Busbar assembly of frame type circuit breaker

Abstract

The utility model discloses a busbar assembly of a frame-type circuit breaker, which comprises a shell, the shell comprises a bottom frame on the inner side, the bottom frame is connected with a busbar body through a bolt, the busbar body is connected with a bridge-type contact in an inserted mode, the bridge-type contact is installed on an installation frame, and a driving piece for driving the installation frame to move is arranged below the installation frame. The utility model has the advantage of uniformly pushing the drawer seat to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to the busbar assembly field, concretely is a busbar assembly of frame type circuit breaker. BACKGROUND

[0002] The circuit breaker is a kind of can be used to distribute electric energy, infrequently start asynchronous motor, carry out protection to power line and motor etc., has obtained the widespread application currently, in the generation, transmission, use of electricity, distribution is an extremely important link.Distribution system includes transformer and various high-low voltage electrical equipment, and low-voltage circuit breaker is a kind of electrical appliance with large quantity and wide range of use.

[0003] The circuit breaker is an important electrical component in low-voltage distribution system, it not only can take load and infrequently connect and cut off circuit, but also can automatically trip when short circuit, overload and low voltage (or loss voltage) occur in circuit, therefore, it is widely used in industry, but the existing most equipment includes drawer seat equipped with bridge contact and busbar matched with bridge contact, which needs manual pushing of drawer seat in use, cannot control the amplitude of drawer seat movement, is time-consuming and laborious, and needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of busbar assembly of frame type circuit breaker to solve the problems raised in the above background technology, which has the advantage of uniformly pushing drawer seat to move.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of busbar assembly of frame type circuit breaker, including shell, the shell includes the chassis of inside, the chassis is connected with busbar body by bolt, the busbar body is inserted with bridge contact, the bridge contact is installed on mounting bracket, the lower portion of mounting bracket is provided with driving element for driving mounting bracket to move.

[0006] By adopting the above technical scheme, the driving element drives the mounting bracket to move, and the movement of the mounting bracket will drive the bridge contact to move until the bridge contact is connected with the busbar body.

[0007] As a further scheme of the utility model: the driving element includes the fixed ring that the middle part of the bottom of shell is fixedly connected, the fixed ring is provided with screw rod that rotates around its own axis, one end of the screw rod is provided with handle, the screw rod is threadedly connected with sliding plate that is attached to the bottom of shell, the sliding plate is provided with crossbar, the both ends of crossbar are fixedly connected with sliding plate.

[0008] By adopting the above technical scheme, the sliding plate is attached to the bottom of shell and thus cannot rotate, rotating handle drives the screw rod to rotate and in turn drives the sliding plate threadedly connected with the screw rod to move along the length direction of screw rod, the movement of sliding plate drives the movement of crossbar and in turn drives the movement of sliding plate.

[0009] Preferably, the two sides of the shell are integrally connected with mounting blocks, and the mounting blocks are provided with screws for mounting the shell.

[0010] As a further scheme of the utility model: the bridge contact includes a contact piece and a stabilizing plate on both sides of the contact piece.

[0011] By adopting the above technical scheme, the stabilizing plate is arranged to facilitate the installation of the bridge contact.

[0012] As a further scheme of the utility model: two L-shaped plates are mounted on both sides of the busbar body, and a mounting bolt is arranged between the two L-shaped plates.

[0013] By adopting the above technical scheme, the mounting bolt is used to mount the two L-shaped plates on both sides of the busbar body.

[0014] As a further scheme of the utility model: a plurality of ladder-shaped blocks are arranged above the shell, a plurality of rollers are arranged in the ladder-shaped blocks, and a reinforcing block is arranged between adjacent two ladder-shaped blocks.

[0015] By adopting the above technical scheme, the reinforcing block is arranged to increase the strength of the shell.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The driving member drives the mounting frame to move, and the movement of the mounting frame drives the bridge contact to move until the bridge contact is connected with the busbar body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view of the embodiment;

[0019] Figure 2 It is a structural schematic view of the chassis in the embodiment;

[0020] Figure 3 It is a structural schematic view of the driving member in the embodiment;

[0021] Figure 4 It is a structural schematic view of the busbar and the bridge contact in the embodiment;

[0022] Figure 5 It is Figure 4 It is a structural schematic view from another perspective;

[0023] Figure 6 It is a structural schematic view of the chassis in the embodiment.

[0024] In the diagram: 1. Housing; 2. Base frame; 3. Busbar body; 4. Bridge-type contact; 5. Fixing ring; 6. Screw; 7. Handle; 8. Sliding plate; 9. Crossbar; 10. Slide plate; 11. Mounting block; 12. Screw; 13. Stabilizing plate; 14. L-shaped plate; 15. Mounting bolt; 16. Ladder-shaped block; 17. Roller; 18. Reinforcing block; 19. Contact piece. Detailed Implementation

[0025] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0026] In this embodiment of the utility model,

[0027] A busbar assembly for a frame-type circuit breaker, such as Figures 1-6 As shown, the device includes a housing 1, which includes an inner base frame 2. The base frame 2 is bolted to a busbar body 3. A bridge-type contact 4 is inserted into the busbar body 3. The bridge-type contact 4 is mounted on a mounting bracket (not shown). A drive component for moving the mounting bracket (not shown) is provided below the mounting bracket (not shown).

[0028] The driving component includes a fixed ring 5 fixedly connected to the middle of the bottom of the housing 1. The fixed ring 5 is threaded with a screw 6 that rotates around its own axis. One end of the screw 6 is provided with a handle 7. The screw 6 is threadedly connected to a sliding plate 8 that fits against the bottom of the housing 1. A crossbar 9 is threaded through the sliding plate 8. Slide plates 10 are fixedly connected to both ends of the crossbar 9.

[0029] Mounting blocks 11 are integrally connected to both sides of the housing 1, and screws 12 are provided on the mounting blocks 11 to facilitate the installation of the housing 1.

[0030] The bridge-type contact 4 includes a contact piece 19 and stabilizing plates 13 located on both sides of the contact piece 19.

[0031] Two L-shaped plates 14 are installed on both sides of the busbar body 3, and mounting bolts 15 are inserted between the two L-shaped plates 14.

[0032] Multiple trapezoidal blocks 16 are arranged above the housing 1, and multiple rollers 17 are passed through the trapezoidal blocks 16. A reinforcing block 18 is installed between two adjacent trapezoidal blocks 16.

[0033] Working principle:

[0034] The driving member drives the mounting rack (not shown) to move, and the movement of the mounting rack (not shown) drives the bridge contact 4 to move until the bridge contact 4 is connected with the busbar body 3.

[0035] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A busbar assembly of a frame-type circuit breaker comprising a housing (1), characterized in that: The shell (1) comprises an inner chassis (2), the chassis (2) is bolted with a busbar body (3), the busbar body (3) is inserted with a bridge contact (4), the bridge contact (4) is installed on a mounting rack, and the lower portion of the mounting rack is provided with a driving element for driving the movement of the mounting rack.

2. A frame circuit breaker busbar assembly as recited in claim 1 wherein: The driving element comprises a fixed ring (5) fixedly connected to the middle portion of the bottom of the shell (1), the fixed ring (5) is provided with a screw rod (6) rotating around its own axis, one end of the screw rod (6) is provided with a handle (7), the screw rod (6) is threadedly connected with a sliding plate (8) abutting the bottom of the shell (1), the sliding plate (8) is provided with a cross rod (9), and both ends of the cross rod (9) are fixedly connected with sliding plates (10).

3. The frame circuit breaker busbar assembly of claim 1, wherein: Both sides of the shell (1) are integrally connected with mounting blocks (11), and the mounting blocks (11) are provided with screws (12) for facilitating the installation of the shell (1).

4. The frame circuit breaker busbar assembly of claim 1, wherein: The bridge contact (4) comprises a contact piece (19) and a stabilizing plate (13) on both sides of the contact piece (19).

5. The frame circuit breaker busbar assembly of claim 4, wherein: Both sides of the busbar body (3) are provided with two L-shaped plates (14), and the two L-shaped plates (14) are provided with mounting bolts (15) therebetween.

6. The frame circuit breaker busbar assembly of claim 1, wherein: The upper portion of the shell (1) is provided with a plurality of ladder-shaped blocks (16), the ladder-shaped blocks (16) are provided with a plurality of rollers (17), and adjacent two ladder-shaped blocks (16) are provided with reinforcing blocks (18).

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