CN214411089U

CN214411089U - Universal circuit breaker with dustproof construction

Info

Publication number: CN214411089U
Application number: CN202120804443.1U
Authority: CN
Inventors: 邱勇军; 邱兴华
Original assignee: Jinqi Electric Power Technology Co ltd
Current assignee: Jinqi Electric Power Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-10-15
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses an universal circuit breaker with dustproof construction, which comprises a frame, frame front end left side lower part is equipped with fixing device, be equipped with the head in the fixing device, fixed mounting has the circuit breaker body in the frame, circuit breaker body upper end rear portion fixedly connected with terminal row, frame upper end front portion has the dust cover through hinge swing joint, dust cover front end lower part fixedly connected with front bezel, front bezel front end lower part fixedly connected with handle, the frame front end is equipped with dustproof door and the dustproof door right part passes through the hinge and is in the same place with frame swing joint, the opening of break-over around the dustproof door front end left side lower part is opened, opening upper portion is opened there is the bayonet socket, the spacing seat of equal fixedly connected with in frame left end lower part and right-hand member lower part. A universal circuit breaker with dustproof construction, be provided with dust cover and dustproof door, can prevent that the dust from falling into on the terminal row and the front panel of circuit breaker.

Description

Universal circuit breaker with dustproof construction

Technical Field

The utility model relates to an universal circuit breaker technical field especially relates to an universal circuit breaker with dustproof construction.

Background

The universal circuit breaker is also called frame type circuit breaker, and is a mechanical switch electric appliance which can connect, bear and break the current under the normal circuit condition, and can also connect, bear and break the circuit for a certain time under the specified abnormal circuit condition.

The conventional universal circuit breaker generally has the following design defects: 1. the existing universal circuit breaker terminal strip, the front panel and other areas are easy to deposit a large amount of dust, most of the areas are not provided with a dustproof structure, and the long-time use of the universal circuit breaker is not facilitated; 2. the front panel of some circuit breakers is provided with a dustproof door, but most of the dustproof doors use a lock head, and are inconvenient to open or close quickly.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an universal circuit breaker with a dustproof structure, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an universal circuit breaker with dustproof construction, includes the frame, frame front end left side lower part is equipped with fixing device, be equipped with the head in the fixing device, fixed mounting has the circuit breaker body in the frame, circuit breaker body upper end rear portion fixedly connected with terminal row, frame upper end front portion has the dust cover through hinge swing joint, dust cover front end lower part fixedly connected with front bezel, front bezel front end lower part fixedly connected with handle, the frame front end is equipped with dustproof door and the dustproof door right part and passes through hinge and frame swing joint together, the opening of break-over around the dustproof door front end left side lower part is opened has, opening upper portion has the bayonet socket, the spacing seat of equal fixedly connected with in frame left end lower part and right-hand member lower part.

Preferably, the fixing device comprises a fixing seat, a front hole is formed in the middle of the front end of the fixing seat, a top hole is formed in the middle of the upper end of the fixing seat, a fixing column is fixedly connected to the middle of the bottom of the front hole, a spring is connected to the outer surface of the fixing column in an inserting mode, and the rear end of the fixing seat is fixedly connected with the lower left portion of the front end of the frame.

Preferably, the front hole is communicated with the inside of the top hole, the lower end face of the fixed seat is fixedly connected with the frame, and the fixed seat is located in the notch.

Preferably, the movable device comprises a telescopic cylinder, a telescopic hole is formed in the middle of the lower end of the telescopic cylinder, a diagonal plane is formed in the upper portion of the front end of the telescopic cylinder, and a poke rod is fixedly connected to the lower portion of the front end of the telescopic cylinder.

Preferably, the fixing column is located in the telescopic cylinder and movably connected with the telescopic cylinder, and the spring is located below the telescopic cylinder.

Preferably, the poke rod is located inside the front hole, the front portion of the poke rod exceeds the front end face of the fixing seat, the telescopic cylinder is located in the top hole, the oblique plane exceeds the upper end face of the fixing seat, and the oblique plane is located in the clamping opening.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the dust cover which can be opened upwards is arranged at the front part of the upper end of the frame, and after the terminal row is connected with the wire, the dust cover is closed downwards to prevent dust from falling on the terminal row; the front part of the frame is provided with a dustproof door which can prevent dust from falling on the front panel of the circuit breaker.

2. The utility model discloses in, be provided with fixing device and head at frame front end lower left corner, through fixing device and head's synergism, the dustproof door can relax open or close, need not to use tapered end and key to come the switching dustproof door.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a universal circuit breaker with a dustproof structure according to the present invention;

fig. 2 is a schematic structural view illustrating the opening of a dust cover of a universal circuit breaker with a dust-proof structure according to the present invention;

fig. 3 is a schematic structural view of a fixing device of a universal circuit breaker with a dustproof structure according to the present invention;

fig. 4 is a schematic structural diagram of a moving device of an universal circuit breaker with a dustproof structure according to the present invention.

In the figure: 1. a frame; 2. a fixing device; 3. a mobile device; 4. a circuit breaker body; 5. a terminal block; 6. a dust cover; 7. a front plate; 8. a handle; 9. a dust-proof door; 10. opening the gap; 11. a bayonet; 12. a limiting seat; 21. a fixed seat; 22. a front aperture; 23. a top hole; 24. fixing a column; 25. a spring; 31. a telescopic cylinder; 32. a telescopic hole; 33. a chamfer plane; 34. a poke rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, an universal circuit breaker with a dustproof structure comprises a frame 1, a fixing device 2 is arranged on the lower left part of the front end of the frame 1, a moving device 3 is arranged in the fixing device 2, a breaker body 4 is fixedly arranged in the frame 1, a terminal row 5 is fixedly connected to the rear part of the upper end of the breaker body 4, a dustproof cover 6 is movably connected to the front part of the upper end of the frame 1 through a hinge, a front plate 7 is fixedly connected to the lower part of the front end of the dustproof cover 6, a handle 8 is fixedly connected to the lower part of the front end of the front plate 7, a dustproof door 9 is arranged on the front end of the frame 1, the right part of the dustproof door 9 is movably connected with the frame 1 through a hinge, an opening 10 which is penetrated from front to back is formed in the lower left part of the front end of the dustproof door 9, a bayonet 11 is formed in the upper part of the opening 10, and a limiting seat 12 is fixedly connected to the lower parts of the left end and right ends of the frame 1.

The fixing device 2 comprises a fixing seat 21, a front hole 22 is formed in the middle of the front end of the fixing seat 21, a top hole 23 is formed in the middle of the upper end of the fixing seat 21, a fixing column 24 is fixedly connected to the middle of the bottom of the front hole 22, a spring 25 is inserted and connected to the outer surface of the fixing column 24, and the rear end of the fixing seat 21 is fixedly connected with the left lower portion of the front end of the frame 1; the front hole 22 is communicated with the inside of the top hole 23, the lower end face of the fixed seat 21 is fixedly connected with the frame 1, and the fixed seat 21 is positioned in the gap 10; the movable device 3 comprises a telescopic cylinder 31, a telescopic hole 32 is formed in the middle of the lower end of the telescopic cylinder 31, a diagonal plane 33 is formed in the upper portion of the front end of the telescopic cylinder 31, and a poke rod 34 is fixedly connected to the lower portion of the front end of the telescopic cylinder 31; the fixed column 24 is positioned on the telescopic cylinder 31 and movably connected with the telescopic cylinder 31, and the spring 25 is positioned below the telescopic cylinder 31; the poke rod 34 is positioned in the front hole 22, and the front part of the poke rod 34 exceeds the front end surface of the fixed seat 21, so that the poke rod 34 can be conveniently held by hands; the telescopic cylinder 31 is positioned in the top hole 23, the inclined cut surface 33 exceeds the upper end surface of the fixed seat 21, and the inclined cut surface 33 is positioned in the bayonet 11 to provide resistance for the dust-proof door 9 and prevent the dust-proof door from being opened when not necessary; the design of the chamfer 33 facilitates the closing of the dust gate 9.

It should be noted that the utility model relates to an all-purpose circuit breaker with dustproof structure, when using, fix the circuit breaker frame 1 at the assigned position through the spacing seat 12, after the terminal row 5 connects the line, close the dust cover 6 downwards, prevent the dust from falling on the terminal row 5; before the dustproof door 9 is opened, the fixed seat 21 is positioned in the notch 10, meanwhile, the inclined cutting surface 33 at the upper part of the telescopic cylinder 31 is positioned in the bayonet 11, and the dustproof door 9 cannot be opened under resistance; when the dustproof door 9 is opened, fingers hold the poke rod 34 to poke downwards to drive the telescopic cylinder 31 to press the spring 25 downwards, so that the inclined plane 33 above the telescopic cylinder 31 retracts into the top hole 23, the inclined plane 33 is not in the bayonet 11, and the dustproof door 9 can be easily opened without resistance; the design of the chamfer 33 facilitates the closing of the dust door 9; the dustproof door 9 can prevent dust from falling on the front panel of the circuit breaker, and through the synergistic effect of the fixing device 2 and the moving device 3, the dustproof door 9 can be opened or closed easily without using a lock head and a key to open and close the dustproof door 9.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A universal circuit breaker with a dustproof structure comprises a frame (1), and is characterized in that: a fixing device (2) is arranged at the left lower part of the front end of the frame (1), a movable device (3) is arranged in the fixing device (2), a breaker body (4) is fixedly arranged in the frame (1), the rear part of the upper end of the breaker body (4) is fixedly connected with a terminal strip (5), the front part of the upper end of the frame (1) is movably connected with a dust cover (6) through a hinge, the lower part of the front end of the dust cover (6) is fixedly connected with a front plate (7), the lower part of the front end of the front plate (7) is fixedly connected with a handle (8), the front end of the frame (1) is provided with a dustproof door (9), the right part of the dustproof door (9) is movably connected with the frame (1) through a hinge, the left lower part of the front end of the dustproof door (9) is provided with a notch (10) which is penetrated through from front to back, the upper part of the opening (10) is provided with a bayonet (11), and the lower part of the left end and the lower part of the right end of the frame (1) are fixedly connected with limit seats (12).

2. The universal circuit breaker with a dustproof structure as claimed in claim 1, wherein: the fixing device (2) comprises a fixing seat (21), a front hole (22) is formed in the middle of the front end of the fixing seat (21), a top hole (23) is formed in the middle of the upper end of the fixing seat (21), a fixing column (24) is fixedly connected to the middle of the hole bottom of the front hole (22), a spring (25) is connected to the outer surface of the fixing column (24) in an inserting mode, and the rear end of the fixing seat (21) is fixedly connected with the left lower portion of the front end of the frame (1).

3. The universal circuit breaker with a dustproof structure as claimed in claim 2, wherein: the front hole (22) is communicated with the inside of the top hole (23), the lower end face of the fixed seat (21) is fixedly connected with the frame (1), and the fixed seat (21) is positioned in the notch (10).

4. The universal circuit breaker with a dustproof structure as claimed in claim 2, wherein: the movable device (3) comprises a telescopic cylinder (31), a telescopic hole (32) is formed in the middle of the lower end of the telescopic cylinder (31), a chamfer (33) is formed in the upper portion of the front end of the telescopic cylinder (31), and a poke rod (34) is fixedly connected to the lower portion of the front end of the telescopic cylinder (31).

5. The universal circuit breaker with a dustproof structure as claimed in claim 4, wherein: the fixing column (24) is located on the telescopic cylinder (31) and movably connected with the telescopic cylinder (31), and the spring (25) is located below the telescopic cylinder (31).

6. The universal circuit breaker with a dustproof structure as claimed in claim 4, wherein: the poke rod (34) is located inside the front hole (22), the front portion of the poke rod (34) exceeds the front end face of the fixing seat (21), the telescopic cylinder (31) is located in the top hole (23), the oblique plane (33) exceeds the upper end face of the fixing seat (21), and the oblique plane (33) is located in the bayonet (11).