CN219755484U - Plug valve with good sealing performance - Google Patents
Plug valve with good sealing performance Download PDFInfo
- Publication number
- CN219755484U CN219755484U CN202321381155.5U CN202321381155U CN219755484U CN 219755484 U CN219755484 U CN 219755484U CN 202321381155 U CN202321381155 U CN 202321381155U CN 219755484 U CN219755484 U CN 219755484U
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- fixedly connected
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- valve
- sealing performance
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 244000309464 bull Species 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model provides a plug valve with good sealing performance, which comprises a valve body, wherein a valve core is arranged in the valve body, the top of the valve core is fixedly connected with a clamping box, the top of the valve body is fixedly connected with a first flange plate, a second flange plate is arranged above the first flange plate, a rotating rod is arranged in the second flange plate, the bottom end of the rotating rod is fixedly connected with a clamping block, four side walls of the clamping block are respectively provided with a storage groove, and the inner wall of the storage groove is fixedly connected with a reset spring.
Description
Technical Field
The utility model mainly relates to the technical field of plug valves, in particular to a plug valve with good sealing performance.
Background
The plug valve is a valve which is a closing member or a plunger-shaped rotary valve and is opened or closed by rotating 90 degrees to enable a passage opening on the valve plug to be communicated with or separated from a passage opening on a valve body, and the shape of a valve plug of the plug valve can be cylindrical or conical. In a cylindrical valve plug, the passageway is generally rectangular; whereas in a conical valve plug the channel is trapezoidal.
Through searching, for example, the utility model patent with the publication number of CN217633962U discloses a plug valve convenient to open and close, through the arrangement of an auxiliary assembly, a first sealing disc, a second sealing disc and a third sealing disc of the auxiliary assembly wrap a valve core exposed outside a valve body and a handle frame of a handle assembly, so that the contact between the valve core and the handle frame and the external environment is reduced, the corrosion rate of the valve core or the handle frame is reduced, the service life of the plug valve is prolonged on one hand, and the smooth operation of the handle assembly is ensured on the other hand.
In the above-mentioned patent technical scheme, can wrap up case and handle subassembly through setting up auxiliary assembly, extension plug valve's life, but, in actual application's in-process, because plug valve operational environment's particularity to be in high pressure environment of high pressure for a long time under, the plug valve case can cause wearing and tearing in lasting the use, and the case in the above-mentioned patent technical scheme is inconvenient to demolish and change, and this just leads to very easily after the plug valve uses for a long time, causes the valve leakproofness inadequately, thereby produces the phenomenon of medium leakage or overflow. Therefore, we provide a plug valve with good sealing performance to solve the defects in the scheme.
Disclosure of Invention
The utility model mainly provides a plug valve with good sealing performance, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a plug valve that sealing performance is good, includes the valve body, the inside case that is equipped with of valve body, the through-hole has been seted up on the case, case top fixedly connected with joint box, the joint groove has been seted up at joint box top, the joint mouth with joint groove intercommunication has all been seted up to four lateral walls of joint box, the first ring flange of valve body top fixedly connected with, first ring flange top is equipped with the second ring flange, the inside bull stick that is equipped with of second ring flange, bull stick top fixedly connected with connecting piece, the inside fixedly connected with hand driving lever of connecting piece, bull stick bottom fixedly connected with joint board, the storage groove has all been seted up to four lateral walls of joint board, storage groove inner wall fixedly connected with reset spring, reset spring one end fixedly connected with joint piece.
Further, the rotating rod is rotationally connected with the second flange plate, and a sealing gasket is arranged at the joint of the outer side of the rotating rod and the second flange plate.
Further, the size and the position of the clamping plate correspond to those of the clamping groove, the clamping plate is clamped with a clamping interface arranged on the clamping box through a clamping block, and a damper is arranged in the reset spring.
Further, the second flange plate is fixedly connected with the first flange plate through a locking bolt, and a waterproof sealing ring is arranged at the contact position between the bottom of the second flange plate and the top of the first flange plate.
Furthermore, communicating pipes are fixedly connected to two sides of the valve body, and through holes are formed in the communicating pipes.
Further, the size and the position of the through hole correspond to those of the through hole formed in the valve core.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the first flange plate, the second flange plate, the clamping box, the clamping blocks, the reset spring and the clamping blocks are matched for use, the first flange plate and the second flange plate are fixed through the locking bolts, the effect of sealing and protecting the valve core can be achieved, the valve core is prevented from being influenced by external environment to reduce the service life, the valve core can wear out after being used for a long time in the valve body, the situation of insufficient tightness is caused, at the moment, the second flange plate is removed, the valve core can be taken out from the valve body together under the action of the clamping plates and the clamping blocks, the clamping blocks and the clamping blocks can be removed by simultaneously pressing the four clamping blocks to shrink towards the inside of the containing groove, the valve core with serious wear can be detached, the operation is repeated reversely, the new valve core is installed back into the valve body for continuous working, the sealing performance of the valve is ensured, and the phenomenon of leakage or overflow is prevented.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a first flange structure according to the present utility model;
FIG. 3 is a schematic diagram of the overall structure of the valve core of the present utility model;
FIG. 4 is a schematic view of the overall structure of a second flange plate according to the present utility model;
FIG. 5 is a schematic view of a hand lever structure of the present utility model;
fig. 6 is an enlarged view at a in fig. 5.
In the figure: 1. a valve body; 101. a communicating pipe; 102. a through hole; 103. a first flange; 104. a waterproof sealing ring; 2. a valve core; 201. a through hole; 202. a clamping box; 203. a clamping groove; 204. a card interface; 3. a second flange; 301. a locking bolt; 302. a rotating rod; 303. a connecting piece; 304. a hand lever; 305. a clamping plate; 306. a storage groove; 307. a return spring; 308. and a clamping block.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
Referring to fig. 1-6, a plug valve with good sealing performance includes a valve body 1, a valve core 2 is disposed inside the valve body 1, a through hole 201 is formed in the valve core 2, a clamping box 202 is fixedly connected to the top of the valve core 2, a clamping groove 203 is formed in the top of the clamping box 202, clamping ports 204 communicated with the clamping groove 203 are formed in four side walls of the clamping box 202, a first flange 103 is fixedly connected to the top of the valve body 1, a second flange 3 is disposed above the first flange 103, a rotating rod 302 is disposed inside the second flange 3, a connecting piece 303 is fixedly connected to the top of the rotating rod 302, a hand lever 304 is fixedly connected to the inner portion of the connecting piece 303, a clamping plate 305 is fixedly connected to the bottom end of the rotating rod 302, a storage groove 306 is formed in each of the four side walls of the clamping plate 305, a reset spring 307 is fixedly connected to the inner wall of the storage groove 306, and one end of the reset spring 307 is fixedly connected to a clamping block 308.
The rotating rod 302 is rotationally connected with the second flange plate 3, and a sealing gasket is arranged at the joint of the outer side of the rotating rod 302 and the second flange plate 3, and the rotating rod 302 is rotationally connected with the second flange plate 3, so that an operator can drive the valve core 2 to rotate when pulling the hand pulling rod 304.
The size and position of the clamping plate 305 correspond to those of the clamping groove 203, the clamping plate 305 is clamped with the clamping interface 204 formed on the clamping box 202 through the clamping block 308, a damper is arranged in the reset spring 307, the valve core 2 is worn out after being used for a long time in the valve body 1, and the situation of insufficient tightness is caused, at this time, the second flange plate 3 is removed, the valve core 2 can be communicated with the valve body 1 under the action of the clamping plate 305 and the clamping block 308, the clamping plate 305 and the clamping box 202 can be removed by simultaneously pressing the four clamping blocks 308 to shrink inwards of the accommodating groove 306, the valve core 2 with serious wear can be removed, then the clamping box 202 at the top of the new valve core 2 is applied with the clamping plate 305, after being pressed with force, the clamping block 308 is clamped with the clamping interface 204 under the action of the reset spring 307, the valve body 1 can be reinstalled, the sealing performance of the valve can be continued, and the phenomenon of leakage or overflow can be prevented.
Wherein, through locking bolt 301 fixed connection between second ring flange 3 and the first ring flange 103, and second ring flange 3 bottom and first ring flange 103 top contact position are equipped with waterproof sealing circle 104, through fixing first ring flange 103 and second ring flange 3 through locking bolt 301, can play the effect of carrying out sealed protection to case 2, prevent case 2 to receive external environment influence reduction life.
