CN216250596U - Switching-on and switching-off indicating device of molded case circuit breaker - Google Patents
Switching-on and switching-off indicating device of molded case circuit breaker Download PDFInfo
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- CN216250596U CN216250596U CN202122839455.0U CN202122839455U CN216250596U CN 216250596 U CN216250596 U CN 216250596U CN 202122839455 U CN202122839455 U CN 202122839455U CN 216250596 U CN216250596 U CN 216250596U
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- circuit breaker
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Abstract
The utility model relates to a switching-on and switching-off indicating device of a molded case circuit breaker, which comprises a shell and a switching-on and switching-off indicating assembly arranged in the shell, wherein the shell comprises a supporting seat and a cover plate arranged on the supporting seat, an accommodating cavity for accommodating the switching-on and switching-off indicating assembly is formed between the cover plate and the supporting seat, the switching-on and switching-off indicating assembly comprises an indicating piece, a torsion spring and a microswitch, the indicating piece is rotatably arranged in the accommodating cavity and is in linkage fit with a main shaft of the circuit breaker, the torsion spring is arranged between the indicating piece and the supporting seat, the microswitch is arranged in the accommodating cavity and is matched with the indicating piece, a convex block matched with the microswitch is arranged on one side of the indicating piece, the convex block acts along with the indicating piece and drives a button of the microswitch to realize the connection or disconnection of the microswitch, and one end of the indicating piece is provided with an indicating plate extending out of the accommodating cavity. The utility model has the advantages of simple structure, compact structure, stable and reliable performance, convenient assembly and accurate switching-on and switching-off indication.
Description
Technical Field
The utility model belongs to the technical field of circuit breakers, and particularly relates to a switching-on and switching-off indicating device of a molded case circuit breaker.
Background
At present, the molded case circuit breaker is used for switching on, breaking off and bearing rated working current, and can perform reliable open circuit protection under the conditions of overload, short circuit and undervoltage of a load. The existing molded case circuit breaker is provided with the switching-on and switching-off indicating device, however, the structural design of the switching-on and switching-off indicating device of the existing molded case circuit breaker is unreasonable, so that the switching-on and switching-off indicating device of the molded case circuit breaker has the problems that the switching-on and switching-off indicating device is unclear and difficult to identify, a user cannot visually judge the running state of the molded case circuit breaker in the using process, a great deal of misoperation or accident is caused, economic loss is caused, and work is delayed. The switching-on and switching-off indicating device of the molded case circuit breaker also has the defects of complex structure, unreliable performance and inconvenient assembly.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the switching-on and switching-off indicating device of the molded case circuit breaker, which has the advantages of simple structure, compact structure, stable and reliable performance, convenient assembly and accurate switching-on and switching-off indication.
In order to achieve the purpose, the utility model adopts an opening and closing indicating device of a molded case circuit breaker, which comprises a shell and an opening and closing indicating assembly arranged in the shell, the shell comprises a supporting seat and a cover plate arranged on the supporting seat, an accommodating cavity for placing the opening and closing indicating component is formed between the cover plate and the supporting seat, the switching-on and switching-off indicating component comprises an indicating piece which is rotatably arranged in the accommodating cavity and is in linkage fit with the main shaft of the circuit breaker, a torsion spring arranged between the indicating piece and the supporting seat, and a microswitch which is arranged in the accommodating cavity and is in fit with the indicating piece, a convex block matched with the microswitch is arranged on one side of the indicating piece, the convex block acts along with the indicating piece and drives a button of the microswitch, the micro switch can be switched on or off, and one end of the indicating piece is provided with an indicating plate extending out of the accommodating cavity.
The beneficial effect of above-mentioned structure is: the opening and closing indicating assembly is arranged in the shell, and is integrated and modularized, so that the opening and closing indicating device is convenient to install, simple in structural design and accurate in indication. When the indicating device works, the indicating piece is driven by the main shaft of the circuit breaker to rotate, the indicating plate acts along with the indicating piece, so that a user can see the indicating plate in an indicating window of the circuit breaker to realize opening and closing indication of the opening and closing indicating device, the micro switch can monitor the position of the indicating piece, the micro switch can send a monitored opening and closing signal to a background, and the opening and closing state of a moving contact of the circuit breaker can be detected through the micro switch, so that the opening and closing indicating reliability of the opening and closing indicating device is greatly improved. Therefore, the opening and closing indicating device has the advantages of simple structure, compact structure, stable and reliable performance, convenience and quickness in assembly and accuracy in opening and closing indication.
Particularly, the other end of the indicating piece is provided with a linkage part extending out of the accommodating cavity, and the linkage part is provided with a contact surface contacting with the main shaft of the circuit breaker and forms linkage fit of the indicating piece and the main shaft of the circuit breaker. The indicating piece is provided with a contact surface matched with the main shaft of the circuit breaker, so that the transmission of the main shaft of the circuit breaker and the indicating piece can be ensured to be more reliable, and the improvement on the working reliability of the opening and closing indicating device is facilitated.
Particularly, the supporting seat is provided with two positioning rods corresponding to the micro switch, the micro switch is provided with a positioning hole matched with the positioning rods, and the positioning rods are inserted into the positioning holes and form clamping matching of the micro switch and the supporting seat. The micro-gap switch block is on the locating lever of supporting seat to be convenient for supporting seat and micro-gap switch's assembly, assembly efficiency is higher.
Particularly, one side of supporting seat on be provided with the inserted sheet, the apron on be provided with inserted sheet matched with jack, the inserted sheet alternate in the jack, and constitute the joint cooperation of supporting seat and apron. The supporting seat is connected with the cover plate in a clamping matching mode, so that the supporting seat and the cover plate are convenient to assemble, and the assembling efficiency of the opening and closing indicating device is improved.
Particularly, the supporting seat is provided with a rotating shaft corresponding to the indicating piece, the indicating piece is provided with a through hole matched with the rotating shaft, and the rotating shaft is inserted in the through hole and forms rotating connection and matching of the indicating piece and the supporting seat. The indicator block is on the pivot of supporting seat to the assembly of indicator and supporting seat of being convenient for, it is more convenient to assemble.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
Detailed Description
As shown in fig. 1-2, an embodiment of the utility model is an opening/closing indicating device of a molded case circuit breaker, including a housing 10 and an opening/closing indicating assembly 20 disposed in the housing 10, where the housing 10 includes a supporting seat 11 and a cover plate 12 disposed on the supporting seat 11, an accommodating cavity 100 for accommodating the opening/closing indicating assembly 20 is formed between the cover plate 12 and the supporting seat 11, the opening/closing indicating assembly 20 includes an indicating member 21 rotatably disposed in the accommodating cavity 100 and cooperating with a main shaft of the circuit breaker, a torsion spring 22 disposed between the indicating member 21 and the supporting seat 11, and a micro switch 23 disposed in the accommodating cavity 100 and cooperating with the indicating member 21, a protrusion 211 cooperating with the micro switch 23 is disposed on one side of the indicating member 21, the protrusion 211 acts with the indicating member 21 and drives a button 231 of the micro switch 23, so as to turn on or turn off the micro switch 23, the indicator 21 has an indicator plate 212 extending outside the receiving cavity at one end. The other end of the indicating piece 21 is provided with a linkage part 213 extending out of the accommodating cavity 100, the linkage part 213 is provided with a contact surface 214 contacting with the main shaft of the circuit breaker, and the indicating piece 21 and the main shaft of the circuit breaker are in linkage fit. The indicating piece is provided with a contact surface matched with the main shaft of the circuit breaker, so that the transmission of the main shaft of the circuit breaker and the indicating piece can be ensured to be more reliable, and the improvement on the working reliability of the opening and closing indicating device is facilitated. The supporting seat 11 on correspond indicator 21 department and be provided with pivot 111, indicator 21 on be provided with pivot 111 matched with through-hole 215, the pivot alternate in the through-hole, and constitute the swivelling joint cooperation of indicator and supporting seat. The indicator block is on the pivot of supporting seat to the assembly of indicator and supporting seat of being convenient for, it is more convenient to assemble.
