An electromagnetic pump that solves the problem of water outlet blockage.
By setting a pin mechanism on the side wall of the water outlet structure of the electromagnetic pump, the problem of water outlet plug sticking is solved, which realizes reliable use and easy operation of the pump and reduces manufacturing costs.
Patent Information
- Application Number
- CN202610193487.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-10
- Publication Date
- 2026-05-26
AI Technical Summary
The existing plunger-type electromagnetic pump's outlet structure is prone to sticking, which causes the pump to stop pumping water and is inconvenient to use, affecting its service life and operational complexity.
A pin mechanism is installed on the side wall of the water outlet structure, including a sleeve, a pin, and a return spring. By pressing the pin, the water outlet plug is released from the adhesion between the plug and the sleeve, thus achieving automatic reset of the plug.
It effectively solves the problem of pump failure caused by water outlet plug sticking, avoids pump performance failure, has a simple structure, is easy to operate, and reduces manufacturing costs.
Smart Images

Figure CN122082956A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the technical field of electromagnetic pumps, and more particularly to an electromagnetic pump that solves the problem of outlet blockage adhesion. Background Technology
[0002] Electromagnetic pumps can be used in a wide range of fields, including pressure coffee machines, capsule coffee machines, steam mops, carpet cleaners, steam cleaners, steam irons, steam brushes, automatic beverage machines, cooling systems in industrial fields, water treatment systems, and medical equipment. Therefore, optimizing their structure has become a current research direction.
[0003] Currently, existing plunger-type electromagnetic pumps require storage after use. If the equipment is not used for a period of time or is stored in a warehouse after production, the outlet plug, which functions as a one-way valve, is prone to sticking to its mating parts. This causes the outlet plug to malfunction and the pump to stop pumping water upon reuse, leading to pump performance failure and shortening its lifespan. Furthermore, the existing design makes it difficult to separate the outlet plug from its mating parts, resulting in inconvenient operation, complex structure, and hindering product use and promotion. Summary of the Invention
[0004] In view of this, the purpose of the present invention is to provide an electromagnetic pump that solves the problem of water outlet plug sticking. A pin mechanism is provided on the side wall of the water outlet structure to solve the problem of the pump not working and not pumping water when the water outlet plug sticks during reuse, thereby avoiding the risk of pump performance failure. At the same time, the side pin mechanism can be easily adjusted by the user, has a simple structure, low manufacturing cost, and is more conducive to the use and popularization of the product.
[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows: An electromagnetic pump for resolving outlet plug adhesion includes: an inlet structure, an electromagnetic structure, and an outlet structure. One end of the inlet structure is connected to one end of the outlet structure, and the electromagnetic structure is sleeved outside the inlet structure. A sleeve with a water hole is provided between the inlet structure and the outlet structure. An outlet plug that reciprocates along the direction from the inlet structure to the outlet structure is provided inside the outlet structure. The pump includes: a pin mechanism on the side wall of the outlet structure, the pin mechanism including: a sleeve and a pin and a return spring disposed therein, the pin moving radially along the outlet plug, and the return spring abutting between the pin and the outer side of the outlet structure. After the pin pushes the outlet plug, it is reset by the return spring, thus detaching the outlet plug from the inlet structure.
[0006] The aforementioned electromagnetic pump for resolving outlet plug adhesion includes an outlet structure sidewall with a through hole communicating with the inside of the sleeve, through which the end of the ejector pin passes; the central axis of the through hole is arranged radially along the outlet plug.
[0007] The aforementioned electromagnetic pump for resolving water outlet blockage includes a convex ring on the outer side of the ejector pin, which slides against the inner wall of the sleeve. One side of the convex ring has a first step, and the other side has a second step. A return spring is located on the outer side of the ejector pin, with its two ends abutting against the first step and the outer wall of the water outlet structure, respectively. A retaining spring is provided on the sleeve, which engages with the second step for limiting movement.
[0008] In the aforementioned electromagnetic pump for resolving outlet blockage adhesion, the outer wall of the convex ring has an annular groove, and a sealing ring is provided in the annular groove, which is in a sealing fit with the inner wall of the sleeve.
[0009] In the aforementioned electromagnetic pump for resolving water outlet blockage adhesion, the sleeve has a through-hole along its side, and the retaining spring is inserted into the through-hole.
[0010] The aforementioned electromagnetic pump for resolving outlet plug adhesion includes a retaining ring within the outlet structure, and a tower-shaped spring between the retaining ring and the outlet plug.
[0011] The aforementioned electromagnetic pump for resolving water outlet blockage includes an inlet structure comprising an inlet pipe, an inlet connector, a pump core, an inlet plug, a first spring, a second spring, and a third spring. One end of the inlet pipe is fitted with the inlet connector, and the other end of the inlet pipe abuts against the sleeve via an mounting ring. The pump core, which reciprocates along the axial direction of the inlet pipe, is located inside the other end of the inlet pipe. The first spring is positioned between the pump core and the inlet connector, and the second spring is positioned between the pump core and the mounting ring. The pump core is hollow along its axial direction, and the inlet plug is located at the hollow opening at the end of the pump core opposite to the inlet connector. The third spring is located inside the hollow of the pump core and holds the inlet plug in place. The end of the pump core with the inlet plug extends out of the inlet pipe, and the sleeve is fitted onto the end of the pump core extending out of the inlet pipe.
[0012] The aforementioned electromagnetic pump for resolving water outlet blockage includes a water outlet structure comprising: a water outlet pipe; a retaining ring, a tower-shaped spring, a sleeve, and a mounting ring sequentially arranged within the water outlet pipe along its axial direction; an inlet pipe extending into the water outlet pipe and abutting against the mounting ring; and a pin mechanism located on the side wall of the water outlet pipe.
[0013] The electromagnetic pump described above for solving the problem of water outlet blockage includes an electromagnetic structure comprising a coil structure, which is sleeved outside the water inlet pipe and located at the position where the pump core is located.
[0014] The aforementioned electromagnetic pump for resolving outlet plug adhesion, wherein the outlet plug is made of rubber.
[0015] The present invention, by employing the above-mentioned technology, has the following positive effects compared with the prior art: This invention features a pin mechanism on the side wall of the water outlet structure. When the water outlet plug and sleeve become stuck together and the pump fails to operate, pressing the pin releases the water outlet plug from the sleeve, relieving the adhesion between the contact surfaces. After pressing, the pin automatically moves outward and resets under the action of a return spring. This solves the problem of the pump failing to operate and pumping water due to the water outlet plug sticking together when the pump is reused, avoiding the risk of pump performance failure. Furthermore, the lateral pin mechanism allows for easy adjustment by the user, has a simple structure, low manufacturing cost, and facilitates product use and widespread adoption. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of the overall structure of the electromagnetic pump for solving the problem of water outlet blockage adhesion according to the present invention.
[0017] Figure 2 This invention relates to an electromagnetic pump that solves the problem of outlet blockage adhesion. Figure 1 Enlarged view of a portion of the image.
[0018] In the attached diagram: 1. Water inlet structure; 2. Electromagnetic structure; 3. Water outlet structure; 4. Sleeve; 5. Ejector pin mechanism; 6. Elastic stop block; 11. Water inlet pipe; 12. Water inlet connector; 13. Pump core; 14. Water inlet plug; 15. First spring; 16. Second spring; 18. Mounting ring; 31. Water outlet plug; 32. Through hole; 33. Retaining ring; 34. Tower-shaped spring; 35. Water outlet pipe; 41. Water hole; 51. Sleeve; 52. Ejector pin; 53. Return spring; 54. Convex ring; 55. First step; 56. Second step; 57. Snap ring; 58. Ring groove; 59. Sealing ring; 60. Insert; 61. Third step. Detailed Implementation
[0019] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0020] In the description of this invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "lateral", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this invention.
[0021] It should be noted that the terms "horizontal" and "vertical" in this invention are used to describe approximate positional relationships, and not strictly "horizontal plane" or "vertical plane".
[0022] It should be noted that, unless otherwise specified, the present invention may be used at the angle shown in the accompanying drawings or at an angle other than those shown in the drawings.
[0023] Please see Figures 1 to 2 As shown, a preferred embodiment of an electromagnetic pump for solving the problem of water outlet blockage is illustrated. The pump includes: an inlet structure 1, an electromagnetic structure 2, and an outlet structure 3. One end of the inlet structure 1 is connected to one end of the outlet structure 3. The electromagnetic structure 2 is sleeved outside the inlet structure 1. A sleeve 4 with a water hole 41 is provided between the inlet structure 1 and the outlet structure 3. An outlet blockage 31 that reciprocates along the direction from the inlet structure 1 to the outlet structure 3 is provided inside the outlet structure 3.
[0024] Furthermore, as a preferred embodiment, the electromagnetic pump for solving the problem of water outlet plug adhesion includes: a pin mechanism 5 is provided on the side wall of the water outlet structure 3. The pin mechanism 5 includes: a sleeve 51 and a pin 52 and a return spring 53 disposed inside it. The pin 52 moves radially along the water outlet plug 31. The return spring 53 is abutted between the pin 52 and the outer side of the water outlet structure 3. After the pin 52 pushes the water outlet plug 31, it is reset by the return spring 53, and the water outlet plug 31 is separated from the water inlet structure 1.
[0025] This invention features a pin mechanism 5 on the side wall of the water outlet structure 3. When the water outlet plug 31 and the sleeve 4 become stuck together and the pump cannot work, pressing the pin 52 will separate the water outlet plug 31 and the sleeve 4 by pushing the water outlet plug 31 out, thus relieving the adhesion between the contact surfaces of the water outlet plug 31 and the sleeve 4. After the pressing action of the pin 52 is completed, the pin 52 will automatically move outward and reset under the action of the return spring 53. This solves the problem of the water outlet plug not working and the pump not pumping water when the pump is used again, avoiding the risk of pump performance failure. At the same time, the lateral pin mechanism is easy for users to adjust, has a simple structure, low manufacturing cost, and is more conducive to the use and popularization of the product.
[0026] Furthermore, as a preferred embodiment, the sidewall of the water outlet structure 3 has a through hole 32 communicating with the inside of the sleeve 4, through which the end of the ejector pin 5 passes.
[0027] Furthermore, as a preferred embodiment, the central axis of the through hole 32 is arranged radially along the outlet plug 31.
[0028] Furthermore, in a preferred embodiment, the outer side of the ejector pin 52 has a convex ring 54, which slides in conjunction with the inner wall of the sleeve 51. One side of the convex ring 54 has a first step 55, and the other side of the convex ring 54 has a second step 56. The return spring 53 is located on the outer side of the ejector pin 52, and the two ends of the return spring 53 abut against the first step 55 and the outer wall of the water outlet structure 3, respectively. A retaining ring 57 is provided on the sleeve 51, which is in a limiting fit with the second step 56.
[0029] Furthermore, as a preferred embodiment, the outer wall of the convex ring 54 has an annular groove 58, and a sealing ring 59 is provided in the annular groove 58, which is in a sealing fit with the inner wall of the sleeve 51.
[0030] Furthermore, as a preferred embodiment, the sleeve 51 is provided with a socket 60 extending through its interior along its side, and the retaining spring 57 is inserted into the socket 60.
[0031] Furthermore, as a preferred embodiment, the water outlet structure 3 is provided with a retaining ring 33, and a tower-shaped spring 34 is provided between the retaining ring 33 and the water outlet plug 31.
[0032] Preferably, the inner side of the water outlet structure 3 is provided with an elastic abutment 6, which abuts against the side wall of the water outlet block 31. The elastic abutment 6 and the ejector pin mechanism 5 are located on both sides of the water outlet block 31. The elastic abutment 6 has an arc surface, which fits against the side wall of the water outlet block 31.
[0033] Furthermore, the inner wall of the water outlet structure 3 has a third step 61, and the elastic abutment 6 is disposed between the third step 61 and the sleeve 4. The present invention provides an elastic abutment 6 to prevent the water outlet block 31 from getting stuck after the ejector pin 52 pushes it, and to ensure that the water outlet block 31 is reset and seals the water hole 41.
[0034] The above are merely preferred embodiments of the present invention and are not intended to limit the implementation methods and protection scope of the present invention.
[0035] In addition to the above, the present invention also has the following embodiments: In a further embodiment of the present invention, the water inlet structure 1 includes a water inlet pipe 11, a water inlet connector 12, a pump core 13, a water inlet plug 14, a first spring 15, a second spring 16, and a third spring. One end of the water inlet pipe 11 is provided with the water inlet connector 12, and the other end of the water inlet pipe 11 abuts against the sleeve 4 via an mounting ring 18. The other end of the water inlet pipe 11 contains a pump core 13 that reciprocates along the axial direction of the water inlet pipe 11. A first spring 15 is provided between the pump core 13 and the water inlet connector 12, and a second spring 16 is provided between the pump core 13 and the mounting ring 18. Simultaneously, the pump core 13 is hollow along its axial direction. A water inlet plug 14 is provided at the hollow opening of the pump core 13 away from the water inlet connector 12. A third spring is provided inside the hollow of the pump core 13 to hold the water inlet plug 14. The end of the pump core 13 with the water inlet plug 14 extends out of the water inlet pipe 11. A sleeve 4 is fitted on the end of the pump core 13 that extends out of the water inlet pipe 11, so that the pump core 13 can reciprocate in the water inlet pipe 11. Combined with the action of the first spring 15, the water inlet plug 14, the second spring 16 and the third spring, water is drawn out and discharged through the sleeve 4 and the water outlet plug 31, thereby realizing the pumping of liquid.
[0036] In a further embodiment of the present invention, the water outlet structure 3 includes: a water outlet pipe 35, a retaining ring 33, a tower-shaped spring 34, a sleeve 4 and a mounting ring 18 arranged sequentially along the axial direction of the water outlet pipe 35 inside the water outlet pipe 35, an inlet pipe 11 extending into the water outlet pipe 35 and abutting against the mounting ring 18, and a pin mechanism 5 disposed on the side wall of the water outlet pipe 35.
[0037] In a further embodiment of the present invention, the electromagnetic structure 2 includes a coil structure, which is sleeved outside the water inlet pipe 11 and located at the position where the pump core 13 is provided.
[0038] In a further embodiment of the present invention, the water outlet plug 31 is made of rubber.
[0039] The above description is merely a preferred embodiment of the present invention and does not limit the implementation and protection scope of the present invention. Those skilled in the art should realize that any equivalent substitutions and obvious changes made based on the description and illustrations of the present invention should be included within the protection scope of the present invention.
Claims
1. An electromagnetic pump for solving the problem of outlet blockage adhesion, comprising: The system comprises an inlet structure, an electromagnetic structure, and an outlet structure. One end of the inlet structure is connected to one end of the outlet structure, and the electromagnetic structure is sleeved outside the inlet structure. A sleeve with a water hole is provided between the inlet structure and the outlet structure. An outlet plug that reciprocates along the direction from the inlet structure to the outlet structure is provided inside the outlet structure. The system is characterized by: a pin mechanism provided on the side wall of the outlet structure. The pin mechanism includes: a sleeve and a pin and a return spring disposed inside it. The pin moves radially along the outlet plug. The return spring abuts against the pin and the outer side of the outlet structure. After the pin pushes the outlet plug, it is reset by the return spring, and the outlet plug is disengaged from the inlet structure.
2. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 1, characterized in that, The sidewall of the water outlet structure has a through hole communicating with the inside of the sleeve, through which the end of the ejector pin passes; the central axis of the through hole is arranged radially along the water outlet plug.
3. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 2, characterized in that, The outer side of the ejector pin has a convex ring, which slides in conjunction with the inner wall of the sleeve. One side of the convex ring has a first step, and the other side of the convex ring has a second step. The return spring is located on the outer side of the ejector pin, and the two ends of the return spring abut against the first step and the outer wall of the water outlet structure, respectively. A retaining spring is provided on the sleeve, which engages with the second step for limiting.
4. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 3, characterized in that, The outer wall of the convex ring has an annular groove, and a sealing ring is provided in the annular groove. The sealing ring is in a sealing fit with the inner wall of the sleeve.
5. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 3, characterized in that, The sleeve has a through-hole along its side, and the retaining spring is inserted into the through-hole.
6. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 1, characterized in that, The water outlet structure is equipped with a retaining ring, and a tower-shaped spring is provided between the retaining ring and the water outlet plug.
7. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 6, characterized in that, The water inlet structure includes a water inlet pipe, a water inlet connector, a pump core, a water inlet plug, a first spring, a second spring, and a third spring. One end of the water inlet pipe is provided with the water inlet connector, and the other end of the water inlet pipe abuts against the sleeve through an mounting ring. The pump core, which reciprocates along the axial direction of the water inlet pipe, is provided inside the other end of the water inlet pipe. The first spring is provided between the pump core and the water inlet connector, and the second spring is provided between the pump core and the mounting ring. At the same time, the pump core is hollow along its axial direction, and the water inlet plug is provided at the hollow opening at the end of the pump core opposite to the water inlet connector. The third spring is provided inside the hollow of the pump core and pulls the water inlet plug. The end of the pump core with the water inlet plug extends out of the water inlet pipe, and the sleeve is fitted on the end of the pump core extending out of the water inlet pipe.
8. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 7, characterized in that, The water outlet structure includes: a water outlet pipe, a retaining ring, a tower-shaped spring, a sleeve, and a mounting ring arranged sequentially along the axial direction of the water outlet pipe inside the water outlet pipe, an inlet pipe extending into the water outlet pipe and abutting against the mounting ring, and a pin mechanism disposed on the side wall of the water outlet pipe.
9. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 8, characterized in that, The electromagnetic structure includes a coil structure, which is sleeved outside the water inlet pipe and located at the position where the pump core is installed.
10. The electromagnetic pump for solving the problem of outlet blockage adhesion according to claim 1, characterized in that, The outlet plug is made of rubber.
