CN220914144U - Locking device of circuit breaker - Google Patents
Locking device of circuit breaker Download PDFInfo
- Publication number
- CN220914144U CN220914144U CN202322558701.4U CN202322558701U CN220914144U CN 220914144 U CN220914144 U CN 220914144U CN 202322558701 U CN202322558701 U CN 202322558701U CN 220914144 U CN220914144 U CN 220914144U
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- China
- Prior art keywords
- circuit breaker
- cover plate
- control switch
- component
- protection
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- 230000001681 protective effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a locking device of a circuit breaker, which comprises a cover plate, wherein the cover plate is arranged at the front end position of the circuit breaker body, and in the locking device, a limiting component and a protection component are matched for use, so that a control switch can be limited and fixed, danger caused by misoperation is avoided, a threaded round rod is rotated to penetrate through a threaded round hole in the inner side of a protection box, the locking device is connected and arranged in a threaded rotation mode, the locking device is more convenient in installation, when the circuit breaker body is required to be maintained or replaced, the protection component slides downwards from a chute at the front end of the cover plate, then a control switch of the circuit breaker body is closed, a knob is rotated, the threaded round rod is pushed forwards, and when the threaded round rod is pushed forwards, a connecting rod is pushed until a rubber limiting block at the end of the connecting rod is pushed onto the control switch, the control switch is in a limiting state, misoperation is avoided, the control switch is prevented from being opened in the operation process, and safety is ensured.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a locking device of a circuit breaker.
Background
The circuit breaker is a switching device which can switch on, bear and switch off the current under the normal loop condition and switch on, bear and switch off the current under the abnormal loop condition in a specified time, and the circuit breaker mechanism has the advantages of simple structure, convenient maintenance, stable performance, reliable quality and the like, and is widely applied to a power grid.
Most of the existing circuit breakers are fixed at high positions, so that operators are often required to operate at high positions during maintenance or replacement of the circuit breakers, and the circuit breaker switches are required to be closed and then operated in the operation process in order to ensure personal safety, wherein the operators are stressed in mind due to high-altitude operation, so that the problem that certain danger exists due to false touching of the circuit breaker switches can occur.
Disclosure of utility model
The utility model aims to provide a locking device of a circuit breaker, which aims to solve the problems that the prior circuit breaker is mostly fixed at a high place in the prior art, so that an operator is often required to operate the circuit breaker at a high position during maintenance or replacement of the circuit breaker, and the circuit breaker switch is required to be closed and then operated in the operation process in order to ensure personal safety, wherein the operator is stressed in mind due to high-altitude operation, and thus the problem that a certain danger exists due to the fact that the circuit breaker switch is touched by mistake is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a locking device of circuit breaker, includes the apron, apron erection joint is on the front end terminal surface position of circuit breaker body, the both sides end of apron is provided with the terminal connector, the front end both sides of apron are provided with the spout, the upper end of spout is located and is provided with protection subassembly on the apron, protection subassembly's upper end is provided with spacing subassembly, be provided with control switch in the middle of the inboard of apron, control switch's both sides are located and are provided with the status indicator lamp on the apron, the rear end inboard of circuit breaker body is provided with spacing mounting groove.
The limiting assembly comprises a knob, a threaded round rod, a rubber limiting block and a connecting rod, wherein the threaded round rod is arranged in the middle of the upper end of the connecting rod, the knob is arranged at the end head of the upper end of the threaded round rod, the rubber limiting block is arranged at the end head of the front end of the connecting rod, and the connecting rod is connected onto the protecting assembly through the threaded round rod.
The protection assembly comprises a threaded round hole, a protection box, an opening and a connecting sliding block, wherein the threaded round hole is formed in the inner side of the front end of the opening, an opening is formed in the inner side of the rear end of the protection box, the connecting sliding blocks are arranged on two sides of the rear end of the protection box, and the protection box is connected to the cover plate through the connecting sliding blocks.
The cover plate and the protection component are connected and installed in a clamping mode, and the protection component is connected to the front end face of the cover plate.
The protection component and the limiting component are connected and installed in a threaded rotation mode, and the limiting component is connected to the front end position of the inner side of the protection component.
The sliding grooves are symmetrically and parallelly arranged on two sides of the front end of the cover plate.
In summary, the beneficial effects of the utility model are as follows due to the adoption of the technology:
1. According to the utility model, the limit assembly and the protection assembly are matched for use, so that the control switch can be limited and fixed, danger caused by misoperation is avoided, when the limit assembly is installed, the threaded round rod is rotated to rotate to penetrate through the threaded round hole in the inner side of the protection box, and the threaded round rod is connected and installed in a threaded rotation mode, so that the installation is more convenient, when the breaker body is required to be maintained or replaced, firstly, the protection assembly slides downwards from the sliding groove at the front end of the cover plate, then the control switch of the breaker body is closed, then the knob is rotated, the threaded round rod is pushed forwards, when the threaded round rod is pushed forwards, the connecting rod is pushed until the rubber limiting block at the end of the connecting rod is pushed onto the control switch, the control switch is in a limiting state, misoperation is avoided, the control switch is prevented from being opened in the operation process, and safety is ensured.
2. According to the utility model, the control switch can be protected through the cooperation of the protection component, the cover plate and the sliding groove, when the protection component is installed, firstly, the connecting sliding blocks at the two sides of the rear end of the protection box are clamped into the sliding groove, the connecting limiting component is convenient to install through the threaded round hole at the inner side of the protection box, and the connection and the installation are convenient, so that the installation is convenient, and the sliding adjustment is convenient later.
Drawings
Fig. 1 is a schematic perspective view of a locking device of a circuit breaker according to the present utility model;
Fig. 2 is an enlarged structural view of a region a of a latching device of a circuit breaker according to the present utility model;
Fig. 3 is a schematic structural view of a limiting assembly of a locking device of a circuit breaker according to the present utility model;
fig. 4 is a schematic structural view of a protection component of a locking device of a circuit breaker according to the present utility model.
In the figure: 1. a limit mounting groove; 2. a circuit breaker body; 3. a cover plate; 4. a terminal connector; 5. a protective assembly; 51. a threaded round hole; 52. a protective case; 53. an opening; 54. the connecting slide block; 6. a control switch; 7. a limit component; 71. a knob; 72. a threaded round rod; 73. a rubber limiting block; 74. a connecting rod; 8. status indicator lights; 9. and a sliding groove.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
Example 1
Referring to fig. 1 and 2, a locking device of circuit breaker, including apron 3, apron 3 installs and connects on the front end terminal surface position of circuit breaker body 2, the both sides end of apron 3 is provided with terminal connector 4, the front end both sides of apron 3 are provided with spout 9, the upper end of spout 9 is located and is provided with protection subassembly 5 on apron 3, the upper end of protection subassembly 5 is provided with spacing subassembly 7, be provided with control switch 6 in the middle of the inboard of apron 3, the both sides of control switch 6 are located and are provided with status indicator lamp 8 on apron 3, the rear end inboard of circuit breaker body 2 is provided with spacing mounting groove 1, when the need be maintained or change to circuit breaker body 2, at first, slide protection subassembly 5 downwards from spout 9 of apron 3 front end, then close control switch 6 of circuit breaker body 2, and after closing, the back, the status indicator lamp 8 of apron 3 both sides can show that circuit breaker body 2 internal circuit is in the off state, so that follow-up maintenance or change, afterwards rotate spacing subassembly 7 screw rod, make the stopper top of screw rod end department lean on control switch 6, make control switch 6 be in the restriction state, thereby the control switch 6 is in the limit state, thereby in order to avoid operating in the mistake in the control switch 6 to carry out the operation, when the protection subassembly 2 is opened, when the protection subassembly 2 is normally, after the protection subassembly is changed, and protection subassembly 5 is normally is opened, the protection switch 5 is guaranteed to be connected through the protection subassembly, and after the protection switch 5 is normally, and when the protection switch end is changed, and is normally is opened, and is guaranteed, and is normally, and is connected to the end 5.
According to the utility model, the protection component 5 and the limit component 7 are connected and installed in a threaded rotation mode, the limit component 7 is connected and installed at the front end position of the inner side of the protection component 5, the limit component 7 comprises a knob 71, a threaded round rod 72, a rubber limit block 73 and a connecting rod 74, the threaded round rod 72 is arranged in the middle of the upper end of the connecting rod 74, the knob 71 is arranged at the end of the upper end of the threaded round rod 72, the rubber limit block 73 is arranged at the front end of the connecting rod 74, the connecting rod 74 is connected to the protection component 5 through the threaded round rod 72, when the limit component 7 is installed, firstly, the threaded round rod 72 is rotated to penetrate through a threaded round hole 51 at the inner side of the protection box 52, and then, the limit component 7 is connected and installed in a threaded rotation mode, so that the installation is more convenient, when maintenance or replacement of the breaker body 2 is needed, firstly, the protection component 5 is slid downwards from a chute 9 at the front end of the cover plate 3, then the control switch 6 of the breaker body 2 is closed, afterwards, the knob 71 is rotated, the threaded round rod 72 is pushed forward, when the threaded round rod 72 is pushed forward, the rubber limit block 73 is pushed forward, the control switch 74 is pushed forward, the control of the control switch is pushed forward, the control switch 73 until the rubber limit block 73 at the end of the connecting rod 74 is pushed against the control switch 6 is pushed forward, the control switch 6 is kept in a safe operation, and the safe operation, and safe operation is avoided, and when the safe operation is opened.
In the utility model, two sliding grooves 9 are arranged in total, and the sliding grooves 9 are symmetrically and parallelly arranged at two side positions of the front end of the cover plate 3, and in the use process, as the two sliding grooves 9 are arranged in total and symmetrically and parallelly arranged at two side positions of the front end of the cover plate 3, the protective component 5 can slide up and down at the front end of the cover plate 3 through the sliding grooves 9 when in use.
Working principle: when the breaker body 2 needs to be maintained or replaced, firstly, the protection component 5 slides downwards from the chute 9 at the front end of the cover plate 3, then the control switch 6 of the breaker body 2 is closed, after the control switch 6 is closed, the status indicator lamps 8 at the two sides of the cover plate 3 can display that the internal circuit of the breaker body 2 is in a disconnection state so as to facilitate subsequent maintenance or replacement, then the screw rod of the limit component 7 is rotated, the limit block at the end of the screw rod is abutted against the control switch 6, the control switch 6 is in a limit state, thereby avoiding misoperation, the control switch 6 is prevented from being opened in the operation process, thereby ensuring safety, after the maintenance or replacement, the limit component 7 is released from limit, then the control switch 6 is pushed, and the status indicator lamps 8 are watched, so that the breaker body 2 works normally, then the protection component 5 is pushed upwards, so that the protection component 5 protects the control switch 6, and when the protection component is conveniently fastened in a power distribution cabinet through the limit mounting groove 1 at the inner side of the rear end of the breaker body 2, and the terminal connectors 4 at the end of the cover plate 3 are convenient to connect with each wire.
Example two
Referring to fig. 1 and 3, in the locking device of a circuit breaker, in comparison with the first embodiment, a cover plate 3 and a protection component 5 are connected and installed in a clamping manner, the protection component 5 is connected to a front end surface position of the cover plate 3, the protection component 5 includes a threaded round hole 51, a protection box 52, an opening 53 and a connecting sliding block 54, the threaded round hole 51 is arranged on the inner side of the front end of the opening 53, the opening 53 is arranged on the inner side of the rear end of the protection box 52, the connecting sliding blocks 54 are arranged on two sides of the rear end of the protection box 52, and the protection box 52 is connected to the cover plate 3 through the connecting sliding block 54.
Working principle: when the protection component 5 is installed, firstly, the connecting sliding blocks 54 on two sides of the rear end of the protection box 52 are clamped into the sliding grooves 9, the connection limiting component 7 is convenient to install through the threaded round holes 51 on the inner side of the protection box 52, so that the installation is convenient, and sliding adjustment is convenient to follow-up.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that 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. Moreover, 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.
Claims (6)
1. A blocking device for circuit breakers, comprising a cover plate (3), characterized in that: the circuit breaker is characterized in that the cover plate (3) is installed and connected to the front end face of the circuit breaker body (2), terminal connectors (4) are arranged at the ends of two sides of the cover plate (3), sliding grooves (9) are formed in two sides of the front end of the cover plate (3), a protection component (5) is arranged at the upper end of each sliding groove (9) and located on the cover plate (3), a limit component (7) is arranged at the upper end of each protection component (5), a control switch (6) is arranged in the middle of the inner side of the cover plate (3), status indicator lamps (8) are arranged on the two sides of the control switch (6) and limit mounting grooves (1) are formed in the inner side of the rear end of the circuit breaker body (2).
2. The latching apparatus of a circuit breaker as recited in claim 1, wherein: limiting component (7) are including knob (71), screw thread round bar (72), rubber stopper (73) and connecting rod (74), be provided with screw thread round bar (72) in the middle of connecting rod (74) upper end, screw thread round bar (72) upper end department is provided with knob (71), connecting rod (74) front end department is provided with rubber stopper (73), connecting rod (74) are connected on protective component (5) through screw thread round bar (72).
3. The latching apparatus of a circuit breaker as recited in claim 1, wherein: the protection component (5) comprises a threaded round hole (51), a protection box (52), an opening (53) and a connecting sliding block (54), wherein the threaded round hole (51) is formed in the inner side of the front end of the opening (53), the opening (53) is formed in the inner side of the rear end of the protection box (52), the connecting sliding blocks (54) are arranged on two sides of the rear end of the protection box (52), and the protection box (52) is connected to the cover plate (3) through the connecting sliding block (54).
4. The latching apparatus of a circuit breaker as recited in claim 1, wherein: the cover plate (3) and the protection component (5) are connected and installed in a clamping mode, and the protection component (5) is connected to the front end face position of the cover plate (3).
5. The latching apparatus of a circuit breaker as recited in claim 1, wherein: the protection component (5) and the limiting component (7) are connected and installed in a threaded rotation mode, and the limiting component (7) is connected to the front end position of the inner side of the protection component (5).
6. The latching apparatus of a circuit breaker as recited in claim 1, wherein: the two sliding grooves (9) are arranged in total, and the sliding grooves (9) are symmetrically and parallelly arranged on two sides of the front end of the cover plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558701.4U CN220914144U (en) | 2023-09-20 | 2023-09-20 | Locking device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322558701.4U CN220914144U (en) | 2023-09-20 | 2023-09-20 | Locking device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914144U true CN220914144U (en) | 2024-05-07 |
Family
ID=90920327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322558701.4U Active CN220914144U (en) | 2023-09-20 | 2023-09-20 | Locking device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914144U (en) |
-
2023
- 2023-09-20 CN CN202322558701.4U patent/CN220914144U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |