CN213419314U

CN213419314U - Booster pump head and diaphragm pump using same

Info

Publication number: CN213419314U
Application number: CN202022321957.XU
Authority: CN
Inventors: 蔡应麟; 徐兆火
Original assignee: Foshan City Sanjiaozhou Electrical Technology Co ltd
Current assignee: Foshan City Sanjiaozhou Electrical Technology Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-11
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a booster pump head and utilize diaphragm pump of this booster pump head relates to the diaphragm booster pump field. The scheme includes a pump head seat, a diaphragm, a swinging wheel seat, a piston push plate, a piston valve seat and a pump head cover which are sequentially arranged from bottom to top, wherein the piston push plate is embedded in the diaphragm, a connecting convex column is further connected onto the piston push plate, a plurality of balance wheels are arranged on the swinging wheel seat, a connecting groove for the connection of the connecting convex column is formed in each balance wheel, a threaded connecting piece penetrates through each balance wheel, and the threaded connecting piece is fixedly connected with the connecting convex column. The utility model provides a booster pump head and diaphragm pump, with the piston kicking plate inlay locate the diaphragm piece in to connect the projection at the piston kicking plate, will connect the projection and be connected with the balance wheel of pendulum wheel seat through threaded connection spare, thereby the assembly of being convenient for, and the wholeness of diaphragm piece is good, and the leakproofness is good.

Description

Booster pump head and diaphragm pump using same

Technical Field

The utility model relates to a diaphragm booster pump field, concretely relates to booster pump head and diaphragm pump of this booster pump head of application.

Background

At present, membrane booster pumps are commonly used in domestic and foreign water filtration devices, for example, the application number of the chinese patent discloses a damping structure of a membrane booster pump, which comprises a motor, a motor front cover, an inclined eccentric cam, a wobble wheel seat, a pump head seat, a membrane sheet, a piston push block, a piston valve body and a pump head cover, wherein the wobble wheel seat is provided with a wobble wheel, the pump head seat is provided with a motion through hole, the wobble wheel seat is arranged in the motion through hole in a penetrating manner, and the piston push block and the membrane sheet are fixed on the wobble wheel by fixing screws which penetrate through the piston push block; the side of the outer periphery of the bottom of the piston valve body is provided with a ring of raised strips in a downward protruding manner, and the ring raised strips are plugged into gaps between the outer raised strips and the inner raised strips in the diaphragm, so that the diaphragm is fixed after the piston valve body is fastened and compacted by the ring raised strips, and a closed pressurizing chamber is formed between the water inlet seat of the piston valve body and the top surface of the diaphragm.

The diaphragm booster pump works by driving the inclined eccentric cam to rotate through the motor, so that the inclined eccentric cam drives the balance wheel seat and the balance wheel on the balance wheel to move up and down in a swinging mode, the diaphragm is elastically deformed along with the swinging of the balance wheel, the volume of a boosting cavity between the diaphragm and the water inlet seat is changed, and the water suction-boosting water drainage process is carried out.

In the solution disclosed in the prior patent, the fixing screw 1 passes through the stepped hole 81 of the piston push block 80 and is connected with the balance 52 through the diaphragm 70, which has the following problems:

firstly, the assembly is troublesome;

and secondly, if the fixing screw cannot be screwed to the position, the high-pressure water is easy to loosen and leaks through a connecting gap, so that the internal short circuit of the motor is caused and the motor is burnt.

Therefore, there is a need for improved pump heads that are easy to manufacture and assemble.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a first aim at provides a booster pump head, it is through inlaying the piston push jack and locate in the diaphragm piece to connect the projection at the piston push jack, will connect the projection through threaded connection spare and be connected with the balance of pendulum wheel seat, thereby be convenient for assemble, and the wholeness of diaphragm is good, and the leakproofness is good.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a booster pump head, includes by supreme pump head seat, diaphragm, pendulum wheel seat, piston push jack, piston valve seat and the pump head lid that sets gradually down, the piston push jack inlays to be located in the diaphragm, still be connected with the connection projection on the piston push jack, set up a plurality of balances on the pendulum wheel seat, set up the confession on the balance connect the spread groove that the projection was pegged graft, threaded connection spare is worn to be equipped with by the balance, threaded connection spare with it is fixed to connect the projection connection.

