CN216648190U - Frame-type circuit breaker casing - Google Patents
Frame-type circuit breaker casing Download PDFInfo
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- CN216648190U CN216648190U CN202220178527.3U CN202220178527U CN216648190U CN 216648190 U CN216648190 U CN 216648190U CN 202220178527 U CN202220178527 U CN 202220178527U CN 216648190 U CN216648190 U CN 216648190U
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Abstract
The utility model relates to a frame type circuit breaker shell which comprises a bottom plate, a base arranged on the bottom plate, a mask and two cover covers, wherein an arc-shaped groove matched with a rotating shaft is arranged on the base, a main mounting position used for mounting a main mechanism is arranged on the middle part of the base, two main mounting holes connected with the main mechanism are respectively arranged on the main mounting position corresponding to two sides of the arc-shaped groove, the mask covers the main mounting position, two auxiliary mounting positions which are symmetrically distributed are arranged on the base corresponding to two sides of the main mounting position, the two cover covers respectively cover the two auxiliary mounting positions, and two auxiliary mounting holes connected with the auxiliary mechanism are respectively arranged on the auxiliary mounting positions corresponding to two sides of the arc-shaped groove. The utility model has the advantages of simple structure, stable and reliable performance, high assembly efficiency, long service life and high mechanical strength.
Description
Technical Field
The utility model relates to a frame-type circuit breaker, in particular to a frame-type circuit breaker shell.
Background
The frame-type breaker is a mechanical switch which can connect, bear and break the current under normal circuit condition, and also can connect, bear a certain time and break the current under the specified abnormal circuit condition. Conventional circuit breakers are used to distribute electrical energy and to protect lines and power equipment from overloads, undervoltages, short circuits, etc. The existing frame type circuit breaker comprises a shell, an operating mechanism, a contact system, a conductive system, an arc extinguishing system, a controller, the shell comprises a base, a mask arranged on the base, the operating mechanism comprises a rotating shaft, a main mechanism and two auxiliary mechanisms are respectively arranged on the rotating shaft, the structural design of the base of the existing frame type circuit breaker is unreasonable, the main mechanism is caused, the two auxiliary mechanisms are not compact in connection with the base, the rotating shaft of the operating mechanism is greatly deformed, the contact synchronism is inconsistent, the contact surface is unreliable, the temperature rise of the circuit breaker during working is enabled to be higher, the overall performance of the circuit breaker is affected, and potential safety hazards are brought to power supply and distribution of a power grid. And the frame type breaker shell also has the defects of complex structure and unreliable performance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides the frame type circuit breaker shell which is simple in structure, stable and reliable in performance, high in assembly efficiency, long in service life and high in mechanical strength.
In order to achieve the purpose, the utility model adopts a frame type circuit breaker shell which comprises a bottom plate, a base arranged on the bottom plate, a face mask and two cover caps, wherein an arc-shaped groove matched with a rotating shaft is arranged on the base, a main mounting position used for mounting a main mechanism is arranged on the middle part of the base, two main mounting holes connected with the main mechanism are respectively arranged on the main mounting position corresponding to two sides of the arc-shaped groove, the face mask is covered on the main mounting position, two auxiliary mounting positions which are symmetrically distributed are arranged on the base corresponding to two sides of the main mounting position, the two cover caps are respectively covered on the two auxiliary mounting positions, and two auxiliary mounting holes connected with the auxiliary mechanism are respectively arranged on the auxiliary mounting positions corresponding to two sides of the arc-shaped groove.
The beneficial effect of above-mentioned structure is: the arc-shaped groove is formed in the base, so that the rotating shaft can be smoothly installed on the base, the arc-shaped groove can play a role in yielding, clamping stagnation of the main shaft is avoided, and the rotating shaft can be guaranteed to move flexibly. This base and host mechanism adopt the built-in type structrual installation, the volume is littleer, it is less to occupy the space of the cabinet body, and two supplementary installation position symmetries set up in main installation position both sides, thereby can guarantee that host mechanism, the connection of auxiliary mechanism and base is compacter, firm, and can guarantee the depth of parallelism of pivot, can guarantee the contact overtravel, the requirement of contact final pressure, make the contact synchronism good, the contact surface is big, advantages such as contact bounce-back is little, thereby make the circuit breaker improve the performance greatly, thereby this frame-type circuit breaker has simple structure, stable performance is reliable, assembly efficiency is high, long service life, advantage that mechanical strength is high.
Particularly, one side of base on be provided with the enhancement lug that a plurality of interval arrangements set up, the enhancement lug on be provided with three sand grips that are "article" style of calligraphy and distribute, the bottom plate on be provided with sand grip matched with joint groove, the sand grip block in the joint inslot, and constitute the joint cooperation of bottom plate and base. Strengthen the lug and can strengthen the bulk strength of base, the mechanical strength of base is better, and base and bottom plate adopt the joint cooperation mode assembly, and it is more convenient to assemble, is favorable to improving this frame-type circuit breaker's assembly efficiency.
In particular, the reinforcing lugs are respectively provided with material-saving grooves. The reinforced lug is provided with a material-saving groove, so that the material can be saved, and the cost is reduced.
