CN218063578U - Sealing element structure for nuclear power station - Google Patents
Sealing element structure for nuclear power station Download PDFInfo
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- CN218063578U CN218063578U CN202222356380.5U CN202222356380U CN218063578U CN 218063578 U CN218063578 U CN 218063578U CN 202222356380 U CN202222356380 U CN 202222356380U CN 218063578 U CN218063578 U CN 218063578U
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- nuclear power
- rubber wall
- fixing base
- groove
- sealing
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Abstract
The utility model belongs to the technical field of nuclear power valve seal, especially, be a sealing member structure for nuclear power station, including the fixing base, the medial surface fixedly connected with of fixing base is used for the outer sealed rubber wall of gas storage, the inboard fixedly connected with of outer sealed rubber wall is used for the sealed inner sealed rubber wall, set up a plurality of blow vent that is used for admitting air on the inner sealed rubber wall, one side of fixing base articulates there is the mount pad that is used for the installation, the top of fixing base is seted up and is used for to the inflation groove of aerifing in the outer sealed rubber wall, and the inside of inflation groove is inserted and is equipped with the sealing plug that is used for sealing, one side of sealing plug has the counter weight ball through the haulage rope traction; can will reveal when nuclear power valve takes place to reveal gas and outside air block, utilize the gas of revealing simultaneously, the laminating between reinforcing seal assembly and the nuclear power valve to can block up the region of revealing, and then strengthen whole leakproofness to the nuclear power valve.
Description
Technical Field
The utility model belongs to the technical field of nuclear power valve seal, concretely relates to sealing member structure for nuclear power station.
Background
The nuclear power valve is a valve used in a nuclear island N1, a conventional island CI and a power station auxiliary facility BOP system in a nuclear power station, and has high requirements on the tightness of the valve, in the daily work of the nuclear power station, some gases containing radioactive substances need to be discharged after the circulating filtration is lower than the limit, and in the process of circulating filtration of the waste gas of the nuclear power station, the waste gas needs to be conveyed in the filtration process through a gas pipeline, and the gas pipeline in the nuclear power station adjusts the conveying state of the whole pipeline through the nuclear power valve.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sealing member structure for nuclear power station has and to reveal gas and outside air and block when nuclear power valve takes place to reveal, utilizes the gas of revealing simultaneously, strengthens the laminating between seal assembly and the nuclear power valve to can carry out the shutoff to the region of revealing, and then strengthen whole characteristics to the leakproofness of nuclear power valve.
The utility model provides a following technical scheme: the utility model provides a sealing member structure for nuclear power station, includes the fixing base, the medial surface fixedly connected with of fixing base is used for the external seal rubber wall of gas storage, the inboard fixedly connected with of external seal rubber wall is used for the sealed internal seal rubber wall, set up the blow vent that a plurality of is used for admitting air on the internal seal rubber wall, one side of fixing base articulates there is the mount pad that is used for the installation, the top of fixing base seted up be used for to aerify in the external seal rubber wall aerifys the groove, just the inside in aerifing the groove is inserted and is equipped with and is used for carrying out sealed sealing plug, one side of sealing plug is pull through the haulage rope and is had the counter weight ball.
Wherein, the inside of fixing base has seted up the groove of stepping down, just the counter weight ball is located the inside in groove of stepping down.
The connecting rods which are symmetrically arranged and play a connecting role are hinged between the connecting rods, the limiting balls are used for limiting the traction rope, and the top end of the traction rope penetrates through the top of the limiting balls and the outer wall of the sealing plug.
The inner part of the inflation groove is fixedly connected with a rubber pad which plays a role in sealing, an inflation hole is arranged in the outer sealing rubber wall, and the inflation hole is communicated with the inflation groove.
The inner side of the hinged position of the fixed seat and the mounting seat is provided with a soft connection wall which is used for protecting the outer sealing rubber wall.
The utility model has the advantages that: at the fixing base, mount pad and interior sealing rubber wall, under mutually supporting of outer sealing rubber wall, can appear revealing in the nuclear power valve, will reveal in gaseous crowded to outer sealing rubber wall, avoid gaseous direct revealing in the outside air, get into revealing in the outer sealing rubber wall gaseous whole content that can increase outer sealing rubber wall gas simultaneously, make outer sealing rubber wall further expand, simultaneously under the limiting displacement of the outside casing that fixing base and mount pad are constituteed, can make outer sealing rubber wall when inside gaseous increase, laminating between reinforcing and the nuclear power valve, thereby can carry out the shutoff to the region of revealing, and then strengthen whole leakproofness to the nuclear power valve.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of the top view of the present invention;
FIG. 2 is an enlarged view of the detail A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the present invention when not installed;
FIG. 4 is an enlarged view of a detail B of FIG. 4 according to the present invention;
fig. 5 is a schematic front view of the middle and outer sealing rubber walls of the present invention.
In the figure: 1. a fixed seat; 11. a mounting seat; 12. a yielding groove; 13. a flexible connecting wall; 14. an inflation groove; 141. a rubber pad; 2. an inner sealing rubber wall; 21. a vent; 3. the outer sealing rubber wall; 31. a sealing plug; 4. a counterweight ball; 41. a hauling rope; 411. a limiting ball; 412. a connecting rod.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a sealing member structure for nuclear power station, which comprises a fixed base 1, the medial surface fixedly connected with of fixing base 1 is used for the external seal rubber wall 3 of gas storage, the inboard fixedly connected with of external seal rubber wall 3 is used for sealed internal seal rubber wall 2, set up a plurality of blow vent 21 that is used for admitting air on the internal seal rubber wall 2, one side of fixing base 1 articulates there is the mount pad 11 that is used for the installation, be used for the aerifing inflation groove 14 in the external seal rubber wall 3 offered at the top of fixing base 1, and the inside of inflation groove 14 is inserted and is equipped with and is used for carrying out sealed sealing plug 31, one side of sealing plug 31 is pull through haulage rope 41 and is had counter weight ball 4.
In this embodiment: the fixing base 1 and the mounting base 11 form an outer shell of the whole sealing element structure, and can provide limit for the outer sealing rubber wall 3 during expansion and deformation during internal inflation, so as to prevent the outer sealing rubber wall 3 from breaking due to wireless expansion during inflation, and can protect the inner outer sealing rubber wall 3, the outer sealing rubber wall 3 and the inner sealing rubber wall 2 form a sealing assembly for sealing a nuclear power valve, wherein the inner sealing rubber wall 2 is a sealing area for contacting with a valve joint in the whole sealing assembly, the outer sealing rubber wall 3 is a wrapping protection area of the whole sealing element, and the outer edge of the sealing element formed by the outer sealing rubber wall 3 and the inner sealing rubber wall 2 is the inner side of the edge of the outer sealing rubber wall 3, the whole inner sealing rubber wall 2 is in a state of being wrapped by the outer sealing rubber wall 3, the outer sealing position of the vent 21 on the inner sealing rubber wall 2 corresponds to the outer sealing position of the nuclear power valve joint, in use, when leakage occurs, the leakage gas enters the mounting base 21 and further increases the leakage of the gas in the outer sealing rubber wall 3, so as to further increase the leakage of the sealing gas in the mounting groove, and increase the leakage of the sealing rubber wall 3, and the sealing rubber wall 3, thereby, and further increase the leakage of the sealing gas leakage of the whole sealing assembly, the sealing plug 31 is used for plugging the air inflation groove 14, and the weight increasing of the lower end part of the sealing plug 31 can be realized by the counterweight ball 4 through the traction rope 41, so that the stability of the sealing plug 31 in the air inflation groove 14 is improved.
A abdicating groove 12 is formed in the fixed seat 1, the counterweight ball 4 is positioned in the abdicating groove 12, symmetrically arranged connecting rods 412 with a connecting effect are fixedly connected in the abdicating groove 12, a limiting ball 411 for limiting the traction rope 41 is hinged between the two connecting rods 412, and the top end of the traction rope 41 passes through the top of the limiting ball 411 and is fixedly connected with the outer wall of the sealing plug 31; wherein the groove of stepping down 12 is used for providing the space of stepping down of removal for counter weight ball 4 when sealing plug 31 is installed, and connecting rod 412 and spacing ball 411 constitute degree counter weight ball 4 in the groove of stepping down 12 through between the installation of haulage rope 41 installation, carry on spacingly to the displacement of counter weight ball 4 simultaneously.
A rubber pad 141 for sealing is fixedly connected inside the inflation groove 14, an inflation hole is arranged inside the outer sealing rubber wall 3, and the inflation hole is communicated with the inflation groove 14; wherein the rubber pad 141 is used to increase the sealing performance of the sealing plug 31 inside the air-filled tank 14.
A soft connecting wall 13 for protecting the external sealing rubber wall 3 is arranged on the inner side of the hinged part of the fixed seat 1 and the mounting seat 11; when the fixing base 1 and the mounting base 11 are fixed by bolts, the soft connection wall 13 can protect the outer sealing rubber wall 3, and the influence of the clamping breakage of the joint of the mounting base 11 and the fixing base 1 on the outer wall of the outer sealing rubber wall 3 when the mounting base 11 rotates is avoided.
The utility model discloses a theory of operation and use flow: when the whole sealing structure is installed, firstly, the fixing seat 1 and the mounting seat 11 are opened, then, a sealing assembly composed of the inner sealing rubber wall 2 and the outer sealing rubber wall 3 is sleeved at a sealing position, then, the fixing seat 1 and the mounting seat 11 are fixed through bolts, after the fixing seat 1 and the mounting seat 11 are fixed, the inner part of the outer sealing rubber wall 3 is inflated through the inflation groove 14, so that the inner sealing rubber wall 2 is attached and sealed with the sealing connection position, and the sealing plug 31 is plugged in the inflation groove 14.
Claims (5)
1. A sealing member structure for a nuclear power station is characterized in that: the fixing base, the medial surface fixedly connected with of fixing base is used for the external seal rubber wall of gas storage, the inboard fixedly connected with of external seal rubber wall is used for the sealed internal seal rubber wall, set up the blow vent that a plurality of is used for admitting air on the internal seal rubber wall, one side of fixing base articulates there is the mount pad that is used for the installation, the top of fixing base seted up be used for to aerify in the external seal rubber wall aerify the groove, just the inside of aerifing the groove is inserted and is equipped with and is used for carrying out the sealing plug that seals, one side of sealing plug is pull through the haulage rope has the counter weight ball.
2. The seal structure for a nuclear power plant according to claim 1, characterized in that: the inside of fixing base has seted up the groove of stepping down, just the counter weight ball is located the inside in groove of stepping down.
3. The seal structure for a nuclear power plant according to claim 2, characterized in that: the connecting rods which are symmetrically arranged and play a connecting role are fixedly connected inside the abdicating groove, two connecting rods are hinged to each other and used for limiting the traction rope, and the top end of the traction rope penetrates through the top of each limiting ball and the outer wall of each sealing plug.
4. The seal structure for a nuclear power plant according to claim 1, characterized in that: the inside fixedly connected with of aerifing the groove has the rubber pad of sealed effect, the internally mounted of external seal rubber wall is aerifyd the hole, and aerify the hole and be linked together with aerify the groove.
5. The seal structure for a nuclear power plant according to claim 1, characterized in that: the inner side of the hinged position of the fixed seat and the mounting seat is provided with a soft connecting wall which is used for protecting the outer sealing rubber wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356380.5U CN218063578U (en) | 2022-09-06 | 2022-09-06 | Sealing element structure for nuclear power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222356380.5U CN218063578U (en) | 2022-09-06 | 2022-09-06 | Sealing element structure for nuclear power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063578U true CN218063578U (en) | 2022-12-16 |
Family
ID=84409147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222356380.5U Active CN218063578U (en) | 2022-09-06 | 2022-09-06 | Sealing element structure for nuclear power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063578U (en) |
-
2022
- 2022-09-06 CN CN202222356380.5U patent/CN218063578U/en active Active
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