CN210516608U - Anti-bouncing device of circuit breaker - Google Patents
Anti-bouncing device of circuit breaker Download PDFInfo
- Publication number
- CN210516608U CN210516608U CN201921286618.3U CN201921286618U CN210516608U CN 210516608 U CN210516608 U CN 210516608U CN 201921286618 U CN201921286618 U CN 201921286618U CN 210516608 U CN210516608 U CN 210516608U
- Authority
- CN
- China
- Prior art keywords
- spring
- circuit breaker
- main shaft
- cantilever
- vacuum arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a circuit breaker bounce-proof device, which comprises a side plate, the curb plate surface is provided with the main shaft, the main shaft surface is provided with branch, the branch surface is provided with the second spring, second spring one end is provided with the countershaft, the curb plate surface is provided with the shelves pole, shelves pole upper end is provided with the cantilever, the cantilever lower extreme is provided with the trace, the trace surface is provided with the transfer line, the transfer line upper end is provided with vacuum arc control device, the vacuum arc control device inboard is provided with vacuum interrupter, the vacuum interrupter lower extreme is provided with the movable contact, movable contact lower extreme is provided with the surge chamber, the surge chamber inboard is provided with the third spring. A shellproof jump device of circuit breaker, can effectually prevent to move the contact and kick-back, utilize the surge chamber can cushion the impact force of sound contact simultaneously to the life of extension circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker field, in particular to circuit breaker is shellproof and is jumped device.
Background
Because the speed of the breaker is fast when the breaker is opened and the breaker mechanism is made of rigid materials, the phenomenon of bouncing of the breaker is serious when the breaker is opened, after the moving contact and the fixed contact of the breaker reach the maximum opening distance, great rebounding exists, and the excessive rebounding enables the distance between the moving contact and the fixed contact to be too close, so that electric arcs are reignited, the moving contact and the fixed contact are burnt, even more serious consequences are caused, meanwhile, in the moment of opening or closing, the impact force of the moving contact on the fixed contact is too large, the abrasion of the moving contact and the fixed contact is too large, the service life is shortened, and therefore, the anti-bouncing device of the breaker is provided.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a circuit breaker bounce prevention device, which can effectively solve the problems in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a circuit breaker jump prevention device, includes the curb plate, the surface of curb plate is provided with the main shaft, the surface of main shaft is provided with branch, the surface of branch is provided with the second spring, the one end of second spring is provided with the countershaft, the surface of curb plate is provided with the shelves pole, the upper end of shelves pole is provided with the cantilever, the lower extreme of cantilever is provided with the trace, the surface of trace is provided with the transfer line, the upper end of transfer line is provided with vacuum arc control device, vacuum arc control device's inboard is provided with vacuum interrupter, vacuum arc control device's lower extreme is provided with movable contact, movable contact's lower extreme is provided with the surge chamber, the surge chamber inboard is provided with the third spring, the surface of curb plate is provided with first spring, the one end of first spring is provided with.
Preferably, the surface of the linkage rod is provided with a bolt, the linkage rod is movably connected with the side plate through the bolt, a bearing is arranged between the main shaft and the side plate, and the main shaft is movably connected with the side plate through the bearing.
Preferably, the support rod is fixedly connected with the main shaft and the auxiliary shaft, the second spring is slidably connected with the support rod, a welding seam is arranged between the cantilever and the main shaft, the main shaft is fixedly connected with the cantilever through the welding seam, the first spring is fixedly connected with the side plate, and the first spring is movably connected with the cantilever.
Preferably, a welding seam is arranged between the stop lever and the side plate, the side plate is fixedly connected with the stop lever through the welding seam, the transmission rod is fixedly connected with the cantilever, the transmission rod extends into the inner side of the vacuum arc extinguishing device, and the vacuum arc extinguishing device is movably connected with the side plate.
Preferably, the surface of the transmission rod is provided with a protrusion, the third spring is fixedly connected with the protrusion, the third spring is slidably connected with the transmission rod, the buffer chamber is fixedly connected with the vacuum arc-extinguishing device, and the third spring and the protrusion are both arranged on the inner side of the buffer chamber.
Preferably, the vacuum arc extinguishing chamber is fixedly connected with the vacuum arc extinguishing device, the movable contact is fixed with the transmission rod, and the main shaft, the auxiliary shaft and the gear lever are arranged in parallel.
Compared with the prior art, the utility model discloses following beneficial effect has: the anti-bouncing device of the circuit breaker is provided with a main shaft, an auxiliary shaft, a blocking rod, a cantilever, a concave groove and a first spring, when the circuit breaker is opened, the auxiliary shaft moves anticlockwise to enable the main shaft to move anticlockwise under the driving of the auxiliary shaft, and simultaneously, the cantilever also moves anticlockwise under the driving of the main shaft to enable the concave groove on the tail end surface of the cantilever to slowly approach the blocking rod, when the circuit breaker reaches the maximum opening distance, the concave groove on the tail end surface of the cantilever just can clamp the blocking rod, after the circuit breaker rebounds, the blocking rod is tightly buckled in the concave groove on the surface of the cantilever under the strong elastic force action of the first spring to prevent the rebounding of a movable contact head of the circuit breaker, a third spring is fixed by utilizing a bulge and a buffer chamber through the bulge arranged on the surface of the transmission rod, when the transmission rod drives the movable contact head to move, the impact force when the transmission rod drives the movable contact head to contact, thereby reducing the abrasion of the contact head and prolonging the service life of the circuit breaker.
Drawings
Fig. 1 is a schematic view of the overall structure of an anti-bouncing device of a circuit breaker according to the present invention;
fig. 2 is a cross-sectional view of a vacuum arc-extinguishing device of a circuit breaker anti-bouncing device of the present invention;
fig. 3 is a schematic view of a local structure of the anti-bouncing device of the circuit breaker during opening;
fig. 4 is an enlarged view of a in fig. 2 of the anti-bouncing device for a circuit breaker of the present invention.
In the figure: 1. a side plate; 2. a main shaft; 3. a counter shaft; 4. a cantilever; 5. a recessed groove; 6. a gear lever; 7. a first spring; 8. a linkage rod; 9. a bolt; 10. a strut; 11. a second spring; 12. a transmission rod; 13. a vacuum arc extinguishing device; 14. a vacuum arc-extinguishing chamber; 15. a movable contact head; 16. a third spring; 17. a protrusion; 18. a buffer chamber.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-4, an anti-bouncing device for a circuit breaker includes a side plate 1, a main shaft 2 is disposed on a surface of the side plate 1, a support rod 10 is disposed on a surface of the main shaft 2, a second spring 11 is disposed on a surface of the support rod 10, an auxiliary shaft 3 is disposed at one end of the second spring 11, a stop lever 6 is disposed on a surface of the side plate 1, a cantilever 4 is disposed at an upper end of the stop lever 6, a linkage lever 8 is disposed at a lower end of the cantilever 4, a transmission rod 12 is disposed on a surface of the linkage lever 8, a vacuum arc extinguishing device 13 is disposed at an upper end of the transmission rod 12, a vacuum arc extinguishing chamber 14 is disposed inside the vacuum arc extinguishing device 13, a movable contact 15 is disposed at a lower end of the vacuum arc extinguishing chamber 14, a buffer chamber 18 is disposed at a lower end of the movable contact 15, a third spring.
The surface of the linkage rod 8 is provided with a bolt 9, the linkage rod 8 is movably connected with the side plate 1 through the bolt 9, a bearing is arranged between the main shaft 2 and the side plate 1, and the main shaft 2 is movably connected with the side plate 1 through the bearing, so that the main shaft 2 can rotate conveniently; the support rod 10 is fixedly connected with the main shaft 2 and the auxiliary shaft 3, the second spring 11 is connected with the support rod 10 in a sliding mode, a welding seam is arranged between the cantilever 4 and the main shaft 2, the main shaft 2 is fixedly connected with the cantilever 4 through the welding seam, the first spring 7 is fixedly connected with the side plate 1, the first spring 7 is movably connected with the cantilever 4, and the first spring 7 and the cantilever 4 are conveniently detached; a welding seam is arranged between the stop lever 6 and the side plate 1, the side plate 1 and the stop lever 6 are fixedly connected through the welding seam, the transmission rod 12 and the cantilever 4 are fixedly connected, the transmission rod 12 extends into the inner side of the vacuum arc extinguishing device 13, and the vacuum arc extinguishing device 13 is movably connected with the side plate 1, so that the vacuum arc extinguishing device 13 can be conveniently detached; the surface of the transmission rod 12 is provided with a bulge 17, the third spring 16 is fixedly connected with the bulge 17, the third spring 16 is in sliding connection with the transmission rod 12, the buffer chamber 18 is fixedly connected with the vacuum arc-extinguishing device 13, and the third spring 16 and the bulge 17 are both arranged on the inner side of the buffer chamber 18, so that the buffer chamber 18 can effectively buffer the impact force between the movable contact 15 and the static contact; the vacuum arc extinguishing chamber 14 is fixedly connected with the vacuum arc extinguishing device 13, the movable contact 15 is fixedly connected with the transmission rod 12, and the main shaft 2, the auxiliary shaft 3 and the gear lever 6 are all arranged in parallel.
What need to explain, the utility model relates to a circuit breaker is shellproof and jumps device, when using, when the circuit breaker separating brake, user's pulling countershaft 3 anticlockwise motion, make main shaft 2 anticlockwise motion under countershaft 3 drives, cantilever 4 also anticlockwise motion under the drive of main shaft 2 drive simultaneously, make the depressed trench 5 of 4 terminal surfaces of cantilever slowly be close shelves pole 6, when the circuit breaker reaches maximum open distance, the depressed trench 5 of 4 terminal surfaces of cantilever just in time can block into shelves pole 6, after the circuit breaker takes place to kick-back, under the strong spring action of first spring 7, tightly detain in the depressed trench 5 on 4 surfaces of cantilever 6 with shelves pole, prevent the circuit breaker and move contact head 15 and kick-back, the user utilizes the arch 17 on 12 surfaces of transfer line, be fixed in on arch 17 and surge chamber 18 with third spring 16, when transfer line 12 drives move contact head 15 and move, utilize the elasticity of third spring 16 to slow down 12 and drive the impact when moving contact head 15 and the contact head contact with static contact head contact of drive impact The dynamics to reduce the wearing and tearing of contact, prolong circuit breaker's life.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A circuit breaker bounce prevention device comprises a side plate (1), and is characterized in that: the surface of the side plate (1) is provided with a main shaft (2), the surface of the main shaft (2) is provided with a support rod (10), the surface of the support rod (10) is provided with a second spring (11), one end of the second spring (11) is provided with an auxiliary shaft (3), the surface of the side plate (1) is provided with a stop lever (6), the upper end of the stop lever (6) is provided with a cantilever (4), the lower end of the cantilever (4) is provided with a linkage lever (8), the surface of the linkage lever (8) is provided with a transmission rod (12), the upper end of the transmission rod (12) is provided with a vacuum arc extinguishing device (13), the inner side of the vacuum arc extinguishing device (13) is provided with a vacuum arc extinguishing chamber (14), the lower end of the vacuum arc extinguishing chamber (14) is provided with a movable contact head (15), the lower end of the movable contact head (15) is provided with a buffer chamber (, the surface of the side plate (1) is provided with a first spring (7), and one end of the first spring (7) is provided with a concave groove (5).
2. A circuit breaker anti-bounce device according to claim 1, characterized in that: the surface of the linkage rod (8) is provided with a bolt (9), the linkage rod (8) is movably connected with the side plate (1) through the bolt (9), a bearing is arranged between the main shaft (2) and the side plate (1), and the main shaft (2) is movably connected with the side plate (1) through the bearing.
3. A circuit breaker anti-bounce device according to claim 1, characterized in that: be fixed connection between branch (10) and main shaft (2), countershaft (3), sliding connection between second spring (11) and branch (10), be provided with the welding seam between cantilever (4) and main shaft (2), through welding seam fixed connection between main shaft (2) and cantilever (4), be fixed connection between first spring (7) and curb plate (1), be swing joint between first spring (7) and cantilever (4).
4. A circuit breaker anti-bounce device according to claim 1, characterized in that: be provided with the welding seam between shelves pole (6) and curb plate (1), pass through welding seam fixed connection between curb plate (1) and shelves pole (6), be fixed connection between transfer line (12) and cantilever (4), and transfer line (12) stretch into the inboard of vacuum arc extinguishing device (13), be swing joint between vacuum arc extinguishing device (13) and curb plate (1).
5. A circuit breaker anti-bounce device according to claim 1, characterized in that: the surface of the transmission rod (12) is provided with a protrusion (17), the third spring (16) is fixedly connected with the protrusion (17), the third spring (16) is in sliding connection with the transmission rod (12), the buffer chamber (18) is fixedly connected with the vacuum arc extinguishing device (13), and the third spring (16) and the protrusion (17) are arranged on the inner side of the buffer chamber (18).
6. A circuit breaker anti-bounce device according to claim 1, characterized in that: be fixed connection between vacuum interrupter (14) and vacuum arc control device (13), for fixed between movable contact (15) and transfer line (12), main shaft (2), countershaft (3) and shelves pole (6) are parallel arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286618.3U CN210516608U (en) | 2019-08-09 | 2019-08-09 | Anti-bouncing device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921286618.3U CN210516608U (en) | 2019-08-09 | 2019-08-09 | Anti-bouncing device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516608U true CN210516608U (en) | 2020-05-12 |
Family
ID=70588569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921286618.3U Active CN210516608U (en) | 2019-08-09 | 2019-08-09 | Anti-bouncing device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516608U (en) |
-
2019
- 2019-08-09 CN CN201921286618.3U patent/CN210516608U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2006031449A3 (en) | Circuit interrupting device with a turnbuckle and weld break assembly | |
| CN105977094A (en) | Bounce-free plug-in type vacuum arc-extinguishing chamber | |
| EP1681693A3 (en) | Monolithic stationary conductor and current limiting power switch incorporating same | |
| CN101908436A (en) | Arc extinguish chamber structure for lifting arc voltage | |
| JP2000215768A5 (en) | ||
| CN210516608U (en) | Anti-bouncing device of circuit breaker | |
| CN103985606A (en) | Contact structure and method for eliminating closing bounce | |
| CN102262982A (en) | High-speed contact driving mechanism of current-limiting breaker | |
| CN201060786Y (en) | Vacuum switch and vacuum switch tube | |
| CN109003858B (en) | Quick arc breaking device of high-voltage isolating switch and action method of quick arc breaking device during switching-on and switching-off | |
| CN107359081B (en) | A kind of method and switching device of motor driven bridging contact on-load switch | |
| CN213660289U (en) | Contact holding device of high-reliability vacuum circuit breaker and vacuum circuit breaker | |
| CN203644595U (en) | Switch apparatus contact device | |
| CN108320949A (en) | Quickly isolate formula arc-control device and arc-suppressing method | |
| CN2221826Y (en) | Gate-switching off air buffer of vacuum circuit breaker | |
| CN207818480U (en) | A kind of contactor of no secondary bounce | |
| CN103531399B (en) | Restriking-less vacuum circuit breaker based on automatic tripping amplitude adjustment | |
| CN202758806U (en) | Vacuum circuit breaker | |
| CN102426946B (en) | Auxiliary contact structure for low-voltage electrical appliance | |
| CN201112262Y (en) | Vacuum switch tube contact head and vacuum switch tube | |
| CN105070585A (en) | Manual opening-closing type permanent magnetic mechanism | |
| CN212874401U (en) | Anti-bouncing device of circuit breaker | |
| CN205911266U (en) | Miniature circuit breaker operating device improves structure | |
| CN203826308U (en) | Quick tripping mechanism for breaker | |
| CN102254758B (en) | Arc extinguish chamber applied to breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |