Fixed leakage protection circuit breaker

Abstract

The utility model provides a fixed earth leakage protection circuit breaker, which comprises a circuit breaker body and a fixed plate, the front end and the rear end of the circuit breaker body are symmetrically provided with mounting teeth, the upper end face of each mounting tooth is provided with a through hole, the upper end face of the fixed plate is provided with a connecting assembly corresponding to the through hole, and the upper end face of the fixed plate is provided with a through hole. According to the utility model, through the arrangement of the installation teeth and the through holes, the circuit breaker can be conveniently fixed, and through the arrangement of the fixing assemblies, the circuit breaker can be fixed on the guide rail for installation, so that the circuit breaker can be conveniently adjusted according to actual requirements, and the installation is convenient.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of power equipment, in particular to a fixed leakage protection circuit breaker. Background Art

[0002] The leakage protector, referred to as the leakage switch, is also called the leakage circuit breaker. It is mainly used to protect the equipment from leakage faults and personal electric shock that is fatal. It has overload and short-circuit protection functions. It can be used to protect the line or motor from overload and short circuit. It can also be used as an infrequent switching start of the line under normal circumstances. Existing circuit breakers are generally fixed and installed directly by bolts or connected to the guide rails with buckles. Current technology can only be installed in a single way. When installed on the guide rail, it cannot be adjusted and the circuit breaker of the corresponding installation method needs to be replaced. It is not convenient to fix it directly with bolts when connected to the guide rail. Therefore, the installation is not flexible enough.

[0003] For example, the patent with application number 201920131575.5, a leakage protection circuit breaker, which includes: a circuit breaker housing, which accommodates multiple circuit breakers; a leakage protection module; multiple circuit breakers; multiple output terminals; a first cover housing, which is configured to be connected to the circuit breaker housing from below the circuit breaker housing, and the first cover housing includes multiple terminal cavities for respectively holding multiple output terminals and multiple lower side openings for allowing external wires to pass through them to approach the multiple output terminals respectively; and a second cover housing, which is configured to be connected to the circuit breaker housing and the first cover housing from the front to the back, and the second cover housing includes multiple front side openings for allowing operating tools to pass through them to approach the multiple output terminals respectively. The configuration of the leakage protection circuit breaker allows the circuit breaker, the leakage protection module, and the output terminals to be simply and stably assembled into a complete leakage protection circuit breaker.

[0004] The inventor believes that the existing technology cannot adjust the installation method of the circuit breaker according to actual needs, there are still certain limitations in fixing, and the installation is not convenient and flexible enough. Utility Model Content

[0005] The utility model mainly provides a fixed leakage protection circuit breaker to solve the technical problems raised in the above background technology.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A fixed leakage protection circuit breaker comprises a circuit breaker body and a fixing plate, wherein mounting teeth are symmetrically arranged at the front and rear ends of the circuit breaker body, the upper end faces of the mounting teeth are provided with through holes, the upper end face of the fixing plate is provided with a connecting component corresponding to the through holes, and the lower end face of the fixing plate is symmetrically slidably connected with the fixing component front and back.

[0008] Preferably, the fixing assembly includes a fixing block and a threaded rod symmetrically arranged front and back, a sliding groove is symmetrically provided on the lower end surface of the fixing plate, the threaded rod is rotatably connected in the sliding groove, the upper end surface of the fixing block is provided with a slider slidably connected to the sliding groove, the front end surface of the slider is provided with a threaded hole penetrating the slider, and the slider is threadedly connected to the outer wall of the threaded rod through the threaded hole.

[0009] Preferably, through holes are symmetrically arranged in the front and rear of the slide groove, and rotating shafts rotatably connected to the through holes are symmetrically arranged at the front and rear ends of the threaded rod, and the rotating shaft extends out of the slide groove through the through holes.

[0010] Preferably, a rotating handle is installed at one end of the rotating shaft extending into the through hole.

[0011] Preferably, the upper end surface of the fixing block is provided with an inclined surface.

[0012] Preferably, the connecting assembly includes a fixing rod and a latch tooth, the fixing rod is installed on the upper end surface of the fixing plate and corresponds to the through hole, the fixing rod extends into and passes through the through hole, the fixing rod passes through the through hole and a mounting hole is provided on the outer wall, the latch tooth is slidably connected in the mounting hole, a spring is provided in the mounting hole, and both ends of the spring are fixedly connected to the mounting hole and the latch tooth respectively.

[0013] Preferably, guide grooves are symmetrically arranged in the mounting hole, and guide blocks slidably connected to the guide grooves are arranged on the outer wall of the latch teeth.

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

[0015] 1. By setting the mounting teeth and through holes, the circuit breaker can be conveniently fixed, and by setting the fixing components, the circuit breaker can be fixed on the guide rail for installation, so that it is easy to adjust according to actual needs and convenient for installation;

[0016] 2. By setting the fixed block, the slider, the threaded hole, the threaded rod and the slide groove, the fixed blocks can be driven to move closer or farther from each other through the threaded rod, so that the fixed blocks are clamped on the guide rail to achieve fixation, and this clamping method can match guide rails of different sizes;

[0017] 3. By setting a fixing rod, a mounting hole, a spring and a latch tooth, the latch tooth can be pushed out of the mounting hole by the spring, so that after the fixing rod passes through the through hole, the fixing rod is restricted so that the fixing rod cannot be separated from the through hole, thereby realizing the connection between the fixing plate and the mounting tooth.

[0018] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 for Figure 2 A magnified view of area a;

[0022] Figure 4 for Figure 3 Enlarged view of area a.

[0023] In the figure: 1. circuit breaker body; 11. mounting teeth; 12. through hole; 2. fixing plate; 21. slide groove; 22. through hole; 3. connecting assembly; 31. fixing rod; 311. mounting hole; 312. spring; 313. guide groove; 32. latch teeth; 321. guide block; 4. fixing assembly; 41. fixing block; 411. slider; 412. threaded hole; 413. inclined surface; 42. threaded rod; 421. rotating shaft; 422. rotating handle. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Please pay attention to Figures 1 to 4 A fixed leakage protection circuit breaker comprises a circuit breaker body 1 and a fixing plate 2, wherein mounting teeth 11 are symmetrically arranged at the front and rear ends of the circuit breaker body 1, a through hole 12 is arranged at the upper end surface of the mounting teeth 11, a connecting component 3 corresponding to the through hole 12 is arranged at the upper end surface of the fixing plate 2, and a fixing component 4 is symmetrically slidably connected to the lower end surface of the fixing plate 2 in the front and rear directions.

[0027] Specifically, by providing the mounting teeth 11 and the through holes 12, the circuit breaker can be conveniently fixed, and by providing the fixing assembly 4, the circuit breaker can be fixed on the guide rail for installation, thereby facilitating adjustment according to actual needs and facilitating installation.

[0028] Please pay attention to Figures 1 to 3 The fixing assembly 4 includes a fixing block 41 and a threaded rod 42 symmetrically arranged front and back, a slide groove 21 is symmetrically arranged on the lower end surface of the fixing plate 2, and the threaded rod 42 is rotatably connected in the slide groove 21, and a slider 411 is provided on the upper end surface of the fixing block 41 for sliding connection with the slide groove 21, and a threaded hole 412 is provided on the front end surface of the slider 411 for penetrating the slider 411, and the slider 411 is threadedly connected to the outer wall of the threaded rod 42 through the threaded hole 412. By arranging the fixing block 41, the slider 411, the threaded hole 412, the threaded rod 42 and the slide groove 21, the fixing blocks 41 can be driven to move closer to or farther from each other through the threaded rod 42, so that the fixing blocks 41 are clamped on the guide rail for fixing, and by this The clamping method can match guide rails of different sizes. Through holes 22 are symmetrically arranged in the front and rear of the slide groove 21. Rotating shafts 421 rotatably connected to the through holes 22 are symmetrically arranged at the front and rear ends of the threaded rod 42. The rotating shaft 421 extends out of the slide groove 21 through the through hole 22. By setting the through hole 22 and the rotating shaft 421, it is convenient to rotate the threaded rod 42. A rotating handle 422 is installed at one end of the rotating shaft 421 extending into the through hole 22. By setting the rotating handle 422, it is convenient to rotate the rotating rod. The upper end surface of the fixed block 41 is provided with an inclined surface 413. By setting the inclined surface 413, the thickness of the clamping end of the fixed block 41 can be reduced, and the inclined surface 413 can be matched with the shape of the guide rail, thereby facilitating clamping.

