Electromagnetic pump

Abstract

The utility model discloses an electromagnetic pump which comprises a water inlet structure, a water outlet structure and a plunger, the water inlet structure is connected with the water outlet structure in a sealed mode, a water cavity is formed between the water inlet structure and the water outlet structure, the water inlet structure is provided with a water inlet channel communicated with the water cavity, and the plunger is arranged in the water inlet channel. The water outlet structure is provided with a water outlet channel communicated with the water cavity, the plunger is movably arranged in the water cavity, and the plunger is of a hollow structure with the two ends open. Wherein the water inlet structure is of an integrated structure, and the water outlet structure is of an integrated structure. Only one sealing structure needs to be arranged, the risk of water leakage is reduced, the number of parts is reduced, and assembling is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic pump especially relates to a kind of electromagnetic pump. BACKGROUND

[0002] Electromagnetic pump is widely used due to convenient control, simple manufacture and easy to realize small size, and is used in current hand-held steam brush, small coffee machine and other products.

[0003] Currently on market, the sleeve of electromagnetic pump is sealed to install inlet structure and outlet structure respectively, thereby needing to do the sealing structure of two places, reciprocating motion of plunger in sleeve in the process of use, and water leakage risk is greater, and the quantity of parts is more, cause the problem of complicated assembly process, not conducive to the promotion and use of pump. UTILITY MODEL CONTENT

[0004] In view of the above problems existing in the prior art electromagnetic pump, the utility model is provided to reduce the position of sealing structure, reduce the risk of water leakage, reduce parts and facilitate assembly.

[0005] The specific technical scheme is as follows:

[0006] An electromagnetic pump, comprising: water inlet structure, water outlet structure and plunger, the water inlet structure is sealingly connected with the water outlet structure, a water cavity is formed between the water inlet structure and the water outlet structure, the water inlet structure is provided with a water inlet channel communicated with the water cavity, the water outlet structure is provided with a water outlet channel communicated with the water cavity, the plunger is movably arranged in the water cavity, and the plunger is a hollow structure with open ends.

[0007] Among them, the water inlet structure is an integral structure, and the water outlet structure is an integral structure.

[0008] The above-mentioned electromagnetic pump, wherein the outer wall of the plunger and the inner wall of the water cavity are in sliding fit, the plunger is connected with a water inlet plug through a water inlet elastic element, and the water inlet plug is in sealing fit with the water outlet port of the plunger.

[0009] The above-mentioned electromagnetic pump, wherein one end of the plunger is in abutment with the inner wall of the water inlet structure through a first plunger elastic element, and the other end of the plunger is in abutment with the inner wall of the water outlet structure through a second plunger elastic element.

[0010] The above-mentioned electromagnetic pump, wherein a guide head is arranged in the water cavity, the guide head has a water passing channel therein, and the water passing channel is communicated with the water inlet channel.

[0011] The above-mentioned electromagnetic pump, wherein the water inlet port of the plunger has a flared structure on the lateral side, the end of the guide head has a constricted structure, and the flared structure and the constricted structure are in guiding fit.

[0012] The electromagnetic pump, wherein the water cavity is provided with a partition ring abutting against the water outlet structure, and two ends of the second plunger elastic member are respectively abutted against the partition ring and the plunger.

[0013] The electromagnetic pump, wherein the side wall of the plunger has at least one through hole in communication with the inside.

[0014] The electromagnetic pump, wherein the drainage passage is provided with a drainage plug and a drainage elastic member, and the drainage plug is in sealing cooperation with the drainage passage through the drainage elastic member.

[0015] The electromagnetic pump, further comprising a cover shell mounted outside the connection between the water inlet structure and the water outlet structure, and the cover shell is in sealing cooperation with the connection.

[0016] The electromagnetic pump, further comprising an electromagnetic structure mounted on the water inlet structure, and the electromagnetic structure is fixedly connected with the cover shell.

[0017] The electromagnetic pump, wherein,

[0018] The technical scheme has the following advantages compared with the prior art:

[0019] The water inlet structure and the water outlet structure are of integral structure, and only the connection between the water inlet structure and the water outlet structure is in sealing cooperation, so that only one sealing structure is needed, the risk of water leakage is reduced, the number of parts is reduced, and assembly is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 FIG. 1 is a schematic diagram of the overall structure of the electromagnetic pump of the present application;

[0021] Fig. 2 FIG. 4 is an enlarged view of the connection between the water inlet structure and the water outlet structure of the electromagnetic pump of the present application;

[0022] Fig. 3 FIG. 4 is an enlarged view of the connection between the water inlet structure and the water outlet structure of the electromagnetic pump of the present application;

[0023] In the drawing: 1, water inlet structure; 2, water outlet structure; 3, plunger; 4, water cavity; 5, water inlet channel; 6, water outlet channel; 7, sealing ring; 8, convex ring; 9, water inlet elastic piece; 10, water inlet plug; 11, first plunger elastic piece; 12, second plunger elastic piece; 13, guide head; 14, water passing channel; 15, positioning ring; 16, positioning groove; 17, flared structure; 18, constricted structure; 19, partition ring; 20, step; 21, through hole; 22, drainage plug; 23, drainage elastic piece; 24, drainage port; 25, mounting seat; 26, cover; 27, clasp; 28, clamping groove; 29, coil; 30, support. DETAILED DESCRIPTION

[0024] The utility model will be further explained in connection with the drawing and specific embodiment, but not as the limitation of the utility model.

