CN216555608U

CN216555608U - Diaphragm type electromagnetic valve

Info

Publication number: CN216555608U
Application number: CN202123121197.9U
Authority: CN
Inventors: 闫贞阳; 周全; 肖育为; 罗大满; 吴勇泉
Original assignee: Shenzhen Kuantian Technology Co ltd
Current assignee: Shenzhen Kuantian Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-17
Anticipated expiration: 2031-12-14

Abstract

The utility model belongs to the technical field of diaphragm type electromagnetic valves, in particular to a diaphragm type electromagnetic valve which comprises a valve body, wherein a medium inlet and a medium outlet which are communicated with each other are respectively arranged on the valve body, a coil is arranged at the top end of the valve body, and a junction box is arranged on the coil; the device also comprises a stabilizing piece, wherein a limiting piece is elastically connected to the free end of the stabilizing piece, and a large round hole and a small round hole are respectively formed in the limiting piece; according to the diaphragm type electromagnetic valve, the junction box is connected with the coil in a clamping mode by utilizing the stabilizing sheet, elastic thrust is provided by utilizing the telescopic column and the telescopic spring, the stability and the safety of installation are ensured, meanwhile, the junction box is conveniently separated from the coil in the later period, the junction box and the coil of the electromagnetic valve are favorably overhauled, and the working reliability of the electromagnetic valve is ensured; utilize the louvre, help the reliable heat dissipation of terminal box, the life of extension solenoid valve, the protection sunshade avoids external dust impurity to block up the louvre.

Description

Diaphragm type electromagnetic valve

Technical Field

The utility model belongs to the technical field of diaphragm type electromagnetic valves, and particularly relates to a diaphragm type electromagnetic valve.

Background

The electromagnetic valve is industrial equipment controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, is not limited to hydraulic pressure and pneumatic pressure, and is used for adjusting the direction, flow, speed and other parameters of a medium in an industrial control system; the electromagnetic valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured; there are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.

The diaphragm type electromagnetic valve is one of the most common electromagnetic valves, wherein a diaphragm is a key part of the whole electromagnetic valve, the upper part of the valve is divided into two air cavities by the diaphragm, the diaphragm has certain elastic property and fatigue property, can be actively reset under the condition that external force is removed, can move up and down repeatedly, and cannot be damaged by breaking, tearing, fatigue and the like.

The coil is one of the most important parts of the electromagnetic valve, the external connection has a junction box for connecting a power supply and ensuring the normal work of the electromagnetic valve, and because the coil and the junction box are the cores of the normal work of the electromagnetic valve, the connection condition of the circuit inside the coil and the junction box needs to be periodically overhauled, but the traditional junction box of the electromagnetic valve is usually connected with the coil and the shell by a plurality of screws, so that the disassembly and the overhaul are very inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a diaphragm type electromagnetic valve which has the characteristics of convenience in use and easiness in maintenance.

In order to achieve the purpose, the utility model provides the following technical scheme: a diaphragm type electromagnetic valve comprises a valve body, wherein a medium inlet and a medium outlet which are communicated with each other are respectively arranged on the valve body, a coil is arranged at the top end of the valve body, a junction box is arranged on the coil, and a positioning frame for embedding the junction box is fixed on the outer side surface of the coil; the wire connecting box is characterized by further comprising a stabilizing piece, the stabilizing piece is hinged to the wire connecting box, a limiting piece is elastically connected to the free end of the stabilizing piece, a large round hole and a small round hole which are communicated with each other are formed in the limiting piece respectively, a limiting pin is fixed on the wire connecting box, a second limiting disc is fixed to the end portion of the limiting pin, and the second limiting disc can penetrate through the large round hole.

As a preferred technical scheme of the utility model, the device further comprises a return spring, a connecting block is fixed on the end face of the free end of the stabilizing sheet, a connecting pin is fixed on the end part of the limiting sheet, and the connecting pin penetrates through the connecting block; one end of the connecting pin, which is far away from the limiting piece, is fixed with a limiting disc, and the reset spring is sleeved on the connecting pin and is positioned between the connecting block and the limiting disc.

As a preferable technical scheme of the utility model, a pull ring is fixed at one end of the limiting sheet far away from the connecting pin.

As a preferred technical scheme of the present invention, two symmetrically distributed telescopic columns are fixed on the inner surface of the stabilizing sheet, a third limiting disc is fixed on the end of each telescopic column, and a telescopic spring between the third limiting disc and the stabilizing sheet is sleeved on each telescopic column.

As a preferred technical scheme of the utility model, the top surface of the junction box is uniformly provided with heat dissipation holes, and the top of the junction box is provided with a protective shielding plate at a certain interval.

Compared with the prior art, the utility model has the beneficial effects that: according to the diaphragm type electromagnetic valve, the junction box is connected with the coil in a clamping mode by utilizing the stabilizing sheet, elastic thrust is provided by utilizing the telescopic column and the telescopic spring, the stability and the safety of installation are ensured, meanwhile, the junction box is conveniently separated from the coil in the later period, the junction box and the coil of the electromagnetic valve are favorably overhauled, and the working reliability of the electromagnetic valve is ensured; utilize the louvre, help the reliable heat dissipation of terminal box, the life of extension solenoid valve, the protection sunshade avoids external dust impurity to block up the louvre.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

in the figure: 1. a valve body; 2. a media inlet; 3. a media outlet; 4. a coil; 5. a junction box; 6. a stabilizing sheet; 7. connecting blocks; 8. a connecting pin; 9. a limiting sheet; 10. a first limiting disc; 11. a return spring; 12. a protective shield; 13. heat dissipation holes; 14. a spacing pin; 15. a second limiting disc; 16. a large circular hole; 17. a small circular hole; 18. a pull ring; 19. a telescopic column; 20. a tension spring; 21. a third limiting disc; 22. and (5) positioning the frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a diaphragm type electromagnetic valve comprises a valve body 1, a medium inlet 2 and a medium outlet 3 which are communicated with each other are respectively arranged on the valve body 1, a coil 4 is arranged at the top end of the valve body 1, a junction box 5 is arranged on the coil 4, and a positioning frame 22 for embedding the junction box 5 is fixed on the outer side surface of the coil 4; the valve body is characterized by further comprising a stabilizing piece 6, the stabilizing piece 6 is hinged to the junction box 5, a limiting piece 9 is elastically connected to the free end of the stabilizing piece 6, a large round hole 16 and a small round hole 17 which are communicated with each other are respectively formed in the limiting piece 9, a limiting pin 14 is fixed on the coil 4, a second limiting disc 15 is fixed at the end of the limiting pin 14, the second limiting disc 15 can penetrate through the large round hole 16, the junction box 5 is connected with an electric power supply when the valve body is used, and when the valve body 1 is switched on, a medium enters the valve body 1 from the medium inlet 2 and is discharged out of the valve body 1 from the medium outlet 3; when the junction box 5 is installed, the end part of the junction box 5 is embedded into the positioning frame 22 for positioning and installation, the installation firmness of the junction box 5 can be improved, the junction box 5 is prevented from accidentally sliding, after the end part of the junction box 5 is embedded into the positioning frame 22, the stabilizing piece 6 is turned over, the junction box 5 is stabilized outside the coil 4 by the stabilizing piece 6, the limiting piece 9 is pulled until the large round hole 16 corresponds to the second limiting disc 15, the second limiting disc 15 penetrates through the large round hole 16, after the limiting piece 9 is loosened, the limiting piece 9 in elastic connection can automatically move backwards, the small round hole 17 moves to the position of the second limiting disc 15, the limiting pin 14 and the limiting piece 9 form a clamping structure, and the installation stability of the junction box 5 is guaranteed; when the terminal box 5 is required to be disassembled, the limiting piece 9 is pulled until the large round hole 16 corresponds to the second limiting disc 15, the limiting piece 9 is pulled towards the outer side, the limiting piece 9 is separated from the limiting pin 14, the terminal box 5 can be taken down after the stabilizing piece 6 is opened in a turnover mode, and the terminal box is very convenient to use, the limiting piece 9 is made of a plastic piece, and the terminal box can have certain elasticity and can be bent and automatically restored.

Specifically, as shown in fig. 1, in this embodiment, the fixing device further includes a return spring 11, a connecting block 7 is fixed on an end face of a free end of the stabilizing sheet 6, a connecting pin 8 is fixed on an end of the limiting sheet 9, and the connecting pin 8 penetrates through the connecting block 7; one end of the connecting pin 8, which is far away from the limiting piece 9, is fixed with a limiting disc 10, the reset spring 11 is sleeved on the connecting pin 8 and is positioned between the connecting block 7 and the limiting disc 10, the reset spring 11 realizes elastic installation of the limiting piece 9, when the limiting piece 9 is pulled to move, the limiting piece 9 drives the limiting disc 10 to move by utilizing the connecting pin 8, and the limiting disc 10 compresses the reset spring 11.

Specifically, according to fig. 1 and fig. 2, in the present embodiment, a pull ring 18 is fixed at one end of the limiting sheet 9 far away from the connecting pin 8, and the limiting sheet 9 is pulled by the pull ring 18, which is more convenient.

Specifically, according to fig. 1 and fig. 3, in this embodiment, two symmetrically distributed telescopic columns 19 are fixed on the inner surface of the stabilizing sheet 6, three limiting discs 21 are fixed on the end portions of the telescopic columns 19, and a telescopic spring 20 located between the three limiting discs 21 and the stabilizing sheet 6 is sleeved on the telescopic columns 19, the telescopic columns 19 are formed by sleeving two sections of hollow cylindrical members, after the junction box 5 is installed by using the stabilizing sheet 6, the junction box 5 is pushed towards the coil 4 through the three limiting discs 21 under the matching of the telescopic spring 20 and the telescopic columns 19, a balancing effect is formed by the junction box and the return spring 11, and the installation stability of the junction box 5 is further improved.

Specifically, according to fig. 1 and fig. 3, in this embodiment, heat dissipation holes 13 have been evenly opened on the top surface of terminal box 5, and protection shielding plate 12 is installed at the top of terminal box 5 at a certain distance from each other, and heat dissipation holes 13 help reliable heat dissipation of terminal box 5, prolong the service life of the solenoid valve, and protection shielding plate 12 prevents external dust and impurities from blocking heat dissipation holes 13.

The working principle and the using process of the utility model are as follows: when the electromagnetic valve is used, the junction box 5 is connected with an electric power supply, when the valve body 1 is conducted, a medium enters the valve body 1 from the medium inlet 2 and is discharged out of the valve body 1 from the medium outlet 3;

when the junction box 5 is installed, the end part of the junction box 5 is embedded into the positioning frame 22 for positioning and installation, the installation firmness of the junction box 5 can be improved, the junction box 5 is prevented from accidentally sliding, after the end part of the junction box 5 is embedded into the positioning frame 22, the stabilizing piece 6 is turned over, the junction box 5 is stabilized outside the coil 4 by the stabilizing piece 6, the limiting piece 9 is pulled until the large round hole 16 corresponds to the second limiting disc 15, the second limiting disc 15 penetrates through the large round hole 16, after the limiting piece 9 is loosened, the limiting piece 9 in elastic connection can automatically move backwards, the small round hole 17 moves to the position of the second limiting disc 15, the limiting pin 14 and the limiting piece 9 form a clamping structure, and the installation stability of the junction box 5 is guaranteed;

in addition, after the junction box 5 is installed by the stabilizing sheet 6, the junction box 5 is pushed towards the coil 4 through the third limiting disc 21 under the matching of the telescopic spring 20 and the telescopic column 19, and a balance effect is formed with the return spring 11, so that the installation stability of the junction box 5 is further improved;

when the junction box 5 needs to be disassembled, the limiting piece 9 is pulled until the large round hole 16 corresponds to the second limiting disc 15, the limiting piece 9 is pulled towards the outer side, the limiting piece 9 is separated from the limiting pin 14, and the junction box 5 can be taken down after the stabilizing piece 6 is turned over and opened, so that the junction box is very convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a diaphragm type solenoid valve, includes valve body (1) be provided with medium entry (2) and medium export (3) that communicate each other on valve body (1) respectively coil (4) are installed to the top of valve body (1) install terminal box (5), its characterized in that on coil (4): a positioning frame (22) for embedding the junction box (5) is fixed on the outer side surface of the coil (4); still include stabilizing sheet (6), just stabilizing sheet (6) articulate on terminal box (5) the free end elastic connection of stabilizing sheet (6) has spacing piece (9) are last to set up big round hole (16) and the little round hole (17) of mutual intercommunication respectively be fixed with spacing round pin (14) on coil (4) the end fixing of spacing round pin (14) has No. two spacing dishes (15), just No. two spacing dishes (15) can pass big round hole (16).

2. A diaphragm-type electromagnetic valve according to claim 1, wherein: the device is characterized by further comprising a return spring (11), a connecting block (7) is fixed on the end face of the free end of the stabilizing piece (6), a connecting pin (8) is fixed on the end of the limiting piece (9), and the connecting pin (8) penetrates through the connecting block (7); one end of the connecting pin (8) far away from the limiting piece (9) is fixed with a limiting disc (10), and the reset spring (11) is sleeved on the connecting pin (8) and is located between the connecting block (7) and the limiting disc (10).

3. A diaphragm-type electromagnetic valve according to claim 2, wherein: and a pull ring (18) is fixed at one end of the limiting sheet (9) far away from the connecting pin (8).

4. A diaphragm-type electromagnetic valve according to claim 1, wherein: the inner face of stabilizing piece (6) is fixed with two symmetric distribution's flexible post (19) the end fixing of flexible post (19) has No. three spacing dishes (21), just is in the cover is equipped with on flexible post (19) is in No. three spacing dishes (21) with expanding spring (20) between stabilizing piece (6).

5. A diaphragm-type electromagnetic valve according to claim 1, wherein: heat dissipation holes (13) are uniformly formed in the top surface of the junction box (5), and a protection shielding plate (12) is installed at the top of the junction box (5) at a certain interval.