CN210088092U

CN210088092U - Explosion-proof electromagnetic valve

Info

Publication number: CN210088092U
Application number: CN201920156062.XU
Authority: CN
Inventors: 蒋延江
Original assignee: Dalian Yisheng Technology Development Co Ltd
Current assignee: Dalian Yisheng Technology Development Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-02-18
Anticipated expiration: 2029-01-29

Abstract

The utility model belongs to the technical field of the solenoid valve, especially, an explosion-proof solenoid valve, including the solenoid valve body, the both sides of solenoid valve body are equipped with import pipe and outlet pipe respectively, and the top fixed mounting of import pipe has the fixed column, has seted up the bottom on the fixed column and has been the fixed chamber of open-ended, has seted up the through-hole on the top inner wall in fixed chamber, and fixed intracavity is equipped with the movable block, and fixed cover is equipped with the seal cover on the movable block, and the inner wall sliding seal who seals cover and fixed chamber is connected, and the bottom of seal cover contacts with the top of import pipe, and the top fixed mounting of movable block has the. The utility model discloses simple structure, economical and practical is convenient for carry out the pressure release to the great pressure that the fluid produced in pipeline, avoids causing pipeline to burst, protects the solenoid valve body, can also adjust the elasticity of two springs simultaneously, increases or reduces uninstallation pressure, simple operation.

Description

Explosion-proof electromagnetic valve

Technical Field

The utility model relates to a solenoid valve technical field especially relates to an explosion-proof solenoid 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, is used in an industrial control system for adjusting the direction, flow, speed and other parameters of a medium, can be matched with different circuits to realize expected control, ensures both the control precision and flexibility, has wide application field, can be controlled by the electromagnetic valve when the flow path of gas or liquid is switched on or off, is mainly characterized in that the electromagnetic valve is arranged at a passage opening of a flow path pipe fitting, and enables a valve rod to lift when the electromagnetic valve is electrified so as to control the switching on or off of the flow path.

However, in the prior art, when a non-toxic and non-corrosive fluid is conveyed in a factory or a residential area conveying pipeline, continuous work is required, when a pipeline which is not used is closed by using an electromagnetic valve and is stopped to convey, the fluid still flows in the continuous pipeline, the pressure generated in the pipeline is too high, the pipeline is easy to burst, the service life of the electromagnetic valve is also influenced, and the subsequent conveying work is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an explosion-proof electromagnetic valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an explosion-proof electromagnetic valve comprises an electromagnetic valve body, wherein an inlet pipe and an outlet pipe are respectively arranged on two sides of the electromagnetic valve body, a fixed column is fixedly mounted at the top of the inlet pipe, a fixed cavity with an opening at the bottom is formed in the fixed column, a through hole is formed in the inner wall of the top of the fixed cavity, a movable block is arranged in the fixed cavity, a seal sleeve is fixedly sleeved on the movable block and is in sliding and sealing connection with the inner wall of the fixed cavity, the bottom of the seal sleeve is in contact with the top of the inlet pipe, a movable rod is fixedly mounted at the top of the movable block, the top end of the movable rod penetrates through the through hole and is fixedly provided with a transverse plate, a pressure relief hole positioned above the movable block is formed in the inner wall of the fixed cavity, a liquid outlet hole is formed in the inner wall of the, the sliding device comprises two sliding grooves, sliding rods are arranged in the two sliding grooves in a sliding mode, the top ends of the sliding rods extend out of the sliding grooves and are fixedly connected with the bottom of a transverse plate, pressing plates located above corresponding supporting rods are sleeved on the two sliding rods in a sliding mode, springs are sleeved on the sliding rods and are fixedly arranged at the bottom of each pressing plate, positioning plates located between the pressing plates and the corresponding supporting rods are sleeved on the two sliding rods in a sliding mode, one ends, far away from the pressing plates, of the springs are fixedly connected to the tops of the positioning plates, two lead screws are fixedly arranged at the tops.

Preferably, the two screw rods are all provided with nuts in a threaded sleeve mode, the nuts are located above the pressing plate, and the bottoms of the nuts are in contact with the top of the pressing plate.

Preferably, the quantity of pressure release hole is a plurality of, and a plurality of pressure release holes are the slope setting, and a plurality of pressure release holes equidistant are the annular and arrange.

Preferably, the quantity of going out the liquid hole is a plurality of, and a plurality of liquid holes are equidistant setting, and a plurality of liquid holes all are linked together with fixed chamber.

Preferably, a handle is fixedly mounted at the top of the transverse plate.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the same sliding groove, the limiting blocks are fixedly mounted on the two sides of the sliding rod, and the limiting blocks are slidably mounted in the limiting grooves.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the device is matched with a fixed cavity, a through hole, a movable block, a sealing sleeve, a movable rod, a transverse plate, a pressure relief hole, a liquid outlet hole, a support rod, a sliding chute, a sliding rod, a pressing plate, a spring, a screw rod, a nut and a positioning plate through a solenoid valve body, when the solenoid valve body closes a conveying pipeline, when the pressure intensity in an inlet pipe reaches a certain range, fluid in the inlet pipe flows into the fixed cavity through the liquid outlet hole and pushes the sealing sleeve and the movable block to slide upwards, the movable block pushes the movable rod and the transverse plate to move upwards, the transverse plate drives the two sliding rods to slide upwards, the sliding rods drive the positioning plate to move upwards, the spring is pressed to generate elasticity, when the sealing sleeve and the movable block slide to the upper part of the pressure relief hole, the fluid flows out of the fixed column through a plurality of pressure relief holes, the pressure, under the action of the elastic forces of the two springs, the two positioning plates and the corresponding slide rods are pushed to slide downwards, the slide rods drive the transverse plate and the movable rods to move downwards, the movable rods drive the movable blocks and the sealing sleeves to slide downwards in the fixed cavities to the positions below the pressure relief holes and return to the original positions, after the pressure relief is finished, the two nuts are rotated clockwise, the nuts rotate upwards on the screw rods, the springs push the pressing plates to slide upwards, the elastic force generated by the springs is reduced, the pressure borne in the conveying pipeline is reduced, and similarly, the two nuts are rotated anticlockwise, the springs are compressed more greatly to generate larger elastic force, and the pressure borne in the conveying pipeline is increased, so that the pressure value borne in the conveying pipeline can be adjusted according to different media conveyed in the conveying pipeline;

the utility model discloses simple structure, economical and practical is convenient for carry out the pressure release to the great pressure that the fluid produced in pipeline, avoids causing pipeline to burst, protects the solenoid valve body, can also adjust the elasticity of two springs simultaneously, increases or reduces uninstallation pressure, simple operation.

Drawings

Fig. 1 is a schematic sectional structure view of the main view of the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1. a solenoid valve body; 2. an inlet pipe; 3. an outlet pipe; 4. fixing a column; 5. a fixed cavity; 6. a through hole; 7. a movable block; 8. sealing sleeves; 9. a movable rod; 10. a transverse plate; 11. A pressure relief vent; 12. a liquid outlet hole; 13. a support bar; 14. a chute; 15. a slide bar; 16. pressing a plate; 17. a spring; 18. a screw rod; 19. a nut; 20. and (7) positioning the plate.

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. 1-2, the present invention provides a technical solution: an explosion-proof electromagnetic valve comprises an electromagnetic valve body 1, wherein an inlet pipe 2 and an outlet pipe 3 are respectively arranged on two sides of the electromagnetic valve body 1, a fixed column 4 is fixedly arranged at the top of the inlet pipe 2, a fixed cavity 5 with an opening at the bottom is arranged on the fixed column 4, a through hole 6 is arranged on the inner wall of the top of the fixed cavity 5, a movable block 7 is arranged in the fixed cavity 5, a seal sleeve 8 is fixedly sleeved on the movable block 7, the seal sleeve 8 is in sliding and sealing connection with the inner wall of the fixed cavity 5, the bottom of the seal sleeve 8 is in contact with the top of the inlet pipe 2, a movable rod 9 is fixedly arranged at the top of the movable block 7, the top end of the movable rod 9 penetrates through the through hole 6 and is fixedly provided with a transverse plate 10, a pressure relief hole 11 positioned above the movable block 7 is arranged on the inner wall of the, the two support rods 13 are respectively positioned at two sides of the fixed column 4, sliding grooves 14 are formed in the tops of the two support rods 13, sliding rods 15 are slidably mounted in the two sliding grooves 14, the top ends of the sliding rods 15 extend out of the sliding grooves 14 and are fixedly connected with the bottom of the transverse plate 10, pressing plates 16 positioned above the corresponding support rods 13 are slidably sleeved on the two sliding rods 15, springs 17 sleeved on the sliding rods 15 are fixedly mounted at the bottoms of the pressing plates 16, positioning plates 20 positioned between the pressing plates 16 and the support rods 13 are fixedly sleeved on the two sliding rods 15, one ends, far away from the pressing plates 16, of the springs 17 are fixedly connected to the tops of the positioning plates 20, two lead screws 18 are fixedly mounted at the tops of the inlet pipes 2, and the two pressing;

the screw sleeve is provided with nuts 19 on two screw rods 18, the nuts 19 are located above the pressing plates 16, the bottoms of the nuts 19 are contacted with the tops of the pressing plates 16, the number of the pressure relief holes 11 is multiple, the pressure relief holes 11 are obliquely arranged, the pressure relief holes 11 are arranged in an annular shape at equal intervals, the number of the liquid outlet holes 12 is multiple, the liquid outlet holes 12 are arranged at equal intervals, the liquid outlet holes 12 are communicated with the fixed cavity 5, handles are fixedly arranged at the tops of the transverse plates 10, limiting grooves are formed in the inner walls of the two sides of the same sliding groove 14, limiting blocks are fixedly arranged on the two sides of the sliding rod 15 and are slidably arranged in the limiting grooves, and the device passes through the electromagnetic valve body 1, the inlet pipe 2, the outlet pipe 3, the fixed column 4, the fixed cavity 5, the through hole 6, the movable block 7, the sealing sleeve 8, the movable rod 9, the transverse plates 10, the pressure relief holes, The chute 14, the sliding rods 15, the pressing plate 16, the spring 17, the screw rod 18, the nut 19 and the positioning plate 20 are matched, when the electromagnetic valve body 1 closes a conveying pipeline, when the pressure intensity in the inlet pipe 2 reaches a certain range, fluid in the inlet pipe 2 flows into the fixed cavity 5 through the liquid outlet hole 12 and pushes the seal sleeve 8 and the movable block 7 to slide upwards, the movable block 7 pushes the movable rod 9 and the transverse plate 10 to move upwards, the transverse plate 10 drives the two sliding rods 15 to slide upwards, the sliding rods 15 drive the positioning plate 20 to move upwards, the spring 17 is pressed to generate elastic force, when the seal sleeve 8 and the movable block 7 slide to the upper part of the pressure relief holes 11, the fluid flows out of the fixed column 4 through the pressure relief holes 11, the pressure generated in the inlet pipe 2 is relieved, and after the generated pressure is relieved, the two positioning plates 20 and the corresponding sliding rods 15 are pushed to slide downwards under the elastic force of the two, the sliding rod 15 drives the transverse plate 10 and the movable rod 9 to move downwards, the movable rod 9 drives the movable block 7 and the sealing sleeve 8 to slide downwards in the fixed cavity 5 to the position below the pressure relief hole 11, the movable block returns to the original position, the pressure relief is finished, the two nuts 19 are rotated clockwise, the nuts 19 rotate upwards on the lead screw 18, the spring 17 pushes the pressing plate 16 to slide upwards, the elastic force generated by the spring 17 is reduced, the pressure borne in the conveying pipeline is reduced, and similarly, the two nuts 19 are rotated anticlockwise, the spring 17 is compressed more greatly to generate larger elastic force, the pressure borne in the conveying pipeline is increased, so that the pressure value borne in the conveying pipeline can be adjusted according to different media conveyed in the conveying pipeline, the utility model has the advantages of simple structure, economy and practicability, is convenient for relieving the pressure generated by fluid in the conveying pipeline, avoids causing the burst of the conveying pipeline, and protects the electromagnetic valve body 1, meanwhile, the elasticity of the two springs 17 can be adjusted, the unloading pressure is increased or reduced, and the operation is convenient and fast.

The working principle is as follows: the stiffness coefficients of the two springs 17 are 15-30N/m, the electromagnetic valve body 1 is connected with a conveying pipeline, when the conveying pipeline is closed by the electromagnetic valve body 1, when the pressure intensity in the inlet pipe 2 reaches a certain range, fluid in the inlet pipe 2 flows into the fixed cavity 5 through the plurality of liquid outlet holes 12, the pressure generated by the fluid can push the sealing sleeve 8 and the movable block 7 to slide upwards, the movable block 7 pushes the movable rod 9 and the transverse plate 10 to move upwards, the transverse plate 10 drives the two slide rods 15 to slide upwards, the slide rods 15 drive the limiting blocks to slide upwards in the limiting grooves, the slide rods 15 drive the positioning plate 20 to move upwards, the springs 17 are compressed and deformed to generate elasticity, when the fluid pushes the sealing sleeve 8 and the movable block 7 to slide to the positions above the plurality of pressure relief holes 11, the fluid flows out of the fixed column 4 through the plurality of pressure relief holes 11, so as to unload the pressure generated in the, the pressure in the inlet pipe 2 is prevented from being too high to cause the burst of the conveying pipeline, after the generated pressure is unloaded, under the elastic force action of the two springs 17, the two slide rods 15 are pushed to slide downwards, the slide rods 15 drive the transverse plate 10 and the movable rod 9 to move downwards, the movable rod 9 drives the movable block 7 and the sealing sleeve 8 to slide downwards in the fixed cavity 5 to be below the pressure relief holes 11 and return to the original position, thereby avoiding the outflow of fluid, the pressure value born in the conveying pipeline can be adjusted according to different media conveyed in the conveying pipeline, the two nuts 19 are rotated clockwise, the nuts 19 rotate upwards on the screw rod 18, the spring 17 pushes the pressing plate 16 to slide upwards, the elastic force generated by the spring 17 is reduced, the pressure born in the conveying pipeline is reduced, the unloading pressure is reduced, and similarly, the two nuts 19 are rotated anticlockwise, the nuts 19 rotate downwards on the screw rod 18, the nut 19 pushes the pressure plate 16 to slide downwards, the spring 17 is compressed more, and greater elasticity is generated, the pressure in the conveying pipeline is increased, and the unloading pressure is increased.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an explosion-proof solenoid valve, includes solenoid valve body (1), its characterized in that: an inlet pipe (2) and an outlet pipe (3) are respectively arranged on two sides of the electromagnetic valve body (1), a fixed column (4) is fixedly mounted at the top of the inlet pipe (2), a fixed cavity (5) with an opening at the bottom is formed in the fixed column (4), a through hole (6) is formed in the inner wall of the top of the fixed cavity (5), a movable block (7) is arranged in the fixed cavity (5), a sealing sleeve (8) is fixedly sleeved on the movable block (7), the sealing sleeve (8) is connected with the inner wall of the fixed cavity (5) in a sliding and sealing manner, the bottom of the sealing sleeve (8) is contacted with the top of the inlet pipe (2), a movable rod (9) is fixedly mounted at the top of the movable block (7), a transverse plate (10) is fixedly mounted at the top end of the movable rod (9), a pressure relief hole (11) above the movable block (7) is, a liquid outlet hole (12) is formed in the inner wall of the top of the inlet pipe (2), two support rods (13) are fixedly mounted at the top of the inlet pipe (2), the two support rods (13) are respectively positioned at two sides of the fixed column (4), sliding grooves (14) are formed in the tops of the two support rods (13), sliding rods (15) are slidably mounted in the two sliding grooves (14), the top ends of the sliding rods (15) extend out of the sliding grooves (14) and are fixedly connected with the bottom of the transverse plate (10), pressing plates (16) positioned above the corresponding support rods (13) are slidably sleeved on the two sliding rods (15), springs (17) sleeved on the sliding rods (15) are fixedly mounted at the bottoms of the pressing plates (16), positioning plates (20) positioned between the pressing plates (16) and the support rods (13) are fixedly sleeved on the two sliding rods (15), and one ends, far away from the pressing plates (16), of the springs (17, two screw rods (18) are fixedly installed at the top of the inlet pipe (2), and the two pressing plates (16) are respectively sleeved on the two screw rods (18) in a sliding manner.

2. An explosion-proof electromagnetic valve according to claim 1, characterized in that: the two screw rods (18) are all sleeved with nuts (19) in a threaded mode, the nuts (19) are located above the pressing plate (16), and the bottoms of the nuts (19) are in contact with the top of the pressing plate (16).

3. An explosion-proof electromagnetic valve according to claim 1, characterized in that: the quantity of pressure release hole (11) is a plurality of, and a plurality of pressure release holes (11) are the slope setting, and a plurality of pressure release holes (11) equidistant are the annular and arrange.

4. An explosion-proof electromagnetic valve according to claim 1, characterized in that: the quantity of going out liquid hole (12) is a plurality of, and a plurality of liquid holes (12) are equidistant setting, and a plurality of liquid holes (12) all are linked together with fixed chamber (5).

5. An explosion-proof electromagnetic valve according to claim 1, characterized in that: and a handle is fixedly arranged at the top of the transverse plate (10).

6. An explosion-proof electromagnetic valve according to claim 1, characterized in that: limiting grooves are formed in the inner walls of the two sides of the same sliding groove (14), limiting blocks are fixedly mounted on the two sides of the sliding rod (15), and the limiting blocks are slidably mounted in the limiting grooves.