CN213933217U - Transformer insulating oil sampling valve - Google Patents
Transformer insulating oil sampling valve Download PDFInfo
- Publication number
- CN213933217U CN213933217U CN202021800082.5U CN202021800082U CN213933217U CN 213933217 U CN213933217 U CN 213933217U CN 202021800082 U CN202021800082 U CN 202021800082U CN 213933217 U CN213933217 U CN 213933217U
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- valve body
- sealing
- channel
- insulating oil
- lower valve
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- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a transformer insulating oil sampling valve, including upper valve body (3) and lower valve body (8), characterized in that, upper valve body (3) vertically is equipped with the first passageway that link up, and, be equipped with in the upper end of upper valve body (3) with transformer get oil mouth sealing connection's connecting portion (1), be located the oil-out (14) of first passageway at the lower extreme of upper valve body (3) and be equipped with the sealing mechanism of sealed passway mouth; the lower valve body (8) is provided with a second channel which penetrates through the lower valve body longitudinally, a sleeving part which is used for sleeving the bottom of the upper valve body is arranged on the upper part of the lower valve body (8), a triggering part (7) which triggers the sealing mechanism to open is arranged in the lower valve body, and after the lower valve body (8) is sleeved on the upper valve body (3), the sealing mechanism is opened by the triggering part (7) so as to penetrate through the first channel and the second channel.
Description
Technical Field
The utility model relates to a get oily valve technical field, especially relate to a novel special valve of transformer oil fetching.
Background
Along with the improvement of voltage grade, the requirements on technical indexes of the transformer in all aspects of installation, operation and maintenance are gradually improved, and the quality of the transformer insulating oil influences whether the transformer can normally operate or not and even endangers the safe and stable operation of the transformer. Therefore, in the process of transformer installation and operation and maintenance, the monitoring of the quality of transformer oil is particularly important, the sampling and inspection of the transformer oil are required in the oil treatment process of the large-scale transformer after the arrival of new oil, the residual oil treatment and the circulation of hot oil, the oil treatment process, the handover and the maintenance, and the main items of inspection include: electrical strength, water content, dielectric loss tangent, and particle size.
Present transformer sample department often installs and gets oily valve, opens the valve when getting oily process, and the reuse is got oily bottle and is directly placed and is getting oily mouthful below and take a sample, not only makes the oil appearance drip the waste that causes on ground easily, also can not effectively isolated air, influences oil appearance quality.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the insulating oily sampling valve of transformer that provides, this valve can fast-assembling quick detach to relative sealing, it is extremely convenient to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transformer insulating oil sampling valve comprises an upper valve body and a lower valve body, and is structurally characterized in that,
the upper valve body is longitudinally provided with a through first channel, the upper end of the upper valve body is provided with a connecting part which is in sealing connection with an oil taking port of a transformer, and the lower end of the upper valve body, which is positioned at an oil outlet of the first channel, is provided with a sealing mechanism for sealing the channel port;
the lower valve body is provided with a second channel which penetrates through the lower valve body in the longitudinal direction, the upper portion of the lower valve body is provided with a sleeving part which is used for sleeving the bottom of the upper valve body, a triggering part which triggers the opening of the sealing mechanism is arranged in the lower valve body, and when the lower valve body is sleeved on the upper valve body, the sealing mechanism is opened by the triggering part, so that the first channel and the second channel are communicated.
Preferably, the sealing mechanism comprises a conical plug, the conical plug penetrates through the oil outlet, a sealing plate is connected to the top of the conical plug, and the sealing plate is connected with the inner cavity wall of the upper valve body through an elastic connecting piece and used for the conical plug to reciprocate in the oil outlet so as to seal and open the oil outlet through the sealing mechanism.
Preferably, the conical plug sequentially comprises a large cylindrical part, a conical part and a small cylindrical part from top to bottom, the large cylindrical part is in clearance sealing fit with the oil outlet, and the small cylindrical part is used for being matched with the lower valve body triggering part.
Preferably, the conical plug consists, from the inside outwards, of a rigid support and an elastic seal; the rigid supporting piece forms a framework of the conical plug and is connected with the sealing plate, and the elastic sealing piece wraps the periphery of the supporting piece.
Preferably, the sealing plate is further provided with a sealing groove, and a sealing gasket is arranged in the sealing groove.
Preferably, a sliding sleeve is arranged outside the sleeving part of the lower valve body, the bottom end of the sliding sleeve is connected with the lower valve body connecting part through a return elastic part so as to realize that the sliding sleeve slides up and down along the sleeving part, a limiting cavity is radially arranged on the connecting part, a return spring is arranged in the limiting cavity, a limiting column is arranged, the limiting column penetrates through the return spring, one end of the limiting column extends into the second channel, and the return spring is used for stretching of the limiting column; and the periphery of the upper valve body is provided with a positioning groove clamped with the limiting column.
Preferably, an inclined plane is arranged on the inner wall of the sliding sleeve from the middle part downwards, and when the inclined plane is used for enabling the sliding sleeve to slide upwards, a return space is provided for the limiting column, so that the end part of the limiting column returns to the limiting cavity.
Preferably, the trigger part comprises a porous plate arranged in the second channel, a trigger column is arranged on the porous plate in a protruding mode, and the trigger column is used for triggering the sealing mechanism.
Preferably, a sealing ring is further arranged in the connecting part of the upper valve body.
Preferably, the lower end of the lower valve body is provided with a threaded connection part for connecting an oil taking pipeline.
Compared with the prior art, the utility model, its beneficial effect does:
the utility model discloses get the fuel tap and set up through upper and lower valve body structure, go up the valve body can direct mount and get the hydraulic fluid port in the transformer, can form sealedly on the one hand, on the other hand gets oil when needs and examines time measuring, only needs to plug the valve body down and connects, can realize getting oil operation, and is both simple and convenient.
Drawings
Fig. 1 is a schematic structural view of a novel transformer oil-taking special valve provided by the utility model;
fig. 2 is an enlarged schematic view of a structure at a position a of the novel special oil-taking valve for the transformer provided by the utility model;
fig. 3 is the utility model provides a novel B department structure of special valve of transformer oil fetching enlarges the schematic diagram.
In the figure: 1. a connecting portion; 2. a filter screen; 3. an upper valve body; 4. positioning a groove; 5. a sliding sleeve; 6. a seal ring; 7. a trigger section; 8. a lower valve body; 9. a threaded connection; 10. a sealing plate; 11. a groove; 12. a conical plug; 13. a return elastic member; 14. an oil outlet; 15. an elastic connecting member; 16. a limiting column; 17. a return spring; 18 a stop plate; 19. a limiting cavity;
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-3, a transformer insulating oil sampling valve comprises an upper valve body 3 and a lower valve body 8, wherein the upper valve body 3 is longitudinally provided with a through first channel, the upper end of the upper valve body 3 is provided with a connecting part 1 which is hermetically connected with an oil taking port of a transformer, and the lower end of the upper valve body 3, which is positioned at an oil outlet 14 of the first channel, is provided with a sealing mechanism for sealing the channel port;
the lower valve body 8 is provided with a second channel which penetrates through the lower valve body in the longitudinal direction, the upper portion of the lower valve body 8 is provided with a sleeving part which is used for sleeving the bottom of the upper valve body, a triggering part 7 which triggers the opening of the sealing mechanism is arranged in the lower valve body, and after the lower valve body 8 is sleeved on the upper valve body 3, the sealing mechanism is opened by the triggering part 7 so as to penetrate through the first channel and the second channel.
The sealing mechanism comprises a conical plug 12, the conical plug 12 penetrates through an oil outlet 14, a sealing plate 10 is connected to the top of the conical plug 12, and the sealing plate 10 is connected with the inner cavity wall of the upper valve body through an elastic connecting piece 15 and used for the conical plug 12 to reciprocate in the oil outlet 14, so that the sealing mechanism can seal and open the oil outlet 14.
Further, the conical plug 12 sequentially comprises a large cylindrical part, a conical part and a small cylindrical part from top to bottom, the large cylindrical part is in clearance sealing fit with the oil outlet 14, and the small cylindrical part is used for being matched with the triggering part 7 of the lower valve body 8.
Further, the conical plug 12 consists, from the inside outwards, of a rigid support and an elastic seal; the rigid support member forms a framework of the conical plug 12 and is connected with the sealing plate 10, and the elastic sealing member is wrapped on the periphery of the support member.
Further, the sealing plate 10 is further provided with a sealing groove 11, and a sealing gasket is arranged in the sealing groove 11.
As shown in the figure, a sliding sleeve 5 is arranged outside the sleeving part of the lower valve body, the bottom end of the sliding sleeve 5 is connected with the connecting part of the lower valve body through a return elastic part 13 so as to realize that the sliding sleeve 5 slides up and down along the sleeving part, the connecting part is radially provided with a limiting cavity 19, a return spring 17 is arranged in the limiting cavity 19, a limiting column 16 is arranged, the limiting column 16 penetrates through the return spring 17, one end of the limiting column extends into the second channel, and the return spring 17 is used for extending and retracting the limiting column 16; and the periphery of the upper valve body is provided with a positioning groove 4 clamped with a limiting column 16.
Wherein, be equipped with backstop plate 18 in the spacing chamber 19, reset spring 17 is by the centre gripping between backstop plate 18 and spacing intracavity export, and reset spring 17's bottom is fixed on spacing post, and the one end that first passageway was kept away from to spacing post supports and leans on the inner wall of sliding sleeve 5. When the sliding sleeve slides, the limit column 16 is driven by the return spring 17 to extend out or return into the limit cavity 19.
Further, the inner wall of the sliding sleeve 5 is provided with an inclined plane downwards from the middle part, and when the inclined plane is used for the sliding sleeve 5 to slide upwards, the inclined plane gives a return space of the limiting column so that the end part of the limiting column returns to the limiting cavity 19.
Trigger portion 7 establishes the perforated plate in the second passageway, the protrusion is equipped with the trigger post on the perforated plate, the trigger post is used for triggering sealing mechanism.
Further, a filter screen 2 is arranged in the connecting part 1 of the upper valve body; the lower end of the lower valve body is provided with a threaded connection part 9 for connecting an oil taking pipeline, and a sealing ring 6 is arranged at the matching position of the upper valve body and the lower valve body.
When the utility model is used, the connecting part 1 of the upper valve body 3 is connected with the oil taking port of the original oil taking valve in advance, when oil is taken each time, the lower valve body 8 is only needed to be carried to be inserted into the upper valve body 3, the sliding sleeve 5 is pushed upwards, under the elastic action of the reset spring 17, the inner side end of the limit post 16 is propped back into the limit cavity 19, at the moment, the lower valve body 8 can be inserted, then the sliding sleeve 5 is loosened, the reset is realized under the elastic action of the elastic element 13, the inner side end of the limit post 16 is propped into the limit groove 4 to complete the installation, at the moment, the trigger part 7 is propped against the conical plug 12 to move, the sealing plate 10 moves along with the sliding, thereby the oil outlet 14 is opened, the threaded connecting part 9 is connected with the oil taking pipe in a threaded manner, the oil taking can be realized, the oil taking is relatively sealed, the waste of an oil sample is also avoided, the lower valve body 8 is pulled out after the oil taking, the conical plug 12 is reset under the elastic action of the elastic element 15, the sealing plate 10 is sealed with a gasket 11.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (10)
1. A transformer insulating oil sampling valve comprises an upper valve body (3) and a lower valve body (8), and is characterized in that,
the upper valve body (3) is longitudinally provided with a through first channel, the upper end of the upper valve body (3) is provided with a connecting part (1) which is connected with an oil taking port of a transformer in a sealing way, and the lower end of the upper valve body (3) is provided with a sealing mechanism for sealing a channel port at an oil outlet (14) of the first channel;
the lower valve body (8) is provided with a second channel which penetrates through the lower valve body longitudinally, a sleeving part which is used for sleeving the bottom of the upper valve body is arranged on the upper part of the lower valve body (8), a triggering part (7) which triggers the sealing mechanism to open is arranged in the lower valve body, and after the lower valve body (8) is sleeved on the upper valve body (3), the sealing mechanism is opened by the triggering part (7) so as to penetrate through the first channel and the second channel.
2. The transformer insulating oil sampling valve according to claim 1, characterized in that the sealing mechanism comprises a conical plug (12), the conical plug (12) penetrates through the oil outlet (14), a sealing plate (10) is connected to the top of the conical plug (12), and the sealing plate (10) is connected to the inner cavity wall of the upper valve body through an elastic connecting piece (15) for the conical plug (12) to reciprocate in the oil outlet (14) so as to realize the sealing and opening of the sealing mechanism to the oil outlet (14).
3. The transformer insulating oil sampling valve according to claim 2, characterized in that the conical plug (12) comprises a large cylindrical portion, a conical portion and a small cylindrical portion from top to bottom in sequence, the large cylindrical portion is in clearance seal fit with the oil outlet (14), and the small cylindrical portion is used for being matched with the triggering portion (7) of the lower valve body (8).
4. A transformer insulating oil sampling valve according to claim 3, characterized in that the conical plug (12) consists of a rigid support and an elastic seal from the inside outwards; the rigid supporting piece forms a framework of the conical plug (12) and is connected with the sealing plate (10), and the elastic sealing piece is wrapped on the periphery of the supporting piece.
5. The transformer insulating oil sampling valve according to claim 3, wherein the sealing plate (10) is further provided with a sealing groove (11), and a sealing gasket is arranged in the sealing groove (11).
6. The transformer insulating oil sampling valve according to claim 1, wherein a sliding sleeve (5) is arranged outside the sleeved portion of the lower valve body, the bottom end of the sliding sleeve (5) is connected with the connecting portion of the lower valve body through a return elastic member to realize that the sliding sleeve (5) slides up and down along the sleeved portion, the connecting portion is radially provided with a limiting cavity (19), a return spring (17) is arranged in the limiting cavity (19), a limiting post (16) is arranged, the limiting post (16) passes through the return spring (17), one end of the limiting post extends into the second channel, and the return spring (17) is used for extending and retracting the limiting post (16); and the periphery of the upper valve body is provided with a positioning groove (4) clamped with the limiting column (16).
7. The transformer insulating oil sampling valve according to claim 6, characterized in that an inclined surface is arranged on the inner wall of the sliding sleeve (5) from the middle part to the bottom, and the inclined surface is used for providing a return space for the limiting column when the sliding sleeve (5) slides upwards so as to enable the end part of the limiting column to return to the limiting cavity (19).
8. The transformer insulating oil sampling valve according to claim 1, characterized in that the trigger part (7) comprises a perforated plate arranged in the second channel, a trigger post is arranged on the perforated plate in a protruding manner, and the trigger post is used for triggering the sealing mechanism.
9. The transformer insulating oil sampling valve according to claim 1, characterized in that a sealing ring (2) is further arranged in the connecting part (1) of the upper valve body.
10. The transformer insulating oil sampling valve according to claim 1, characterized in that the lower end of the lower valve body is provided with a threaded connection part (9) for connecting an oil taking pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800082.5U CN213933217U (en) | 2020-08-26 | 2020-08-26 | Transformer insulating oil sampling valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021800082.5U CN213933217U (en) | 2020-08-26 | 2020-08-26 | Transformer insulating oil sampling valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213933217U true CN213933217U (en) | 2021-08-10 |
Family
ID=77161304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021800082.5U Active CN213933217U (en) | 2020-08-26 | 2020-08-26 | Transformer insulating oil sampling valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213933217U (en) |
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2020
- 2020-08-26 CN CN202021800082.5U patent/CN213933217U/en active Active
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