[0029] Please pay attention to Figures 1 to 4The connecting assembly 3 includes a fixing rod 31 and a latch 32. The fixing rod 31 is installed on the upper end surface of the fixing plate 2 and corresponds to the through hole 12. The fixing rod 31 extends into the through hole 12 and passes through the through hole 12. The fixing rod 31 passes through the outer wall of the through hole 12 and is provided with a mounting hole 311. The latch 32 is slidably connected in the mounting hole 311. A spring 312 is provided in the mounting hole 311. The two ends of the spring 312 are respectively fixedly connected to the mounting hole 311 and the latch 32. By setting the fixing rod 31, the mounting hole 311, and the spring 31 2 and the latch tooth 32, which can push the latch tooth 32 out of the mounting hole 311 through the spring 312, so that after the fixing rod 31 passes through the through hole 12, the fixing rod 31 is restricted, so that the fixing rod 31 cannot be separated from the through hole 12, thereby realizing the connection between the fixing plate 2 and the mounting tooth 11, and the mounting hole 311 is symmetrically provided with guide grooves 313, and the outer wall of the latch tooth 32 is provided with a guide block 321 slidably connected to the guide groove 313. By setting the guide block 321 and the guide groove 313, the latch tooth 32 can be conveniently connected, and the latch tooth 32 can slide in a directional manner during the extension and retraction process to prevent the spring 312 from being twisted.

[0030] The specific operation mode of the utility model is as follows:

[0031] When in use, the circuit breaker body 1 can be fixed by directly passing bolts through the through hole 12, so that the circuit breaker can be directly installed on the circuit control device by bolts; the fixing plate 2 can also be installed to facilitate connection with the guide rail, and the clamping tooth 32 is pushed into the mounting hole 311, and the spring 312 is compressed by the clamping tooth 32, and then the through hole 12 is aligned with the fixing rod 31 and the fixing rod 31 is passed through the through hole 12. When the clamping tooth 32 gradually enters the through hole 12, the clamping tooth 32 is released. After the fixing rod 31 passes through the through hole 12, the clamping tooth 32 is not restricted, and the spring 312 pushes the clamping tooth 32 out. At this time, the fixing plate 2 is connected with the circuit breaker body 1, and then the rotating handle 422 is rotated clockwise to make the fixing blocks 41 move away from each other, and further the fixing blocks 41 are clamped into the guide rail so that the guide rail is between the fixing blocks 41, and then the rotating handle 422 is rotated counterclockwise to make the fixing blocks 41 close to each other and clamp the outer wall of the guide rail to achieve installation.

[0032] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A fixed leakage protection circuit breaker, comprising a circuit breaker body (1) and a fixing plate (2), characterized in that: The circuit breaker body (1) is symmetrically provided with mounting teeth (11) at the front and rear ends, the upper end surface of the mounting teeth (11) is provided with a through hole (12), the upper end surface of the fixing plate (2) is provided with a connecting component (3) corresponding to the through hole (12), and the lower end surface of the fixing plate (2) is symmetrically slidably connected with a fixing component (4) in the front and rear directions.

2. A fixed leakage protection circuit breaker according to claim 1, characterized in that: The fixing assembly (4) comprises a fixing block (41) and a threaded rod (42) which are symmetrically arranged front and back, a slide groove (21) is symmetrically arranged on the lower end surface of the fixing plate (2), the threaded rod (42) is rotatably connected in the slide groove (21), the upper end surface of the fixing block (41) is provided with a slider (411) which is slidably connected to the slide groove (21), the front end surface of the slider (411) is provided with a threaded hole (412) which penetrates the slider (411), and the slider (411) is threadedly connected to the outer wall of the threaded rod (42) through the threaded hole (412).

3. A fixed leakage protection circuit breaker according to claim 2, characterized in that: The slide groove (21) is symmetrically provided with through holes (22) at the front and rear ends, and the threaded rod (42) is symmetrically provided with rotating shafts (421) rotatably connected to the through holes (22), and the rotating shaft (421) extends out of the slide groove (21) through the through holes (22).

4. A fixed leakage protection circuit breaker according to claim 3, characterized in that: A rotating handle (422) is installed on one end of the rotating shaft (421) extending into the through hole (22).

5. A fixed leakage protection circuit breaker according to claim 2, characterized in that: The upper end surface of the fixing block (41) is provided with an inclined surface (413).

6. A fixed leakage protection circuit breaker according to claim 1, characterized in that: The connecting assembly (3) comprises a fixing rod (31) and a latching tooth (32); the fixing rod (31) is mounted on the upper end surface of the fixing plate (2) and corresponds to the through hole (12); the fixing rod (31) extends into the through hole (12) and passes through the through hole (12); a mounting hole (311) is provided on the outer wall of the through hole (12) through which the fixing rod (31) passes; the latching tooth (32) is slidably connected in the mounting hole (311); a spring (312) is provided in the mounting hole (311); two ends of the spring (312) are respectively fixedly connected to the mounting hole (311) and the latching tooth (32).

7. A fixed leakage protection circuit breaker according to claim 6, characterized in that: The installation hole (311) is symmetrically provided with guide grooves (313), and the outer wall of the latching tooth (32) is provided with a guide block (321) slidably connected to the guide groove (313).

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