CN217984253U

CN217984253U - Drawer seat of circuit breaker

Info

Publication number: CN217984253U
Application number: CN202222281640.7U
Authority: CN
Inventors: 钱锦丰; 夏邵仇; 祝铭华
Original assignee: Changshu Switchgear Manufacturing Co Ltd
Current assignee: Changshu Switchgear Manufacturing Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-06
Anticipated expiration: 2032-08-29

Abstract

A drawer seat of a circuit breaker belongs to the technical field of low-voltage apparatuses. Including a pair of curb plate, install between a pair of curb plate and establish the bottom plate of bottom, install between a pair of curb plate and establish the crossbeam at the top and install bottom plate and crossbeam on the base, the base is a plurality of and sets up the rear side at the drawer seat side by side, and characteristics are: the lower part of the spaced plate assemblies are arranged on the bottom plate, the upper part of the spaced plate assemblies are arranged on the cross beam, and each spaced plate assembly is positioned between the adjacent bases. The advantages are that: the installation of the phase partition plate does not need the matching of adjacent bases, the drawer base can adapt to various specifications, the universality is high, the installation of the phase partition plate is reliable, the installation mode is simple, the efficiency is high, and the cost is low.

Description

Drawer seat of circuit breaker

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to drawer seat of circuit breaker.

Background

A drawer-type universal circuit breaker is a kind of power distribution equipment, which plays a role in protecting electrical equipment in a power grid. The drawer type universal circuit breaker has maintainability and detectability, so that a large number of circuit breakers in the form are arranged in a switch cabinet. The base in the drawer seat is an important part for installing a bus, a contact bridge, a safety door and a partition plate, and is a bridge for connecting the body and the outlet row.

In the existing market, the drawer seat of big shell frame grade generally uses the polylith base to install on the drawer seat side by side, and the looks division board is installed on two adjacent bases, the mounting means of foretell looks division board need establish characteristics such as recess in the adjacent both sides limit of two bases, spacing the installation that realizes the looks division board through the spacing of the relevant characteristic of two bases, this has provided the requirement to the whole assembly precision of base, the installation reliability of looks division board has been reduced, and assembly operation is loaded down with trivial details relatively, influence production efficiency.

In view of the above-mentioned prior art, there is a need for a reasonable improvement of the installation structure of the drawer base of the existing circuit breaker. The applicant has made an advantageous design for this purpose, in the context of which the solution to be described below is made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drawer seat of circuit breaker, it is provided with the support that is used for installing the looks space bar on crossbeam and bottom plate, and shelf location looks space bar can adapt to the drawer seat of multiple specification, and the commonality is high for the installation of looks space bar is reliable, assembles simply and efficiently.

The task of the utility model is accomplished like this, a drawer seat of circuit breaker, include a pair of curb plate, install between a pair of curb plate and establish the bottom plate of bottom, install between a pair of curb plate and establish the crossbeam at the top and install bottom plate and crossbeam on the base, the base is a plurality of and sets up the rear side at the drawer seat side by side, still including a plurality of looks interval board subassemblies, the lower part of looks interval board subassembly is installed bottom plate, upper portion install the crossbeam on, each looks interval is located between the adjacent base.

In a specific embodiment of the present invention, the partition plate assembly comprises a partition plate, the lower part of the partition plate is installed on the bottom plate, and the upper part of the partition plate is installed on the beam.

In another specific embodiment of the present invention, the partition plate assembly comprises a bracket and a partition plate, the lower portion of the bracket is mounted on the bottom plate, the upper portion of the bracket is mounted on the beam, and the partition plate is mounted on the bracket.

In another specific embodiment of the present invention, the bottom plate has an installation flange at the rear side of the drawer seat, the cross beam has an installation surface at the rear side of the drawer seat, and the lower portion of the bracket is installed on the installation flange and the upper portion of the bracket is installed on the installation surface.

In another specific embodiment of the present invention, the mounting surface has a fixing hole, and the mounting flange has a locking notch; be equipped with joint end and through-hole on the both ends of support respectively, a screw passes the through-hole and twists the fixed orifices in, joint end card go into the joint breach, thereby accomplish the support is fixed with the installation of bottom plate, crossbeam.

In still another embodiment of the present invention, the joint end is a T-shaped boss, and the joint gap is a rectangular opening.

In yet another specific embodiment of the present invention, the partition board includes a board surface, the board surface is used for partitioning the outgoing bus bars on the bases of adjacent phases, one side of the partition board, which is matched with the bracket, has an inserting edge, the upper part of the inserting edge is provided with a protruding limiting head, and the lower part of the inserting edge is provided with a protruding limiting hook; the bracket is provided with an open slot along the length direction from top to bottom, the inserting edge is inserted into the open slot, the limiting head is clamped into a bayonet on the bracket, and the limiting hook hooks the lower end of the bracket from the bottom, so that the installation and fixation of the phase separation plate and the bracket are completed.

In a more specific embodiment of the present invention, the stopper is a square-head-shaped T-shaped protrusion, and the bayonet is a square-head-shaped T-shaped cavity.

In a more specific embodiment of the present invention, the limit hook is a straight hook shape protruding from the base.

The utility model installs the bracket in the phase partition plate component on the beam and the bottom plate, and then installs the phase partition plate on the bracket; or save the support among the looks interval board subassembly and directly install the looks interval board on crossbeam and bottom plate for the cooperation of adjacent base is not needed in the installation of looks interval board, can adapt to the drawer seat of multiple specification, and the commonality is high, has guaranteed the installation reliability of looks interval board simultaneously, and the mounting means is simple, efficient, and is with low costs.

Drawings

Fig. 1 is a schematic diagram of the rear side of the middle circuit breaker of the present invention.

Fig. 2 is a schematic view of a part of the rear side of the middle circuit breaker.

Fig. 3 is a partial schematic view of the front side of the middle circuit breaker of the present invention.

Fig. 4 is a schematic view of the bracket of the present invention.

Fig. 5 is a schematic view of the phase partition plate of the present invention.

In the figure: 1. a side plate; 2. the bottom plate 21 is provided with a flange 211, a first mounting hole 212, a first positioning hole 213 and a clamping notch; 3. the beam, 31, a mounting surface, 311, a second mounting hole, 312, a second positioning hole, 313 and a fixing hole; 4. the support, 41, the clamping end, 42, the bayonet, 43, the through hole and 44 are open grooves; 5. the structure comprises a phase partition plate, a plate surface 51, a plate surface 52, an inserting edge 53, a limiting head 54 and a limiting hook; 100. a base.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, any concept relating to the directions or orientations of up, down, left, right, front, and rear is based on the position shown in the corresponding drawings, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 1, 2 and 3, the present invention relates to a drawer type universal circuit breaker, which includes a breaker body and a drawer seat, wherein the breaker body can move in or out relative to the drawer seat. Female arranging in the cabinet is connected to the drawer seat electricity, when the circuit breaker body moved into the drawer seat and was in hookup location, the circuit breaker body through the drawer seat with the cabinet in female row electricity be connected switch on, the circuit breaker body has accessed the distribution network promptly.

The drawer seat comprises a pair of side plates 1, the side plates 1 are respectively located on two sides of the drawer seat, the drawer seat is further provided with a bottom plate 2 and a cross beam 3, the bottom plate 2 and the cross beam 3 are installed between the side plates 1 and located at the top of the drawer seat, and the bottom plate 2 is installed between the side plates 1 and located at the bottom of the drawer seat.

The side plates 1 and the bottom plate 2 are both formed by processing metal plates, such as metal plates, holes and laser cutting.

The cross beam 3 is preferably made of metal. The side plates 1, the bottom plate 2 and the cross beam 3 form a frame of the drawer seat. Other parts inside the drawer seat are arranged on the side plate 1 and the bottom plate 2.

A base 100 is installed at the rear of the drawer base, and the base 100 is a split base. For example, a three-phase circuit breaker has three bases 100 arranged side by side. The four-phase circuit breaker has four bases 100 arranged side by side.

The bottom plate 2 is provided with an installation flange 21 at the rear side of the drawer seat, the cross beam 3 is provided with an installation surface 31 at the rear side of the drawer seat, and the upper end and the lower end of the base 100 are respectively installed on the installation flange 21 and the installation surface 31. Specifically, the mounting flange 21 is provided with a first mounting hole 211 and a first positioning hole 212; the mounting surface 31 has a second mounting hole 311 and a second positioning hole 312. The lower end of the base 100 is fixed to the mounting flange 21 through a first mounting hole 211, and is positioned to the mounting flange 21 through a first positioning hole 212. The upper end of the base 100 is fixed to the mounting surface 31 through a second mounting hole 311, and is positioned to the mounting surface 31 through a second positioning hole 312.

The drawer type universal circuit breaker further comprises a bracket 4 and a phase partition plate 5. The bracket 4 is arranged on the bottom plate 2 and the cross beam 3, and the phase separation plate 5 is arranged on the bracket 4. The function of the bracket 4 is to achieve the described mounting of the phase separation plates 5. The phase partition plate 5 is used for preventing short circuit connection between different phase bus bars. Specifically, the bracket 4 is mounted on the mounting flange 21 and the mounting surface 31. More specifically, the upper portion of the bracket 4 is mounted on the mounting surface 31, and the lower portion of the bracket 4 is mounted on the mounting flange 21.

The holder 4 is typically made of an insulating material. The bracket 4 is installed on the bottom plate 2 and the cross beam 3, namely the upper end of the bracket 4 is installed on the cross beam 3, and the lower end is installed on the bottom plate 2.

When the installation of support 4 targets in place the back, support 4 be located adjacently between base 100, and phase spacer 5 install support 4 on the back, phase spacer 5 be located between adjacent base 100, be equipped with the female arranging of being qualified for the next round of competitions backward on the base 100, and then, phase spacer 5 be located between the female arranging of being qualified for the next round of competitions.

Referring to fig. 4, the bracket 4 is strip-shaped, and a clamping end 41 and a clamping opening 42 are disposed on one side of the bracket 4 close to the bottom plate 2 and the cross beam 3. Specifically, the fastening end 41 is located at the lower end of the bracket 4, and the fastening opening 42 is located at the upper end of the bracket 4. A through hole 43 is further formed in the upper portion of the bracket 4, and more preferably, the clamping end 41 is a T-shaped boss, and the bayonet 42 is a rectangular opening.

With reference to fig. 4 and fig. 2, the mounting surface 31 of the cross beam 3 has a fixing hole 313, and the mounting flange 21 of the bottom plate 2 has a locking notch 213. The clamping notch 213 is a rectangular notch. The clamping end 41 of the bracket 4 is clamped into the clamping notch 213, so that the lower end of the bracket 4 is limited. A screw is screwed into the fixing hole 313 through the through hole 43, thereby tightening the upper portion of the bracket 4 to the cross member 3. The bracket 4 is provided with an open slot 44 along the length direction from top to bottom, and the open slot 44 is used for being matched with the phase separation plate 5, namely one side of the phase separation plate 5 is embedded into the open slot 44.

Fig. 5 is a schematic view of the phase partition plate 5. The phase partition plate 5 comprises a plate surface 51, wherein the plate surface 51 is preferably rectangular and is used for partitioning the outgoing bus bars of adjacent phases. The side of the partition board 5, which is matched with the bracket 4, is provided with an inserting edge 52, the upper part of the inserting edge 52 is provided with a protruding limit head 53, and the lower part of the inserting edge 52 is provided with a protruding limit hook 54. The spacing plate 5 prevents the inserting edge 52 from falling off from the opening groove 44 through a limiting head 53 and a limiting hook 54.

Specifically, the limiting head 53 is snapped into the bayonet 42, and the limiting hook 54 hooks the lower end of the bracket 4 from the bottom, thereby completing the installation and fixation of the phase separation plate 5 on the bracket 4. The limiting head 53 is a square-head-shaped T-shaped protrusion, and the bayonet 42 is a square-head-shaped T-shaped concave cavity. The limit hook 54 is in the shape of a straight hook extending out.

In this embodiment, the bracket 4 is mounted on the bottom plate 2 and the cross beam 3, and the phase partition plate 5 is mounted on the bracket 4, so that the above-mentioned phase partition plate 5 is mounted without the cooperation of the base 100, and is adaptable to drawer seats of various specifications, high in universality, reliable in mounting, simple in mounting mode and high in efficiency. Likewise, it is not necessary for the base 100 to have the features and structures required by the phase separation plate 5, which simplifies the process of the base 100 and reduces the production cost.

Of course, it is also a technical teaching derived from the invention if said partition 5 is directly mounted on said base plate 2 and cross beam 3. The spaced-apart plate 5 and the carrier 4 can therefore be understood as a spaced-apart plate assembly. The phase spacer assembly comprises a carrier 4 and a phase spacer 5. Alternatively, the spacer assembly may comprise only the spacers 5, in which case the lower part of the spacer assembly is mounted on the base plate 2 and the upper part is mounted on the cross member 3.

Claims

1. The utility model provides a drawer seat of circuit breaker, includes a pair of curb plate (1), installs between a pair of curb plate (1) and establish bottom plate (2) in the bottom, install between a pair of curb plate (1) and establish crossbeam (3) at the top and install bottom plate (2) and crossbeam (3) on base (100), base (100) are a plurality of and set up side by side at the rear side of drawer seat, its characterized in that: also comprises a plurality of spaced plate components, the lower parts of the spaced plate components are arranged on the bottom plate (2), the upper parts of the spaced plate components are arranged on the cross beam (3), each spaced plate assembly is located between adjacent pedestals (100).

2. The drawer base of a circuit breaker according to claim 1, wherein: the phase partition plate assembly comprises a phase partition plate (5), the lower part of the phase partition plate (5) is arranged on the bottom plate (2), and the upper part of the phase partition plate is arranged on the cross beam (3).

3. The drawer base of a circuit breaker according to claim 1, wherein: the phase partition plate assembly comprises a support (4) and a phase partition plate (5), the lower portion of the support (4) is installed on the bottom plate (2) and the upper portion of the support is installed on the cross beam (3), and the phase partition plate (5) is installed on the support (4).

4. The drawer base of a circuit breaker according to claim 3, wherein: the bottom plate (2) is provided with an installation flange (21) on the rear side of the drawer seat, the cross beam (3) is provided with an installation surface (31) on the rear side of the drawer seat, and the lower part of the bracket (4) is installed on the installation flange (21) and the upper part of the bracket is installed on the installation surface (31).

5. The drawer base of a circuit breaker according to claim 4, wherein: the mounting surface (31) is provided with a fixing hole (313), and the mounting flange (21) is provided with a clamping notch (213); the two ends of the support (4) are respectively provided with a clamping end (41) and a through hole (43), a screw penetrates through the through hole (43) and is screwed into the fixing hole (313), and the clamping end (41) is clamped into the clamping notch (213), so that the support (4) is fixedly installed with the bottom plate (2) and the cross beam (3).

6. The drawer base of a circuit breaker according to claim 5, wherein: the clamping end (41) is a T-shaped boss, and the clamping gap (213) is a rectangular opening.

7. The drawer base of a circuit breaker according to claim 3, wherein: the phase partition plate (5) comprises a plate surface (51), the plate surface (51) is used for separating outgoing busbar on adjacent bases (100), one side of the phase partition plate (5) matched with the support (4) is provided with an inserting edge (52), the upper part of the inserting edge (52) is provided with a protruding limiting head (53), and the lower part of the inserting edge (52) is provided with a protruding limiting hook (54); support (4) top-down along length direction have an open slot (44), insert limit (52) insert open slot (44) in, spacing head (53) block in bayonet socket (42) on support (4), spacing hook (54) catch on from the bottom the lower extreme of support (4), thereby accomplish the installation of phase spacer (5) and support (4) is fixed.

8. The drawer base of a circuit breaker according to claim 7, wherein: the limiting head (53) is a square-head-shaped T-shaped protrusion, and the bayonet (42) is a square-head-shaped T-shaped concave cavity.

9. The drawer base of a circuit breaker according to claim 7, wherein: the limiting hook (54) is in the shape of a straight hook extending out.