CN213583614U - Novel high tension switchgear isolator structure - Google Patents
Novel high tension switchgear isolator structure Download PDFInfo
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- CN213583614U CN213583614U CN202021876027.4U CN202021876027U CN213583614U CN 213583614 U CN213583614 U CN 213583614U CN 202021876027 U CN202021876027 U CN 202021876027U CN 213583614 U CN213583614 U CN 213583614U
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Abstract
The utility model discloses a novel high tension switchgear isolator structure, including moving base, moving contact, fixed base, fixed part, a plurality of U type fixed contact piece, a plurality of movable contact piece, with movable contact piece one-to-one's regulation part and adjustment portion, regulation portion and adjustment portion are used for connecting fixed contact piece with the movable contact piece, the blind end of fixed contact piece passes through the fixed part install in on the fixed base, the spacing groove has all been seted up to one side that two arms of fixed contact piece open end were kept away from each other, the movable contact piece passes through the regulation portion set up in the side of keeping away from each other of two arms of the open end of fixed contact piece, adjustment portion one end is located the spacing inslot, through seting up the cambered surface groove on the movable contact piece, after the moving contact gets into, area is whole cambered surface for improving the through-current capacity promptly. The utility model provides a novel high tension switchgear isolator structure has increase area of contact, improves the effect of through-current capacity.
Description
Technical Field
The utility model relates to a power switch cabinet technical field especially relates to a novel high tension switchgear isolator structure.
Background
The application of the high-voltage switch cabinet in a power grid is increasingly wide, and compared with a conventional outdoor switch, the closed high-voltage switch cabinet has greater advantages in the aspects of reducing occupied space, preventing equipment from being rusted and the like, but also has the defect that other parts with higher temperature rise, such as moving and static contacts and the like, cannot be observed visually. In the operation process of equipment, parts such as movable and static contact joint in the cubical switchboard can cause because of various reasons and generate heat, because the cubical switchboard is in the closed condition and leads to the difficult observation of the temperature of these position that generate heat, and long-term overheated under the effect of heavy current, the accumulation makes insulating part and other nonconducting parts insulating gradual cracking lead to accidents such as equipment dielectric breakdown even damage finally day by day.
The conductive area of the contact plate designed by the existing isolating switch is insufficient in through-current capacity, and the temperature of the contact part of the moving contact and the fixed contact is easy to rise after long-term operation, so that accidents are caused.
SUMMERY OF THE UTILITY MODEL
To above-mentioned problem, now provide a novel high tension switchgear isolator structure, aim at realizing the area of contact that increases the contact, increase current capacity's effect.
The specific technical scheme is as follows:
a novel high-voltage switch cabinet isolating switch structure comprises a moving base, a moving contact, a fixed base, a fixed part, a plurality of U-shaped fixed contact pieces, a plurality of moving contact pieces, an adjusting part and an adjusting part, wherein the adjusting part and the adjusting part are in one-to-one correspondence with the moving contact pieces, the adjusting part and the adjusting part are used for connecting the fixed contact pieces and the moving contact pieces, the closed ends of the fixed contact pieces are installed on the fixed base through the fixed part, one sides, away from each other, of two arms at the open ends of the fixed contact pieces are respectively provided with a limiting groove, the moving contact pieces are arranged on the sides, away from each other, of the two arms at the open ends of the fixed contact pieces through the adjusting part, one end of the adjusting part is positioned in the limiting groove, the other end of the adjusting part extends out of the limiting groove and is connected with the moving contact piece, the moving contact is vertically arranged on the moving base in, when the movable base moves back and forth, the movable contact can enter or leave the conductive contact area between the two corresponding cambered grooves.
Foretell novel high tension switchgear isolator structure still has such characteristic, the fixed part includes T type connecting rod and two L type connection pieces, two L type connection piece symmetric distribution in the left and right sides of T type connecting rod, and two a connection face of L type connection piece all through the bolt with T type connecting rod is connected, two another connection face of L type connection piece with decide the base and connect.
The beneficial effect of above-mentioned scheme: used for connecting the fixed contact piece with the fixed base.
Foretell novel high tension switchgear isolator structure still has such characteristic, the regulating part is including lining up bolt and regulating spring, decide the contact with it has seted up the through-hole to correspond on the movable contact, the lining up bolt runs through the through-hole, lining up bolt one end has the nut for nut other end threaded connection, the regulating spring cover is located on the lining up bolt, regulating spring's one end with the nut butt, the other end with the movable contact butt.
The beneficial effect of above-mentioned scheme: when the moving contact enters between the corresponding moving contact pieces, the moving contact extrudes the two moving contact pieces to the left side and the right side respectively, the moving contact pieces are stressed and then take the through bolt as a fulcrum to generate a small-amplitude lever effect, the distance between the front ends of the two moving contact pieces is increased, the distance between the rear ends of the two moving contact pieces is reduced, so that the moving contact can conveniently enter the cambered groove, and after the moving contact completely enters, the two moving contact pieces simultaneously clamp the moving contact.
The novel isolating switch structure of the high-voltage switch cabinet is characterized in that the adjusting portion is two adjusting springs, two limiting grooves are formed in one side, away from each other, of two arms of the opening end of the fixed contact piece, four limiting grooves are formed in the front side and the rear side of the through hole respectively, one end of each adjusting spring is located in each limiting groove, and the other end of each adjusting spring extends out of each limiting groove and is connected with the movable contact piece.
The beneficial effect of above-mentioned scheme: when the moving contact enters between the corresponding moving contact pieces, the moving contact extrudes the two moving contact pieces to the left side and the right side respectively, the moving contact pieces are stressed and then take a small-amplitude lever effect by taking the through bolt as a fulcrum, the pressure borne by the adjusting spring at the rear side is smaller than that of the adjusting spring at the front side, so that the adjusting spring at the rear side pushes the rear end of the moving contact pieces to be parallel to the front end, the adjusting spring is extruded simultaneously, after the moving contact enters the cambered surface groove, the adjusting springs at the front side and the rear side jointly form relative balance with the adjusting spring, and the moving contact is clamped tightly by the two moving contact pieces.
The novel high-voltage switch cabinet isolating switch structure is characterized in that the end faces of two arms of the opening end of the fixed contact piece are arranged into an arc surface shape with the same radian as the outer side wall of the moving contact, and when the moving contact enters the conductive contact area, the arc surface end of the fixed contact piece is just attached to the side wall of the moving contact.
The beneficial effect of above-mentioned scheme: the contact surface is enlarged to improve the current capacity.
The novel isolating switch structure of the high-voltage switch cabinet is characterized in that one end, far away from the fixed contact piece, of the movable contact piece is also in an arc surface shape.
The beneficial effect of above-mentioned scheme: the moving contact can conveniently enter between the moving contact pieces.
In conclusion, the scheme has the beneficial effects that:
the utility model provides a novel among the high tension switchgear isolator structure, through set up the cambered surface groove on the movable contact piece, after the movable contact gets into, area of contact is promptly for whole cambered surface in order to improve the through-current capacity. The utility model provides a novel high tension switchgear isolator structure has increase area of contact, improves the effect of through-current capacity.
Drawings
Fig. 1 is a schematic view of a top-down structure of the novel high-voltage switch cabinet isolating switch structure of the utility model;
fig. 2 is an enlarged schematic view of a in fig. 1 according to the present invention.
Description of the drawings: 1. fixing a base; 2. a T-shaped connecting rod; 3. an L-shaped connecting sheet; 4. a fixed contact piece; 5. a movable contact spring; 6. adjusting the spring; 7. a through bolt; 8. adjusting the spring; 9. a movable base; 10. moving contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the invention.
Fig. 1 is the utility model discloses a novel high tension switchgear isolator structure dive open the structure schematic diagram, fig. 2 is the utility model discloses a goes out enlarged structure schematic diagram in fig. 1, as shown in fig. 1, fig. 2, the novel high tension switchgear isolator structure that this embodiment provided: comprises a movable base 9, a movable contact 10, a fixed base 1, a fixed part, a plurality of U-shaped fixed contact pieces 4, a plurality of movable contact pieces 5, an adjusting part and an adjusting part which are in one-to-one correspondence with the movable contact pieces 5, wherein the adjusting part and the adjusting part are used for connecting the fixed contact pieces 4 and the movable contact pieces 5, the closed end of each fixed contact piece 4 is arranged on the fixed base 1 through the fixed part, one sides of two arms at the opening end of each fixed contact piece 4, which are far away from each other, are respectively provided with a limiting groove, the movable contact 5 is arranged on the side surface of the two arms at the opening end of each fixed contact piece 4 through the adjusting part, one end of the adjusting part is positioned in the limiting groove, the other end of the adjusting part extends out of the limiting groove and is connected with the movable contact piece 5, the movable contact 10 is cylindrical and is vertically arranged on the movable base, the movable contact 10 can enter or leave the conductive contact area between the two arc surface grooves.
In the above embodiment, the fixing portion includes T-shaped connecting rod 2 and two L-shaped connecting pieces 3, and two L-shaped connecting pieces 3 are symmetrically distributed on the left and right sides of T-shaped connecting rod 2, and a connecting surface of two L-shaped connecting pieces 3 is connected with T-shaped connecting rod 2 through a bolt, and another connecting surface of two L-shaped connecting pieces 3 is connected with fixed base 1.
In the above embodiment, the adjusting portion includes the through bolt 7 and the adjusting spring 8, the fixed contact piece 4 and the movable contact piece 5 are correspondingly provided with through holes, the through bolt 7 penetrates through the through holes, one end of the through bolt 7 is a nut, the other end of the through bolt is connected with a nut through a thread, the adjusting spring 8 is sleeved on the through bolt 7, one end of the adjusting spring 8 abuts against the nut, and the other end of the adjusting spring abuts against the movable contact piece 5.
In the above embodiment, the adjusting portion is two adjusting springs 6, two limiting grooves are respectively formed on the two sides of the opening end of each fixed contact piece 4, which are far away from each other, the four limiting grooves are respectively located on the front side and the rear side of the through hole, and one end of each adjusting spring 6 is located in the limiting groove, and extends out of the limiting groove and is connected with the movable contact piece 5.
It should be noted that, when the movable contact 10 does not enter between the movable contact pieces 5, the two adjusting springs 6 and the adjusting top spring are in a balanced state, and both the adjusting springs 6 and the adjusting springs 8 are in a compressed state.
In the above embodiment, the end surfaces of the two arms at the opening end of the fixed contact piece 4 are arranged in the shape of an arc surface with the same radian as the outer side wall of the movable contact 10, and after the movable contact 10 enters the conductive contact area, the end of the arc surface of the fixed contact piece 4 just adheres to the side wall of the movable contact 10.
In the above embodiment, the end of the movable contact piece 5 away from the fixed contact piece 4 is also provided in the shape of a curved surface.
The working principle is that when the moving contact 10 enters between the corresponding moving contact pieces 5, the moving contact 10 respectively extrudes the two moving contact pieces 5 towards the left side and the right side, the moving contact pieces 5 generate a small-amplitude lever effect by taking the through bolt 7 as a fulcrum after being stressed, the pressure borne by the adjusting spring 6 at the rear side is smaller than that of the adjusting spring 6 at the front side, so that the adjusting spring 6 at the rear side pushes the rear end of the moving contact piece 5 to be parallel to the front end, and simultaneously extrudes the adjusting spring 8, when the moving contact 10 enters the arc groove, the adjusting springs 6 at the front side and the rear side jointly form relative balance with the adjusting spring 8, and the moving contact 10 is clamped by the two moving contact pieces 5, and when the moving contact 10 completely.
The above is merely a preferred embodiment of the present invention, and not intended to limit the scope and the range of the present invention, and those skilled in the art should be able to realize that all the equivalent substitutions and obvious changes made by the present invention description should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a novel high tension switchgear isolator structure which characterized in that: comprises a movable base (9), a movable contact (10), a fixed base (1), a fixed part, a plurality of U-shaped fixed contact pieces (4), a plurality of movable contact pieces (5), and an adjusting part which are in one-to-one correspondence with the movable contact pieces (5), wherein the adjusting part and the adjusting part are used for connecting the fixed contact pieces (4) and the movable contact pieces (5), the closed end of the fixed contact pieces (4) is arranged on the fixed base (1) through the fixed part, one sides of the two arms at the opening end of the fixed contact pieces (4) which are far away from each other are both provided with a limiting groove, the movable contact pieces (5) are arranged on the side surfaces of the two arms at the opening end of the fixed contact pieces (4) which are far away from each other through the adjusting part, one end of the adjusting part is positioned in the limiting groove, the other end of the adjusting part extends out of the limiting groove and then is connected with the movable, arc surface grooves which can be attached to the side walls of the moving contact (10) are formed in the opposite side surfaces of the two moving contacts (5) arranged on the same fixed contact (4), and when the moving base (9) moves back and forth, the moving contact (10) can enter or separate from the conductive contact area between the two corresponding arc surface grooves.
2. The novel high-voltage switch cabinet isolating switch structure as claimed in claim 1, wherein: the fixed part includes T type connecting rod (2) and two L type connection pieces (3), two L type connection piece (3) symmetric distribution in the left and right sides of T type connecting rod (2), and two a connection face of L type connection piece (3) all through the bolt with T type connecting rod (2) are connected, two another connection face of L type connection piece (3) with decide base (1) and connect.
3. The novel high-voltage switch cabinet isolating switch structure as claimed in claim 1, wherein: the adjusting part comprises a through bolt (7) and an adjusting spring (8), a through hole is correspondingly formed in the fixed contact piece (4) and the movable contact piece (5), the through bolt (7) penetrates through the through hole, one end of the through bolt (7) is connected with a nut for the nut and the other end of the through bolt in a threaded manner, the adjusting spring (8) is sleeved on the through bolt (7), one end of the adjusting spring (8) is abutted to the nut, and the other end of the adjusting spring is abutted to the movable contact piece (5).
4. The novel high-voltage switch cabinet isolating switch structure as claimed in claim 3, wherein: the adjusting part is two adjusting springs (6), two limiting grooves are formed in one side, far away from each other, of two arms of the opening end of each fixed contact piece (4), the four limiting grooves are located on the front side and the rear side of the through hole respectively, one end of each adjusting spring (6) is located in each limiting groove, and the adjusting springs extend out of the limiting grooves and are connected with the movable contact pieces (5).
5. The novel high-voltage switch cabinet isolating switch structure as claimed in claim 1, wherein: the end surfaces of two arms of the opening end of the fixed contact piece (4) are arranged to be arc-surface-shaped, the radian of the two arms is the same as that of the outer side wall of the moving contact (10), and after the moving contact (10) enters the conductive contact area, the arc-surface end of the fixed contact piece (4) is just attached to the side wall of the moving contact (10).
6. The novel high-voltage switch cabinet isolating switch structure as claimed in any one of claims 1 to 5, wherein: one end of the movable contact piece (5) far away from the fixed contact piece (4) is also arranged to be arc-surface-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876027.4U CN213583614U (en) | 2020-09-01 | 2020-09-01 | Novel high tension switchgear isolator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876027.4U CN213583614U (en) | 2020-09-01 | 2020-09-01 | Novel high tension switchgear isolator structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213583614U true CN213583614U (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021876027.4U Active CN213583614U (en) | 2020-09-01 | 2020-09-01 | Novel high tension switchgear isolator structure |
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| Country | Link |
|---|---|
| CN (1) | CN213583614U (en) |
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2020
- 2020-09-01 CN CN202021876027.4U patent/CN213583614U/en active Active
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