CN213206575U - Hard sealing stop valve - Google Patents
Hard sealing stop valve Download PDFInfo
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- CN213206575U CN213206575U CN202022061191.6U CN202022061191U CN213206575U CN 213206575 U CN213206575 U CN 213206575U CN 202022061191 U CN202022061191 U CN 202022061191U CN 213206575 U CN213206575 U CN 213206575U
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- valve
- connecting cylinder
- valve body
- sealing
- valve rod
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Abstract
The utility model discloses a hard seal stop valve, which comprises a valve body, through double-screw bolt subassembly fixedly connected with connecting cylinder on the valve body, the inside on the top of connecting cylinder closes soon and is connected with the closing cap, it has the valve rod to run through on closing cap and the connecting cylinder, and the end of valve rod is connected with and is located the inside connection skeleton of valve body, the lower terminal surface fixedly connected with valve clack of connection skeleton, and the lower part of valve clack has the level and fixes the disk seat on the valve body, the clamp plate has between valve body and the connecting cylinder, the position that the valve rod is located the upper portion of clamp plate has spacing ring one and sealed lamella, the upper portion of sealed lamella has the seal receptacle on the connecting cylinder. The utility model discloses in, the setting of clamp plate and spacing ring one prevents that the valve clack from excessively extrudeing the disk seat, and when the valve opened and shut, sealed lamella and seal receptacle butt for valve seal nature reinforcing, this valve have the oneself and protect the mechanism, and the leakproofness is good, uses in the highly compressed pipeline of high temperature, has longer life.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to hard seal stop valve.
Background
A hard sealing stop valve is used on high-temperature and high-pressure pipelines in the industries of petroleum, chemical industry, chemical fiber, oil refining, metallurgy, thermal power plants, nuclear power stations and the like, reduces abrasion in the process of conveying media, ensures the sealing effect, and is a valve with wear resistance, corrosion resistance, scouring resistance and strong sealing property. However, the existing hard seal stop valve does not have a protection device for the valve seat, and the service life of the valve seat is reduced due to the excessive extrusion of the valve clack on the valve seat.
Therefore, the utility model provides a stop valve sealed firmly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, a hard seal stop valve is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
hard seal stop valve, including the valve body, through double-screw bolt subassembly fixedly connected with connecting cylinder on the valve body, the inside on the top of connecting cylinder closes soon and is connected with the closing cap, it has the valve rod to run through on closing cap and the connecting cylinder, and the end of valve rod is connected with the connection skeleton that is located the valve body inside, the lower terminal surface fixedly connected with valve clack of connection skeleton, and the lower part of valve clack has the level and fixes the disk seat on the valve body, the clamp plate has between valve body and the connecting cylinder, the position that the valve rod is located the upper portion of clamp plate has spacing ring one and sealing flap, the upper portion of sealing flap has the seal receptacle on the connecting cylinder.
As a further description of the above technical solution:
the top of the valve rod is provided with a second limiting ring and a hand wheel is clamped through a screw cap connected in a screwing mode.
As a further description of the above technical solution:
the sealing flap is a frustum-shaped member sleeved on the valve rod, and the sealing seat is provided with a frustum-shaped groove abutted against the sealing flap.
As a further description of the above technical solution:
the sealing cover is provided with an external thread which is screwed with the internal thread on the connecting cylinder, and the valve rod penetrates through the sealing cover and is screwed with the sealing cover.
As a further description of the above technical solution:
the pressing plate is clamped on the valve body, an annular groove is formed in the valve body at the abutting position of the valve body and the connecting cylinder, and the pressing plate is clamped in the groove.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, the setting of clamp plate and spacing ring one prevents that the valve clack from excessively extrudeing the disk seat, and when the valve opened and shut, sealed lamella and seal receptacle butt for valve seal nature reinforcing, this valve have the oneself and protect the mechanism, and the leakproofness is good, uses in the highly compressed pipeline of high temperature, has longer life.
2. The utility model discloses in, the simple structure of hard seal stop valve, the installation and the maintenance of being convenient for, the firm installation of clamp plate is between valve body and connecting cylinder, and the setting of clamp plate makes the valve rod stable.
Drawings
Fig. 1 shows a schematic front view cross-sectional structure diagram provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a valve body; 2. a connecting cylinder; 3. sealing the cover; 4. a valve stem; 5. connecting the framework; 6. a valve flap; 7. a valve seat; 8. pressing a plate; 9. a first limiting ring; 10. sealing the flap; 11. a sealing seat; 12. a second limiting ring; 13. a nut; 14. a hand wheel; 15. a stud assembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a hard sealing stop valve comprises a valve body 1, a connecting cylinder 2 is fixedly connected on the valve body 1 through a stud component 15, a sealing cover 3 is screwed and connected inside the top end of the connecting cylinder 2, a valve rod 4 penetrates through the sealing cover 3 and the connecting cylinder 2, the end of the valve rod 4 is connected with a connecting framework 5 positioned in the valve body 1, the lower end surface of the connecting framework 5 is fixedly connected with a valve clack 6, the lower portion of the valve clack 6 is provided with a valve seat 7 which is horizontally fixed on the valve body 1, the valve clack 6 is clamped inside the connecting framework 5, the valve seat 7 is a component made of ceramic sealing materials, the valve clack 6 and the sealing clack 10 are made of metal materials, a pressing plate 8 is arranged between the valve body 1 and the connecting cylinder 2, the position, located on the upper portion of the pressing plate 8, of the valve rod 4 is provided with a first limiting ring 9 and the sealing clack 10, the first limiting ring 9 and the valve rod 4 are integrally arranged, the upper portion of the sealing clack 10 is provided with a sealing seat 11 on the connecting cylinder 2, and the sealing seat 11.
Specifically, as shown in fig. 1, the top of the valve rod 4 is provided with a second limit ring 12, and a hand wheel 14 is clamped by a screw cap 13 connected in a screwing manner, so that the valve rod 4 can be conveniently rotated.
Specifically, as shown in fig. 1, the sealing flap 10 is a member of a frustum shape sleeved on the valve rod 4, the sealing seat 11 is provided with a groove of a frustum shape abutted to the sealing flap 10, the sealing flap 10 moves upwards and abuts to the sealing seat 11 under the driving of the valve rod 4, and the sealing flap is clamped inside the groove of the sealing seat 11, so that the connecting cylinder 2 is sealed, and the medium is prevented from leaking from the connecting cylinder 2.
Specifically, as shown in fig. 1, the sealing cap 3 has an external thread screwed with an internal thread on the connecting cylinder 2, the valve rod 4 penetrates through the sealing cap 3 and is screwed with the sealing cap 3, and the sealing cap 3 is fixed on the connecting cylinder 2, so that the valve rod 4 can rotate, and the valve rod 4 can move up and down.
Specifically, as shown in fig. 1, an annular groove is formed in the valve body 1 at the abutting position of the valve body 1 and the connecting cylinder 2, the pressing plate 8 is clamped in the groove, and the pressing plate 8 is used for stabilizing the valve rod 4 and preventing a medium from directly flowing into the connecting cylinder 2.
The working principle is as follows: when the valve is used, the hand wheel 14 is rotated, the valve rod 4 moves upwards, the valve clack 6 and the valve seat 7 are opened and closed, the stop valve is opened and closed, a medium passes through the stop valve, and the sealing clack 10 abuts against the sealing seat 11 to seal the valve. When the hand wheel 14 is screwed on to close the valve, the valve clack 6 is abutted to the valve seat 7, and meanwhile, the first limiting ring 9 is abutted to the pressing plate 8 to prevent the valve clack 6 from overpressure on the valve seat 7, so that the valve clack 6 or the valve seat 7 is broken.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A hard seal stop valve comprises a valve body (1) and is characterized in that a connecting cylinder (2) is fixedly connected to the valve body (1) through a stud component (15), the inside of the top end of the connecting cylinder (2) is screwed and connected with a sealing cover (3), a valve rod (4) penetrates through the sealing cover (3) and the connecting cylinder (2), the end of the valve rod (4) is connected with a connecting framework (5) positioned in the valve body (1), the lower end surface of the connecting framework (5) is fixedly connected with a valve flap (6), and the lower part of the valve clack (6) is provided with a valve seat (7) horizontally fixed on the valve body (1), a pressure plate (8) is arranged between the valve body (1) and the connecting cylinder (2), the valve rod (4) is provided with a first limiting ring (9) and a sealing flap (10) at the upper part of the pressure plate (8), the upper part of the sealing flap (10) is provided with a sealing seat (11) on the connecting cylinder (2).
2. The hard seal stop valve according to claim 1, characterized in that the top of the valve rod (4) is provided with a second limit ring (12) and a hand wheel (14) is clamped through a screw cap (13) which is screwed in connection.
3. A hard-sealing stop valve according to claim 1, characterized in that the sealing flap (10) is a frustum-shaped member fitted over the valve stem (4), and the sealing seat (11) has a frustum-shaped recess abutting against the sealing flap (10).
4. A hard-sealing stop valve according to claim 1, characterized in that the cover (3) has an external thread which is screwed with an internal thread provided on the connecting cylinder (2), and the valve rod (4) penetrates through the cover (3) and is screwed with the cover (3).
5. The hard seal stop valve according to claim 1, characterized in that the pressure plate (8) is clamped on the valve body (1), an annular groove is formed on the valve body (1) at the abutting position of the valve body (1) and the connecting cylinder (2), and the pressure plate (8) is clamped in the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022061191.6U CN213206575U (en) | 2020-09-19 | 2020-09-19 | Hard sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022061191.6U CN213206575U (en) | 2020-09-19 | 2020-09-19 | Hard sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213206575U true CN213206575U (en) | 2021-05-14 |
Family
ID=75821585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022061191.6U Active CN213206575U (en) | 2020-09-19 | 2020-09-19 | Hard sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213206575U (en) |
-
2020
- 2020-09-19 CN CN202022061191.6U patent/CN213206575U/en active Active
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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: Hard seal globe valve Effective date of registration: 20220817 Granted publication date: 20210514 Pledgee: Zhejiang Wenzhou Longwan rural commercial bank Limited by Share Ltd. Yongxing branch Pledgor: Naiyi Valve Manufacturing Co.,Ltd. Registration number: Y2022330001810 |