CN218294456U - Over-and-under type stop valve control device - Google Patents

Over-and-under type stop valve control device Download PDF

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Publication number
CN218294456U
CN218294456U CN202222551887.6U CN202222551887U CN218294456U CN 218294456 U CN218294456 U CN 218294456U CN 202222551887 U CN202222551887 U CN 202222551887U CN 218294456 U CN218294456 U CN 218294456U
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China
Prior art keywords
piston
valve
piston cylinder
cylinder
valve rod
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CN202222551887.6U
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Chinese (zh)
Inventor
洪荣坤
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Tianjin Tanggu No1 Valve Co ltd
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Tianjin Tanggu No1 Valve Co ltd
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Abstract

The utility model discloses a stop valve controlling means of over-and-under type, including ending the valve body, be provided with the valve clack of control medium break-make in ending the valve body, the valve clack links to each other with the valve rod, is provided with the guide box above ending the valve body, and the guide box upper end is provided with the piston cylinder, and during the valve rod passed the guide box and entered into the piston cylinder, the valve rod linked to each other with the piston, and the piston cylinder is split type piston cylinder, and the piston cylinder includes the cylinder of cavity section of thick bamboo type, and the cylinder lower extreme links to each other with the lower end cap is sealed, and the cylinder upper end links to each other with the upper end cap is sealed. The utility model discloses a set up the guide box in the valve body, guarantee valve rod upper end lift movement's stability, realize through the guide box fixed to the piston cylinder, realize through upper end cover, lower end cover airtight fixed to the cylinder, the ladder head structure through the valve rod upper segment is convenient for install the piston to make the piston drive jar pole go up and down, thereby it goes up and down to realize the on-off control to the pipeline to drive the valve clack, the utility model discloses be convenient for carry out operation control to the major diameter stop valve.

Description

Stop valve controlling means of over-and-under type
Technical Field
The utility model belongs to the technical field of the stop valve control, concretely relates to stop valve control device of over-and-under type.
Background
The stop valve utilizes the valve clack to carry out pipeline control, drives the valve clack through the valve rod to realize the passageway and the short circuit control of the medium of well low reaches in the valve body, the stop valve owing to only one sealed face on the valve clack, this kind of structure can make the manufacturing and processing of stop valve convenient, and the manufacturability is good, moreover more be convenient for maintain.
However, the control of the large-size stop valve also has the problems that the field operation is required, and the operation needs to be performed by a large amount of manpower.
Disclosure of Invention
The utility model is provided for solving the problems existing in the prior art, and aims to provide a lifting type stop valve control device.
The technical scheme of the utility model is that: the lifting stop valve control device comprises a stop valve body, wherein a valve clack for controlling the on-off of a medium is arranged in the stop valve body, the valve clack is connected with a valve rod, a guide box is arranged above the stop valve body, a piston cylinder is arranged at the upper end of the guide box, the valve rod penetrates through the guide box and enters the piston cylinder, the valve rod is connected with a piston, and the piston cylinder is a split piston cylinder.
Furthermore, the piston cylinder comprises a hollow cylinder barrel, the lower end of the cylinder barrel is connected with the lower end cover in a sealing mode, and the upper end of the cylinder barrel is connected with the upper end cover in a sealing mode.
Furthermore, the upper end of the guide box forms a support extension, and the piston cylinder is arranged on the support extension.
Furthermore, a through hole is formed in the support extension, through holes are correspondingly formed in the lower end cover and the upper end cover, and a long bolt penetrates through the through holes from bottom to top and then is screwed with a connecting nut for fixing.
Furthermore, the end faces, facing the cylinder barrel, of the lower end cover and the upper end cover form inner convex portions, the inner convex portions are inserted into the cylinder barrel, and the lower end cover and the upper end cover clamp and fix the cylinder barrel.
Furthermore, a stepped head is formed at the top of the valve rod, an external thread is formed on the small-diameter section of the valve rod, and the small-diameter section of the valve rod penetrates through the central hole of the piston and then is screwed with the fixing nut, so that the piston and the valve rod are fixed.
Furthermore, the lower end of the piston and the inner wall of the piston cylinder are enclosed to form a piston cylinder control lower cavity, the upper end of the piston and the inner wall of the piston cylinder are enclosed to form a piston cylinder control upper cavity, and the piston cylinder control lower cavity and the piston cylinder control upper cavity are both closed cavities.
Furthermore, a linear bearing is arranged in the guide box, and the linear bearing maintains the lifting stability of the valve rod.
Furthermore, seal grooves are formed in the lower end cover and the upper end cover, the seal grooves correspond to the end faces of the cylinder barrel, and annular seal rings are arranged in the seal grooves.
The utility model discloses a set up the guide box in the valve body, guarantee valve rod upper end lift movement's stability, realize the fixed to the piston cylinder through the guide box, realize airtight fixed to the cylinder through upper end cover, lower end cover, the ladder head structure through the valve rod upper segment is convenient for install the piston to make the piston drive jar pole go up and down, thereby it goes up and down to realize the opening and close control to the pipeline to drive the valve clack, the utility model discloses be convenient for carry out operation control to the major diameter stop valve.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection of the piston of the present invention;
wherein:
1. urban water supply upstream end 2 urban water supply downstream end
3. Stop valve body 4 valve clack
5. Valve rod 6 pressure water control channel
7. Piston cylinder control lower cavity 8 control lower cavity channel
9. Piston 10 solenoid valve A
11. Control line A12 piston cylinder control upper cavity
13. Solenoid valve B for controlling upper cavity channel 14
15. Control line B16 PCB control box
17. Communication network A18 piston cylinder
19. Control line C20 control line D
21. Upper chamber evacuation control passage 22 evacuation solenoid valve A
23. Lower chamber evacuation control passage 24 evacuation solenoid valve B
25. Communication network B26 valve opening sensor
27. Upper computer 28 communication network C
29. Mobile control terminal 30 guide box
31. Long bolt 32 connecting nut
33. A linear bearing.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples:
as shown in fig. 1 to 2, the lifting stop valve control device comprises a stop valve body 3, a valve flap 4 for controlling the on-off of a medium is arranged in the stop valve body 3, the valve flap 4 is connected with a valve rod 5, a guide box 30 is arranged above the stop valve body 3, a piston cylinder 18 is arranged at the upper end of the guide box 30, the valve rod 5 penetrates through the guide box 30 and enters the piston cylinder 18, the valve rod 5 is connected with a piston 9, and the piston cylinder 18 is a split piston cylinder.
The piston cylinder 18 comprises a hollow cylinder barrel, the lower end of the cylinder barrel is connected with the lower end cover in a sealing mode, and the upper end of the cylinder barrel is connected with the upper end cover in a sealing mode.
The upper end of the guide box 30 forms a support extension on which the piston cylinder 18 is arranged.
Through holes are formed in the support extension, through holes are correspondingly formed in the lower end cover and the upper end cover, and the long bolt penetrates through the through holes from bottom to top and then is screwed with the connecting nut 32 for fixing.
The end faces, facing the cylinder barrel, of the lower end cover and the upper end cover form inner convex portions, the inner convex portions are inserted into the cylinder barrel, and the lower end cover and the upper end cover clamp and fix the cylinder barrel.
The top of the valve rod 5 forms a step head, the small-diameter section of the valve rod 5 forms an external thread, and the small-diameter section of the valve rod 5 penetrates through a center hole of the piston 9 and then is screwed with a fixing nut, so that the piston 9 and the valve rod 5 are fixed.
The piston 9 lower extreme encloses with the inner wall of piston cylinder 18 and closes and form piston cylinder control lower chamber 7, piston 9 upper end encloses with the inner wall of piston cylinder 18 and closes and form piston cylinder control epicoele 12, piston cylinder control lower chamber 7, piston cylinder control epicoele 12 are sealed chamber.
The guide box 30 is provided with a linear bearing 33, and the linear bearing 33 keeps the lifting stability of the valve rod 5.
Seal grooves are formed in the lower end cover and the upper end cover, the seal grooves correspond to the end faces of the cylinder barrel, and annular seal rings are arranged in the seal grooves.
Specifically, a support groove is arranged between the stop valve body 3 and the guide box 30, and the support groove realizes vertical transition between the stop valve body 3 and the guide box 30.
Specifically, a valve opening sensor 26 is disposed in the support groove, and the valve opening sensor 26 is commercially available and is used for detecting the lifting position of the valve rod 5, so as to determine the position of the valve flap 4.
For the external connection of the shut-off valve body 3, the specific structure is as follows:
the stop valve body 3 comprises a liquid inlet cavity and a liquid outlet cavity, the liquid inlet cavity is communicated with the upstream end 1 of the municipal water supply, and the liquid outlet cavity is communicated with the downstream end 2 of the municipal water supply.
The two ends of the stop valve body 3 form flange joints, flange plates are formed in the urban water supply upstream end 1 and the urban water supply downstream end 2, and the stop valve body 3 is communicated with the urban water supply upstream end 1 and the urban water supply downstream end 2 through flange structures, so that the sealing of a pipeline is guaranteed.
For the control connection of the piston 9 in the piston cylinder 18, the specific structure is as follows:
an external through hole is formed in the outer wall of the liquid inlet cavity of the stop valve body 3, a control assembly is arranged between the external through hole and the piston cylinder 18, and the control assembly controls the piston 9 in the piston cylinder 18.
Yet another embodiment
A valve clack 4 for controlling the on-off of a medium is arranged in the stop valve body 3, the valve clack 4 is connected with a valve rod 5, a guide box 30 is arranged above the stop valve body 3, a piston cylinder 18 is arranged at the upper end of the guide box 30, the valve rod 5 penetrates through the guide box 30 and enters the piston cylinder 18, the valve rod 5 is connected with a piston 9, and the piston cylinder 18 is a split type piston cylinder.
The piston cylinder 18 comprises a hollow cylinder barrel, the lower end of the cylinder barrel is connected with the lower end cover in a sealing mode, and the upper end of the cylinder barrel is connected with the upper end cover in a sealing mode.
The upper end of the guide box 30 forms a support extension on which the piston cylinder 18 is arranged.
Through holes are formed in the support extension, through holes are correspondingly formed in the lower end cover and the upper end cover, and the long bolt penetrates through the through holes from bottom to top and then is screwed with the connecting nut 32 for fixing.
The end faces, facing the cylinder barrel, of the lower end cover and the upper end cover form inner convex portions, the inner convex portions are inserted into the cylinder barrel, and the lower end cover and the upper end cover clamp and fix the cylinder barrel.
The top of the valve rod 5 forms a stepped head, the small-diameter section of the valve rod 5 forms an external thread, and the small-diameter section of the valve rod 5 passes through the central hole of the piston 9 and then is screwed with a fixing nut, so that the piston 9 and the valve rod 5 are fixed.
The lower end of the piston 9 and the inner wall of the piston cylinder 18 are enclosed to form a piston cylinder control lower cavity 7, the upper end of the piston 9 and the inner wall of the piston cylinder 18 are enclosed to form a piston cylinder control upper cavity 12, and the piston cylinder control lower cavity 7 and the piston cylinder control upper cavity 12 are sealed cavities.
The guide box 30 is provided with a linear bearing 33, and the linear bearing 33 keeps the lifting stability of the valve rod 5.
Seal grooves are formed in the lower end cover and the upper end cover, the seal grooves correspond to the end faces of the cylinder barrel, and annular seal rings are arranged in the seal grooves.
Specifically, a support groove is arranged between the stop valve body 3 and the guide box 30, and the support groove realizes vertical transition between the stop valve body 3 and the guide box 30.
Specifically, a valve opening sensor 26 is disposed in the support groove, and the valve opening sensor 26 is commercially available and is used for detecting the lifting position of the valve rod 5, so as to determine the position of the valve flap 4.
For the external connection of the shut-off valve body 3, the specific structure is as follows:
the stop valve body 3 comprises a liquid inlet cavity and a liquid outlet cavity, the liquid inlet cavity is communicated with the upstream end 1 of the municipal water supply, and the liquid outlet cavity is communicated with the downstream end 2 of the municipal water supply.
The two ends of the stop valve body 3 form flange joints, the urban water supply upstream end 1 and the urban water supply downstream end 2 form flange plates, and the stop valve body 3 is communicated with the urban water supply upstream end 1 and the urban water supply downstream end 2 through flange structures, so that the sealing of a pipeline is guaranteed.
For the control connection of the piston 9 in the piston cylinder 18, the specific structure is as follows:
an external through hole is formed in the outer wall of the liquid inlet cavity of the stop valve body 3, a control assembly is arranged between the external through hole and the piston cylinder 18, and the control assembly controls the piston 9 in the piston cylinder 18.
Specifically, the control assembly comprises a pressure water control channel 6, wherein the pressure water control channel 6 is communicated with an external through hole, and the pressure water control channel 6 is connected with the external through hole through a connecting joint.
The pressure water control channel 6 is communicated with an electromagnetic valve A10 and an electromagnetic valve B14, and the electromagnetic valve A10 and the electromagnetic valve B14 are connected in parallel.
The electromagnetic valve A10 is communicated with a control lower cavity channel 8, and the control lower cavity channel 8 is communicated with a piston cylinder control lower cavity 7.
The electromagnetic valve B14 is communicated with a control upper cavity channel 13, and the control upper cavity channel 13 is communicated with a piston cylinder control upper cavity 12.
An upper cavity emptying control channel 21 is formed in the upper end cover, and the upper cavity emptying control channel 21 is communicated with an emptying electromagnetic valve A22.
A lower cavity emptying control channel 23 is formed in the lower end cover, and the lower cavity emptying control channel 23 is communicated with an emptying electromagnetic valve B24.
Specifically, the upper control cavity channel 13 and the upper cavity emptying control channel 21 are both located in the upper end cover and are both in an L shape, and the upper control cavity channel 13 and the upper cavity emptying control channel 21 are both communicated with the piston cylinder control upper cavity 12.
Specifically, the control lower cavity passage 8 and the lower cavity emptying control passage 23 are both located in the lower end cover and are both L-shaped, and the control lower cavity passage 8 and the lower cavity emptying control passage 23 are both communicated with the piston cylinder control lower cavity 7.
More specifically, the electromagnetic valve a10 is connected to a control line a11, the electromagnetic valve B14 is connected to a control line B15, the emptying electromagnetic valve a22 is connected to a control line D20, and the emptying electromagnetic valve B24 is connected to a control line C19.
The control line A11, the control line B15, the control line C19 and the control line D20 are all connected into the PCB control box 16, and the PCB control box 16 is a control box which is sold in the market and provided with a wifi module.
The PCB control box 16 is communicated with an upper computer 27 through a communication network A17, and the upper computer 27 is communicated with a mobile control end 30 through a communication network C28.
The valve opening sensor 26 communicates with an upper computer 27 through a communication network B25.
The utility model discloses a working process as follows:
the water pressure at the upstream end 1 of the urban water supply is high, water flows to the stop valve body 3 and the downstream end 2 of the urban water supply, and at the moment, the stop valve body 3 normally operates; and (3) opening the valve, and transmitting the position opening of the valve clack 4 to an upper computer 27 through the valve rod 5, the valve opening sensor 26 and a communication network B25 and transmitting the position opening to a mobile control end 29.
When the opening of the stop valve is required to be increased, the control electromagnetic valve A10 and the emptying electromagnetic valve A22 are opened simultaneously through the upper computer 27, the communication network A17, the PCB control box 16, the control line A11 and the control line D20; at the moment, the pressure water on the upstream of the stop valve body 3 reaches a piston cylinder control lower cavity 7 through a pressure water control channel 6, a solenoid valve A10 and a control lower cavity channel 8; meanwhile, the piston cylinder controls the pressure water in the upper cavity 12 to be exhausted and decompressed through an upper cavity exhaust control channel 21 and an exhaust electromagnetic valve A22; the piston cylinder controls the lower cavity 7 to push the piston 9 to move upwards by the pressure water, and drives the valve rod 5 and the valve clack 4 to move, so that the opening degree of the valve is increased.
When the opening degree of the stop valve is required to be reduced or closed, the control electromagnetic valve B14 and the emptying electromagnetic valve B24 are simultaneously opened through the upper computer 27, the communication network A17, the PCB control box 16, the control line B15 and the control line C19; at the moment, the pressure water at the upstream of the stop valve body 3 reaches the piston cylinder control upper cavity 13 through the pressure water control channel 6, the electromagnetic valve B14 and the control upper cavity channel 13; meanwhile, the pressure water in the piston cylinder control lower cavity 7 is exhausted and decompressed through a control lower cavity emptying channel 23 and an emptying electromagnetic valve B24; the piston cylinder controls the upper cavity 13 to push the piston 9 to move downwards by the pressure water, the valve rod 5 and the valve clack 4 are driven to move, and the opening degree of the valve is reduced or closed.
The utility model discloses a set up the guide box in the valve body, guarantee valve rod upper end lift movement's stability, realize through the guide box fixed to the piston cylinder, realize through upper end cover, lower end cover airtight fixed to the cylinder, the ladder head structure through the valve rod upper segment is convenient for install the piston to make the piston drive jar pole go up and down, thereby it goes up and down to realize the on-off control to the pipeline to drive the valve clack, the utility model discloses be convenient for carry out operation control to the major diameter stop valve.

Claims (9)

1. The utility model provides a stop valve controlling means of over-and-under type, includes by valve body (3), be provided with valve clack (4) of control medium break-make in by valve body (3), valve clack (4) link to each other its characterized in that with valve rod (5): a guide box (30) is arranged above the stop valve body (3), a piston cylinder (18) is arranged at the upper end of the guide box (30), the valve rod (5) penetrates through the guide box (30) and enters the piston cylinder (18), the valve rod (5) is connected with the piston (9), and the piston cylinder (18) is a split type piston cylinder.
2. The raising/lowering type stop valve control apparatus according to claim 1, wherein: the piston cylinder (18) comprises a hollow cylinder barrel, the lower end of the cylinder barrel is connected with the lower end cover in a sealing mode, and the upper end of the cylinder barrel is connected with the upper end cover in a sealing mode.
3. The raising/lowering type stop valve control apparatus according to claim 2, wherein: the upper end of the guide box (30) forms a support extension, and the piston cylinder (18) is arranged on the support extension.
4. The raising/lowering type block valve control apparatus according to claim 3, wherein: a through hole is formed in the support extension, through holes are correspondingly formed in the lower end cover and the upper end cover, and a long bolt penetrates through the through holes from bottom to top and then is screwed with a connecting nut (32) for fixing.
5. The raising/lowering type block valve control apparatus according to claim 4, wherein: lower extreme cover, upper end cover form interior convex part towards the terminal surface of cylinder, interior convex part inserts in the cylinder, and lower extreme cover, upper end cover realize pressing from both sides tight fixedly to the cylinder.
6. The raising/lowering type stop valve control apparatus according to claim 5, wherein: the top of the valve rod (5) forms a step head, the small-diameter section of the valve rod (5) forms an external thread, and the small-diameter section of the valve rod (5) penetrates through a center hole of the piston (9) and then is screwed with the fixing nut, so that the piston (9) and the valve rod (5) are fixed.
7. The raising/lowering type block valve control apparatus according to claim 6, wherein: piston (9) lower extreme and the inner wall of piston cylinder (18) enclose and close and form piston cylinder control lower chamber (7), piston (9) upper end and the inner wall of piston cylinder (18) enclose and close and form piston cylinder control epicoele (12), piston cylinder control lower chamber (7), piston cylinder control epicoele (12) are airtight chamber.
8. The raising/lowering type stop valve control apparatus according to claim 7, wherein: a linear bearing (33) is arranged in the guide box (30), and the linear bearing (33) keeps the lifting stability of the valve rod (5).
9. The raising/lowering type stop valve control apparatus according to claim 8, wherein: seal grooves are formed in the lower end cover and the upper end cover, the seal grooves correspond to the end faces of the cylinder barrel, and annular seal rings are arranged in the seal grooves.
CN202222551887.6U 2022-09-27 2022-09-27 Over-and-under type stop valve control device Active CN218294456U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222551887.6U CN218294456U (en) 2022-09-27 2022-09-27 Over-and-under type stop valve control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222551887.6U CN218294456U (en) 2022-09-27 2022-09-27 Over-and-under type stop valve control device

Publications (1)

Publication Number Publication Date
CN218294456U true CN218294456U (en) 2023-01-13

Family

ID=84804999

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222551887.6U Active CN218294456U (en) 2022-09-27 2022-09-27 Over-and-under type stop valve control device

Country Status (1)

Country Link
CN (1) CN218294456U (en)

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