CN205282214U - Case becomes pressure relief valve protection device - Google Patents
Case becomes pressure relief valve protection device Download PDFInfo
- Publication number
- CN205282214U CN205282214U CN201521068376.2U CN201521068376U CN205282214U CN 205282214 U CN205282214 U CN 205282214U CN 201521068376 U CN201521068376 U CN 201521068376U CN 205282214 U CN205282214 U CN 205282214U
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- China
- Prior art keywords
- relief valve
- cylindrical body
- protection device
- pressure relief
- valve protection
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Abstract
The utility model discloses a case becomes pressure relief valve protection device, including being used for covering pressure relief valve's cylindrical body and last closing cap, going up closing cap and cylindrical body's upper end fixed connection and seal cylindrical body's last port, by descending the supreme opening that is used for the pressure relief valve connector to pass through of offering on cylindrical body's the lateral wall. Cylindrical body adopts the iron pipe to make, and the closing cap passes through the upper end of welded fastening at cylindrical body for disc iron plate makes upward to go up the closing cap. The utility model has the advantages of simple structure, convenient to use, safe and reliable, practicality are strong, will the utility model discloses the cover protects its inside electronic components not receive the damage can effectively stop rainwater, dust entering pressure relief valve on the case becomes pressure relief valve inside to increase of service life improves the security.
Description
Technical field
This utility model relates to a kind of transformator preventer, especially relates to a kind of for covering pressure relief valve for preventing rainwater, dust from carrying out its internal protection device.
Background technology
The arranging of big-and-middle-sized transformator generally adopts pressure relief valve replace explosion stack, and it is connected with oil tank of transformer. When transformator normal operation; earth pressure release valve protection transformer oil and extraneous air isolation; when transformator is short-circuited fault; electric arc and spark will be there is in Transformer Winding; transformer oil is made to produce a large amount of gases in moment; the pressure width in fuel tank is caused to increase; when pressure reaches certain value; pressure relief valve can quickly open to discharge pressure; and when Pressure Drop to a certain extent time; pressure relief valve can be automatically switched off again, thus reaching the purpose of protection transformator, it is prevented that oil tank of transformer deforms blast because pressure is excessive.
Although current pressure relief valve self is with the shell preventing rainwater, dust from entering its inside, but owing to its action element is exposed in atmosphere, when meeting sleety weather, rainwater tends to enter inside pressure relief valve along its housing slot, thus the electronic devices and components within build-up of pressure relief valve damage, not only have impact on the service life of self, be also easy to cause the generation of the accidents such as transformator tripping operation, safety is seriously affected.
Utility model content
The purpose of this utility model is to provide a kind of case pressure changeable relief valve protection device; it has simple in construction, esy to use, safe and reliable, practical advantage; this utility model is covered on and case pressure changeable relief valve can effectively stop rainwater, dust enter inside pressure relief valve; effectively its internal electronic devices and components of protection; thus increasing the service life, improve safety.
Action element for solving prior art raising middle flask pressure changeable relief valve is exposed in atmosphere, rainwater enters inside pressure relief valve easily by its housing slot, thus the technical problem that the electronic devices and components within build-up of pressure relief valve damage, a kind of case pressure changeable relief valve protection device that this utility model provides, including cylindrical body and upper cover for covering pressure relief valve, described upper cover fixes, with the upper end of cylindrical body, the upper port being connected and sealing cylindrical body, the sidewall of described cylindrical body offers gap from the bottom to top that pass through for pressure relief valve's union joint.
Further, this utility model one case pressure changeable relief valve protection device, wherein, described cylindrical body adopts iron pipe to make, and described upper cover is disc iron plate and makes upper cover be fixed by welding in the upper end of cylindrical body.
Further, this utility model one case pressure changeable relief valve protection device, wherein, the radius of described upper cover is more than the upper end radius of cylindrical body, and arranges the convex edge downwardly extended at the edge of upper cover.
Further, this utility model one case pressure changeable relief valve protection device, wherein, the lower end of described convex edge is in expanding outwardly shape.
Further, this utility model one case pressure changeable relief valve protection device, wherein, on the lateral wall of described cylindrical body and be in the upside of gap and be provided with the brim of a hat shape rain and take device.
Further, this utility model one case pressure changeable relief valve protection device, wherein, described the brim of a hat shape rain is taken device and is adopted irony material to make and pass through to weld be connected fixing with cylindrical body.
Further, this utility model one case pressure changeable relief valve protection device, wherein, the external diameter of described cylindrical body is 120mm, and the height of cylindrical body is 140mm, and the wall thickness of cylindrical body is 3mm.
Further, this utility model one case pressure changeable relief valve protection device, wherein, described cylindrical body, upper cover, convex edge and the brim of a hat shape rain are taken device and are processed each through anticorrosion with painting paint after welding completes.
This utility model one case pressure changeable relief valve protection device is compared with prior art, have the advantage that (1) this utility model is by being arranged to cover cylindrical body and the upper cover of pressure relief valve, upper cover is made to fix, with the upper end of cylindrical body, the upper port being connected and sealing cylindrical body, and on the sidewall of cylindrical body, offer the gap passed through for pressure relief valve's union joint from the bottom to top, thus just constitute the protection device of case pressure changeable relief valve, in practical application, cylindrical body is allowed to cover pressure relief valve and to make the union joint of pressure relief valve pass through from gap, can effectively prevent rainwater, dust etc. enter the situation causing electronic devices and components to damage or break down inside pressure relief valve from the housing slot of pressure relief valve's action element, extend the service life of pressure relief valve, enhance security performance, have real sexual preferably. (2) as prioritization scheme, the cylindrical body in this utility model adopts iron pipe to make, and upper cover adopts disc iron plate, and makes the two pass through to be welded and fixed. the pressure that pressure relief valve discharges also can be got rid of in time by the cylindrical body of irony and upper cover while meeting rainproof function, also allows for installing.
Device is protected to be described in further detail this utility model one case pressure changeable relief valve below in conjunction with accompanying drawing illustrated embodiment:
Accompanying drawing explanation
Fig. 1 is the axonometric chart of a kind of case pressure changeable relief valve protection the first embodiment of device of this utility model;
Fig. 2 is the top view of a kind of case pressure changeable relief valve protection the first embodiment of device of this utility model;
Fig. 3 is the front view of a kind of case pressure changeable relief valve protection the first embodiment of device of this utility model;
Fig. 4 is the A-A direction view in Fig. 2;
Fig. 5 is the axonometric chart of a kind of case pressure changeable relief valve protection device the second embodiment of this utility model;
Fig. 6 is the top view of a kind of case pressure changeable relief valve protection device the second embodiment of this utility model;
Fig. 7 is the front view of a kind of case pressure changeable relief valve protection device the second embodiment of this utility model;
Fig. 8 is the B-B direction view in Fig. 6;
Fig. 9 is the axonometric chart of a kind of case pressure changeable relief valve protection the third embodiment of device of this utility model;
Figure 10 is the top view of a kind of case pressure changeable relief valve protection the third embodiment of device of this utility model;
Figure 11 is the front view of a kind of case pressure changeable relief valve protection the third embodiment of device of this utility model;
Figure 12 is the C-C direction view in Figure 10.
Detailed description of the invention
The first embodiment of a kind of case pressure changeable relief valve protection device of this utility model as shown in Figures 1 to 4; including cylindrical body 1 and upper cover 2 for covering pressure relief valve; allow upper cover 2 fix, with the upper end of cylindrical body 1, the upper port being connected and sealing cylindrical body 1, the sidewall of cylindrical body 1 offers gap 3 from the bottom to top that pass through for pressure relief valve's union joint. Thus just constitute the protection device of case pressure changeable relief valve; in practical application; cylindrical body 1 is allowed to cover pressure relief valve and to make the union joint of pressure relief valve pass through from gap 3; can effectively prevent rainwater, dust etc. from entering inside pressure relief valve from the housing slot of pressure relief valve's action element; cause the situation that internal electronic component damages or breaks down; extend the service life of pressure relief valve, enhance security performance, have real sexual preferably.
As detailed description of the invention, the cylindrical body 1 in this utility model adopts iron pipe to make, and upper cover 2 adopts disc iron plate, and makes upper cover 2 be fixed by welding in the upper end of cylindrical body 1. Cylindrical body 1 and upper cover 2 are set to ferrous material, the pressure that pressure relief valve discharges quickly can be got rid of in time while meeting rainproof function, also improve the convenience of installation simultaneously, enhance practicality.
The second embodiment of a kind of case pressure changeable relief valve protection device of this utility model as shown in Fig. 5 to Fig. 8; with the first embodiment the difference is that; the second embodiment more than the upper end radius of cylindrical body 1, and is provided with the convex edge 4 downwardly extended by the radius of upper cover 2 at the edge of upper cover 2. This structure is arranged, and can effectively protect the weld of cylindrical body 1 and upper cover 2 not by rain erosion, extend the service life of protection device, enhance protection effect and practicality.
The third embodiment of a kind of case pressure changeable relief valve protection device of this utility model as shown in Fig. 9 to Figure 12; with the second embodiment the difference is that; the third embodiment is expand outwardly shape by the lower end of convex edge 4; the vast pretective acreage of this structure; particularly in sleety weather; sleet can be avoided to fall directly on the lower end of cylindrical body 1; reduce the sputtering produced when sleet the falls impact to cylindrical body 1 with collision on the ground; also reduce sleet and enter the probability within pressure relief valve, further enhancing safety and practicality. Meanwhile, the third embodiment, also on the lateral wall of cylindrical body 1 and be in the upside of gap 3 and be provided with the brim of a hat shape rain and take device 5, allows the brim of a hat shape rain take device 5 and adopts irony material to make and pass through welding and fix with cylindrical body 1 and be connected. Take device 5 can strengthen the protective effect to pressure changeable relief valve connector position by arranging the brim of a hat shape rain.
It should be noted that, size and the shape of the cylindrical body 1 in this utility model can be arranged according to actual needs, but consider from the angle of versatility, for coordinating the Commonly Used Size of case pressure changeable relief valve, generally the external diameter of cylindrical body 1 can be designed as 120mm, the height of cylindrical body 1 is designed as 140mm, and the wall thickness of cylindrical body 1 is designed as 3mm, can meet instructions for use. Meanwhile, cylindrical body 1 of the present utility model, upper cover 2, convex edge 4 and the brim of a hat shape rain are taken device 5 and have also been carried out the process of anticorrosion with painting paint after welding completes, with the purpose that realization slows down corrosion, increases the service life.
Above example is only the description that preferred implementation of the present utility model is carried out; not this utility model is claimed the restriction that scope carries out; under the premise without departing from this utility model design principle and spirit; the various forms of deformation that this area engineers and technicians make according to the technical solution of the utility model, all should fall in the determined protection domain of this utility model claims.
Claims (8)
1. a case pressure changeable relief valve protection device; it is characterized in that: include the cylindrical body (1) for covering pressure relief valve and upper cover (2); described upper cover (2) upper port that be connected and seal cylindrical body (1) fixing with the upper end of cylindrical body (1), the sidewall of described cylindrical body (1) offers gap (3) from the bottom to top that pass through for pressure relief valve's union joint.
2. a kind of case pressure changeable relief valve protection device described in claim 1; it is characterized in that: described cylindrical body (1) adopts iron pipe to make, and described upper cover (2) is for disc iron plate and makes upper cover (2) be fixed by welding in the upper end of cylindrical body (1).
3. a kind of case pressure changeable relief valve protection device described in claim 2; it is characterized in that: the radius of described upper cover (2) is more than the upper end radius of cylindrical body (1), and arranges the convex edge (4) downwardly extended at the edge of upper cover (2).
4. a kind of case pressure changeable relief valve protection device described in claim 3, it is characterised in that: the lower end of described convex edge (4) is in expanding outwardly shape.
5. a kind of case pressure changeable relief valve protection device described in claim 2, it is characterised in that: on the lateral wall of described cylindrical body (1) and be in the upside of gap (3) and be provided with the brim of a hat shape rain and take device (5).
6. a kind of case pressure changeable relief valve protection device described in claim 5, it is characterised in that: described the brim of a hat shape rain is taken device (5) and is adopted irony material to make and pass through to weld be connected fixing with cylindrical body (1).
7. a kind of case pressure changeable relief valve protection device described in any one of claim 2-6; it is characterized in that: the external diameter of described cylindrical body (1) is 120mm; the height of cylindrical body (1) is 140mm, and the wall thickness of cylindrical body (1) is 3mm.
8. a kind of case pressure changeable relief valve protection device described in any one of claim 2-6, it is characterised in that: described cylindrical body (1), upper cover (2), convex edge (4) and the brim of a hat shape rain are taken device (5) and are processed each through anticorrosion with painting paint after welding completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521068376.2U CN205282214U (en) | 2015-12-21 | 2015-12-21 | Case becomes pressure relief valve protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521068376.2U CN205282214U (en) | 2015-12-21 | 2015-12-21 | Case becomes pressure relief valve protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282214U true CN205282214U (en) | 2016-06-01 |
Family
ID=56066766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521068376.2U Active CN205282214U (en) | 2015-12-21 | 2015-12-21 | Case becomes pressure relief valve protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282214U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204231A (en) * | 2017-06-02 | 2017-09-26 | 成都雷纳斯科技有限公司 | A kind of oil-filled transformer Buchholz relay protective cover |
-
2015
- 2015-12-21 CN CN201521068376.2U patent/CN205282214U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107204231A (en) * | 2017-06-02 | 2017-09-26 | 成都雷纳斯科技有限公司 | A kind of oil-filled transformer Buchholz relay protective cover |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |