Anti-interference molded case circuit breaker

Abstract

The utility model relates to the technical field of molded case circuit breakers, in particular to an anti-interference molded case circuit breaker, which comprises a circuit breaker main body of which the upper end and the lower end are provided with mounting bolts, and further comprises movable grooves which are formed in the left side and the right side of the circuit breaker main body, and hinge rods are arranged at the front ends of the inner sides of the movable grooves; and the shell is arranged on the front surface of the circuit breaker main body, and positioning clamping grooves corresponding to the movable grooves are formed in the left side and the right side of the shell. According to the anti-interference molded case circuit breaker, through the effects of the mounting bolt, the positioning fastener, the hinge rod and the positioning chuck, the circuit breaker has the advantage of being convenient to repair and maintain, and the problem that most of existing anti-interference molded case circuit breakers are of an integrated structure or the connection between the circuit breaker main body and the molded case is carried out by adopting bolts is solved. Therefore, when the internal elements of the anti-interference molded case circuit breaker are damaged, the maintenance steps of the molded case circuit breaker are tedious and even the molded case circuit breaker cannot be maintained, so that the use of the molded case circuit breaker is not facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a molded case circuit breaker technical field, concretely is a kind of anti-interference molded case circuit breaker. BACKGROUND

[0002] Molded case circuit breaker is also called device type circuit breaker, all parts are sealed in plastic shell, auxiliary contact, under voltage release and auxiliary release are mostly modular, molded case circuit breaker is to install contact, arc extinguishing chamber, release and operating mechanism etc.

[0003] At present, the existing anti-interference molded case circuit breaker is mostly integrated structure or adopts bolt to connect circuit breaker main body and plastic shell, thereby leading to that when internal element of anti-interference molded case circuit breaker is damaged, the step of maintaining molded case circuit breaker is more cumbersome and more cannot be maintained, which is not conducive to the use of molded case circuit breaker, for this purpose, we propose a kind of anti-interference molded case circuit breaker. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of anti-interference molded case circuit breaker, with the advantage of convenient maintenance, solve the existing anti-interference molded case circuit breaker mostly integrated structure or adopts bolt to connect circuit breaker main body and plastic shell, thereby leading to that when internal element of anti-interference molded case circuit breaker is damaged, the step of maintaining molded case circuit breaker is more cumbersome and more cannot be maintained, which is not conducive to the use of molded case circuit breaker.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of anti-interference molded case circuit breaker, including the circuit breaker main body that both ends are provided with mounting bolt, still include:

[0006] The movable slot opened in the left and right sides of circuit breaker main body, the front end of movable slot inner side is provided with hinged rod;

[0007] Shell is set to the front of circuit breaker main body, the left and right sides of shell are all opened with the positioning clamping groove corresponding with movable slot, the outer surface of hinged rod is equipped with positioning fastener, the rear end of one side of positioning fastener is provided with elastic sheet, the front end of positioning fastener is provided with the positioning head of adaptation with positioning clamping groove.

[0008] Preferably, the rear end of one side of the positioning fastener is provided with anti-slip pattern.

[0009] Preferably, the elastic sheet is obliquely arranged, and one side of the rear end of the elastic sheet is in contact with the inner wall of the movable slot.

[0010] Preferably, the positioning slot is in L-shaped structure.

[0011] Preferably, the left and right sides of the shell are provided with cooperation slots, and rear ends of the cooperation slots are provided with limiting slots.

[0012] Preferably, the front side of the shell is provided with a cover shell, and the left and right ends of the rear side of the cover shell are provided with connecting buckle plates matched with the cooperation slots and the limiting slots.

[0013] Preferably, the rear ends of the left and right sides of the connecting buckle plates are provided with rear hinge seats, the rear ends of the left and right sides of the cover shell are provided with front hinge seats corresponding to the rear hinge seats, and the front hinge seats and the rear hinge seats are provided with outwardly inclined pushers.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a convenient disassembly and use of the circuit breaker main body through the setting of the mounting bolt.

[0016] 2. The utility model discloses when needing to maintain the inside of the circuit breaker, the finger contacts the anti -skid line of the positioning buckle, then, through the anti -skid line of the positioning buckle, drive the rear end of the positioning buckle to be the center of the hinge rod and turn inwards, and when the positioning buckle turns, can force the elastic sheet to shrink into one side of the rear end of the positioning buckle after slightly deforming, simultaneously, the positioning buckle head of the upper end of the positioning buckle can turn outward with the hinge rod as the center, after the positioning buckle head exits the positioning slot, can drive the shell to separate from the cooperation state of the circuit breaker main body, convenient for people's use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the first visual angle structure schematic view of the utility model;

[0018] Figure 2 It is the explosion structure schematic view of the utility model;

[0019] Figure 3 It is the second visual angle sectional structure schematic view of the utility model;

[0020] Figure 4 It is the third visual angle sectional structure schematic view of the utility model.

[0021] In the drawing: 1, circuit breaker main body;101, mounting bolt;102, movable slot;103, hinge rod;2, shell;201, positioning buckle;202, cooperation slot;203, limiting slot;204, anti -skid line;205, positioning slot;206, positioning buckle head;207, elastic sheet;3, cover shell;301, pusher;302, front hinge seat;303, connecting buckle plate;304, rear hinge seat. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0023] In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more than two; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are the orientations or positional relationships shown in the drawings, which are only for the purpose of facilitating the description of the present application and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The circuit breaker body 1, mounting bolt 101, movable slot 102, hinge rod 103, shell 2, positioning fastener 201, matching slot 202, limiting clamping groove 203, anti-skid pattern 204, positioning clamping groove 205, positioning clamp head 206, spring sheet 207, cover 3, actuator 301, front hinge seat 302, connecting buckle plate 303 and rear hinge seat 304 components are all general standard parts or components known to those skilled in the art, and their structure and principle can be known by technical personnel through technical manual or through conventional experimental methods.

[0026] Embodiment one

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of anti-interference plastic shell circuit breaker, including the circuit breaker body 1 being provided with mounting bolt 101 in upper and lower ends, still include:

[0028] Movable slot 102 is opened in the left and right sides of circuit breaker body 1, and hinge rod 103 is arranged at the front end of the inner side of movable slot 102;

[0029] The shell 2 is arranged on the front of the circuit breaker body 1, the left and right sides of the shell 2 are provided with positioning clamping grooves 205 corresponding to the movable grooves 102, the outer surface of the hinged rod 103 is sleeved with a positioning fastener 201, the rear end of one side of the positioning fastener 201 is provided with an elastic sheet 207, and the front end of the positioning fastener 201 is provided with a positioning clamping head 206 matched with the positioning clamping groove 205.

[0030] The rear end of one side of the positioning fastener 201 is provided with an anti-skid line 204, the elastic sheet 207 is arranged in an inclined mode, one side of the rear end of the elastic sheet 207 is in contact with the inner wall of the movable groove 102, and the positioning clamping groove 205 has an L-shaped structure.

[0031] The technical scheme has the advantages that the installation bolt 101 is arranged, the circuit breaker body 1 is convenient to disassemble and assemble, when the circuit breaker needs to be maintained, the anti-skid line 204 of the positioning fastener 201 is contacted by a finger, then the rear end of the positioning fastener 201 is turned inward around the hinged rod 103 through the anti-skid line 204 of the positioning fastener 201, when the positioning fastener 201 is turned, the elastic sheet 207 is forced to be retracted into one side of the rear end of the positioning fastener 201 after slight deformation, meanwhile, the positioning clamping head 206 at the upper end of the positioning fastener 201 is turned outward around the hinged rod 103, after the positioning clamping head 206 is withdrawn from the positioning clamping groove 205, the shell 2 can be separated from the circuit breaker body 1, and the use of people is facilitated, after maintenance or maintenance is completed, the shell 2 is combined with the circuit breaker body 1, the finger is relaxed on the anti-skid line 204 of the positioning fastener 201, at this time, the elastic sheet 207 can drive the positioning fastener 201 to reset, and then the positioning clamping head 206 is clamped into the positioning clamping groove 205 again, so that the shell 2 and the circuit breaker body 1 are combined and installed.

[0032] Embodiment two

[0033] On the basis of the embodiment one, the utility model discloses as shown in Figures 1-4 The left and right sides of the shell 2 are provided with matching grooves 202, the rear end of the matching groove 202 is provided with a limiting clamping groove 203, the front of the shell 2 is inserted with a cover 3, the left and right ends of the rear side of the cover 3 are provided with connecting buckle plates 303 matched with the matching grooves 202 and the limiting clamping grooves 203, the rear end of the left and right sides of the connecting buckle plates 303 is provided with rear hinged seats 304, the rear end of the left and right sides of the cover 3 is provided with front hinged seats 302 corresponding to the rear hinged seats 304, and the front hinged seats 302 and the rear hinged seats 304 are provided with outwardly inclined pushing members 301.

[0034] The technical scheme: when the cover shell 3 is inserted into the front face of the shell 2, the connecting buckle plate 303 will slightly deform when sliding along the matching groove 202, and finally the rear end of the connecting buckle plate 303 is clamped into the limited clamping groove 203, so that the cover shell 3 is quickly installed on the front face of the shell 2 to achieve the sealing effect, thereby solving the problem that the current molded case circuit breaker adopts an up-down pushing rod to control the connection and disconnection, and when the pushing rod is pushed to the upper gear position, the connection is turned on, and when the pushing rod is pushed to the lower gear position, the disconnection is turned off, and the front side of the shell of the molded case circuit breaker is provided with a rectangular mounting hole corresponding to the pushing rod, since a certain matching gap is formed between the pushing rod and the mounting hole, dust is easily entered, and the use performance is affected, and when the pushing rod is operated, only the front end of the pushing piece 301 is contacted by the finger, and the upper end of the pushing piece 301 is driven to be close to the surface of the cover shell 3, and the outwardly inclined pushing piece 301 can drive the rear end of the pushing piece 301 to be flipped outward with the front hinge seat 302 as the center, and the rear end of the pushing piece 301 can drive the connecting buckle plate 303 to slightly deform again through the rear hinge seat 304, and the lower end of the connecting buckle plate 303 is out of the limited clamping groove 203, so that the cover shell 3 is quickly disassembled, and the use of people is facilitated.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An anti-interference molded case circuit breaker, comprising a circuit breaker body (1) with mounting bolts (101) at both the top and bottom ends, characterized in that, Also includes: Movable slots (102) are provided on the left and right sides of the circuit breaker body (1), and a hinge rod (103) is provided at the front end of the inner side of the movable slots (102); The housing (2) is located on the front of the circuit breaker body (1). The left and right sides of the housing (2) are provided with positioning slots (205) corresponding to the movable slot (102). The outer surface of the hinge rod (103) is fitted with a positioning fastener (201). A spring piece (207) is provided at the rear end of one side of the positioning fastener (201). The front end of the positioning fastener (201) is provided with a positioning head (206) that is adapted to the positioning slot (205).

2. The anti-interference molded case circuit breaker according to claim 1, characterized in that: The rear end of one side of the positioning fastener (201) is provided with anti-slip texture (204).

3. The anti-interference molded case circuit breaker according to claim 1, characterized in that: The spring piece (207) is inclined, and one side of the rear end of the spring piece (207) is in contact with the inner wall of the movable groove (102).

4. The anti-interference molded case circuit breaker according to claim 1, characterized in that: The positioning slot (205) has an L-shaped structure.

5. The anti-interference molded case circuit breaker according to claim 1, characterized in that: The housing (2) has mating grooves (202) on both the left and right sides, and a limiting slot (203) is provided at the rear end of the mating groove (202).

6. The anti-interference molded case circuit breaker according to claim 5, characterized in that: The front of the housing (2) is fitted with a cover (3), and the left and right ends of the rear side of the cover (3) are provided with connecting buckles (303) that are adapted to the mating groove (202) and the limiting slot (203).

7. The anti-interference molded case circuit breaker according to claim 6, characterized in that: The rear ends of the connecting buckle plate (303) on both the left and right sides are provided with rear hinge seats (304), and the rear ends of the cover (3) on both the left and right sides are provided with front hinge seats (302) corresponding to the rear hinge seats (304). An outwardly inclined toggle member (301) is provided between the front hinge seats (302) and the rear hinge seats (304).

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