Through setting up like this, inlay the piston kicking piece and establish inside the diaphragm, need to form the hole different on the diaphragm with conventional way, the wholeness of the diaphragm that adopts this kind of structure is good, can effectively avoid being connected the condition that untight and boil the diaphragm and take place to leak because of piston kicking piece and diaphragm, it is sealed good, in addition, connect the connection projection on the piston kicking piece, set up the spread groove on the balance again, connect the projection and peg graft in the spread groove, it is fixed with the balance to connect the projection through threaded connection spare, thereby make the balance of balance wheel seat can drive the swing of diaphragm and then realize taking out, the process of absorbing water, and convenient positioning, and convenient assembly, and convenient processing.

Preferably, the piston push plate is integrally formed with the connecting boss.

Through the arrangement, the piston push sheet and the connecting convex column can be integrally formed, so that the process is further simplified, and the processing and the production are convenient.

Preferably, the connecting boss has a non-circular cross-section.

Through the arrangement, the connecting convex column is arranged to be non-circular in cross section, namely square, rectangular, oval or other shapes, so that the connecting convex column can be effectively prevented from rotating around the center of the connecting convex column in the installation process, and the connecting convex column and the balance wheel are convenient to fix.

Preferably, the connecting convex column is at least provided with an anti-rotation connecting plane in the circumferential direction.

Through setting up like this, set up and prevent changeing the connection plane, be favorable to reducing and connect the projection and take place the pivoted possibility around self central line in the installation.

Preferably, the rotation-preventing connecting planes are arranged in two numbers, and the two rotation-preventing connecting planes are symmetrically arranged on two sides of the central line of the connecting convex column.

Through setting up like this, prevent changeing the connection plane and set up two and prevent changeing the symmetry of connection plane and set up in the both sides of connecting the projection central line, be favorable to making the connection projection atress balanced in the installation, reduce the connection projection damage and even take place the condition emergence of skidding.

Preferably, one end of the connecting convex column, which is far away from the piston push sheet, is provided with a threaded connecting hole, the bottom of the connecting groove on the balance wheel is provided with a connecting through hole, the threaded connecting piece is a screw, and the threaded connecting piece penetrates through the connecting through hole to be connected with the threaded connecting hole.

Through the arrangement, the connecting convex column deviates from the threaded connecting hole of the piston, during connection, the threaded connecting piece penetrates through the connecting through hole to be connected with the threaded connecting hole, so that the connecting convex column is fixed in the balance wheel, the installation is convenient, the force borne by the threaded connecting piece is along the axis direction, the stress is good, the connection stability is favorably kept, if the threaded connecting piece is connected with the connecting convex column in a lateral mode, the stress of the threaded connecting piece is not along the axis direction, and a shearing force which enables the threaded connecting piece to be bent or even broken along the axis direction of the threaded connecting piece can be generated.

Preferably, the pump head cover is further provided with a water pipe quick-connecting structure, the water pipe quick-connecting structure comprises a plug connector and a connecting pipe fitting, the pump head cover is provided with an inserting seat for connecting the plug connectors, a waterway connecting channel is arranged in the inserting seat, the plug socket is provided with a connecting sliding groove along the direction vertical to the opening direction of the waterway connecting channel, the plug connector comprises a sliding plate, the sliding plate slides along the connecting sliding groove, the plate surface of the sliding plate is vertical to the opening direction of the waterway connecting channel, the sliding plate is provided with a first connecting hole and a second connecting hole which are communicated with each other, the diameter of the first connecting hole is larger than that of the second connecting hole, one end of the connecting pipe fitting is provided with a threaded end, the other end of the connecting pipe fitting is provided with an inserting end, the inserting end is inserted into the water path connecting channel, and the periphery of the inserting end is also provided with an annular clamping groove matched with the second connecting hole.

