CN201021726Y - Pressure release valve with waterproof structure - Google Patents
Pressure release valve with waterproof structure Download PDFInfo
- Publication number
- CN201021726Y CN201021726Y CNU2007200674461U CN200720067446U CN201021726Y CN 201021726 Y CN201021726 Y CN 201021726Y CN U2007200674461 U CNU2007200674461 U CN U2007200674461U CN 200720067446 U CN200720067446 U CN 200720067446U CN 201021726 Y CN201021726 Y CN 201021726Y
- Authority
- CN
- China
- Prior art keywords
- cover
- relief valve
- pressure relief
- wall
- deck
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a pressure releasing valve with water-proof structure, and includes a connecting screw thread at the underside of the peripheral wall, a hexagonal nut at the middle part of the peripheral wall and the circumferential wall neighbored with the hexagonal nut, on the upside of the circumferential wall of the pressure releasing valve, an axially protruded spacing ring is arranged; and also including a water-proof cover which covers the upside of the hexagonal nut of the pressure releasing valve, the water-proof cover includes an arc and vaulted cover that a part of the wall surface is cut off along the axial direction, and the circumferential surface of the cover is matched with the peripheral wall of the spacing ring, a top cover arranged on the upper end of the cover and a ring type clamp bracket, the ring type clamp bracket is arranged immovably on the inner wall at the underside of the cover, and when the water-proof cover is arranged on the pressure releasing valve, the clamp bracket is snapped on the circumferential wall between the hexagonal nut of the pressure releasing valve and the spacing ring. The utility model adopts water-proof cover to ensure that the pressure releasing valve exposed on the outer wall of the transformer oil tank is shielded by water-proof cover, so as to eliminate the problem that water is accumulated inside the cavity of the pressure releasing valve, and then the insulation accidents can be stopped.
Description
Technical field
The utility model relates to the protective gear on a kind of transformer, is specifically related to a kind of pressure relief valve with waterproof construction that is installed on transformer case lid or the tank wall.
Technical background
At present; on hermetic distribution transformer; set up a protective gear mostly; that is exactly the plain edition pressure relief valve that can open automatically or close, and this plain edition pressure relief valve is when tank internal pressure reaches certain numerical value; can open the pressure that discharges fuel tank internal automatically; after being reduced to certain numerical value when tank internal pressure, can also close automatically, guarantee that transformer is in whole sealing status.But after this plain edition pressure relief valve is installed on the transformer, in transportation process or when being stored in outdoor location, run into rainy weather, in the cavity of this plain edition pressure relief valve, have ponding, if the ponding when transformer puts into operation in its cavity is not dried, when the personnel of putting into operation spur the draw ring release tank internal pressure of pressure relief valve (operation that must finish before putting into operation), ponding can enter along the inwall of this cavity in the oil tank of transformer, can reduce the insulating property of transformer oil like this, also can cause the generation of accident when serious.
Summary of the invention
So the utility model purpose is overcoming the deficiencies in the prior art, provide a kind of pressure relief valve that can eliminate pressure relief valve cavity inner product water problems with waterproof construction.
The technological scheme that realizes above-mentioned purpose is: a kind of pressure relief valve with waterproof construction, comprise the connecting thread of periphery wall bottom, the hexagon nut at middle part and the peripheral wall adjacent with hexagon nut, described pressure relief valve is provided with a radially outstanding limited ring on the top of peripheral wall; Comprise that also one covers the water proof cover of the hexagon nut of pressure relief valve with the upper part, this water proof cover comprises that top cover and that an axial cut-away divides the suitable arch formula cover, of wall and inner circumferential surface and limited ring outer circumferential face to be arranged on this cover upper end has the ring type deck of opening, described deck is fixedly mounted on the inwall of cover bottom, and when water proof cover was installed on the pressure relief valve, described deck was fastened on the hexagon nut and the peripheral wall between the limited ring of pressure relief valve.
Above-mentioned pressure relief valve with waterproof construction, wherein, the cover of described water proof cover is made tangent line by a half-round with from the two ends of half-round the straight wall portion that extends to form constitutes; Described deck is made by pipe, its internal diameter equals the outer warp at pressure relief valve peripheral wall position, after in being installed to cover, the half-round internal surface of deck outer surface and cover is tangent, and two free ends of the straight wall portion of cover and deck opening are at a distance of certain span.
Above-mentioned pressure relief valve with waterproof construction, wherein, described top cover be shaped as an oval that matches with the shape of cross section of cover and the whole upper-end surface that covers cover.
The above-mentioned pressure relief valve with waterproof construction, wherein, described water proof cover adopts engineering plastics to make.
After having adopted the technical solution of the pressure relief valve with waterproof construction of the present utility model, the pressure relief valve that is exposed on the transformer oil box outer wall is covered by water proof cover, eliminated pressure relief valve cavity inner product water problems, and then the generation of having stopped insulation fault.The water proof cover that the utility model adopts is simple in structure, easy to use, the reliability height.
Description of drawings
Fig. 1 is the structural representation with pressure relief valve of waterproof construction of the present utility model;
Fig. 2 is the structural representation of the pressure relief valve in the pressure relief valve with waterproof construction of the present utility model;
Fig. 3 is the structural representation of the water proof cover in the pressure relief valve with waterproof construction of the present utility model.
Embodiment
See also Fig. 1 to Fig. 3, a kind of pressure relief valve with waterproof construction of the present utility model comprises a pressure relief valve 1 and a water proof cover 2.
