CN218266268U

CN218266268U - Drip-proof diaphragm pump

Info

Publication number: CN218266268U
Application number: CN202222687412.XU
Authority: CN
Inventors: 罗成明; 王成刚
Original assignee: Anhui Baierte Intelligent Technology Co ltd
Current assignee: Anhui Baierte Intelligent Technology Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-10
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a diaphragm pump of antidrip, which comprises a pump body, the top of the pump body is provided with the upper end cover, be connected with inlet tap and faucet on the upper end cover, the bottom of upper end cover is provided with the transition connector, be provided with between the transition connector and the pump body and be connected the baffle, be provided with the storehouse body of water outlet between the transition connector and the connection baffle, be provided with the sealed lid subassembly of elastic rubber between the top of the storehouse body of water outlet and the transition connector. The utility model discloses the elastic rubber seal cover subassembly that sets up is in the same place with the tight laminating of the storehouse body of going out under the quiescent condition of shutting down, because rivers get into the water inlet from the water inlet tap, inside partly water got into the pump body, partly in getting into the balanced cavity of elastic rubber seal cover subassembly top through the intercommunication groove, when the inside water pressure of filling up of diaphragm pump after, balanced cavity is unanimous with the inside water pressure of diaphragm pump, reaches the balance, so intake end pressure no matter how big, the phenomenon of dripping can not appear in the play water end.

Description

Drip-proof diaphragm pump

Technical Field

The utility model relates to a diaphragm pump technical field, concretely relates to diaphragm pump of antidrip.

Background

Diaphragm pumps are widely used in the market for industrial products such as water dispensers, coffee makers, water purifiers, etc. When the diaphragm pump is used, the phenomenon that the water outlet drips when the diaphragm pump is stopped due to the pressure of the liquid level difference of the water inlet when the motor is stopped;

aiming at the dripping phenomenon of the diaphragm pump, the sealing assembly applied to the diaphragm pump is also available on the market at present, the structure of the sealing assembly is shown in figure 5, and the sealing assembly has the following defects: although current diaphragm pump goes out water end sealing member can solve the water pump problem of dripping at the stall state, it adopts spring part roof pressure sealing member, in case it is too big to intake end pressure, exceeds the spring part and can bear pressure, also can be backed down, causes and leaks to the spring part constantly warp at pump body operation in-process, and the time has been of a specified duration and has taken place out deformation fatigue easily, leads to going out the condition emergence of water end water clock easily.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above technical problem, an object of the present invention is to provide a drip-proof diaphragm pump.

The purpose of the utility model can be realized by the following technical scheme:

a drip-proof diaphragm pump comprises a pump body, wherein an upper end cover is arranged at the top of the pump body, a water inlet nozzle and a water outlet nozzle are connected onto the upper end cover, a transition connecting body is arranged at the bottom of the upper end cover, a connecting partition plate is arranged between the transition connecting body and the pump body, a water inlet hole and a water outlet hole are formed in the connecting partition plate, the water inlet hole is communicated with the water inlet nozzle, one-way sealing assemblies are arranged on the water inlet hole and the water outlet hole, a piston assembly is further arranged on the connecting partition plate, and the water inlet hole and the water outlet hole are matched with the piston assembly; the water outlet bin is characterized in that a water outlet bin body is arranged between the transition connector and the connecting partition plate, the water outlet bin body is a plastic body, a water drainage cavity communicated with the water outlet nozzle is arranged between the water outlet bin body and the transition connector, the top of the water outlet bin body is an opening, an elastic rubber sealing cover assembly is arranged between the top of the water outlet bin body and the transition connector, a balance cavity is arranged above the elastic rubber sealing cover assembly, and a communicating groove communicated with the water inlet nozzle is formed in one side of the balance cavity.

As a further aspect of the present invention: the elastic rubber sealing cover assembly comprises a fixed connection cover body, the fixed connection cover body is connected to the transition connector body, a sealing cover attached to the top of the water outlet bin body is arranged on the fixed connection cover body, and an elastic connection bending body is connected between the sealing cover and the fixed connection cover body.

As a further aspect of the present invention: the top of the water outlet bin body is provided with an embedded convex ring which is embedded at the bottom of the sealing cover.

