CN219197601U

CN219197601U - Miniature electromagnetic diaphragm pump

Info

Publication number: CN219197601U
Application number: CN202320022593.6U
Authority: CN
Inventors: 洪光亮; 李远生
Original assignee: Zhejiang Duojia Electromechanical Technology Co ltd
Current assignee: Zhejiang Duojia Electromechanical Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-16
Anticipated expiration: 2033-01-05

Abstract

The utility model provides a miniature electromagnetic diaphragm pump, which comprises a pump body and a pump core movably arranged in the pump body, wherein a diaphragm is arranged in the pump body, the end part of the pump core is connected with the center of the diaphragm, a water inlet pipe and a water outlet pipe are arranged at the end part of the pump body in parallel, and a water storage bin is arranged at one side of the diaphragm and is communicated with the water inlet pipe and the water outlet pipe; the end face of the diaphragm is arc-shaped, a thin wall is formed around the diaphragm, an arc-shaped notch is formed in the position, facing the pump core, of the diaphragm in a concave mode, and the tail end of the pump body is hollow and communicated with the pump core. The miniature electromagnetic diaphragm pump provided by the utility model has the advantages that the friction between the O-shaped ring and the inner wall of the magnetism isolating pipe is avoided, the pump core of the pump can automatically guide and centralize in the reciprocating motion, the uncertain motion resistance is fully avoided, the stability of the water outlet flow is improved, the stretching amount of the diaphragm is increased, the volume of the water storage bin of the pump body is further increased, the reciprocating motion stroke of the pump core is also increased, and the water outlet pressure of the miniature electromagnetic diaphragm pump is greatly improved.

Description

Miniature electromagnetic diaphragm pump

Technical Field

The utility model relates to the technical field of electromagnetic diaphragm pumps, in particular to a miniature electromagnetic diaphragm pump.

Background

When the electromagnetic diaphragm pump works, the flow of fluid is regulated, and the magnetic field generated by electrifying the coil realizes that the pump core drives the diaphragm to move, and the fluid is sucked into the diaphragm pump by utilizing the pressure difference and then discharged. The electromagnetic diaphragm pump has one sealed cavity with diaphragm and core seat, and the diaphragm has one pressure smaller than the outer atmosphere to form fluid sucking function. The patent with the application number of CN202123250911.4 discloses an electromagnetic diaphragm pump which comprises a magnetism isolating pipe, a pump core, a diaphragm and a pump core seat, wherein the diaphragm is arranged between the magnetism isolating pipe and the pump core seat, the pump core is movably arranged in the magnetism isolating pipe, and the diaphragm is arranged at one end of the pump core towards the pump core seat; the magnetism isolating pipe is provided with a vent hole, the position of the vent hole on the magnetism isolating pipe corresponds to the joint of the pump core and the diaphragm, and the magnetism isolating pipe can be communicated with the outside air through the vent hole; the electromagnetic diaphragm pump has the problems that the surface temperature is too high, the thermal attenuation performance of the water pump is poor, the water outlet flow is unstable and the water outlet pressure is small due to long-time work of the electromagnetic coil.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the problem of providing a miniature electromagnetic diaphragm pump so as to overcome the defects of unstable water flow and small water yield of the electromagnetic diaphragm pump in the prior art.

(II) technical scheme

In order to solve the technical problems, the utility model provides a miniature electromagnetic diaphragm pump which comprises a pump body and a pump core movably arranged in the pump body, wherein a diaphragm is arranged in the pump body in a positioning way, the end part of the pump core is connected with the center of the diaphragm, a water inlet pipe and a water outlet pipe are arranged at the end part of the pump body in parallel, a water storage bin is arranged at one side of the diaphragm, and the water storage bin is communicated with the water inlet pipe and the water outlet pipe; the end face of the diaphragm is arc-shaped, a thin wall is formed around the diaphragm, an arc-shaped notch is formed in the position, facing the pump core, of the diaphragm in a concave mode, and the tail end of the pump body is hollow and communicated with the pump core; the pump core moves back and forth to drive the center of the diaphragm to deform and squeeze the water storage bin so as to realize water inlet and water outlet, the notch enables the deformation amplitude of the diaphragm to be increased, so that the water outlet quantity is improved, the tail end of the pump body is hollow, air generated in the pump body is conveniently discharged, and the pump core is guided; the resistance to the reciprocating movement of the pump core is reduced; and meanwhile, noise generated by collision between the pump core and the inner wall of the magnetism isolating pipe is avoided.