The periphery wall bottom of pressure relief valve 1 has connecting thread 10, and the middle part has hexagon nut 11, with hexagon nut 11 adjacent be peripheral wall 12, the top of peripheral wall 12 is provided with a radially outstanding limited ring 13,
In one embodiment, water proof cover 2 adopts transparent engineering plastics to make.The cover 20 of water proof cover 2 is made tangent line by a half-round 201 with from the two ends of half-round the straight wall portion 202 that extends to form constitutes.Top cover 21 be shaped as an oval that matches with the shape of cross section of cover 20 and the whole upper-end surface that covers cover 20.Deck 22 is made by pipe, the external diameter of peripheral wall 12 through being slightly less than pressure relief valve 1 in it, highly also be slightly less than hexagon nut 11 to the distance between the limited ring 13, after in being installed to cover 20, deck 22 is tangent with half-round 201 inwalls of cover 20, and two free ends 220 of the straight wall portion 202 of cover 20 and deck 22 openings are at a distance of certain span, so that deck 22 has certain force of strain on the peripheral wall 12 that is engaged to pressure relief valve 1 time, can kayser after engaging in the peripheral wall 12 of pressure relief valve 1.
Owing to adopted at the easy ponding position of original pressure relief valve water proof cover be installed, the draw ring that the structure of this water proof cover does not promptly hinder the personnel of putting into operation to spur pressure relief valve discharges the act of operation of tank internal pressure, has solved the problem of ponding in the pressure relief valve cavity again
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technological schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (4)
1. the pressure relief valve with waterproof construction comprises the connecting thread of periphery wall bottom, the hexagon nut at middle part and the peripheral wall adjacent with hexagon nut, it is characterized in that,
Described pressure relief valve is provided with a radially outstanding limited ring on the top of peripheral wall;
Comprise that also one covers the water proof cover of the hexagon nut of pressure relief valve with the upper part, this water proof cover comprises that top cover and that an axial cut-away divides the suitable arch formula cover, of wall and inner circumferential surface and limited ring outer circumferential face to be arranged on this cover upper end has the ring type deck of opening, described deck is fixedly mounted on the inwall of cover bottom, and when water proof cover was installed on the pressure relief valve, described deck was fastened on the hexagon nut and the peripheral wall between the limited ring of pressure relief valve.
2. the pressure relief valve with waterproof construction according to claim 1 is characterized in that, the cover of described water proof cover is made tangent line by a half-round with from the two ends of half-round the straight wall portion that extends to form constitutes; Described deck is made by pipe, its internal diameter equals the outer warp at pressure relief valve peripheral wall position, after in being installed to cover, the half-round internal surface of deck outer surface and cover is tangent, and two free ends of the straight wall portion of cover and deck opening are at a distance of certain span.
3. the pressure relief valve with waterproof construction according to claim 1 is characterized in that, described top cover be shaped as an oval that matches with the shape of cross section of cover and the whole upper-end surface that covers cover.
4. the pressure relief valve with waterproof construction according to claim 1 is characterized in that, described water proof cover adopts engineering plastics to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200674461U CN201021726Y (en) | 2007-02-16 | 2007-02-16 | Pressure release valve with waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200674461U CN201021726Y (en) | 2007-02-16 | 2007-02-16 | Pressure release valve with waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201021726Y true CN201021726Y (en) | 2008-02-13 |
Family
ID=39089135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200674461U Expired - Lifetime CN201021726Y (en) | 2007-02-16 | 2007-02-16 | Pressure release valve with waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201021726Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529491C (en) * | 2007-02-16 | 2009-08-19 | 上海置信非晶合金变压器有限公司 | Pressure release valve with water-proof structure |
| CN112901809A (en) * | 2021-03-02 | 2021-06-04 | 青岛沃华软控有限公司 | Low-temperature-resistant automatic valve for oil depot |
-
2007
- 2007-02-16 CN CNU2007200674461U patent/CN201021726Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100529491C (en) * | 2007-02-16 | 2009-08-19 | 上海置信非晶合金变压器有限公司 | Pressure release valve with water-proof structure |
| CN112901809A (en) * | 2021-03-02 | 2021-06-04 | 青岛沃华软控有限公司 | Low-temperature-resistant automatic valve for oil depot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205687584U (en) | A kind of floating type ripple of swimming | |
| CN201021726Y (en) | Pressure release valve with waterproof structure | |
| CN100529491C (en) | Pressure release valve with water-proof structure | |
| CN201627559U (en) | Integral electric pump wellhead device with safety valve | |
| CN209626849U (en) | A kind of deck cable seal mounting structure | |
| CN207976201U (en) | Rainwater-proof invades transformer pipe type oil-level gauge | |
| CN105194927B (en) | A kind of combined oil filter | |
| CN204127082U (en) | A kind of bolt corrosion protective device for electric power tower | |
| CN205446757U (en) | Transformer fuel outlet valve | |
| CN203871823U (en) | Variable diameter sealing gland for connecting wire pipe and cable of distribution box | |
| CN102133976A (en) | Inflatable composite sealed storage and transportation box | |
| CN108382753B (en) | A kind of inner intumescence type antimony glycol storage device | |
| CN214030236U (en) | Sealed storage tank | |
| CN208221313U (en) | A kind of big specification combination nylon locking acorn nut | |
| CN206052578U (en) | A kind of horizontally-inclined contains jettison gear | |
| CN200993259Y (en) | Anti-theft gate valve screw protector | |
| CN213341474U (en) | Threading box with protection function | |
| CN202593276U (en) | Natural gas passenger car | |
| CN2646535Y (en) | Valve protecting hood | |
| CN104121420A (en) | Valve protection cover | |
| CN203005564U (en) | Matching sleeve for passenger car | |
| CN208547536U (en) | A kind of pressure testing tooling of multi-orifice devices | |
| CN206247253U (en) | A kind of cowshed lamp lampshade | |
| CN216446370U (en) | Novel replaceable roof exhaust pipe with good weather resistance | |
| CN212604784U (en) | Tank top valve body protection structure of tank car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |