CN220491787U - Horizontal telescopic isolating switch static contact - Google Patents

Abstract

The utility model relates to the technical field of fixed contacts, and provides a horizontal telescopic isolating switch fixed contact which comprises a contact seat, a bearing frame and contact fingers, wherein the contact fingers are movably connected to the bottom end of the inner wall of the bearing frame, two sides of the inner wall of the bearing frame are fixedly connected with at least two groups of compression springs, one side of each compression spring, which is close to the middle part of the bearing frame, is fixedly connected with a top plate, the top end of the bearing frame is fixedly connected with a connecting block, when the fixed contact is used, a push plate is pushed to the outer side of the contact seat, at the moment, the push plate drives a sliding block, the connecting block and the bearing frame to move, when the push plate drives the bearing frame to move to a certain distance, the contact fingers at the bottom end of the bearing frame can be removed, at the moment, the contact fingers can be removed from the inner side of the bearing frame, and the compression springs and the top plate are not limited, so that the fixed contact springs are convenient to take.

Description

Horizontal telescopic isolating switch static contact

Technical Field

The utility model relates to the technical field of fixed contacts, in particular to a horizontal telescopic isolating switch fixed contact.

Background

The isolating switch is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit, a switching device without an arc extinguishing function is provided with a plurality of tiny parts, a static contact is one of key parts, the static contact is a key part of a high-voltage switch, the high-voltage switch is switched on and off by means of the static contact, the service life of the high-voltage switch is determined, and then the safe operation of a high-voltage transmission and transformation power grid is determined.

The static contact for the disconnecting switch is disclosed by a search publication number CN207925382U, and is roughly described as comprising a contact seat and contact fingers arranged on the upper side and the lower side of the contact seat, wherein the contact seat comprises two support plates and a vertical plate which are U-shaped, one end of each contact finger is connected with the support plate of the contact seat through an adjusting bolt, a spring is sleeved on the adjusting bolt and arranged between the contact finger and the support plate, the other end of each contact finger is provided with a C-shaped elastic sheet, one end of each elastic sheet is fixed on the support plate through a fixing bolt, the other end of each elastic sheet is fixed on each contact finger, an arc striking rod is arranged on the vertical plate of the contact seat, and the length of each arc striking rod is larger than that of each contact finger. The utility model has reasonable structural design, the contact finger is connected with the fixed seat through the adjusting bolt and the elastic sheet, is convenient to detach, ensures certain elasticity and excellent conductivity, and the striking rod can strike arcs on residual inductance voltage, capacitance current and the like, thereby reducing the burning loss of the movable contact and the fixed contact.

According to the technical scheme, the touch finger and the fixing seat are connected in the bolt mode, the touch finger and the fixing seat can be quickly disassembled, however, when the switch is used, the size of the internal part of the switch is determined due to the size of the isolating switch, the internal part of the switch is connected in the bolt mode, when the switch is disassembled, the operation is troublesome, a tool corresponding to the bolt is needed to be found, and once the switch is not completely disassembled, other parts in the switch can be mistakenly touched, so that the switch is damaged.

Disclosure of Invention

The utility model provides a horizontal telescopic isolating switch static contact, which solves the problem that parts inside an isolating switch in the related art are not easy to take out.

The technical scheme of the utility model is as follows: the utility model provides a horizontal telescopic isolator static contact, includes contact seat and bearing frame and touches and indicate, touch indicates swing joint setting in bearing frame's inner wall bottom department, the equal fixedly connected with of bearing frame's inner wall both sides is no less than two sets of compression springs, one side fixedly connected with roof that compression spring is close to bearing frame middle part, bearing frame's top fixedly connected with connecting block, the top fixedly connected with slider of connecting block, the top fixedly connected with push pedal of slider, the outer wall of roof and the outer wall both sides mutual contact of touching indicate.

Preferably, one side, far away from the bearing frame, of the outer wall of the contact seat takes the middle part as an axis, and the two sides of the contact seat are fixedly connected with connecting conductors.

Preferably, an arc striking plate is fixedly connected to the middle part of one side, far away from the connecting conductor, of the outer wall of the contact seat, and a fixing bolt is fixedly connected to the connecting part of the arc striking plate and the contact seat.

Preferably, the outer wall of the contact seat is provided with bearing frames on the upper side and the lower side of the arc striking plate, and a plurality of groups of telescopic shafts are fixedly connected to the shadow of the bearing frames and are connected with one side of the outer wall of the bearing frames.

Preferably, the top end and the bottom end of the outer wall of the contact seat are provided with first sliding grooves, the first sliding grooves are matched with the pushing plate, and the inner wall of the contact seat, which is positioned at the two sides of the first sliding grooves, is provided with second sliding grooves for sliding blocks to move.

Preferably, a guide rod is fixedly connected to one side of the edge of the top end of the outer wall of the bearing frame, and a guide groove matched with the guide rod is formed in the bottom end of the contact seat.

Preferably, the push plate is made of an insulating material.

Preferably, two groups of baffles are fixedly connected to the edge of the inner wall of the bearing frame, and the outer walls of the baffles are in contact with the outer walls of the contact fingers.

The working principle and the beneficial effects of the utility model are as follows:

when the push plate is used, the push plate is pushed to the outer side of the contact seat, at the moment, the push plate drives the sliding block, the connecting block and the bearing frame to move, when the push plate drives the bearing frame to move to a certain distance, the contact finger at the bottom end of the bearing frame can be taken out, the movement can be stopped, the contact finger can be moved out of the inner side of the bearing frame at the moment, the compression spring and the top plate do not limit the contact finger any more, so that the bearing frame can be conveniently taken out, and after the taking is finished, the bearing frame can be automatically reset under the action of the telescopic shaft.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a front split schematic view of the overall structure of the present utility model.

Fig. 3 is a side view of the overall structure of the present utility model.

The reference numerals are: 1. a contact base; 11. an arc striking plate; 12. a connection conductor; 13. a fixing bolt; 14. a first chute; 15. a telescopic shaft; 16. a second chute; 17. a guide groove; 2. a load-bearing frame; 21. a baffle; 22. a connecting block; 23. a slide block; 24. a push plate; 25. a guide rod; 3. a contact finger; 4. a compression spring; 41. and a top plate.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the utility model provides a horizontal telescopic isolating switch static contact, which comprises a contact base 1, a bearing frame 2 and contact fingers 3, wherein the contact fingers 3 are movably connected and arranged at the bottom end of the inner wall of the bearing frame 2, at least two groups of compression springs 4 are fixedly connected to both sides of the inner wall of the bearing frame 2, one side of the compression springs 4 close to the middle part of the bearing frame 2 is fixedly connected with a top plate 41, the top end of the bearing frame 2 is fixedly connected with a connecting block 22, the top end of the connecting block 22 is fixedly connected with a sliding block 23, the top end of the sliding block 23 is fixedly connected with a push plate 24, the outer wall of the top plate 41 is contacted with both sides of the outer wall of the contact fingers 3, so that the purpose of limiting the contact fingers 3 can be achieved by extruding the compression springs 4 and the push plate 24, one side of the outer wall of the contact base 1, which is far away from the middle part of the bearing frame 2, is fixedly connected with a connecting conductor 12, one side middle part of the outer wall of the contact base 1, which is far away from the connecting conductor 12, is fixedly connected with an arc striking plate 11, so that residual current of the contact base 1 can be guided out, and the connecting part of the arc striking plate 11 and the contact base 1 are fixedly connected with a fixed bolt 13.

Referring to fig. 1-3, the outer wall of the contact base 1 is located at the upper side and the lower side of the arc striking plate 11 and is provided with a bearing frame 2, a plurality of groups of telescopic shafts 15 are fixedly connected to the shadow of the bearing frame 2, and are mutually connected with one side of the outer wall of the bearing frame 2, so that when the bearing frame 2 moves, the telescopic shafts 15 can automatically reset, the top end and the bottom end of the outer wall of the contact base 1 are provided with first sliding grooves 14, the first sliding grooves 14 are mutually matched with push plates 24, the two sides of the inner wall of the contact base 1, which are located at the first sliding grooves 14, are provided with second sliding grooves 16 for sliding blocks 23 to move, one side of the edge of the top end of the outer wall of the bearing frame 2 is fixedly connected with a guide rod 25, the bottom end of the contact base 1 is provided with a guide groove 17 which is mutually matched with the guide rod 25, so that the bearing frame 2 can be guided and supported, the push plates 24 are made of insulating materials, so that when the push plates 24 are used, workers can be influenced by current, the edges of the inner wall of the contact plates 2 are fixedly connected with two groups of baffle plates 21, and the outer walls of the baffle plates 21 are mutually contacted with the outer walls of the contact fingers 3.

The working principle of the utility model is as follows: because the service life of the contact seat 1 of the device determines the service life of the high-voltage switch, parts in the high-voltage switch are worn after long-time use, the high-voltage switch needs to be replaced at the moment, the push plate 24 can be pushed to the outer side of the contact seat 1 at first, the push plate 24 drives the sliding block 23, the connecting block 22 and the bearing frame 2 to move, when the push plate 24 drives the bearing frame 2 to move to a certain distance, the movement of the contact finger 3 at the bottom end of the bearing frame 2 can be stopped when the contact finger 3 can be taken out, the contact finger 3 can be removed from the inner side of the bearing frame 2 at the moment, the compression spring 4 and the top plate 41 do not limit the contact finger, so that the high-voltage switch is convenient to take, and after the taking is finished, the bearing frame 2 can be automatically reset under the action of the telescopic shaft 15, when the contact finger 3 is required to be installed, the contact finger 3 is directly inserted into the bottom end of the inner wall of the bearing frame 2, two sides of the outer wall of the contact finger 3 are also contacted with the outer wall of the top plate 41, the contact finger 3 is limited in a mode of compressing the compression spring 4, the contact finger 3 is prevented from moving, the guide rod 25 arranged at the top end of the contact finger 3 is mutually matched with the guide groove 17 in the resetting and drawing process of the bearing frame 2, the deviation of the bearing frame 2 is prevented, the purpose of stabilizing the bearing frame 2 is achieved, meanwhile, the arc striking plate 11 is arranged in the middle of the contact seat 1, residual current in the device can be prevented, the influence on workers is avoided, and the arranged arc striking plate 11 can guide out the residual current.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a horizontal telescopic isolator static contact, its characterized in that, including contact seat (1) and bearing frame (2) and touch and indicate (3), touch and indicate the inner wall bottom department that (3) swing joint set up in bearing frame (2), the equal fixedly connected with of inner wall both sides of bearing frame (2) is no less than two sets of compression spring (4), one side fixedly connected with roof (41) that compression spring (4) is close to bearing frame (2) middle part, the top fixedly connected with connecting block (22) of bearing frame (2), the top fixedly connected with slider (23) of connecting block (22), the top fixedly connected with push pedal (24) of slider (23), the outer wall of roof (41) and the outer wall both sides mutual contact of touch and indicate (3).

2. The static contact of the horizontal telescopic isolating switch according to claim 1, wherein one side of the outer wall of the contact base (1) far away from the bearing frame (2) takes the middle part as an axis, and both sides are fixedly connected with connecting conductors (12).

3. The horizontal telescopic isolating switch static contact according to claim 2, wherein an arc striking plate (11) is fixedly connected to the middle part of one side of the outer wall of the contact base (1) far away from the connecting conductor (12), and a fixing bolt (13) is fixedly connected to the connecting part of the arc striking plate (11) and the contact base (1).

4. A horizontal telescopic isolating switch static contact according to claim 3, characterized in that the outer wall of the contact base (1) is provided with bearing frames (2) on the upper and lower sides of the striking plate (11), and the contact base (1) is fixedly connected with a plurality of groups of telescopic shafts (15) at the shadow of the bearing frames (2) and is connected with one side of the outer wall of the bearing frames (2).

5. The static contact of the horizontal telescopic isolating switch according to claim 1, wherein the top end and the bottom end of the outer wall of the contact seat (1) are provided with first sliding grooves (14), the first sliding grooves (14) are matched with pushing plates (24), and the inner wall of the contact seat (1) is positioned at two sides of the first sliding grooves (14) and is provided with second sliding grooves (16) for sliding blocks (23) to move.

6. The static contact of the horizontal telescopic isolating switch according to claim 1, wherein a guide rod (25) is fixedly connected to one side of the edge of the top end of the outer wall of the bearing frame (2), and a guide groove (17) matched with the guide rod (25) is formed in the bottom end of the contact seat (1).

7. A horizontal telescopic isolating switch static contact according to claim 1, wherein the push plate (24) is made of an insulating material.

8. The static contact of the horizontal telescopic isolating switch according to claim 1, wherein two groups of baffles (21) are fixedly connected to the edge of the inner wall of the bearing frame (2), and the outer wall of the baffles (21) is in contact with the outer wall of the contact finger (3).