CN211976196U

CN211976196U - Electromagnetic valve for unmanned pipeline system

Info

Publication number: CN211976196U
Application number: CN202020390893.6U
Authority: CN
Inventors: 林高行; 邱康明; 苏玉明; 齐晓威
Original assignee: Shenzhen Dongxin Ocean Machinery Engineering Co ltd
Current assignee: Shenzhen Dongxin Ocean Machinery Engineering Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-11-20
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to a solenoid valve discloses a solenoid valve for unmanned pipeline system, comprising a valve body and a connecting pipe fixed on the valve body and communicated with the valve body, wherein the connecting pipe is provided with a thread on the outer side wall close to the external pipe, the connecting pipe is sleeved with a sleeve with a thread inside, and the sleeve is in threaded fit with the connecting pipe; the one end that the valve body was kept away from to the connecting pipe is equipped with the external pipe of managing with the connecting pipe intercommunication, and the external pipe is close to and has seted up the screw thread on the lateral wall of connecting pipe tip, sleeve and external pipe screw-thread fit. The utility model has the advantages of it is following and effect: the sleeve is respectively in threaded fit with the connecting pipe and the outer connecting pipe, and the sleeve covers the connecting position of the connecting pipe and the outer connecting pipe, so that the overflow of the medium passing through the valve body and the pipeline system from the connecting position is prevented, the connection of the electromagnetic valve and the pipeline system has good sealing performance, and the safety of the system is ensured.

Description

Electromagnetic valve for unmanned pipeline system

Technical Field

The utility model belongs to the technical field of the solenoid valve and specifically relates to a solenoid valve for unmanned pipe-line system is related to.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid 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.

At present, chinese utility model patent with publication number CN206958360U discloses a pilot type high-temperature and high-pressure solenoid valve, which adopts a pilot type structure, and includes a pilot portion, a coil component, a movable iron core, a pilot hole, a main valve portion, an elastic piston ring, a main valve positioning rod, a sealing component, and other main portions, wherein the pilot portion is provided with the movable iron core, the coil component is wound on the surface of a cylinder above the movable iron core, and the pilot portion is further provided with the pilot hole; a certain gap is formed between the main valve part and the valve wall, a sealing groove is symmetrically arranged on the main valve part, and the elastic piston ring is arranged in the sealing groove; the sealing element material is added with metal materials such as silver base, copper base and the like; the main valve positioning rod is positioned right below the main valve part.

In the technical scheme, the high-pressure large-caliber electromagnetic valve is opened by the small coil, and the electromagnetic valve is normally and reliably operated at a high temperature state by the elastic piston ring, so that the sealing performance of the electromagnetic valve is improved by improving the material of the sealing element. However, in the above scheme, the problem of tightness when the electromagnetic valve is connected with the pipeline is not considered, in an unmanned pipeline system, good tightness of the pipeline system is an important link for ensuring system safety and reducing the requirement on manual maintenance, and the tightness of connection between the electromagnetic valve and the pipeline is also very important. For this reason, there is a need for a solenoid valve for an unmanned piping system, which has a good sealing property in connection with the piping system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for unmanned pipe-line system's solenoid valve, its has good sealing performance with being connected of pipe-line system to the security that exists to prior art has been improved.

The above technical purpose of the present invention can be achieved by the following technical solutions: a solenoid valve for an unmanned pipeline system comprises a valve body and a connecting pipe which is fixed on the valve body and communicated with the valve body, wherein the outer side wall of one end, away from the valve body, of the connecting pipe is provided with a thread, the connecting pipe is sleeved with a sleeve with a thread inside, and the sleeve is in threaded fit with the connecting pipe; the end part of the connecting pipe, which is far away from the valve body, is provided with an external pipe communicated with the connecting pipe, the external pipe is close to the outer side wall of one end of the valve body and is provided with a thread, and the sleeve is in thread fit with the external pipe.

Through adopting above-mentioned technical scheme, when the solenoid valve inserts pipe-line system, the tip joint of external takeover in connecting pipe tip on the valve body and the pipe-line system, make valve body and pipe-line system intercommunication, because sleeve and connecting pipe screw-thread fit, the user rotates the sleeve this moment, the sleeve is followed the connecting pipe and is located on the external takeover to keeping away from the motion of valve body direction and cover, make connecting pipe and external takeover fixed connection, with this realization valve body and pipe-line system's fixed connection, the sleeve covers the hookup location of connecting pipe and external takeover this moment, the sleeve has hindered the medium in through valve body and the pipe-line system by hookup location's excessive, thereby make the solenoid valve have good sealing performance with pipe-line system's connection, the security.

The utility model discloses further set up to, the connecting pipe is kept away from the tip fixedly connected with bulge tube of valve body, external pipe is close to set up flutedly on the terminal surface of connecting pipe, the fixed rubber layer that is provided with on the recess inner wall, the rubber layer with the laminating of bulge tube lateral wall.

Through adopting above-mentioned technical scheme, the rubber layer is made by having elastic rubber, and when the bulge tube inserted the recess, the rubber layer had sheltered from the clearance between bulge tube and the recess, and the medium of having hindered transmission in the system is revealed by the clearance of bulge tube and recess to improve the leakproofness that the connecting pipe is connected with external pipe.

The utility model discloses further set up to, the sleeve is kept away from the end fixing of valve body is provided with the bulge loop, go up fixedly connected with fixed disk on the external pipe, the bulge loop with a plurality of screws have all been seted up on the fixed disk, screw female fit has the messenger the bulge loop with fixed disk fixed connection's bolt.

Through adopting above-mentioned technical scheme, when the sleeve was kept away from the valve body and was removed to bulge loop and fixed disk when offseting, the connecting pipe managed zonulae occludens with external, screw on the bulge loop and the coincidence of the screw axis on the fixed disk this moment, the bolt passed the screw of bulge loop and fixed disk in proper order, the screw-thread fit of bolt and screw makes bulge loop and fixed disk fixed connection, make the sleeve manage fixed connection with external, avoid the sleeve to take place to become flexible and break away from external pipe, thereby the fixed connection of connecting pipe and external pipe has been guaranteed.

The utility model discloses further set up to, the bulge loop is close to set up the ring channel that the cross-section is the V-arrangement on the side of fixed disk, the ring channel is embedded to be established and is fixed with the rubber ring, fixedly connected with cross-section is the clamp ring of V-arrangement on the fixed disk, the clamp ring with the rubber ring supports tightly.

Through adopting above-mentioned technical scheme, because the rubber ring has rubber to make, rubber has elasticity, and when the bulge loop offseted with the fixed disk, the clamp ring inserted in the ring channel, and the effect that the rubber ring pressurized clamp ring V-arrangement is most advanced at this moment takes place deformation, and the rubber ring that is compressed tightly has hindered the medium and has flowed by the hookup location of bulge loop with the fixed disk to the sealed effect that connecting pipe and external union coupling are connected has been strengthened.

The utility model discloses further set up to, fixed mounting has the controller that control solenoid opened and close on the valve body, fixed mounting has first pressure sensor on the connecting pipe, fixed mounting has second pressure sensor on the external pipe, first pressure sensor and second pressure sensor all with the controller electricity is connected.

Through adopting above-mentioned technical scheme, first pressure sensor detects the pressure of the interior medium of connecting pipe, second pressure sensor detects the pressure of the interior medium of external pipe, because connecting pipe and external pipe intercommunication, when the medium flows steadily between connecting pipe and external pipe, the pressure differential of fluid between connecting pipe and the external pipe is fixed, when the medium has the leakage between connecting pipe and external pipe, the flow of fluid in the external pipe is less than the flow in the connecting pipe, the pressure value that second pressure sensor detected this moment is little and the pressure value that first pressure sensor detected, above-mentioned two pressure sensor convert the pressure value into signal transmission to controller, send the order of closing the solenoid valve to the solenoid valve after the controller discernment, with this closing of control solenoid valve, prevent that the medium from revealing the emergence accident in a large number.

The utility model discloses further set up to, fixed mounting has the alarm on the valve body, the alarm with the controller electricity is connected.

Through adopting above-mentioned technical scheme, when the medium had the leakage between connecting pipe and external pipe, the pressure difference of first pressure sensor and second pressure sensor feedback is unusual, and the controller starts the alarm, and the alarm sends out the police dispatch newspaper in order reminding the user to overhaul the system.

The utility model discloses further set up to, the antiskid groove has been seted up on the sleeve lateral wall.

Through adopting above-mentioned technical scheme, the antiskid groove of seting up on the telescopic lateral wall has improved the roughness on sleeve outside surface, and the coefficient of friction increase on sleeve outside surface when the user rotates the sleeve, and the frictional force between staff and the sleeve increases, takes place to slide when preventing that the user from rotating the sleeve to guaranteed that the user carries out pivoted operation to the sleeve.

The utility model discloses further set up to, the connecting pipe with valve body an organic whole is made.

Through adopting above-mentioned technical scheme, connecting pipe and valve body are integrative to be made, prevent that connecting pipe and valve body hookup location from appearing the crack because connect insecurely to avoided the medium to leak by connecting pipe and valve body hookup location, improved the sealing performance of solenoid valve.

To sum up, the utility model discloses following beneficial effect has:

1. in the scheme, the sleeve is respectively in threaded fit with the connecting pipe and the external connecting pipe, and the sleeve covers the connecting position of the connecting pipe and the external connecting pipe, so that the overflow of a medium in the valve body and a pipeline system from the connecting position is prevented, the connection of the electromagnetic valve and the pipeline system has good sealing performance, and the safety of the system is ensured;

2. in the scheme, a user inserts the convex pipe at the end part of the connecting pipe into the groove at the end part of the external pipe, so that the dislocation of the connecting pipe when the connecting pipe is connected with the external pipe is avoided, and the operation of connecting the connecting pipe with the external pipe is convenient for the user;

3. in this scheme, the rubber layer has sheltered from the clearance of protruding pipe with the recess, has hindered the medium of transmission in the system and has overflowed by the clearance of protruding pipe with the recess to improve the leakproofness that the connecting pipe is connected with external pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic structural view of the sleeve in this embodiment.

In the figure: 1. a valve body; 12. a controller; 13. an alarm; 14. a first pressure sensor; 2. a connecting pipe; 21. a convex pipe; 22. a sleeve; 221. a convex ring; 222. an anti-slip groove; 223. an annular groove; 224. a rubber ring; 3. an external connection pipe; 31. a groove; 311. a rubber layer; 32. fixing the disc; 321. a bolt; 322. a compression ring; 33. a second pressure sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a solenoid valve for an unmanned pipeline system includes a valve body 1, a connection pipe 2, and an external connection pipe 3. One side of the valve body 1 is provided with a flow opening through which the medium flows into or out of the valve body 1. The valve body 1 is fixedly provided with a controller 12, and the controller 12 is electrically connected with the electromagnetic valve and used for controlling the opening and closing of the electromagnetic valve.

As shown in fig. 1, the connection pipe 2 is a circular pipe, the connection pipe 2 is communicated with the circulation port and is fixedly connected with the side wall of the valve body 1, the side wall is provided with the communication port, and the connection pipe 2 and the valve body 1 are integrally formed, so that the connection of the connection pipe 2 and the valve body 1 is prevented from being insecure and causing the leakage of a medium due to the occurrence of cracks. As shown in fig. 2, the outer side wall of the connecting pipe 2 away from the valve body 1 is threaded, and a convex pipe 21 is fixedly connected to the end surface of the connecting pipe. The section of the convex pipe 21 is circular, the outer diameter of the convex pipe is smaller than the outer diameter of the connecting pipe 2, the inner diameter of the convex pipe is the same as the inner diameter of the connecting pipe 2, and the axis of the convex pipe 21 is superposed with the axis of the connecting pipe 2.

As shown in fig. 1 and 2, a sleeve 22 is sleeved on the connection pipe 2, the sleeve 22 is cylindrical, and an axis of the sleeve 22 coincides with an axis of the connection pipe 2. The sleeve 22 has threads on its inner side wall, and the sleeve 22 is screw-engaged with the connection pipe 2, and when the sleeve 22 rotates, it moves along the length direction of the connection pipe 2. The outer side wall of the sleeve 22 is provided with an anti-slip groove 222, and the anti-slip groove 222 is convenient for a user to rotate the sleeve 22.

As shown in fig. 1 and 2, the external connection pipe 3 is a circular pipe, and is located on one side of the communication pipe away from the valve body 1, the external connection pipe 3 has the same outer diameter as the connection pipe 2, and has the same inner diameter as the connection pipe 2, the end of the external connection pipe 3 abuts against the end of the connection pipe 2 away from the valve body 1, and has a thread on the outer side wall near one end of the valve body 1, and the external connection pipe 3 is in thread fit with the sleeve 22. When the sleeve 22 moves away from the valve body 1 and is sleeved on the outer connecting pipe 3, the end part of the connecting pipe 2 and the end part of the outer connecting pipe 3 are abutted tightly, the sleeve 22 enables the connecting pipe 2 and the outer connecting pipe 3 to be fixedly connected, and the sleeve 22 covers the connecting position of the connecting pipe 2 and the outer connecting pipe 3, so that the leakage of a medium is hindered, and the connection of the connecting pipe 2 and the outer connecting pipe 3 has good sealing performance.

