Power circuit breaker convenient to overhaul

Abstract

The utility model discloses a power circuit breaker convenient for maintenance, a flame-retardant plate is fixedly connected to the rear side of the circuit breaker, the rear side of the flame-retardant plate is provided with a mounting plate, the left side and the right side of the inner side of the mounting plate are both fixedly connected with supporting plates, the left side of each supporting plate is fixedly connected with a connecting shaft, and the connecting shaft is fixedly connected with a rotating shaft. And movable grooves are formed in the left side and the right side of the mounting plate correspondingly, sliding grooves are formed in the tops and the bottoms of the inner sides of the movable grooves correspondingly, and dismounting assemblies are movably connected into the sliding grooves. According to the utility model, the problems that the difficulty of regular maintenance and overhaul of the circuit breaker is increased and the working efficiency is reduced due to the absence of a quick disassembly structure, and the continuity of power supply is influenced due to long-time power failure during maintenance due to inconvenience in installation, disassembly and maintenance are solved, and the device has the advantage of auxiliary installation.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical maintenance, in particular to a power circuit breaker which is convenient for maintenance. Background Art

[0002] A circuit breaker is a switching device that can close, carry and disconnect current under normal circuit conditions, and close, carry and disconnect current under abnormal circuit conditions (including short circuit conditions) within a specified time. It is mainly used to cut off and connect circuits, and control motors that are not frequently started. It is widely used in the fields of home, industry, and electricity, and can ensure the safe operation of circuits and equipment, and improve the quality of production and life.

[0003] For example, application number CN201920885415.X The utility model discloses an electric circuit breaker with good flame retardant effect, which belongs to the technical field of circuit breakers, including a circuit breaker body, the front wall of the circuit breaker body is rotatably connected with an insulating handle, two clamping blocks are arranged on both sides of the inner wall of the circuit breaker body, four of the clamping blocks are provided with clamping slots, and flame retardant plates are clamped and connected between the four clamping slots, and a wiring terminal is arranged on the top of the circuit breaker body, and a fixing block is arranged above the circuit breaker body, and a fixing pin is screwed and connected on the fixing block. The electric circuit breaker is provided with a fixing pin and a fixing block, and the fixing block plays the role of installing the fixing pin. The fixing pin can be screwed in so that the fixing pin is pressed on the wiring terminal to avoid the thermal effect of the current after a period of operation, which makes the wiring terminal screws loose. If the wiring terminal is not tightened in time, it is easy to cause the wiring terminal to heat up and burn.

[0004] Based on the search of the above patents and in combination with the equipment in the prior art, it is found that although the above equipment can solve the problems of the existing power circuit breaker, due to the thermal effect of the current after running for a period of time, the terminal screws become loose, and the terminal is not tightened in time, which may easily cause the terminal to heat up and burn, and the flame retardant effect of the power circuit breaker is not good, which may easily cause unnecessary safety accidents. However, during use, due to the lack of a quick disassembly structure, the difficulty of regular maintenance and overhaul of the circuit breaker increases, reducing work efficiency, and due to the inconvenience of installation, disassembly and maintenance, it will also cause long power outages during maintenance, affecting the continuity of power supply. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a power circuit breaker that is easy to maintain and has the advantage of auxiliary disassembly, and solves the problem that the lack of a quick disassembly structure leads to increased difficulty in regular maintenance and repair of the circuit breaker, reduces work efficiency, and also causes long power outages during maintenance due to the inconvenience of installation, disassembly and maintenance, affecting the continuity of power supply.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric circuit breaker that is easy to maintain, the flame retardant plate is fixedly connected to the rear side of the circuit breaker, a mounting plate is arranged on the rear side of the flame retardant plate, support plates are fixedly connected to the left and right sides of the inner side of the mounting plate, a connecting shaft is fixedly connected to the left side of the support plate, movable grooves are provided on the left and right sides of the mounting plate, slide grooves are provided on the top and bottom of the inner side of the movable groove, and a disassembly component is movably connected inside the slide groove.

[0007] As a preferred embodiment of the utility model, the disassembly assembly includes a bar block, the top and bottom of the inner side of the bar block are movably connected to a connecting rod through an axle pin, the bottom of the connecting rod is movably connected to a mounting cylinder, the right side of the connecting rod is movably connected to a first fixed block through an axle pin, and the rear side of the circuit breaker is fixedly connected to a second fixed block.

[0008] As a preferred embodiment of the utility model, the tops of the first fixed block and the second fixed block are fixedly connected with rubber sleeves, the tops of the first fixed block and the second fixed block are movably connected with pulleys, the top and bottom of the inner side of the mounting plate and the top and bottom of the support plate are provided with pulley grooves, and the pulleys are movably connected to the pulley grooves.

[0009] As a preferred embodiment of the utility model, a rubber anti-slip strip is fixedly connected to the outer side of the strip block.

[0010] As a preferred embodiment of the utility model, the top and bottom of the strip blocks on both sides are fixedly connected to limit strips, the inner side of the strip blocks is fixedly connected to a spring, two springs are provided, and the right end of the spring is fixedly connected to the left side of the support plate.

[0011] As a preferred embodiment of the utility model, telescopic rods are provided inside the springs on both sides, and the left end of the telescopic rod is fixedly connected to the right side of the strip block.

[0012] As a preferred embodiment of the present invention, both the left and right sides of the circuit breaker are fixedly connected with adjustment plates via shaft pins, and the outer sides of the adjustment plates are fixedly connected with rubber pads.

[0013] As a preferred embodiment of the present invention, mounting ears are fixedly connected to both sides of the top and bottom of the mounting plate, and threaded holes are provided on the front sides of the mounting ears.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a disassembly device so that the disassembly head can quickly install or disassemble the circuit breaker, thereby solving the problem that the need for regular maintenance and overhaul of the circuit breaker increases difficulty and reduces work efficiency due to the lack of a quick disassembly structure. In addition, the inconvenience of installation, disassembly and maintenance will also cause long power outages during maintenance, affecting the continuity of power supply, and has the advantage of auxiliary installation.

[0016] 2. The utility model provides a disassembly assembly so that when the bar block is pressed inward, the connecting rod can be driven to rotate at the top of the connecting shaft, and the top of the connecting rod is driven to move outward after the rotation, so that the first fixing block is separated from the second fixing block to remove the circuit breaker, and then the rubber sleeve, the pulley and the pulley groove are provided so that the rubber sleeve can reduce the gap between the first fixing block and the second fixing block, so that the circuit breaker is more stable during installation, and then the roller skates slide inside the roller skates, so that the first fixing block is more stable when opened or closed, thereby saving the operator's strength during installation.

[0017] 2. The utility model provides a rubber anti-slip strip to prevent fingers from sliding when pressing, thereby improving the accuracy of the operator's operation, and then provides a limit strip and a spring so that the limit strip can limit the operating range of the bar block to prevent damage caused by excessive pressing or exceeding the limited range, thereby increasing the service life of the bar block. When the operator releases the bar block through the limit spring, the bar block is restored to its original position, thereby improving tactile feedback and enhancing the operator's experience when using it. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional explosion structure of the disassembly component of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional explosion structure of this practical pulley.

[0021] In the figure: 1. Circuit breaker; 2. Flame retardant plate; 3. Mounting plate; 4. Support plate; 5. Connecting shaft; 6. Slide groove; 7. Movable groove; 8. Disassembly assembly; 81. Bar block; 82. Connecting rod; 83. Mounting cylinder; 84. First fixed block; 85. Second fixed block; 9. Rubber sleeve; 10. Pulley; 11. Pulley groove; 12. Rubber anti-slip strip; 13. Limiting strip; 14. Spring; 15. Telescopic rod; 16. Adjustment plate; 17. Rubber pad; 18. Mounting ear; 19. Threaded hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 3 As shown, the utility model provides an electric circuit breaker that is easy to maintain, wherein a flame retardant plate 2 is fixedly connected to the rear side of the circuit breaker 1, a mounting plate 3 is arranged on the rear side of the flame retardant plate 2, a support plate 4 is fixedly connected to the left and right sides of the inner side of the mounting plate 3, a connecting shaft 5 is fixedly connected to the left side of the support plate 4, movable grooves 7 are provided on the left and right sides of the mounting plate 3, slide grooves 6 are provided on the top and bottom of the inner side of the movable groove 7, and a disassembly component 8 is movably connected inside the slide groove 6.

[0024] refer to Figure 2 The disassembly assembly 8 includes a bar block 81, the top and bottom of the inner side of the bar block 81 are movably connected to a connecting rod 82 through an axle pin, the bottom of the connecting rod 82 is movably connected to a mounting cylinder 83, the right side of the connecting rod 82 is movably connected to a first fixed block 84 through an axle pin, and the rear side of the circuit breaker 1 is fixedly connected to a second fixed block 85.

[0025] As a technical optimization solution of the utility model, by setting a disassembly component 8, when the bar block 81 is pressed inward, it can drive the connecting rod 82 to rotate on the top of the connecting shaft 5, so that the top end of the connecting rod 82 rotates and drives the first fixed block 84 to move outward, thereby separating the first fixed block 84 from the second fixed block 85 to remove the circuit breaker 1.

[0026] refer to Figure 2 The tops of the first fixed block 84 and the second fixed block 85 are fixedly connected with rubber sleeves 9, the tops of the first fixed block 84 and the second fixed block 85 are movably connected with pulleys 10, the top and bottom of the inner side of the mounting plate 3 and the top and bottom of the support plate 4 are provided with pulley grooves 11, and the pulleys 10 are movably connected with the pulley grooves 11.

[0027] As a technical optimization solution of the utility model, by providing the rubber sleeve 9, the pulley 10 and the pulley 10 groove, the rubber sleeve 9 can reduce the gap between the first fixed block 84 and the second fixed block 85, so that the circuit breaker 1 is more stable during installation, and then the roller skate 10 slides inside the roller skate groove 11, so that the first fixed block 84 is more stable when opened or closed, thereby saving the operator's strength during installation.

[0028] refer to Figure 2 A rubber anti-slip strip 12 is fixedly connected to the outer side of the strip block 81 .

[0029] As a technical optimization solution of the utility model, by providing the rubber anti-skid strip 12, the rubber anti-skid strip 12 can prevent the fingers from sliding when pressing, thereby improving the accuracy of the operator's operation.

[0030] refer to Figure 2 The top and bottom of the strip blocks 81 on both sides are fixedly connected to the limit strips 13, and the inner side of the strip blocks 81 is fixedly connected to a spring 14. Two springs 14 are provided, and the right end of the spring 14 is fixedly connected to the left side of the support plate 4.

[0031] As a technical optimization solution of the utility model, by setting a limit bar 13 and a spring 14, the limit bar 13 can limit the operating range of the bar block 81 to prevent damage caused by excessive pressing or exceeding the limited range, thereby increasing the service life of the bar block 81. When the operator releases the limit spring 14, the bar block 81 is restored to its original position, thereby improving tactile feedback and enhancing the operator's experience when using it.

[0032] refer to Figure 2 A telescopic rod 15 is provided inside the springs 14 on both sides, and the left end of the telescopic rod 15 is fixedly connected to the right side of the strip block 81.

[0033] As a technical optimization solution of the utility model, by setting the telescopic rod 15, the telescopic rod 15 can keep the spring 14 stable at different heights, preventing the spring 14 from getting stuck and affecting the normal use of the equipment, thereby improving the stability of the spring 14 when working.

[0034] refer to Figure 1 The left and right sides of the circuit breaker 1 are fixedly connected with an adjustment plate 16 through an axle pin, and the outer side of the adjustment plate 16 is fixedly connected with a rubber pad 17.

[0035] As a technical optimization solution of the utility model, by providing the adjustment plate 16 and the rubber pad 17, the adjustment plate 16 can provide support for the hand and reduce the shaking during operation, and the anti-slip rubber pad 17 can increase the friction, thereby preventing the risk of the circuit breaker 1 falling off from the hand during installation, thereby ensuring the accuracy and efficiency of the operation.

[0036] refer to Figure 1 The top and bottom sides of the mounting plate 3 are fixedly connected with mounting ears 18 , and the front side of the mounting ears 18 is provided with threaded holes 19 .

