CN212616446U - Containment isolation valve sealing structure - Google Patents
Containment isolation valve sealing structure Download PDFInfo
- Publication number
- CN212616446U CN212616446U CN202020857144.XU CN202020857144U CN212616446U CN 212616446 U CN212616446 U CN 212616446U CN 202020857144 U CN202020857144 U CN 202020857144U CN 212616446 U CN212616446 U CN 212616446U
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- CN
- China
- Prior art keywords
- liquid storage
- storage ring
- ring
- stock solution
- connecting rod
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- Expired - Fee Related
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 title claims description 43
- 239000007788 liquid Substances 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000011550 stock solution Substances 0.000 abstract description 25
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a containment isolation valve seal structure includes the valve body, open at the valve body top has the installing port, and the welding has the seal box on the installing port, open at the seal box top has the opening, and has welded the connecting pipe in the opening, the cross-under has the connecting rod in the connecting pipe, and the cover has the annular seal mechanism of establishing in the seal box on the connecting rod, annular seal mechanism includes first stock solution ring, second stock solution ring, third stock solution ring, fourth stock solution ring and fifth stock solution ring, and first stock solution ring, third stock solution ring and fifth stock solution ring specification are the same, second stock solution ring and fourth stock solution ring specification are the same. The utility model discloses when the isolating valve rotated and got up to open or close, can drive the annular seal mechanism on the connecting rod and rotate and pass through the interact between fixture block and the dog again, accomplish the transfer of annular seal mechanism internal seal liquid, can both play a sealed effect when the isolating valve is opened or is closed.
Description
Technical Field
The utility model relates to a seal structure technical field especially relates to a containment isolating valve seal structure.
Background
The isolation valve belongs to a switch type valve, namely, the isolation valve is only in an open state or a closed state, and the isolation valve is different from a switch valve in that the isolation valve basically has a requirement on leakage grade. The safety requirement is relatively higher than that of a switch valve, and some parts have higher requirements on opening and closing speed. It should be said that a valve emphasizes two-side fluid separation and has higher safety, so it is urgently needed to develop a novel containment isolation valve sealing structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a containment isolation valve sealing structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a containment isolation valve sealing structure comprises a valve body, wherein the top of the valve body is provided with a mounting opening, a sealing box is welded on the mounting opening, the top of the sealing box is provided with an opening, and a connecting pipe is welded in the opening, a connecting rod is inserted in the connecting pipe, and an annular sealing mechanism arranged in the sealing box is sleeved on the connecting rod, the annular sealing mechanism comprises a first liquid storage ring, a second liquid storage ring, a third liquid storage ring, a fourth liquid storage ring and a fifth liquid storage ring, the first liquid storage ring, the third liquid storage ring and the fifth liquid storage ring have the same specification, the second liquid storage ring and the fourth liquid storage ring have the same specification, hemispheroid stop blocks which are distributed at equal intervals are bonded on the outer walls of the second liquid storage ring and the fourth liquid storage ring, the inner walls of the two sides of the seal box are welded with a first clamping block and a second clamping block, and the vertical heights of the first clamping block and the second clamping block are respectively the same as those of the second liquid storage ring and the fourth liquid storage ring.
Preferably, first stock solution ring, third stock solution ring and fifth stock solution ring both ends are protruding annular structure, and second stock solution ring and fourth stock solution ring both ends are sunken annular structure, communicate in proper order between first stock solution ring, second stock solution ring, third stock solution ring, fourth stock solution ring and the fifth stock solution ring, and first stock solution ring, second stock solution ring, third stock solution ring, fourth stock solution ring and fifth stock solution ring inside all is provided with sealing liquid.
Preferably, one end of each of the first clamping block and the second clamping block, which is far away from the inner wall of the seal box, is of a hemispherical structure, and the spherical radius of the hemispherical structure is matched with the circular radius of the concave annular structure.
Preferably, a handle is welded at the top of the connecting rod.
Preferably, the bottom of the connecting rod is placed in the valve body, a ball body is welded at the bottom of the connecting rod, and a liquid flowing hole is formed in the center of the ball body.
Preferably, the inner walls of the two ends of the valve body are respectively connected with a water inlet pipe and a water outlet pipe.
The utility model has the advantages that:
1. when the isolating valve is rotated to be opened or closed, the annular sealing mechanism on the connecting rod is driven to rotate, then the transfer of sealing liquid in the annular sealing mechanism is completed through the interaction between the clamping block and the stop block, and a sealing effect can be realized when the isolating valve is opened or closed;
2. through the ingenious sealed design in the device, the isolating valve can automatically complete the sealing operation when being opened and closed, and the leakage can be prevented more safely when the isolating valve is used.
Drawings
Fig. 1 is a schematic structural diagram of a containment isolation valve sealing structure provided by the present invention;
fig. 2 is a schematic view of a containment isolation valve sealing structure according to the present invention.
In the figure: 1 valve body, 2 inlet tubes, 3 outlet pipes, 4 spheroids, 5 first fixture blocks, 6 second fixture blocks, 7 seal boxes, 8 hemispheroid dog, 9 handles, 10 connecting rods, 11 connecting pipes, 12 first liquid storage rings, 13 second liquid storage rings, 14 third liquid storage rings, 15 fourth liquid storage rings and 16 fifth liquid storage rings.
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.
Referring to fig. 1-2, a containment isolation valve sealing structure comprises a valve body 1, wherein a mounting opening is formed in the top of the valve body 1, a water inlet pipe 2 and a water outlet pipe 3 are respectively connected to the inner walls of two ends of the valve body 1, a sealing box 7 is welded to the mounting opening, an opening is formed in the top of the sealing box 7, a connecting pipe 11 is welded in the opening, a connecting rod 10 is inserted in the connecting pipe 11 in a penetrating manner, a handle 9 is welded to the top of the connecting rod 10, the bottom of the connecting rod 10 is placed in the valve body 1, a sphere 4 is welded to the bottom of the connecting rod 10, a liquid flow hole is formed in the center of the sphere 4, an annular sealing mechanism arranged in the sealing box 7 is sleeved on the connecting rod 10 and comprises a first liquid storage ring 12, a second liquid storage ring 13, a third liquid storage ring 14, a fourth liquid storage ring 15 and a fifth liquid storage ring 16, the first liquid storage ring 12, the third liquid storage ring 14 and the fifth liquid storage ring 16, the specifications of the second liquid storage ring 13 and the fourth liquid storage ring 15 are the same, hemispheroid stop blocks 8 which are distributed equidistantly are bonded on the outer walls of the second liquid storage ring 13 and the fourth liquid storage ring 15, the two ends of the first liquid storage ring 12, the two ends of the third liquid storage ring 14 and the two ends of the fifth liquid storage ring 16 are both convex annular structures, the two ends of the second liquid storage ring 13 and the two ends of the fourth liquid storage ring 15 are both concave annular structures, sealing liquid is arranged inside the first liquid storage ring 12, the second liquid storage ring 13, the third liquid storage ring 14, the fourth liquid storage ring 15 and the fifth liquid storage ring 16, a first clamping block 5 and a second clamping block 6 are welded on the inner walls of the two sides of the sealing box 7, one ends of the first clamping block 5 and the second clamping block 6, which are far away from the inner wall of the sealing box 7, are both hemispherical structures, the spherical radius of the hemispherical structure is matched with the circular ring radius of the concave annular structure, and the vertical heights of the first fixture block 5 and the second fixture block 6 are respectively the same as those of the second liquid storage ring 13 and the fourth liquid storage ring 15.
The working principle is as follows: the automatic opening and closing of the isolating valve are driven by rotating the handle (9), meanwhile, the annular sealing mechanism sleeved on the connecting rod 10 can be driven, the hemispheroid stop blocks 8 which are bonded on the outer walls of the second liquid storage ring 13 and the fourth liquid storage ring 15 and distributed at equal intervals can be extruded with the first fixture block 5 and the second fixture block 6 when the annular sealing mechanism rotates, so that sealing liquid in the annular sealing mechanism is transferred upwards or downwards, and the transferred position is automatically expanded to complete sealing.
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 (6)
1. A containment isolation valve sealing structure comprises a valve body (1) and is characterized in that a mounting opening is formed in the top of the valve body (1), a sealing box (7) is welded on the mounting opening, an opening is formed in the top of the sealing box (7), a connecting pipe (11) is welded in the opening, a connecting rod (10) is inserted in the connecting pipe (11) in a penetrating manner, an annular sealing mechanism arranged in the sealing box (7) is sleeved on the connecting rod (10), the annular sealing mechanism comprises a first liquid storage ring (12), a second liquid storage ring (13), a third liquid storage ring (14), a fourth liquid storage ring (15) and a fifth liquid storage ring (16), the specifications of the first liquid storage ring (12), the third liquid storage ring (14) and the fifth liquid storage ring (16) are the same, the specifications of the second liquid storage ring (13) and the fourth liquid storage ring (15) are the same, and hemispheres (8) which are distributed at equal intervals are bonded on the outer walls of the second liquid storage ring (13) and the fourth liquid storage ring (15), the inner walls of two sides of the sealing box (7) are welded with a first clamping block (5) and a second clamping block (6), and the vertical heights of the first clamping block (5) and the second clamping block (6) are respectively the same as those of the second liquid storage ring (13) and the fourth liquid storage ring (15).
2. The containment isolation valve sealing structure according to claim 1, wherein two ends of the first liquid storage ring (12), the third liquid storage ring (14) and the fifth liquid storage ring (16) are both convex annular structures, two ends of the second liquid storage ring (13) and the fourth liquid storage ring (15) are both concave annular structures, the first liquid storage ring (12), the second liquid storage ring (13), the third liquid storage ring (14), the fourth liquid storage ring (15) and the fifth liquid storage ring (16) are sequentially communicated, and sealing liquid is arranged inside the first liquid storage ring (12), the second liquid storage ring (13), the third liquid storage ring (14), the fourth liquid storage ring (15) and the fifth liquid storage ring (16).
3. The containment isolation valve sealing structure according to claim 1, wherein the ends of the first fixture block (5) and the second fixture block (6) far away from the inner wall of the seal box (7) are both hemispherical structures, and the spherical radius of the hemispherical structures is matched with the circular radius of the recessed annular structure.
4. The containment isolation valve seal structure of claim 1, wherein a handle (9) is welded to the top of the connecting rod (10).
5. The containment isolation valve sealing structure according to claim 1, wherein the bottom of the connecting rod (10) is placed in the valve body (1), the sphere (4) is welded at the bottom of the connecting rod (10), and a liquid flowing hole is formed in the center of the sphere (4).
6. The containment isolation valve sealing structure according to claim 1, wherein the inner walls of the two ends of the valve body (1) are respectively connected with a water inlet pipe (2) and a water outlet pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857144.XU CN212616446U (en) | 2020-05-21 | 2020-05-21 | Containment isolation valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020857144.XU CN212616446U (en) | 2020-05-21 | 2020-05-21 | Containment isolation valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212616446U true CN212616446U (en) | 2021-02-26 |
Family
ID=74724259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020857144.XU Expired - Fee Related CN212616446U (en) | 2020-05-21 | 2020-05-21 | Containment isolation valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212616446U (en) |
-
2020
- 2020-05-21 CN CN202020857144.XU patent/CN212616446U/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: 20210226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |