Protective circuit breaker

Abstract

The utility model discloses a protective circuit breaker, which belongs to the technical field of circuit breakers and comprises a protective shell, a mounting assembly is arranged on the surface of the protective shell, a first rotating shaft is sleeved on the inner side of the protective shell through a bearing A, and one end of the first rotating shaft is fixedly connected with a first threaded rod. A driving assembly is arranged between the first threaded rod and the protective shell, and the surface of the first threaded rod is in threaded connection with a first threaded sleeve. The protective circuit breaker has the advantages that the driving assembly works to drive the first threaded rod to rotate, so that the first threaded sleeve, the connecting block and the protective plate are driven to move, the protective plate is controlled, and the protective effect of the protective circuit breaker is improved. The interior of the protective shell can be effectively protected conveniently, heat dissipation protection treatment can be carried out on the interior of the protective shell by arranging heat dissipation holes, a drying agent can be conveniently placed by arranging a placement groove, and drying protection treatment can be carried out on air and a body in the protective shell.

Description

Technical Field

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

[0002] A circuit breaker is a switch 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. Circuit breakers are relatively important electrical appliances.

[0003] However, most of the existing circuit breakers have the problems of poor installation and use stability, poor protection and anti-collision effect, poor drying and moisture-proof effect and limited disassembly and assembly efficiency. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a protective circuit breaker, which has the characteristics of high stability in use, good protection and anti-collision effect, high drying and moisture-proof effect and high disassembly and assembly efficiency.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a protective circuit breaker, including a protective shell, a mounting assembly is arranged on the surface of the protective shell, a first rotating shaft is sleeved on the inner side of the protective shell through a bearing A, a first threaded rod is fixedly connected to one end of the first rotating shaft, a driving assembly is arranged between the first threaded rod and the protective shell, a first threaded sleeve is threadedly connected to the surface of the first threaded rod, a connecting block is fixedly connected to the bottom of the first threaded sleeve, a protective plate is fixedly connected to one side of the connecting block, heat dissipation holes are provided on the protective plate and the surface of the protective shell, a placement groove and a cushion are arranged on the inner side of the protective plate, a second threaded sleeve is arranged at the bottom of the protective shell, a second threaded rod is threadedly connected inside the second threaded sleeve, a second knob is fixedly connected to the bottom end of the second threaded rod, a second rotating shaft is fixedly connected to the top end of the second threaded rod, a lower limit plate is sleeved on the second rotating shaft through a bearing B, a body is arranged on the top of the lower limit plate, a switch is arranged on one side of the body, a supporting assembly is arranged between the protective shell and the lower limit plate, a through hole and a limiting groove are provided inside the protective shell, a baffle is slidably connected inside the limiting groove, and a handle is fixedly connected to the surface of the baffle.

[0008] When a protective circuit breaker of the present technical solution is used, the first threaded rod can be driven to rotate by the operation of the driving component, thereby driving the first threaded sleeve, the connecting block and the protective plate to move. By controlling the protective plate, it is convenient to effectively protect the inside of the protective shell. By setting the heat dissipation holes, the inside of the protective shell can be heat-dissipated and protected. By setting the placement groove, it is convenient to place the desiccant, and the air and the body inside the protective shell can be dried and protected. By rotating the second knob, the second threaded rod can be driven to rotate. With the help of the second threaded sleeve, the second knob, the second threaded rod, the second rotating shaft and the lower limit plate can be driven to rise and fall. When rising, it is convenient to clamp and install the body. On the contrary, when descending, it is convenient to disassemble and repair the body. By setting the support component, the lower limit plate can be limited and supported to ensure the stability of the lower limit plate during movement and adjustment. By setting the limiting groove, the baffle can be easily stored. With the help of the handle, the through hole can be conveniently controlled to open and close, thereby facilitating the control of the body.

[0009] Furthermore, an upper limit plate is provided inside the protective shell, and the body is overlapped on the bottom of the upper limit plate.

[0010] Furthermore, a slide groove is provided at the top of the interior of the protective shell, a slider is slidably connected in the slide groove, and the slider is fixedly connected to the bottom of the first threaded sleeve.

[0011] Furthermore, the mounting assembly includes a mounting plate, the mounting plate is fixedly connected to the surface of the protective shell, and a mounting hole is opened inside the mounting plate.

[0012] Furthermore, the driving assembly includes a support rod, the support rod is fixedly connected to one end of the first threaded rod, one end of the support rod is fixedly connected to a first knob, a support sleeve is sleeved on the surface of the support rod, and the support sleeve is arranged inside the protective shell.

[0013] Furthermore, the support assembly includes a connecting sleeve, which is fixedly connected to the bottom of the protective shell. A connecting rod is sleeved inside the connecting sleeve, and the connecting rod is fixedly connected to the bottom of the lower limit plate.

[0014] (III) Beneficial effects

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

[0016] 1. The driving assembly can drive the first threaded rod to rotate, thereby driving the first threaded sleeve, the connecting block and the protective plate to move. By controlling the protective plate, it is convenient to effectively protect the inside of the protective shell. By setting the heat dissipation holes, the inside of the protective shell can be heat-dissipated and protected. By setting the placement groove, it is convenient to place the desiccant, and the air and body inside the protective shell can be dried and protected;

[0017] 2. By rotating the second knob, the second threaded rod can be driven to rotate. With the help of the second threaded sleeve, the second knob, the second threaded rod, the second rotating shaft and the lower limit plate can be driven to rise and fall. When rising, it is convenient to clamp and install the main body. On the contrary, when descending, it is convenient to disassemble and repair the main body. By setting a support assembly, the lower limit plate can be supported in a limited manner to ensure the stability of the lower limit plate during movement and adjustment. By setting a limiting groove, the baffle can be easily stored. With the help of a handle, the through hole can be easily opened and closed, thereby facilitating the control of the main body. 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 This is a front view structural schematic diagram of the utility model;

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

[0021] Figure 3 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the installation components in the utility model;

[0023] Figure 5 It is a structural schematic diagram of the driving component in the utility model;

[0024] Figure 6 It is a structural schematic diagram of the support assembly in the utility model.

[0025] The symbols in the accompanying drawings are:

[0026] 1. Protective shell; 2. Through hole; 3. Switch; 4. Baffle; 5. Handle; 6. Protective plate; 7. Heat dissipation hole; 8. Cushion; 9. Placement slot; 10. Installation assembly; 101. Installation plate; 102. Installation hole; 11. Drive assembly; 111. First knob; 112. Support rod; 113. Support sleeve; 12. Connecting block; 13. First threaded rod; 14. Slide groove; 15. Slider; 16. First threaded sleeve; 17. First rotating shaft; 18. Upper limit plate; 19. Main body; 20. Support assembly; 201. Connecting sleeve; 202. Connecting rod; 21. Second knob; 22. Second threaded rod; 23. Second threaded sleeve; 24. Second rotating shaft; 25. Lower limit plate; 26. Limiting slot. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.

[0028] Example:

[0029] The following is combined with Figure 1-6 The utility model is described in further detail.

[0030] See also Figure 1-6The utility model provides a technical solution: a protective circuit breaker, comprising a protective shell 1, a mounting assembly 10 is arranged on the surface of the protective shell 1, a first rotating shaft 17 is sleeved on the inner side of the protective shell 1 through a bearing A, a first threaded rod 13 is fixedly connected to one end of the first rotating shaft 17, a driving assembly 11 is arranged between the first threaded rod 13 and the protective shell 1, and the driving assembly 11 can drive the first threaded rod 13 to rotate through the operation of the driving assembly 11, thereby driving the first threaded sleeve 16, the connecting block 12 and the protective plate 6 to move, and by controlling the protective plate 6, it is convenient to effectively protect the inside of the protective shell 1, the first A first threaded sleeve 16 is threadedly connected to the surface of a threaded rod 13, and a connecting block 12 is fixedly connected to the bottom of the first threaded sleeve 16. A protective plate 6 is fixedly connected to one side of the connecting block 12. Heat dissipation holes 7 are provided on the surfaces of the protective plate 6 and the protective shell 1. By providing the heat dissipation holes 7, the inside of the protective shell 1 can be heat-dissipated and protected. A placement groove 9 and a cushion 8 are provided on the inner side of the protective plate 6. By providing the placement groove 9, it is convenient to place the desiccant, and the air inside the protective shell 1 and the body 19 can be dry and protected. A second threaded sleeve 23 is provided at the bottom of the protective shell 1. The second threaded sleeve 23 is provided inside The second threaded rod 22 is threadedly connected to the bottom, and the second knob 21 is fixedly connected to the bottom of the second threaded rod 22. By rotating the second knob 21, the second threaded rod 22 can be driven to rotate. With the help of the second threaded sleeve 23, the second knob 21, the second threaded rod 22, the second rotating shaft 24 and the lower limit plate 25 can be driven to rise and fall. When rising, it is convenient to clamp and install the body 19. On the contrary, when descending, it is convenient to disassemble and repair the body 19. The top of the second threaded rod 22 is fixedly connected to the second rotating shaft 24. The second rotating shaft 24 is sleeved with the lower limit plate 25 through the bearing B. The top of the lower limit plate 25 is set There is a main body 19, a switch 3 is arranged on one side of the main body 19, a support assembly 20 is arranged between the protective shell 1 and the lower limit plate 25, by setting the support assembly 20, the lower limit plate 25 can be limited and supported to ensure the stability of the lower limit plate 25 during movement and adjustment, a through hole 2 and a limiting groove 26 are opened inside the protective shell 1, a baffle 4 is slidably connected inside the limiting groove 26, and a handle 5 is fixedly connected to the surface of the baffle 4, by setting the limiting groove 26, the baffle 4 can be conveniently stored, and with the help of the handle 5, the through hole 2 can be conveniently opened and closed, thereby facilitating the control of the main body 19.

[0031] Specifically, an upper limit plate 18 is provided on the inner side of the protective shell 1, and the main body 19 is overlapped on the bottom of the upper limit plate 18. A slide groove 14 is opened on the top of the inner part of the protective shell 1, and a slider 15 is slidably connected in the slide groove 14. The slider 15 is fixedly connected to the bottom of the first threaded sleeve 16.

[0032] By adopting the above technical solution, by providing the upper limit plate 18, the main body 19 can be assisted in clamping, and by providing the slide groove 14 and the slider 15, the first threaded sleeve 16 can be limited and supported.

[0033] Specifically, the mounting assembly 10 includes a mounting plate 101, which is fixedly connected to the surface of the protective shell 1, and a mounting hole 102 is opened inside the mounting plate 101. The driving assembly 11 includes a support rod 112, which is fixedly connected to one end of the first threaded rod 13, and one end of the support rod 112 is fixedly connected to a first knob 111. A support sleeve 113 is sleeved on the surface of the support rod 112, and the support sleeve 113 is arranged inside the protective shell 1.

[0034] By adopting the above technical solution, by setting the mounting plate 101 and the mounting hole 102, the structure can be conveniently positioned and installed. By rotating the first knob 111, the support rod 112 and the first threaded rod 13 can be driven to rotate, which facilitates the control of the first threaded rod 13. By setting the support sleeve 113, the support rod 112 can be sleeved and supported.

[0035] Specifically, the support assembly 20 includes a connecting sleeve 201 , which is fixedly connected to the bottom of the protective shell 1 . A connecting rod 202 is sleeved inside the connecting sleeve 201 , and the connecting rod 202 is fixedly connected to the bottom of the lower limit plate 25 .

[0036] By adopting the above technical solution and providing the connecting sleeve 201 and the connecting rod 202 , the lower limiting plate 25 can be supported in a limiting manner.

[0037] The working principle of the utility model is:

[0038] When the body 19 needs to be used, the body 19 can be placed on the top of the lower limit plate 25 inside the protective shell 1 first, and then the second knob 21 is rotated to drive the second threaded rod 22 to rotate, and the second threaded sleeve 23 is used to drive the second knob 21, the second threaded rod 22, the second rotating shaft 24 and the lower limit plate 25 to rise, and the body 19 is clamped and fixed with the help of the upper limit plate 18. After the body 19 is clamped and fixed, the desiccant can be placed in the placement groove 9. After the placement groove 9 is placed, the driving assembly 11 can be rotated to drive the first threaded rod 13 to rotate, thereby driving the first threaded sleeve 16, the connecting block 12 and the protective plate 6 to move, and the inside of the protective shell 1 is protected with the help of the protective plate 6. Then, the structure is positioned and installed with the help of the installation assembly 10. When the body 19 needs to be used, the handle 5 can be pulled to drive the baffle 4 to be stored in the limiting groove 26, and the use of the body 19 can be controlled with the help of the switch 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. A protective circuit breaker, comprising a protective housing (1), characterized in that: The surface of the protective shell (1) is provided with a mounting assembly (10); the inner side of the protective shell (1) is sleeved with a first rotating shaft (17) via a bearing A; one end of the first rotating shaft (17) is fixedly connected to a first threaded rod (13); a driving assembly (11) is provided between the first threaded rod (13) and the protective shell (1); the surface of the first threaded rod (13) is threadedly connected to a first threaded sleeve (16); the bottom of the first threaded sleeve (16) is fixedly connected to a connecting block (12); one side of the connecting block (12) is fixedly connected to a protective plate (6); the surfaces of the protective plate (6) and the protective shell (1) are provided with heat dissipation holes (7); the inner side of the protective plate (6) is provided with a placement groove (9) and a soft pad (8); A second threaded sleeve (23) is provided at the bottom of the protective shell (1), a second threaded rod (22) is threadedly connected inside the second threaded sleeve (23), a second knob (21) is fixedly connected to the bottom end of the second threaded rod (22), a second rotating shaft (24) is fixedly connected to the top end of the second threaded rod (22), a lower limit plate (25) is sleeved on the second rotating shaft (24) through a bearing B, a body (19) is provided at the top of the lower limit plate (25), a switch (3) is provided on one side of the body (19), a support assembly (20) is provided between the protective shell (1) and the lower limit plate (25), a through hole (2) and a limiting groove (26) are provided inside the protective shell (1), a baffle (4) is slidably connected inside the limiting groove (26), and a handle (5) is fixedly connected to the surface of the baffle (4).

2. A protective circuit breaker according to claim 1, characterized in that: An upper limit plate (18) is arranged inside the protective shell (1), and the body (19) is overlapped on the bottom of the upper limit plate (18).

3. A protective circuit breaker according to claim 1, characterized in that: A slide groove (14) is provided at the top of the interior of the protective shell (1), a slider (15) is slidably connected in the slide groove (14), and the slider (15) is fixedly connected to the bottom of the first threaded sleeve (16).

4. A protective circuit breaker according to claim 1, characterized in that: The mounting assembly (10) comprises a mounting plate (101), the mounting plate (101) being fixedly connected to the surface of the protective shell (1), and a mounting hole (102) is provided inside the mounting plate (101).

5. A protective circuit breaker according to claim 1, characterized in that: The driving assembly (11) comprises a support rod (112), wherein the support rod (112) is fixedly connected to one end of a first threaded rod (13), one end of the support rod (112) is fixedly connected to a first knob (111), a support sleeve (113) is sleeved on the surface of the support rod (112), and the support sleeve (113) is arranged inside the protective shell (1).

6. A protective circuit breaker according to claim 1, characterized in that: The support assembly (20) comprises a connecting sleeve (201), the connecting sleeve (201) is fixedly connected to the bottom of the protective shell (1), a connecting rod (202) is sleeved inside the connecting sleeve (201), and the connecting rod (202) is fixedly connected to the bottom of the lower limit plate (25).

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