As shown in fig. 2, two positioning rods 112 are disposed on the support seat 11 corresponding to the micro switch 23, a positioning hole 232 matched with the positioning rod 112 is disposed on the micro switch 23, and the positioning rod 112 penetrates through the positioning hole 232 and forms a snap fit between the micro switch 23 and the support seat 11. The micro-gap switch block is on the locating lever of supporting seat to be convenient for supporting seat and micro-gap switch's assembly, assembly efficiency is higher. One side of supporting seat 11 on be provided with inserted sheet 113, apron 12 on be provided with inserted sheet 113 matched with jack 121, inserted sheet 113 alternate in jack 121, and constitute supporting seat 11 and apron 12's joint cooperation. The supporting seat is connected with the cover plate in a clamping matching mode, so that the supporting seat and the cover plate are convenient to assemble, and the assembling efficiency of the opening and closing indicating device is improved.
The opening and closing indicating assembly is arranged in the shell, and is integrated and modularized, so that the opening and closing indicating device is convenient to install, simple in structural design and accurate in indication. When the indicating device works, the indicating piece is driven by the main shaft of the circuit breaker to rotate, the indicating plate acts along with the indicating piece, so that a user can see the indicating plate in an indicating window of the circuit breaker to realize opening and closing indication of the opening and closing indicating device, the micro switch can monitor the position of the indicating piece, the micro switch can send a monitored opening and closing signal to a background, and the opening and closing state of a moving contact of the circuit breaker can be detected through the micro switch, so that the opening and closing indicating reliability of the opening and closing indicating device is greatly improved. Therefore, the opening and closing indicating device has the advantages of simple structure, compact structure, stable and reliable performance and convenience in assembly.
Claims (5)
1. The utility model provides a moulded case circuit breaker's divide-shut brake indicating device, includes the casing, sets up the divide-shut brake indicating assembly in the casing, its characterized in that: the casing include the supporting seat, set up the apron on the supporting seat, apron and supporting seat between be formed with the holding chamber of placing divide-shut brake indicating assembly, divide-shut brake indicating assembly including rotate set up in the holding intracavity and with circuit breaker main shaft linkage complex indicator, set up at the torsional spring between indicator and supporting seat, set up in the holding intracavity and with indicator matched with micro-gap switch, one side of indicator on be provided with micro-gap switch matched with lug, the lug just drive micro-gap switch's button along with the indicator action, can realize micro-gap switch's switch-on or disconnection, indicator one end have the indicator panel that extends outside the holding chamber.
2. The switching-on and switching-off indicating device of the molded case circuit breaker according to claim 1, wherein: the other end of the indicating piece is provided with a linkage part extending out of the accommodating cavity, a contact surface contacting with the main shaft of the circuit breaker is arranged on the linkage part, and the linkage matching of the indicating piece and the main shaft of the circuit breaker is formed.
3. The switching-on and switching-off indicating device of the molded case circuit breaker according to claim 1 or 2, characterized in that: the supporting seat on correspond micro-gap switch department and be provided with two locating levers, micro-gap switch on be provided with locating lever matched with locating hole, the locating lever alternate in the locating hole, and constitute the joint cooperation of micro-gap switch and supporting seat.
4. The switching-on and switching-off indicating device of the molded case circuit breaker according to claim 1 or 2, characterized in that: one side of supporting seat on be provided with the inserted sheet, the apron on be provided with inserted sheet matched with jack, the inserted sheet alternate in the jack, and constitute the joint cooperation of supporting seat and apron.
5. The switching-on and switching-off indicating device of the molded case circuit breaker according to claim 1 or 2, characterized in that: the supporting seat on correspond indicator department and be provided with the pivot, the indicator on be provided with pivot matched with through-hole, the pivot alternate in the through-hole, and constitute the rotation of indicator and supporting seat and be connected the cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839455.0U CN216250596U (en) | 2021-11-18 | 2021-11-18 | Switching-on and switching-off indicating device of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122839455.0U CN216250596U (en) | 2021-11-18 | 2021-11-18 | Switching-on and switching-off indicating device of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216250596U true CN216250596U (en) | 2022-04-08 |
Family
ID=80947803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122839455.0U Active CN216250596U (en) | 2021-11-18 | 2021-11-18 | Switching-on and switching-off indicating device of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216250596U (en) |
-
2021
- 2021-11-18 CN CN202122839455.0U patent/CN216250596U/en active Active
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