[0025] As Figs. 1 to 3 shown, an electromagnetic pump of a preferred embodiment is shown, comprising: water inlet structure 1, water outlet structure 2 and plunger 3, water inlet structure 1 is sealedly connected with water outlet structure 2, and water cavity 4 is formed between water inlet structure 1 and water outlet structure 2, water inlet structure 1 is provided with water inlet channel 5 in communication with water cavity 4, water outlet structure 2 is provided with water outlet channel 6 in communication with water cavity 4, plunger 3 is movably arranged in water cavity 4, and plunger 3 is a hollow structure with open ends.

[0026] Further, as a preferred embodiment, wherein water inlet structure 1 is an integral structure, and water outlet structure 2 is an integral structure.

[0027] Preferably, the connection between water inlet structure 1 and water outlet structure 2 is sealingly fitted.

[0028] Preferably, at least one sealing ring 7 is arranged at the connection between water inlet structure 1 and water outlet structure 2.

[0029] Preferably, water outlet structure 1 has a convex ring 8, and the sealing ring 7 is clamped between the convex ring 8, the outer side of water outlet structure 2 and the inner side of water inlet structure 1.

[0030] Further, as a preferred embodiment, the outer wall of plunger 3 is slidingly fitted with the inner wall of water cavity 4.

[0031] Preferably, the outer wall of plunger 3 is sealingly fitted with the inner wall of water cavity 4.

[0032] Preferably, at least one sealing ring 7 is arranged between the outer wall of plunger 3 and the inner wall of water cavity 4, and the sealing ring 7 is sealingly fitted with the outer wall of the outlet end of plunger 3.

[0033] Further, as a preferred embodiment, water inlet plug 10 is connected to plunger 3 through water inlet elastic piece 9, and water inlet plug 10 is sealingly fitted with the water outlet of plunger 3.

[0034] Preferably, the water inlet elastic member 9 is a tension spring, one end of which is connected to the inner wall of the plunger, and the other end of which is connected to the water inlet plug.

[0035] Further, as a preferred embodiment, one end of the plunger 3 is abutted against the inner wall of the water inlet structure 1 through the first plunger elastic member 11, and the other end of the plunger 3 is abutted against the inner wall of the water outlet structure 2 through the second plunger elastic member 12.

[0036] Preferably, the first plunger elastic member 11 and the second plunger elastic member 12 are both springs.

[0037] The above is only a preferred embodiment of the present application, and does not limit the implementation and protection scope of the present application.

[0038] The present application has the following implementation based on the above:

[0039] In a further embodiment of the present application, please continue to refer to Figs. 1 to 3 As shown in the figure, the water cavity 4 is provided with a guide head 13, the guide head 13 has a water passing channel 14 therein, and the water passing channel 14 is in communication with the water inlet channel 5.

[0040] Preferably, the water inlet structure 1 is provided with a positioning ring 15 on the side of the water inlet channel 5, the guide head 13 has a positioning groove 16 on the upper portion thereof, and the positioning ring 15 is positioned and matched with the positioning groove 16.

[0041] In a further embodiment of the present application, the side of the water inlet of the plunger 3 has an expanding structure 17, the end of the guide head 13 has a necking structure 18, and the expanding structure 17 is guided and matched with the necking structure 18.

[0042] Preferably, the expanding structure 17 and the necking structure 18 are both tapered inclined surfaces.

[0043] In a further embodiment of the present application, the water cavity 4 is provided with a partition ring 19, the partition ring 19 is abutted against the water outlet structure 2, and the two ends of the second plunger elastic member 12 are respectively abutted against the partition ring 19 and the plunger 3.

[0044] Preferably, the inner periphery of the water inlet structure 1 has a step 20, one side of the partition ring 19 is abutted against the end of the water outlet structure 2, the other side of the partition ring 19 is abutted against the step 20, and the outer wall of the partition ring 19 is abutted against the inner wall of the water inlet structure 1,

[0045] Preferably, the sealing ring 7 on the inner wall of the water cavity 4 is located between the water outlet structure 2 and the partition ring 19.

[0046] In a further embodiment of the present application, the side wall of the plunger 3 has at least one through hole 21 which is in communication with the inside.

[0047] Preferably, the sealing position of the plunger 3 and the inner wall of the water cavity 4 is located between the water outlet of the plunger 3 and the through hole 21.

