CN203367179U - A brake opening and closing operating mechanism used for a breaker - Google Patents
A brake opening and closing operating mechanism used for a breaker Download PDFInfo
- Publication number
- CN203367179U CN203367179U CN 201320435206 CN201320435206U CN203367179U CN 203367179 U CN203367179 U CN 203367179U CN 201320435206 CN201320435206 CN 201320435206 CN 201320435206 U CN201320435206 U CN 201320435206U CN 203367179 U CN203367179 U CN 203367179U
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- China
- Prior art keywords
- release lever
- rotating shaft
- back link
- cantilever
- breaker
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- 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.)
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Abstract
Provided is a brake opening and closing operating mechanism used for a breaker. The brake opening and closing operating mechanism used for the breaker comprises a side plate (1). The brake opening and closing operating mechanism used for the breaker is characterized in that: a semi-shaft (2), a buckle releasing rod (3), a rotating shaft (4), and a energy storage rod (5) are arranged on the side plate (1) through hinged connection; a buckle releasing rod stopping blocking shaft (6a), a stopping blocking shaft (6), and a position limiting shaft (7) are fixedly installed on the side plate (1); a cantilever (8) is fixedly installed on the rotating shaft (4); the buckle releasing rod (3) is in hinged connection with a front connecting rod (9); the front connecting rod (9) is in hinged connection with a rear connecting rod (9); the rear connecting rod (9) is in hinged connection with the cantilever (8); a roller (11) is arranged between the front connecting rod (9) and the rear connecting rod (10), or arranged on the front connecting rod (9), or arranged on the rear connecting rod (10). According to the brake opening and closing operating mechanism used for the breaker of the utility model, two-stage transmission of brake opening and closing mechanisms of barkers in the prior art is changed into one-stage transmission. Through the one-stage transmission, a reasonable contact force between the buckle releasing rod (3) and the semi-shaft (2) is guaranteed, and at the same time, force applied to the operating mechanism in a brake closing state is transmitted to the rotating shaft (4) and a buckle releasing rod rotating shaft, so that not only are components of the whole mechanism reduced, but also the reliability of the transmission is improved, and the rapidity degree of opening and closing operating of the breaker are improved.
Description
Technical field
The utility model belongs to the low voltage equipment technical field, specifically just relates to a kind of opening/closing operation mechanism for circuit breaker, can improve divide-shut brake rapidity and the reliability of circuit breaker, simple in structure, and operation is convenient.
Background technology
Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application.Low-voltage circuit breaker claims again automatic switch, is commonly called as " air switch " and also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, can automatically carry out again decompression, under-voltage, overload and the electrical equipment of short-circuit protection.It can be used to distribute electric energy; do not start continually asynchronous motor; power circuit and motor etc. are carried out to protection; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for they; its function is equivalent to the combination of Fuse switch and mistake underheat relay etc.; and generally do not need to change parts after the disjunction fault current, obtain a wide range of applications.
The omnipotent breaker opening/closing operation mechanism is one of vitals in spring operating mechanism of circuit breaker, and its effect is to coordinate stored energy mechanism to complete on/off switch and the action of threading off, and guarantees the locking of each operating state.Mostly structure is more complicated for circuit breaker on/off switch operating mechanism as existing as accompanying drawing 1, causes to close that minute rapidity is slow, Reliability of Microprocessor is not high.
Chinese patent CN1017709044A discloses the rotating shaft connected system in a kind of circuit breaker operation mechanism, the main shaft of this rotating shaft connected system connecting breaker, cantilever on main shaft and the quadric chain of circuit breaker, this rotating shaft connected system comprises: connecting pin is connected in the cantilever of main shaft; Connect roller, be enclosed within on connecting pin; Rotating shaft; Cam, be connected in rotating shaft and rotate around the axis; Wherein, one side of cam connects quadric chain, the opposite side of cam be connected roller contact, this utility model can reduce the tripping force of operating mechanism, but whole mechanism realizes the divide-shut brake motion by the two-stage transmission, the transmission complexity, precision is not high, the divide-shut brake rapidity is slower, reduces the performance of circuit breaker.