Wherein, communicating pipes 101 are fixedly connected to two sides of the valve body 1, through holes 102 are formed in the communicating pipes 101, the size and position of the through holes 102 correspond to those of through holes 201 formed in the valve core 2, the valve body 1 is connected with an external pipeline through the communicating pipes 101 arranged on two sides, and the position of the through holes 201 formed in the valve core 2 is controlled by pulling a manual shifting rod 304 to control the opening and closing state of the valve body.
The specific operation mode of the utility model is as follows:
firstly, the valve body 1 is connected with an external pipeline through the communicating pipes 101 arranged on two sides, the opening and closing states of the valve body are controlled by poking the position of the through holes 201 formed in the valve core 2 through poking the poking rod 304, the first flange plate 103 and the second flange plate 3 are fixed through the locking bolt 301, the effect of sealing and protecting the valve core 2 can be achieved, the valve core 2 is prevented from being influenced by the external environment and reducing the service life, the valve core 2 can be worn out after being used for a long time in the valve body 1, the situation of insufficient tightness is caused, at the moment, the second flange plate 3 is removed, the valve core 2 can be taken out from the valve body 1 together under the action of the clamping plate 305 and the clamping block 308, the clamping plate 305 can be released from the clamping box 202 by simultaneously pressing the four clamping blocks 308 to shrink inwards in the accommodating groove 306, the valve core 2 with serious wear is detached, then the clamping box 202 at the top of the new valve core 2 is applied with the clamping plate 305, after pressing, the clamping block 308 is clamped with the clamping interface 204 under the action of the reset spring 307, the internal leakage of the valve body can be prevented, and the internal leakage of the valve body can be prevented from continuously occurring.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.
Claims (6)
1. The utility model provides a plug valve that sealing performance is good, includes valve body (1), its characterized in that: valve body (1) inside is equipped with case (2), through-hole (201) have been seted up on case (2), case (2) top fixedly connected with joint box (202), joint groove (203) have been seted up at joint box (202) top, joint mouth (204) with joint groove (203) intercommunication have all been seted up to four lateral walls of joint box (202), first ring flange (103) of valve body (1) top fixedly connected with, first ring flange (103) top is equipped with second ring flange (3), second ring flange (3) inside is equipped with bull stick (302), bull stick (302) top fixedly connected with connecting piece (303), connecting piece (303) inside fixedly connected with hand driving lever (304), bull stick (302) bottom fixedly connected with joint plate (305), accomodate groove (306) all have been seted up to four lateral walls of joint plate (305), accomodate groove (306) inner wall fixedly connected with reset spring (307), reset spring (307) one end fixedly connected with joint piece (308).
2. The plug valve with good sealing performance according to claim 1, wherein: the rotating rod (302) is rotationally connected with the second flange plate (3), and a sealing gasket is arranged at the joint of the outer side of the rotating rod (302) and the second flange plate (3).
3. The plug valve with good sealing performance according to claim 1, wherein: the size and the position of the clamping plate (305) correspond to those of the clamping groove (203), the clamping plate (305) is clamped with a clamping interface (204) formed in the clamping box (202) through a clamping block (308), and a damper is arranged in the reset spring (307).
4. The plug valve with good sealing performance according to claim 1, wherein: the second flange plate (3) is fixedly connected with the first flange plate (103) through a locking bolt (301), and a waterproof sealing ring (104) is arranged at the contact position between the bottom of the second flange plate (3) and the top of the first flange plate (103).
5. The plug valve with good sealing performance according to claim 1, wherein: communicating pipes (101) are fixedly connected to two sides of the valve body (1), and through holes (102) are formed in the communicating pipes (101).
6. The plug valve with good sealing performance according to claim 5, wherein: the size and the position of the through hole (102) correspond to those of the through hole (201) formed in the valve core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321381155.5U CN219755484U (en) | 2023-06-01 | 2023-06-01 | Plug valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321381155.5U CN219755484U (en) | 2023-06-01 | 2023-06-01 | Plug valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219755484U true CN219755484U (en) | 2023-09-26 |
Family
ID=88089195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321381155.5U Active CN219755484U (en) | 2023-06-01 | 2023-06-01 | Plug valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219755484U (en) |
-
2023
- 2023-06-01 CN CN202321381155.5U patent/CN219755484U/en active Active
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