[0048] In a further embodiment of the utility model, the drainage passage 6 is provided with a drainage plug 22 and a drainage elastic element 23, the drainage plug 22 is sealed and matched with the drainage passage 6 through the drainage elastic element 23.

[0049] Preferably, the drainage elastic element 23 is a spring.

[0050] Preferably, one end of the drainage passage 6 connected with the water cavity is a drainage port 24, and the drainage plug 22 is sealed and matched with the drainage port 24.

[0051] Preferably, the drainage passage 6 is provided with a detachable mounting seat 25, and the two ends of the drainage elastic element 23 are respectively abutted between the mounting seat 25 and the drainage plug 22.

[0052] Preferably, the mounting seat 25 is screw-connected with the inner wall of the drainage passage 6.

[0053] In a further embodiment of the utility model, the electromagnetic pump further comprises: a cover shell 26, the cover shell 26 is installed on the outer side of the connecting position of the water inlet structure 1 and the water outlet structure 2, and the cover shell 26 is sealed and matched with the connecting position.

[0054] Preferably, the cover shell 26 is sleeved on the water outlet structure 2, and a sealing ring 7 is arranged between the cover shell 26 and the convex ring 8.

[0055] In addition, the water inlet structure 1 is provided with a clamping ring 27 on the outer periphery, the inner wall of the cover shell 26 is provided with a clamping groove 28, and the clamping ring 27 is clamped with the clamping groove 28.

[0056] In a further embodiment of the utility model, the electromagnetic pump further comprises: an electromagnetic structure, the electromagnetic structure is installed on the water inlet structure 1, and the electromagnetic structure is fixedly connected with the cover shell 26.

[0057] Preferably, the electromagnetic structure comprises: a coil 29 and a support 30, the support 30 is arranged on the outer side of the water inlet structure 1, the coil 29 is arranged between the support 30 and the water inlet structure 1, and the support 30 is fixedly connected with the cover shell 26.

[0058] The utility model discloses since the water inlet structure 1 is the integral type structure, the water outlet structure 2 is the integral type structure, only the connecting position of the water inlet structure 1 and the water outlet structure 2 is sealed and matched, only one sealing structure needs to be arranged, reduces the risk of water leakage, and the number of parts is reduced, and assembly is facilitated.

[0059] The above merely describes preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. For those skilled in the art, it should be understood that any equivalent substitutions and obvious changes made according to the content of the present application description and drawings should be included in the protection scope of the present application.

Claims

1. An electromagnetic pump, characterized by The utility model provides a water pump, including: water inlet structure, water outlet structure and plunger, water inlet structure and water outlet structure sealed connection, water inlet structure and water outlet structure between form water cavity, water inlet structure is equipped with water inlet channel with water cavity intercommunication, water outlet structure is equipped with water outlet channel with water cavity intercommunication, plunger activity is equipped in water cavity, and the plunger is hollow structure of two ends open, Wherein, the water inlet structure is an integral structure, and the water outlet structure is an integral structure.

2. The electromagnetic pump of claim 1, wherein, The outer wall of the plunger and the inner wall of the water cavity are in sliding fit, and the plunger is connected with a water inlet plug through a water inlet elastic element, and the water inlet plug is in sealing fit with the water outlet port of the plunger.

3. The electromagnetic pump of claim 1, wherein, One end of the plunger is in abutment with the inner wall of the water inlet structure through a first plunger elastic element, and the other end of the plunger is in abutment with the inner wall of the water outlet structure through a second plunger elastic element.

4. The electromagnetic pump of claim 1, wherein, The water cavity is provided with a guide head, the guide head has a water passing channel, and the water passing channel is in communication with the water inlet channel.

5. The electromagnetic pump of claim 4, wherein, The water inlet port of the plunger has a flared structure on the circumferential side, the end of the guide head has a constricted structure, and the flared structure and the constricted structure are in guiding fit.

6. The electromagnetic pump of claim 3, wherein, The water cavity is provided with a partition ring, the partition ring is in abutment with the water outlet structure, and the two ends of the second plunger elastic element are in abutment with the partition ring and the plunger respectively.

7. The electromagnetic pump of claim 1, wherein, The side wall of the plunger has at least one through hole in communication with the inside.

8. The electromagnetic pump of claim 1, wherein, The drainage channel is provided with a drainage plug and a drainage elastic element, and the drainage plug is in sealing fit with the drainage channel through the drainage elastic element.

9. The electromagnetic pump of claim 1, wherein, Further comprising: A cover is mounted on the outside of the connection between the water inlet structure and the water outlet structure, and the cover is in sealing fit with the connection.

10. The electromagnetic pump of claim 9, wherein, Further comprising: An electromagnetic structure is mounted on the water inlet structure, and the electromagnetic structure is in fixed connection with the cover.

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