The utility model content
The purpose of this utility model is the close/open machine for existing circuit breaker, complex structure, secondary transmission causes the divide-shut brake rapidity slower, the technological deficiency of reliable transmission deficiency, a kind of opening/closing operation mechanism for circuit breaker is provided, and changing breaker close/open machine secondary transmission in prior art is the one-level transmission, has not only reduced the parts of whole mechanism, the reliability of the transmission simultaneously improved, accelerated the circuit-breaker switching on-off rapidity.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of opening/closing operation mechanism for circuit breaker of the utility model design, it comprises side plate, it is characterized in that: hinged semiaxis, release lever, rotating shaft and the energy storage bar of being equipped with on described side plate, release lever backstop axle, backstop axle and limit shaft fixedly are housed, cantilever fixedly is housed in described rotating shaft, described release lever and front rod are hinged, front rod and back link are hinged, back link and cantilever are hinged, and roller is arranged between front rod and back link or on front rod or on back link;
Described semiaxis can rotate around self pin joint, release lever can rotate around self pin joint, can be tangent with semiaxis and release lever backstop axle respectively in the release lever rotation process, the energy storage bar can rotate around self pin joint, energy storage bar rotation process can drive the roller motion, thereby drive hinged each other front rod and back link motion, the motion of back link drives cantilever and rotates, the rotation of cantilever drives rotating shaft and rotates, can limit rotational travel by limited axle in the cantilever rotation process, in the front rod motion process, can be limited movement travel by the stop axle.
In described release lever rotation process, can turn to and back link and the same pivot of energy storage bar three.Described limit shaft is positioned at the front rod lower position.
Described stop axle is positioned at the back link top position.
Described release lever backstop axle is positioned at the below of semiaxis.
Beneficial effect
The utility model is the one-level transmission by changing breaker close/open machine secondary transmission in prior art, one-level is rotated in the contact force that guarantees rational release lever and semiaxis simultaneously, to pass to rotating shaft and release lever rotating shaft under "on" position the power of operating mechanism, the parts of whole mechanism have not only been reduced, the reliability of the transmission simultaneously improved, accelerated the circuit-breaker switching on-off rapidity.
The accompanying drawing explanation
Accompanying drawing 1 is gate-dividing state structural representation of the present utility model.
Accompanying drawing 2 is "on" position structural representations of the present utility model.
Accompanying drawing 3 is the utility model trip status structural representations.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment
A kind of opening/closing operation mechanism for circuit breaker, it comprises side plate 1, wherein, on described side plate 1, hinged semiaxis 2, release lever 3, rotating shaft 4 and the energy storage bar 5 of being equipped with, fixedly be equipped with release lever backstop axle 6a, backstop axle 6 and limit shaft 7, in described rotating shaft 4, cantilever 8 fixedly is housed, described release lever 3 is hinged with front rod 9, front rod 9 is hinged with back link 10, and back link 10 and cantilever are hinged 8, and roller 11 is arranged between front rod 9 and back link 10 or on front rod 9 or on back link 10;
Described semiaxis 2 can rotate around self pin joint, release lever 3 can rotate around self pin joint, can be tangent with semiaxis 2 and release lever backstop axle 6a respectively in release lever 3 rotation processes, energy storage bar 5 can rotate around self pin joint, energy storage bar 5 rotation processes can drive roller 11 motions, thereby drive hinged each other front rod 9 and back link 10 motions, the motion of back link 10 drives cantilever 8 and rotates, the rotation of cantilever 8 drives rotating shaft 4 and rotates, can limit rotational travel by limited axle 7 in cantilever 8 rotation processes, can be limited movement travel by stop axle 6 in front rod 1 motion process.
In described release lever 3 rotation processes, can turn to and back link 10 and the same pivot of energy storage bar 5 three.
Described limit shaft 7 is positioned at front rod 9 lower positions.
Described stop axle 6 is positioned at back link 10 top positions.
Described release lever backstop axle 6a is positioned at the below of semiaxis 2.
The course of work of the present utility model is as shown in Figure 1, under gate-dividing state: energy storage bar 5 under the energy-stored spring effect when the energy storage position, tangent with release lever backstop axle 6a with the release lever 3 that front rod 9 is hinged, cantilever 8 and the tangent stroke that is limited of limit shaft 7 in rotating shaft 4, front rod 9 and back link 10 can contact with energy storage bar 5 by roller 11, and then cause rotating shaft 4 to rotate counterclockwise rear beginning feed motion.
As shown in Figure 2 under "on" position, release lever 3 is tangent with semiaxis 2, front rod 9 and the tangent stroke that is limited of backstop axle 6, and the cantilever 8 in rotating shaft 4 leaves limit shaft 7 and has a certain degree with side plate 1, now, release lever 3 turns to and front rod 9 and the same pivot of energy storage bar 5 three.
Under trip status, energy storage bar 5 is when releasing the energy position as shown in Figure 3, and release lever 3 leaves semiaxis 2, and front rod 9 leaves backstop axle 6, and the cantilever 8 in rotating shaft 4 is tangent with limit shaft 7.
The utility model is the one-level transmission by changing breaker close/open machine secondary transmission in prior art, one-level is rotated and is being guaranteed the contact force while of rational release lever 3 with semiaxis 2, to pass to rotating shaft 4 and release lever rotating shaft under "on" position the power of operating mechanism, the parts of whole mechanism have not only been reduced, the reliability of the transmission simultaneously improved, accelerated the circuit-breaker switching on-off rapidity.
The claimed technology contents of the utility model is not limited only to the technical scheme that the present embodiment provides, and any technical scheme of the present embodiment enlightenment that is subject to all falls into protection range of the present utility model.
Claims (5)
1. the opening/closing operation mechanism for circuit breaker, it comprises side plate (1), it is characterized in that: the upper hinged semiaxis (2) that is equipped with of described side plate (1), release lever (3), rotating shaft (4) and energy storage bar (5), release lever backstop axle (6a) fixedly is housed, backstop axle (6) and limit shaft (7), the upper cantilever (8) that fixedly is equipped with of described rotating shaft (4), described release lever (3) is hinged with front rod (9), front rod (9) is hinged with back link (10), back link (10) is hinged with cantilever (8), roller (11) is arranged between front rod (9) and back link (10) or front rod (9) is upper or back link (10) on,
Described semiaxis (2) can rotate around self pin joint, release lever (3) can rotate around self pin joint, can be tangent with semiaxis (2) and release lever backstop axle (6a) respectively in release lever (3) rotation process, energy storage bar (5) can rotate around self pin joint, energy storage bar (5) rotation process can drive roller (11) motion, thereby drive hinged each other front rod (9) and back link (10) motion, the motion of back link (10) drives cantilever (8) and rotates, the rotation of cantilever (8) drives rotating shaft (4) and rotates, can limit rotational travel by limited axle (7) in cantilever (8) rotation process, can be limited movement travel by stop axle (6) in front rod (1) motion process.
2. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, is characterized in that: in described release lever (3) rotation process, can turn to and back link (10) and the same pivot of energy storage bar (5) three.
3. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, it is characterized in that: described limit shaft (7) is positioned at front rod (9) lower position.
4. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, it is characterized in that: described stop axle (6) is positioned at back link (10) top position.
5. a kind of opening/closing operation mechanism for circuit breaker as claimed in claim 1, it is characterized in that: described release lever backstop axle (6a) is positioned at the below of semiaxis (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435206 CN203367179U (en) | 2013-07-22 | 2013-07-22 | A brake opening and closing operating mechanism used for a breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435206 CN203367179U (en) | 2013-07-22 | 2013-07-22 | A brake opening and closing operating mechanism used for a breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367179U true CN203367179U (en) | 2013-12-25 |
Family
ID=49814902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320435206 Expired - Lifetime CN203367179U (en) | 2013-07-22 | 2013-07-22 | A brake opening and closing operating mechanism used for a breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203367179U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104124112A (en) * | 2014-08-09 | 2014-10-29 | 无锡智卓电气有限公司 | Electric operating mechanism for circuit breaker with separating brake protection |
| CN104332363A (en) * | 2013-07-22 | 2015-02-04 | 上海良信电器股份有限公司 | Switching off-and-on operating mechanism for circuit breaker |
-
2013
- 2013-07-22 CN CN 201320435206 patent/CN203367179U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332363A (en) * | 2013-07-22 | 2015-02-04 | 上海良信电器股份有限公司 | Switching off-and-on operating mechanism for circuit breaker |
| CN104124112A (en) * | 2014-08-09 | 2014-10-29 | 无锡智卓电气有限公司 | Electric operating mechanism for circuit breaker with separating brake protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |