CN218971888U

CN218971888U - Miniature diaphragm electromagnetic valve

Info

Publication number: CN218971888U
Application number: CN202223096419.0U
Authority: CN
Inventors: 邱祥; 莫永金
Original assignee: Shenzhen Xinxiangye Technology Co ltd
Current assignee: Shenzhen Xinxiangye Technology Co ltd
Priority date: 2022-11-19
Filing date: 2022-11-19
Publication date: 2023-05-05
Anticipated expiration: 2032-11-19

Abstract

The utility model discloses a miniature diaphragm electromagnetic valve, and relates to the technical field of miniature electromagnetic valves. The electromagnetic valve comprises a valve body, wherein a shell is arranged at the bottom of the valve body, an electromagnetic valve core assembly, a sealing connecting piece, a diaphragm and a rigid supporting piece, wherein one end of the electromagnetic valve core assembly extends to the interior of the valve body, the sealing connecting piece is arranged on the electromagnetic valve core assembly, the diaphragm is arranged between the sealing connecting piece and the electromagnetic valve core assembly, the rigid supporting piece is used for supporting the diaphragm, and the electromagnetic valve core assembly comprises a coil winding shell arranged in the shell. Through setting up electromagnetic valve core subassembly, diaphragm, rigid support piece, sealing connection spare and sealing gasket, the diaphragm separates fluid medium chamber and electromagnetic valve core subassembly, has improved the life-span of solenoid valve by a wide margin, supports the diaphragm through rigid support piece to ensure that the solenoid valve can be used in the environment of high pressure reliable operation, cooperation adopts the movable iron core and the sealing connection spare of rigid coupling mode, has guaranteed the quick response time that the solenoid valve opened and closed, satisfies user's user demand.

Description

Miniature diaphragm electromagnetic valve

Technical Field

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

Background

The miniature electromagnetic valve in the code spraying industry is a common direct-acting electromagnetic valve, and mainly structurally comprises a static iron core, a movable iron core, a coil winding, a coil shell, a reset spring, a sealing gasket, a valve body, an O-shaped ring, a shell and other parts.

In the existing direct-acting electromagnetic valve structure, fluid media such as ink directly contact with a coil winding, a movable iron core and a reset spring, and as the fluid media such as ink have the characteristic of rising viscosity along with the change of ambient temperature or the residual of the fluid media within a certain time range, the gap between a coil winding framework and the movable iron core is smaller, and the stored fluid media are less, so that the rising time period of the viscosity is further increased, the friction force of the movement of the movable iron core is increased until the friction force exceeds the electromagnetic force, thereby causing the electromagnetic valve to fail, and the use requirement of a user cannot be met.

Disclosure of Invention

The utility model provides a miniature diaphragm electromagnetic valve, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a miniature diaphragm solenoid valve, includes the valve body, the bottom of valve body is provided with the shell, the inside of shell is provided with the electromagnetic valve core subassembly that one end extends to the valve body inside, sets up sealing connection spare on the electromagnetic valve core subassembly, sets up diaphragm and the rigid support piece that is used for supporting the diaphragm between sealing connection spare and electromagnetic valve core subassembly.

Further, the electromagnetic valve core assembly comprises a coil winding shell arranged in the shell, a coil winding framework arranged in the coil winding shell, a T-shaped static iron core arranged in the coil winding framework and a movable iron core arranged on the static iron core through a reset spring.

Further, the top end of the coil winding shell extends to the inside of the valve body and is attached to the bottom of the diaphragm, and the rigid support piece is embedded in the top of the coil winding shell in a disc shape.

Further, the top end of the movable iron core sequentially penetrates through the rigid supporting piece and the diaphragm and is fixedly connected with the inside of the sealing connecting piece.

Further, a sealing gasket for shielding the through hole in the valve body is arranged at the top of the sealing connecting piece.

Further, the inside of valve body is provided with inlet P and liquid outlet A that are linked together through the through-hole, one side of valve body is provided with the 8 style of calligraphy sealing washer that is located inlet P and liquid outlet A department.

Further, the valve body is provided with a clamping needle, the valve body is clamped together through the clamping needle and the shell, and the bottom of the shell is provided with a rear shell.

Compared with the prior art, the utility model provides a miniature diaphragm electromagnetic valve, which has the following beneficial effects:

this miniature diaphragm solenoid valve through setting up electromagnetic valve core subassembly, diaphragm, rigid support piece, sealing connection spare and sealing gasket, the diaphragm separates fluid medium chamber and electromagnetic valve core subassembly, has improved the life-span of solenoid valve by a wide margin, supports the diaphragm through rigid support piece to ensure that the solenoid valve can be used in the environment of high pressure reliable operation down, cooperation adopts the movable iron core and the sealing connection spare of rigid connection mode, has guaranteed the quick response time that the solenoid valve opened and closed, satisfies user's user demand.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

fig. 3 is a cross-sectional view of the structure of the present utility model.

In the figure: 1. a valve body; 2. a housing; 3. a rear case; 4. a coil winding housing; 5. a stationary core; 6. a coil winding former; 7. a return spring; 8. a movable iron core; 9. a clamping needle; 10. a rigid support; 11. sealing the connection member; 12. a diaphragm sheet; 13. a sealing gasket; 14. 8-shaped sealing gasket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model discloses a micro diaphragm electromagnetic valve, which comprises a valve body 1, wherein a shell 2 is arranged at the bottom of the valve body 1, an electromagnetic valve core assembly with one end extending to the inside of the valve body 1, a sealing connecting piece 11 arranged on the electromagnetic valve core assembly, a diaphragm sheet 12 arranged between the sealing connecting piece 11 and the electromagnetic valve core assembly and a rigid supporting piece 10 for supporting the diaphragm sheet 12 are arranged in the shell 2, the arrangement of the diaphragm sheet 12 blocks the contact of fluid media such as ink and the coil winding framework 6, the movable iron core 8 and the return spring 7, thereby avoiding the cause of failure of the electromagnetic valve due to the change of the viscosity of the media, the diaphragm sheet 12 and a sealing gasket 13 are made of rubber materials, so that the response time of the diaphragm sheet 12 is not sensitive enough, but the diaphragm sheet 12 only plays a role of blocking the fluid media such as ink, and the diaphragm sheet 12 is supported by the rigid supporting piece 10, thereby ensuring the quick response time of opening and closing the electromagnetic valve, and no deformation occurs due to the acting force on the rigid supporting piece 10 against the diaphragm sheet 12, and no driving force is generated, and the electromagnetic valve is ensured to be in a reliable closing state.

Specifically, the electromagnetic valve core assembly comprises a coil winding shell 4 arranged in the shell 2, a coil winding framework 6 arranged in the coil winding shell 4, a T-shaped static iron core 5 arranged in the coil winding framework 6 and a movable iron core 8 arranged on the static iron core 5 through a return spring 7, wherein a hole for placing the return spring 7 is formed in the movable iron core 8, and the coil winding framework 6 is fixed in the coil winding shell 4 through riveting.

Specifically, the top of coil winding casing 4 extends to the inside of valve body 1 and is laminated with the bottom of diaphragm 12 mutually, rigid support piece 10 is the disk shape and inlays and locate coil winding casing 4 top, the top of moving iron core 8 runs through rigid support piece 10, diaphragm 12 in proper order after and sealing connection 11's inside fixed connection, diaphragm 12 separates fluid medium chamber and electromagnetic valve core subassembly, prevent that the fluid medium from getting into moving iron core 8, reset spring 7 internal contact, the condition that causes the solenoid valve to prematurely fail appears, rigid support piece 10 inlays on coil winding casing 4, when diaphragm 12 receives fluid medium chamber pressure effect, support diaphragm 12 and do not warp, and then moving iron core 8 can not receive the effort and produce any motion, moving iron core 8 and sealing connection 11 rigid connection are in the same place, when moving iron core 8 receives electromagnetic force effect to be inhaled to quiet iron core 5, sealing pad 13 on sealing connection 11 can synchronous motion, thereby reach quick response time.

Specifically, a sealing gasket 13 for shielding the through hole inside the valve body 1 is arranged at the top of the sealing connector 11.

Specifically, the inside of valve body 1 is provided with inlet P and liquid outlet A that are linked together through the through-hole, one side of valve body 1 is provided with 8 style of calligraphy sealing gasket 14 that are located inlet P and liquid outlet A department, and 8 style of calligraphy sealing gasket 14 are used for sealing inlet P and liquid outlet A, and when the solenoid valve circular telegram was opened the state, fluid medium such as ink got into from inlet P, after passageway and the through-hole in valve body 1, from liquid outlet A.

Specifically, be provided with card needle 9 on the valve body 1, valve body 1 is in the same place through card needle 9 and shell 2 joint, the bottom of shell 2 is provided with backshell 3, and the setting of joint has made things convenient for later stage dismantlement maintenance.

In summary, this miniature diaphragm solenoid valve, through setting up electromagnetic valve core subassembly, diaphragm 12, rigid support 10, sealing connection 11 and sealed pad 13, diaphragm 12 separates fluid medium chamber and electromagnetic valve core subassembly, the life-span of solenoid valve has been improved by a wide margin, support diaphragm 12 through rigid support 10 to ensure that the solenoid valve can be used in the environment of high pressure reliable operation, the cooperation adopts moving core 8 and sealing connection 11 of rigid coupling mode, has guaranteed the quick response time that the solenoid valve opened and closed, satisfies user's user demand.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A miniature diaphragm electromagnetic valve, comprising a valve body (1), characterized in that: the bottom of valve body (1) is provided with shell (2), the inside of shell (2) is provided with electromagnetic valve core subassembly that one end extends to the inside of valve body (1), sets up sealing connection spare (11) on electromagnetic valve core subassembly, sets up diaphragm (12) between sealing connection spare (11) and electromagnetic valve core subassembly and is used for supporting rigid support piece (10) of diaphragm (12).

2. A miniature diaphragm electromagnetic valve according to claim 1, wherein: the electromagnetic valve core assembly comprises a coil winding shell (4) arranged in the shell (2), a coil winding framework (6) arranged in the coil winding shell (4), a T-shaped static iron core (5) arranged in the coil winding framework (6) and a movable iron core (8) arranged on the static iron core (5) through a reset spring (7).

3. A miniature diaphragm electromagnetic valve according to claim 2, wherein: the top end of the coil winding shell (4) extends to the inside of the valve body (1) and is attached to the bottom of the diaphragm (12), and the rigid support piece (10) is embedded in the top of the coil winding shell (4) in a disc shape.

4. A miniature diaphragm electromagnetic valve according to claim 3, wherein: the top end of the movable iron core (8) sequentially penetrates through the rigid supporting piece (10) and the diaphragm (12) and is fixedly connected with the inside of the sealing connecting piece (11).

5. The miniature diaphragm electromagnetic valve according to claim 4, wherein: the top of the sealing connecting piece (11) is provided with a sealing gasket (13) for shielding the through hole in the valve body (1).

6. The miniature diaphragm electromagnetic valve according to claim 5, wherein: the inside of valve body (1) is provided with inlet P and liquid outlet A that are linked together through the through-hole, one side of valve body (1) is provided with 8 style of calligraphy gaskets (14) that are located inlet P and liquid outlet A department.

7. A miniature diaphragm electromagnetic valve according to claim 1, wherein: the valve is characterized in that a clamping needle (9) is arranged on the valve body (1), the valve body (1) is clamped with the shell (2) through the clamping needle (9), and a rear shell (3) is arranged at the bottom of the shell (2).