CN218863321U

CN218863321U - Miniature reverse high-pressure-bearing diaphragm electromagnetic valve

Info

Publication number: CN218863321U
Application number: CN202221195827.9U
Authority: CN
Inventors: 罗开雷; 林业松
Original assignee: Dongguan Juray Electrical Technology Co ltd
Current assignee: Dongguan Juray Electrical Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2023-04-14
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a diaphragm solenoid valve of miniature reverse high pressure-bearing, which comprises an outer shell, the fixed valve body that is provided with in shell top, the valve body bottom is provided with the apron, the valve body with the apron adopts screw fixed connection, the valve body bottom is provided with the diaphragm, the diaphragm bottom is provided with the connector, be provided with in the shell and move the iron core, the connector with move fixed connection between the iron core, move the inside trompil of iron core, the downthehole spring of having placed, both sides are provided with the U template respectively in the shell, the fixed iron core with fixed connection between the U template, be provided with solenoid in the shell, after placing solenoid in the U template, the apron with fixed connection between the U template, the utility model provides a current valve body and diaphragm contact part cavity great, remaining liquid is more in the application, and influence the measuring accuracy and reverse bearing capacity is lower, and liquid has the problem of backward flow risk.

Description

Miniature reverse high-pressure-bearing diaphragm electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field especially relates to a diaphragm solenoid valve of miniature reverse high pressure-bearing.

Background

At present, a miniature diaphragm electromagnetic valve in the environmental protection industry mainly comprises a valve body, a diaphragm, a positioning sleeve, a movable iron core, a fixed iron core, a spring, a coil and other parts. The working principle is as follows: the diaphragm is connected with the movable iron core, the movable iron core is pulled back by overcoming the spring force through the energization of the coil, the movable iron core is lifted by the spring force when the power is off, and the contact part of the diaphragm and the valve body forms sealing to form two states of opening and closing.

The existing electromagnetic valve mainly has the following defects: a. the valve body is great with diaphragm contact portion cavity, and remaining liquid is more in the application, influences the measuring accuracy, and b, reverse bearing capacity is lower, and liquid has the backward flow risk, consequently the utility model provides a diaphragm solenoid valve of miniature reverse high pressure-bearing solves above-mentioned problem, this utility model reduces the area of diaphragm on current basis, improves in the shape, and the position sleeve structure improves the optimization to it improves reverse bearing capacity to reduce remaining liquid.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art exists, provides a diaphragm solenoid valve of miniature reverse high pressure-bearing, and concrete technical scheme is as follows:

the utility model provides a diaphragm solenoid valve of miniature reverse high pressure-bearing, which comprises an outer shell, the fixed valve body that is provided with in shell top, the valve body bottom is provided with the apron, the valve body with the apron adopts screw fixed connection, the valve body bottom is provided with the diaphragm, diaphragm bottom is provided with the connector, be provided with in the shell and move iron core and decide the iron core, the connector with move fixed connection between the iron core, move the inside trompil of iron core, downthehole spring of having placed, both sides are provided with the U template respectively in the shell, decide the iron core with fixed connection between the U template, be provided with solenoid in the shell, after placing solenoid in the U template, the apron with fixed connection between the U template.

Preferably, the two sides in the connector are respectively provided with a positioning sleeve.

Preferably, the fixed iron core is connected with the U-shaped plate in a spin riveting and pressing mode.

Preferably, the diaphragm and the connector are bonded in a rubber coating mode.

Preferably, after the electromagnetic coil is placed in the U-shaped plate, the cover plate is connected with the U-shaped plate through riveting.

Preferably, the connector is in threaded connection with the movable iron core.

Preferably, the spring is disposed toward one end of the stationary core.

Preferably, the diaphragm is in a U-shaped oval shape.

Compared with the prior art, the utility model beneficial effect who has is:

the diaphragm with a circular structure is changed into a U-shaped structure, so that the area between the outer edge seal and the inner on-off seal is reduced, and the liquid residues such as reagents are reduced at the valve body and the diaphragm.

The diaphragm with a circular structure is changed into a U-shaped structure, so that the stress condition of the whole diaphragm is reduced, the spring force, the electromagnetic force and the like can be reduced under the same pressure, the power is reduced, and the loss is reduced;

the arrangement of the diaphragm with the U-shaped structure can improve the reverse pressure-bearing capacity under the optimized adjustment of the positioning sleeve structure under the condition of ensuring the normal action of a product, thereby avoiding liquid mixing;

the diaphragm structure sets up to the U type ellipse, and under the diaphragm valve of same latus rectum, U type structure diaphragm pressure-bearing stress area can still less, and the diaphragm can reduce with the sealed and inside break-make of cavity outward flange area cavity between sealed, remains the reduction to the valve internal reagent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is the utility model provides a three-dimensional structure schematic diagram of a miniature reverse high-pressure-bearing diaphragm solenoid valve.

Fig. 2 is a front view of the miniature reverse high-pressure-bearing diaphragm solenoid valve provided by the utility model.

Fig. 3 is a cross-sectional view of a miniature reverse high-pressure-bearing diaphragm solenoid valve provided by the utility model.

Fig. 4 is a comparison diagram of the U-shaped structure and the circular structure of the diaphragm in the miniature reverse high pressure-bearing diaphragm electromagnetic valve of the present invention.

Fig. 5 is a comparison diagram of a U-shaped structure and a circular structure of a positioning sleeve in a micro reverse high-pressure-bearing diaphragm solenoid valve provided by the utility model; wherein the planing line part is a supporting part of the diaphragm.

In the figure: 1, a valve body; 2 a diaphragm sheet; 3, connecting heads; 4, positioning a sleeve; 5, moving the iron core; 6, fixing an iron core; 7, a spring; 8, covering a plate; a 9U-shaped plate; 10 coils; 11, a shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a miniature reverse high-pressure-bearing diaphragm electromagnetic valve comprises a housing 11, a valve body 1 is fixedly arranged at the top of the housing 11, a cover plate 8 is arranged at the bottom of the valve body 1, the valve body 1 and the cover plate 8 are fixedly connected by screws, a diaphragm 2 is arranged at the bottom of the valve body 1, a connector 3 is arranged at the bottom of the diaphragm 2, a movable iron core 5 and a fixed iron core 6 are arranged in the housing 11, the connector 3 and the movable iron core 5 are fixedly connected, an inner hole of the movable iron core 5 is provided with a spring 7, U-shaped plates 9 are respectively arranged at two sides in the housing 11, the fixed iron core 6 and the U-shaped plates 9 are fixedly connected, an electromagnetic coil 10 is arranged in the housing 11, and after the electromagnetic coil 10 is arranged in the U-shaped plates 9, the cover plate 8 and the U-shaped plates 9 are fixedly connected.

Referring to fig. 3, as the improvement of above-mentioned technical scheme, both sides are provided with position sleeve 4 respectively in the connector 3, it is connected to adopt the riveting square formula to revolve between iron core 6 and U template 9, diaphragm 2 bonds through the rubber coating form with connector 3 within a definite time, place solenoid 10 back in the U template 9, the riveting is connected between apron 8 and U template 9, connector 3 with move and adopt threaded connection between iron core 5, spring 7 sets up towards the one end of iron core 6, diaphragm 2 is the U type ellipse.

The utility model discloses a theory of operation and application method:

the valve body 1 and the cover plate 8 are connected by a screw to compress the edge of the diaphragm 2 so as to ensure that the inside does not leak outside, the diaphragm 2 and the connector 3 are bonded by adopting a rubber coating mode, the connector 3 and the movable iron core 5 are connected by adopting a thread, the fixed iron core 6 and the U-shaped plate 9 are connected by adopting a spin riveting mode, and after a coil is placed in the U-shaped plate 9, the cover plate 8 and the U-shaped plate 9 are riveted;

when the electromagnetic valve is used, the electromagnetic coil 10 generates a magnetic field after supplying a certain current, the magnetic field forms a magnetic loop through the U-shaped plate 9, the cover plate 8, the fixed iron core 6 and the movable iron core 5 are mutually attracted by magnetic force, and the fixed iron core 6 is fixedly connected with the U-shaped plate 9, so that the movable iron core 5 can be attracted to be attracted with the fixed iron core 6 when overcoming the elastic force of the spring 7, the diaphragm 2 and the valve body 1 realize an 'open' state, when the coil 10 is powered off, the movable iron core 5 is jacked up between the movable iron core 5 and the fixed iron core 6 under the elastic force of the spring 7, and at the moment, the diaphragm 2 and the valve body 1 realize a 'closed' state.

The diaphragm 2 is in a U-shaped oval structure, under the condition that the electromagnetic valves have the same through diameter, the edge compression size is the same, the spring force is the same, the pressure bearing stress area is reduced, the reverse pressure bearing capacity is improved, the positioning sleeve 4 below the diaphragm 2 and the corresponding position of the diaphragm are correspondingly made into a U-shaped structure, the middle hole of the positioning sleeve 4 is made into a circular hole, and the diaphragm 4 is connected with the movable iron core 5 through the circular hole of the positioning sleeve; 2U type structure bulge of diaphragm corresponds miniature solenoid valve outlet side because position sleeve U type protrusion face plays the supporting role for the entity is in the face of the diaphragm, under the same latus rectum and the diaphragm outward flange identical condition, adopts the utility model discloses a miniature valve exports bearing capacity and can improve greatly under both effects of lifting surface and position sleeve.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that the details thereof have not been described in any way whatsoever, but that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a diaphragm solenoid valve of miniature reverse high pressure-bearing which characterized in that: the novel electromagnetic valve comprises an outer shell, the fixed valve body that is provided with in shell top, the valve body bottom is provided with the apron, the valve body with the apron adopts screw fixed connection, the valve body bottom is provided with the diaphragm, the diaphragm bottom is provided with the connector, be provided with in the shell and move iron core and decide the iron core, the connector with move fixed connection between the iron core, move the inside trompil of iron core, the downthehole spring of having placed, both sides are provided with the U template respectively in the shell, decide the iron core with fixed connection between the U template, be provided with solenoid in the shell, after placing solenoid in the U template, the apron with fixed connection between the U template.

2. The micro reverse high pressure-bearing diaphragm electromagnetic valve according to claim 1, characterized in that: and positioning sleeves are respectively arranged on two sides in the connector.

3. The micro reverse high pressure-bearing diaphragm electromagnetic valve according to claim 1, characterized in that: the fixed iron core is connected with the U-shaped plate in a spin riveting and pressing mode.

4. The micro reverse high pressure-bearing diaphragm electromagnetic valve according to claim 1, characterized in that: the diaphragm sheet is bonded with the connector in a rubber coating mode.

5. The micro reverse high pressure-bearing diaphragm electromagnetic valve according to claim 1, characterized in that: after the electromagnetic coil is placed in the U-shaped plate, the cover plate is connected with the U-shaped plate in a riveting mode.

6. The miniature reverse high-pressure-bearing diaphragm electromagnetic valve according to claim 1, which is characterized in that: the connector with adopt threaded connection between the movable iron core.

7. The miniature reverse high-pressure-bearing diaphragm electromagnetic valve according to claim 1, which is characterized in that: the spring is arranged towards one end of the fixed iron core.

8. The micro reverse high pressure-bearing diaphragm electromagnetic valve according to claim 1, characterized in that: the diaphragm is U-shaped and oval.