CN215299077U - High-voltage shielding cover for high-voltage switch - Google Patents
High-voltage shielding cover for high-voltage switch Download PDFInfo
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- CN215299077U CN215299077U CN202120592230.7U CN202120592230U CN215299077U CN 215299077 U CN215299077 U CN 215299077U CN 202120592230 U CN202120592230 U CN 202120592230U CN 215299077 U CN215299077 U CN 215299077U
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- cover body
- fixed cylinder
- fixed
- contact
- voltage switch
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Abstract
The utility model provides a high-voltage shielding cover for high-voltage switch, relate to the shielding cover technical field, concretely relates to high-voltage shielding cover for high-voltage switch, solve the technical problem that the shielding cover is difficult to install on the fixed cylinder among the prior art, including a jar body, the moving contact and the static contact of high-voltage switch are placed in the jar body, the static contact is placed on the insulating seat, the end part of moving contact and static contact is placed in the fixed cylinder, the fixed cylinder both ends are fixed to the internal wall of jar through the insulating gallows, be provided with the slider on the moving contact, the fixed cylinder inner wall is provided with the spout, the slider is placed in the spout; the moving component is arranged at the tail part of the moving contact and is used for pushing the moving contact; the shielding cover is in split type arrangement, and the upper cover body and the lower cover body are coated on the outer wall of the fixed cylinder.
Description
Technical Field
The utility model relates to a shield cover technical field, concretely relates to high-voltage shield cover for high-voltage switch.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc.
In order to make the electric field distribution of the outer peripheral surface of the contact uniform, improve the electric field environment of the circuit breaker and improve the insulation level of the circuit breaker in the prior art, a shielding case is usually arranged outside a moving contact and a static contact of the circuit breaker, the distribution of a power plant at the periphery is improved, the diameter of a tank body can be reduced on the basis of meeting the through-flow and breaking capacities of the circuit breaker, and the technical problem that the shielding case in the prior art is inconvenient to place is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a novel high-voltage shielding cover for high-voltage switch can solve the technical problem in the background art.
The utility model discloses a following technical scheme realizes: a high-voltage shielding case for a high-voltage switch comprises a tank body, wherein a moving contact and a static contact of the high-voltage switch are arranged in the tank body, the static contact is arranged on an insulating base, the end parts of the moving contact and the static contact are arranged in a fixed cylinder, two ends of the fixed cylinder are fixed to the inner wall of the tank body through insulating hangers, a sliding block is arranged on the moving contact, a sliding groove is arranged on the inner wall of the fixed cylinder, and the sliding block is arranged in the sliding groove;
the moving component is arranged at the tail part of the moving contact and is used for pushing the moving contact;
the shielding cover is in split type arrangement, and the upper cover body and the lower cover body are coated on the outer wall of the fixed cylinder.
Preferably, the insulating base and the insulating hanger are made of ceramic materials.
Preferably, the moving assembly comprises a moving rod and a fixing block for fixing the moving rod, the fixing block and the tank body are integrally formed, and a connecting seat is arranged at the joint of the moving rod and the moving contact.
Preferably, fixing devices are arranged between the upper cover body and the lower cover body and between the upper cover body and the fixed cylinder, each fixing device comprises a T-shaped block arranged on the lower cover body, and a T-shaped groove which is arranged on the fixed cylinder and follows the T-shaped block;
the fixing device also comprises a through hole arranged on the upper cover body and a fixing rod arranged on the fixing barrel, wherein the fixing rod penetrates through the through hole, a threaded part is arranged on the fixing rod, and the gland is screwed on the fixing rod.
Preferably, the two ends of the upper cover body are provided with clamping blocks, the two ends of the lower cover body are provided with clamping grooves, and the clamping blocks are pressed in the clamping grooves.
Compared with the prior art, the utility model, the shield cover parcel that adopts split type design is used for the contact of moving, static contact in the fixed section of thick bamboo at the outer wall of fixed section of thick bamboo, and the upper and lower cover body carries out fixed connection with fixed section of thick bamboo alone to the upper and lower cover body is accomplished sealedly at both ends pressfitting.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the attachment of the shield to the fixed barrel.
In the figure: 1. a tank body; 2. an insulating base; 3. static contact; 4. a moving contact; 41. a connecting seat; 42. a slider; 5. a fixed cylinder; 51. a T-shaped slot; 6. a shield case; 61. an upper cover body; 611. a clamping block; 62. a lower cover body; 621. a T-shaped block; 622. a card slot; 7. an insulating hanger; 8. a fixed block; 9. a travel bar; 10. fixing the rod; 101. a threaded portion; 11. and (7) pressing the cover.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The present invention is further explained with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, a high voltage shielding case 6 for a high voltage switch includes a tank body 1, a moving contact 4 and a static contact 3 of the high voltage switch are placed in the tank body 1, the static contact 3 is placed on an insulating base 2, end portions of the moving contact 4 and the static contact 3 are placed in a fixed cylinder 5, two ends of the fixed cylinder 5 are fixed to an inner wall of the tank body 1 through an insulating hanger 7, a slider 42 is arranged on the moving contact 4, an inner wall of the fixed cylinder 5 is provided with a chute, the slider 42 is placed in the chute, in order to ensure the insulation performance of the whole device, the insulating base 2 and the insulating hanger 7 are made of ceramic materials, and an insulating protective gas is filled in the tank body 1;
the moving component is arranged at the tail part of the moving contact 4 and is used for pushing the moving contact 4; the movable assembly comprises a movable rod 9 and a fixed block 8 for fixing the movable rod 9, the fixed block 8 and the tank body 1 are integrally formed, a connecting seat 41 is arranged at the joint of the movable rod 9 and the movable contact 4, the movable rod 9 on the movable assembly can be driven by a cylinder or other external driving devices, a controller can be adopted to control the driving devices, the driving devices can meet requirements to push the movable rod 9, and the movable contact 4 is connected with the fixed contact 3.
Still include shield cover 6, shield cover 6 is split type setting, and upper and lower cover body 62 cladding is on fixed section of thick bamboo 5 outer wall. The arrangement of the shielding case 6 is to improve the electric field distribution uniformity of the peripheral surface of the contact, improve the electric field environment of the circuit breaker and improve the insulation level of the circuit breaker, in the device, the shielding case 6 is arranged on the outer wall of the fixed cylinder 5, so that the shielding case 6 is convenient to fix and mount the shielding case 6, and the shielding case 6 is divided into an upper part and a lower part;
fixing devices are arranged between the upper cover body 62, the lower cover body 62 and the fixed cylinder 5, each fixing device comprises a T-shaped block 621 arranged on the lower cover body 62, and a T-shaped groove 51 arranged on the fixed cylinder 5 and following the T-shaped block 621; the T-shaped block 621 is inserted into the T-shaped groove 51, and the lower cover 62 is fixed first;
the fixing device further comprises a through hole formed in the upper cover body 61, a fixing rod 10 arranged on the fixing barrel 5, the fixing rod 10 penetrates through the through hole, a thread portion 101 is arranged on the fixing rod 10, the gland 11 is screwed on the fixing rod 10, the upper cover body 61 is fixed after the fixing of the lower cover body 62 is completed, the upper cover body 61 is screwed to the fixing rod 10 through the gland 11, a threaded hole matched with the thread portion 101 of the fixing rod 10 is formed in the gland 11, the gland 11 and the fixing cover are fixed in a thread screwing mode, and the gland 11 is pressed on the upper cover body 61.
Furthermore, two ends of the upper cover body 61 are provided with a clamping block 611, two ends of the lower cover body 62 are provided with a clamping groove 622, and the clamping block 611 is pressed in the clamping groove 622. The length of the latch 611 is longer than the depth of the slot 622, and the latch 611 and the slot 622 can be matched to make the upper and lower housings 62 fit tightly.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. The utility model provides a high-voltage shielding cover for high-voltage switch, includes a jar body, and jar internal moving contact and the static contact of placing high-voltage switch, its characterized in that: the fixed contact is placed on the insulating seat, the moving contact and the end head part of the fixed contact are placed in the fixed cylinder, two ends of the fixed cylinder are fixed on the inner wall of the tank body through the insulating hanger, the moving contact is provided with a sliding block, the inner wall of the fixed cylinder is provided with a sliding groove, and the sliding block is placed in the sliding groove;
the moving component is arranged at the tail part of the moving contact and is used for pushing the moving contact;
the shielding cover is in split type arrangement, and the upper cover body and the lower cover body are coated on the outer wall of the fixed cylinder.
2. The high voltage shielding can for high voltage switch of claim 1, wherein: the insulating base and the insulating hanger are made of ceramic materials.
3. The high voltage shielding can for high voltage switch of claim 1, wherein: the movable assembly comprises a movable rod and a fixed block for fixing the movable rod, the fixed block and the tank body are integrally formed, and a connecting seat is arranged at the joint of the movable rod and the movable contact.
4. The high voltage shielding can for high voltage switch of claim 1, wherein: fixing devices are arranged between the upper cover body and the lower cover body and between the upper cover body and the fixed cylinder, each fixing device comprises a T-shaped block arranged on the lower cover body, and a T-shaped groove which is arranged on the fixed cylinder and follows the T-shaped block;
the fixing device also comprises a through hole arranged on the upper cover body and a fixing rod arranged on the fixing barrel, wherein the fixing rod penetrates through the through hole, a threaded part is arranged on the fixing rod, and the gland is screwed on the fixing rod.
5. The high voltage shielding can for high voltage switch of claim 4, wherein: the both ends of the upper cover body are provided with clamping blocks, the both ends of the lower cover body are provided with clamping grooves, and the clamping blocks are pressed in the clamping grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592230.7U CN215299077U (en) | 2021-03-23 | 2021-03-23 | High-voltage shielding cover for high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120592230.7U CN215299077U (en) | 2021-03-23 | 2021-03-23 | High-voltage shielding cover for high-voltage switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215299077U true CN215299077U (en) | 2021-12-24 |
Family
ID=79534343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120592230.7U Active CN215299077U (en) | 2021-03-23 | 2021-03-23 | High-voltage shielding cover for high-voltage switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215299077U (en) |
-
2021
- 2021-03-23 CN CN202120592230.7U patent/CN215299077U/en active Active
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