Circuit breaker rapid butt joint structure and switch cabinet

Abstract

The utility model discloses a breaker rapid butt joint structure and a switch cabinet, the breaker rapid butt joint structure comprises a vacuum breaker and a contact box, the vacuum breaker is arranged in a housing, the top end of the housing is provided with an insertion end, and the side of the insertion end is provided with a butt joint end; the top of the vacuum circuit breaker is provided with a gland, the outer side of the gland is provided with an extension plate, and the gland is connected with the vacuum circuit breaker through bolts; a connecting seat is arranged in the butt joint end, and the connecting seat is connected with the butt joint end through a bolt; a fixed end is arranged at one end of the connecting seat, is inserted below the extension plate and is fixed through a bolt; the connecting seat is connected with the contact arm, and the contact arm main body is arranged in the butt joint end; the bottom of the contact box is provided with an insertion port, the top side is provided with a copper bar access port, the inner side of the top of the contact box is provided with a static contact, the insertion port of the contact box is provided with a guide frame, and the middle of the guide frame is provided with a circular through hole. According to the utility model, the butt joint efficiency of the contact arm and the contact is high, the protective cover and the shell are simultaneously arranged to avoid mistaken touch, and the safety is greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of switch cabinet manufacturing, in particular to a circuit breaker quick docking structure and a switch cabinet. Background Art

[0002] Switchgear is a crucial piece of equipment in power systems, used to distribute, control, and protect power lines. It typically consists of a variety of electrical components, including circuit breakers, disconnectors, transformers, and lightning arresters. Traditional vacuum circuit breakers require alignment when connecting their contact arms to the contacts in the contact box. However, the small size of the contacts makes them prone to movement during docking, resulting in inefficient alignment. Furthermore, the circuit breaker and contact arm lack protective measures, posing a potential safety hazard. Utility Model Content

[0003] The purpose of the utility model is to provide a circuit breaker quick docking structure and a switch cabinet which are easy to assemble and highly safe.

[0004] The purpose of the utility model is achieved as follows: a circuit breaker quick docking structure, comprising a vacuum circuit breaker, a contact box, the vacuum circuit breaker being placed in a housing, the top of the housing being provided with an insertion end, the side of the insertion end being provided with a docking end; a gland being provided on the top of the vacuum circuit breaker, an extension plate being provided on the outside of the gland, the gland being connected to the vacuum circuit breaker by bolts; a connecting seat being provided in the docking end, the connecting seat being connected to the docking end by bolts; a fixed end being provided at one end of the connecting seat, the fixed end being inserted under the extension plate and fixed by bolts; the connecting seat being connected to a contact arm, the contact arm body being placed in the docking end;

[0005] The bottom of the contact box is provided with an insertion port, the top side is provided with a copper discharge inlet, the inner side of the top of the contact box is provided with a static contact, the insertion port of the contact box is provided with a guide frame, and the middle of the guide frame is provided with a circular through hole.

[0006] Preferably, the guide frame is connected to the inner wall of the contact box by bolts, the inner wall of the circular through hole is provided with a rubber layer, and the guide frame is arranged at a distance of 10 cm from the docking port.

[0007] Preferably, a protective cover is provided on the periphery of the docking end, and the protective cover is rotatably connected to the outer wall of the docking port through a thread.

[0008] Preferably, a threaded column is provided at the center of the outer side of the connecting seat, the threaded column is connected to the connecting seat through a bolt, the outer wall of the threaded column is provided with an external thread, the contact arm is a hollow cylinder, and the contact arm is connected to the threaded column through a thread.

[0009] Preferably, a detachable protective cover is provided on the top of the insertion end.

[0010] Preferably, the static contact and the top end of the contact arm are plug-in snap-fitted.

[0011] A switch cabinet comprises the above-mentioned circuit breaker quick docking structure, wherein the main body of the circuit breaker quick docking structure is connected to the inner wall of the switch cabinet through a bracket.

[0012] Compared with the prior art, the present invention is beneficial in that:

[0013] 1. A guide frame and a circular through hole are set at the docking interface of the contact box. The center through hole is located on the central axis. When the contact arm enters the contact box and docks with the contact, it is more convenient and quick to use the circular through hole, which reduces the docking time and improves the installation efficiency.

[0014] 2. A rotatable protective cover is set on the periphery of the docking end. After the contact arm and the contact box are docked, the protective cover can be rotated to protect the periphery of the contact arm and prevent accidental touch. At the same time, the distance of the protective cover's front and rear displacement is adjustable, which is easy to use;

[0015] 3. The outer shell of the circuit breaker is optimized and the top is easy to disassemble, which makes it more convenient to install the circuit breaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 This is a structural diagram of the utility model installed in a switch cabinet.

[0018] Among them, 1 vacuum circuit breaker, 2 contact box, 201 insertion port, 202 copper discharge inlet, 3 shell, 301 insertion end, 302 docking end, 4 gland, 401 extension plate, 5 connection seat, 501 fixed end, 6 contact arm, 7 static contact, 8 guide frame, 801 circular through hole, 9 protective cover, 10 threaded column, 11 protective cover. DETAILED DESCRIPTION

[0019] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the content disclosed in this specification.

[0020] It should be noted that in the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the utility model product is usually placed when in use. These are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish descriptions, and cannot be understood as indicating or implying relative importance. Terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] It should also be noted that, in the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections, direct connections, indirect connections via an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0022] like Figure 1-2 As shown, a circuit breaker quick docking structure includes a vacuum circuit breaker 1, a contact box 2, and the vacuum circuit breaker 1 is placed in a housing 3. The housing 3 has an insertion end 301 at the top and a docking end 302 on the side of the insertion end 301; a gland 4 is provided on the top of the vacuum circuit breaker 1, and an extension plate 401 is provided on the outside of the gland 4. The gland 4 is connected to the vacuum circuit breaker 1 by bolts; a connecting seat 5 is provided in the docking end 302, and the connecting seat 5 is connected to the docking end 302 by bolts; a fixed end 501 is provided at one end of the connecting seat 5, and the fixed end 501 is inserted under the extension plate 401 and fixed by bolts; the connecting seat 5 is connected to the contact arm 6, and the main body of the contact arm 6 is placed in the docking end 302;

[0023] The bottom of the contact box 2 is provided with an insertion port 201, the top side is provided with a copper discharge port 202, the top inner side of the contact box 2 is provided with a static contact 7, the insertion port of the contact box 2 is provided with a guide frame 8, and the middle of the guide frame 8 is provided with a circular through hole 801.

[0024] like Figure 1As shown, the guide frame 8 is connected to the inner wall of the contact box 2 by bolts, the inner wall of the circular through hole 801 is provided with a rubber layer, the guide frame is set at 10CM away from the docking interface, and the guide frame is at a certain distance from the insertion port. The subsequent protective cover can be moved into the contact box, and the protective cover and the contact box form an interlaced fit.

[0025] like Figure 1 As shown, a protective cover 9 is provided on the periphery of the docking end 302, and the protective cover 9 is rotatably connected to the outer wall of the docking port through a thread. The protective cover can be moved by rotating it to cover the contact arm body to prevent the operator from accidentally touching it.

[0026] like Figure 1 As shown, a threaded column 10 is provided at the center of the outer side of the connecting seat 5, and the threaded column 10 is connected to the connecting seat 5 by bolts. The outer wall of the threaded column 10 is provided with an external thread. The contact arm 6 is a hollow cylinder, and the contact arm 6 is connected to the threaded column 10 by a thread. The threaded column can be replaced according to the actual diameter of the contact arm, which is convenient for docking various types of contact arms and improves installation efficiency.

[0027] like Figure 1 As shown, a detachable protective cover 11 is provided on the top of the insertion end 301. The protective cover and the insertion end can be snap-fitted. The vacuum circuit breaker body can be placed by removing the protective cover.

[0028] like Figure 1 As shown, the static contact 7 and the top of the contact arm 6 are plug-in snap-fitted. After the contact arm enters the circular channel, the circular channel and the static contact are on the same axis, which can speed up the docking of the contact arm and avoid multiple alignment of the static contact.

[0029] like Figure 2 As shown, a switch cabinet includes the above-mentioned circuit breaker quick docking structure, and the main body of the circuit breaker quick docking structure is connected to the inner wall of the switch cabinet through a bracket.

[0030] The working principle of the present invention is as follows: when assembling and docking, the circuit breaker is first installed in the housing, and then the connecting seat and the circuit breaker cover are connected and fixed. The contact arm can be quickly docked with the static contact through the guide frame, greatly improving the installation efficiency; at the same time, the protective cover outside the docking interface can wrap the contact arm body through rotational displacement, greatly improving safety.

[0031] The embodiments described above are merely descriptions of preferred embodiments of the present invention and are not intended to limit the concept and scope of the present invention. Any modifications and improvements to the technical solution of the present invention made by a person of ordinary skill in the art without departing from the design concept of the present invention shall fall within the scope of protection of the present invention. The technical content sought to be protected by the present invention is fully set forth in the claims.

Claims

1. A circuit breaker quick docking structure, comprising a vacuum circuit breaker and a contact box, characterized in that the vacuum circuit breaker is placed in a housing, the top of the housing is provided with an insertion end, and the side of the insertion end is provided with a docking end; the top of the vacuum circuit breaker is provided with a gland, the outer side of the gland is provided with an extension plate, and the gland is connected to the vacuum circuit breaker by bolts; a connecting seat is provided in the docking end, and the connecting seat and the docking end are connected by bolts; one end of the connecting seat is provided with a fixed end, the fixed end is inserted under the extension plate and fixed by bolts; the connecting seat is connected to the contact arm, and the contact arm body is placed in the docking end; The bottom of the contact box is provided with an insertion port, the top side is provided with a copper discharge inlet, the inner side of the top of the contact box is provided with a static contact, the insertion port of the contact box is provided with a guide frame, and the middle of the guide frame is provided with a circular through hole.

2. A circuit breaker quick docking structure according to claim 1, characterized in that: The guide frame is connected to the inner wall of the contact box by bolts, the inner wall of the circular through hole is provided with a rubber layer, and the guide frame is arranged at a distance of 10CM from the docking port.

3. The circuit breaker quick docking structure according to claim 1, characterized in that: A protective cover is provided on the periphery of the docking end, and the protective cover is rotatably connected to the outer wall of the docking port through a thread.

4. The circuit breaker quick docking structure according to claim 1, characterized in that: A threaded column is provided at the center of the outer side of the connecting seat, and the threaded column is connected to the connecting seat through a bolt. The outer wall of the threaded column is provided with an external thread. The contact arm is a hollow cylinder, and the contact arm is connected to the threaded column through a thread.

5. The circuit breaker quick docking structure according to claim 1, characterized in that: A detachable protective cover is provided on the top of the insertion end.

6. The circuit breaker quick docking structure according to claim 1, characterized in that: The static contact and the top end of the contact arm are plug-in buckled butt joints.

7. A switch cabinet, characterized in that: It comprises the circuit breaker quick docking structure according to any one of claims 1 to 6, wherein the main body of the circuit breaker quick docking structure is connected to the inner wall of the switch cabinet through a bracket.

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