CN220914130U - Operating mechanism for controlling and protecting switch electric appliance - Google Patents
Operating mechanism for controlling and protecting switch electric appliance Download PDFInfo
- Publication number
- CN220914130U CN220914130U CN202322847614.0U CN202322847614U CN220914130U CN 220914130 U CN220914130 U CN 220914130U CN 202322847614 U CN202322847614 U CN 202322847614U CN 220914130 U CN220914130 U CN 220914130U
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- linkage
- crank arm
- release
- frame
- shaft
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- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to an operating mechanism for controlling and protecting a switch electrical appliance, which comprises a bracket, a contact crank arm, an interlocking shaft, a linkage rod and an electromagnetic release, wherein a locking part is formed on the contact crank arm, the interlocking shaft and the linkage rod are coaxially hinged in the bracket, an interlocking spring for pulling the interlocking shaft to rotate in the opposite direction of the contact crank arm is arranged on the interlocking shaft, a blocking part, a linkage part and a release part are formed on the interlocking shaft, the blocking part of the interlocking shaft can form blocking fit with the locking part of the contact crank arm to block the unidirectional rotation of the contact crank arm, the linkage part of the interlocking shaft is in linkage connection with the linkage rod, and the electromagnetic release is arranged on one side of the bracket and is in linkage connection with the release part of the interlocking shaft. The utility model adopts a modularized structure, the contact crank arm controls the contact to act, and the linkage rod is linked with the overcurrent tripping device of each phase of circuit to realize overcurrent protection, and the electromagnetic tripping device inputs signals to realize remote control.
Description
Technical Field
The utility model relates to a component of a control and protection switch electric appliance, in particular to an operating mechanism of the control and protection switch electric appliance.
Background
The control and protection switch electric appliance is the best substitute product of low-voltage electric appliances such as a breaker, a contactor, a thermal relay, a fuse and the like. Along with the development of digitalization and the Internet of things, various information is queried in real time, even various devices are controlled, intelligent power distribution is rapidly developed, and intelligent cloud power distribution is based on control and protection switch products.
The existing operating mechanism of the control and protection switch electrical appliance is assembled with the electromagnetic system in a part mode, the modularized assembly is not formed, the assembly is complex, the volume is large, the production cost is high, the automatic assembly is inconvenient, and the production efficiency is low.
Disclosure of Invention
Therefore, the utility model aims to provide the operating mechanism of the control and protection switch electrical appliance, which adopts a modularized structure, has a simple structure and is convenient to produce.
In order to achieve the above purpose, the utility model adopts an operating mechanism of a control and protection switch electrical appliance, which comprises a bracket, a contact crank arm, an interlocking shaft and a linkage rod, wherein the contact crank arm is hinged in the bracket, a main spring for pulling the contact crank arm to rotate unidirectionally is connected between the contact crank arm and the bracket, a locking part is formed on the contact crank arm, the interlocking shaft and the linkage rod are coaxially hinged in the bracket, the interlocking shaft is provided with the interlocking spring for pulling the interlocking shaft to rotate in the opposite direction of the contact crank arm, a blocking part, the linkage part and a tripping part are formed on the interlocking shaft, the blocking part of the interlocking shaft can form blocking fit with the locking part of the contact crank arm, the contact crank arm is blocked to rotate unidirectionally, and the linkage part of the interlocking shaft is connected with the linkage rod in a linkage way.
The utility model has the beneficial effects that the operating mechanism adopts a modularized structure, all parts are arranged on the bracket, the operating mechanism controls the contact to act through the contact crank arm, and the operating mechanism is linked with the overcurrent tripping device of each phase of circuit through the linkage rod, so that overcurrent protection is realized.
The utility model further provides that the operating mechanism further comprises a manual mechanism, the manual mechanism comprises a manual shaft, a stop cam and a shaft sleeve, the stop cam is fixedly connected to the lower end of the manual shaft, the shaft sleeve is fixedly sleeved on the manual shaft, a section of driving groove is formed in the shaft sleeve, a driving bent rod is hinged to a support on one side of the shaft sleeve, the tail end of the driving bent rod is in linkage connection with a contact crank arm, a linkage frame is arranged on the driving bent rod, one end of the linkage frame is in abdicating fit with the driving groove of the shaft sleeve, a bent rod spring is arranged between the linkage frame and the driving bent rod, and a linkage spring is arranged between the linkage frame and the support.
The technical scheme has the beneficial effects that the relatively independent manual mechanism is adopted, the manual mechanism directly controls the movable iron core of the electromagnetic system through the stop cam, the control is more direct and reliable, the contact crank arm is used for controlling the driving bent rod to trigger the micro switch on the electromagnetic system, the switching signal is output, the driving bent rod is linked with the shaft sleeve through the linkage frame, and the position of the driving bent rod can be limited when the manual shaft rotates.
The utility model further provides an electromagnetic release, wherein the electromagnetic release is arranged on one side of the bracket and is in linkage connection with the release part of the interlocking shaft, the electromagnetic release comprises a release frame, an electromagnetic coil, a release crank arm and a pushing frame, the release frame is connected to the outer side of the bracket, the electromagnetic coil is arranged in the release frame, the release crank arm is hinged to the release frame in front of the electromagnetic coil, an iron core part and a blocking block are respectively formed on the release crank arm, the iron core part is arranged at the front end of the center of the electromagnetic coil, the pushing frame is arranged in the release frame and moves back and forth towards the release part of the interlocking shaft, a release spring is arranged between the pushing frame and the release frame, a blocking hook is formed on the pushing frame, and a torsion spring is arranged on the release crank arm to push the blocking block into the blocking hook of the pushing frame so as to limit the pushing frame.
The technical scheme has the beneficial effects that the electromagnetic release is adopted to realize remote control, and the electromagnetic release controls the pushing frame to move back and forth through the release crank arm to push the interlocking shaft to rotate, so that the contact crank arm rotates to realize the switching action, and the electromagnetic release is connected to the outer side of the bracket, so that the structure is simple, and the assembly is convenient.
The utility model further provides that a linkage table is formed on one side of the upper end of the linkage rod, and the linkage part of the linkage shaft is pressed on the linkage table. The linkage table of the linkage rod can prevent the linkage shaft from rotating, and only when the linkage rod is pushed, the linkage shaft can rotate to enable the contact crank arm to act.
The utility model further provides that a torsion spring is arranged between the shaft sleeve and the bracket. The torsion spring can move the shaft sleeve towards the reset position.
The blocking part on the interlocking shaft is a protrusion of a semi-cylinder, and the circumferential surface of the semi-cylinder is contacted with the locking part of the contact crank arm to lock the contact crank arm.
The utility model further provides that a driving part is formed on the contact crank arm, and the driving part and the driving bent rod correspondingly push the driving bent rod to act.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
Fig. 2 is a perspective view of an embodiment of the utility model with the bracket removed.
Fig. 3 is a top view of an embodiment of the utility model with the bracket removed.
Fig. 4 is a schematic illustration of an embodiment of the utility model with the bracket and manual mechanism removed.
Fig. 5 is a partial schematic view of an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 5, the specific embodiment of the utility model is an operating mechanism of a control and protection switch, which comprises a bracket 1, a contact crank arm 2, an interlocking shaft 3, a linkage rod 4, an electromagnetic release 5 and a manual mechanism 6, wherein the contact crank arm 2 is hinged in the bracket 1, a main spring 7 for pulling the contact crank arm 2 to rotate unidirectionally is connected between the contact crank arm 2 and the bracket 1, the outer end of the main spring 7 is connected to a shaft erected in the bracket 1, a locking part 21 is formed on the contact crank arm 2, the interlocking shaft 3 and the linkage rod 4 are coaxially hinged in the bracket 1, an interlocking spring 31 for pulling the interlocking shaft 3 to rotate in the opposite direction of the contact crank arm 2 is arranged on the interlocking shaft 3, a blocking part 32, a linkage part 33 and a tripping part 34 are formed on the interlocking shaft 3, the blocking part 32 on the interlocking shaft 3 is a protrusion of a semi-cylinder, the circumferential surface of the semi-cylinder is contacted with the locking part 21 of the contact crank arm 2 to realize locking of the contact crank arm 2, the blocking contact crank arm 2 rotates in the shrinkage direction of the main spring 7, one side of the upper end of the linkage rod 4 forms a linkage table 41, the linkage table 3 is arranged on one side of the linkage table 3 in the opposite direction of the interlocking shaft 3, and the interlocking part 33 is connected with the electromagnetic release 5 in the interlocking part 3 in the opposite direction, and the interlocking part 34 is prevented from rotating in the interlocking direction of the linkage shaft 3.
The manual mechanism 6 comprises a manual shaft 61, a stop cam 62 and a shaft sleeve 63, wherein the stop cam 62 is fixedly connected to the lower end of the manual shaft 61, the shaft sleeve 63 is fixedly sleeved on the manual shaft 61, a torsion spring 64 is arranged between the shaft sleeve 63 and the support 1, a section of driving groove 631 is formed on the shaft sleeve 63, a driving bent rod 65 is hinged on the support 1 on one side of the shaft sleeve 63, a driving part 22 is formed on the contact crank arm 2, the driving part 22 is in linkage connection with the tail end of the driving bent rod 65 and correspondingly pushes the driving bent rod 65 to act, a linkage frame 66 is arranged on the driving bent rod 65, one end of the linkage frame 66 is in yielding fit with the driving groove 631 of the shaft sleeve 63, a bent rod spring 67 is arranged between the linkage frame 66 and the driving bent rod 65, and a linkage spring 68 is arranged between the linkage frame 66 and the support 1.
The electromagnetic release 5 comprises a release frame 51, an electromagnetic coil 52, a release crank arm 53 and a release frame 54, wherein the release frame 51 is connected to the outer side of the support 1, the electromagnetic coil 52 is arranged in the release frame 51, the release crank arm 53 is hinged to the release frame 51 in front of the electromagnetic coil 52, an iron core part 531 and a blocking block 532 are respectively formed on the release crank arm 53, the iron core part 531 is arranged at the front end of the center of the electromagnetic coil 52 and opposite to the movable iron core, the release frame 54 is arranged in the release frame 51 and moves back and forth towards the release part 34 of the interlocking shaft 3, a release spring 55 is arranged between the release frame 54 and the release frame 51, a blocking hook 541 is formed on the release frame 54, a release torsion spring is arranged on the release crank arm 53 and pushes the blocking block 532 into the blocking hook 541 of the release frame 54 to limit the release frame 54, and when the movable iron core part 531 of the release crank arm 53 moves forward due to the forward movement of the movable iron core part 531 of the electromagnetic coil 52, the blocking block 532 of the release crank arm 53 moves out of the blocking hook 541, contacts the blocking block 541 of the blocking hook 54 and moves forward to the interlocking part 34 of the release frame 54.
The present utility model is not limited to the specific embodiments described and illustrated herein, and other modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model. All such modifications and variations are intended to be within the scope of the present utility model. Moreover, all the components described herein may be replaced by other technically equivalent elements.
Claims (7)
1. An operating mechanism for controlling and protecting a switching device, which is characterized in that: the operation mechanism comprises a support, a contact crank arm, an interlocking shaft and a linkage rod, wherein the contact crank arm is hinged in the support, a main spring for pulling the contact crank arm to rotate unidirectionally is connected between the contact crank arm and the support, a locking part is formed on the contact crank arm, the interlocking shaft and the linkage rod are coaxially hinged in the support, the interlocking shaft is provided with the interlocking spring for pulling the interlocking axial contact crank arm to rotate in the opposite direction, a blocking part, a linkage part and a tripping part are formed on the interlocking shaft, the blocking part of the interlocking shaft can form blocking fit with the locking part of the contact crank arm, the contact crank arm is blocked from rotating unidirectionally, and the linkage part of the interlocking shaft is connected with the linkage rod in a linkage manner.
2. The operating mechanism for a control and protection switching device according to claim 1, wherein: the operating mechanism further comprises a manual mechanism, the manual mechanism comprises a manual shaft, a stop cam and a shaft sleeve, the stop cam is fixedly connected to the lower end of the manual shaft, the shaft sleeve is fixedly sleeved on the manual shaft, a section of driving groove is formed in the shaft sleeve, a driving bent rod is hinged to a support on one side of the shaft sleeve, the tail end of the driving bent rod is connected with a contact crank in a linkage manner, a linkage frame is arranged on the driving bent rod, one end of the linkage frame is in abdication fit with the driving groove of the shaft sleeve, a bent rod spring is arranged between the linkage frame and the driving bent rod, and a linkage spring is arranged between the linkage frame and the support.
3. The operating mechanism for controlling and protecting a switching device according to claim 1 or 2, wherein: the operating mechanism further comprises an electromagnetic release, the electromagnetic release is arranged on one side of the support and is in linkage connection with the release part of the interlocking shaft, the electromagnetic release comprises a release frame, an electromagnetic coil, a release crank arm and a pushing frame, the release frame is connected to the outer side of the support, the electromagnetic coil is arranged in the release frame, the release crank arm is hinged to the release frame in front of the electromagnetic coil, an iron core part and a blocking block are respectively formed on the release crank arm, the iron core part is arranged at the front end of the center of the electromagnetic coil, the pushing frame is arranged in the release frame and moves back and forth towards the release part of the interlocking shaft, a release spring is arranged between the pushing frame and the release frame, a blocking hook is formed on the pushing frame, and a torsion spring is arranged on the release crank arm to push the blocking block to the blocking hook of the pushing frame so as to limit the pushing frame.
4. The operating mechanism for controlling and protecting a switching device according to claim 1 or 2, wherein: and a linkage table is formed at one side of the upper end of the linkage rod, and the linkage part of the linkage shaft is pressed on the linkage table.
5. The operating mechanism for a control and protection switching device according to claim 2, wherein: a torsion spring is arranged between the shaft sleeve and the bracket.
6. The operating mechanism for controlling and protecting a switching device according to claim 1 or 2, wherein: the blocking part on the interlocking shaft is a protrusion of a semi-cylinder, and the circumferential surface of the semi-cylinder is contacted with the locking part of the contact crank arm to lock the contact crank arm.
7. The operating mechanism for a control and protection switching device according to claim 2, wherein: and a driving part is formed on the contact crank arm, and the driving part and the driving bent rod correspondingly push the driving bent rod to act.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847614.0U CN220914130U (en) | 2023-10-23 | 2023-10-23 | Operating mechanism for controlling and protecting switch electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322847614.0U CN220914130U (en) | 2023-10-23 | 2023-10-23 | Operating mechanism for controlling and protecting switch electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220914130U true CN220914130U (en) | 2024-05-07 |
Family
ID=90913204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322847614.0U Active CN220914130U (en) | 2023-10-23 | 2023-10-23 | Operating mechanism for controlling and protecting switch electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220914130U (en) |
-
2023
- 2023-10-23 CN CN202322847614.0U patent/CN220914130U/en active Active
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