CN204554147U - Connection set - Google Patents
Connection set Download PDFInfo
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- CN204554147U CN204554147U CN201520113917.2U CN201520113917U CN204554147U CN 204554147 U CN204554147 U CN 204554147U CN 201520113917 U CN201520113917 U CN 201520113917U CN 204554147 U CN204554147 U CN 204554147U
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- opening
- flange plate
- fixed hole
- connection set
- joint
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Abstract
The utility model discloses a kind of connection set, it is characterized in that, one end is provided with flange plate, and the other end is provided with joint, is also provided with through runner wherein; Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two group fixed holes, and often group fixed hole is at least two, around the first around openings, wherein one group of fixed hole is greater than the maximum spacing of another group fixed hole relative to the first open centre relative to the maximum spacing of the first open centre.Be provided with multiple mounting hole site, different equipment can be applicable to, highly versatile, and adopt integral structure, can not gas leak of the oil leakage, easy and simple to handle.
Description
Technical field
The utility model relates to a kind of connection set.
Background technique
Transformer is the nucleus equipment in electrical network electrical power trans mission/distribution system, and its running state is closely bound up with life production safety.The safe operation of transformer is limited by its insulation characterisitic, and the insulation system that transformer mainly adopts is paper oil insulation, so the performance of paper oil insulation seriously governs safe operation and the life-span of transformer.The transformer fault that since 21 century, mineral insulating oil active sulfur causes takes place frequently, and its reason is containing active sulfur in transformer insulation oil.At high temperature chemical reaction is there is with the copper conductor of transformer in active sulfur in transformer running, produce cuprous sulfide, because the insulating property of cuprous sulfide are poor, it makes paper oil insulation intensity decline gradually to the infiltration of wire insulation paper, pollution, finally cause transformer interturn insulation to puncture, transformer burns.
At present, for the measure of the active sulfur problem of mineral insulating oil, generally use the method adding matal deactivator in transformer oil, matal deactivator can react with conductive copper, forms passivating film on its surface, stops active sulfur to the corrosion on copper surface.The operating procedure of matal deactivator is added: be first injected in clean mixer from body by a small amount of transformer oil in transformer oil, oil-soluble matal deactivator is added toward transformer oil, make matal deactivator solve homogeneously in mineral insulating oil through stirring or circulating, finally mineral insulating oil is re-injected in transformer body.But, in actual production, because the size structure of the transformer oil injection valve of different manufacturers production is inconsistent, need to adopt flange plate diversified in specifications and connecting head, flange plate and connecting head are split type, mutually splice during use again, there is a lot of problem like this, one is need to be equipped with multiple flange plate and connecting head, and carrying, storage bother very much; Two are, the joint of flange plate and connecting head needs the operation repeating to install, dismantle, seal, and easily weares and teares, and each operation all needs the cost plenty of time to do leakage check, avoids leakage of oil air inlet, inefficiency.
Model utility content
Based on this, the utility model discloses a kind of connection set, is provided with multiple mounting hole site, can be applicable to different equipment, highly versatile, and adopt integral structure, can not gas leak of the oil leakage, easy and simple to handle.
Its technological scheme is as follows:
A kind of connection set, one end is provided with flange plate, and the other end is provided with joint, is also provided with through runner wherein; Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two group fixed holes, and often group fixed hole is at least two, around the first around openings, wherein one group of fixed hole is greater than the maximum spacing of another group fixed hole relative to the first open centre relative to the maximum spacing of the first open centre.
A kind of connection set, one end is provided with flange plate, and the other end is provided with joint, is also provided with through runner wherein; Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two elongated holes, and elongated hole is distributed in the first around openings, and the spacing that elongated hole comprises far-end and near-end, far-end and the first open centre is greater than the spacing of near-end and the first open centre.
Wherein in an embodiment, often organize described fixed hole with the first opening for the center of circle is ring shape arrangement.
Wherein in an embodiment, described at least two groups, fixed hole staggers in a circumferential direction mutually.
Wherein in an embodiment, in fixed hole described at least two groups, wherein the aperture of fixed hole described in a group be greater than another group the aperture of described fixed hole.
Wherein in an embodiment, described flange plate and described joint are fixedly connected to form an entirety, be welded and fixed or paste fixing or one-body molded making between described flange plate and described joint.
Wherein in an embodiment, fixed hole described at least one group is located at the region near described flange plate edge, and the described fixed hole of this group is provided with opening in described flange plate edge.
Wherein in an embodiment, the side surface of described joint is provided with the pipeline joint face of at least two-layer annular, is successively decreased successively by the cross section of every layer on described first opening to the direction of described second opening, is formed multilayer steps structure.
Wherein in an embodiment, described runner comprises breeze way, the cross section of described first opening is greater than the cross section of described second opening, and the cross section of at least part of described breeze way is reduced to described second opening direction gradually by described first opening, and described breeze way forms buffer cavity.
Below the principle, effect etc. of preceding solution are described:
1, connection set one end is provided with flange plate, the other end is provided with joint, be also provided with through runner wherein; Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is connected with the oil extraction valve of transformer, joint is overlapped and loads in pipeline, is connected with the mixer of passivator by pipeline, and runner passes therethrough for confession liquid refrigerant;
Flange plate is provided with at least two group fixed holes, often organize fixed hole and be at least two, around the first around openings, wherein one group of fixed hole is greater than the maximum spacing of another group fixed hole relative to the first open centre relative to the maximum spacing of the first open centre, organize fixed hole more, the Transformer oil drain valve door of the different sizes that different manufacturers is produced can be met, during use, as required bolt is installed in suitable fixed hole, when more exchange device, as run into the inconsistent situation in oil extraction valve mounting point, bolt can be installed in corresponding fixed hole and use, like this, make the applicability of connection set strong, broad covered area, only need outfit connection set, just can connect different transformer equipment to operate, significantly reduce the carrying of connection set, store, management workload.
2, connection set one end is provided with flange plate, and the other end is provided with joint, is also provided with through runner wherein; Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two elongated holes, and elongated hole is distributed in the first around openings, and the spacing that elongated hole comprises far-end and near-end, far-end and the first open centre is greater than the spacing of near-end and the first open centre.Can in elongated hole slide bolt, adjusting bolt is relative to the distance of the first open centre, with bolt, connection set is connected with Transformer oil drain valve door in desired position, makes a connection set can connect different oil extraction valves, improve operating efficiency, reduce maintenance cost.
3, described fixed hole is often organized with the first opening for the center of circle is ring shape arrangement; According to the arrangement position of the specifications design fixed hole of common Transformer oil drain valve door, the using scope of connection set is made to have more specific aim;
Described at least two groups, fixed hole staggers in a circumferential direction mutually, due to flange plate generally make thinner, mutually stagger in a circumferential direction between each group of fixed hole, the intensity of flange plate can be increased, make connection set can connect the pipeline of more high pressure, increase the versatility of connection set further;
Preferably, often organize fixed hole and be designed to four, when making connection set flow through liquid refrigerant, uniform force, connects more firm.
4, in fixed hole described at least two groups, wherein the aperture of fixed hole described in a group be greater than another group the aperture of described fixed hole; In practical operation, the situation that the mounting hole aperture of equipment is different can be run into, connection set designs the fixed hole differed in aperture, at the connection request that diametrically and quantitatively can meet multiple oiling transformer valve, the versatility of connection set can be strengthened.
5, described flange plate and described joint are fixedly connected to form an entirety, be welded and fixed or paste fixing or one-body molded making between described flange plate and described joint, traditional connection set, owing to needing to change different flange plate for different equipment, its flange plate and joint are split type, flange plate is provided with center hole, center hole and joint screw-thread fit, joint and flange plate is needed to pass through screwed tight during use, and carry out seal approach, complex operation is also likely mixed into impurity in cargo handling process, in the utility model, a flange plate goes for the plurality of devices of different size, connection set is made as integral type, operation can be made more easy, avoid repeatedly loading and unloading repeated work, the dust be mixed in cargo handling process can be avoided simultaneously, solid debris.
6, fixed hole described at least one group is located at the region near described flange plate edge, and the described fixed hole of this group is provided with opening in described flange plate edge, can save flange plate materials, reducing costs when ensureing join strength.
7, the side surface of described joint is provided with the pipeline joint face of at least two-layer annular, is successively decreased successively by the cross section of every layer on described first opening to the direction of described second opening, is formed multilayer steps structure; Pipeline joint face is for being inserted in the pipeline of docking mixer, and the pipeline joint face of multilayer steps shape, its cross section of every layer is different, can overlap the pipeline loading different size, expands the applicability of connection set.
8, described runner comprises breeze way, and the cross section of described first opening is greater than the cross section of described second opening, and the cross section of at least part of described breeze way is reduced to described second opening direction gradually by described first opening, and described breeze way forms buffer cavity; Breeze way as oily streambuf, prevent from draining the oil or oiling time, oil flows through and suddenly causes negative effect.
Accompanying drawing explanation
Fig. 1 is the front view of embodiment one connection set;
Fig. 2 is the plan view of embodiment one connection set;
Fig. 3 is the plan view of embodiment two connection set.
Description of reference numerals:
100, runner, the 110, first opening, the 120, second opening, 130, breeze way, 131, arc shaped surface, 200, flange plate, 210a, the first fixed hole, 210b, the second fixed hole, 210c, the 3rd fixed hole, 210d, elongated hole, 300, joint, 310, the first pipeline joint face, the 320, second pipeline joint face.
Embodiment
Below embodiment of the present utility model is described in detail:
Embodiment one
As shown in Fig. 1 to 2, connection set one end is provided with flange plate 200, and the other end is provided with joint 300, is also provided with through runner 100 wherein.
Runner 100 is provided with the center region that the first opening 110 and the second opening 120, first opening 110 are located at flange plate 200, and the second opening 120 is located at joint 300.
Flange plate 200 is provided with three groups of fixed holes, is respectively the first fixed hole 210a, the second fixed hole 210b, the 3rd fixed hole 210c.Often organizing fixed hole is four, with the first opening 110 for the center of circle is that ring shape is surrounded on around the first opening 110.
First fixed hole 210a is less than the distance of the second fixed hole 210b relative to the first opening 110 center relative to the distance at the first opening 110 center; Second fixed hole 210b is less than the distance of the 3rd fixed hole 210c relative to the first opening 110 center relative to the distance at the first opening 110 center.
Second fixed hole 210b staggers mutually with the first fixed hole 210a, the 3rd fixed hole 210c in a circumferential direction.(also can be designed at least two group fixed holes, wherein the aperture of one group of fixed hole is greater than the aperture of another group institute fixed hole.)
Flange plate 200 and joint 300 are fixedly connected to form an entirety, be welded and fixed or paste fixing or one-body molded making between flange plate 200 and joint 300.
3rd fixed hole 210c is located at the region near flange plate 200 edge, and this group fixed hole is provided with opening in flange plate 200 edge.
The side surface of joint 300 is provided with the pipeline joint face of two-layer annular, is respectively the first pipeline joint face 310 and the second pipeline joint face 320.
The cross section in the first pipeline joint face 310 is greater than the cross section in the second pipeline joint face 320, and the first pipeline joint face 310 and the second pipeline joint face 320 form multilayer steps structure.
The cross section of the first opening 110 is greater than the cross section of the second opening, and runner 100 comprises breeze way 130, and the cross section of partial buffer section 130 is reduced by the first opening 110 gradually to the second opening 120 direction, forms arc shaped surface 131, and breeze way 130 forms buffer cavity.
Embodiment two
Embodiment two is with the difference of embodiment one:
As shown in Figure 3, flange plate 200 is provided with four elongated hole 210d, elongated hole 210d is uniformly distributed in around the first opening 110, the spacing that elongated hole 210d comprises far-end and near-end, the spacing at far-end and the first opening 110 center is greater than near-end and the first opening 110 center.
Each technical characteristics of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristics in above-described embodiment is not all described, but, as long as the combination of these technical characteristicss does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (9)
1. a connection set, it is characterized in that, one end is provided with flange plate, the other end is provided with joint, is also provided with through runner wherein;
Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two group fixed holes, and often group fixed hole is at least two, around the first around openings, wherein one group of fixed hole is greater than the maximum spacing of another group fixed hole relative to the first open centre relative to the maximum spacing of the first open centre.
2. connection set according to claim 1, is characterized in that, often organizes described fixed hole with the first opening for the center of circle is ring shape arrangement.
3. connection set according to claim 2, is characterized in that, described at least two groups, fixed hole staggers in a circumferential direction mutually.
4. connection set according to claim 1, is characterized in that, in fixed hole described at least two groups, wherein the aperture of fixed hole described in a group be greater than another group the aperture of described fixed hole.
5. connection set according to claim 1, is characterized in that, described flange plate and described joint are fixedly connected to form an entirety, is welded and fixed or pastes fixing or one-body molded making between described flange plate and described joint.
6. connection set according to claim 1, is characterized in that, fixed hole described at least one group is located at the region near described flange plate edge, and the described fixed hole of this group is provided with opening in described flange plate edge.
7. according to the arbitrary described connection set of claim 1 to 6, it is characterized in that, the side surface of described joint is provided with the pipeline joint face of at least two-layer annular, is successively decreased successively by the cross section of every layer on described first opening to the direction of described second opening, is formed multilayer steps structure.
8. according to the arbitrary described connection set of claim 1 to 6, it is characterized in that, described runner comprises breeze way, the cross section of described first opening is greater than the cross section of described second opening, the cross section of at least part of described breeze way is reduced to described second opening direction gradually by described first opening, and described breeze way forms buffer cavity.
9. a connection set, it is characterized in that, one end is provided with flange plate, the other end is provided with joint, is also provided with through runner wherein;
Wherein, runner is provided with the first opening and the second opening, and the first opening is located at the center region of flange plate, and the second opening is located at joint; Flange plate is provided with at least two elongated holes, and elongated hole is distributed in the first around openings, and the spacing that elongated hole comprises far-end and near-end, far-end and the first open centre is greater than the spacing of near-end and the first open centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113917.2U CN204554147U (en) | 2015-02-16 | 2015-02-16 | Connection set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113917.2U CN204554147U (en) | 2015-02-16 | 2015-02-16 | Connection set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204554147U true CN204554147U (en) | 2015-08-12 |
Family
ID=53829258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520113917.2U Active CN204554147U (en) | 2015-02-16 | 2015-02-16 | Connection set |
Country Status (1)
| Country | Link |
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| CN (1) | CN204554147U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571897A (en) * | 2016-01-13 | 2016-05-11 | 天威保变(合肥)变压器有限公司 | Transformer oil sample collection device |
| CN114121430A (en) * | 2021-11-26 | 2022-03-01 | 国网四川省电力公司南充供电公司 | Oil supplementing device for transformer oil conservator |
-
2015
- 2015-02-16 CN CN201520113917.2U patent/CN204554147U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571897A (en) * | 2016-01-13 | 2016-05-11 | 天威保变(合肥)变压器有限公司 | Transformer oil sample collection device |
| CN114121430A (en) * | 2021-11-26 | 2022-03-01 | 国网四川省电力公司南充供电公司 | Oil supplementing device for transformer oil conservator |
| CN114121430B (en) * | 2021-11-26 | 2023-07-18 | 国网四川省电力公司南充供电公司 | Oil supplementing device for transformer oil pillow |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |