CN220488426U

CN220488426U - Water discharge electromagnetic valve

Info

Publication number: CN220488426U
Application number: CN202322168852.9U
Authority: CN
Inventors: 张克海; 倪可可
Original assignee: Zhejiang Kebo Electrical Appliances Co ltd
Current assignee: Zhejiang Kebo Electrical Appliances Co ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-02-13
Anticipated expiration: 2033-08-11

Abstract

The utility model relates to a solenoid valve technical field provides a drain solenoid valve, including valve body, case subassembly, electromagnetic component, the electromagnetic component cover is located on the case subassembly, the case subassembly includes the case, the case lower extreme is connected with sealed lid, be equipped with the seat of sealing water in the valve body, sealing water seat upper end week is fixed with relative sealing water seat upper end bellied elastic washer, sealed lid and case lower extreme fixed connection cooperation, under the case driving action, sealed lid has and seals the cooperation with elastic washer seal and block up sealing water seat upper end open-ended closed position and leave elastic washer and expose sealing water seat upper end open-ended open position. The water discharge electromagnetic valve provided by the utility model can effectively solve the problems of poor sealing after deformation of the sealing cover caused by long-time stress of the spring and the valve core and poor sealing caused by the manufacturing process of the sealing cover of a mass production sealing cover, improves the sealing performance of the device and has longer service time.

Description

Water discharge electromagnetic valve

Technical Field

The application relates to the technical field of electromagnetic valves, in particular to a water draining electromagnetic valve.

Background

The water-discharging electromagnetic valve is an electromagnetic control industrial equipment, is an automatic basic element for controlling fluid, belongs to an actuator, and has basically the same basic structure and working principle as the water-discharging electromagnetic valve existing in the current and the market. The water draining electromagnetic valve structure consists of a valve body, a valve core, a sealing head, an annular sealing ring, a spring, a valve core sleeve and a coil. The valve body is provided with an inflow channel, an outflow channel and a valve cavity, and fluid flows out from the inflow channel through the valve cavity and the outflow channel.

The prior patent CN216843132U of the applicant discloses a buckle mounting structure for a water drain valve, wherein a sealing plug on the water drain valve is driven by an iron core under the action of an electromagnetic coil and is matched with a water outlet of a valve body to realize closing or opening. However, the structure of the electromagnetic valve has the advantages that the spring and the valve core are arranged in the middle to cause the integral stress point to be positioned in the middle, the center of the sealing head is deformed after the sealing head is stressed for a long time, so that the tightness of the matching between the circumference of the sealing head and the sealing head is poor, the manufacturing process requirement of the sealing head on the electromagnetic valve is high, and the tightness of the electromagnetic valve is often poor due to the process.

Disclosure of Invention

The utility model provides a water discharge electromagnetic valve which can solve the technical problems of center deformation and poor sealing performance of a sealing head in the related technology.

The utility model provides a water discharge electromagnetic valve which comprises a valve body, a valve core assembly and an electromagnetic assembly, wherein the electromagnetic assembly is sleeved on the valve core assembly, the valve core assembly comprises a valve core, the lower end of the valve core is connected with a sealing cover, a water sealing seat is arranged in the valve body, an elastic gasket protruding relative to the upper end of the water sealing seat is fixed on the periphery of the upper end of the water sealing seat, the sealing cover is fixedly connected and matched with the lower end of the valve core, and under the driving action of the valve core, the sealing cover is provided with a closing position for sealing an opening at the upper end of the water sealing seat and an opening position for leaving the elastic gasket to expose the opening at the upper end of the water sealing seat.

Further, an annular groove is formed in the upper end of the water sealing seat, and the elastic gasket is connected in the annular groove.

Further, the elastic gasket comprises a mounting main body and a sealing matching part, wherein the shape of the mounting main body is matched with that of the annular groove, the mounting main body is embedded in the annular groove, and the sealing matching part is protruded relative to the upper end part of the water sealing seat and is used for sealing matching with the sealing cover.

Further, the lower end face of the sealing cover is a plane, and the surface of the upper end of the sealing matching part, which is used for being matched with the sealing cover in a sealing way, is a convex curved surface.

Furthermore, the cross section of the sealing matching part is a large cutting circle, and the thickness of the sealing matching part is gradually increased from the upper end part of the installation main body and then reduced to zero at the top end.

Furthermore, the upper end of the water sealing seat is provided with a limiting ring at the inner periphery of the annular groove, the outer diameter of the limiting ring is matched with the minimum inner diameter of the sealing matching part and is smaller than the inner diameter of the annular groove, and the upper end part of the inner periphery of the annular groove and the lower end part of the outer periphery of the limiting ring are in transition through two fillets.

Further, the bulge of sealing cooperation portion bottom periphery forms the layering circle, it is equipped with spacing platform to seal water seat upper end in the ring channel periphery, it still includes the fixed snap ring to drain the solenoid valve, fixed snap ring and seal water seat buckle are connected, the layering circle is spacing between fixed snap ring and spacing platform, sealed lid corresponds the position of fixed snap ring upper end and is equipped with the circumference slot.

Further, the fixed snap ring comprises a fixed ring and a connecting ring, the inner diameter of the fixed ring is matched with the inner diameter of the pressing strip ring, the inner diameter of the connecting ring is matched with the outer diameter of the water sealing seat, an annular clamping groove is formed in the connecting ring, a protruding annular clamping block is arranged on the periphery of the water sealing seat, and the clamping groove is matched with the clamping block.

Further, the upper end of the sealing cover is provided with a connecting seat, the connecting seat is an annular seat with one end being open, the inner shape of the connecting seat is matched with the shape of the head of the valve core and can be connected in an embedded mode, and the plane of the lower end of the sealing cover is circumferentially rounded.

Further, the valve core assembly further comprises a valve core sleeve and a connecting disc which are connected, one end of the valve core sleeve is closed, the other end of the valve core sleeve is open, the connecting disc is connected to one end of the valve core sleeve opening and is provided with a through hole corresponding to the valve core sleeve opening, the valve core is located in the valve core sleeve, a spring is connected between the valve core and the valve core sleeve, the electromagnetic assembly is sleeved on the valve core sleeve, a chassis is arranged between the connecting disc and the electromagnetic assembly, the chassis is connected with the valve body through a nut, and sealing fit is formed between the inner diameter adaptation of the outer diameter of the connecting disc and the upper end of the valve body and the valve body.

The beneficial effects of the utility model are as follows: according to the waterproof electromagnetic valve provided by the utility model, the elastic gasket is assembled in the cavity of the valve body, the elastic gasket is fixedly connected with the water sealing seat, the sealing cover is fixedly connected and matched with the lower end of the valve core, and the sealing cover is matched with the elastic gasket.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the present application, and that it is within the scope of the utility model to those skilled in the art to obtain other drawings from these drawings without inventive faculty.

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a cross-sectional block diagram of the present utility model;

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

FIG. 4 is an enlarged view of a portion of the seal holder of the present utility model;

FIG. 5 is a cross-sectional structural view of the elastomeric gasket of the present utility model;

FIG. 6 is a cross-sectional view of the retaining buckle of the present utility model;

fig. 7 is a side view structural diagram of the seal cap of the present utility model.

Wherein, each reference sign in the figure:

1. a valve body; 2. a valve core; 3. a spring; 4. a valve core sleeve; 5. an electromagnetic assembly; 6. sealing cover; 7. a fixing clip ring; 8. an elastic washer; 10. a chassis; 11. a water sealing seat; 21, a step of; a connecting disc; 61. a connecting seat; 62. a circumferential groove; 71. a connecting ring; 72. a fixing ring; 81. a layering ring; 111. an annular groove; 112. a clamping block; 711. a clamping groove; 821. a mounting main body; 822. a seal mating portion; 1111. a limiting platform; 1112. and a limiting ring.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Referring to fig. 1-3, the utility model provides a water discharge electromagnetic valve, which comprises a valve body 1, a valve core assembly and an electromagnetic assembly 5, wherein the electromagnetic assembly 5 is sleeved on the valve core assembly, the valve core assembly comprises a valve core 2, the lower end of the valve core 2 is connected with a sealing cover 6, a water sealing seat 11 is arranged in the valve body 1, an elastic gasket 8 protruding relative to the upper end of the water sealing seat 11 is fixed on the periphery of the upper end of the water sealing seat 11, the sealing cover 6 is fixedly connected and matched with the lower end of the valve core 2, and under the driving action of the valve core 2, the sealing cover 6 is provided with a closing position for sealing the upper end opening of the water sealing seat 11 and an opening position for leaving the elastic gasket 8 to expose the upper end opening of the water sealing seat 11 in a sealing manner. The utility model can effectively replace the problem of poor tightness after the deformation of the sealing cover 6 caused by long-time stress of the sealing cover 6 and poor tightness caused by poor manufacturing process of the sealing cover 6 in mass production of the sealing cover 6, improves the tightness of the device and has longer service time.

Referring to fig. 2-4, the upper end of the sealing seat 11 is provided with an annular groove 111, and the elastic washer 8 is connected in the annular groove 111. The annular groove 111 may be a square groove, a trapezoid groove having an outer opening width smaller than a bottom width, or the like, and the elastic washer 8 and the annular groove 111 may be fitted. An adhesive or the like may be added between the annular groove 111 and the elastic washer 8 to achieve connection. The utility model can facilitate the connection of the elastic gasket 8 by the arrangement.

Referring to fig. 3-4, the elastic gasket 8 includes a mounting body 821 and a sealing engaging portion 822, the shape of the mounting body 821 is matched with the annular groove 111 and is embedded in the annular groove 111, and the sealing engaging portion 822 protrudes relative to the upper end portion of the water sealing seat 11 to be in sealing engagement with the sealing cover 6. By the arrangement, the sealing effect is further improved.

Referring to fig. 3, 5 and 7, the lower end surface of the sealing cover 6 is a plane, and the surface of the upper end of the sealing engagement portion 822 for sealing engagement with the sealing cover 6 is a convex curved surface. With this arrangement of the present utility model, the seal engaging portion 822 has a certain deformability, which is in plane engagement with the lower end surface of the seal cover 6, to enhance the sealing effect to a certain extent,

referring to fig. 5, the cross section of the seal engaging portion 822 is a large circle, and the thickness thereof is gradually increased from the upper end of the mounting body 821 and then reduced to zero. The present utility model provides the seal engagement 822 with a flexible capability by this arrangement.

Referring to fig. 3-5, a limiting ring 1112 is disposed at the upper end of the seal seat 11 at the inner periphery of the annular groove 111, the outer diameter of the limiting ring 1112 is adapted to the minimum inner diameter of the seal engaging portion 822 and is smaller than the inner diameter of the annular groove 111, and the upper end of the inner periphery of the annular groove 111 and the lower end of the outer periphery of the limiting ring 1112 are transited by two fillets. According to the utility model, through the arrangement, the sealing matching part 822 is more matched with the limiting ring, a certain deformation space is provided for the sealing matching part 822, the sealing effect is enhanced to a certain extent, the elastic gasket cannot be damaged after deformation due to the arrangement of the chamfer, and the service life of the elastic gasket is prolonged.

Referring to fig. 2-6, the bottom periphery of the seal mating portion 822 is protruded to form a bead ring 81, a limit platform 1111 is disposed on the periphery of the annular groove 111 at the upper end of the water seal seat 11, the water drain solenoid valve further includes a fixing snap ring 7, the fixing snap ring 7 is in snap connection with the water seal seat 11, the bead ring 81 is limited between the fixing snap ring 7 and the limit platform 1111, and a peripheral notch 62 is disposed at a position of the seal cover 6 corresponding to the upper end of the fixing snap ring 7. The fixing snap ring 7 and the water sealing seat 11 can be fastened, connected by screw threads and the like. The utility model makes the elastic washer 8 convenient to disassemble and assemble by the arrangement, and the fixing snap ring 7 can be firmly fixed after assembly.

Referring to fig. 3-6, the fixing snap ring 7 includes a fixing ring 72 and a connecting ring 71, the inner diameter of the fixing ring 72 is adapted to the inner diameter of the bead ring 81, the inner diameter of the connecting ring 71 is adapted to the outer diameter of the water seal seat 11, an annular clamping groove 711 is provided on the connecting ring 71, a protruding annular clamping block 112 is provided on the periphery of the water seal seat 11, and the clamping groove 711 is adapted to the clamping block 112. The utility model ensures that the fixing snap ring 7 is quickly assembled and disassembled and is convenient for cleaning and replacement by the arrangement.

Referring to fig. 3 and 7, a connecting seat 61 is provided at the upper end of the sealing cover 6, the connecting seat 61 is an annular seat with one open end, the inner shape of the connecting seat is adapted to the shape of the head of the valve core 2 and is in embedded connection with the shape of the head of the valve core 2, and the plane of the lower end of the sealing cover 6 is rounded circumferentially. The sealing cover 6 is simple in process when manufactured, convenient to assemble with the valve core 2, high in practicability, replaceable when the sealing cover 6 is damaged and poor in tightness, and the elastic gasket cannot be damaged when the sealing cover is sealed due to the arrangement of the edge rounding.

Referring to fig. 1-2, the valve core assembly further comprises a valve core sleeve 4 and a connecting disc 21 which are connected, one end of the valve core sleeve 4 is closed, the other end of the valve core sleeve is open, the connecting disc 21 is connected to one end of the valve core sleeve 4 which is open, a through hole corresponding to the opening of the valve core sleeve 4 is formed in the connecting disc 21, the valve core 2 is located in the valve core sleeve 4, a spring 3 is connected between the valve core 2 and the valve core sleeve 4, the electromagnetic assembly 5 is sleeved on the valve core sleeve 4, a chassis 10 is arranged between the connecting disc 21 and the electromagnetic assembly 5, the chassis 10 is connected with the valve body 1 through a nut, and sealing fit is formed between the inner diameter adaptation of the outer diameter of the connecting disc 21 and the upper end of the valve body 1 and the valve body 1. By the arrangement, the sealing cover 6 linked with the valve core 2 cannot be misplaced, the tightness of the device is ensured, the device is convenient and quick to assemble, the structure of the device is compact, the connecting disc 21 is completely embedded into the valve body 1, and the tightness effect of the device is further ensured.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims

1. The utility model provides a drain solenoid valve, includes valve body (1), case subassembly, electromagnetic assembly (5) cover is located on the case subassembly, the case subassembly includes case (2), its characterized in that, case (2) lower extreme is connected with sealed lid (6), be equipped with in valve body (1) and seal water seat (11), seal water seat (11) upper end week and be fixed with bellied elastic washer (8) of relative seal water seat (11) upper end, sealed lid (6) and case (2) lower extreme fixed connection cooperation, under case (2) driving action, sealed lid (6) have with elastic washer (8) sealing fit shutoff water seat (11) upper end open-ended closed position and leave elastic washer (8) and expose the open position of seal water seat (11) upper end opening.

2. The water drain solenoid valve according to claim 1, wherein: an annular groove (111) is formed in the upper end of the water sealing seat (11), and the elastic gasket (8) is connected in the annular groove (111).

3. The water drain solenoid valve according to claim 2, wherein: the elastic gasket (8) comprises a mounting main body (821) and a sealing matching part (822), wherein the shape of the mounting main body (821) is matched with that of the annular groove (111) and embedded in the annular groove (111), and the sealing matching part (822) is protruded relative to the upper end part of the water sealing seat (11) and is used for being matched with the sealing cover (6) in a sealing mode.

4. A drain solenoid valve according to claim 3 wherein: the lower end face of the sealing cover (6) is a plane, and the surface of the upper end of the sealing matching part (822) for sealing matching with the sealing cover (6) is a convex curved surface.

5. The water drain solenoid valve according to claim 4, wherein: the cross section of the sealing matching part (822) is a large cutting circle, and the thickness of the sealing matching part is gradually increased from the upper end part of the mounting main body (821) and then reduced to the top end of the sealing matching part is zero.

6. The water drain solenoid valve according to claim 5, wherein: the upper end of the water sealing seat (11) is provided with a limiting ring (1112) at the inner periphery of the annular groove (111), the outer diameter of the limiting ring (1112) is matched with the minimum inner diameter of the sealing matching part (822) and is smaller than the inner diameter of the annular groove (111), and the upper end part of the inner periphery of the annular groove (111) and the lower end part of the outer periphery of the limiting ring (1112) are in transition through two fillets.

7. The water drain solenoid valve according to any one of claims 3 to 6, wherein: the sealing cooperation portion (822) bottom periphery is protruding to form layering circle (81), seal water seat (11) upper end is equipped with spacing platform (1111) in ring channel (111) periphery, it still includes fixed snap ring (7) to drain solenoid valve, fixed snap ring (7) are connected with seal water seat (11) buckle, layering circle (81) are spacing between fixed snap ring (7) and spacing platform (1111), sealed lid (6) correspond the position of fixed snap ring (7) upper end and are equipped with peripheral notch groove (62).

8. The water drain solenoid valve according to claim 7, wherein: the fixing clamp ring (7) comprises a fixing ring (72) and a connecting ring (71), wherein the inner diameter of the fixing ring (72) is matched with the inner diameter of the pressing strip ring (81), the inner diameter of the connecting ring (71) is matched with the outer diameter of the water sealing seat (11), an annular clamping groove (711) is formed in the connecting ring (71), an protruding annular clamping block (112) is arranged on the periphery of the water sealing seat (11), and the clamping groove (711) is matched with the clamping block (112).

9. The water drain solenoid valve according to claim 1, wherein: the upper end of the sealing cover (6) is provided with a connecting seat (61), the connecting seat (61) is an annular seat with one end open, the inner shape of the annular seat is matched with the shape of the head of the valve core (2) and is connected with the head in a jogged mode, and the plane circumference of the lower end of the sealing cover (6) is rounded.

10. The water drain solenoid valve according to claim 1, wherein: the valve core assembly further comprises a valve core sleeve (4) and a connecting disc (21) which are connected, one end of the valve core sleeve (4) is closed, the other end of the valve core sleeve is open, the connecting disc (21) is connected to one end of the opening of the valve core sleeve (4) and is provided with a through hole corresponding to the opening of the valve core sleeve (4), the valve core (2) is located in the valve core sleeve (4), a spring (3) is connected between the valve core (2) and the valve core sleeve (4), the electromagnetic assembly (5) is sleeved on the valve core sleeve (4), a chassis (10) is arranged between the connecting disc (21) and the electromagnetic assembly (5), the chassis (10) is connected with the valve body (1) through a nut, and sealing fit is formed between the outer diameter of the connecting disc (21) and the inner diameter of the upper end of the valve body (1) and the valve body (1).