As a further aspect of the present invention: the one-way sealing assembly comprises an umbrella valve and an elastic valve sealing separation blade, the umbrella valve is arranged on the connecting partition plate and is connected with the water inlet hole in a matched mode, one end of the elastic valve sealing separation blade is connected to the connecting partition plate, and the other end of the elastic valve sealing separation blade is attached to the water outlet hole.

As a further aspect of the present invention: the piston assembly comprises a piston cylinder, the piston cylinder is connected to the bottom of the connecting partition plate and is provided with a pin, a turntable is arranged on the pin of the piston cylinder in a matched mode, and a rotating shaft is connected to the turntable; and a motor driving assembly which is matched and connected with the rotating shaft is arranged at the bottom of the pump body.

As a further aspect of the present invention: the motor driving assembly comprises a driving motor, the driving motor is connected to the bottom of the pump body, the spindle end of the driving motor is connected with an eccentric swing head, and the rotating shaft is connected with the eccentric swing head.

The utility model has the advantages that:

1. the elastic rubber sealing cover component arranged in the utility model is closely attached to the water outlet bin body in a static state when the machine is stopped, because when water flow enters the water inlet nozzle from the water inlet nozzle, part of water enters the interior of the pump body, and part of water enters the balance cavity above the elastic rubber sealing cover component through the communicating groove, after the interior of the diaphragm pump is filled with water, the balance cavity is consistent with the water pressure in the diaphragm pump, so that the balance is achieved, and no matter how large the pressure of the water inlet end is, the water outlet end cannot drip water;

2. the utility model discloses rely on the cooperation butt joint of the water storehouse body of the elastic rubber seal cover subassembly of rubber material and plastic material, realize sealedly, need not to adopt the spring part, avoid leading to sealed effect variation because the spring part warp tiredly.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the whole structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2;

fig. 5 is a schematic structural diagram of a sealing member at the water outlet end of a conventional diaphragm pump.

In the figure: 1. a pump body; 2. a drive motor; 3. a water inlet nozzle; 4. a water outlet nozzle; 5. an upper end cover; 6. a turntable; 7. eccentric oscillating; 8. a rotating shaft; 9. a piston cylinder; 10. a water inlet hole; 11. an umbrella valve; 12. a water outlet bin body; 13. an elastic valve sealing baffle plate; 14. a water outlet hole; 15. a drainage cavity; 16. a communicating groove; 17. a balance cavity; 18. a closure cap; 19. fixedly connecting the sleeve body; 20. the flexible connection bending body; 21. embedding a convex ring; 22. connecting the partition boards; 23. a transition link; 24. sealing the top cover; 25. a water outlet end; 26. a spring member; 27. and a pump body end cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in FIG. 5, the existing membrane pump outlet end sealing member comprises a seal top cover 24 and a spring member 26, wherein the spring member 26 is connected between the seal top cover 24 and a pump body end cover 27, and the seal top cover 24 abuts against the outlet end 25, when the outlet end 25 is discharged outwards, the seal top cover 24 is pushed open by water pressure, and the spring member 26 is compressed and deformed in the process.

As shown in figures 1-4, a drip-proof diaphragm pump comprises a pump body 1, an upper end cover 5 is arranged at the top of the pump body 1, a water inlet 3 and a water outlet 4 are fixedly connected to the upper end cover 5, a transition connector 23 is fixedly butted at the bottom of the upper end cover 5, a connection partition 22 is fixedly butted between the transition connector 23 and the pump body 1, a water inlet 10 and a water outlet 14 are arranged on the connection partition 22, a communication cavity is arranged at a position corresponding to the transition connector 23 and used for communicating the water inlet 10 with the water inlet 3, one-way sealing components are arranged on the water inlet 10 and the water outlet 14, each one-way sealing component comprises an umbrella valve 11 and an elastic valve sealing baffle 13, the umbrella valve 11 is arranged on the connection partition 22 in a penetrating manner and is connected with the water inlet 10 in a matching manner and used for sealing the water inlet 10, one end of the elastic valve sealing baffle 13 is fixedly clamped on the connection partition 22, the other end is attached to a water outlet hole 14, a piston assembly is further arranged on a connecting partition plate 22, a water inlet hole 10 and the water outlet hole 14 are matched with the piston assembly, the piston assembly comprises a piston cylinder 9, the piston cylinder 9 is fixedly connected to the bottom of the connecting partition plate 22, a pin is arranged on the piston cylinder 9 and used for reciprocating fluid in the inner space of the piston cylinder 9, a rotary table 6 is arranged on the pin of the piston cylinder 9 in a matched mode, a rotary shaft 8 is connected onto the rotary table 6, a motor driving assembly which is matched and connected with the rotary shaft 8 is arranged at the bottom of a pump body 1 and comprises a driving motor 2, the driving motor 2 is fixedly connected to the bottom of the pump body 1, an eccentric swing head 7 is connected to a main shaft end of the driving motor 2, the rotary shaft 8 is connected with the eccentric swing head 7, the driving motor 2 drives the eccentric swing head 7 to rotate, and then drives the inner cavity of the piston cylinder 9 to perform reciprocating compression and stretching through the rotary shaft 8 and the rotary table 6, when the inner cavity space of the piston cylinder 9 is stretched to generate suction, the umbrella valve 11 opens the water inlet hole 10 due to the suction, the elastic valve sealing baffle 13 is tightly attached to the water outlet hole 14 due to the suction, water flow can conveniently enter the inner cavity of the piston cylinder 9, when the inner cavity space of the piston cylinder 9 is compressed to generate pressure, the umbrella valve 11 seals the water inlet hole 10 due to the pressure, the elastic valve sealing baffle 13 is tilted to open the water outlet hole 14 due to the pressure, water flow can be conveniently extruded, and water inlet and outlet actions can be realized;

a water outlet bin body 12 is fixedly arranged between a transition connecting body 23 and a connecting partition plate 22, the water outlet bin body 12 is a plastic body, a water drainage cavity 15 communicated with a water outlet nozzle 4 is arranged between the water outlet bin body 12 and the transition connecting body 23, the water drainage cavity 15 surrounds the water outlet bin body 12, the top of the water outlet bin body 12 is provided with an opening, an elastic rubber sealing cover component is arranged between the top of the water outlet bin body 12 and the transition connecting body 23 and comprises a fixedly connected sleeve body 19, the fixedly connected sleeve body 19 is fixedly connected to the transition connecting body 23, a sealing cover 18 attached to the top of the water outlet bin body 12 is arranged on the fixedly connected sleeve body 19, an elastic connecting bent body 20 is connected between the sealing cover 18 and the fixedly connected sleeve body 19, an embedded convex ring 21 is arranged at the top of the water outlet bin body 12, when the diaphragm pump operates, water extruded from a water outlet hole 14 enters the water outlet bin body 12, then the water flow pushes the sealing cover 18, the sealing cover 18 rises by means of the bending deformation of the elastic connecting bent body 20, the water outlet bin body 12 is opened, water flow can conveniently enter the water outlet cavity 15, and then is discharged through the water outlet nozzle 4;

a balance cavity 17 is arranged above the elastic rubber sealing cover component, and a communicating groove 16 communicated with the water inlet nozzle 3 is arranged on one side of the balance cavity 17;

when the diaphragm pump shut down, the laminating of elastic rubber seal cover subassembly is sealed in the top port department of the storehouse body 12 that goes out, when liquid passes through inlet tap 3 and gets into the diaphragm pump, because the existence of intercommunication groove 16, make things convenient for in the balanced cavity 17 of the sealed lid subassembly top of elastic rubber of partly water entering, the water of another part then gets into inside the diaphragm pump, after the diaphragm pump is inside to be filled with water, balanced cavity 17 is unanimous with the inside water pressure of diaphragm pump, reach the balance, so it is big no matter how big to intake end pressure, the water outlet end can not appear the phenomenon of dripping.

The utility model discloses a theory of operation: the driving motor 2 drives the eccentric swing head 7 to rotate, then the rotating shaft 8 and the rotating disc 6 drive the inner cavity of the piston cylinder 9 to be compressed and stretched in a reciprocating mode, when the inner cavity space of the piston cylinder 9 stretches to generate suction, the umbrella valve 11 opens the water inlet hole 10 due to the suction, the elastic valve sealing baffle 13 is tightly attached to the water outlet hole 14 due to the suction, water flows can enter the inner cavity of the piston cylinder 9 conveniently, when the inner cavity space of the piston cylinder 9 compresses to generate pressure, the umbrella valve 11 seals the water inlet hole 10 due to the pressure, the elastic valve sealing baffle 13 tilts to open the water outlet hole 14 due to the pressure, the water flows can be extruded conveniently, the water extruded from the water outlet hole 14 enters the water outlet bin body 12, then the water flows push the sealing cover 18, the sealing cover 18 is lifted by means of bending deformation of the elastic connecting bending body 20, the water outlet bin body 12 is opened, and therefore the water flows can enter the water drainage cavity 15 conveniently and then are discharged through the water outlet nozzle 4;

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims

1. A drip-proof diaphragm pump comprises a pump body (1), wherein an upper end cover (5) is arranged at the top of the pump body (1), a water inlet nozzle (3) and a water outlet nozzle (4) are connected onto the upper end cover (5), a transition connector (23) is arranged at the bottom of the upper end cover (5), a connecting partition plate (22) is arranged between the transition connector (23) and the pump body (1), a water inlet hole (10) and a water outlet hole (14) are formed in the connecting partition plate (22), the water inlet hole (10) is communicated with the water inlet nozzle (3), one-way sealing components are arranged on the water inlet hole (10) and the water outlet hole (14), a piston component is further arranged on the connecting partition plate (22), and the water inlet hole (10) and the water outlet hole (14) are matched with the piston component; be provided with out the storehouse body (12) between transition connector (23) and connection baffle (22), it is the plastic body to go out the storehouse body (12), go out be provided with between the storehouse body (12) and the transition connector (23) with water outlet nozzle (4) intercommunication arrange water chamber (15), the top of the storehouse body of going out (12) is the opening, its characterized in that, be provided with the sealed lid subassembly of elasticity rubber between the top of the storehouse body of going out (12) and the transition connector (23), the sealed lid subassembly top of elasticity rubber is provided with balanced cavity (17), one side of balanced cavity (17) be provided with intercommunication groove (16) that intake nozzle (3) communicate.

2. The drip-proof diaphragm pump according to claim 1, wherein the elastic rubber sealing cover assembly comprises a fixed connection sleeve body (19), the fixed connection sleeve body (19) is connected to the transition connection body (23), a sealing cover (18) attached to the top of the water outlet bin body (12) is arranged on the fixed connection sleeve body (19), and an elastic connection bent body (20) is connected between the sealing cover (18) and the fixed connection sleeve body (19).

3. The drip-proof diaphragm pump according to claim 2, wherein the top of the water outlet cartridge body (12) is provided with a fitting convex ring (21), and the fitting convex ring (21) is fitted on the bottom of the closing cover (18).

4. A drip-proof diaphragm pump according to claim 1, wherein the one-way sealing assembly comprises an umbrella valve (11) and an elastic valve sealing flap (13), the umbrella valve (11) is disposed on the connecting partition (22) and is fittingly connected with the water inlet hole (10), one end of the elastic valve sealing flap (13) is connected to the connecting partition (22), and the other end of the elastic valve sealing flap is attached to the water outlet hole (14).

5. A drip-proof membrane pump according to claim 1, characterized in that the piston assembly comprises a piston cylinder (9), the piston cylinder (9) is connected to the bottom of the connecting partition (22), and the piston cylinder (9) is provided with pins, the pins of the piston cylinder (9) are provided with a rotating disc (6) in a matching manner, and the rotating disc (6) is connected with a rotating shaft (8); the bottom of the pump body (1) is provided with a motor driving assembly which is connected with the rotating shaft (8) in a matching way.

6. A drip proof membrane pump according to claim 5, characterized in that the motor driving assembly comprises a driving motor (2), the driving motor (2) is connected to the bottom of the pump body (1), the spindle end of the driving motor (2) is connected to an eccentric swing head (7), and the rotating shaft (8) is connected to the eccentric swing head (7).