Molded case circuit breaker with dustproof function

Abstract

The utility model discloses a molded case circuit breaker with a dustproof function, which comprises a molded case circuit breaker main body, a dustproof cover is detachably mounted on the outer side of the molded case circuit breaker main body, dustproof pieces for preventing dust at a wiring port of the molded case circuit breaker main body are arranged at the upper end and the lower end of the dustproof cover, and the front surface of the dustproof cover is movably connected with a switch cover. The beneficial effects of the utility model are that the dustproof cover can perform overall dust prevention on the outer side of the molded case circuit breaker main body, the fixing plate is matched with the connecting column, the molded case circuit breaker main body and the dustproof cover can be rapidly connected, and the wiring gap can avoid a lead, so that the wiring is convenient, and the service life of the molded case circuit breaker main body is prolonged. Meanwhile, the arranged dustproof piece can prevent dust from entering the wire wiring port, dust entering the wire wiring port is reduced, the switch cover is arranged on the front face of the dustproof cover, when the switch needs to be toggled, the switch can be exposed out by twisting the switch cover, and the switch is simple in structure, convenient to operate and suitable for application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit breaker technical field, concretely is a plastic -clad circuit breaker with dustproof function. BACKGROUND

[0002] The circuit breaker refers to the switch device that can close, carry and open the current under the normal loop condition and can close, carry and open the current under the abnormal loop condition in the prescribed time.

[0003] The utility model discloses a plastic -clad circuit breaker, including circuit breaker body and dust cover, the dust cover fixedly connected at the wiring seat screw hole of circuit breaker body upside, dust cover includes connecting seat, cover and connecting screw, connecting seat is equipped with the connecting hole on each wiring seat screw hole, and the inner end surface of each connecting hole is equipped with the boss that protrudes to the wiring seat screw hole, and the connecting hole is taper hole and is equipped with internal thread, connecting screw installs in the connecting hole, the plastic -clad circuit breaker of the utility model increases the dust cover on the basis of the existing structure of plastic -clad circuit breaker.

[0004] The defect of the above -mentioned selected technology lies in: the dust cover is connected in the connecting hole corresponding to the wiring hole through the screw, which leads to the problem that the wire is not convenient to disassemble the wire, if the wire needs to be disassembled and maintained, the dust cover needs to be disassembled by twisting the screw first, and then the screw for fixing the wire needs to be twisted down, a plurality of screws need to be twisted, which affects the disassembly efficiency. UTILITY MODEL CONTENTS

[0005] The utility model discloses a plastic -clad circuit breaker with dustproof function to solve the problem in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a plastic -clad circuit breaker with dustproof function, including plastic -clad circuit breaker main part, the outer side detachable of plastic -clad circuit breaker main part is installed with dust cover, and the upper and lower ends of dust cover are all provided with dustproof piece that carries out dustproof to the wiring port of plastic -clad circuit breaker main part, and the front of dust cover is movably connected with switch cover.

[0007] As a preferred scheme of the utility model, the dust cover is provided with a fixing plate, a hole is formed in the fixing plate, a connecting column is fixedly connected to the position corresponding to the fixing plate on the plastic -clad circuit breaker main part, and the connecting column cooperates with the hole in the fixing plate to realize the butt joint between the dust cover and the plastic -clad circuit breaker main part through the fixing plate and the connecting column.

[0008] As a preferred scheme of the utility model, a wiring gap is formed in the dust cover, the dustproof piece is arranged in the wiring gap, and a gap is formed in the dustproof piece.

[0009] As one preferred scheme of the utility model, the front surface of the dust cover is fixedly connected with a mounting seat, the outer side of the mounting seat is fixedly connected with an outer thread, the inner side of the switch cover is fixedly connected with an inner thread, and the outer thread and the inner thread are matched to make the mounting seat and the switch cover butt joint through the outer thread and the inner thread.

[0010] As one preferred scheme of the utility model, the switch cover is provided with an observation window.

[0011] Compared with the prior art, the utility model has the beneficial effects that: the dust cover is arranged to prevent dust on the outer side of the molded case circuit breaker body, the fixed plate and the connecting column are matched to quickly connect the molded case circuit breaker body and the dust cover, the wiring gap is arranged to avoid the wire, the dustproof member is arranged to prevent dust from entering the wire connection port, the switch cover is arranged on the front surface of the dust cover, and the switch cover can be twisted to release the switch when the switch needs to be actuated, the structure is simple, the operation is convenient, and the utility model is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural schematic view of the utility model after the switch cover is disassembled;

[0014] Figure 3 It is a structural schematic view of the utility model; Figure 2 It is an enlarged structural schematic view of A in the middle.

[0015] In the drawing: 1, molded case circuit breaker body; 2, dust cover; 3, wiring gap; 4, dustproof member; 5, gap; 6, fixed plate; 7, connecting column; 8, mounting seat; 9, outer thread; 10, switch cover; 11, inner thread; 12, observation window. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0017] Please refer to Figures 1 to 3The utility model provides a technical scheme: a moulded case circuit breaker with dustproof function, including moulded case circuit breaker main part 1, the outside of moulded case circuit breaker main part 1 is detachably installed with dust cover 2, dust cover 2 is on moulded case circuit breaker main part 1 and is pasted with the outside of moulded case circuit breaker main part 1, the dust cover 2's upper and lower both ends all are provided with dustproof piece 4 that carries out dustproof to the wiring port of moulded case circuit breaker main part 1, dustproof piece 4 can adopt rubber material, does not harm the conductor, the front of dust cover 2 is swingly connected with switch cover 10, switch cover 10 can carry out dustproof to the switch on moulded case circuit breaker main part 1, twist switch cover 10 can be on moulded case circuit breaker main part 1 switch and is stirred, switch cover 10 is provided with observation window 12, can view dust cover 2 inside through the observation window 12 of setting.

[0018] Wherein, the dust cover 2 is provided with the fixed plate 6, the fixed plate 6 is connected with the dust cover 2, and the connecting portion is relatively narrow, can slightly evert, the fixed plate 6 is provided with a hole, the moulded case circuit breaker main part 1 is fixedly connected with the connecting column 7 at the position corresponding with the fixed plate 6, the top of connecting column 7 is dome-shaped structure, is convenient and touches the hole in fixed plate 6, connecting column 7 and the hole in fixed plate 6 cooperate, make dust cover 2 and moulded case circuit breaker main part 1 through fixed plate 6 and connecting column 7 realize docking.

[0019] Wherein, the dust cover 2 is provided with wiring gap 3, the dustproof piece 4 is arranged in wiring gap 3, the dustproof piece 4 is provided with slit 5, the slit 5 is used to avoid the wire, and will not harm the wire.

[0020] It is worth mentioning that: the slit 5 on the dustproof piece 4 can also be transversely provided with multiple on the basis of the present, more tightly wrap the wire.

[0021] Wherein, the front of dust cover 2 is fixedly connected with mounting seat 8, the outside of mounting seat 8 is fixedly connected with external thread 9, the inside of switch cover 10 is fixedly connected with internal thread 11, external thread 9 and internal thread 11 cooperate, make mounting seat 8 and switch cover 10 through external thread 9 and internal thread 11 docking.

[0022] Specifically, the dust cover 2 can be inserted on the outside of the molded case circuit breaker main body 1 through the cooperation between the fixed plate 6 and the connecting column 7, then the connecting column 7 pushes against the fixed plate 6 to make the fixed plate 6 slightly evert, the connecting column 7 is inserted into the hole of the fixed plate 6, then the wire is inserted into the slit 5, the dustproof piece 4 wraps the wire, and the switch of the molded case circuit breaker main body 1 is aligned with the switch cover 10, the switch of the molded case circuit breaker main body 1 can be observed through the observation window 12, and the switch cover 10 can be removed from the dust cover 2 by twisting the switch cover 10, so that the staff can stir the switch on the molded case circuit breaker main body 1.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 invention.

[0024] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one such feature.

[0025] In the present invention, unless otherwise clearly stipulated and limited, the terms "install", "set", "connect", "fix", "screw" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A molded case circuit breaker with dustproof function, comprising a molded case circuit breaker body (1), characterized in that: A dust cover (2) is detachably mounted on the outer side of the molded case circuit breaker body (1); dustproof parts (4) for preventing dust from forming at the wiring port of the molded case circuit breaker body (1) are provided at both upper and lower ends of the dust cover (2); and a switch cover (10) is movably connected to the front side of the dust cover (2).

2. The molded case circuit breaker with dustproof function according to claim 1, characterized in that: A fixing plate (6) is provided on the dust cover (2), a hole is provided in the fixing plate (6), a connecting column (7) is fixedly connected at a position on the molded case circuit breaker body (1) corresponding to the fixing plate (6), and the connecting column (7) cooperates with the hole in the fixing plate (6), so that the dust cover (2) and the molded case circuit breaker body (1) are connected to each other via the fixing plate (6) and the connecting column (7).

3. The molded case circuit breaker with dustproof function according to claim 2, characterized in that: A wiring notch (3) is provided on the dust cover (2), the dustproof member (4) is arranged in the wiring notch (3), and a slit (5) is provided on the dustproof member (4).

4. The molded case circuit breaker with dustproof function according to claim 1, characterized in that: The front of the dust cover (2) is fixedly connected to a mounting seat (8), the outer side of the mounting seat (8) is fixedly connected to an external thread (9), and the inner side of the switch cover (10) is fixedly connected to an internal thread (11), and the external thread (9) and the internal thread (11) cooperate with each other so that the mounting seat (8) and the switch cover (10) are butted against each other through the external thread (9) and the internal thread (11).

5. The molded case circuit breaker with dustproof function according to claim 1, characterized in that: The switch cover (10) is provided with an observation window (12).

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