Locking device for circuit breaker

Abstract

The utility model relates to the technical field of locking devices, and discloses a locking device for a circuit breaker, which comprises a vertical plate, a locking device adjusting mechanism is arranged on the inner side of the vertical plate, a locking fixing mechanism is arranged outside the locking device adjusting mechanism, the locking device adjusting mechanism comprises a locking adjusting assembly and a locking assembly, and the locking adjusting assembly is connected with the locking fixing mechanism. The locking adjusting assembly is arranged outside the locking assembly. A pushing sliding block is pressed to drive a limiting convex column block to slide outside a limiting sliding rod, the limiting convex column block is separated from the interior of a sliding block, the position of a sliding box outside the sliding block is adjusted, the pushing sliding block is loosened to enable a pushing spring to push the limiting convex column block to enter the sliding box, and the adjusting position of the sliding box is limited; and the sliding direction of the sliding mounting box outside the limiting plate can be adjusted, so that the position of the device can be adjusted conveniently, and the device can be fixed outside the circuit breaker by rotating the screw rod to drive the L-shaped fixing plate to slide inside the fixed sliding box.

Description

Technical Field

[0001] The utility model relates to the technical field of locking devices, and particularly relates to a locking device for a circuit breaker. Background Technique

[0002] The circuit breaker locking device is mainly used to prevent the circuit breaker from being misoperated to ensure the safety of equipment and personnel. Such a locking device usually includes a housing and internal components such as a locking buckle, a detection switch, etc. Its working principle is to keep the circuit breaker in a specific state by locking to prevent it from being accidentally switched on or off.

[0003] In the prior art, when the equipment needs to be repaired or maintained, such a locking device can be used to lock the circuit breaker to prevent someone from misoperating the circuit breaker, thus ensuring the safety of the maintenance personnel. At the same time, this device can also prevent the circuit breaker from being accidentally closed during the production process, thus ensuring normal production activities. Generally, there are multiple circuit breakers together. The prior art is not convenient to adjust according to the position of the circuit breaker, and the operation steps are very cumbersome and inconvenient to use. Therefore, a locking device for a circuit breaker is needed to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a locking device for a circuit breaker to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A locking device for a circuit breaker includes a vertical plate, and a locking device adjusting mechanism is arranged inside the vertical plate, and a locking and fixing mechanism is arranged outside the locking device adjusting mechanism;

[0006] The locking device adjusting mechanism includes a locking adjustment component and a locking component, and the locking adjustment component is arranged outside the locking component.

[0007] Preferably, the locking adjustment component includes a limit plate, the limit plate is fixedly connected to the inside of the vertical plate, the outside of the limit plate is slidably connected to a sliding installation box, the outside of the sliding installation box is fixedly connected to a sliding block, the outside of the sliding block is slidably connected to a sliding box, a two-way limit block is slidably connected to the inside of the sliding box, a spring is arranged between the outside of the two-way limit block and the middle position inside the sliding box, a pushing slider is slidably connected to the inside of the sliding block, a limit sliding rod is fixedly connected to the inside of the sliding block, a limit convex column block is slidably connected to the outside of the limit sliding rod, and a pushing spring is arranged between the outside of the limit convex column block and the middle position inside the sliding block. Due to the arrangement of the limit plate, it is beneficial to provide an installation basis for other components.

[0008] Preferably, through holes are provided at corresponding positions of the sliding block, the two-way limiting block and the limiting convex column block. The limiting convex column block passes through the sliding block and is slidably connected inside the two-way limiting block. Oblique grooves are provided at corresponding positions of the limiting convex column block and the pushing slider. The pushing slider is slidably connected inside the limiting convex column block. Due to the provision of the limiting convex column block, it is beneficial to limit the position of the sliding box.

[0009] Preferably, the locking assembly includes a rotating column which is rotatably connected to the outside of the sliding mounting box. A screw rod is fixedly connected to the outside of the rotating column. A locking plate is threadedly connected to the outside of the screw rod. A limiting rod is fixedly connected inside the sliding mounting box. Due to the provision of the screw rod, it is beneficial to drive the locking plate to slide outside the limiting rod.

[0010] Preferably, through holes are provided at corresponding positions of the locking plate and the limiting rod. The locking plate is slidably connected inside the limiting rod. Grooves are provided at corresponding positions of the limiting plate and the two-way limiting block. The two-way limiting block is movably connected inside the limiting plate. Due to the provision of the two-way limiting block, it is beneficial to limit the position of the sliding mounting box in the limiting plate.

[0011] Preferably, the locking and fixing mechanism includes a fixed sliding box. A rotating screw rod is rotatably connected inside the fixed sliding box. An L-shaped fixing plate is connected to the outside of the rotating screw rod. Due to the provision of the rotating screw rod, it is beneficial to drive the L-shaped fixing plate to slide inside the fixed sliding box.

[0012] Preferably, sliding grooves are provided at corresponding positions of the fixed sliding box and the L-shaped fixing plate. The L-shaped fixing plate is slidably connected inside the fixed sliding box. Due to the provision of the L-shaped fixing plate, it is beneficial to fix the device at the place where it is needed.

[0013] Compared with the prior art, the present utility model provides a locking device for a circuit breaker, which has the following beneficial effects:

[0014] 1. For the locking device for the circuit breaker, by providing a locking adjustment component and a locking component in the locking device adjustment mechanism, the locking adjustment component is arranged outside the locking component. By pressing the pushing slider, the limiting convex column block is driven to slide outside the limiting sliding rod and disengaged from the inside of the sliding block, so as to adjust the position of the sliding box outside the sliding block. When the pushing slider is released, the pushing spring pushes the limiting convex column block into the inside of the sliding box to limit the adjusted position of the sliding box, which is beneficial to adjusting the sliding direction of the sliding mounting box outside the limiting plate, thus facilitating the adjustment of the position of the device.

[0015] 2. For the locking device for the circuit breaker, by using the locking and fixing mechanism in cooperation with the locking device adjustment mechanism, by rotating the screw rod, the L-shaped fixing plate is driven to slide inside the fixed sliding box, which is beneficial to fixing the device outside the circuit breaker. Brief Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings:

[0017] Figure 1 is a schematic structural diagram of the external appearance of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the locking device adjusting mechanism of the present utility model;

[0019] Figure 3 is a schematic structural diagram of the locking adjustment assembly of the locking device adjusting mechanism of the present utility model;

[0020] Figure 4 is a schematic structural diagram of some components of the locking adjustment assembly of the locking device adjusting mechanism of the present utility model;

[0021] Figure 5 is the Figure 4 schematic enlarged structural diagram at position A;

[0022] Figure 6 is a schematic structural diagram of the locking component of the locking device adjusting mechanism of the present utility model;

[0023] Figure 7 is a schematic structural diagram of the locking fixing mechanism of the present utility model.

[0024] In the figure: 1, vertical plate; 2, locking device adjusting mechanism; 21, locking adjustment assembly; 211, limiting plate; 212, sliding mounting box; 213, sliding block; 214, sliding box; 215, spring; 216, bidirectional limiting block; 217, pushing slider; 218, limiting sliding rod; 219, limiting convex column block; 2110, pushing spring; 22, locking component; 221, rotating column; 222, screw rod; 223, limiting rod; 224, locking plate; 3, locking fixing mechanism; 31, fixed sliding box; 32, rotating screw rod; 33, L-shaped fixing plate. Detailed Description of the Preferred Embodiments

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

[0026] In the present utility model, unless otherwise clearly specified and defined, terms such as "installation", "connection", "linkage", "fixation", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Embodiment 1:

[0028] Please refer to Figure 1-7 , the present utility model provides a technical solution: a locking device for a circuit breaker, including a vertical plate 1, a locking device adjustment mechanism 2 is arranged inside the vertical plate 1, and a locking and fixing mechanism 3 is arranged outside the locking device adjustment mechanism 2;

[0029] The locking device adjustment mechanism 2 includes a locking adjustment component 21 and a locking component 22, and the locking adjustment component 21 is arranged outside the locking component 22.

[0030] Furthermore, the locking adjustment component 21 includes a limit plate 211, the limit plate 211 is fixedly connected to the inside of the vertical plate 1, the outside of the limit plate 211 is slidably connected to a sliding installation box 212, a sliding block 213 is fixedly connected to the outside of the sliding installation box 212, the outside of the sliding block 213 is slidably connected to a sliding box 214, a two-way limit block 216 is slidably connected to the inside of the sliding box 214, a spring 215 is arranged between the outside of the two-way limit block 216 and the middle position inside the sliding box 214, a push slider 217 is slidably connected to the inside of the sliding block 213, a limit sliding rod 218 is fixedly connected to the inside of the sliding block 213, a limit convex column block 219 is slidably connected to the outside of the limit sliding rod 218, and a push spring 2110 is arranged between the outside of the limit convex column block 219 and the middle position inside the sliding block 213. Due to the arrangement of the limit plate 211, it is beneficial to provide an installation basis for other components.

[0031] Furthermore, through holes are provided at the corresponding positions of the sliding block 213, the two-way limit block 216 and the limit convex column block 219. The limit convex column block 219 penetrates through the sliding block 213 and is slidably connected to the inside of the two-way limit block 216. Oblique slots are provided at the corresponding positions of the limit convex column block 219 and the push slider 217. The push slider 217 is slidably connected to the inside of the limit convex column block 219. Due to the arrangement of the limit convex column block 219, it is beneficial to limit the position of the sliding box 214.

[0032] Further, the locking assembly 22 includes a rotating column 221 which is rotatably connected to the outside of the sliding mounting box 212. A screw rod 222 is fixedly connected to the outside of the rotating column 221. A locking plate 224 is threadedly connected to the outside of the screw rod 222. A limiting rod 223 is fixedly connected to the inside of the sliding mounting box 212. Due to the arrangement of the screw rod 222, it is beneficial to drive the locking plate 224 to slide outside the limiting rod 223.

[0033] Further, through holes are formed at the corresponding positions of the locking plate 224 and the limiting rod 223. The locking plate 224 is slidably connected to the inside of the limiting rod 223. Grooves are formed at the corresponding positions of the limiting plate 211 and the bidirectional limiting block 216. The bidirectional limiting block 216 is movably connected to the inside of the limiting plate 211. Due to the arrangement of the bidirectional limiting block 216, it is beneficial to limit the position of the sliding mounting box 212 on the limiting plate 211.

[0034] Embodiment 2:

[0035] Please refer to Figure 7 , and in combination with Embodiment 1, it is further obtained that the locking and fixing mechanism 3 includes a fixed sliding box 31. A rotating screw rod 32 is rotatably connected to the inside of the fixed sliding box 31. An L-shaped fixing plate 33 is connected to the outside of the rotating screw rod 32. Due to the arrangement of the rotating screw rod 32, it is beneficial to drive the L-shaped fixing plate 33 to slide inside the fixed sliding box 31.

[0036] Further, sliding grooves are formed at the corresponding positions of the fixed sliding box 31 and the L-shaped fixing plate 33. The L-shaped fixing plate 33 is slidably connected to the inside of the fixed sliding box 31. Due to the arrangement of the L-shaped fixing plate 33, it is beneficial to fix the device at the place where it is needed.

[0037] During the actual operation process, when this device is in use, first, adjust the position of the fixed sliding box 31 inside the limit plate 211 according to the size of the circuit breaker. By pressing the push slider 217, drive the limit convex column block 219 to slide outside the limit sliding rod 218, so that the limit convex column block 219 disengages from the inside of the sliding box 214, enabling the sliding box 214 to slide outside the sliding block 213 to adjust the position of the bidirectional limit block 216 inside the limit plate 211. By releasing the push slider 217, the push spring 2110 pushes the limit convex column block 219 back into the inside of the sliding box 214 to fix the position of the sliding box 214 sliding outside the sliding block 213. When the sliding installation box 212 drives the sliding box 214 outside the sliding block 213 to slide outside the limit plate 211, the bidirectional limit block 216 controls the sliding direction of the sliding installation box 212 outside the limit plate 211 according to the position change, so as to adjust according to the position of the circuit breaker. By rotating the rotating screw 32, drive the L-shaped fixing plate 33 to slide inside the fixed sliding box 31, so that the L-shaped fixing plate 33 fixes the limit plate 211 outside the circuit breaker. At this time, the sliding installation box 212 is aligned with the circuit breaker. By rotating the rotating column 221, drive the locking plate 224 outside the screw 222 to slide inside the limit rod 223, so that the locking plate 224 locks the circuit breaker.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

Claims

1. A locking device for a circuit breaker, comprising a vertical plate (1), characterized in that: An adjusting mechanism (2) for a locking device is provided inside the vertical plate (1), and a locking and fixing mechanism (3) is provided outside the adjusting mechanism (2) for the locking device; The adjusting mechanism (2) for the locking device includes a locking adjustment component (21) and a locking component (22), and the locking adjustment component (21) is provided outside the locking component (22).

2. The locking device for a circuit breaker according to claim 1, characterized in that: The locking adjustment component (21) includes a limiting plate (211), the limiting plate (211) is fixedly connected to the inside of the vertical plate (1), the outside of the limiting plate (211) is slidably connected to a sliding installation box (212), a sliding block (213) is fixedly connected to the outside of the sliding installation box (212), the outside of the sliding block (213) is slidably connected to a sliding box (214), a bidirectional limiting block (216) is slidably connected to the inside of the sliding box (214), a spring (215) is provided between the outside of the bidirectional limiting block (216) and the middle position inside the sliding box (214), a pushing slider (217) is slidably connected to the inside of the sliding block (213), a limiting sliding rod (218) is fixedly connected to the inside of the sliding block (213), a limiting convex column block (219) is slidably connected to the outside of the limiting sliding rod (218), and a pushing spring (2110) is provided between the outside of the limiting convex column block (219) and the middle position inside the sliding block (213).

3. The locking device for a circuit breaker according to claim 2, characterized in that: Through holes are provided at corresponding positions of the sliding block (213), the bidirectional limiting block (216) and the limiting convex column block (219), the limiting convex column block (219) passes through the sliding block (213) and is slidably connected to the inside of the bidirectional limiting block (216), inclined grooves are provided at corresponding positions of the limiting convex column block (219) and the pushing slider (217), and the pushing slider (217) is slidably connected to the inside of the limiting convex column block (219).

4. The locking device for a circuit breaker according to claim 2, characterized in that: The locking component (22) includes a rotating column (221), the rotating column (221) is rotatably connected to the outside of the sliding installation box (212), a screw rod (222) is fixedly connected to the outside of the rotating column (221), and a locking plate (224) is threadedly connected to the outside of the screw rod (222), and a limiting rod (223) is fixedly connected to the inside of the sliding installation box (212).

5. The locking device for a circuit breaker according to claim 4, characterized in that: Through holes are provided at corresponding positions of the locking plate (224) and the limiting rod (223), the locking plate (224) is slidably connected to the inside of the limiting rod (223), grooves are provided at corresponding positions of the limiting plate (211) and the bidirectional limiting block (216), and the bidirectional limiting block (216) is movably connected to the inside of the limiting plate (211).

6. The locking device for a circuit breaker according to claim 4, characterized in that: The locking and fixing mechanism (3) includes a fixed sliding box (31), a rotating screw rod (32) is rotatably connected to the inside of the fixed sliding box (31), and an L-shaped fixing plate (33) is connected to the outside of the rotating screw rod (32).

7. The locking device for a circuit breaker according to claim 6, characterized in that: Chute grooves are provided at corresponding positions of the fixed sliding box (31) and the L-shaped fixing plate (33), and the L-shaped fixing plate (33) is slidably connected to the inside of the fixed sliding box (31).

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