Through setting up like this, it can be connected with external pipeline to connect the pipe fitting through the screw thread end, when the installation of water pipe fast-connecting structure, at first peg graft the sliding plate in connecting the spout, and make first connecting hole and water route connection passageway align, the end of pegging graft of connecting the pipe fitting is pegged graft in water route connection passageway through first connecting hole again, then make the sliding plate remove, make ring groove joint in the second connecting hole, it is fixed to connect the pipe fitting, the dismantlement process is opposite with it, easy dismounting, it is quick, and convenient maintenance and installation.

Preferably, one end of the sliding plate in the inserting direction is provided with a limiting bulge, and the limiting bulge is positioned on one surface of the sliding plate, which is deviated from the threaded end of the connecting pipe fitting.

Through setting up like this, set up spacing arch, be convenient for slide the sliding plate and target in place, will connect the pipe fitting chucking, make it and bayonet socket stable connection.

Preferably, one end of the sliding plate, which is far away from the limiting protrusion, is further provided with a second protrusion, and the limiting protrusion and the second protrusion are respectively located on two opposite surfaces of the sliding plate.

Through setting up like this, when dismantling, the protruding messenger second connecting hole of being convenient for of second and cyclic annular draw-in groove separation, it is convenient to dismantle.

Based on same utility model the design, the utility model discloses a second aim at provides a diaphragm pump, including foretell booster pump head, eccentric cam and driving motor, eccentric cam install in the booster pump head, driving motor with eccentric cam connects and drives its rotation.

Through setting up like this, owing to adopt foretell booster pump head, processing, production are convenient to be convenient for install, be convenient for production and maintenance.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

1. the piston push sheet is embedded in the diaphragm sheet, the piston push sheet is connected with the connecting convex column, the connecting convex column is connected with the balance wheel of the balance wheel seat through the threaded connecting piece, and therefore the booster pump head is convenient to assemble, the diaphragm sheet is good in integrity and good in sealing performance.

2. The connecting convex column is set to be non-circular in cross section, so that the connecting convex column can be effectively prevented from rotating around the center of the connecting convex column in the installation process, and the connecting convex column and the balance wheel can be conveniently fixed.

3. Still set up the water pipe fast even structure on the pump head lid of booster pump head, easy dismounting, quick, be convenient for maintain and install.

4. The diaphragm pump is convenient to process and produce, install, produce and maintain.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is an exploded schematic view of the overall structure of the booster pump head and the eccentric cam according to the embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a sectional three-dimensional schematic view of the head part of the booster pump in the embodiment of the present invention;

FIG. 5 is a schematic view of the back side of a diaphragm according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a swinging wheel seat according to an embodiment of the present invention;

fig. 7 is a schematic full-sectional view of the diaphragm and the pendulum wheel base according to the embodiment of the present invention.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. a booster pump head; 101. a pump head base; 102. a diaphragm sheet; 103. a swinging wheel seat; 1031. a balance wheel; 10311. connecting grooves; 103111, anti-rotation inner wall; 10312. a connecting through hole; 104. a piston push sheet; 1041. connecting the convex columns; 10411. an anti-rotation connection plane; 10412. connecting a threaded hole; 1042. concave-convex stripes; 1043. a process groove; 105. a piston valve seat; 106. a pump head cover; 1061. a water pipe quick connection structure; 10611. a plug-in unit; 106111, a slide plate; 106112, a first connection hole; 106113, a second connection hole; 106114, limit projection; 106115, a second protrusion; 10612. connecting pipe fittings; 106121, a threaded end; 106122, a plug end; 1061221, annular card slot; 1061222, an annular seal groove; 1062. a socket; 10621. connecting the sliding chute; 10622. a through groove; 1063. a waterway connection channel; 1064. a high pressure chamber; 1065. a water inlet cavity; 107. a threaded connection; 2. an eccentric cam; 3. the motor is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Examples

Referring to fig. 1 and 2, the present embodiment discloses a diaphragm pump, which includes a booster pump head 1, an eccentric cam 2 and a driving motor 3, wherein the eccentric cam 2 is installed in the booster pump head 1, the driving motor 3 is connected with the eccentric cam 2 and drives the eccentric cam 2 to rotate, and then the eccentric cam 2 drives the pump head to perform water absorption and water pressurization and drainage actions.

Referring to fig. 2, the pumping head 1 includes a head base 101, a diaphragm 102, a balance base 103, a piston push plate 104, a piston valve base 105, and a head cover 106, which are sequentially disposed from bottom to top, the eccentric cam 2 is connected to the center of the balance base 103, a plurality of balances 1031 are disposed on the balance base 103, and the balances 1031 on the eccentric cam 2 rotate along with the eccentric cam 2 to perform a swinging motion along the axial direction of the eccentric cam 2.

Referring to fig. 2, 5 and 7, in the present embodiment, the piston push plate 104 is embedded in the diaphragm plate 102, the piston push plate 104 is further connected with a connecting convex column 1041, the balance 1031 is provided with a connecting groove 10311 for the connecting convex column 1041 to be inserted, the balance 1031 is provided with a threaded connecting piece 107 in a penetrating manner, and the threaded connecting piece 107 is fixedly connected with the connecting convex column 1041.

In this embodiment, the diaphragm 102 is a thermoplastic vulcanized rubber diaphragm, the piston push plate 104 and the connecting boss 1041 may be made of ABS plastic, and the piston push plate 104 and the connecting boss 1041 are integrally formed by injection molding and then embedded in the diaphragm 102, so that the diaphragm 102, the piston and the connecting boss 1041 are an integral structure.

Referring to fig. 7, the piston pushing plate 104 is provided with concave-convex stripes 1042 and process recesses 1043 on the surface thereof, the concave-convex stripes 1042 are provided to increase the contact area between the diaphragm 102 and the piston pushing plate 104 and improve the connection strength therebetween, and the process recesses 1043 are provided to facilitate air exhaust and further improve the connection strength.

Referring to fig. 5 and 6, the connection boss 1041 has a non-circular cross section. Specifically, the cross section of the connection boss 1041 may be square, rectangular, elliptical or other shapes.

The connecting boss 1041 is circumferentially provided with at least one anti-rotation connecting plane 10411, and the connecting groove 10311 is internally provided with an anti-rotation inner wall 103111 attached to the anti-rotation connecting plane 10411.

Referring to fig. 5, in this embodiment, two anti-rotation connection planes 10411 are provided, and the two anti-rotation connection planes 10411 are symmetrically disposed on two sides of the center line of the connection boss 1041.

The effect of symmetrically arranging the two anti-rotation connection planes 10411 also lies in: when the piston push plate 104 and the connecting convex column 1041 are embedded in the diaphragm 102, the connecting convex column 1041 is clamped and positioned conveniently, and processing and production are facilitated.

Referring to fig. 5 and 6, a threaded connection hole 10412 is formed in one end of the connection boss 1041 away from the piston push plate 104, a connection through hole 10312 is formed in the bottom of the connection groove 10311 on the balance wheel 1031, the threaded connection member 107 is a screw, the screw passes through the connection through hole 10312 and is connected with the threaded connection hole 10412, and a shoulder of the screw abuts against the bottom surface of the balance wheel 1031, so that connection strength is improved.

Referring to fig. 1, 2, 3, and 4, the pump head cover 106 is further provided with a water pipe quick-connecting mechanism 1061, the water pipe quick-connecting mechanism 1061 includes a plug 10611 and a connecting pipe 10612, and the pump head cover 106 is provided with a socket 1062 for connecting the plug 10611;

a water path connecting channel 1063 is formed in the socket 1062, one of the two water path connecting channels 1063 is communicated with a high-pressure cavity 1064 in the pump head seat 101 and used for discharging water from the booster pump head 1, and the other water path connecting channel 1063 is communicated with a water inlet cavity 1065 in the pump head seat 101 and used for feeding water to the booster pump head 1;

a connecting chute 10621 is arranged on the socket 1062 along a direction perpendicular to the opening direction of the water path connecting channel 1063, the plug 10611 includes a sliding plate 106111, the sliding plate 106111 slides along the connecting chute 10621, the plate surface of the sliding plate 106111 is perpendicular to the opening direction of the water path connecting channel 1063, and a direction P in the drawing is a plugging direction of the sliding plate 106111;

the sliding plate 106111 is provided with a first connection hole 106112 and a second connection hole 106113 which are communicated with each other, the diameter of the first connection hole 106112 is larger than that of the second connection hole 106113, one end of the connection pipe 10612 is provided with a threaded end 106121, the other end is provided with a plugging end 106122, the plugging end 106122 is plugged in the water path connection channel 1063, the periphery of the plugging end 106122 is further provided with an annular clamping groove 1061221 which is matched with the second connection hole 106113, that is, the second connection hole 106113 can be clamped in the annular clamping groove 1061221, so that the relative movement between the plugging end 106122 and the sliding plate 106111 as well as between the pump head base 101 is limited.

Referring to fig. 3 and 4, the insertion end 106122 is further provided with an annular sealing groove 1061222, the annular sealing groove 1061222 is located on a side of the annular clamping groove 1061221 away from the threaded end 106121, and a sealing ring (not shown in the figure) is sleeved in the annular sealing groove 1061222 to improve the sealing property of the connection between the insertion end 106122 and the water path connection channel 1063.

Referring to fig. 3 and 4, one end of the sliding plate 106111 along its plugging direction is provided with a limit protrusion 106114, and a limit protrusion 106114 is located on a side of the sliding plate 106111 facing away from the threaded end 106121 of the connecting tube 10612.

The sliding plate 106111 is further provided with a second protrusion 106115 at an end thereof away from the limiting protrusion 106114, and the limiting protrusion 106114 and the second protrusion 106115 are respectively located on two opposite surfaces of the sliding plate 106111.

A through groove 10622 for moving the second protrusion 106115 is formed at a side of the connecting chute 10621,

the use process and principle of the embodiment are as follows:

when the diaphragm 102 is connected to the balance wheel seat 103, the connecting boss 1041 is inserted into the connecting groove 10311 of the balance wheel 1031, and passes through the connecting through hole 10312 by the threaded connection member 107, so that the connecting boss 1041 is fixed, and the connection is convenient and fast.

When connecting an external water pipe, firstly, the external water pipe is connected to the threaded end 106121 of the connecting pipe 10612, the sliding plate 106111 of the plug connector 10611 is inserted into the connecting chute 10621, the first connecting hole 106112 is aligned with the water path connecting channel 1063, the insertion end 106122 of the connecting pipe 10612 is inserted into the water path connecting channel 1063 through the first connecting hole 106112, then the sliding plate 106111 is moved, the annular clamping groove 1061221 is clamped in the second connecting hole 106113, the hole wall of the second connecting hole 106113 is clamped in the annular clamping groove 1061221, the connecting pipe 10612 is limited, and the connecting pipe 10612 is fixed;

during disassembly, the sliding plate 106111 slides relative to the connecting tube 10612 through the second protrusion 106115, so that the wall of the first connection hole 106112 is separated from the annular notch 1061221 until the first connection hole 106112 is aligned with the opening direction of the waterway connection channel 1063, that is, aligned with the plugging end 106122 of the connecting tube 10612, and thus the plugging end 106122 of the connecting tube 10612 can be pulled out of the waterway connection channel 1063 and finally separated from the socket 1062 through the first connection hole 106112, thereby achieving disassembly.

Adopt above-mentioned quick detach mode, simple structure, easy dismounting.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims

1. The utility model provides a pressure boost pump head (1), includes pump headstock (101), diaphragm (102), balance wheel seat (103), piston push-plate (104), piston valve seat (105) and pump head lid (106) that set gradually from bottom to top, its characterized in that, piston push-plate (104) inlay and locate in diaphragm (102), still be connected with on piston push-plate (104) and connect projection (1041), set up a plurality of balance wheels (1031) on balance wheel seat (103), set up on balance wheel (1031) and supply connect connection groove (1) that projection (1041) pegged graft, threaded connection spare (107) are worn to be equipped with in balance wheel (1031), threaded connection spare (107) with connect projection (1041) and be connected fixedly.

2. A booster pump head (1) according to claim 1, wherein the piston push plate (104) is integrally formed with the connecting boss (1041).

3. A booster pump head (1) according to claim 1 or 2, wherein the connecting boss (1041) is non-circular in cross-section.

4. The pumping head (1) of claim 3, wherein the connecting boss (1041) is circumferentially provided with at least one anti-rotation connecting plane (10411).

5. The pumping head (1) of claim 4, wherein there are two anti-rotation connection planes (10411), and the two anti-rotation connection planes (10411) are symmetrically disposed on two sides of the center line of the connection boss (1041).

6. A pump head (1) according to claim 1, 2, 4 or 5, wherein a threaded connection hole (10412) is provided at an end of the connection boss (1041) facing away from the piston push plate (104), a connection through hole (10312) is opened at a bottom of the connection groove (10311) on the balance wheel (1031), the threaded connection member (107) is a screw, and the threaded connection member (107) passes through the connection through hole (10312) to be connected with the threaded connection hole (10412).

7. The booster pump head (1) of claim 1, 2, 4, or 5, wherein the pump head cover (106) is further provided with a water pipe quick-connection structure (1061), the water pipe quick-connection structure (1061) includes a plug (10611) and a connection pipe (10612), the pump head cover (106) is provided with a socket (1062) for the plug (10611) to connect, a water channel connection channel (1063) is formed in the socket (1062), the socket (1062) is provided with a connection chute (10621) along a direction perpendicular to the opening direction of the water channel connection channel (1063), the plug (10611) includes a sliding plate (106111), the sliding plate (106111) slides along the connection chute (10621), a plate surface of the sliding plate (106111) is perpendicular to the opening direction of the water channel connection channel (1063), the sliding plate (106111) is provided with a first connection hole (106112) and a second connection hole (106113) that are communicated with each other, the diameter of the first connecting hole (106112) is larger than that of the second connecting hole (106113), one end of the connecting pipe fitting (10612) is provided with a threaded end (106121), the other end of the connecting pipe fitting is provided with an inserting end (106122), the inserting end (106122) is inserted into the water path connecting channel (1063), and the periphery of the inserting end (106122) is further provided with an annular clamping groove (1061221) matched with the second connecting hole (106113).

8. Pressure booster pump head (1) according to claim 7, wherein the sliding plate (106111) is provided with a limiting protrusion (106114) at one end in the plugging direction thereof, and the limiting protrusion (106114) is located at a side of the sliding plate (106111) facing away from the threaded end (106121) of the connecting tube member (10612).

9. A booster pump head (1) according to claim 8, wherein the sliding plate (106111) is further provided with a second protrusion (106115) at an end thereof away from the position-limiting protrusion (106114), and the position-limiting protrusion (106114) and the second protrusion (106115) are respectively located on two opposite surfaces of the sliding plate (106111).

10. A diaphragm pump, comprising a booster pump head (1) according to any of claims 1-9, an eccentric cam (2), and a drive motor (3), wherein the eccentric cam (2) is mounted in the booster pump head (1), and the drive motor (3) is connected to the eccentric cam (2) and drives it to rotate.