Further, a movable cavity is arranged in the pump body, the pump core is arranged in the movable cavity, a positioning seat is arranged in the movable cavity, a reset spring is arranged on the positioning seat, and the other end of the reset spring is sleeved on the positioning part of the pump core; the end of the pump body is provided with a vent hole, and the vent hole penetrates through the positioning part to be communicated with the movable cavity.

Furthermore, the pump core is provided with a connecting part with a T-shaped cross section, the diaphragm is provided with a corresponding connecting groove, and the pump body is positioned at the thin wall and symmetrically provided with avoiding grooves.

Further, a pump core seat is arranged in the pump body, the diaphragm is fixed in the pump body through the pump core seat, and a water guide channel penetrating through the water storage bin is arranged in the pump core seat.

Further, the water inlet pipe with the outlet pipe department all installs the check head, the water inlet end opening of check head is greater than the play water end, and its inside is the funnel form, the check head forward setting of inlet pipe department, the check head reverse setting of outlet pipe department.

(III) beneficial effects

According to the miniature electromagnetic diaphragm pump provided by the utility model, the arrangement of the O-shaped ring at the pump core is canceled, the diameter of the pump core is increased, the magnetic flux is effectively increased, so that the flow is improved, meanwhile, the friction between the O-shaped ring and the inner wall of the magnetism isolating pipe is avoided, the temperature rise after the water pump works for a long time is reduced, the pump core of the water pump can be automatically guided and centered in the reciprocating motion, no matter whether the water pump is horizontally placed or vertically placed, the pump core cannot collide with the inner wall of the magnetism isolating pipe, the uncertain motion resistance is fully avoided, the stability of the water outlet flow is improved, the stretching amount of the diaphragm is increased, the volume of a pump body water storage bin is increased, meanwhile, the reciprocating motion stroke of the pump core is also increased, the thrust of the electromagnetic force of the coil and the reciprocating motion of the pump core is stabilized, and the water outlet pressure of the miniature electromagnetic diaphragm pump is greatly improved.

Drawings

FIG. 1 is a perspective view of a miniature electromagnetic diaphragm pump of the present utility model;

FIG. 2 is a cross-sectional view of a miniature electromagnetic diaphragm pump of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 of a miniature electromagnetic diaphragm pump according to the present utility model;

fig. 4 is an enlarged view of portion B of fig. 2 of a miniature electromagnetic diaphragm pump according to the present utility model.

The corresponding component names for each reference number in the figures are: 1. a pump body; 2. a pump core; 3. a membrane; 4. a water inlet pipe; 5. a water outlet pipe; 6. a water storage bin; 7. a thin wall; 8. a notch; 9. a movable cavity; 10. a positioning seat; 11. a return spring; 12. a positioning part; 13. a vent hole; 14. a connection part; 15. a connecting groove; 16. an avoidance groove; 17. a pump core seat; 18. a water guide channel; 19. and stopping the process.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1-4, the utility model provides a miniature electromagnetic diaphragm pump, which comprises a pump body 1 and a pump core 2 movably arranged in the pump body 1, wherein a diaphragm 3 is arranged in the pump body 1, the end part of the pump core 2 is connected with the center of the diaphragm 3, a water inlet pipe 4 and a water outlet pipe 5 are arranged at the end part of the pump body 1 in parallel, a water storage bin 6 is arranged at one side of the diaphragm 3, and the water storage bin 6 is communicated with the water inlet pipe 4 and the water outlet pipe 5; specifically, a movable cavity 9 is arranged in the pump body 1, the pump core 2 is arranged in the movable cavity 9, a positioning seat 10 is arranged in the movable cavity 9, a reset spring 11 is arranged on the positioning seat 10, the other end of the reset spring 11 is sleeved on a positioning part 12 of the pump core 2, the pump core 2 reciprocates in the movable cavity 9 and drives the center of the diaphragm 3 to deform and then protrude and shrink, so that external water is conveyed into the water storage bin 6 through the water inlet pipe 4 and then is sent out through the water outlet pipe 5, the traditional movable iron core and noise reduction O-shaped ring structure is changed into a polished rod pump core without the O-shaped ring in the pump body 1, the diameter of the pump core is increased to the greatest extent, the magnetic flux is increased, the electromagnetic force generated by the electromagnetic coil is converted into water pump power to the greatest extent, the heating loss is reduced, the water yield is improved, and the water outlet is more stable; in the embodiment, the end surface of the diaphragm 3 is arc-shaped, and a thin wall 7 is formed around the diaphragm, so that the volume of the water storage bin 6 is increased, the water spraying amount is increased, an arc-shaped notch 8 is formed in the position, facing the pump core 2, of the diaphragm 3 in a concave manner, and the notch 8 is matched with the thin wall 7, so that the deformation amplitude of the diaphragm 3 is larger, and the pressure is improved; the tail end cavity of the pump body 1 of the diaphragm 3 is communicated with the pump core 2, specifically, the end part of the pump body 1 is provided with a vent hole 13, the vent hole 13 penetrates through the positioning part 12 to be communicated with the movable cavity 9, the vent hole 13 enables air to enter the pipe from the bottom continuously in the water pump movement process, air to enter and exit around the pump core 2, and meanwhile, the function of guiding the reciprocating motion of the pump core 2 is achieved, and the phenomenon that the pump core 2 and the inner wall of the movable cavity 9 are scratched to generate resistance and noise is avoided.