As shown in fig. 2, a groove 31 is formed on an end surface of the external connection pipe 3 close to the connection pipe 2, the cross section of the groove 31 is circular, the diameter of the groove 31 is larger than the outer diameter of the convex pipe 21, and the groove 31 is in insertion fit with the convex pipe 21. The convex tube 21 is inserted into the groove 31 to make the connecting tube 2 joint with the external connecting tube 3, thereby avoiding the dislocation of the connecting tube 2 and the external connecting tube 3. The rubber layer 311 is fixedly arranged on the inner side wall of the groove 31 and the end face, close to the connecting pipe 2, of the outer connecting pipe 3, and due to the fact that the rubber layer 311 has elasticity, when the convex pipe 21 is inserted into the groove 31, the rubber layer 311 fills a gap between the groove 31 and the convex pipe 21, and therefore media are prevented from overflowing from the gap, and the sealing performance of the connecting pipe 2 and the outer connecting pipe 3 is improved.

Referring to fig. 1 and 2, a protruding ring 221 is sleeved on the end of the sleeve 22 away from the valve body 1, the cross section of the protruding ring 221 is circular, and the inner side wall of the protruding ring is fixedly connected with the outer side wall of the sleeve 22. Screw holes are formed in the convex ring 221, openings of the screw holes are circular, the axis of each screw hole is parallel to the axis of the convex ring 221, threads are formed in the inner wall of each screw hole, and the six screw holes are evenly distributed along the circumferential direction. The external connection tube 3 is sleeved with a fixed disk 32, the fixed disk 32 is disc-shaped, the inner side wall of the fixed disk is fixedly connected with the outer side wall of the external connection tube 3, and the outer diameter of the fixed disk is the same as the outer diameter of the convex ring 221. The convex ring 221 and the fixed disk 32 are both provided with screw holes, the openings of the screw holes are circular, and the axes of the screw holes are parallel to the axis of the sleeve 22. The number of the convex ring 221 and the number of the screw holes on the fixed disk 32 are six, and when the sleeve 22 moves away from the valve body 1 until the convex ring 221 abuts against the fixed disk 32, the screw holes on the convex ring 221 correspond to the screw holes on the fixed disk 32 one by one. The screw hole is internally provided with a bolt 321, the screw rod of the bolt 321 is provided with threads, and the bolt 321 is matched with the threads of the screw hole to fixedly connect the convex ring 221 with the fixed disk 32, so that the sleeve 22 is prevented from loosening and separating from the external connecting pipe 3. The side surface of the convex ring 221 close to the fixed disk 32 is provided with an annular groove 223, and the section of the annular groove 223 is V-shaped. The side surface of the fixed disk 32 close to the convex ring 221 is fixedly connected with a compression ring 322, and the section of the compression ring 322 is also in a V shape and is in inserted fit with the annular groove 223. A rubber ring 224 is embedded in the annular groove 223, the cross section of the rubber ring 224 is triangular, and two side faces of the rubber ring are attached and fixedly connected with the annular groove 223. The rubber ring 224 is made of rubber and has elasticity, when the pressing ring 322 is inserted into the annular groove 223, the V-shaped tip of the pressing ring 322 presses and deforms the rubber ring 224, and the compacted rubber ring 224 blocks the medium from flowing out from the connecting position of the convex ring 221 and the fixed disk 32, so that the sealing effect of the connection of the connecting pipe 2 and the external connecting pipe 3 is enhanced.

Referring to fig. 1 and 2, a first pressure sensor 14 is fixedly mounted on the connecting pipe 2, the pressure sensor is used for sensing a pressure signal and converting the pressure signal into an electrical signal to be output, the first pressure sensor 14 is fixedly mounted on the connecting pipe 2 and is communicated with the inside of the connecting pipe 2, a second pressure sensor 33 is fixedly mounted on the external pipe 3, the second pressure sensor 33 is communicated with the inside of the external pipe 3, and both the first pressure sensor 14 and the second pressure sensor 33 are electrically connected with the controller 12. When the connecting pipe 2 and the external connecting pipe 3 leak, the pressure value detected by the second pressure sensor 33 is smaller than the pressure value detected by the first pressure sensor 14, the two pressure sensors convert the pressure values into signals and transmit the signals to the controller 12, and the controller 12 sends out a command of closing the electromagnetic valve to the electromagnetic valve after identifying, so that the electromagnetic valve is controlled to be closed, and the medium is prevented from leaking in a large amount to cause accidents. The valve body 1 is fixedly provided with an alarm 13, the alarm 13 is electrically connected with the controller 12, and when the pressure difference value fed back by the first pressure sensor 14 and the second pressure sensor 33 is abnormal, the controller 12 starts the alarm 13.

When the electromagnetic valve is used, a user only needs to joint the connecting pipe 2 with an external pipe to enable the convex pipe 21 to be inserted into the groove 31, then the rotating sleeve 22 moves to enable the rotating sleeve to move away from the valve body 1 and to be sleeved on the external connecting pipe 3, at the moment, the external connecting pipe 3 is fixedly connected with the connecting pipe 2, the rotating sleeve 22 continues to rotate until the convex ring 221 abuts against the fixed disk 32, at the moment, the convex ring 221 corresponds to the screw hole in the fixed disk 32 one by one, then the bolt 321 is screwed into the screw hole, and the convex ring 221 is fixed with the fixed disk 32, so that the fixed connection of the electromagnetic valve and. The sleeve 22 is in threaded fit with the connecting pipe 2 and the outer connecting pipe 3 respectively, the connecting position of the connecting pipe 2 and the outer connecting pipe 3 is covered by the sleeve 22, and the overflow of the medium in the valve body 1 and the pipeline system from the connecting position is prevented, so that the connection of the electromagnetic valve and the pipeline system has good sealing performance, and the safety of the system is ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a solenoid valve for unmanned pipe-line system, includes valve body (1) and be fixed in valve body (1) and with connecting pipe (2) of valve body (1) intercommunication, its characterized in that: the outer side wall of one end, far away from the valve body (1), of the connecting pipe (2) is provided with threads, a sleeve (22) with threads arranged inside is sleeved on the connecting pipe (2), and the sleeve (22) is in threaded fit with the connecting pipe (2); keep away from connecting pipe (2) the tip of valve body (1) be equipped with the outer pipe (3) of connecting pipe (2) intercommunication, outer pipe (3) are close to set up screw thread on the lateral wall of valve body (1) one end, sleeve (22) with outer pipe (3) screw-thread fit.

2. The solenoid valve for an unmanned pipeline system of claim 1, wherein: keep away from connecting pipe (2) tip fixedly connected with flange (21) of valve body (1), external pipe (3) are close to set up recess (31) on the terminal surface of connecting pipe (2), the fixed rubber layer (311) that is provided with on recess (31) inner wall, rubber layer (311) with flange (21) lateral wall laminating.

3. The solenoid valve for an unmanned pipeline system of claim 1, wherein: keep away from sleeve (22) the end fixing of valve body (1) is provided with bulge loop (221), fixedly connected with fixed disk (32) on taking over (3) outward, bulge loop (221) with a plurality of screws have all been seted up on fixed disk (32), screw female thread fit has the messenger bulge loop (221) with fixed disk (32) fixed connection's bolt (321).

4. A solenoid valve for an unmanned ductwork system according to claim 3, wherein: the convex ring (221) is close to an annular groove (223) with a V-shaped cross section is formed in the side face of the fixed disc (32), a rubber ring (224) is embedded in the annular groove (223) and fixed, a compression ring (322) with a V-shaped cross section is fixedly connected to the fixed disc (32), and the compression ring (322) abuts against the rubber ring (224).

5. The solenoid valve for an unmanned pipeline system of claim 1, wherein: the valve body (1) is provided with a controller (12) for controlling the opening and closing of the electromagnetic valve, the connecting pipe (2) is provided with a first pressure sensor (14) in a fixed mode, the outer connecting pipe (3) is provided with a second pressure sensor (33) in a fixed mode, and the first pressure sensor (14) and the second pressure sensor (33) are electrically connected with the controller (12).

6. The solenoid valve for an unmanned pipeline system of claim 5, wherein: the alarm device is characterized in that an alarm device (13) is fixedly mounted on the valve body (1), and the alarm device (13) is electrically connected with the controller (12).

7. The solenoid valve for an unmanned pipeline system of claim 1, wherein: the outer side wall of the sleeve (22) is provided with an anti-slip groove (222).

8. The solenoid valve for an unmanned pipeline system of claim 1, wherein: the connecting pipe (2) and the valve body (1) are integrally manufactured.