CN217482040U

CN217482040U - Valve bank pressure balance mechanism

Info

Publication number: CN217482040U
Application number: CN202221508384.4U
Authority: CN
Inventors: 陈开纬; 王齐; 廖魁; 季国炜; 叶莎
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 discloses valves pressure balance mechanism, relate to water valve technical field, which comprises a valve body, valve body one side has been seted up the inhalant canal opposite side and has been seted up out the water passageway, be equipped with first cavity between inhalant canal and the exhalant canal, the return water passageway has still been seted up on the valve body, be equipped with the second cavity between exhalant canal and the return water passageway, first cavity is linked together with the second cavity, be equipped with one-way valve core in the exhalant canal, the rivers passageway has been seted up in the valve body, rivers passageway one end is linked together with the exhalant canal, the other end is linked together with the second cavity, be equipped with the switch module that is used for opening and close the second cavity in the first cavity, be equipped with the balancing pole that is used for driving switch module in the second cavity, balancing pole and second cavity sliding fit. This application has the effect that makes the water pressure in the pipeline keep balanced.

Description

Valve bank pressure balance mechanism

Technical Field

The application relates to the technical field of water valves, in particular to a pressure balancing mechanism of a valve group.

Background

When the water tank supplies water for a plurality of groups of water guns, a single water gun is communicated with the water tank through a pipeline, and an electric valve is arranged on the pipeline. The electric valve comprises a water inlet channel, a water outlet channel and a water return channel, wherein a pressure sensor is arranged in the water outlet channel, the water inlet channel of the electric valve is communicated with the water tank generally in order to keep the water pressure in the pipeline balanced, the water outlet channel of the electric valve is connected with the water gun, and the water return channel of the electric valve is communicated with the water tank. When the water gun normally works, a water outlet channel connected with the water gun on the electric valve is opened, a water return channel connected with the water tank is closed, and water flows from the water inlet channel to the water outlet channel; when the squirt is closed, the water pressure in the water outlet channel is enhanced, and after the pressure sensor detects the pressure change, the water outlet channel connected with the squirt by the electric valve is controlled to be closed, and the water return channel is opened, so that the water flow flows to the water tank, and the pressure in the pipeline is kept balanced.

According to the technical scheme, the inventor finds that the water pressure is detected through the pressure sensor, and then the opening and closing of the water outlet channel are controlled through the electric valve to have time delay, so that when the water gun is suddenly closed, the water pressure in other pipelines suddenly rises, and the pipelines are easily broken.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the water pressure rises suddenly in the pipeline and leads to the pipeline to break, the application provides a valve bank pressure balance mechanism.

The application provides a group valve pressure balance mechanism adopts following technical scheme: the utility model provides a valves pressure balance mechanism, includes a plurality of valve bodies, inhalant canal has been seted up to valve body one side, and the exhalant canal has been seted up to the opposite side, inhalant canal is used for supplying water to a plurality of valve bodies, be equipped with first cavity, every between inhalant canal and the exhalant canal return water passageway has still been seted up on the valve body, be equipped with the second cavity between exhalant canal and the return water passageway, first cavity is linked together with the second cavity, be equipped with one-way valve core in the exhalant canal, the rivers passageway has been seted up in the valve body, rivers passageway one end is linked together with exhalant canal, and the other end is linked together with the second cavity, be equipped with the switch module that is used for opening and close the second cavity in the first cavity, be equipped with the balancing pole that is used for driving switch module in the second cavity, balancing pole and second cavity sliding fit.

Through adopting above-mentioned technical scheme, when the squirt is closed suddenly, rivers in the exhalant canal flow into in the rivers passageway, the balanced pole is pushed down to the rethread rivers flow direction, the balanced pole promotes the switch module downwards, make the switch module open the second cavity, rivers flow into in the return water passageway from the second cavity, thereby when a squirt is closed suddenly, rivers in this valve body can follow the return water passageway and flow, thereby help alleviating the water pressure in the inhalant canal, make the water pressure in the inhalant canal keep balance, thereby can avoid the condition of pipeline rupture to take place as far as possible.

In a specific possible embodiment, a connecting block is sleeved on the balance rod, the connecting block is arranged in the second chamber, and the connecting block is detachably connected with the valve body.

By adopting the technical scheme, the connecting block is arranged, and the connecting block is sleeved on the balance rod, so that the balance rod is conveniently put into the valve body, the balance rod is conveniently taken out from the valve body, and the operation is convenient.

In a specific implementation scheme, the balancing rod is sleeved with an adjusting sleeve, the adjusting sleeve is connected with the balancing rod, the balancing rod is sleeved with an adjusting spring, the adjusting spring is arranged in the adjusting sleeve, one end of the adjusting spring is in contact with the connecting block, and the other end of the adjusting spring is in contact with the inner top wall of the adjusting sleeve.

Through adopting above-mentioned technical scheme, through rotating the adjusting collar, the adjusting collar extrudees adjusting spring downwards, and adjusting spring shrink, adjusting spring elasticity grow pushes down needs to apply bigger pressure to the balancing pole to can adjust the position of adjusting collar according to the pressure of rivers, realize the pressure balance in the valve body.

In a specific implementation scheme, the top of the balance rod is provided with an external thread, the external thread is provided with a plurality of sliding grooves, the inner wall of the adjusting sleeve is provided with a plurality of sliding blocks which can be rotatably connected with the external thread, and the sliding grooves are used for the sliding blocks to slide.

Through adopting above-mentioned technical scheme, through seting up the spout on the external thread, set up the slider on adjusting the cover, when installing adjusting the cover on the balancing pole, the accessible removes the slider in the spout, directly slides adjusting the cover to suitable position, and the rethread rotates adjusting the cover and finely tunes adjusting the position of cover, the operation of being convenient for.

In a specific implementation scheme, a fixing block is arranged on the inner wall of the first cavity, a cavity is formed in the middle of the fixing block, the bottom end of the balancing rod penetrates through the cavity, and a gap for water to flow through is formed between the outer wall of the bottom of the balancing rod and the inner wall of the cavity.

Through adopting above-mentioned technical scheme, through setting up the fixed block, when the squirt closed suddenly, the balancing pole pushed down the switch module, made the cavity open, and first cavity and second cavity are linked together, and rivers flow into in the second cavity from the cavity between balancing pole outer wall and the fixed block inner wall, flow from return water channel again, and the pressure in the valves of being convenient for is adjusted.

In a specific implementation scheme, the middle of the balancing rod is provided with a limiting block, a step for limiting the limiting block is arranged in the second cavity, and the outer wall of the limiting block is in contact with the inner wall of the second cavity and is in sliding fit with the second cavity.

Through adopting above-mentioned technical scheme, carry on spacingly through the step to the stopper, can realize spacing to the stabilizer bar, control the distance of the motion of stabilizer bar, help avoiding the stabilizer bar to seal because of the too big cavity that leads to of displacement of lapse that moves down as far as possible, rivers in the second cavity can't follow in the cavity flows into first cavity.

In a specific implementation mode, a first sealing groove is formed in the side wall of the limiting block, and a first sealing ring is arranged in the first sealing groove.

Through adopting above-mentioned technical scheme, through setting up first sealing washer, rivers flow into the in-process of return water passageway from the second cavity, and first sealing washer can avoid rivers to flow from between the inner wall of stopper and second cavity as far as possible, helps reaching better sealed effect.

In a specific implementation scheme, a second sealing groove is formed in the inner wall of the connecting block, and a second sealing ring is arranged in the second sealing groove.

Through adopting above-mentioned technical scheme, through setting up the second sealing washer, the in-process in the rivers passageway rivers flow into the second cavity, can avoid rivers to flow out between the inner wall of connecting block and second cavity as far as possible to play better sealed effect to the rivers in the rivers passageway.

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

1. when the water gun is suddenly closed, water flow can flow out of the water return channel, so that the water pressure in the valve group pipeline can be relieved, the water pressure in the pipeline is kept balanced, and the pipeline can be prevented from being broken as much as possible;

2. through the arrangement of the connecting block, the connecting block is sleeved on the balancing rod, so that the balancing rod is conveniently placed into the valve body, the balancing rod is also conveniently taken out of the valve body, and the operation is convenient;

3. when installing the adjusting sleeve on the balancing pole, the accessible removes the slider in the spout, directly slides the adjusting sleeve to suitable position, and the rethread rotates the adjusting sleeve and finely tunes the position of adjusting sleeve, the operation of being convenient for.

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a sectional view of the internal structure of embodiment 1.

Fig. 3 is a schematic diagram of the explosive structure of example 1.

Fig. 4 is a schematic structural view of an adjustment sleeve in embodiment 2.

Description of the reference numerals:

1. a valve body; 2. a water inlet channel; 3. a water outlet channel; 31. a one-way valve core; 4. a first chamber; 5. a water return channel; 6. a second chamber; 7. a switch assembly; 8. a balancing pole; 9. connecting blocks; 10. a water flow channel; 11. a limiting block; 12. a step; 13. a first seal groove; 14. a first seal ring; 15. an adjusting sleeve; 16. adjusting the spring; 17. a chute; 18. a slider; 19. a fixed block; 20. a cavity; 21. a second seal groove; 22. and a second seal ring.

Detailed Description

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

Example 1:

the embodiment of the application discloses valves pressure balance mechanism, refer to fig. 1 and 2, valves pressure balance mechanism includes a plurality of valve bodies 1, and 1 one side of valve body is equipped with inlet channel 2 that is used for supplying water to a plurality of valve bodies 1, and the opposite side is equipped with outlet channel 3, is equipped with one-way valve core 31 in the outlet channel 3. A first cavity 4 is arranged between the water inlet channel 2 and the water outlet channel 3, a water return channel 5 is also arranged on the valve body 1, and the water return channel 5 is communicated with each valve body 1. A second chamber 6 is arranged between the water return channel 5 and the water outlet channel 3, the first chamber 4 and the second chamber 6 are demarcated by a dotted line in fig. 2, and the first chamber 4 is communicated with the second chamber 6. When the water gun is opened, water flow can flow into the water outlet channel 3 from the water inlet channel 2 through the first chamber 4.

Referring to fig. 2, a switch assembly 7 for opening and closing the second chamber 6 is arranged at the bottom of the first chamber 4, a balance rod 8 for driving the switch assembly 7 is arranged in the second chamber 6, a fixing block 19 is fixed on the inner wall of the first chamber, a cavity 20 is formed in the fixing block 19, the bottom end of the balance rod 8 penetrates through the cavity 20 to be in contact with the switch assembly 7, a gap is formed between the outer wall of the balance rod 8 and the inner wall of the cavity 20, the switch assembly 7 is in contact with the bottom wall of the fixing block 19, and the switch assembly 7 is used for controlling the opening and closing of the cavity 20. Be equipped with connecting block 9 in the second chamber 6 at 1 top of valve body, the connecting block 9 cover is established on balancing pole 8, balancing pole 8 and connecting block 9 sliding fit, connecting block 9 and 1 screw-thread fit of valve body. The balance bar 8 is convenient to install and detach by rotating the connecting block 9.

Referring to fig. 2, a water flow channel 10 is provided in the valve body 1, one end of the water flow channel 10 is communicated with the water outlet channel 3, and the other end is communicated with the second chamber 6. When the squirt on a valve body 1 was closed, because rivers in the exhalant canal 3 can't flow back through check valve core 31, rivers in the exhalant canal 3 flow into second chamber 6 from rivers passageway 10 in, rivers push down balancing pole 8, and balancing pole 8 promotes switch module 7 and opens to rivers in the inhalant canal 2 can follow second chamber 6 and flow into return water passageway 5. The water pressure in the water inlet channel 2 is balanced, so that the condition of pipeline breakage can be avoided as much as possible.

Referring to fig. 2 and 3, the balancing rod 8 is integrally formed with a limiting block 11, the limiting block 11 is arranged in the second chamber 6, the outer wall of the limiting block 11 is attached to the inner wall of the second chamber 6, a step 12 is integrally formed on the inner wall of the second chamber 6, and the step 12 is used for limiting the limiting block 11. A first sealing groove 13 is formed in the outer side wall of the limiting block 11, a first sealing ring 14 is arranged in the first sealing groove 13, and the first sealing ring 14 helps to prevent water flow from flowing out of a gap between the second chamber 6 and the limiting block 11 as far as possible. Second seal groove 21 has been seted up on the outer wall of connecting block 9, is equipped with second sealing washer 22 in the second seal groove 21, and second sealing washer 22 helps avoiding rivers to flow out between the inner wall of connecting block 9 and second cavity 6 as far as possible, helps strengthening sealed effect.

Referring to fig. 2 and 3, a thread is arranged at the top of the balance rod 8, an adjusting sleeve 15 is matched with the thread at the top of the balance rod 8, an adjusting spring 16 is arranged in the adjusting sleeve 15, the adjusting spring 16 is sleeved on the balance rod 8, one end of the adjusting spring 16 is in contact with the top wall of the connecting block 9, and the other end of the adjusting spring is in contact with the inner top wall of the adjusting sleeve 15. Through rotating adjusting sleeve 15, adjusting sleeve 15 extrudees adjusting spring 16 downwards, and adjusting spring 16 contracts, and elasticity grow to pushing down needs to exert bigger pressure to balancing pole 8, namely, can be according to the pressure of rivers, adjust adjusting sleeve 15's position, realize the pressure balance in the valve body 1.

The implementation principle of the embodiment of the application is as follows: firstly, the connecting block 9 is sleeved on the balance rod 8, then the connecting block 9 is screwed into the valve body 1, the balance rod 8 is installed, the elastic force of the adjusting spring 16 is adjusted by rotating the position of the adjusting sleeve 15 on the balance rod 8, and therefore the pressure required by pressing down the balance rod 8 by water flow can be controlled. When the water gun is opened, water flows into the first chamber 4 from the water inlet channel 2, flows into the water outlet channel 3 from the first chamber 4, and is sprayed out of the water gun. When the squirt suddenly closed, rivers in the exhalant canal 3 can't flow back through check valve core 31, rivers follow rivers passageway 10 and flow into in the second chamber 6, rivers push down balancing pole 8, balancing pole 8 promotes switch module 7 downwards, open switch module 7 to switch module 7 opens cavity 20, rivers in the inhalant canal 2 flow into in the second chamber 6 through cavity 20, flow into return water passageway 5 from second chamber 6 again, help the pressure in the balanced valves.

Example 2:

the difference between the embodiment of the present application and embodiment 1 is that, referring to fig. 4, a sliding groove 17 is formed on a thread at the top of the balance bar 8, a sliding block 18 is fixed on the inner wall of the adjusting sleeve 15, the sliding block 18 can slide in the sliding groove 17, and the sliding block 18 is rotatably connected with the thread. When the adjusting sleeve 15 is installed on the balance bar 8, the adjusting sleeve 15 does not need to be rotated for multiple times, the sliding block 18 can be directly slid into the sliding groove 17, the adjusting sleeve 15 is slid to a specified position, and then the position of the adjusting sleeve 15 on the balance bar 8 is finely adjusted by rotating the adjusting sleeve 15.

The implementation principle of the embodiment of the application is as follows: establish connecting block 9 cover on balancing pole 8 earlier, in with connecting block 9 screw in valve body 1 again, accomplish the installation to balancing pole 8, through sliding adjusting sleeve 15 in spout 17, with adjusting sleeve 15 preliminary removal to suitable position, rethread rotation adjusting sleeve 15 adjusts regulating spring 16's elasticity to can control rivers and push down required pressure with balancing pole 8. When the water gun is opened, water flows into the first chamber 4 from the water inlet channel 2, then flows into the water outlet channel 3 from the first chamber 4, and is sprayed out of the water gun. When the squirt suddenly closed, rivers in the exhalant canal 3 can't flow back through check valve core 31, rivers flow into second chamber 6 from rivers passageway 10 in, rivers push down balancing pole 8, balancing pole 8 promotes switch module 7 downwards, open switch module 7 to switch module 7 opens cavity 20, rivers in the passageway of intaking 2 flow into second chamber 6 through cavity 20 in, flow into return water passageway 5 from second chamber 6 again in, help the pressure in the balanced valves.

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 utility model provides a valves pressure balance mechanism, includes a plurality of valve bodies (1), inhalant canal (2) have been seted up to valve body (1) one side, and exhalant canal (3) have been seted up to the opposite side, inhalant canal (2) are used for supplying water to a plurality of valve bodies (1), be equipped with first cavity (4) between inhalant canal (2) and exhalant canal (3), every still seted up return water passageway (5) on valve body (1), be equipped with second cavity (6) between exhalant canal (3) and return water passageway (5), first cavity (4) are linked together its characterized in that with second cavity (6): the improved water-saving valve is characterized in that a one-way valve core (31) is arranged in the water outlet channel (3), a water flow channel (10) is formed in the valve body (1), one end of the water flow channel (10) is communicated with the water outlet channel (3), the other end of the water flow channel is communicated with the second chamber (6), a switch assembly (7) used for opening and closing the second chamber (6) is arranged in the first chamber (4), a balance rod (8) used for driving the switch assembly (7) is arranged in the second chamber (6), and the balance rod (8) is in sliding fit with the second chamber (6).

2. The valve stack pressure balancing mechanism of claim 1, wherein: the balance rod (8) is sleeved with a connecting block (9), the connecting block (9) is arranged in the second cavity (6), and the connecting block (9) is detachably connected with the valve body (1).

3. The valve stack pressure balancing mechanism of claim 1, wherein: the balance bar (8) is sleeved with an adjusting sleeve (15), the adjusting sleeve (15) is connected with the balance bar (8), the balance bar (8) is sleeved with an adjusting spring (16), the adjusting spring (16) is arranged in the adjusting sleeve (15), one end of the adjusting spring (16) is in contact with the connecting block (9), and the other end of the adjusting spring is in contact with the inner top wall of the adjusting sleeve (15).

4. The valve stack pressure balancing mechanism of claim 3, wherein: the top of balancing pole (8) is equipped with the external screw thread, a plurality of spout (17) have been seted up on the external screw thread, be equipped with on the inner wall of adjusting collar (15) a plurality of can with the slider (18) that the external screw thread is rotated and is connected, spout (17) are used for supplying slider (18) to slide.

5. The valve stack pressure balancing mechanism of claim 1, wherein: be equipped with fixed block (19) on the inner wall of first cavity (4), cavity (20) have been seted up in fixed block (19) middle part, cavity (20) are passed to the bottom of balancing pole (8), have the clearance that is used for the water current to pass through between the outer wall of balancing pole (8) bottom and the inner wall of cavity (20).

6. The valve stack pressure balancing mechanism of claim 1, wherein: the balance rod (8) is provided with a limiting block (11) in the middle, a step (12) used for limiting the limiting block (11) is arranged in the second cavity (6), and the outer wall of the limiting block (11) is in contact with the inner wall of the second cavity (6) and is in sliding fit with the second cavity (6).

7. The valve stack pressure balancing mechanism of claim 6, wherein: a first sealing groove (13) is formed in the side wall of the limiting block (11), and a first sealing ring (14) is arranged in the first sealing groove (13).

8. The valve stack pressure balancing mechanism of claim 2, wherein: a second sealing groove (21) is formed in the inner wall of the connecting block (9), and a second sealing ring (22) is arranged in the second sealing groove (21).