission gear is arranged at the end part of the rocker 7, an installation block 71 positioned on the outer side of the gear disc 6 is formed on the rocker 7, an installation cavity 72 is formed in the installation block 71, a through hole communicated with the installation cavity 72 is formed on the outer end surface of the installation block 71, a first control groove and a second control groove 73 are respectively formed on the two opposite sides of the through hole on the outer end surface of the installation block 71, a control block 8 is arranged in the mounting cavity 72 in a sliding manner, a control part for inserting into a tooth space on the gear disc 6 is formed at the inner end of the control block 8, a pushing surface 82 and a slipping surface 81 which are arranged oppositely are formed on the control part, the pushing surface 82 and the slipping surface 81 are respectively opposite to the side wall of the tooth space of the gear disc 6, a connecting rod 83 penetrating through a through hole extends from the outer end of the control block 8, a limit spring 74 sleeved on the connecting rod 83 is arranged in the mounting cavity 72, the outer end of the connecting rod 83 is connected with a control handle 9, and a limit rod 91 for inserting into the first control groove or the second control groove 73 is formed on the inner side wall of the control handle 9.

Furthermore, in order to prevent the adjusting disk 3 from rotating during operation, the pump body 1 is provided with a limit screw 14 for limiting the rotation of the adjusting disk 3, and after the adjusting disk 3 is positioned, the adjusting disk 3 is positioned and compressed by screwing the limit screw 14.

In addition, in the embodiment of the invention, the center of the lower end face of the gland 4 is provided with a mounting groove, the gear disc 6 and the rocker 7 are arranged in the mounting groove, the mounting groove is provided with a groove cover for sealing the mounting groove, the rocker 7 is sealed by the groove cover, the water discharging effect is achieved, and when the clean water pump and the sewage pump need to be switched, the groove cover is opened for adjustment.

In the invention, the adjusting disc 3 can rotate relative to the gland 4, the gland 4 axially limits the adjusting disc 3 through the compression spring 5, meanwhile, the water inlet hole 31 on the adjusting disc 3 and the blocking hole 41 on the gland 4 are communicated with a water pool and a pump body cavity, the overlapping part between the blocking hole 41 and the water inlet hole 31 forms the water inlet aperture 401 of the submersible pump, when the blocking hole 41 and the water inlet hole 31 are completely overlapped, the water inlet aperture 401 is the largest, as shown in fig. 3, dislocation occurs between the water inlet hole 31 and the blocking hole 41 along with the rotation of the adjusting disc, and the water inlet aperture 401 is gradually reduced, as shown in fig. 4, so that when the water in the water pool is sewage, the water inlet aperture 401 is increased, and when the water in the water pool is clear, the water inlet aperture 401 can be reduced, thereby realizing the adjustment of the water inlet aperture of the submersible pump.

In summary, in order to realize the switching between the clean water pump and the sewage pump, three motions of independent rotation of the adjusting disc 3, clockwise rotation of the gland 4 and counterclockwise rotation of the gland 4 need to be satisfied, wherein the clockwise or counterclockwise rotation of the gland 4 is suitable for adjusting the distance between the end surface of the impeller 2 and the upper end surface of the adjusting disc 3, the independent rotation of the adjusting disc 3 is suitable for adjusting the size of the water inlet aperture 401, in the switching process, the distance between the end surface of the impeller 2 and the upper end surface of the adjusting disc 3 needs to be adjusted first, then the size of the water inlet aperture 401 needs to be adjusted, specifically, when the pool water is relatively dirty, the control handle 9 is pulled out, the limit rod 91 is inserted into the first control groove, the rocker 7 is rotated counterclockwise, and in the process that the push surface 82 on the control block 8 acts on the tooth socket wall of the gear disc 6, so that the control block 8 can drive the gear disc 6 to rotate at the same time, the gear disc 6 drives the gland 4 to rotate anticlockwise, the gland is far away from the impeller direction, the compression spring extends, the distance between the upper end face of the adjusting disc and the end face of the impeller is increased, then the rocker 7 rotates clockwise, the rocker 7 drives the adjusting disc 3 to rotate, and as the sliding surface 81 of the control block 8 acts on the groove wall of the tooth groove of the gear disc 6, the rocker 7 cannot drive the gear disc 6 to rotate, so that the gland 4 is in a static state at the moment, the adjusting disc 3 independently rotates relative to the gland 4, and thus the size of the water inlet caliber 401 of the submersible pump formed by the overlapped part between the plugging hole 41 and the water inlet hole 31 can be changed; similarly, when the pond water is relatively clear, at this time, the control handle 9 needs to be pulled out again, and the control handle is rotated by 180 degrees, the limiting rod 91 on the control handle 9 is inserted into the second control groove 73 of the mounting block 71, the control handle 9 is released, the limiting spring 74 presses the control block 8 into the tooth groove of the gear disc 6, at this time, the relative positions of the sliding surface 81 and the pushing surface 82 on the control block 8 are changed, when the rocker 7 is rotated clockwise, the rocker 7 can drive the gland 4 and the adjusting disc 3 to rotate clockwise simultaneously, the gland 4 is closed towards the impeller 2, the distance between the upper end surface of the adjusting disc 3 and the end surface of the impeller 2 is reduced, when the rocker 7 is rotated counterclockwise, the rocker 7 can only drive the adjusting disc 3 to rotate alone, the water inlet aperture 401 is reduced, and therefore, the adjustment of the distance between the end surface of the impeller 2 and the upper end surface of the adjusting disc 3 and the size of the water, the requirement of the structural parameters of the submersible pump during the extraction of sewage and clean water is met, and the function of one pump with multiple purposes is realized.

Claims

1. The utility model provides a submersible pump, includes the pump body (1), sets up impeller (2) within the pump body (1), and the lower extreme of the pump body (1) forms water inlet (11), forms delivery port (12), its characterized in that on the lateral wall of the pump body (1): the water inlet (11) is provided with a threaded cavity (13) which is communicated with the water inlet (11) and has the same central line with the water inlet (11), the water inlet (11) is internally provided with an adjusting disc (3) in a sliding manner, the threaded cavity (13) is internally screwed with a gland (4), the adjusting disc (3) is uniformly and circumferentially provided with a plurality of water inlet holes (31), the gland (4) is provided with a plugging hole (41) with the size smaller than or equal to that of each water inlet hole (31) at the corresponding position of each water inlet hole (31), the adjusting disc (3) is sleeved with a compression spring (5), the compression spring (5) is abutted between the adjusting disc (3) and the cavity bottom of the threaded cavity (13), the center of the adjusting disc (3) is provided with a transmission rod (32), the gland (4) is provided with a central hole for the transmission rod (32) to pass through, the gland (4) is fixedly provided with a gear disc (, a rocker (7) positioned below the gear disc (6) is arranged on the transmission rod (32) in a transmission manner, an installation block (71) positioned on the outer side of the gear disc (6) is formed on the rocker (7), an installation cavity (72) is formed in the installation block (71), a through hole communicated with the installation cavity (72) is formed in the outer end face of the installation block (71), a first control groove and a second control groove (73) are respectively formed in the two opposite sides of the through hole on the outer end face of the installation block (71), a control block (8) is arranged in the installation cavity (72) in a sliding manner, a control part used for being inserted into a tooth socket on the gear disc (6) is formed at the inner end of the control block (8), a pushing face (82) and a sliding face (81) which are arranged oppositely are formed on the control part, and the pushing face (82) and the sliding face (81) are respectively opposite to the side wall of the tooth socket of the gear disc (6, the outer end of the control block (8) extends to form a connecting rod (83) penetrating through the through hole, a limit spring (74) which is arranged on the connecting rod (83) in a sleeved mode is arranged in the installation cavity (72), the outer end of the connecting rod (83) is connected with a control handle (9), and a limit rod (91) which is used for being inserted into the first control groove or the second control groove (73) is formed on the inner side wall of the control handle (9).

2. The submersible pump of claim 1, wherein: and the pump body (1) is provided with a limit screw (14) for limiting the rotation of the adjusting disc (3).

3. The submersible pump of claim 1, wherein: the center department of terminal surface has seted up a mounting groove under gland (4), gear disc (6) and rocker (7) set up in the mounting groove, are provided with a capping that is used for sealing the mounting groove on the mounting groove.

4. The submersible pump of claim 1, wherein: a plurality of steel ball grooves are formed in the upper end face of the gland (4), and a steel ball (42) in contact with the lower surface of the adjusting plate (3) is placed in each steel ball groove.

5. The submersible pump of claim 1, wherein: the transmission mode between the transmission rod (32) and the rocker (7) is that the transmission rod (32) is provided with a transmission gear, and the end part of the rocker (7) is provided with a gear ring meshed with the transmission gear.