Particularly, a plurality of reinforcing ribs are arranged on the inner walls of the two covers. The reinforcing rib can strengthen the overall strength of the cover cap, the mechanical strength of the cover cap is better, and the service life is longer.
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.
FIG. 3 is a perspective view of a base according to an embodiment of the present invention.
FIG. 4 is a perspective view of a cover according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 4, an embodiment of the present invention is a frame type circuit breaker housing, which includes a base plate 10, a base 11 disposed on the base plate 10, a face shield 12, two covers 13, the base 11 is provided with an arc groove 111 matched with the rotating shaft, the middle part of the base 11 is provided with a main mounting position 112 used for mounting a main mechanism, two main mounting holes 113 connected with the main mechanism are respectively arranged on the main mounting position 112 corresponding to the two sides of the arc-shaped groove 111, the face mask 12 is covered on the main mounting position 112, two auxiliary mounting positions 114 which are symmetrically distributed are arranged on the base 11 corresponding to two sides of the main mounting position 112, the two covers 13 are respectively covered on the two auxiliary mounting positions 114, and two auxiliary mounting holes 115 connected with an auxiliary mechanism are respectively arranged on the auxiliary mounting positions 114 corresponding to two sides of the arc-shaped groove 111. Base 11 one side on be provided with the enhancement lug 116 that a plurality of interval arrangements set up, enhancement lug 116 on be provided with three sand grips 117 that are "article" style of calligraphy and distribute, bottom plate 10 on be provided with sand grip 117 matched with joint groove 101, sand grip 117 block in joint groove 101, and constitute the joint cooperation of bottom plate 10 and base 11. Strengthen the lug and can strengthen the bulk strength of base, the mechanical strength of base is better, and base and bottom plate adopt the joint cooperation mode assembly, and it is more convenient to assemble, is favorable to improving this frame-type circuit breaker's assembly efficiency.
As shown in fig. 3, the reinforcing protrusions 116 are respectively provided with material saving grooves 118. The reinforced lug is provided with a material-saving groove, so that the material can be saved, and the cost is reduced. As shown in fig. 4, a plurality of ribs 131 are disposed on the inner walls of the two covers 13. The reinforcing rib can strengthen the overall strength of the cover cap, the mechanical strength of the cover cap is better, and the service life is longer.
The arc-shaped groove is formed in the base, so that the rotating shaft can be smoothly installed on the base, the arc-shaped groove can play a role in yielding, clamping stagnation of the main shaft is avoided, and the rotating shaft can be guaranteed to move flexibly. This base and host mechanism adopt the built-in type structrual installation, the volume is littleer, it is less to occupy the space of the cabinet body, and two supplementary installation position symmetries set up in main installation position both sides, thereby can guarantee that host mechanism, the connection of auxiliary mechanism and base is compacter, firm, and can guarantee the depth of parallelism of pivot, can guarantee the contact overtravel, the requirement of contact final pressure, make the contact synchronism good, the contact surface is big, advantages such as contact bounce-back is little, thereby make the circuit breaker improve the performance greatly, thereby this frame-type circuit breaker has simple structure, stable performance is reliable, assembly efficiency is high, long service life, advantage that mechanical strength is high.
Claims (4)
1. The utility model provides a frame-type circuit breaker casing, includes the bottom plate, sets up base, face guard, two shroud on the bottom plate, its characterized in that: the base on be provided with the arc recess that matches with the pivot, the middle part of base on have the main installation position that is used for installing the host computer mechanism, main installation position on correspond arc recess both sides department and be provided with two main mounting holes that are connected with the host computer mechanism respectively, the face guard lid close on main installation position, the base on correspond main installation position both sides department and have two symmetric distribution's supplementary installation position, two shroud respectively the lid close on two supplementary installation positions, supplementary installation position on correspond arc recess both sides department and be provided with two respectively and be connected supplementary mounting hole with the complementary unit.
2. A frame type circuit breaker housing as claimed in claim 1, wherein: one side of base on be provided with the enhancement lug that a plurality of interval arrangements set up, the enhancement lug on be provided with three sand grips that are "article" style of calligraphy and distribute, the bottom plate on be provided with sand grip matched with joint groove, the sand grip block at the joint inslot, and constitute the joint cooperation of bottom plate and base.
3. A frame type circuit breaker housing as claimed in claim 2, wherein: the reinforced lugs are respectively provided with a material-saving groove.
4. A frame type circuit breaker housing as claimed in claim 1 or 2, wherein: and a plurality of reinforcing ribs are arranged on the inner walls of the two cover caps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178527.3U CN216648190U (en) | 2022-01-22 | 2022-01-22 | Frame-type circuit breaker casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178527.3U CN216648190U (en) | 2022-01-22 | 2022-01-22 | Frame-type circuit breaker casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216648190U true CN216648190U (en) | 2022-05-31 |
Family
ID=81728237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220178527.3U Active CN216648190U (en) | 2022-01-22 | 2022-01-22 | Frame-type circuit breaker casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216648190U (en) |
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2022
- 2022-01-22 CN CN202220178527.3U patent/CN216648190U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |