CN218004756U - Quick locking device of circuit breaker - Google Patents

Abstract

The utility model discloses a quick locking device of circuit breaker, the centre of linkage plate is run through and is provided with the function box, a plurality of spacing holes have all been seted up to the front end left and right sides of function box, the inner chamber back wall left and right sides of function box is the fixed spout that is provided with all, the utility model relates to a circuit breaker technical field. This quick locking device of circuit breaker, through the spout, a spring, mutually support between peg and the lockplate, when the position of lockplate is adjusted to needs, only need handheld handle to press the lockplate in to the function box, relieve the locking between peg and the spacing hole, can promote lockplate to required height from top to bottom, handle to on the circuit breaker carries out spacing locking, locking efficiency is high, the assembly is simple, the cost of manufacture is reduced, through mutually supporting between first locking plate subassembly and the second locking plate subassembly, can not only effectively prevent that the handle mistake from upwards jumping, can also prevent that the handle mistake from downwards jumping, satisfy the user demand.

Description

Quick locking device of circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field specifically is a quick locking device of circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening a current under a normal circuit condition, and closing, carrying, and opening a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-low voltage boundary line is divided more vaguely, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The breaker can be used to distribute electric energy, start asynchronous motor infrequently, protect power supply circuit and motor, and automatically cut off circuit when they have serious overload or short circuit and undervoltage faults, and it is equivalent to the combination of fuse switch and over-and-under-heat relay. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used. Distribution of electricity is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large use amount. In the circuit breaker, the swing handle can realize the connection and disconnection of the circuit breaker, and in the practical application process, in order to prevent the circuit breaker from being carelessly operated by mistake and avoid influencing the connection and disconnection of the circuit breaker and the life safety of maintenance personnel, the handle is usually locked by using a handle locking device.

The locking device of the existing circuit breaker is difficult to quickly adjust the position of the locking plate in the using process, so that the handle is locked slowly, the defects of complex assembly, complex structure and high manufacturing cost exist, the requirement cannot be met, the practicability is poor, and a large improvement space is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a quick locking device of circuit breaker has solved the in-process that uses and is difficult to the position of quick adjustment lockplate, leads to slower to the locking of handle, has the defect that the assembly is loaded down with trivial details, the structure is complicated and the cost of manufacture is high, can't satisfy the demand, problem that the practicality is poor.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a quick locking device of circuit breaker, includes the linkage plate, it is provided with the function box to run through in the centre of linkage plate, a plurality of spacing holes have all been seted up to the front end left and right sides of function box, the inner chamber back wall left and right sides of function box is all fixed and is provided with the spout, two it is provided with first locking plate subassembly, two to slide between the spout to slide and be provided with second locking plate subassembly, first locking plate subassembly includes two sliders, two the front end of slider is all fixed to be provided with the section of thick bamboo that holds that runs through the spout front end, the inside slip of holding a section of thick bamboo is provided with adjusts a section of thick bamboo, the fixed linking post that is provided with of inner chamber back wall of holding a section of thick bamboo, the outside cover of linking post is equipped with the spring, the fixed spliced pole that is provided with of adjusting the front end of a section of thick bamboo, two the one side rear end that spliced pole is close to each other all fixedly is provided with carrier block, two the fixed lockplate that is provided with between the carrier block.

Preferably, bolts are connected to four corners of the connecting plate in a threaded manner, and the second locking plate assembly is located below the first locking plate assembly.

Preferably, the two sliding blocks slide in the two sliding grooves respectively, and the front end of the adjusting cylinder penetrates through the front wall of the accommodating cylinder.

Preferably, the spring is fixedly connected between the rear wall of the inner cavity of the accommodating barrel and the front wall of the inner cavity of the adjusting barrel.

Preferably, the insertion rod penetrates through the inside of one limiting hole on one adjacent side, and the front end of the locking plate penetrates through the front part of the function box.

Preferably, a handle is fixedly arranged in the middle of the front end of the locking plate, and the first locking plate assembly and the second locking plate assembly are completely identical.

Advantageous effects

The utility model provides a quick locking device of circuit breaker. Compared with the prior art, the method has the following beneficial effects:

(1) The quick locking device of the circuit breaker is characterized in that a function box is arranged in the middle of a connecting plate in a penetrating mode, a plurality of limiting holes are formed in the left side and the right side of the front end of the function box, sliding grooves are formed in the left side and the right side of the inner cavity rear wall of the function box, a first locking plate assembly is arranged between the two sliding grooves in a sliding mode, the first locking plate assembly comprises two sliding blocks, a containing barrel which penetrates through the front ends of the sliding grooves is fixedly arranged at the front ends of the two sliding blocks, an adjusting barrel is arranged inside the containing barrel in a sliding mode, a connecting column is fixedly arranged on the inner cavity rear wall of the containing barrel, a spring is sleeved outside the connecting column, an inserting rod is fixedly arranged at the front end of the adjusting barrel, bearing blocks are fixedly arranged at the rear ends of one side, close to each other, a locking plate is fixedly arranged between the two bearing blocks, the locking plate is arranged through the sliding grooves, the spring and the connecting column and the locking plate are matched with each other, when the position of the locking plate needs to be adjusted, the locking plate is pressed into the function box by only holding a handle, locking plate, locking between the inserting rod and the limiting holes is released, the locking plate can be pushed to the required height up and down, the locking plate is locked on the handle, the circuit breaker, the locking plate is high locking efficiency and simple assembly, and the manufacturing cost is reduced.

(2) The quick locking device of the circuit breaker is characterized in that a second locking plate component is arranged between the two sliding grooves in a sliding mode, the insertion rod penetrates through the inside of one limiting hole in one adjacent side, the front end of the locking plate penetrates through the front portion of the function box, a handle is fixedly arranged in the middle of the front end of the locking plate, the first locking plate component and the second locking plate component are identical, the first locking plate component and the second locking plate component are matched with each other, the handle can be effectively prevented from mistakenly jumping upwards, the handle can be prevented from mistakenly jumping downwards, the using requirement is met, and the practicability is high.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a top sectional view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a connection plate; 2. a bolt; 3. a function box; 4. a limiting hole; 5. a chute; 6. a first locking plate assembly; 61. a slider; 62. a receiving cylinder; 63. an adjusting cylinder; 64. connecting the column; 65. a spring; 66. a plug-in rod; 67. a bearing block; 68. a locking plate; 69. a handle; 7. a second locking plate assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a quick locking device of a circuit breaker comprises a connecting plate 1, a function box 3 is arranged in the middle of the connecting plate 1 in a penetrating mode, a plurality of limiting holes 4 are formed in the left side and the right side of the front end of the function box 3, sliding grooves 5 are fixedly arranged on the left side and the right side of the rear wall of an inner cavity of the function box 3, a first locking plate assembly 6 is arranged between the two sliding grooves 5 in a sliding mode, a second locking plate assembly 7 is arranged between the two sliding grooves 5 in a sliding mode, the first locking plate assembly 6 comprises two sliding blocks 61, a containing cylinder 62 penetrating through the front end of the sliding grooves 5 is fixedly arranged at the front end of each of the two sliding blocks 61, an adjusting cylinder 63 is arranged in the containing cylinder 62 in a sliding mode, a connecting column 64 is fixedly arranged on the rear wall of the inner cavity of the containing cylinder 62, a spring 65 is sleeved outside the connecting column 64, an inserting rod 66 is fixedly arranged at the front end of the adjusting cylinder 63, a bearing block 67 is fixedly arranged at the rear end of one side, which the two inserting rods 66 are close to each other, a locking plate 68 is fixedly arranged between the two bearing blocks 67, when the position of the locking plate 68 needs to be adjusted by mutually matching the sliding grooves 5, the spring 65, the insertion rod 66 and the locking plate 68, the locking plate 68 is pressed into the function box 3 only by holding a handle 69, the locking between the insertion rod 66 and the limiting hole 4 is released, the locking plate 68 can be pushed up and down to a required height, the handle on the circuit breaker is limited and locked, the locking efficiency is high, the assembly is simple, the manufacturing cost is reduced, four corners of the connecting plate 1 are all in threaded connection with the bolts 2, the second locking plate component 7 is positioned below the first locking plate component 6, the two sliding blocks 61 respectively slide in the two sliding grooves 5, the front end of the adjusting cylinder 63 penetrates through the front wall of the accommodating cylinder 62, and the spring 65 is fixedly connected between the rear wall of the inner cavity of the accommodating cylinder 62 and the front wall of the inner cavity of the adjusting cylinder 63, the insertion rod 66 penetrates through the inside of one of the limiting holes 4 in the adjacent side, the front end of the locking plate 68 penetrates through the front portion of the function box 3, the handle 69 is fixedly arranged in the middle of the front end of the locking plate 68, the first locking plate assembly 6 is identical to the second locking plate assembly 7, and through mutual matching between the first locking plate assembly 6 and the second locking plate assembly 7, the handle can be effectively prevented from jumping upwards by mistake, the handle can be prevented from jumping downwards by mistake, the use requirement is met, and the practicability is high.

And those not described in detail in this specification are well within the skill of those in the art.

When the quick limiting locking device is used, the connecting plate 1 is in threaded connection with the surface of the circuit breaker through the bolt 2, a handle on the circuit breaker penetrates through the inside of the function box 3 and is located between the first locking plate component 6 and the second locking plate component 7, the circuit breaker is in a disconnected state when the handle is pushed to the lower side, in order to prevent the handle from jumping upwards by mistake, only the handle 69 is needed to be held by a hand, the locking plate 68 is pressed into the function box 3, the adjusting barrel 63 is pushed into the accommodating barrel 62 through the inserting rod 66, the spring 65 is compressed, the inserting rod 66 leaves the limiting hole 4 and completely enters the inside of the function box 3, locking between the inserting rod 66 and the limiting hole 4 is released, then the locking plate 68 is pushed downwards, the bottom of the locking plate 68 is in contact with the top of the handle, then pressing of the locking plate 68 into the function box 3 is stopped, the spring 65 rebounds, the inserting rod 66 penetrates into the limiting hole 4 with the same horizontal height, locking of the position of the locking plate 68 is achieved, and rapid limiting locking of the handle of the circuit breaker is achieved.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A quick locking device of a circuit breaker, comprising an engagement plate (1), characterized in that: a function box (3) penetrates through the middle of the connecting plate (1), a plurality of limiting holes (4) are formed in the left side and the right side of the front end of the function box (3), sliding grooves (5) are fixedly formed in the left side and the right side of the rear wall of an inner cavity of the function box (3), a first locking plate assembly (6) is arranged between the two sliding grooves (5) in a sliding mode, and a second locking plate assembly (7) is arranged between the two sliding grooves (5) in a sliding mode;

first locking plate subassembly (6) include two slider (61), two the front end of slider (61) is all fixed to be provided with a section of thick bamboo (62) that holds that runs through spout (5) front end, the inside slip that holds a section of thick bamboo (62) is provided with adjusts a section of thick bamboo (63), the fixed column (64) that links up that is provided with of inner chamber back wall that holds a section of thick bamboo (62), the outside cover that links up column (64) is equipped with spring (65), the front end of adjusting a section of thick bamboo (63) is fixed to be provided with peg graft pole (66, two one side rear end that peg graft pole (66) are close to each other all fixedly is provided with carrier block (67), two fixed between carrier block (67) is provided with lockplate (68).

2. The quick locking device of a circuit breaker according to claim 1, characterized in that: bolts (2) are connected to four corners of the connecting plate (1) in a threaded mode, and the second locking plate assembly (7) is located below the first locking plate assembly (6).

3. The quick locking device of a circuit breaker according to claim 1, characterized in that: the two sliding blocks (61) slide in the two sliding grooves (5) respectively, and the front end of the adjusting cylinder (63) penetrates through the front wall of the accommodating cylinder (62).

4. The quick locking device of a circuit breaker according to claim 1, characterized in that: the spring (65) is fixedly connected between the rear wall of the inner cavity of the containing cylinder (62) and the front wall of the inner cavity of the adjusting cylinder (63).

5. The quick locking device of a circuit breaker according to claim 1, characterized in that: the plug-in rod (66) penetrates through the inner part of one limiting hole (4) on one adjacent side, and the front end of the locking plate (68) penetrates through the front part of the function box (3).

6. The quick locking device of a circuit breaker according to claim 1, characterized in that: a handle (69) is fixedly arranged in the middle of the front end of the locking plate (68), and the first locking plate component (6) is completely the same as the second locking plate component (7).

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