[0037] As a technical optimization solution of the utility model, by providing the mounting ears 18 and the threaded holes 19, the mounting plate 3 can be installed more stably through the mounting ears 18 and the threaded holes 19, thereby improving the practicability of the equipment.

[0038] The working principle and use process of the utility model are as follows: when installation is required, the second fixing block 85 at the rear side of the circuit breaker 1 is connected to the first fixing block 84. When it is required to be removed, the strip block 81 is pressed down, so that the strip block 81 moves and the connecting rod 82 rotates on the top of the connecting shaft 5. After the connecting rod 82 rotates, it can drive the first fixing block 84 to move outward, so that the second fixing block 85 can be separated from the first fixing block 84, thereby facilitating the operator to remove the circuit breaker 1 and achieving the effect of auxiliary maintenance.

[0039] In summary, the power circuit breaker that is easy to maintain, by providing a disassembly assembly 8, enables the first fixed block 83 to quickly install or disassemble the circuit breaker 1, thereby solving the problem that the need for regular maintenance and repair of the circuit breaker increases the difficulty and reduces the work efficiency due to the lack of a quick disassembly structure. In addition, due to the inconvenience of installation, disassembly and maintenance, it will also cause a long power outage during maintenance, affecting the continuity of power supply, and has the advantage of auxiliary installation.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power circuit breaker that is easy to maintain, comprising a circuit breaker (1) and a flame retardant plate (2), characterized in that: The flame retardant plate (2) is fixedly connected to the rear side of the circuit breaker (1); a mounting plate (3) is arranged on the rear side of the flame retardant plate (2); a support plate (4) is fixedly connected to the left and right sides of the inner side of the mounting plate (3); a connecting shaft (5) is fixedly connected to the left side of the support plate (4); a movable groove (7) is provided on the left and right sides of the mounting plate (3); a slide groove (6) is provided on the top and bottom of the inner side of the movable groove (7); and a disassembly component (8) is movably connected inside the slide groove (6).

2. The power circuit breaker that is easy to maintain according to claim 1 is characterized in that: The disassembly assembly (8) comprises a bar block (81), the top and bottom of the inner side of the bar block (81) are both movably connected to a connecting rod (82) via an axle pin, the bottom of the connecting rod (82) is movably connected to a mounting cylinder (83), the right side of the connecting rod (82) is movably connected to a first fixed block (84) via an axle pin, and the rear side of the circuit breaker (1) is fixedly connected to a second fixed block (85).

3. The power circuit breaker that is easy to maintain according to claim 2 is characterized in that: The tops of the first fixing block (84) and the second fixing block (85) are fixedly connected with a rubber sleeve (9), the tops of the first fixing block (84) and the second fixing block (85) are movably connected with a pulley (10), the inner side of the mounting plate (3) and the outer side of the support plate (4) are provided with a pulley groove (11), and the pulley (10) is movably connected with the pulley groove (11).

4. The power circuit breaker that is easy to maintain according to claim 2 is characterized in that: A rubber anti-slip strip (12) is fixedly connected to the outer side of the strip block (81).

5. The power circuit breaker that is easy to maintain according to claim 2, characterized in that: The top and bottom of the strip blocks (81) on both sides are fixedly connected to limit bars (13), and the inner side of the strip blocks (81) is fixedly connected to a spring (14), two springs (14) are provided, and the right end of the spring (14) is fixedly connected to the left side of the support plate (4).

6. The power circuit breaker convenient for maintenance according to claim 5, characterized in that: A telescopic rod (15) is provided inside the springs (14) on both sides, and the left end of the telescopic rod (15) is fixedly connected to the right side of the strip block (81).

7. The power circuit breaker convenient for maintenance according to claim 1, characterized in that: The left side and the right side of the circuit breaker (1) are both fixedly connected to an adjustment plate (16) via an axle pin, and the outer side of the adjustment plate (16) is fixedly connected to a rubber pad (17).

8. The power circuit breaker convenient for maintenance according to claim 1, characterized in that: Mounting ears (18) are fixedly connected to both sides of the top and bottom of the mounting plate (3), and a threaded hole (19) is provided on the front side of the mounting ear (18).

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