CN211145368U - Multiple corrugated pipe stop valve - Google Patents
Multiple corrugated pipe stop valve Download PDFInfo
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- CN211145368U CN211145368U CN201922215262.0U CN201922215262U CN211145368U CN 211145368 U CN211145368 U CN 211145368U CN 201922215262 U CN201922215262 U CN 201922215262U CN 211145368 U CN211145368 U CN 211145368U
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- valve
- valve rod
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Abstract
The utility model belongs to the technical field of stop valves, in particular to a multiple corrugated pipe stop valve, which comprises a valve body, a valve clack arranged in the valve body, a bracket fixedly connected with the top of the valve body and a driving mechanism used for driving the valve clack to do ascending and descending actions in the valve body; actuating mechanism includes hand wheel, valve rod and valve-stem nut, the one end and the valve clack of valve rod are connected, and the other end is connected with valve-stem nut, valve-stem nut locates the support, the support lower extreme is equipped with the recess, the valve rod passes the recess, from the bottom up once is equipped with filler, packing clamping ring and gland nut in the recess, the hand wheel with valve-stem nut fixed connection, the top of hand wheel is equipped with the valve gap, the valve gap is connected with valve-stem nut's top. The integral casting structure ensures the strength, has better streamline and achieves longer service life; triple high-pressure-resistant corrugated pipes are used, and the sealing performance under the high-pressure working condition is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the stop valve, concretely relates to multiple bellows stop valve.
Background
For valves with steam, inflammable, explosive, heat conducting oil, high-purity, toxic and other media, the sealing is the easiest, and the double-bellows-resistant stop valve can perform double sealing under the high-pressure condition. Because the bellows is multiwave, resists higher pressure, can carry out double seal simultaneously, and the first is bellows seal, and the second is general sealing packing seal, if the first heavy ripple completely bad condition, the second plays general sealing packing sealed ordinary stop valve and does the same and play the effect completely. Meanwhile, the valve rod can only do up-and-down lifting movement and does not do rotating movement.
Then, the conventional bellows stop valve is not resistant to high pressure. And do not seal well under high pressure conditions.
To solve the above problems, a multiple bellows shut-off valve is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the utility model provides a technical scheme that its technical problem adopted is:
the multiple corrugated pipe stop valve comprises a valve body, a valve clack arranged in the valve body, a support fixedly connected with the top of the valve body and a driving mechanism for driving the valve clack to ascend and descend in the valve body;
the driving mechanism comprises a hand wheel, a valve rod and a valve rod nut, one end of the valve rod is connected with the valve clack, the other end of the valve rod is connected with the valve rod nut, the valve rod nut is arranged on a support, a groove is formed in the lower end of the support, the valve rod penetrates through the groove, a filler pressing ring and a compression nut are arranged in the groove from bottom to top, the hand wheel is fixedly connected with the valve rod nut, a valve cover is arranged above the hand wheel, and the valve cover is connected with the top of the valve rod nut;
the anti-rotation combined ring is sleeved at the position, located at the lower end of the support, of the valve rod, triple corrugated pipes are arranged on the inner side of the anti-rotation combined ring, and the valve rod is sleeved on the triple corrugated pipes.
Preferably, the upper end of the bracket is provided with a support ring, and the valve rod penetrates through the support ring.
Preferably, the valve clack and the valve rod are fixedly connected by a positioning pin.
Preferably, the end part of the anti-rotation combination ring is arranged at the joint of the bracket and the valve body, and is provided with a sealing gasket.
Preferably, the valve rod nut is provided with an annular sliding groove, a convex block is arranged at the contact part of the top end of the support and the valve rod nut, and the convex block is embedded into the sliding groove.
Preferably, mounting holes are formed in two ends of the valve body.
Preferably, the multiple bellows stop valve is of a one-piece cast construction.
The above technical scheme of the utility model has following profitable technological effect:
1. the integral casting structure ensures the strength, has better streamline and achieves longer service life;
2. triple high-pressure-resistant corrugated pipes are used to ensure the sealing performance under the high-pressure working condition;
3. the anti-rotation structure of the anti-corrugated pipe is adopted, so that the corrugated pipe is prevented from rotating and damaging corrugations.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
reference numerals:
1. a valve body; 2. a valve flap; 3. positioning pins; 4. a triple bellows; 5. a first sealing gasket; 6. a second sealing gasket; 7. A valve stem; 8. an anti-rotation composite ring; 9. a bolt; 10. a support; 11. a filler; 12. packing and pressing a ring; 13. a compression nut; 14. A support ring; 15. a valve stem nut; 16. a hand wheel; 17. and a valve cover.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Referring to fig. 1, the multiple bellows shut-off valve is of an integrally cast construction.
The valve comprises a valve body 1, a valve clack 2 arranged in the valve body 1, a support 10 fixedly connected with the top of the valve body 1, and a driving mechanism for driving the valve clack 2 to ascend and descend in the valve body 1;
the driving mechanism comprises a hand wheel 16, a valve rod 7 and a valve rod nut 15, one end of the valve rod 7 is connected with the valve clack 2, the other end of the valve rod 7 is connected with the valve rod nut 15, the valve rod nut 15 is arranged on a support 10, a groove is formed in the lower end of the support 10, the valve rod 7 penetrates through the groove, a packing 11, a packing pressing ring 12 and a compression nut 13 are arranged in the groove from bottom to top, the hand wheel 16 is fixedly connected with the valve rod nut 15, a valve cover 17 is arranged above the hand wheel 16, and the valve cover 17 is connected with the top of the valve rod nut 15;
the anti-rotation combined ring 8 is sleeved at the position, located at the lower end of the support, of the valve rod 7, the triple corrugated pipe 4 is arranged on the inner side of the anti-rotation combined ring 8, and the valve rod 7 is sleeved on the triple corrugated pipe 4.
Further, the upper end of the bracket 10 is provided with a support ring 14, and the valve rod 7 passes through the support ring 14.
Further, the valve clack 2 and the valve rod 7 are fixedly connected through a positioning pin 3.
Furthermore, the end of the anti-rotation combination ring 8 is arranged at the joint of the bracket 10 and the valve body 1, and is provided with a sealing gasket.
Specifically, the upper surface of the end part of the anti-rotation combination ring 8 is provided with a first sealing gasket 5, and the lower surface is provided with a second sealing gasket 6.
Further, an annular sliding groove is formed in the valve rod nut 15, a protruding block is arranged at the contact position of the top end of the support 10 and the valve rod nut 15, and the protruding block is embedded into the sliding groove.
Further, mounting holes are formed in two ends of the valve body 1.
As shown in fig. 1, the handwheel 16 is rotated, the stem nut 15 rotates synchronously, and in this embodiment, the upper end of the valve rod 7 is provided with a thread structure adapted to the stem nut 15, so that the rotation of the stem nut 15 can drive the valve rod 7 (valve flap 2) to move up or down, thereby opening or closing the valve, and thus opening or closing the valve flow channel, thereby controlling the pipeline.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The multiple corrugated pipe stop valve is characterized by comprising a valve body (1), a valve clack (2) arranged in the valve body (1), a support (10) fixedly connected with the top of the valve body (1), and a driving mechanism for driving the valve clack (2) to ascend and descend in the valve body (1);
the driving mechanism comprises a hand wheel (16), a valve rod (7) and a valve rod nut (15), one end of the valve rod (7) is connected with the valve clack (2), the other end of the valve rod is connected with the valve rod nut (15), the valve rod nut (15) is arranged on the support (10), a groove is formed in the lower end of the support (10), the valve rod (7) penetrates through the groove, a filler (11), a filler pressing ring (12) and a compression nut (13) are arranged in the groove from bottom to top, the hand wheel (16) is fixedly connected with the valve rod nut (15), a valve cover (17) is arranged above the hand wheel (16), and the valve cover (17) is connected with the top of the valve rod nut (15);
the anti-rotation combined ring (8) is sleeved at the position, located at the lower end of the support, of the valve rod (7), the triple corrugated pipe (4) is arranged on the inner side of the anti-rotation combined ring (8), and the valve rod (7) is sleeved on the triple corrugated pipe (4).
2. Multiple bellows shut-off valve according to claim 1, characterised in that the upper end of the holder (10) is provided with a support ring (14), the valve stem (7) passing through the support ring (14).
3. Multiple bellows stop valve according to claim 1, characterized in that the valve flap (2) and the valve stem (7) are fixedly connected by means of a positioning pin (3).
4. Multiple bellows shut-off valve according to claim 1, characterized in that the anti-rotation combined ring (8) is provided at its end at the junction of the bracket (10) and the valve body (1) and provided with a sealing gasket.
5. The multiple bellows stop valve according to claim 1, wherein the stem nut (15) is provided with an annular sliding groove, and a contact portion of the top end of the bracket (10) and the stem nut (15) is provided with a projection which is embedded in the sliding groove.
6. The multiple bellows stop valve of claim 1, wherein both ends of the valve body (1) are provided with mounting holes.
7. The multiple bellows shut-off valve of claim 1 in a one-piece cast construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215262.0U CN211145368U (en) | 2019-12-11 | 2019-12-11 | Multiple corrugated pipe stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922215262.0U CN211145368U (en) | 2019-12-11 | 2019-12-11 | Multiple corrugated pipe stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145368U true CN211145368U (en) | 2020-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922215262.0U Active CN211145368U (en) | 2019-12-11 | 2019-12-11 | Multiple corrugated pipe stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898774A (en) * | 2021-09-16 | 2022-01-07 | 精工阀门集团有限公司 | High-pressure resistant external thread stop valve |
-
2019
- 2019-12-11 CN CN201922215262.0U patent/CN211145368U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898774A (en) * | 2021-09-16 | 2022-01-07 | 精工阀门集团有限公司 | High-pressure resistant external thread stop valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Multiple Bellows Globe Valve Effective date of registration: 20220729 Granted publication date: 20200731 Pledgee: Funing County sub branch of China Postal Savings Bank Co.,Ltd. Pledgor: Yancheng Suhao Valve Industry Co.,Ltd. Registration number: Y2022980011587 |