CN220668416U - Backflow-preventing electromagnetic pulse valve - Google Patents

Abstract

The application provides an anti-backflow electromagnetic pulse valve, which belongs to the technical field of electromagnetic valves. This prevent electromagnetic pulse valve of refluence, which comprises a housin, the casing includes drain pan and top shell, inside backup pad, lifter and the stopper of still being provided with of drain pan, lifter swing joint in the inside center department of drain pan, just the lifter set up in the top of backup pad, the lifter with be provided with the stopper between the drain pan, just the stopper is circumference distribution, wherein, the top of lifter is provided with first closure plate. The utility model provides a prevent electromagnetic pulse valve that flows backwards that this application obtained through above-mentioned design, this application realized flowing back fast and prevent flowing backwards through setting up first closure plate and leak protection board, sets up the backward flow limiter simultaneously and prevents the backward flow, makes fluid control more accurate and stable, and this patent has simple structure, convenient to use, leak protection advantage such as effectual, has higher practicality and economic nature.

Description

Backflow-preventing electromagnetic pulse valve

Technical Field

The application relates to the technical field of electromagnetic valves, in particular to a backflow-preventing electromagnetic pulse valve.

Background

The conventional fluid control device has the problem of unreasonable design, including the problem of poor backflow prevention effect, and moreover, the sealing performance of the blocking plate or the valve is poor, so that the leakage phenomenon is easy to occur, and for some special occasions, such as high temperature, high pressure or corrosive medium treatment, the conventional device is difficult to meet the requirement, so that a novel fluid control device is needed to solve the problem.

Disclosure of Invention

In order to make up the above deficiency, the application provides an anti-backflow electromagnetic pulse valve, which solves the technical problem that backflow sometimes exists in the prior art, and achieves the technical effect of increasing the sealing property and preventing backflow.

The application is realized in such a way that:

an anti-backflow electromagnetic pulse valve comprises

The shell comprises a bottom shell and a top shell, wherein a supporting plate, a lifting block and a limiter are further arranged in the bottom shell, the lifting block is movably connected to the center of the bottom shell, the lifting block is arranged at the top of the supporting plate, the limiter is arranged between the lifting block and the bottom shell and is circumferentially distributed, a first blocking plate is arranged above the lifting block, the top shell is arranged at the top of the bottom shell, a backflow channel is communicated with the outside of the bottom shell, an electromagnetic valve is arranged on one side of the backflow channel, and a control switch is arranged outside the electromagnetic valve;

the pressure measurer is communicated with the top of the shell, and a display screen is arranged at the top of the pressure measurer;

the backflow limiter comprises a limiting pipe, a backflow limiting shell, a moving block and a backflow limiting block, one side of the limiting pipe is communicated with the bottom shell, the other end of the limiting pipe is communicated with the backflow limiting shell, the outside of the limiting pipe is communicated with the electromagnetic valve, the moving block is arranged on one side, away from the limiting pipe, of the backflow limiting shell, the backflow limiting block is arranged on one side of the moving block, and the backflow limiting block is arranged on one end of the limiting pipe.

In an embodiment of the application, the drain pan with the intercommunication department of spacing pipe is provided with the circulation hole, the inner wall of drain pan be provided with the elastic gasket of lifter block lateral wall contact, elastic gasket is annular, the lifter block with elastic gasket is the slope setting, just elastic gasket central part is upwards uplift, just the circulation hole is located elastic gasket's top, the top of lifter block just is located circulation hole department is provided with the leak protection board.

In one embodiment of the present application, the top of the supporting plate is provided with a retraction spring, and the top of the retraction spring is fixedly connected with the bottom of the lifting block.

In an embodiment of the present application, the bottom center department of lifting block has seted up the drain hole, the top of lifting block just is located the spacing groove has been seted up around the drain hole.

In an embodiment of the present application, the bottom of first closure plate is provided with runs through to the gag lever post of spacing inslot portion, the bottom of gag lever post is provided with the anticreep piece, the anticreep piece is located all the time the inside of spacing groove.

In an embodiment of the present application, the stopper includes telescopic link and regulation pole, the one end of telescopic link with the inner wall of drain pan articulates, the other end of telescopic link with it articulates to adjust the pole, in addition, adjust the pole articulated with on the lifter block.

In an embodiment of the application, a limiting block is arranged at the bottom center of the shell, the limiting block is located right above the first blocking plate, and a through hole communicated with the pressure measurer is formed in the outer portion of the limiting block.

In an embodiment of the application, the movable block comprises a movable plate and a first limiting telescopic rod, wherein a gap between the movable plate and the inside of the backflow limiting shell is provided with the first limiting telescopic rod uniformly in circumference, and a threaded pipe is arranged at the center of the same side of the movable plate and the first limiting telescopic rod.

In one embodiment of the present application, one side of the backflow limiting shell is rotatably connected with a threaded rod, the threaded rod penetrates through the backflow limiting shell and then is in threaded connection with the threaded rod, and the other end of the threaded rod is provided with a rotating handle.

In an embodiment of the present application, the backward flow restriction piece includes second closure plate and the spacing telescopic link of second, the spacing telescopic link of second with the fixed surface of movable plate is connected, just the second closure plate with spacing telescopic link fixed connection of second, the outside of the spacing telescopic link of second is provided with expansion spring.

The beneficial effects of this application are: the utility model provides a prevent electromagnetic pulse valve that flows backwards that this application obtained through above-mentioned design, this application realized flowing back fast and prevent flowing backwards through setting up first closure plate and leak protection board, sets up the backward flow limiter simultaneously and prevents the backward flow, makes fluid control more accurate and stable, and this patent has simple structure, convenient to use, leak protection advantage such as effectual, has higher practicality and economic nature.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an anti-backflow electromagnetic pulse valve according to an embodiment of the present application;

fig. 2 is a cross-sectional view of the backflow-preventing electromagnetic pulse valve according to the embodiment of the present application;

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

fig. 4 is a partially enlarged view of the portion B in fig. 2.

In the figure: 1. a housing; 11. a bottom case; 1101. a flow hole; 1102. an elastic pad; 111. a support plate; 1111. a retraction spring; 112. a lifting block; 11201. a limit groove; 11202. a drain hole; 11203. a leakage-proof plate; 1121. a first closure plate; 11211. a limit rod; 11212. an anti-falling block; 113. a limiter; 1131. a telescopic rod; 1132. an adjusting rod; 12. a top shell; 1201. a limiting block; 121. a return passage; 122. an electromagnetic valve; 1221. a control switch; 2. a pressure measurer; 21. a display screen; 3. a backflow limiter; 31. a limiting tube; 32. a backflow limiting shell; 321. an outlet fitting; 33. a moving block; 331. the first limiting telescopic rod; 332. a moving plate; 3321. a threaded tube; 34. a threaded rod; 341. rotating the handle; 35. a reflow restriction block; 351. the second limiting telescopic rod; 352. an expansion spring; 353. and a second closure plate.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

Accordingly, the following detailed description of the embodiments of the present application, provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present application.

Referring to fig. 1-4, the present application provides a technical solution: the utility model provides an electromagnetic pulse valve of preventing flowing backwards, includes casing 1, pressure measurement ware 2 and backward flow limiter 3, and this application realizes flowing back fast and prevents flowing backwards through setting up first closure plate 1121 and leak protection board 11203, sets up backward flow limiter 3 simultaneously and prevents flowing backwards, makes fluid control more accurate and stable, and this patent has simple structure, convenient to use, leak protection advantage such as effectual, has higher practicality and economic nature.

In this embodiment, the housing 1 includes a bottom shell 11 and a top shell 12, a supporting plate 111, a lifting block 112 and a limiter 113 are further disposed inside the bottom shell 11, the lifting block 112 is movably connected to the center of the bottom shell 11, the lifting block 112 is disposed at the top of the supporting plate 111, the limiter 113 is disposed between the lifting block 112 and the bottom shell 11, and the limiter 113 is circumferentially distributed, wherein a first blocking plate 1121 is disposed above the lifting block 112, the top shell 12 is disposed at the top of the bottom shell 11, a backflow channel 121 is communicated with the outside of the bottom shell 11, an electromagnetic valve 122 is disposed on one side of the backflow channel 121, a control switch 1221 is disposed outside the electromagnetic valve 122, and the structure of the electromagnetic valve 122 is a machine known to those skilled in the art, so the structure is not described in this application.

