CN216843134U - Durable stop valve capable of controlling balance pressure difference - Google Patents
Durable stop valve capable of controlling balance pressure difference Download PDFInfo
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- CN216843134U CN216843134U CN202121207090.3U CN202121207090U CN216843134U CN 216843134 U CN216843134 U CN 216843134U CN 202121207090 U CN202121207090 U CN 202121207090U CN 216843134 U CN216843134 U CN 216843134U
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- valve rod
- rod
- clack
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Abstract
The utility model discloses a steerable balanced pressure differential's durable stop valve, include: the valve body mechanism and the valve rod mechanism, the valve rod mechanism at the middle lower part is arranged in the valve body mechanism, the top of the valve rod mechanism is arranged above the valve body mechanism, the valve rod mechanism comprises a hand wheel, a valve rod is arranged below the hand wheel and connected with the hand wheel, a valve rod nut is arranged at the top of the valve rod, the valve rod nut is arranged above the hand wheel, the middle upper part of the valve rod is provided with threads, the bottom of the valve rod is provided with a valve clack, the valve clack is connected with the valve rod, the upper part of the valve clack is provided with a fixed valve, the fixed valve is connected with the valve rod and the valve clack, one side of the valve rod is provided with an opening and closing valve, the opening and closing valve is connected with the valve rod, when the valve rod is closed, a part of the closing water quantity of the opening and closing valve is remained at the rear part of the pipe outlet, and the formed water pressure is offset with the water pressure below the valve clack of the water inlet pipe, so that the water pressures on the two sides of the valve clack are balanced, and the service life of the valve is prolonged.
Description
Technical Field
The utility model relates to a stop valve technical field, concretely relates to durable stop valve of steerable balanced pressure differential.
Background
The valve industry in our country is a labor intensive industry. In export products in China, labor-intensive products can occupy a leading position in a short time, and meanwhile, the advantages of stop valve products at the export of the labor-intensive products are gradually weakened according to various reasons. The valve industry of china wants to have long-term development, must optimize the industrial structure, fully exerts the industry advantage of traditional valve, will develop knowledge, the intensive industry of technique and emerging industry again vigorously to promote the upgrading of valve industry, based on the aforesaid the utility model discloses a release a durable stop valve of steerable balanced pressure differential.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a durable stop valve capable of controlling the balance pressure difference to solve the above technical problems.
In order to achieve the above object, the utility model provides a following technical scheme:
a durable shut-off valve capable of controlling an equilibrium pressure differential, comprising: valve body mechanism and valve rod mechanism, well lower part valve rod mechanism sets up in valve body mechanism, and establishes in valve body mechanism top at the valve rod mechanism top, valve rod mechanism includes the hand wheel, the hand wheel below is equipped with the valve rod, valve rod and hand wheel connection, the valve rod top is equipped with valve-stem nut, valve-stem nut sets up in the hand wheel top, upper portion is equipped with the screw thread in the valve rod, the valve rod bottom is equipped with the valve clack, the valve clack is connected with the valve rod, valve clack upper portion is equipped with the fixed valve, the fixed valve is connected with valve rod and valve clack, valve rod one side is equipped with the on-off valve, the on-off valve is connected with the valve rod, wherein, the start of on-off valve with close all with the unanimity of stop valve.
Further, the valve body mechanism comprises an upper valve body and a lower valve body, a valve port is arranged at the top of the upper valve body, packing is arranged below the valve port, packing glands are arranged below two sides of the packing, fixing nuts are arranged on the packing glands, bolts are arranged below the fixing nuts, T-shaped bolts are arranged inside the upper valve body on one side of the bolts and matched with threads on the valve rod, and an upper valve cover is arranged at the lower part of the upper valve body.
Furthermore, the lower valve body comprises a lower valve cover, the lower valve cover corresponds to the upper valve cover, an inlet pipe orifice is formed in the lower valve cover, an outlet pipe orifice is formed in the inlet pipe orifice and the rear portion of the lower valve cover, the inlet pipe orifice is communicated with the outlet pipe orifice, and the joint of the inlet pipe orifice and the outlet pipe orifice is isolated through a valve clack.
Furthermore, a sealing gasket is arranged between the upper valve cover and the lower valve cover.
Furthermore, the connection part of the inlet pipe orifice and the outlet pipe orifice is in an up-and-down trend to form a height difference.
According to the above technical solution, the utility model has the advantages that:
1. the utility model discloses an it can open and close with the valve rod in step to be equipped with an on-off valve in the valve body down, and when the valve rod closed, the on-off valve closed the water yield and can stop partly in outlet pipe rear portion position, and the water pressure formation that forms water pressure and inlet tube valve clack department below offsets each other to the water pressure on balanced valve clack both sides, the life of the valve that also increases.
2. The utility model discloses simple structure, processing are easy, low cost.
3. The utility model discloses a material such as stainless steel makes the product more durable, more permanent of life.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic plan sectional view of the present invention.
List of reference numerals: the valve body mechanism 1, the valve rod mechanism 2, the hand wheel 21, the valve rod 22, the thread 23, the valve clack 24, the fixed valve 25, the opening and closing valve 26, the valve rod nut 27, the upper valve body 11, the valve port 111, the packing 112, the packing gland 113, the fixed nut 114, the bolt 115, the T-shaped bolt 116, the upper valve cover 117, the lower valve body 12, the lower valve cover 121, the inlet pipe 122, the outlet pipe 123 and the sealing gasket 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 2, as shown in fig. 1 to 2:
a durable shut-off valve capable of controlling equilibrium differential pressure comprising: valve body mechanism 1 and valve rod mechanism 2, well lower part valve rod mechanism 2 sets up in valve body mechanism 1, and establishes in valve body mechanism 1 top at the top of valve rod mechanism 2, valve rod mechanism 2 includes hand wheel 21, the hand wheel 21 below is equipped with valve rod 22, and valve rod 22 is connected with hand wheel 21, the valve rod 22 top is equipped with valve-stem nut 27, valve-stem nut 27 sets up in hand wheel 21 top, upper portion is equipped with screw 23 in the valve rod 22, valve rod 22 bottom is equipped with valve clack 24, valve clack 24 is connected with valve rod 22, valve clack 24 upper portion is equipped with fixed valve 25, fixed valve 25 is connected with valve rod 22 and valve clack 24, valve rod 22 one side is equipped with open-close valve 26, open-close valve 26 is connected with valve rod 22, wherein, the start and the close-close valve 26 all with the unanimity of stop valve, the utility model discloses a be equipped with an open-close valve in the valve body down can with the valve rod synchronous opening and closing, when the valve rod is closed, a part of the closing water quantity of the opening and closing valve is remained at the rear part of the pipe outlet, and the formed water pressure is offset with the water pressure below the valve clack of the water inlet pipe, so that the water pressures on the two sides of the valve clack are balanced, and the service life of the valve is prolonged.
The valve body mechanism 1 comprises an upper valve body 11 and a lower valve body 12, wherein a valve port 111 is arranged at the top of the upper valve body 11, a packing 112 is arranged below the valve port 111, packing glands 113 are arranged below two sides of the packing 112, fixing nuts 114 are arranged on the packing glands 113, bolts 115 are arranged below the fixing nuts 114, T-shaped bolts 116 are arranged inside the upper valve body 11 on one side of the bolts 115, the T-shaped bolts 116 are matched with threads 23 on the valve rod 22, and an upper valve cover 117 is arranged at the lower part of the upper valve body 11.
The lower valve body 12 comprises a lower valve cover 121, the lower valve cover 121 corresponds to the upper valve cover 117, an inlet pipe 122 is arranged inside the lower valve cover 121, an outlet pipe 123 is arranged at the rear part of the inlet pipe 122, the inlet pipe 122 is communicated with the outlet pipe 123, and the joint of the inlet pipe 122 and the outlet pipe 123 is isolated by a valve clack 24.
A sealing gasket 13 is arranged between the upper valve cover 117 and the lower valve cover 121, the sealing gasket 13 can seal a gap generated by the connection of the upper valve cover 11 and the lower valve cover 12, so that the upper valve cover 11 and the lower valve cover 12 are connected without direct contact, and the gap is generated between the upper valve cover 11 and the lower valve cover 12 through the sealing gasket 13.
The connection part of the inlet pipe opening 122 and the outlet pipe opening 123 is in an up-and-down trend to form a height difference, and according to the characteristics of the stop valve, the intersection between the inlet pipe opening 122 and the outlet pipe opening 123 is in an up-and-down interactive connection, so that the inlet pipe opening 122 and the outlet pipe opening 123 form a height difference.
The utility model discloses a theory of operation: when the stop valve need open the messenger, rotate the hand wheel, the hand wheel drives the valve rod and makes the valve rod along the screw thread on the valve rod at the T shape bolt rebound of turning out, drives the valve clack rebound of valve rod lower part, and the valve rod rebound is followed to the open-close valve, makes down the valve body rivers opening open, and rivers flow. When the stop valve is closed to enable the hand wheel to rotate reversely, the hand wheel drives the valve rod to rotate into the T-shaped bolt, the valve clack at the lower part of the valve rod also moves downwards to block the water flowing port below the valve rod, water flow stops flowing, and the opening and closing valve also moves downwards according to the valve rod to form sealing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A durable shut-off valve capable of controlling an equilibrium pressure differential, comprising: valve body mechanism (1) and valve rod mechanism (2), valve rod mechanism (2) sets up in valve body mechanism (1), and valve rod mechanism (2) top is established in valve body mechanism (1) top, valve rod mechanism (2) include hand wheel (21), hand wheel (21) below is equipped with valve rod (22), and valve rod (22) are connected with hand wheel (21), valve rod (22) top is equipped with valve-stem nut (27), valve-stem nut (27) set up in hand wheel (21) top, upper portion is equipped with screw thread (23) in valve rod (22), valve rod (22) bottom is equipped with valve clack (24), valve clack (24) are connected with valve rod (22), valve clack (24) upper portion is equipped with fixed valve (25), fixed valve (25) are connected with valve rod (22) and valve clack (24), valve rod (22) one side is equipped with open-close valve (26), open-close valve (26) are connected with valve rod (22), wherein, the start and the close of the open-close valve (26) are consistent with the stop valve.
2. The durable stop valve capable of controlling the balanced pressure difference according to claim 1, wherein the valve body mechanism (1) comprises an upper valve body (11) and a lower valve body (12), a valve port (111) is arranged at the top of the upper valve body (11), a packing (112) is arranged below the valve port (111), packing glands (113) are arranged below two sides of the packing (112), fixing nuts (114) are arranged on the packing glands (113), bolts (115) are arranged below the fixing nuts (114), T-shaped bolts (116) are arranged inside the valve body (11) on one side of the bolts (115), the T-shaped bolts (116) are matched with threads (23) on the valve rod (22), and an upper valve cover (117) is arranged below the upper valve body (11).
3. The durable stop valve capable of controlling the balance pressure difference according to claim 2, wherein the lower valve body (12) comprises a lower valve cover (121), the lower valve cover (121) corresponds to the upper valve cover (117), an inlet pipe orifice (122) is arranged inside the lower valve cover (121), an outlet pipe orifice (123) is arranged at the rear part of the inlet pipe orifice (122), the inlet pipe orifice (122) is communicated with the outlet pipe orifice (123), and the joint of the inlet pipe orifice (122) and the outlet pipe orifice (123) is isolated by a valve clack (24).
4. Durable shut-off valve with controllable equilibrium pressure difference according to claim 3, characterized in that a sealing gasket (13) is arranged between the upper valve cover (117) and the lower valve cover (121).
5. The durable shut-off valve capable of controlling the balance pressure difference according to claim 3, wherein the joint of the inlet nozzle (122) and the outlet nozzle (123) is in an up-and-down trend to form a height difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207090.3U CN216843134U (en) | 2021-06-01 | 2021-06-01 | Durable stop valve capable of controlling balance pressure difference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121207090.3U CN216843134U (en) | 2021-06-01 | 2021-06-01 | Durable stop valve capable of controlling balance pressure difference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843134U true CN216843134U (en) | 2022-06-28 |
Family
ID=82081900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121207090.3U Active CN216843134U (en) | 2021-06-01 | 2021-06-01 | Durable stop valve capable of controlling balance pressure difference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843134U (en) |
-
2021
- 2021-06-01 CN CN202121207090.3U patent/CN216843134U/en active Active
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