CN214305311U - Stop valve with erosion-proof sealing surface - Google Patents
Stop valve with erosion-proof sealing surface Download PDFInfo
- Publication number
- CN214305311U CN214305311U CN202120393966.1U CN202120393966U CN214305311U CN 214305311 U CN214305311 U CN 214305311U CN 202120393966 U CN202120393966 U CN 202120393966U CN 214305311 U CN214305311 U CN 214305311U
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- CN
- China
- Prior art keywords
- shell
- interlayer
- threaded rod
- stop valve
- connecting block
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- Expired - Fee Related
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Abstract
The utility model discloses a stop valve that sealed face anti-erosion, which comprises an outer shell, the inside of shell is provided with the interlayer, the lateral wall of interlayer and the inner wall integrated into one piece of shell, the inside intermediate position of shell is provided with the mechanism that opens and shuts, the top looks rigid coupling of connecting block and threaded rod, the dog is close to interlayer one side and is provided with the sealing washer, the sealing washer cup joints with the dog mutually. This stop valve of sealed face erosion prevention, it rotates to drive the pivot through rotating the carousel, in order to drive and change cover synchronous rotation, thereby drive the connecting block and pull the threaded rod synchronous rotation, make two dogs move or keep away from the interlayer to the interlayer direction in step under the screw thread effect of threaded rod, in order to realize opening the operation and closing the operation, after the long-term use of integrated mechanism, because the usual unidirectional motion of material in the pipe body, the erosion effect that consequently sealed face received is unidirectional, sealed operation still can effectively be realized to the sealed face of opposite side, in order to prolong the life of integrated mechanism.
Description
Technical Field
The utility model relates to a stop valve technical field specifically is a stop valve that sealed face anti-erosion.
Background
The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing. The valve of China has been specified in the 'three-in-one' mode, and the flow direction of the stop valve is uniformly from top to bottom, so that the stop valve has directionality during installation. The structure length of stop valve is greater than the gate valve, and fluid resistance is big simultaneously, and long-term operation, sealing reliability is not strong.
The sealing surface of the existing stop valve is easy to erode after long-term use, so that the sealing effect is influenced, the sealing effect of the stop valve is reduced, and the stop valve is normally used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stop valve that sealed face anti-erosion to solve the current stop valve that proposes in the above-mentioned background art, its sealed face is easy to be eroded after long-term the use, thereby influences sealed effect, leads to the sealed effect decline of stop valve, and then the problem of normal use.
In order to achieve the above object, the utility model provides a following technical scheme: a stop valve with an erosion-proof sealing surface comprises a shell, wherein an interlayer is arranged inside the shell, the outer side wall of the interlayer is integrally formed with the inner wall of the shell, and an opening and closing mechanism is arranged in the middle of the inside of the shell;
the opening and closing mechanism comprises a threaded rod, a connecting block, a sliding rod, a stop block and a sealing ring;
the utility model discloses a sealing device, including threaded rod, dog, interlayer, dog, connecting block, sealing washer, threaded rod, dog and sealing washer, the outside of threaded rod evenly is provided with a plurality of slide bars, the threaded rod links to each other with two dog threads, two the dog is about interlayer longitudinal symmetry, two the dog all cup joints with a plurality of slide bars slip, the top of threaded rod is provided with the connecting block, the connecting block is the looks rigid coupling with the top of threaded rod, the dog is close to interlayer one side and is provided with the sealing washer, the sealing washer cup joints with the dog mutually.
Preferably, the left and right sides of shell all is provided with the body, body and shell integrated into one piece, the body is kept away from shell one side and is provided with flange, flange and body integrated into one piece.
Preferably, the top end of the shell is provided with a control mechanism;
the control mechanism comprises an end cover, a bearing, a rotating sleeve, a rotating shaft and a rotating disc;
the end cover is fixedly connected with the shell through a bolt, the end cover is movably connected with the threaded rod through a bearing, the top end of the end cover is provided with a rotating sleeve, the rotating sleeve is sleeved with the connecting block, the rotating sleeve is fixedly connected with the connecting block through the bolt, a rotating shaft is arranged above the rotating sleeve, the bottom end of the rotating shaft and the upper surface of the rotating sleeve are integrally formed, a rotating disc is arranged at the top end of the rotating shaft, and the rotating disc is fixedly connected with the rotating shaft.
Preferably, an inner thread is formed on the inner wall of one side of the connecting flange of the pipe body.
Preferably, a reinforcing rib is fixedly connected between the shell and the pipe body.
Preferably, the outer wall of the rotating disc is processed with grinding grains.
Compared with the prior art, the beneficial effects of the utility model are that: this stop valve of sealed face erosion prevention, it rotates to drive the pivot through rotating the carousel, in order to drive and change cover synchronous rotation, thereby drive the connecting block and pull the threaded rod synchronous rotation, make two dogs move or keep away from the interlayer to the interlayer direction in step under the screw thread effect of threaded rod, in order to realize opening the operation and closing the operation, after the long-term use of integrated mechanism, because the usual unidirectional motion of material in the pipe body, the erosion effect that consequently sealed face received is unidirectional, sealed operation still can effectively be realized to the sealed face of opposite side, in order to prolong the life of integrated mechanism.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at B in fig. 1.
In the figure: 1. the sealing device comprises a shell, 2, an interlayer, 3, a pipe body, 4, internal threads, 5, a connecting flange, 6, an opening and closing mechanism, 601, a threaded rod, 602, a connecting block, 603, a sliding rod, 604, a stop block, 605, a sealing ring, 7, a control mechanism, 701, an end cover, 702, a bearing, 703, a rotating sleeve, 704, a rotating shaft, 705, a rotating disc, 8 and reinforcing ribs.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a stop valve with an erosion-proof sealing surface comprises a shell 1, wherein an interlayer 2 is arranged inside the shell 1, the outer side wall of the interlayer 2 and the inner wall of the shell 1 are integrally formed, and an opening and closing mechanism 6 is arranged in the middle of the inside of the shell 1; the opening and closing mechanism 6 comprises a threaded rod 601, a connecting block 602, a sliding rod 603, a stop block 604 and a sealing ring 605; the outer side of threaded rod 601 evenly is provided with a plurality of slide bars 603, threaded rod 601 and two dogs 604 threaded connection, two dogs 604 are symmetry about interlayer 2 from top to bottom, two dogs 604 all cup joint with a plurality of slide bars 603 in a sliding manner, the top of threaded rod 601 is provided with connecting block 602, connecting block 602 and threaded rod 601's top looks rigid coupling, dog 604 is close to interlayer 2 one side and is provided with sealing washer 605, sealing washer 605 cup joints with dog 604 mutually. The left and right sides of shell 1 all is provided with body 3, body 3 and shell 1 integrated into one piece, and body 3 keeps away from 1 one side of shell and is provided with flange 5, flange 5 and body 3 integrated into one piece. The sealing ring 605 is made of rubber.
The top end of the shell 1 is provided with a control mechanism 7; the control mechanism 7 comprises an end cover 701, a bearing 702, a rotating sleeve 703, a rotating shaft 704 and a rotating disc 705; the end cover 701 is fixedly connected with the shell 1 through a bolt, the end cover 701 is movably connected with the threaded rod 601 through a bearing 702, a rotating sleeve 703 is arranged above the end cover 701 at the top end, the rotating sleeve 703 is sleeved with the connecting block 602, the rotating sleeve 703 is fixedly connected with the connecting block 602 through a bolt, a rotating shaft 704 is arranged above the rotating sleeve 703, the bottom end of the rotating shaft 704 is integrally formed with the upper surface of the rotating sleeve 703, a rotating disc 705 is arranged at the top end of the rotating shaft 704, and the rotating disc 705 is fixedly connected with the rotating shaft 704. The inner wall of one side of the connecting flange 5 of the pipe body 3 is provided with an internal thread 4. And a reinforcing rib 8 is fixedly connected between the shell 1 and the pipe body 3. The outer wall of the turntable 705 is machined with wear.
The rotating turntable 705 drives the rotating shaft 704 to rotate, so that the rotating sleeve 703 is driven to rotate, so as to drive the connecting block 602 to synchronously rotate, so that the threaded rod 601 is driven by the connecting block 602 to rotate, when the threaded rod 601 rotates, the two stop blocks 604 are synchronously close to the interlayer 2 or far away from the interlayer 2 under the action of threads, and then the purpose of stopping is realized, because the liquid flowing direction in the pipe body 3 is unidirectional, after long-term use, only the sealing surface on one side can be damaged by large erosion, the sealing surface on the other side can still realize sealing operation, and the service life of the whole mechanism is prolonged.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a stop valve that sealed face anti-erosion, its characterized in that: the anti-theft door comprises a shell (1), wherein an interlayer (2) is arranged in the shell (1), the outer side wall of the interlayer (2) and the inner wall of the shell (1) are integrally formed, and an opening and closing mechanism (6) is arranged in the middle of the inner part of the shell (1);
the opening and closing mechanism (6) comprises a threaded rod (601), a connecting block (602), a sliding rod (603), a stop block (604) and a sealing ring (605);
the outer side of threaded rod (601) evenly is provided with a plurality of slide bars (603), threaded rod (601) and two dog (604) threaded connection, two dog (604) are about interlayer (2) longitudinal symmetry, two dog (604) all cup joint with a plurality of slide bars (603) slip, the top of threaded rod (601) is provided with connecting block (602), connecting block (602) and the top looks rigid coupling of threaded rod (601), dog (604) are close to interlayer (2) one side and are provided with sealing washer (605), sealing washer (605) cup joint with dog (604) mutually.
2. A stop valve having a seal surface protected against erosion according to claim 1, wherein: the left and right sides of shell (1) all is provided with body (3), body (3) and shell (1) integrated into one piece, shell (1) one side is kept away from in body (3) is provided with flange (5), flange (5) and body (3) integrated into one piece.
3. A stop valve having a seal surface protected against erosion according to claim 1, wherein: the top end of the shell (1) is provided with a control mechanism (7);
the control mechanism (7) comprises an end cover (701), a bearing (702), a rotating sleeve (703), a rotating shaft (704) and a rotating disc (705);
the end cover (701) is fixedly connected with the shell (1) through a bolt, the end cover (701) is movably connected with a threaded rod (601) through a bearing (702), the top end is provided with a rotating sleeve (703) above the end cover (701), the rotating sleeve (703) is sleeved with a connecting block (602), the rotating sleeve (703) is fixedly connected with the connecting block (602) through a bolt, a rotating shaft (704) is arranged above the rotating sleeve (703), the bottom end of the rotating shaft (704) and the upper surface of the rotating sleeve (703) are integrally formed, the top end of the rotating shaft (704) is provided with a rotating disc (705), and the rotating disc (705) is fixedly connected with the rotating shaft (704).
4. A stop valve having a seal surface protected against erosion according to claim 2, wherein: an internal thread (4) is formed in the inner wall of one side of the connecting flange (5) of the pipe body (3).
5. A stop valve having a seal surface protected against erosion according to claim 1, wherein: and reinforcing ribs (8) are fixedly connected between the shell (1) and the pipe body (3).
6. A stop valve having a seal surface protected against erosion according to claim 3, wherein: the outer wall of the rotary disc (705) is processed with grinding grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120393966.1U CN214305311U (en) | 2021-02-23 | 2021-02-23 | Stop valve with erosion-proof sealing surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120393966.1U CN214305311U (en) | 2021-02-23 | 2021-02-23 | Stop valve with erosion-proof sealing surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214305311U true CN214305311U (en) | 2021-09-28 |
Family
ID=77834641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120393966.1U Expired - Fee Related CN214305311U (en) | 2021-02-23 | 2021-02-23 | Stop valve with erosion-proof sealing surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214305311U (en) |
-
2021
- 2021-02-23 CN CN202120393966.1U patent/CN214305311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |