CN217482039U

CN217482039U - Automatic pipeline pressure balancing mechanism

Info

Publication number: CN217482039U
Application number: CN202221508382.5U
Authority: CN
Inventors: 季国炜; 王晓哲; 陈开纬; 王飞; 张雅静
Original assignee: Suzhou Agricultural Chemicals Machinery Co ltd
Current assignee: Suzhou Agricultural Chemicals Machinery Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-09-23
Anticipated expiration: 2032-06-16

Abstract

The application relates to the technical field of pipeline maintenance, in particular to an automatic pipeline pressure balancing mechanism which comprises a plurality of groups of valve bodies, wherein a water inlet cavity and a water flow channel are formed in each group of valve bodies, and the water inlet cavities of the plurality of groups of valve bodies are communicated; the valve body is internally provided with a water passing assembly and a water outlet connector, a water outlet cavity is formed in the water outlet connector, and the water outlet cavity is respectively communicated with the water inlet cavity and the water flow channel; a valve rod and a water return joint are arranged in the valve body, a water return port is arranged on the water return joint, and the water return port is communicated with the water inlet cavity; the tip of valve rod is plugged up the return water mouth, be equipped with the annular piece on the valve rod and can be to keeping away from the direction of intake antrum removes, it can control to lead to the water subassembly go out the water cavity and the connected state of intake antrum. Thereby pressure sensor can't control the electric valve in time and open the problem that makes the pressure in the rivers outlet pipe balanced pipeline when this application can improve the pipeline internal pressure unbalance.

Description

Automatic pipeline pressure balancing mechanism

Technical Field

The application relates to the technical field of pipeline maintenance, in particular to an automatic pipeline pressure balancing mechanism.

Background

The pipeline is usually with the operation of a plurality of nozzles cooperation use completion water spray, when closing certain nozzle after the pipeline leads to water to end, the abrupt closure of delivery port makes the unable circulation of water inlet department in the pipeline of being connected with the closed nozzle this moment, thereby lead to the pressure imbalance in other pipelines, consequently install multiunit induction system between a plurality of nozzles and pipeline usually when the pipeline leads to water, and is concrete, every group induction system all includes electric valve and pressure sensor, through the pressure in the pressure sensor real-time detection pipeline, when the pipeline internal pressure imbalance, pressure sensor can control electric valve's switching makes the water in the pipeline circulate once more, thereby realize the balance of the pipeline internal pressure.

In the process of balancing the pressure in the pipeline, the inventor finds that the technology at least has the following problems: the time required for detecting the pressure inside the pipeline in real time through the pressure sensor is long, and the pressure sensor cannot timely control the electric valve to open when the pressure in the pipeline is unbalanced, so that the water flows out of the pipeline to balance the pressure in the pipeline.

SUMMERY OF THE UTILITY MODEL

Thereby pressure sensor can't control electric valve in time and open the problem that makes the pressure in the rivers play pipeline balanced pipeline in order to improve when the pipeline internal pressure unbalance, this application provides a pipeline pressure automatic balance mechanism.

The application provides a pipeline pressure automatic balance mechanism adopts following technical scheme:

a pipeline pressure automatic balancing mechanism comprises a plurality of groups of valve bodies, wherein each group of valve bodies is internally provided with a water inlet cavity and a water flow channel, and the water inlet cavities of the valve bodies are communicated; the valve body is internally provided with a water passing assembly and a water outlet connector, a water outlet cavity is formed in the water outlet connector, and the water outlet cavity is respectively communicated with the water inlet cavity and the water flow channel; a valve rod and a water return joint are arranged in the valve body, a water return port is arranged on the water return joint, and the water return port is communicated with the water inlet cavity; the tip of valve rod is plugged up the return water mouth, be equipped with the annular piece on the valve rod and can be to keeping away from the direction of intake antrum removes, it can control to lead to the water subassembly go out the water cavity and the connected state of intake antrum.

By adopting the technical scheme, when the pipeline is filled with water, after water flow enters the valve body from the water inlet cavity, the water flow can drive the water filling component in the valve body to move under the action of the impact force of the water flow, so that the water flow can flow out from the water outlet joint, when the use of the pipeline is finished, a certain nozzle connected with the pipeline is closed, meanwhile, the water inlet cavity of the valve body connected with the closed nozzle can not be communicated, so that the pressure in the pipeline connected with other valve bodies is unbalanced, at the moment, the water in the water outlet cavity can flow to the valve rod from the water flow channel due to the water hammer effect and impact the annular block on the valve rod, make the valve rod rebound and with the separation of return water mouth for the hydroenergy of intaking the intracavity can flow out and realize the pressure balance in the pipeline from the return water joint, compare in using pressure sensor and electric valve to maintain the pressure balance in the pipeline, can balance the pressure in the pipeline more fast.

In a specific implementation scheme, a guide nut is arranged on the valve body, an installation groove is formed in the guide nut, and the valve rod is arranged in the installation groove; even there is adjusting nut on the guide nut, the last first spring that is equipped with of adjusting nut, first spring is kept away from adjusting nut's one end with the valve rod is kept away from the one end of intake antrum is connected.

Through adopting above-mentioned technical scheme, after in water inflow mounting groove from rivers passageway, rivers led to the fact the impact to the valve rod and driven the valve rod and shift up, because the setting of first spring, the valve rod can shift up and compression spring, after pressure balance, the valve rod can move down once more and plug up the return water mouth under the effect of first spring.

In a specific implementation mode, a guide joint is arranged in the valve body, and the bottom end of the valve rod penetrates through the guide joint in a sliding mode to extend into the water inlet cavity.

Through adopting above-mentioned technical scheme, when rivers led to the fact the impact to make the valve rod shift up to the valve rod from rivers passageway inflow mounting groove, the guide joint can play the guide effect to the motion of valve rod.

In a specific implementation mode, the water passing assembly comprises a one-way valve core and a second spring, the one-way valve core is arranged in the water outlet connector in a sliding mode, one end of the second spring is connected with the water outlet connector, and the other end of the second spring is connected with the one-way valve core; one end of the one-way valve core, which is far away from the second spring, props against the communication position of the water inlet cavity and the water outlet cavity, and a water through hole communicated with the water outlet cavity is formed in the one-way valve core.

By adopting the technical scheme, after water flows into the valve body from the water inlet cavity, the water flows drive the one-way valve core and the second spring to move towards the direction away from the valve rod due to the impact force of the water flows, so that the water inlet cavity is communicated with the water outlet cavity, the water flows can flow out of the valve body from the water outlet connector, and after the water flows stop, the one-way valve core can reset under the action of the elastic force due to the arrangement of the second spring.

In a specific implementation mode, one end of the one-way valve core, which is far away from the second spring, is provided with a first sealing ring, and the first sealing ring is attached to the inner side wall of the valve body.

Through adopting above-mentioned technical scheme, can strengthen the sealed effect between check valve core and the valve body through the setting up of first sealing washer.

In a specific possible embodiment, a second sealing ring is arranged on the valve rod, the second sealing ring is slidably arranged in the mounting groove, and the second sealing ring is attached to the inner side wall of the guide nut.

Through adopting above-mentioned technical scheme, can make rivers be difficult for permeating first spring department when promoting the valve rod to move up through setting up the second sealing washer for the valve rod has certain sealed effect.

In a specific possible implementation manner, a third sealing ring is arranged on the valve rod and above the second sealing ring, and the third sealing ring abuts against the inner side wall of the guide nut.

Through adopting above-mentioned technical scheme, can further improve the sealed effect between valve rod and the guide nut through setting up the third sealing washer.

In a specific embodiment, the end of the water outlet joint far away from the water passing assembly is provided with an external thread.

Through adopting above-mentioned technical scheme, set up the external screw thread through the one end of keeping away from logical water subassembly at water connectors, be convenient for at water connectors department lug connection nozzle for the hydroenergy that lies in the play water cavity when the nozzle is suddenly closed can get into the rivers passageway more fast and assaults the valve rod, and the hydroenergy of intake antrum can flow from the return water mouth more fast, thereby can maintain the pressure balance in the pipeline more fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when water flows through the pipeline, after water flows enter the valve body from the water inlet cavity, the water flow can drive the water flowing component in the valve body to move under the action of impact force of the water flow, so that the water flows out of the water outlet connector, when the pipeline is used, a certain nozzle connected with the pipeline is closed, meanwhile, the water inlet cavity of the valve body connected with the closed nozzle cannot flow, so that the pressure in the pipeline connected with other valve bodies is unbalanced, at the moment, water in the water outlet cavity can flow to the valve rod from the water flow channel due to the water hammer effect and impact the valve rod, the valve rod moves upwards and opens the water return port, so that the water in the water inlet cavity can flow out of the water return connector to realize pressure balance in the pipeline, and compared with the method that a pressure sensor and an electric valve are used for maintaining the pressure balance in the pipeline, the pressure in the pipeline can be balanced more quickly;

2. when water flow flows into the mounting groove from the water flow channel to impact the valve rod, so that the valve rod moves upwards, the guide joint can play a role in guiding the movement of the valve rod;

3. through keeping away from the one end that leads to water the subassembly at water outlet joint and setting up the external screw thread, be convenient for locate the lug connection nozzle at water outlet joint for the hydroenergy that lies in the water outlet cavity when the nozzle is suddenly closed can get into the rivers passageway more fast and assault the valve rod, and the hydroenergy of intake antrum can flow from the return water mouth more fast, thereby can maintain the pressure balance in the pipeline more fast.

Drawings

Fig. 1 is a schematic overall structure diagram of an automatic pipeline pressure balancing mechanism in an embodiment of the present application.

Fig. 2 is a sectional view of the pipe pressure automatic balancing mechanism in the embodiment of the present application.

Description of reference numerals: 1. a valve body; 11. a water inlet cavity; 12. a water outlet cavity; 13. a water flow channel; 14. a water connection joint; 2. a water outlet joint; 3. a water return joint; 31. a water return port; 4. adjusting the nut; 5. a guide nut; 51. mounting grooves; 6. a water-through component; 61. a one-way valve core; 62. a first seal ring; 63. a second spring; 64. a water through hole; 7. a valve stem; 71. a second seal ring; 72. a third seal ring; 73. a ring block; 8. a first spring; 9. and (4) guiding the joint.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a pipeline pressure automatic balance mechanism. Referring to fig. 1, pipeline pressure automatic balance mechanism includes a plurality of valve bodies 1 that set up side by side, and intake antrums 11 have all been seted up to one side of valve body 1, and the intake antrums 11 of a plurality of valve bodies 1 are intercommunication each other, and the equal threaded connection of opposite side of valve body 1 has water connectors 2, combines fig. 2, has seted up water outlet chamber 12 in water connectors 2, and water outlet chamber 12 is linked together with intake antrum 11. The bottom surface of the valve body 1 is in threaded connection with a water return connector 3, a water return port 31 is formed in the water return connector 3, and the water return port 31 is communicated with the water inlet cavity 11.

Referring to fig. 2, the valve body 1 is internally provided with water passing assemblies 6, each water passing assembly 6 comprises a one-way valve core 61 and a second spring 63, each one-way valve core 61 is arranged in the water outlet connector 2 in a sliding mode, a water passing hole 64 is formed in the outer side wall of each one-way valve core 61, each water passing hole 64 is communicated with the water inlet cavity 11, one end of each second spring 63 is fixedly connected with the inner side wall of the water outlet connector 2, and the other end of each second spring 63 is fixedly connected with one end, far away from the water return connector 3, of each one-way valve core 61. The valve body 1 is connected with a water joint 14 through internal threads, one end of the one-way valve core 61, which is far away from the second spring 63, is fixedly connected with a first sealing ring 62, and the first sealing ring 62 is abutted against the inner side wall of the water joint 14. When the pipeline is filled with water, after water enters the valve body 1 from the water inlet cavity 11, the water can drive the one-way valve element 61 and the first sealing ring 62 in the valve body 1 to move under the action of the impact force of the water, so that the water in the water inlet cavity 11 can flow into the water outlet cavity 12 from the water through hole 64, and the water can flow out from the water outlet joint 2.

Referring to fig. 2, the equal threaded connection of top surface of valve body 1 has guide nut 5, has seted up mounting groove 51 in guide nut 5, and threaded connection has adjusting nut 4 on guide nut 5, and adjusting nut 4's interior top surface fixed mounting has first spring 8, and first spring 8's bottom fixedly connected with valve rod 7, the vertical setting of valve rod 7, valve rod 7 and first spring 8 all establish in mounting groove 51. Still equal threaded connection has the direction to connect 9 in the valve body 1, and the bottom of valve rod 7 slides and passes direction to connect 9 and stretch into intake antrum 11 and block up return water mouth 31. The blocking degree of the valve rod 7 to the water return opening 31 can be adjusted by screwing or unscrewing the adjusting nut 4.

Referring to fig. 2, an annular block 73 is fixedly mounted on the outer side wall of the valve stem 7, and the outer side wall of the annular block 73 is attached to the inner side wall of the guide nut 5. All seted up rivers passageway 13 in the valve body 1, rivers passageway 13 are linked together with play water cavity 12 and mounting groove 51 respectively, after the pipeline uses certain nozzle that the pipeline is connected, simultaneously with the unable circulation of water in the intake antrum 11 of the valve body 1 that the nozzle that has closed links, make the pressure in other pipelines unbalanced, the water in the play water cavity 12 can flow to valve rod 7 department and lead to the fact the impact to annular piece 73 from rivers passageway 13 this moment, make valve rod 7 rebound and open return water mouth 31, the hydroenergy in the intake antrum 11 can be followed return water joint 3 and circulated once more and realize the pressure balance in the pipeline this moment, compare in using pressure sensor and electric valve to maintain the pressure balance in the pipeline, can more evenly balance the pressure in the pipeline. The valve rod 7 is located fixedly connected with second sealing washer 71 and third sealing washer 72 on the lateral wall of guide joint 9 top, and the lateral wall of second sealing washer 71 and third sealing washer 72 all laminates with the inside wall of guide nut 5 mutually, can make rivers be difficult for permeating first spring 8 department when pushing away valve rod 7 and shifting up through setting up second sealing washer 71 and third sealing washer 72, improves the sealed effect between valve rod 7 and the guide nut 5. The outer side wall of one end, far away from the second spring 63, of the water outlet connector 2 is provided with an external thread, the external thread is arranged to facilitate direct connection of a nozzle at the water outlet connector 2, so that water located in the water outlet cavity 12 can enter the water flow channel 13 more quickly when the nozzle is suddenly closed to drive the valve rod 7 to move upwards and open the water return port 31, and therefore water in the water inlet cavity 11 can flow out from the water return port 31 more quickly, and pressure balance in a pipeline can be maintained more quickly.

The implementation principle of the automatic pipeline pressure balancing mechanism in the embodiment of the application is as follows: when water flows through the pipeline, after water enters the valve body 1 from the water inlet cavity 11, the water can drive the one-way valve core 61 and the first sealing ring 62 in the valve body 1 to move under the impact force of the water, so that water flow can flow out from the water outlet joint 2, when the use of the pipeline is finished, a certain nozzle connected with the pipeline is closed, meanwhile, the water in the water inlet cavity 11 of the valve body 1 connected with the closed nozzle cannot circulate, so that the pressure in other pipelines is unbalanced, at the moment, the water in the water outlet cavity 12 can flow to the valve rod 7 from the water flow channel 13 and impact the valve rod 7, make valve rod 7 rebound and open return water mouth 31, the hydroenergy in the intake antrum 11 can circulate once more from return water joint 3 this moment and realize the pressure balance in the pipeline, compare in the pressure balance that uses pressure sensor and electric valve to maintain the pipeline, can balance the pressure in the pipeline more fast.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The automatic pipeline pressure balancing mechanism is characterized by comprising a plurality of groups of valve bodies (1), wherein a water inlet cavity (11) and a water flow channel (13) are formed in each group of valve bodies (1), and the water inlet cavities (11) of the plurality of groups of valve bodies (1) are communicated; a water passing assembly (6) and a water outlet connector (2) are arranged in the valve body (1), a water outlet cavity (12) is formed in the water outlet connector (2), and the water outlet cavity (12) is respectively communicated with the water inlet cavity (11) and the water flow channel (13); a valve rod (7) and a water return connector (3) are arranged in the valve body (1), a water return port (31) is formed in the water return connector (3), and the water return port (31) is communicated with the water inlet cavity (11); the tip of valve rod (7) is plugged up return water mouth (31), be equipped with on valve rod (7) annular piece (73) and can be to keeping away from the direction of intake antrum (11) removes, it can control to lead to water subassembly (6) go out water cavity (12) and the connected state of intake antrum (11).

2. The automatic pipeline pressure balancing mechanism of claim 1, wherein: a guide nut (5) is arranged on the valve body (1), an installation groove (51) is formed in the guide nut (5), and the valve rod (7) is arranged in the installation groove (51); even there is adjusting nut (4) on guide nut (5), be equipped with first spring (8) on adjusting nut (4), first spring (8) are kept away from the one end of adjusting nut (4) with valve rod (7) are kept away from the one end of intake antrum (11) is connected.

3. The automatic pipeline pressure balancing mechanism of claim 2, wherein: a guide connector (9) is arranged in the valve body (1), and the bottom end of the valve rod (7) penetrates through the guide connector (9) in a sliding mode and extends into the water inlet cavity (11).

4. The automatic pipeline pressure balancing mechanism of claim 1, wherein: the water passing assembly (6) comprises a one-way valve core (61) and a second spring (63), the one-way valve core (61) is arranged in the water outlet connector (2) in a sliding mode, one end of the second spring (63) is connected with the water outlet connector (2), and the other end of the second spring (63) is connected with the one-way valve core (61); one end of the one-way valve core (61) far away from the second spring (63) props against the communication position of the water inlet cavity (11) and the water outlet cavity (12), and a water through hole (64) communicated with the water outlet cavity (12) is formed in the one-way valve core (61).

5. The automatic pipeline pressure balancing mechanism of claim 4, wherein: one end of the one-way valve core (61) far away from the second spring (63) is provided with a first sealing ring (62), and the first sealing ring (62) is attached to the inner side wall of the valve body (1).

6. The automatic pipeline pressure balancing mechanism of claim 2, wherein: be equipped with second sealing washer (71) on valve rod (7), second sealing washer (71) slide to be set up in mounting groove (51), second sealing washer (71) with the interior side wall of guide nut (5) is laminated mutually.

7. The automatic pipeline pressure balancing mechanism of claim 6, wherein: and a third sealing ring (72) is arranged above the second sealing ring (71) on the valve rod (7), and the third sealing ring (72) is abutted against the inner side wall of the guide nut (5).

8. The automatic pipeline pressure balancing mechanism of claim 1, wherein: and an external thread is arranged at one end of the water outlet joint (2) far away from the water passing component (6).