Referring to fig. 2 and 3, in this embodiment, a connecting portion 14 with a T-shaped cross section is provided on a pump core 2, a corresponding connecting groove 15 is provided on a diaphragm 3, stable connection is achieved by cooperation of the connecting portion 14 and the connecting groove 15, avoidance grooves 16 are symmetrically provided at a position of a thin wall 7 of a pump body 1, so that a movement distance of the diaphragm 3 is further enlarged, a pump core seat 17 is mounted in the pump body 1, the diaphragm 3 is fixed in the pump body 1 through the pump core seat 17, a water guide channel 18 penetrating through a water storage bin 6 is provided in the pump core seat 17, and a water inlet pipe 4, a water outlet pipe 5 and the water storage bin 6 are communicated through the pump core seat 17; the water inlet pipe 4 and the water outlet pipe 5 are provided with the check heads 19, the opening of the water inlet end of the check heads 19 is larger than the water outlet end, the inside of the check heads is funnel-shaped, the check heads 19 at the water inlet pipe 4 are positively arranged, the check heads 19 at the water outlet pipe 5 are reversely arranged, so that water at the water inlet pipe 4 can only flow to the water storage bin 6, water cannot flow back from the water storage bin 6, and water in the water storage bin 6 can only flow to the water outlet pipe 5.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a miniature electromagnetic diaphragm pump, includes pump body (1) and movable mounting pump core (2) in pump body (1), its characterized in that: the water pump is characterized in that a diaphragm (3) is positioned and installed in the pump body (1), the end part of the pump core (2) is connected with the center of the diaphragm (3), a water inlet pipe (4) and a water outlet pipe (5) are arranged at the end part of the pump body (1) in parallel, a water storage bin (6) is arranged at one side of the diaphragm (3), and the water storage bin (6) is communicated with the water inlet pipe (4) and the water outlet pipe (5); the end face of the diaphragm (3) is arc-shaped, a thin wall (7) is formed around the diaphragm, an arc-shaped notch (8) is concavely formed at the position, facing the pump core (2), of the diaphragm (3), and the tail end of the pump body (1) is hollow and communicated with the pump core (2).

2. The miniature electromagnetic diaphragm pump of claim 1, wherein: the novel pump is characterized in that a movable cavity (9) is arranged in the pump body (1), the pump core (2) is arranged in the movable cavity (9), a positioning seat (10) is arranged in the movable cavity (9), a return spring (11) is arranged on the positioning seat (10), and the other end of the return spring (11) is sleeved on a positioning part (12) of the pump core (2).

3. The miniature electromagnetic diaphragm pump of claim 2, wherein: the end part of the pump body (1) is provided with a vent hole (13), and the vent hole (13) penetrates through the positioning part (12) to be communicated with the movable cavity (9).

4. The miniature electromagnetic diaphragm pump of claim 1, wherein: the pump core (2) is provided with a connecting part (14) with a T-shaped cross section, and the diaphragm (3) is provided with a corresponding connecting groove (15).

5. The miniature electromagnetic diaphragm pump of claim 1, wherein: the pump body (1) is symmetrically provided with avoidance grooves (16) at the thin wall (7).

6. The miniature electromagnetic diaphragm pump of claim 1, wherein: the pump body (1) is internally provided with a pump core seat (17), and the diaphragm (3) is fixed in the pump body (1) through the pump core seat (17).

7. The miniature electromagnetic diaphragm pump of claim 6, wherein: a water guide channel (18) penetrating through the water storage bin (6) is arranged in the pump core seat (17).

8. The miniature electromagnetic diaphragm pump of claim 1, wherein: the water inlet pipe (4) and the water outlet pipe (5) are provided with a check head (19).

9. The miniature electromagnetic diaphragm pump of claim 8, wherein: the water inlet end opening of the check head (19) is larger than the water outlet end, the inside of the check head is funnel-shaped, the check head (19) at the water inlet pipe (4) is arranged in the forward direction, and the check head (19) at the water outlet pipe (5) is arranged in the reverse direction.