CN220102392U - Buried valve - Google Patents
Buried valve Download PDFInfo
- Publication number
- CN220102392U CN220102392U CN202320403808.9U CN202320403808U CN220102392U CN 220102392 U CN220102392 U CN 220102392U CN 202320403808 U CN202320403808 U CN 202320403808U CN 220102392 U CN220102392 U CN 220102392U
- Authority
- CN
- China
- Prior art keywords
- flange connection
- circular
- disc
- sealing gasket
- flange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000001125 extrusion Methods 0.000 claims abstract description 19
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Joints With Pressure Members (AREA)
Abstract
The utility model discloses a buried valve, which belongs to the technical field of valves and comprises a valve body and connecting pipelines arranged on two sides of the valve body, wherein a flange connection disc is arranged on the connecting pipe, an opposite joint is arranged on the flange connection disc, a sealing component is arranged in the opposite joint, the sealing component comprises a rotating disc and a threaded screw rod arranged at the bottom of the rotating disc, the threaded screw rod penetrates through the flange connection disc and the opposite joint, opposite threads are arranged on the threaded screw rod, threaded sleeves matched with the threaded sleeves are sleeved on the opposite threads, the outer sides of the threaded sleeves are connected with connecting rods, one ends of the connecting rods, which are far away from the threaded sleeves, are connected with semicircular extrusion blocks, the two semicircular extrusion blocks are connected to form a circle, mounting grooves are formed in the two semicircular extrusion blocks, and circular sealing gaskets are arranged in the mounting grooves. The device can seal at the gap of connecting outside pipeline, improves the leakproofness.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a buried valve.
Background
The valve is a control component in the fluid conveying system and has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, diverting or overflow pressure relief and the like.
The existing buried valve generally comprises a valve body and connecting pipelines arranged on two sides of the valve body, and then the valve body is connected with an external pipeline through a flange connecting disc on the connecting pipeline, so that the valve body can be normally used.
The existing buried valve is connected with an external pipeline through a flange connection disc on a connecting pipeline, but a gap is formed between the external pipeline and a butt joint of the flange, so that leakage risks can occur after a long time.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide a buried valve so as to solve the problems in the prior art.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a buried valve, is in including valve body and setting connecting tube of valve body both sides, be provided with the flange connection pad on the connecting tube, set up on the flange connection pad to the interface, be provided with seal assembly in the interface, seal assembly includes the rotary disk and sets up the screw thread lead screw of rotary disk bottom, screw thread lead screw runs through out the flange connection pad with the interface, just set up opposite screw thread on the screw thread lead screw, opposite all overlap on the screw thread and be equipped with the thread bush that matches with it, thread bush one side is connected with the connecting rod, the connecting rod is kept away from the one end of thread bush is connected with semi-circular extrusion piece, semi-circular extrusion piece has two, two semi-circular extrusion piece connection forms a circular, and two all set up the mounting groove on the semi-circular extrusion piece, be provided with circular sealing pad in the mounting groove.
Through the scheme, the following technical effects can be achieved: when the sealing device is used, the joint is connected with an external pipeline through the joint on the flange connecting disc, meanwhile, the circular sealing gasket can stay at a gap between the joint and the external pipeline, then the rotating disc drives the threaded screw rod to rotate through the rotating disc, then the two threaded sleeves do opposite motions, meanwhile, the threaded sleeves drive the connecting rod to enable the two semicircular extrusion blocks to extrude the circular sealing gasket, the circular sealing gasket is noted to have elastic and deformation performance, and accordingly the circular sealing gasket tightly abuts against the connecting gap, and sealing performance of the sealing gasket is improved.
As a preferable embodiment of the present utility model, the cross-sectional area of the circular gasket is smaller than the cross-sectional area of the butt joint.
Through the scheme, the following technical effects can be achieved: the circular sealing gasket can stay at the gap where the butt joint is connected with the external pipeline.
As a preferable technical scheme of the utility model, the circular sealing gasket is a rubber elastic sealing gasket.
Through the scheme, the following technical effects can be achieved: the circular gasket is provided with elastic and deforming capabilities.
As a preferable technical scheme of the utility model, one half of the circular sealing gasket is arranged inside the flange connection disc, and the other half of the circular sealing gasket is arranged outside the flange connection disc.
Through the scheme, the following technical effects can be achieved: the circular sealing gasket can seal the joint gap.
As a preferable technical scheme of the utility model, the flange connection disc is provided with a flange connection hole.
Through the scheme, the following technical effects can be achieved: and the pipeline is connected with an external pipeline through a flange connecting hole on the flange connecting disc.
As a preferable technical scheme of the utility model, a rotating seal sleeve is arranged at the position of the threaded screw rod penetrating through the flange connection disc.
Through the scheme, the following technical effects can be achieved: the threaded screw rod can rotate, and leakage can be prevented.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device can seal at the gap of connecting outside pipeline, improves the leakproofness.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the seal assembly of the present utility model;
FIG. 3 is a schematic view of a semi-circular extrusion block according to the present utility model;
fig. 4 is a schematic structural view of the threaded screw of the present utility model.
Wherein: 1. a valve body; 2. a connecting pipe; 3. a flange connection disc; 4. a threaded screw rod; 5. a thread sleeve; 6. a connecting rod; 7. a semicircular extrusion block; 8. a mounting groove; 9. a circular gasket; 10. and rotating the sealing sleeve.
Detailed Description
In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.
Example 1
Referring to fig. 1-4, the utility model provides a buried valve, which comprises a valve body 1 and connecting pipes 2 arranged at two sides of the valve body 1, wherein a flange connection disc 3 is arranged on the connecting pipes 2, an opposite joint is arranged on the flange connection disc 3, a sealing component is arranged in the opposite joint, the sealing component comprises a rotating disc and a threaded screw rod 4 arranged at the bottom of the rotating disc, the threaded screw rod 4 penetrates through the flange connection disc 3 and the opposite joint, opposite threads are arranged on the threaded screw rod 4, thread sleeves 5 matched with the threads are sleeved on the opposite threads, one side of each thread sleeve 5 is connected with a connecting rod 6, one end of each connecting rod 6 far away from the thread sleeve 5 is connected with a semicircular extrusion block 7, two semicircular extrusion blocks 7 are connected to form a circle, mounting grooves 8 are formed in the two semicircular extrusion blocks 7, and circular sealing gaskets 9 are arranged in the mounting grooves 8.
The connection device is characterized in that the connection device is particularly and thoroughly used, when the connection device is used, a joint is connected with an external pipeline through the flange connection disc 3, meanwhile, the circular sealing gasket 9 stays at a gap between the joint and the external pipeline, then the rotating disc drives the threaded screw rod 4 to rotate through the rotating disc, then the two threaded sleeves 5 do opposite movements, meanwhile, the threaded sleeves 5 drive the connecting rod 6 to enable the two semicircular extrusion blocks 7 to extrude the circular sealing gasket 9, (the circular sealing gasket 9 has elastic and deformation performance), so that the circular sealing gasket 9 tightly abuts against the connecting gap, and the tightness of the connection device is improved.
In this embodiment, the cross-sectional area of the circular gasket 9 is smaller than the cross-sectional area of the interface with.
In particular, the circular gasket 9 is allowed to rest in the gap where the counter-connection is connected to the external pipe.
In this embodiment, the circular gasket 9 is a rubber elastic gasket.
In particular, the circular gasket 9 is made to have elastic and deformable capabilities.
In this embodiment, half of the circular gasket 9 is provided inside the flange land 3, and the other half of the circular gasket 9 is provided outside the flange land 3.
In particular, the circular gasket 9 is made to seal the joint gap.
In this embodiment, as shown in fig. 1, a flange connection hole is formed in the flange connection disc 3.
Specifically, the flange connection hole on the flange connection disc 3 is connected with an external pipeline.
In this embodiment, as shown in fig. 4, a rotary seal sleeve 10 is provided at a portion of the threaded screw 4 penetrating the flange connection disc 3.
Specifically, the screw rod 4 is allowed to rotate while leakage can be prevented.
Working principle: when the sealing device is used, the joint is connected with an external pipeline through the flange connection disc 3, meanwhile, the circular sealing gasket 9 stays at a gap between the joint and the external pipeline, then the rotating disc drives the threaded screw rod 4 to rotate through the rotating disc, then the two threaded sleeves 5 do opposite motions, meanwhile, the threaded sleeves 5 drive the connecting rod 6 to enable the two semicircular extrusion blocks 7 to extrude the circular sealing gasket 9, and the circular sealing gasket 9 has elasticity and deformation, so that the circular sealing gasket 9 tightly abuts against the connecting gap, and the sealing performance of the sealing device is improved.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a buried valve, includes valve body (1) and sets up connecting tube (2) of valve body (1) both sides, its characterized in that: be provided with flange connection pad (3) on connecting tube (2), set up on flange connection pad (3) to the interface, be provided with seal assembly in to the interface, seal assembly includes the rotary disk and sets up screw thread lead screw (4) of rotary disk bottom, screw thread lead screw (4) run through flange connection pad (3) with the interface, just set up opposite screw thread on screw thread lead screw (4), on the opposite all the cover be equipped with thread bush (5) that match with it on the screw thread, thread bush (5) one side is connected with connecting rod (6), connecting rod (6) are kept away from one end and semicircular extrusion piece (7) of thread bush (5) are connected, semicircular extrusion piece (7) have two, two semicircular extrusion piece (7) are connected and are formed a circular, and two semicircular extrusion piece (7) are last all to have seted up mounting groove (8), be provided with circular sealing pad (9) in mounting groove (8).
2. A buried valve according to claim 1, characterized in that: the cross-sectional area of the circular sealing gasket (9) is smaller than the cross-sectional area of the butt joint.
3. A buried valve according to claim 1, characterized in that: the circular sealing gasket (9) is a rubber elastic sealing gasket.
4. A buried valve according to claim 1, characterized in that: half of the circular sealing gasket (9) is arranged inside the flange connection disc (3), and the other half of the circular sealing gasket (9) is arranged outside the flange connection disc (3).
5. A buried valve according to claim 1, characterized in that: and the flange connecting disc (3) is provided with a flange connecting hole.
6. A buried valve according to claim 1, characterized in that: the part of the threaded screw rod (4) penetrating through the flange connecting disc (3) is provided with a rotary sealing sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320403808.9U CN220102392U (en) | 2023-03-07 | 2023-03-07 | Buried valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320403808.9U CN220102392U (en) | 2023-03-07 | 2023-03-07 | Buried valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220102392U true CN220102392U (en) | 2023-11-28 |
Family
ID=88843317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320403808.9U Active CN220102392U (en) | 2023-03-07 | 2023-03-07 | Buried valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220102392U (en) |
-
2023
- 2023-03-07 CN CN202320403808.9U patent/CN220102392U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |