CN217422207U - Fluid cut-off valve - Google Patents
Fluid cut-off valve Download PDFInfo
- Publication number
- CN217422207U CN217422207U CN202221306200.6U CN202221306200U CN217422207U CN 217422207 U CN217422207 U CN 217422207U CN 202221306200 U CN202221306200 U CN 202221306200U CN 217422207 U CN217422207 U CN 217422207U
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- valve
- valve body
- fluid
- sealing
- flange gland
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Abstract
The utility model relates to the field of fluid machinery, concretely relates to fluid trip valve, including valve body and drive arrangement, the valve body both ends are provided with inlet tube and drive end respectively, the valve body lateral wall is equipped with the outlet pipe, the outlet pipe is connected with flange gland one side, flange gland opposite side and hydro-cylinder support fixed connection, the hydro-cylinder support is kept away from valve body one side installation and is equipped with drive arrangement, drive arrangement telescopic link tip is connected with the valve plate that sets up in the valve body inside, the valve plate outer peripheral face is connected along axis direction sliding connection with the valve body inner wall, be equipped with the packing between telescopic link outer peripheral face and the flange gland centre bore inner wall, the packing passes through the clamp plate and fixes.
Description
Technical Field
The utility model relates to the field of fluid machinery, concretely relates to fluid trip valve.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, can be widely applied to conveying devices for compressible media or incompressible media, and the sealing performance of the conventional valve is mainly realized by a filler arranged between a valve cover bracket and a valve rod.
At present, with the environmental protection concept widely regarded by people, people pay more and more attention to the packing leakage condition of the valve, the unseen packing leakage phenomenon of the valve in the past influences the normal use of the valve, and also causes the leakage of media in the valve body, the leakage of the media can cause various pollutions or harm to the human body, meanwhile, the leakage condition of the packing directly reflects whether the sealing performance of the valve meets the requirements, namely the sealing performance of the valve is higher and higher by people, the higher the sealing performance of the valve is, the higher the grade of the corresponding valve is, the existing valve is in the through-flow process, the valve core is easily washed by fluid to cause uneven surface, and the leakage flow is easy to occur in the closed state.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a fluid trip valve.
For solving above-mentioned technical problem, the utility model provides a technical scheme is a fluid stop valve, including valve body and drive arrangement, the valve body both ends are provided with inlet tube and drive end respectively, the valve body lateral wall is equipped with the outlet pipe, the outlet pipe is connected with flange gland one side, flange gland opposite side and hydro-cylinder support fixed connection, the hydro-cylinder support is kept away from valve body side-mounting and is equipped with drive arrangement, drive arrangement telescopic link tip with set up in the inside valve plate of valve body and be connected, the valve plate outer peripheral face is along axis direction sliding connection with the valve body inner wall, be equipped with the gland packing between telescopic link outer peripheral face and the flange gland centre bore inner wall, the gland packing is fixed through the plate packing.
As an improvement, one side of the valve plate, which is close to the driving device, is provided with a sealing ring, and one side of the flange gland, which is close to the valve plate, is provided with a second sealing ring which is used for being connected with the sealing ring in a matching way.
As the improvement, the valve body inlet tube is connected with sealed nipple, sealed nipple is close to valve body one side mouth of pipe department and is equipped with first sealing washer, and during fluid trip valve closed condition, first sealing washer closely laminates with the valve plate outward flange.
As an improvement, the end part of the telescopic rod is fixedly connected with the valve plate through a locking nut.
As a refinement, the drive device is provided as a hydraulic cylinder device.
Compared with the prior art, the utility model the advantage lie in:
the valve core sealing structure has the advantages of simple structure, high switch response speed, low possibility of fluid erosion abrasion on the valve core sealing surface in the long-time use process, and small workload of later maintenance.
Drawings
FIG. 1 is a schematic view of a shut off valve opening;
fig. 2 is a schematic view of a shut off valve.
Fig. 1-2 show: 1. the sealing device comprises a valve body, 101, an inlet pipe, 102, a driving end, 103, an outlet pipe, 2, a sealing short connecting pipe, 3, an oil cylinder support, 4, a driving device, 5, a valve plate, 501, a sealing ring, 6, a telescopic rod, 7, a first sealing ring, 8, sealing filler, 9, a filler gland, 10, a locking nut, 11, a second sealing ring, 12 and a flange gland.
Detailed Description
The fluid cut-off valve of the present invention will be described in further detail with reference to the accompanying drawings.
Combine 1-2 fluid trip valve of attached figure, including valve body 1 and drive arrangement 4, 1 both ends of valve body are provided with inlet tube 101 and drive end 102 respectively, 1 lateral wall of valve body is equipped with outlet pipe 103, outlet pipe 103 is connected with flange gland 12 one side, 12 opposite sides of flange gland and hydro-cylinder support 3 fixed connection, 1 side-mounting of valve body is equipped with drive arrangement 4 far away from to hydro-cylinder support 3, 6 tip of drive arrangement 4 telescopic link are connected with the valve plate 5 that sets up in 1 inside of valve body, 5 outer peripheral faces of valve plate and 1 inner wall of valve body are along axis direction sliding connection, be equipped with sealing filler 8 between 6 outer peripheral faces of telescopic link and the 12 center hole inner walls of flange gland, sealing filler 8 is fixed through pressure packing board 9.
As a preferred embodiment of the present embodiment, a sealing ring 501 is disposed on a side of the valve plate 5 close to the driving device 4, and a second sealing ring 11 for cooperating with the sealing ring 501 is disposed on a side of the flange cover 12 close to the valve plate 5.
As a preferred embodiment of this embodiment, the inlet pipe 101 of the valve body 1 is connected to the sealing nipple 2, the first sealing ring 7 is disposed at the pipe orifice of the sealing nipple 2 near one side of the valve body 1, and when the fluid shutoff valve is in a closed state, the first sealing ring 7 is tightly attached to the outer edge of the valve plate 5.
As the preferred embodiment of the embodiment, the end of the telescopic rod 6 is fixedly connected with the valve plate 5 through a locking nut 10.
As a preferred embodiment of the present embodiment, the driving device 4 is configured as a hydraulic cylinder device.
When the utility model is implemented specifically, when the fluid needs to be cut off, the telescopic rod 6 of the driving device 4 extends out and pushes the valve plate 5 to one side of the sealing nipple 2, the valve plate 5 is tightly attached to the first sealing ring 7, and the fluid is cut off; when fluid is required to flow through the valve, the telescopic rod 6 of the driving device 4 is retracted, and the valve plate 5 moves to the side of the flange gland 12, so that the sealing ring 501 of the valve plate 5 is closely attached to the second sealing ring 11.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. A fluid shut-off valve characterized by: comprises a valve body (1) and a driving device (4), wherein an inlet pipe (101) and a driving end (102) are respectively arranged at two ends of the valve body (1), an outlet pipe (103) is arranged on the side wall of the valve body (1), the outlet pipe (103) is connected with one side of the flange gland (12), the other side of the flange gland (12) is fixedly connected with the oil cylinder bracket (3), a driving device (4) is arranged on one side of the oil cylinder bracket (3) far away from the valve body (1), the end part of a telescopic rod (6) of the driving device (4) is connected with a valve plate (5) arranged in the valve body (1), the peripheral surface of the valve plate (5) is connected with the inner wall of the valve body (1) in a sliding way along the axis direction, and a sealing filler (8) is arranged between the outer peripheral surface of the telescopic rod (6) and the inner wall of the central hole of the flange gland (12), and the sealing filler (8) is fixed through a filler pressing plate (9).
2. A fluid shut off valve as claimed in claim 1 wherein: valve plate (5) are close to drive arrangement (4) one side and are equipped with sealing ring (501), flange gland (12) are close to valve plate (5) one side and set up second sealing washer (11) that are used for being connected with sealing ring (501) cooperation.
3. A fluid shut off valve as claimed in claim 1 wherein: valve body (1) inlet tube (101) are connected with sealed nipple (2), sealed nipple (2) are close to valve body (1) one side mouth of pipe department and are equipped with first sealing washer (7), and during fluid shutoff valve closed condition, first sealing washer (7) are closely laminated with valve plate (5) outward flange.
4. A fluid shut off valve as claimed in claim 1 wherein: the end part of the telescopic rod (6) is fixedly connected with the valve plate (5) through a locking nut (10).
5. A fluid shut off valve as claimed in claim 1 wherein: the driving device (4) is set as a hydraulic cylinder device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306200.6U CN217422207U (en) | 2022-05-28 | 2022-05-28 | Fluid cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221306200.6U CN217422207U (en) | 2022-05-28 | 2022-05-28 | Fluid cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217422207U true CN217422207U (en) | 2022-09-13 |
Family
ID=83190340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221306200.6U Active CN217422207U (en) | 2022-05-28 | 2022-05-28 | Fluid cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422207U (en) |
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2022
- 2022-05-28 CN CN202221306200.6U patent/CN217422207U/en active Active
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