CN221097682U - Pressure relief valve for transformer - Google Patents
Pressure relief valve for transformer Download PDFInfo
- Publication number
- CN221097682U CN221097682U CN202322710023.9U CN202322710023U CN221097682U CN 221097682 U CN221097682 U CN 221097682U CN 202322710023 U CN202322710023 U CN 202322710023U CN 221097682 U CN221097682 U CN 221097682U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure release
- base
- wall
- pressure
- Prior art date
- 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 32
- 239000012528 membrane Substances 0.000 claims description 22
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a pressure release valve for a transformer, which comprises a valve cover, wherein the bottom of the valve cover is provided with a base matched with the valve cover, the top of the base is provided with a sealing ring for sealing, the top end of the sealing ring is provided with a pressure release component for pressure release, the bottom of the valve cover is provided with a quick-release component for connecting with the base, the quick-release component comprises a fixing rod, and the fixing rod is arranged at the bottom of the valve cover; according to the utility model, when the sealing ring is required to be replaced, the fixing rod is pulled to move in the direction away from the base, so that the fixing rod is separated from the through slot, the locking between the valve cover and the base can be released, the fixing rod can be exposed by pulling the valve cover to move in the direction away from the base, the fixing rod is replaced, and the fixing rod is replaced after the valve cover is not required to be disassembled, so that the step of replacing the fixing rod is greatly saved.
Description
Technical Field
The utility model relates to the field of pressure relief valves, in particular to a pressure relief valve for a transformer.
Background
The pressure relief valve is a pressure protection device of the transformer, when the inside of the transformer breaks down, oil is decomposed to generate a large amount of gas, the pressure relief valve is opened in time, part of transformer oil is removed, the pressure in the oil tank is reduced, and after the pressure in the oil tank is reduced, the pressure relief valve is automatically closed, and the sealing of the oil tank is maintained.
The utility model discloses a novel pressure release valve for a transformer, which comprises a pressure release valve body, a fixed plate, an L-shaped sealing rubber ring, rivets, an oil limiting plate, a rotating shaft, a sealing rubber pad and a sealing nut, wherein the rotating shaft is movably arranged in an inner cavity of the pressure release valve body, and the surface of the rotating shaft is fixedly connected with the oil limiting plate.
When the rubber ring is replaced in the mode, the top cover of the valve cover is required to be detached firstly, then the spring pressing plate is detached, and finally the membrane disc is detached, so that the rubber ring fixing bolt can be detached, the required detachment steps are more, and the replacement is not convenient enough.
Disclosure of utility model
The present utility model is directed to a pressure relief valve for a transformer, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressure relief valve for transformer, includes the valve bonnet, the bottom of valve bonnet is provided with the base that matches with the valve bonnet, the top of base is provided with the sealing washer that is used for sealedly, the top of sealing washer is provided with the pressure release subassembly that is used for the pressure release, the bottom of valve bonnet is provided with the quick detach subassembly that is used for being connected with the base, the quick detach subassembly includes the dead lever, the dead lever sets up the bottom at the valve bonnet.
Preferably, a first cavity for installing the pressure relief assembly is formed in the valve cover, a round hole is formed in the bottom end of the inner wall of the first cavity, and the base is connected with the round hole in a penetrating mode.
Preferably, the pressure release assembly comprises a membrane disc, wherein a pressure release spring is fixedly connected to the top end of the membrane disc and used for pushing the membrane disc.
Preferably, the top fixedly connected with connecting rod of membrane dish, the top fixedly connected with of connecting rod and first cavity inner wall, the outer wall fixedly connected with of connecting rod is used for restricting the clamp plate of pressure release spring displacement.
Preferably, a first fixing bolt for connecting the pressing plate and the valve cover is arranged on the side of the pressing plate.
Preferably, the sealing ring is sleeved on the outer wall of the top of the base, and a second fixing bolt for fixing the sealing ring is arranged on one side of the sealing ring.
Preferably, a second cavity for installing the quick-release assembly is formed in the bottom of the valve cover, penetrating holes for penetrating the fixing rods are formed in two sides of the inner wall of the second cavity respectively, the fixing rods are connected with penetrating Kong Chuancha, and penetrating slots for penetrating the fixing rods are formed in the top of the base.
Preferably, the outer wall cover of dead lever one end is equipped with the baffle that is used for restricting the dead lever and removes, one side fixedly connected with of baffle is used for promoting the extrusion spring that the baffle removed.
The utility model has the technical effects and advantages that:
According to the utility model, when the sealing ring is required to be replaced, the fixing rod is pulled to move in the direction away from the base, so that the fixing rod is separated from the through slot, the locking between the valve cover and the base can be released, the fixing rod can be exposed by pulling the valve cover to move in the direction away from the base, the fixing rod is replaced, and the fixing rod is replaced after the valve cover is not required to be disassembled, so that the step of replacing the fixing rod is greatly saved.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is an enlarged schematic view of the structure a in fig. 1 according to the present utility model.
Fig. 3 is an enlarged view of the structure B of fig. 2 according to the present utility model.
In the figure: 1. a valve housing; 2. a base; 3. a membrane disc; 4. a pressure relief spring; 5. a pressing plate; 6. a first fixing bolt; 7. a fixed rod; 8. a baffle; 9. pushing and extruding a spring; 10. a seal ring; 11. a second fixing bolt; 12. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a pressure release valve for a transformer, which is shown in figures 1-3, and comprises a valve cover 1, wherein the bottom of the valve cover 1 is provided with a base 2 matched with the valve cover 1, the top of the base 2 is provided with a sealing ring 10 for sealing, the top end of the sealing ring 10 is provided with a pressure release component for releasing pressure, the bottom of the valve cover 1 is provided with a quick-release component for connecting with the base 2, the quick-release component comprises a fixing rod 7, and the fixing rod 7 is arranged at the bottom of the valve cover 1.
Specifically, the inside of valve bonnet 1 has been seted up and has been used for installing the first cavity of pressure release subassembly, the round hole has been seted up to the bottom of first cavity inner wall, base 2 and round hole interlude are connected, pressure release subassembly includes membrane dish 3, the top fixedly connected with pressure release spring 4 of membrane dish 3, pressure release spring 4 is used for pushing membrane dish 3, the top fixedly connected with connecting rod 12 of membrane dish 3, connecting rod 12 and the top fixedly connected with of first cavity inner wall, the outer wall fixedly connected with of connecting rod 12 is used for restricting the clamp plate 5 of pressure release spring 4 displacement, the avris of clamp plate 5 is provided with the first fixing bolt 6 that is used for clamp plate 5 and valve bonnet 1 to be connected, the outer wall at the base 2 top is established to the cover of sealing washer 10, one side of sealing washer 10 is provided with the second fixing bolt 11 that is used for sealing washer 10 to fix.
Further, the valve housing 1, the base 2, the pressing plate 5, the membrane disc 3, the pressure relief spring 4, the connecting rod 12 and the sealing ring 10 form the prior transformer pressure relief valve, the top of the connecting rod 12 is fixedly connected with the top end of the valve housing 1 through the installation connecting bolt, a plurality of first fixing bolts 6 are arranged at equal intervals around the pressing plate 5, connecting grooves corresponding to the first fixing bolts 6 in number are arranged around the bottom of the inner wall of the first cavity, threads meshed with the threads of the outer wall of the first fixing bolts 6 are arranged on the inner wall of the connecting grooves, the pressing plate 5 is connected with the valve housing 1 through threaded insertion of the first fixing bolts 6 and the connecting grooves, the distance between the pressing plate 5 and the membrane disc 3 can be controlled through the depth of the first fixing bolts 6 in the connecting grooves, so that different compression amounts are generated on the pressure relief spring 4, and different elastic forces of the pressure relief spring 4 are adjusted, the connecting rod 12 is a damping rod, the top end of the base 2 is provided with a through groove for releasing pressure, the size of the membrane disc 3 corresponds to the outer diameter of the base 2, when the pressure is overlarge, the pressure can impact the membrane disc 3, so that the membrane disc 3 generates thrust to the pressure release spring 4 and the connecting rod 12, gaps are generated between the membrane disc 3 and the base 2, the pressure in the transformer is released, when the pressure is reduced, the membrane disc 3 can be pushed to cover the through groove of the base 2 again under the action of the pressure release spring 4, the transformer is sealed, the outer wall of the top of the base 2 is provided with an annular seal ring 10 which is an annular rubber seal ring and sleeved on the top of the base 2, a plurality of second fixing bolts 11 are arranged at equal intervals and are respectively arranged on one side of the seal ring 10 away from the base 2, the seal ring 10 is fixedly connected with the base 2 through the second fixing bolts 11, the sealing ring 10 is under the cover of the membrane disc 3.
Specifically, the bottom of valve bonnet 1 is provided with the second cavity that is used for installing quick detach subassembly, and the interlude hole that is used for interlude dead lever 7 is offered respectively to the both sides of second cavity inner wall, and dead lever 7 is connected with interlude Kong Chuancha, and the interlude groove that is used for interlude dead lever 7 is offered at the top of base 2, and the outer wall cover of dead lever 7 one end is equipped with the baffle 8 that is used for restricting the dead lever 7 and removes, and one side fixedly connected with of baffle 8 is used for pushing the extrusion spring 9 that baffle 8 removed.
Further, quick detach subassembly is provided with the multiunit, equidistant setting is in the bottom of valve bonnet 1, the size of interlude hole is 1.02 times of dead lever 7 size, wear the size of slot and be 1.02 times of dead lever 7 size, baffle 8 and push spring 9 all set up in the second cavity, push spring 9 is in compression state all the time in the second cavity, baffle 8 and push spring 9's size is 1.1 times of interlude hole size, baffle 8 fixed cover is established at the outer wall that dead lever 7 is close to base 2 one end, when needs carry out sealing washer 10 change, move in the direction of keeping away from base 2 through pulling dead lever 7, dead lever 7 drives baffle 8, produce the compression to push spring 9, move valve bonnet 1 in the direction of keeping away from base 2 again, can expose sealing washer 10, change of sealing washer 10, can take shelter from the thing to the logical groove of base 2 in the time of changing, install valve bonnet 1 before again, it need alternates pulling dead lever 7 to set cover 1 cover at the outer wall of base 2, when the effect of 7 is close to base 2 is moved to the effect of sealing washer 7, can's effect change the effect of moving to the dead lever 7, can's 1 is more can not be moved to the side of the fixed position of sealing washer 2, thereby, can't take out the mode, the valve bonnet 1 is moved in the direction of moving to the direction of moving 1, and can's more than can't be moved to the base 2, and can't be moved to the effect the position is moved, and the valve bonnet is moved, and the function is moved, and is required to be moved, and is moved.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (8)
1. The utility model provides a pressure relief valve for transformer, includes valve bonnet (1), the bottom of valve bonnet (1) is provided with base (2) supporting with valve bonnet (1), a serial communication port, the top of base (2) is provided with sealing washer (10) that are used for sealedly, the top of sealing washer (10) is provided with the pressure release subassembly that is used for the pressure release, the bottom of valve bonnet (1) is provided with the quick detach subassembly that is used for being connected with base (2), the quick detach subassembly includes dead lever (7), dead lever (7) set up the bottom at valve bonnet (1).
2. The pressure release valve for the transformer according to claim 1, wherein a first cavity for installing a pressure release assembly is formed in the valve cover (1), a round hole is formed in the bottom end of the inner wall of the first cavity, and the base (2) is connected with the round hole in a penetrating mode.
3. The pressure release valve for the transformer according to claim 2, wherein the pressure release assembly comprises a membrane disc (3), a pressure release spring (4) is fixedly connected to the top end of the membrane disc (3), and the pressure release spring (4) is used for pushing the membrane disc (3).
4. A pressure release valve for a transformer according to claim 3, characterized in that the top end of the membrane disc (3) is fixedly connected with a connecting rod (12), the connecting rod (12) is fixedly connected with the top end of the inner wall of the first cavity, and the outer wall of the connecting rod (12) is fixedly connected with a pressing plate (5) for limiting the displacement of the pressure release spring (4).
5. Pressure relief valve for a transformer according to claim 4, characterized in that the side of the pressure plate (5) is provided with a first fixing bolt (6) for connecting the pressure plate (5) with the valve housing (1).
6. The pressure release valve for the transformer according to claim 1, wherein the sealing ring (10) is sleeved on the outer wall of the top of the base (2), and a second fixing bolt (11) for fixing the sealing ring (10) is arranged on one side of the sealing ring (10).
7. The pressure release valve for the transformer according to claim 1, wherein a second cavity for installing the quick-release assembly is formed in the bottom of the valve housing (1), penetrating holes for penetrating the fixing rods (7) are formed in two sides of the inner wall of the second cavity respectively, the fixing rods (7) are connected with penetrating Kong Chuancha, and penetrating grooves for penetrating the fixing rods (7) are formed in the top of the base (2).
8. The pressure release valve for the transformer according to claim 7, wherein a baffle plate (8) for limiting the movement of the fixed rod (7) is sleeved on the outer wall of one end of the fixed rod (7), and a pushing spring (9) for pushing the baffle plate (8) to move is fixedly connected to one side of the baffle plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710023.9U CN221097682U (en) | 2023-10-10 | 2023-10-10 | Pressure relief valve for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322710023.9U CN221097682U (en) | 2023-10-10 | 2023-10-10 | Pressure relief valve for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221097682U true CN221097682U (en) | 2024-06-07 |
Family
ID=91313769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322710023.9U Active CN221097682U (en) | 2023-10-10 | 2023-10-10 | Pressure relief valve for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221097682U (en) |
-
2023
- 2023-10-10 CN CN202322710023.9U patent/CN221097682U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |