CN210110695U - Voltage transformer high-voltage fuse mounting structure - Google Patents
Voltage transformer high-voltage fuse mounting structure Download PDFInfo
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- CN210110695U CN210110695U CN201920962853.1U CN201920962853U CN210110695U CN 210110695 U CN210110695 U CN 210110695U CN 201920962853 U CN201920962853 U CN 201920962853U CN 210110695 U CN210110695 U CN 210110695U
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- lock hole
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- rubber button
- wiring cap
- spring
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- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 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
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a voltage transformer high tension fuse mounting structure belongs to power equipment technical field. A circular ring type base is arranged at the end part of the porcelain bushing, and a spring pin is arranged on the circumferential surface of the base; the wiring cap is provided with a lock hole matched with the spring pin; a rubber button is arranged in the lock hole, and the rubber button and the lock hole are in transition fit; the inner end of the rubber button is fixed with a pressing block, and the pressing block is in clearance fit with the lock hole. When the porcelain bushing is installed, the wiring cap is sleeved at one end of the base on the porcelain bushing to push the wiring cap inwards, and the upper end of the ejector pin enters the lock hole under the thrust action of the spring to realize the fixed connection of the wiring cap and the porcelain bushing; when the terminal is disassembled, the rubber button is pressed inwards, the top pin is pressed out of the lock hole by the pressing block at the inner end of the rubber button, and then the wiring cap is pulled outwards; the utility model has convenient installation and disassembly and high efficiency; the rubber button can also play a role in sealing, prevent internal parts from being corroded, and prolong the service life of the mounting structure.
Description
Technical Field
The utility model relates to a power equipment technique specifically is a voltage transformer high tension fuse mounting structure.
Background
The voltage transformer is an indispensable important device in the power system, and plays an important role in converting high voltage of the power system into low voltage for the use of a protection device, a measuring device and a power metering device, thereby realizing the monitoring and control of the running state of the power system. The safe and stable operation of the voltage transformer directly determines the safe and stable operation of the power system and the reliable supply of power, and therefore, the stable operation of the voltage transformer must be effectively protected. The high-voltage fuse is equipment for protecting the voltage transformer. The high-voltage fuse plays an important role in the protection of the voltage transformer by relying on the advantages of simple protection principle, small volume and low price.
As shown in fig. 1, the connection mode of the traditional porcelain bushing 1 and the wiring cap 2 is screw connection 3, and the connection screw is easy to rust because the voltage transformer runs in an outdoor environment and needs to be subjected to the conditions of rain, sunshine, pollution corrosion and the like. When the high-voltage fuse is overhauled and needs to be replaced, once the connecting screw is rusted, the high-voltage fuse is very inconvenient to disassemble.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a voltage transformer high tension fuse mounting structure.
The utility model discloses a following technical scheme realizes: comprises a porcelain bushing and a wiring cap arranged at the end part of the porcelain bushing; the end part of the porcelain bushing is provided with a circular ring type base, and the circumferential surface of the base is provided with a spring pin; the wiring cap is provided with a lock hole matched with the spring pin; a rubber button is arranged in the lock hole, and the rubber button and the lock hole are in transition fit; the inner end of the rubber button is fixed with a pressing block, and the pressing block is in clearance fit with the lock hole.
It further comprises the following steps: the outer end of the base is connected with a flange through a bolt, and the flange is connected to the end part of the porcelain sleeve through a bolt.
A step hole for a spring pin is formed in the base; the spring pin comprises a spring and a top pin which are arranged in a step hole of the base; the upper end of the ejector pin extends out of the step hole of the base, and the lower end of the ejector pin is provided with a blocking platform matched with the step in the step hole of the base; the spring is abutted against the lower end of the ejector pin and gives an upward movement force to the ejector pin.
The inner wall of the wiring cap is provided with a slideway which is communicated with the end part of the wiring cap of the base and the lock hole; the slide way is obliquely arranged.
The lockhole is a stepped hole, the upper end of the rubber button extends out of the lockhole, and the lower end of the rubber button is provided with a gear table matched with the stepped hole.
Compared with the prior art, the beneficial effects of the utility model are that:
when the porcelain bushing is installed, the wiring cap is sleeved at one end of the base on the porcelain bushing, and then the ejector pin is opposite to the slide way on the wiring cap; finally, the wiring cap is pushed inwards until the ejector pin slides into the lock hole, and under the thrust action of the spring, the upper end of the ejector pin enters the lock hole, so that the wiring cap and the porcelain sleeve are fixedly connected;
when the terminal is disassembled, the rubber button is pressed inwards, the top pin is pressed out of the lock hole by the pressing block at the inner end of the rubber button, and then the wiring cap is pulled outwards;
the utility model has convenient installation and disassembly and high efficiency; the rubber button can also play a role in sealing, prevent internal parts from being corroded, and prolong the service life of the mounting structure.
Drawings
FIG. 1 is a prior art high voltage fuse structure for a voltage transformer;
FIG. 2 is a schematic structural view of the present invention;
in the figure: 1. a porcelain bushing; 2. a wiring cap; 2-1, lock hole; 2-2, a slideway; 3. a screw; 4. briquetting; 5. a base; 6. a rubber button; 7. a spring pin; 7-1, a spring; 7-2 and a knock pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in figure 2, in the high-voltage fuse mounting structure of the voltage transformer, a base 5 is arranged at the end part of a porcelain sleeve 1, the porcelain sleeve 1 is sleeved on the base 5, and the porcelain sleeve 1 is connected with the base 5 through a spring pin 7.
The base 5 is the ring form, and 5 outer ends of base have flange 8 through bolted connection, and flange 8 passes through bolted connection at 1 tip of insulator. The circumferential surface of the base 5 is provided with a step hole for installing the spring pin 7.
The spring pin 7 comprises a spring 7-1 and a top pin 7-2 which are arranged in a step hole of the base 5; the upper end of the top pin 7-2 extends out of the step hole of the base 5, and the lower end of the top pin 7-2 is provided with a blocking platform matched with the step in the step hole of the base 5; the spring 7-1 is abutted against the lower end of the ejector pin 7-2, and the spring 7-1 gives an upward movement force to the ejector pin 7-2.
The wiring cap 2 is provided with a lock hole 2-1 matched with the spring pin 7, the inner wall of the wiring cap 2 is provided with a slideway 2-2 communicated with the end part of the base wiring cap 2 and the lock hole 2-1, and the slideway 2-2 is obliquely arranged. In order to achieve unlocking of the spring catch 7 and to protect the spring catch 7 from rain, a rubber button 6 is designed. The lock hole 2-1 is a stepped hole, the upper end of the rubber button 6 extends out of the lock hole 2-1, the lower end of the rubber button 6 is provided with a stop table matched with the step in the lock hole 2-1, and the rubber button 6 is in transition fit with the lock hole 2-1. The inner end of the rubber button 6 is fixed with a pressing block 4, and the pressing block 4 is in clearance fit with the lock hole 2-1.
During installation:
firstly, the rubber button 6 is pulled out outwards, the wiring cap is sleeved at one end of the base on the porcelain sleeve, and then the ejector pin is opposite to the slideway on the wiring cap; finally, the wiring cap is pushed inwards until the ejector pin slides into the lock hole, and under the thrust action of the spring, the upper end of the ejector pin enters the lock hole, so that the wiring cap and the porcelain sleeve are fixedly connected;
when the disassembly is carried out:
pressing the rubber button inwards, pressing a pressing block at the inner end of the rubber button to press the ejector pin out of the lock hole, and then pulling out the wiring cap outwards;
the embodiment can show that the utility model has convenient installation and disassembly and high efficiency; the rubber button can also play a role in sealing, prevent internal parts from being corroded, and prolong the service life of the mounting structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-voltage fuse mounting structure of a voltage transformer comprises a porcelain bushing (1) and a wiring cap (2) mounted at the end part of the porcelain bushing (1); the method is characterized in that: the end part of the porcelain bushing (1) is provided with a circular ring type base (5), and the circumferential surface of the base (5) is provided with a spring pin (7); the wiring cap (2) is provided with a lock hole (2-1) matched with the spring pin (7); a rubber button (6) is arranged in the lock hole (2-1), and the rubber button (6) is in transition fit with the lock hole (2-1); the inner end of the rubber button (6) is fixed with a pressing block (4), and the pressing block (4) is in clearance fit with the lock hole (2-1).
2. A voltage transformer high-voltage fuse mounting structure according to claim 1, wherein: the outer end of the base (5) is connected with a flange (8) through a bolt, and the flange (8) is connected to the end of the porcelain sleeve (1) through a bolt.
3. A voltage transformer high-voltage fuse mounting structure according to claim 1, wherein: a step hole for a spring pin (7) is formed in the base (5); the spring pin (7) comprises a spring (7-1) and a top pin (7-2) which are arranged in a step hole of the base (5); the upper end of the ejector pin (7-2) extends out of a step hole of the base (5), and the lower end of the ejector pin (7-2) is provided with a blocking platform matched with the step in the step hole of the base (5); the spring (7-1) is abutted against the lower end of the ejector pin (7-2), and the spring (7-1) gives upward movement force to the ejector pin (7-2).
4. A voltage transformer high-voltage fuse mounting structure according to claim 1, wherein: the inner wall of the wiring cap (2) is provided with a slideway (2-2) for communicating the end part of the base wiring cap (2) with the lock hole (2-1); the slide ways (2-2) are obliquely arranged.
5. A voltage transformer high-voltage fuse mounting structure according to claim 1, wherein: the lock hole (2-1) is a stepped hole, the upper end of the rubber button (6) extends out of the lock hole (2-1), and the lower end of the rubber button (6) is provided with a gear table matched with the step in the lock hole (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962853.1U CN210110695U (en) | 2019-06-25 | 2019-06-25 | Voltage transformer high-voltage fuse mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920962853.1U CN210110695U (en) | 2019-06-25 | 2019-06-25 | Voltage transformer high-voltage fuse mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210110695U true CN210110695U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920962853.1U Active CN210110695U (en) | 2019-06-25 | 2019-06-25 | Voltage transformer high-voltage fuse mounting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049524A (en) * | 2020-09-28 | 2020-12-08 | 秦松 | Anti-theft door lock |
| CN112190909A (en) * | 2020-09-23 | 2021-01-08 | 西安航空职业技术学院 | Timing and scoring device for shooting basketball by back and forth dribbling |
-
2019
- 2019-06-25 CN CN201920962853.1U patent/CN210110695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190909A (en) * | 2020-09-23 | 2021-01-08 | 西安航空职业技术学院 | Timing and scoring device for shooting basketball by back and forth dribbling |
| CN112049524A (en) * | 2020-09-28 | 2020-12-08 | 秦松 | Anti-theft door lock |
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