CN216528680U

CN216528680U - Bus mounting structure of circuit breaker

Info

Publication number: CN216528680U
Application number: CN202122689304.1U
Authority: CN
Inventors: 胡艳; 郑胜利; 郭玉玉
Original assignee: Shaanxi Qizhe Electric Power Engineering Co ltd
Current assignee: Shaanxi Qizhe Electric Power Engineering Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-13
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a bus mounting structure of a circuit breaker, which comprises a cabinet body, wherein a fixed plate is fixedly connected in the cabinet body, a circuit breaker is fixedly connected on the fixed plate, a supporting plate is arranged above the circuit breaker, an electric appliance is arranged above the supporting plate, the supporting plate and the electric appliance are fixedly connected on the fixed plate, an extrusion plate is connected on the fixed plate through a stretching mechanism, a bus is connected between the circuit breaker and the electric appliance and is positioned between the extrusion plate and the supporting plate, a clamping mechanism is arranged between the supporting plate and the electric appliance and corresponds to the bus, and the clamping mechanism enables a plurality of buses to be relatively independent without mutual interference and is convenient for later maintenance.

Description

Bus mounting structure of circuit breaker

Technical Field

The utility model relates to a bus installation structure of a circuit breaker, and belongs to the technical field of circuit breakers.

Background

The circuit breaker refers to a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-low voltage boundary line is divided more vaguely, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, there is generally no need to change the components after breaking the fault current. At present, it has been widely used. The bus is connected between the circuit breaker and the electrical appliance.

The utility model discloses a power distribution cabinet, including the switch board, the switch board is connected with the switch board.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a bus bar mounting structure of a circuit breaker to solve the problems set forth in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the bus mounting structure of the circuit breaker comprises a cabinet body, the internal fixedly connected with fixed plate of cabinet, fixedly connected with circuit breaker on the fixed plate, the circuit breaker top is equipped with the backup pad, the backup pad top is equipped with electrical apparatus, the backup pad with electrical apparatus equal fixed connection on the fixed plate, be connected with the stripper plate through tension mechanism on the fixed plate, be connected with the generating line between circuit breaker and the electrical apparatus, the generating line is located between stripper plate and the backup pad, be equipped with fixture between backup pad and the electrical apparatus, fixture is corresponding with the generating line.

Preferably, the stretching mechanism includes fixed block, side piece, montant, side groove and second spring, fixed block fixed connection is in the stripper plate bottom, one side fixedly connected with side piece that the fixed block is close to the backup pad, the backup pad outside is equipped with the side groove, the side inslot vertical fixation has a plurality of montants, the side piece cup joints with a plurality of montant activities, a plurality of second springs of fixedly connected with between side piece and the side groove diapire, it is a plurality of the second spring is established respectively and is established peripherally a plurality of montants.

Preferably, fixture includes recess, horizontal pole, grip block and first spring, the recess is seted up on the fixed plate, a plurality of horizontal poles of fixedly connected with in the recess, two the grip block bottom all cup joints with a plurality of horizontal pole activities, two the grip block is located the generating line both sides respectively, two equal fixedly connected with a plurality of first springs between grip block and the recess inner wall, it is a plurality of first spring overlaps respectively to establish at a plurality of horizontal pole periphery.

Preferably, the upper end of the supporting plate is provided with a second arc groove, the bottom end of the extrusion plate is provided with a first arc groove, the first arc groove corresponds to the second arc groove, the bus is located between the first arc groove and the second arc groove, and the bus is matched with the first arc groove and the second arc groove.

Preferably, the inner walls of the first arc groove and the second arc groove are fixedly connected with protection pads, and the protection pads are in close contact with the outer side of the bus.

Preferably, the opposite sides of the upper ends of the two clamping blocks are fixedly connected with a plurality of tooth blocks, and the tooth blocks are in close contact with the outer side of the bus.

Compared with the prior art, the utility model has the beneficial effects that: upwards stimulate the stripper plate, the stripper plate is stretched to the second spring through the side piece when shifting up, place a plurality of generating lines respectively at a plurality of second arc inslots again, loosen the stripper plate, the stripper plate extrudees a plurality of generating lines through the effort of second spring, a plurality of first arc grooves and a plurality of second arc grooves can carry out the centre gripping to a plurality of generating lines, make a plurality of generating lines relatively independent, can not mutual interference, be convenient for the later stage to maintain, simultaneously at the generating line with use electrical apparatus junction, two grip blocks extrude the generating line and the centre gripping through the effort of first spring, thereby guarantee the generating line and the stability of being connected with electrical apparatus.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A of the present invention;

FIG. 3 is a schematic view of a clamping mechanism according to the present invention;

FIG. 4 is a schematic view of the connection of the extrusion plate and the support plate of the present invention;

FIG. 5 is a schematic view of a clamping block structure according to the present invention.

In the figure: 1. a cabinet body; 2. a circuit breaker; 3. a fixing plate; 4. a bus bar; 5. an electrical appliance; 6. a support plate; 7. a pressing plate; 8. a clamping mechanism; 81. a first spring; 82. a groove; 83. a cross bar; 84. a clamping block; 9. a stretching mechanism; 91. a fixed block; 92. a side block; 93. a vertical rod; 94. a side groove; 95. a second spring; 10. a tooth block; 11. a first arc groove; 12. a second arc groove; 13. a protective pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bus installation structure of a circuit breaker comprises a cabinet body 1, a fixed plate 3 is fixedly connected in the cabinet body 1, a circuit breaker 2 is fixedly connected on the fixed plate 3, a supporting plate 6 is arranged above the circuit breaker 2, an electrical appliance 5 is arranged above the supporting plate 6, the supporting plate 6 and the electrical appliance 5 are both fixedly connected on the fixed plate 3, an extrusion plate 7 is connected on the fixed plate 3 through a stretching mechanism 9, a bus 4 is connected between the circuit breaker 2 and the electrical appliance 5, the bus 4 is positioned between the extrusion plate 7 and the supporting plate 6, a clamping mechanism 8 is arranged between the supporting plate 6 and the electrical appliance 5, the clamping mechanism 8 corresponds to the bus 4, so that a plurality of buses 4 are relatively independent and do not interfere with each other, and later maintenance is facilitated, meanwhile, at the joint of the bus 4 and the electrical appliance 5, the two clamping blocks 84 extrude and clamp the bus 4 through the acting force of the first spring 81, so that the stability of the connection of the bus 4 and the electrical appliance 5 is ensured.

The stretching mechanism 9 comprises a fixed block 91, a side block 92, a vertical rod 93, a side groove 94 and a second spring 95, the fixed block 91 is fixedly connected to the bottom end of the extrusion plate 7, one side of the fixed block 91 close to the support plate 6 is fixedly connected with the side block 92, the side groove 94 is arranged on the outer side of the support plate 6, the side groove 94 is vertically and fixedly provided with the plurality of vertical rods 93, the side block 92 is movably sleeved with the plurality of vertical rods 93, the plurality of second springs 95 are fixedly connected between the bottom walls of the side block 92 and the side groove 94, the plurality of second springs 95 are respectively sleeved on the periphery of the plurality of vertical rods 93, the extrusion plate 7 is pulled upwards, when the extrusion plate 7 moves upwards, the second springs 95 are stretched through the side block 92, then the plurality of bus bars 4 are respectively placed in the plurality of second arc grooves 12, the extrusion plate 7 is loosened, the extrusion plate 7 extrudes the plurality of bus bars 4 through the acting force of the second springs 95, the clamping mechanism 8 comprises a groove 82, a cross bar 83, a clamping block 84 and a first spring 81, the groove 82 is arranged on the fixed plate 3, a plurality of cross rods 83 are fixedly connected in the groove 82, the bottom ends of two clamping blocks 84 are movably sleeved with the cross rods 83, the two clamping blocks 84 are respectively positioned at two sides of the bus 4, a plurality of first springs 81 are fixedly connected between the two clamping blocks 84 and the inner wall of the groove 82, the plurality of first springs 81 are respectively sleeved on the periphery of the cross rods 83, the two clamping blocks 84 extrude and clamp the bus 4 at the joint of the bus 4 and the electrical appliance 5 through the acting force of the first springs 81 so as to ensure the stability of the connection of the bus 4 and the electrical appliance 5, the upper end of the supporting plate 6 is provided with a second arc groove 12, the bottom end of the extrusion plate 7 is provided with a first arc groove 11, the first arc groove 11 corresponds to the second arc groove 12, the bus 4 is positioned between the first arc groove 11 and the second arc groove 12, the bus 4 is matched with the first arc groove 11 and the second arc groove 12, so that the plurality of buses 4 are relatively independent, can not mutual interference, the later stage of being convenient for is maintained, and equal fixedly connected with protection pad 13 on first arc groove 11 and the 12 inner walls of second arc groove, two protection pads 13 and the 4 outside in close contact with of generating line prevent that generating line 4 is impaired, and a plurality of tooth pieces 10 of the equal fixedly connected with of two grip blocks 84 upper end opposite sides, a plurality of tooth pieces 10 all with the 4 outside in close contact with of generating line, guarantee the clamping effect to generating line 4.

Specifically, when the bus bar device is used, the extrusion plate 7 is pulled upwards, the second spring 95 is stretched through the side block 92 when the extrusion plate 7 moves upwards, the plurality of bus bars 4 are respectively placed in the plurality of second arc grooves 12, the extrusion plate 7 is loosened, the extrusion plate 7 extrudes the plurality of bus bars 4 through the acting force of the second spring 95, the plurality of bus bars 4 can be clamped through the plurality of first arc grooves 11 and the plurality of second arc grooves 12, the plurality of bus bars 4 are relatively independent and cannot interfere with each other, later maintenance is facilitated, and meanwhile, at the joint of the bus bars 4 and the electrical appliance 5, the two clamping blocks 84 extrude and clamp the bus bars 4 through the acting force of the first spring 81, so that the stability of connection of the bus bars 4 and the electrical appliance 5 is ensured.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bus mounting structure of a circuit breaker comprises a cabinet body (1) and is characterized in that a fixing plate (3) is fixedly connected in the cabinet body (1), the fixed plate (3) is fixedly connected with a breaker (2), a supporting plate (6) is arranged above the breaker (2), an electric appliance (5) is arranged above the supporting plate (6), the supporting plate (6) and the electric appliance (5) are both fixedly connected on the fixing plate (3), the fixed plate (3) is connected with an extrusion plate (7) through a stretching mechanism (9), a bus (4) is connected between the circuit breaker (2) and the electrical appliance (5), the bus bar (4) is positioned between the extrusion plate (7) and the support plate (6), and a clamping mechanism (8) is arranged between the supporting plate (6) and the electric appliance (5), and the clamping mechanism (8) corresponds to the bus (4).

2. The bus bar mounting structure of circuit breaker according to claim 1, characterized in that: stretching mechanism (9) are including fixed block (91), side piece (92), montant (93), side groove (94) and second spring (95), fixed block (91) fixed connection is in stripper plate (7) bottom, one side fixedly connected with side piece (92) that fixed block (91) are close to backup pad (6), backup pad (6) outside is equipped with side groove (94), side groove (94) internal vertical fixation has a plurality of montants (93), side piece (92) cup joint with a plurality of montants (93) activity, a plurality of second springs (95) of fixedly connected with between side piece (92) and side groove (94) diapire, and is a plurality of second spring (95) are established respectively in a plurality of montant (93) periphery in second spring (95).

3. The bus bar mounting structure of circuit breaker according to claim 1, characterized in that: fixture (8) are including recess (82), horizontal pole (83), grip block (84) and first spring (81), recess (82) are seted up on fixed plate (3), a plurality of horizontal poles (83) of fixedly connected with in recess (82), two grip block (84) bottom all cup joints, two with a plurality of horizontal pole (83) activities grip block (84) are located generating line (4) both sides respectively, two equal fixedly connected with a plurality of first spring (81), a plurality of between grip block (84) and recess (82) inner wall first spring (81) are established respectively and are established a plurality of horizontal pole (83) peripherally.

4. The bus bar mounting structure of circuit breaker according to claim 1, characterized in that: the utility model discloses a bus bar extrusion device, including backup pad (6), backup pad (6) upper end is equipped with second arc groove (12), stripper plate (7) bottom is equipped with first arc groove (11), first arc groove (11) are corresponding with second arc groove (12), bus (4) are located between first arc groove (11) and second arc groove (12), bus (4) and first arc groove (11) and second arc groove (12) looks adaptation.

5. The bus bar mounting structure of circuit breaker according to claim 4, characterized in that: the protection pad is fixedly connected to the inner walls of the first arc groove (11) and the second arc groove (12) and is in close contact with the outer side of the bus (4) through the protection pad (13).

6. The bus bar mounting structure of circuit breaker according to claim 3, characterized in that: the opposite sides of the upper ends of the two clamping blocks (84) are fixedly connected with a plurality of tooth blocks (10), and the tooth blocks (10) are in close contact with the outer side of the bus bar (4).