Improved structure of circuit breaker

Abstract

The utility model discloses an improved structure of a circuit breaker, which belongs to the technical field of circuit breakers and comprises a mounting frame, a circuit breaker body is detachably connected in the mounting frame, clamping grooves are arranged on two opposite sides of the circuit breaker body, movable grooves are arranged on two opposite sides in the mounting frame, and the movable grooves are connected with the circuit breaker body. The side face of the movable groove is slidably connected with two limiting rods, and the two ends of each limiting rod are fixedly connected with a limiting plate and a clamping block correspondingly. The beneficial effects are that through the arrangement of the folding protective cover, people pull the folding protective cover, one end face of the folding protective cover passes through the limiting frame, and rotate a stop block, the position of the folding protective cover is fixed, so that people can conveniently protect the surface of the circuit breaker body, and through the arrangement of a bolt, people rotate the bolt, so that a clamping block is separated from a clamping groove, and the safety of the circuit breaker body is improved. People can detach the circuit breaker body from the mounting rack, so that people can maintain the circuit breaker body conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, and more specifically, to an improved structure of a circuit breaker. Background Art

[0002] A circuit breaker is a switching device that can close, carry and interrupt current under normal circuit conditions and can close, carry and interrupt current under abnormal circuit conditions within a specified time.

[0003] However, some existing circuit breakers do not have protective devices on the outside during use, so the surface of the circuit breaker will be worn after a long time. At the same time, some circuit breakers are inconvenient to install and disassemble. When the circuit breaker is damaged, it is not convenient for people to disassemble and repair it, thereby reducing the practicality of the circuit breaker. Therefore, in view of the above problems, an improved structure of the circuit breaker is proposed. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an improved structure of a circuit breaker, which has a protection mechanism, which is convenient for people to protect the surface of the circuit breaker and to disassemble and repair the circuit breaker.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides an improved structure of a circuit breaker, including a mounting frame, wherein the mounting frame is detachably connected to a circuit breaker body, the circuit breaker body is provided with clamping grooves on two opposite sides, and the mounting frame is provided with movable grooves on two opposite sides, two limit rods are slidably connected to the side of the movable groove, and the two ends of the limit rod are respectively fixedly connected to a limit plate and a clamping block, a first threaded barrel is fixedly connected to the side of the movable groove, a bolt is threadedly connected to the inside of the first threaded barrel, one end of the bolt is fixedly connected to a first rotating shaft, the first rotating shaft is rotatably connected to a bearing fixedly connected to the side of the clamping block, and the clamping block is clamped in the clamping slot, and a placement box and a limit frame are respectively fixedly connected to the front of the mounting frame, a folding protective cover is fixedly connected to the side of the placement box, one end face of the folding protective cover passes through the limit frame, and is rotatably connected to two blocks through a pin shaft.

[0008] When using an improved circuit breaker structure of the present technical solution, by setting a folding protective cover, people pull the folding protective cover so that one end surface of the folding protective cover passes through the limit frame, and rotate the stopper to fix the position of the folding protective cover, so that people need to protect the surface of the circuit breaker body. By setting a bolt, people rotate the bolt to disengage the clamping block from the clamping groove, and people can remove the circuit breaker body from the mounting frame, so that people can repair it.

[0009] Furthermore, a plurality of wire holes are provided at the top end and the bottom end of the mounting frame.

[0010] Furthermore, limiting grooves are provided on two opposite sides of the wire hole, limiting blocks are slidably connected inside the limiting grooves, and a clamping block is fixedly connected between the two limiting blocks.

[0011] Furthermore, a second threaded barrel is fixedly connected to the top of the inner part of the wire hole, a threaded rod is threadedly connected to the inner part of the second threaded barrel, and a cross clamp and a second rotating shaft are fixedly connected to both ends of the threaded rod.

[0012] Furthermore, the bottom end of the second rotating shaft is rotatably connected to a bearing fixedly connected to the top of the clamping block.

[0013] Furthermore, two mounting plates are fixedly connected to opposite sides of the mounting frame.

[0014] (3) Beneficial effects

[0015] In summary, the utility model has the following beneficial effects:

[0016] 1. The improved structure of the circuit breaker is provided with a folding protective cover. People pull the folding protective cover to make one end face of the folding protective cover pass through the limit frame, and rotate the stopper to fix the position of the folding protective cover, so that people need to protect the surface of the circuit breaker body. By providing a bolt, people rotate the bolt to make the clamping block disengage from the clamping groove, and people can remove the circuit breaker body from the mounting frame, so that people can repair it;

[0017] 2. The improved structure of the circuit breaker is provided with a cross clamp block and a wire hole. When connecting the wires to the circuit breaker body, people pass the wires through the wire hole and connect one end of the wire to the circuit breaker body. After the connection is completed, people rotate the cross clamp block to rotate the threaded rod and the second rotating shaft. Under the limit of the limit block and the limit groove, the clamping block is driven to move and the wire is fixed in the wire hole, so that it is convenient for people to limit and fix the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of the utility model in a front view;

[0020] Figure 2 It is a structural schematic diagram of the placement box in the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the utility model from the side;

[0022] Figure 4 Based Figure 2 A schematic diagram of the structure of the enlarged cross-section at the center;

[0023] Figure 5 Based Figure 3 Schematic diagram of the structure with an enlarged cross-section at point B.

[0024] The markings in the accompanying drawings are:

[0025] 1. Mounting frame; 101. Movable slot; 102. Limit rod; 103. Clamping block; 104. Limit plate; 105. First threaded barrel; 106. Bolt; 107. First rotating shaft; 108. Placement box; 109. Folding protective cover; 1010. Limit frame; 1011. Stop block; 1012. Wire hole; 1013. Second threaded barrel; 1014. Threaded rod; 1015. Cross clamping block; 1016. Clamping block; 1017. Limit slot; 1018. Limit block; 1019. Second rotating shaft;

[0026] 2. Mounting plate;

[0027] 3. Circuit breaker body; 301. Card slot. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the technical scheme in the specific implementation mode of the present invention is clearly and completely described below to further illustrate the present invention. Obviously, the specific implementation mode described is only a part of the implementation mode of the present invention, rather than all the styles.

[0029] Example:

[0030] The following is combined with Figure 1-5 The utility model is described in further detail.

[0031] See also Figure 1-5 The utility model provides a technical solution: an improved circuit breaker structure, including a mounting frame 1, a circuit breaker body 3 is detachably connected inside the mounting frame 1, and the circuit breaker body 3 is provided with a clamping groove 301 on both sides of the mounting frame 1. A movable groove 101 is provided on both sides of the mounting frame 1. Two limit rods 102 are slidably connected to the side of the movable groove 101. The two ends of the limit rod 102 are respectively fixedly connected to the limit plate 104 and the clamping block 103. A first threaded barrel 105 is fixedly connected to the side of the movable groove 101. The first threaded barrel 105 is fixedly connected to the side of the movable groove 101. The inner thread is connected with a bolt 106, one end of which is fixedly connected with a first rotating shaft 107, which is rotatably connected in a bearing fixedly connected to the side of the clamping block 103, and the clamping block 103 is clamped in the clamping groove 301, and a placing box 108 and a limiting frame 1010 are respectively fixedly connected to the front of the mounting frame 1, and a folding protective cover 109 is fixedly connected to the inner side of the placing box 108, and one end surface of the folding protective cover 109 passes through the limiting frame 1010, and is rotatably connected to two stoppers 1011 through a pin shaft.

[0032] By adopting the above technical solution and setting the foldable protective cover 109, people pull the foldable protective cover 109 to make one end face of the foldable protective cover 109 pass through the limit frame 1010, and rotate the stopper 1011 to fix the position of the foldable protective cover 109, so that people need to protect the surface of the circuit breaker body 3. By setting the bolt 106, people rotate the bolt 106 to disengage the clamping block 103 from the clamping groove 301, and people can remove the circuit breaker body 3 from the mounting frame 1, so that people can repair it.

[0033] See also Figure 1 , Figure 3 and Figure 5 A plurality of wire holes 1012 are provided at the top and bottom of the mounting frame 1, and limiting grooves 1017 are provided on opposite sides of the wire holes 1012. Limiting blocks 1018 are slidably connected inside the limiting grooves 1017, and a clamping block 1016 is fixedly connected between the two limiting blocks 1018. A second threaded cylinder 1013 is fixedly connected to the top of the wire hole 1012, and a threaded rod 1014 is threadedly connected inside the second threaded cylinder 1013. A cross block 1015 and a second rotating shaft 1019 are fixedly connected at both ends of the threaded rod 1014, respectively. The bottom end of the second rotating shaft 1019 is rotatably connected to a bearing fixedly connected to the top of the clamping block 1016, and two mounting plates 2 are fixedly connected to opposite sides of the mounting frame 1.

[0034] By adopting the above technical solution, by setting the cross clamp block 1015 and the wire hole 1012, when connecting the wires of the circuit breaker body 3, people pass the wires through the wire hole 1012 and connect one end of the wire to the circuit breaker body 3. After the connection is completed, people rotate the cross clamp block 1015 to rotate the threaded rod 1014 and the second rotating shaft 1019. Under the limitation of the limit block 1018 and the limit groove 1017, the clamping block 1016 is driven to move and the wire is fixed in the wire hole 1012, so that people can limit and fix the wire.

[0035] The working principle of the utility model is:

[0036] When in use, people install the mounting frame 1 at a suitable position through the mounting plate 2, and then people place the circuit breaker body 3 in the mounting frame 1. After the placement is completed, people rotate the bolt 106 to rotate the first rotating shaft 107. Under the limit of the limit rod 102, the clamping block 103 is pushed to clamp in the clamping groove 301 to fix the circuit breaker body 3 in the mounting frame 1. After the fixing is completed, the device can be used;

[0037] By providing the cross clamping block 1015 and the wire hole 1012, when connecting the wires to the circuit breaker body 3, people pass the wires through the wire hole 1012 and connect one end of the wires to the circuit breaker body 3. After the connection is completed, people rotate the cross clamping block 1015 to rotate the threaded rod 1014 and the second rotating shaft 1019. Under the limitation of the limiting block 1018 and the limiting groove 1017, the clamping block 1016 is driven to move to fix the wires in the wire hole 1012. The fixing is completed.

[0038] By setting the foldable protective cover 109, when people need to protect the surface of the circuit breaker body 3, they pull the foldable protective cover 109 to make one end face of the foldable protective cover 109 pass through the limit frame 1010, and rotate the stopper 1011 to fix the position of the foldable protective cover 109, so as to facilitate people to protect the surface of the circuit breaker body 3.

[0039] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An improved circuit breaker structure, comprising a mounting frame (1), characterized in that: A circuit breaker body (3) is detachably connected inside the mounting frame (1), and clamping grooves (301) are provided on opposite sides of the circuit breaker body (3). A movable groove (101) is provided on opposite sides of the mounting frame (1), and two limit rods (102) are slidably connected to the side of the movable groove (101), and the two ends of the limit rod (102) are respectively fixedly connected to a limit plate (104) and a clamping block (103). A first threaded barrel (105) is fixedly connected to the side of the movable groove (101), and a bolt (106) is threadedly connected inside the first threaded barrel (105). One end of the bolt (106) is fixedly connected to a first rotating shaft (107), and the first rotating shaft (107) is rotatably connected to a bearing fixedly connected to a side of the clamping block (103), and the clamping block (103) is clamped in a clamping groove (301). A placement box (108) and a limit frame (1010) are respectively fixedly connected to the front of the mounting frame (1), and a folding protective cover (109) is fixedly connected to the inner side of the placement box (108), and one end surface of the folding protective cover (109) passes through the limit frame (1010) and is rotatably connected to two stoppers (1011) via a pin shaft.

2. The circuit breaker improvement structure according to claim 1, characterized in that: A plurality of wire holes (1012) are provided at the inner top end and the inner bottom end of the mounting frame (1).

3. The improved circuit breaker structure according to claim 2, characterized in that: Limiting grooves (1017) are provided on opposite sides of the wire hole (1012), and limiting blocks (1018) are slidably connected inside the limiting grooves (1017), and a clamping block (1016) is fixedly connected between the two limiting blocks (1018).

4. The improved circuit breaker structure according to claim 2, characterized in that: A second threaded barrel (1013) is fixedly connected to the top of the inner portion of the wire hole (1012), a threaded rod (1014) is threadedly connected to the inner portion of the second threaded barrel (1013), and a cross block (1015) and a second rotating shaft (1019) are fixedly connected to the two ends of the threaded rod (1014).

5. The improved circuit breaker structure according to claim 4, characterized in that: The bottom end of the second rotating shaft (1019) is rotatably connected to a bearing fixedly connected to the top of the clamping block (1016).

6. The improved circuit breaker structure according to claim 1, characterized in that: Two mounting plates (2) are fixedly connected to opposite sides of the mounting frame (1).

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