CN217061896U - Indoor vacuum circuit breaker - Google Patents
Indoor vacuum circuit breaker Download PDFInfo
- Publication number
- CN217061896U CN217061896U CN202220489290.0U CN202220489290U CN217061896U CN 217061896 U CN217061896 U CN 217061896U CN 202220489290 U CN202220489290 U CN 202220489290U CN 217061896 U CN217061896 U CN 217061896U
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- Prior art keywords
- circuit breaker
- steel wire
- box body
- transverse plate
- transmission lever
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- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses an indoor vacuum circuit breaker, the technical proposal main points of which comprise a box body and a circuit breaker body arranged in the box body, the bottom of the box body is provided with trundles, both sides of the box body are provided with moving handrails, the moving handrails are provided with pressing plates, both sides of the box body are also provided with a transmission lever and a locking mechanism, the locking mechanism comprises a telescopic rod and a transverse plate, the transverse plate is fixedly connected with the box body, one end of the telescopic rod is provided with a steel wire connected with the transmission lever, the other end of the telescopic rod passes through the transverse plate to extend out and is provided with a foot support and a limiting piece, a spring is abutted between the limiting piece and the transverse plate, the telescopic rod is also provided with a groove, the transverse plate is slidably connected with a fixed pin which is matched with the groove, the fixed pin is provided with a steel wire A fixedly connected with the transmission lever, the utility model discloses a trundle and a locking mechanism are provided, so that the circuit breaker can be conveniently moved and automatically locked after being stopped, the circuit breaker is guaranteed to be always in a fixed state without manual operation and cannot be moved, and safety is improved.
Description
Technical Field
The utility model relates to a circuit breaker technical field, more specifically say that it relates to an indoor vacuum circuit breaker.
Background
The indoor vacuum circuit breaker is used for controlling and protecting electrical equipment of power plants, transformer substations and industrial and mining enterprises. The structure of the vacuum switch comprises three parts, namely a pole part, an operating mechanism and a chassis, wherein the pole part comprises a vacuum arc extinguish chamber, a vacuum pole, a static contact and a moving contact, the static contact and the moving contact are arranged in the vacuum arc extinguish chamber, the moving contact is connected with a lower vacuum pole and is connected with the operating mechanism through a pull rod, and the static contact is connected with an upper vacuum pole. In order to conveniently carry the circuit breaker, a hand-push type circuit breaker appears in the market at present, namely four wheels are installed on a chassis, but the circuit breaker is unstable after being fixed due to the installation of the wheels, and is very inconvenient to disassemble if the wheels on the traditional circuit breaker are to be disassembled.
At present, the utility model patent of grant publication number CN206148353U discloses an indoor high-pressure vacuum circuit breaker, the power distribution box comprises a box body, the bottom of box is equipped with the truckle with box fixed connection, the truckle includes that two are located the directive wheel with one side and two universal wheels that are located the opposite side, the box is equipped with the lifting mechanism of raising the box.
It has solved the inconvenience of dismouting wheel through lifting mechanism, but still has the problem: the vacuum circuit breaker is fixed after being stopped by manually operating the lifting mechanism, so that the vacuum circuit breaker can be always in an unfixed state if an operator forgets to operate the vacuum circuit breaker after being stopped, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model provides a be not enough to prior art exists, the utility model provides an indoor vacuum circuit breaker has truckle and locking mechanical system for the circuit breaker is convenient to be removed and automatic locking after stopping, guarantees that the circuit breaker is in the stationary state under the condition that does not have the manual operation always, and unable removal increases the security.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an indoor vacuum circuit breaker, includes the box and installs the circuit breaker body in the box, the bottom of box is provided with truckle, its characterized in that: the bilateral symmetry of box is provided with the removal handrail, be provided with the press plate on the removal handrail, the both sides of box still symmetry are provided with transmission lever and locking mechanical system, transmission lever is articulated with the box, and its one end offsets with the press plate, and the other end is equipped with the elongated slot to at the inslot is provided with the steel wire, the steel wire is connected with locking mechanical system, locking mechanical system includes telescopic link and diaphragm, diaphragm and box fixed connection, the one end of telescopic link establish with steel wire fixed connection, the other end passes the diaphragm and stretches out to be provided with heel brace and spacing piece, the butt has the spring between spacing piece and the diaphragm, still be provided with the recess on the telescopic link, sliding connection has the fixed pin on the diaphragm, the fixed pin cooperatees with the recess, be provided with on the fixed pin with transmission lever fixed connection's steel wire A.
The utility model discloses further set up to: the fixed pin passes through the spout with the diaphragm and realizes sliding connection to there is spring B butt between fixed pin and diaphragm, the fixed pin is provided with the chute, and institute's steel wire A sets up in the chute.
The utility model discloses further set up to: the bottom surface of the foot support is provided with a rubber anti-skid layer.
The utility model discloses further set up to: the end part of the fixing pin, which is matched with the groove, is provided with an inclined plane, and the inclined plane faces to the outer side of the transverse plate and is positioned on the motion path of the telescopic rod.
The utility model discloses further set up to: the movable armrest is provided with a cavity for the pressing plate to move up and down, the pressing plate is of an L-shaped structure, two ends of the pressing plate are respectively provided with a holding part and a transmission part, the holding part is matched with the movable armrest and is positioned above the movable armrest, and the transmission part is abutted against the transmission lever.
The utility model discloses further set up to: the truckle is the universal wheel.
The utility model discloses further set up to: the distance from the hinged point of the transmission lever to the pressing plate is larger than the distance from the hinged point to the steel wire.
To sum up, the utility model discloses following beneficial effect has:
compared with the prior art, the utility model, set up the telescopic link and played the fixed action when the truckle is convenient for remove at the bottom half, and cooperate locking mechanical system, transmission lever, removal handrail and pressing plate, operating personnel drives the action of transmission lever through operating the pressing plate, and the steel wire on the transmission lever will stimulate the telescopic link, and steel wire A stimulates the fixed pin, removes the restriction of locking mechanical system to the telescopic link and lifts the telescopic link up, makes the heel brace on the telescopic link leave ground, and the circuit breaker body just can be convenient removal under the effect of truckle at this moment; after moving assigned position, operating personnel loosens and presses the clamp plate, and the telescopic link will move down under the effect of spring, lets the foot prop to ground again to fixed pin in the locking mechanical system also cooperatees with the recess on the telescopic link under spring B's effect, blocks the telescopic link, realizes the fixed to circuit breaker body and box.
The utility model discloses it is fixed just can to remove according to the pressing plate in needs manual work removal, removes, in case the manual work loosens according to the pressing plate, box and circuit breaker body are automatic fixed promptly, have solved prior art and need manual operation lifting mechanism to fix, if operating personnel forgets the operation, vacuum circuit breaker will be in always not have fixed state, has the problem of potential safety hazard.
Drawings
FIG. 1 is a side view of the external structure of the present embodiment;
FIG. 2 is a schematic view of the foot support lifting structure of the present embodiment;
fig. 3 is a schematic diagram of a pressing plate structure in the present embodiment.
Reference numerals are as follows: 1. a box body; 2. a circuit breaker body; 3. a caster wheel; 4. moving the armrest; 401. a cavity; 5. A pressing plate; 501. a holding part; 502. a transmission part; 6. a transmission lever; 7. a locking mechanism; 701. a telescopic rod; 702. a transverse plate; 8. a steel wire; 9. a foot support; 901. a rubber anti-slip layer; 10. a limiting sheet; 11. a spring; 12. a fixing pin; 1201. a chute; 13. a groove; 14. a bevel; 15. a long groove; 16. a spring B; 17. Steel wire a.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment discloses an indoor vacuum circuit breaker, as shown in fig. 1-3, comprising a box body 1 and a circuit breaker body 2 installed in the box body 1, wherein the bottom of the box body 1 is provided with casters 3 to facilitate movement of the circuit breaker body 2, two sides of the box body 1 are symmetrically provided with a movable armrest 4, the movable armrest 4 is provided with a pressing plate 5, two sides of the box body 1 are further symmetrically provided with a transmission lever 6 and a locking mechanism 7, the transmission lever 6 is hinged with the box body 1, one end of the transmission lever 6 abuts against the pressing plate 5, the other end of the transmission lever is provided with an elongated slot 15 and is provided with a steel wire 8, the steel wire 8 is connected with the locking mechanism 7, the locking mechanism 7 comprises a telescopic rod 701 and a transverse plate 702, the transverse plate 702 is fixedly connected with the box body 1, one end of the telescopic rod 701 is fixedly connected with the steel wire 8, the other end of the telescopic rod penetrates through the transverse plate 702 to extend out, and is provided with a foot support 9 and a limiting sheet 10, a spring 11 abuts against the transverse plate 702, the telescopic rod 701 is further provided with a groove 13, the transverse plate 702 is connected with a fixing pin 12 in a sliding mode, the fixing pin 12 is matched with the groove 13, and the fixing pin 12 is provided with a steel wire A17 fixedly connected with the transmission lever 6.