In this embodiment, the pressure measurer 2 is connected to the top of the housing 1, and a display screen 21 is disposed on the top of the pressure measurer 2.

In this embodiment, the backflow limiter 3 includes a limiting tube 31, a backflow limiting shell 32, a moving block 33 and a backflow limiting block 35, one side of the limiting tube 31 is communicated with the bottom shell 11, the other end of the limiting tube 31 is communicated with the backflow limiting shell (32), the outside of the limiting tube 31 is communicated with the electromagnetic valve 122, the moving block 33 is disposed on one side of the backflow limiting shell 32 away from the limiting tube 31, the backflow limiting block 35 is disposed on one side of the moving block 33, and the backflow limiting block 35 is disposed at one end of the limiting tube 31.

In this embodiment, the communicating portion of the bottom shell 11 and the limiting tube 31 is provided with a flow hole 1101, an inner wall of the bottom shell 11 is provided with an elastic gasket 1102 contacting with a side wall of the lifting block 112, the elastic gasket 1102 is annular, the lifting block 112 and the elastic gasket 1102 are all obliquely arranged, and a central portion of the elastic gasket 1102 is raised upwards, the elastic gasket 1102 and the lifting block 112 can play a role in preventing liquid from flowing when contacting, the lifting block 112 and the elastic gasket 1102 are obliquely arranged to be more conducive to preventing leakage, the elasticity of the elastic gasket 1102 can further ensure that the possibility of leakage is reduced, the flow hole 1101 is located above the elastic gasket 1102, the top of the lifting block 112 is located at the position of the flow hole 1101 and is provided with a leakage-proof plate 11203, under the action of the leakage-proof plate 11203, the flow hole 1101 is blocked and is blocked from flowing when the lifting block 112 is lifted, and the liquid can flow through the flow hole 1101.

In this embodiment, a retraction spring 1111 is disposed on the top of the supporting plate 111, the top of the retraction spring 1111 is fixedly connected to the bottom of the lifting block 112, and the retraction spring 1111 can provide a certain supporting and compressing force to better fix the lifting block 112 and support the normal operation of the whole device.

In this embodiment, a drain hole 11202 is formed in the bottom center of the lifting block 112, and a limiting groove 11201 is formed in the top of the lifting block 112 and around the drain hole 11202.

In this embodiment, the bottom of first closure plate 1121 is provided with and runs through to the inside gag lever post 11211 of gag lever post 11201, the bottom of gag lever post 11211 is provided with anticreep piece 11212, anticreep piece 11212 is located all the time the inside of gag lever post 11201, gag lever post 11211 runs through to inside gag lever post 11201 from first closure plate 1121 bottom, simultaneously still set up an anticreep piece 11212 in its bottom for fixed gag lever post 11211, in addition, anticreep piece 11212 is restricted in inside gag lever post 11201, in order to ensure that gag lever post 11211 can not drop or remove, this design can play deterministic, stability and security's effect, ensure that mechanical equipment can carry out corresponding operation in the during operation accurately, and under the circumstances that probably appears unusual or trouble, can avoid potential danger and potential safety hazard.

In this embodiment, the limiter 113 includes a telescopic rod 1131 and an adjusting rod 1132, one end of the telescopic rod 1131 is hinged to the inner wall of the bottom shell 11, the other end of the telescopic rod 1131 is hinged to the adjusting rod 1132, in addition, the adjusting rod 1132 is hinged to the lifting block 112, and the hinge point of the adjusting rod 1132 is hinged to a corresponding position on the lifting block 112, which can be used for controlling the lifting block 112 to move up and down so as to ensure that the lifting block 112 moves within a specified range.

In this embodiment, a limiting block 1201 is disposed at the bottom center of the housing 1, the limiting block 1201 is located right above the first plugging plate 1121, a through hole communicated with the pressure measurer 2 is formed in the outer portion of the limiting block 1201, the limiting block 1201 is located right above the first plugging plate 1121, and a through hole is formed in the outer portion of the limiting block 1201 and is used for being connected with the pressure measurer 2. The design can be used for controlling the up-and-down movement range of the lifting block 112 of the mechanical equipment, and simultaneously, the state and the operation condition of the mechanical equipment can be monitored in real time through the connection of the through hole and the pressure measurer 2 so as to ensure the safe, reliable and efficient operation of the mechanical equipment.

In this embodiment, the moving block 33 includes a moving plate 332 and a first limiting telescopic rod 331, where the moving plate 332 is disposed in the backflow limiting shell 32 in a gap, the first limiting telescopic rod 331 is uniformly disposed between the moving plate 332 and the backflow limiting shell 32 in a circumference, and a threaded tube 3321 is disposed at the center of the same side of the moving plate 332 and the first limiting telescopic rod 331.

In this embodiment, one side of the backflow limiting shell 32 is rotatably connected with a threaded rod 34, the threaded rod 34 penetrates through the backflow limiting shell 32 and is in threaded connection with the threaded rod 34, a rotating handle 341 is disposed at the other end of the threaded rod 34, and the threaded connection between the threaded rod 34 and the threaded shell can control the relative left-right movement of the moving block 33.

In this embodiment, the backflow limiting block 35 includes a second blocking plate 353 and a second limiting telescopic rod 351, the second limiting telescopic rod 351 is fixedly connected with the surface of the moving plate 332, the second blocking plate 353 is fixedly connected with the second limiting telescopic rod 351, an expanding spring 352 is arranged outside the second limiting telescopic rod 351, the design can be used for controlling the lifting range of the backflow limiting block 35 and ensuring that the backflow limiting block moves within a specified range, and meanwhile, the stability and reliability of the backflow limiting block 35 can be enhanced by fixedly connecting the second limiting telescopic rod 351 with the surface of the moving block 33.

The telescopic structures of the first limiting telescopic rod 331, the second limiting telescopic rod 351 and the telescopic rod 1131 are structures known to those skilled in the art, and are not described in the present application.

Specifically, the working principle of the backflow-preventing electromagnetic pulse valve is as follows: when the electromagnetic valve is used, the first blocking plate 1121 is arranged at the top of the lifting block 112, when circulation is needed, the electromagnetic valve 122 is opened, fluid in the top shell 12 is discharged, because of the pressure difference between the top shell 12 and the bottom shell 11, the lifting block 112 is lifted, the blocking part of the circulation hole 1101 by the leakage-proof plate 11203 can be exposed, fluid discharge can be rapidly carried out, when the electromagnetic valve 122 is closed, the pressure in the top shell 12 cannot be released, the top pressure and the bottom pressure of the lifting block 112 are approximately the same, the pulling force of the contraction spring 1111 is matched, the lifting block 112 is lowered, the leakage-proof plate 11203 also blocks the circulation hole 1101 at the moment, the purpose of preventing circulation is achieved, the backflow limiter 3 is also arranged in the electromagnetic valve, the second blocking plate 353 of the backflow limiter 35 is arranged at the outlet of the limiting pipe 31, the backflow limiter is matched with the elastic action of the expansion spring 352, fluid is only allowed to be discharged, and the backflow preventing effect is good.

It should be noted that, specific model specifications of the bottom shell 11, the elastic gasket 1102, the lifting block 112, the leakage-proof plate 11203, the first plugging plate 1121, the second plugging plate 353, the anti-falling block 11212, the limiter 113, the backflow channel 121, the electromagnetic valve 122, the control switch 1221, the pressure measurer 2, the display screen 21, the outlet connector 321, the backflow limiting shell 32, the first limiting telescopic rod 331, the second limiting telescopic rod 351 and the rotating handle 341 need to be determined according to the actual specifications of the device, and a specific model selection calculation method adopts the prior art in the art, so detailed description is omitted.

The power supply and the principle of the limiter 113, the solenoid valve 122, the control switch 1221, the pressure measuring instrument 2, and the display screen 21 will be apparent to those skilled in the art, and will not be described in detail herein.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. An anti-backflow electromagnetic pulse valve is characterized by comprising

The shell (1), the shell (1) includes drain pan (11) and top shell (12), the inside backup pad (111), lifter (112) and the stopper (113) of still being provided with of drain pan (11), lifter (112) swing joint in the inside center department of drain pan (11), just lifter (112) set up in the top of backup pad (111), lifter (112) with be provided with stopper (113) between drain pan (11), just stopper (113) are circumference distribution, wherein, the top of lifter (112) is provided with first closure plate (1121), top shell (12) set up in the top of drain pan (11), just the outside intercommunication of drain pan (11) has backflow channel (121), one side of backflow channel (121) is provided with solenoid valve (122), the outside of solenoid valve (122) is provided with control switch (1221);

the pressure measurer (2), the pressure measurer (2) is communicated with the top of the shell (1), and a display screen (21) is arranged at the top of the pressure measurer (2);

the backflow limiter (3), backflow limiter (3) include spacing pipe (31), backflow limiting shell (32), movable block (33) and backflow limiting block (35), one side of spacing pipe (31) with drain pan (11) intercommunication, the other end of spacing pipe (31) with backflow limiting shell (32) circulation, just the outside of spacing pipe (31) with solenoid valve (122) intercommunication, movable block (33) set up in backflow limiting shell (32) keep away from one side of spacing pipe (31), backflow limiting block (35) set up in one side of movable block (33), just backflow limiting block (35) set up in one end department of spacing pipe (31).

2. The backflow-preventing electromagnetic pulse valve according to claim 1, wherein a communication part of the bottom shell (11) and the limiting pipe (31) is provided with a flow hole (1101), an elastic gasket (1102) contacting with the side wall of the lifting block (112) is arranged on the inner wall of the bottom shell (11), the elastic gasket (1102) is in a ring shape, the lifting block (112) and the elastic gasket (1102) are obliquely arranged, the central part of the elastic gasket (1102) is upwards raised, the flow hole (1101) is positioned above the elastic gasket (1102), and a leakage-preventing plate (11203) is arranged at the top of the lifting block (112) and at the position of the flow hole (1101).

3. The backflow-preventing electromagnetic pulse valve according to claim 1, wherein a contraction spring (1111) is arranged at the top of the supporting plate (111), and the top of the contraction spring (1111) is fixedly connected with the bottom of the lifting block (112).

4. The backflow-preventing electromagnetic pulse valve according to claim 1, wherein a drain hole (11202) is formed in the bottom center of the lifting block (112), and limiting grooves (11201) are formed in the top of the lifting block (112) and located around the drain hole (11202).

5. The backflow-preventing electromagnetic pulse valve according to claim 4, wherein a limiting rod (11211) penetrating into the limiting groove (11201) is arranged at the bottom of the first blocking plate (1121), an anti-falling block (11212) is arranged at the bottom of the limiting rod (11211), and the anti-falling block (11212) is always located in the limiting groove (11201).

6. The backflow prevention electromagnetic pulse valve according to claim 1, wherein the limiter (113) comprises a telescopic rod (1131) and an adjusting rod (1132), one end of the telescopic rod (1131) is hinged to the inner wall of the bottom shell (11), the other end of the telescopic rod (1131) is hinged to the adjusting rod (1132), and in addition, the adjusting rod (1132) is hinged to the lifting block (112).

7. The backflow-preventing electromagnetic pulse valve according to claim 1, wherein a limiting block (1201) is arranged at the bottom center of the shell (1), the limiting block (1201) is located right above the first plugging plate (1121), and a through hole communicated with the pressure measurer (2) is formed in the outer portion of the limiting block (1201).

8. The backflow prevention electromagnetic pulse valve according to claim 1, wherein the moving block (33) comprises a moving plate (332) and a first limiting telescopic rod (331), the moving plate (332) is arranged in the backflow limiting shell (32) in a clearance mode, the first limiting telescopic rod (331) is uniformly arranged between the moving plate (332) and the backflow limiting shell (32) in a circumferential mode, and a threaded pipe (3321) is arranged at the center of the same side of the moving plate (332) and the first limiting telescopic rod (331).

9. The backflow-preventing electromagnetic pulse valve according to claim 8, wherein one side of the backflow limiting shell (32) is rotatably connected with a threaded rod (34), the threaded rod (34) penetrates through the backflow limiting shell (32) and is in threaded connection with the threaded rod (34), and a rotating handle (341) is arranged at the other end of the threaded rod (34).

10. The backflow prevention electromagnetic pulse valve according to claim 9, wherein the backflow limiting block (35) comprises a second blocking plate (353) and a second limiting telescopic rod (351), the second limiting telescopic rod (351) is fixedly connected with the surface of the moving plate (332), the second blocking plate (353) is fixedly connected with the second limiting telescopic rod (351), and an expansion spring (352) is arranged outside the second limiting telescopic rod (351).