Further, referring to fig. 1 and 2, when a worker presses the pressing plate 5, the transmission portion 502 of the pressing plate 5 drives the transmission lever 6 to rotate, the steel wire 8 is disposed in the long slot 15, and the steel wire a17 is fixedly connected to the transmission lever 6, so that when the transmission lever 6 rotates, the steel wire a17 pulls the fixing pin 12 first, and the fixing pin 12 is provided with the inclined slot 1201, the steel wire a17 moves in the inclined slot 1201 when pulling up, thereby pulling the fixing pin 12 outwards, releasing the limit of the fixing pin 12 on the telescopic rod 701, at this time, the steel wire 8 just reaches the edge of the long slot 15, the steel wire 8 drives the telescopic rod 701 to pull up, the foot support 9 is lifted off the ground, so that the worker can conveniently move the breaker body 2, and after releasing the moving handrail 4 and the pressing plate 5 thereon, the telescopic rod 701 is under the action of the spring 11, the fixing pin 12 is clamped with the groove 13 again under the action of the spring B16, extra operation is not needed, and potential safety hazards caused by forgetting to fix the fixing pin are avoided; and, transmission lever 6 adopts the steel wire transmission to be connected with locking mechanical system 7, and the advantage of steel wire transmission compare in the connecting rod transmission is that the length of steel wire transmission can conveniently be adjusted to change the lifting distance of telescopic link 701, can adapt to the ground of co-altitude not.
Further, referring to fig. 3, a cavity 401 is formed on the movable armrest 4, a holding portion 501 of the pressing plate 5 is located in the cavity 401, and a transmission portion 502 extends from one side of the cavity 401 to abut against the transmission lever 6.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. An indoor vacuum circuit breaker, includes box (1) and installs circuit breaker body (2) in box (1), the bottom of box (1) is provided with truckle (3), its characterized in that: the movable armrest is characterized in that movable armrests (4) are symmetrically arranged on two sides of the box body (1), a pressing plate (5) is arranged on each movable armrest (4), transmission levers (6) and locking mechanisms (7) are symmetrically arranged on two sides of the box body (1), each transmission lever (6) is hinged to the box body (1), one end of each transmission lever abuts against the corresponding pressing plate (5), an elongated slot (15) is formed in the other end of each transmission lever, a steel wire (8) is arranged in each slot, each steel wire (8) is connected with each locking mechanism (7), each locking mechanism (7) comprises a telescopic rod (701) and a transverse plate (702), each transverse plate (702) is fixedly connected with the box body (1), one end of each telescopic rod (701) is fixedly connected with the corresponding steel wire (8), the other end of each telescopic rod penetrates through the corresponding transverse plate (702) to extend out, each foot support (9) and each limiting sheet (10) are arranged, a spring (11) abuts against the transverse plates (702), still be provided with recess (13) on telescopic link (701), sliding connection has fixed pin (12) on diaphragm (702), fixed pin (12) cooperate with recess (13), be provided with on fixed pin (12) with transmission lever (6) fixed connection's steel wire A (17).
2. An indoor vacuum circuit breaker according to claim 1 wherein: the fixing pin (12) and the transverse plate (702) are in sliding connection through the sliding grooves, the spring B (16) is connected between the fixing pin (12) and the transverse plate (702) in a butting mode, the fixing pin (12) is provided with a chute (1201), and the steel wire A (17) is arranged in the chute (1201).
3. An indoor vacuum circuit breaker according to claim 1 wherein: the bottom surface of the foot support (9) is provided with a rubber anti-slip layer (901).
4. An indoor vacuum circuit breaker according to claim 1 wherein: the end part of the fixing pin (12) matched with the groove (13) is provided with an inclined surface (14), and the inclined surface (14) faces to the outer side of the transverse plate (702) and is positioned on the motion path of the telescopic rod (701).
5. An indoor vacuum circuit breaker according to claim 1 wherein: the movable armrest is characterized in that a cavity (401) which can be used for the pressing plate (5) to move up and down is formed in the movable armrest (4), the pressing plate (5) is of an L-shaped structure, a holding portion (501) and a transmission portion (502) are respectively arranged at two ends of the pressing plate (5), the holding portion (501) is matched with the movable armrest (4) and is located above the movable armrest (4), and the transmission portion (502) is abutted to the transmission lever (6).
6. An indoor vacuum interrupter as claimed in claim 1, wherein: the caster wheels (3) are universal wheels.
7. An indoor vacuum interrupter as claimed in claim 1, wherein: the distance from the hinge point of the transmission lever (6) to the pressing plate (5) is greater than the distance from the hinge point to the steel wire (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489290.0U CN217061896U (en) | 2022-03-03 | 2022-03-03 | Indoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489290.0U CN217061896U (en) | 2022-03-03 | 2022-03-03 | Indoor vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217061896U true CN217061896U (en) | 2022-07-26 |
Family
ID=82489064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220489290.0U Expired - Fee Related CN217061896U (en) | 2022-03-03 | 2022-03-03 | Indoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217061896U (en) |
-
2022
- 2022-03-03 CN CN202220489290.0U patent/CN217061896U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220726 |