CN207664009U - A kind of opening transmission device of circuit breaker operation mechanism - Google Patents

A kind of opening transmission device of circuit breaker operation mechanism Download PDF

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Publication number
CN207664009U
CN207664009U CN201721891471.1U CN201721891471U CN207664009U CN 207664009 U CN207664009 U CN 207664009U CN 201721891471 U CN201721891471 U CN 201721891471U CN 207664009 U CN207664009 U CN 207664009U
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China
Prior art keywords
driving
rotating
draw bar
axis
separating brake
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Active
Application number
CN201721891471.1U
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Chinese (zh)
Inventor
王晖
周敏琛
马雄杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Switchgear Manufacturing Co Ltd
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Changshu Switchgear Manufacturing Co Ltd
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Priority to CN201721891471.1U priority Critical patent/CN207664009U/en
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Abstract

A kind of opening transmission device of circuit breaker operation mechanism, the breaker includes pedestal, the operating mechanism on pedestal and the interlocking shaft being rotatably arranged on pedestal, the operating mechanism includes a pair of side plate being mounted on pedestal and the separating brake semiaxis being rotatably arranged between a pair of side plates, it is characterized in that, it further include an opening transmission device, the opening transmission device includes rotating member and draw bar, rotating member is rotatably arranged on operating mechanism, interlocking shaft drives rotating member rotation by draw bar, triggering separating brake semiaxis action after rotating member rotation.Due to being equipped with interlock between separating brake semiaxis and interlocking shaft, interlocking shaft drives separating brake semiaxis by the interlock, so that the position of separating brake semiaxis is not necessarily to improve the flexibility of operating mechanism design close to the interlocking shaft, the development need of breaker has been adapted to.

Description

A kind of opening transmission device of circuit breaker operation mechanism
Technical field
The utility model belongs to low voltage electrical apparatus technology field, and in particular to a kind of separating brake transmission dress of circuit breaker operation mechanism It sets.
Background technology
Low-voltage frame circuit breaker is a kind of low voltage electrical equipment component that capacity is larger, is mainly used for industrial power train In system, it can be ensured that the connection of circuit and cut-off under nominal load, and abnormality occur in circuit(Such as overload and it is short Road)Lower automatic shutoff circuit, and load can be made to be completely isolated from power by detaching dynamic and static contact.
The operating mechanism of low-voltage frame circuit breaker is the important component for controlling breaker and carrying out on/off switch operation, in specific field It closes(If distribution loop needs maintenance etc.)Lower is to ensure safety, should ensure that breaker is off, at this time can be to breaker Carry out sub-switching operation.
The opening transmission device of circuit breaker operation mechanism is shown in Fig. 1, including operating mechanism 2, pedestal 1, interlocking in the prior art Axis 3, interlocking shaft 3 is positioned in the slot of pedestal 1 and rotatably, operating mechanism 2 includes a pair of side plates 21 and is arranged in a pair of side plates Between 21 and separating brake semiaxis 22 free to rotate, separating brake semiaxis 22 are in direct contact with the interlocking shaft 3.When needs are to open circuit When device carries out sub-switching operation, the head of interlocking shaft 3 can be acted on by external force, so that interlocking shaft 3 is rotated, to drive separating brake semiaxis 22 rotations, to realize the sub-switching operation to operating mechanism 2.Since separating brake semiaxis 22 and interlocking shaft 3 are in direct contact in the structure, because Separating brake semiaxis 22 must be arranged close to interlocking shaft 3 for this, to limit the installation site of separating brake semiaxis 22, reduce operation The flexibility that mechanism 2 designs.
Invention content
The purpose of this utility model is to provide a kind of opening transmission device of circuit breaker operation mechanism, separating brake semiaxis with Interlock is had additional between interlocking shaft, interlocking shaft drives separating brake semiaxis by the interlock so that the position of separating brake semiaxis It sets without close to the interlocking shaft, the flexibility of operating mechanism design can be improved, adapted to the development need of breaker.
What the purpose of this utility model was such to reach, a kind of opening transmission device of circuit breaker operation mechanism is described Breaker include pedestal, the operating mechanism on pedestal and the interlocking shaft being rotatably arranged on pedestal, the operation Mechanism includes a pair of side plate being mounted on pedestal and the separating brake semiaxis being rotatably arranged between a pair of side plates, further includes a separating brake Transmission device, the opening transmission device include rotating member and draw bar, and rotating member is rotatably arranged on operating mechanism, interlocking Axis drives rotating member rotation by draw bar, triggering separating brake semiaxis action after rotating member rotation.
In a specific embodiment of the utility model, the rotating member is rotatably arranged on side plate;And institute The draw bar stated includes drawing club shaft and the draw bar connecting pin positioned at traction club shaft both ends, wherein a draw bar connecting pin The connection rotating member, wherein the interlocking shaft that the connection of another draw bar connecting pin is described.
In another specific embodiment of the utility model, the rotating member has the first swinging end, the second pendulum Moved end and mounting hole for being rotatablely installed with side plate, first swinging end is used for and the abutting end in separating brake semiaxis drives Cooperation, second swinging end be equipped with for connecting hole that wherein a draw bar connecting pin is connect.
In another specific embodiment of the utility model, the interlocking shaft includes axis body, in one end of axis body It is equipped with driving end equipped with driven moved end, the other end, reply part is arranged on axis body, and be equipped with and use on the driving end In the driving end external part being connect with the draw bar connecting pin;The driven moved end is used for the driving of other components, and And it is driven after, drive the axis body to rotate, and axis body rotation after drive the driving end to rotate;When external motivating force from When being withdrawn from driven moved end, the reply part provides restoring force so that the axis body, driven moved end, driving end are replied State to before being driven.
In another specific embodiment of the utility model, the reply part is torsional spring, is sleeved on leaning on for axis body The one end at nearly driving end, the abutment end for replying part are resisted against on pedestal, and the driving end that another abutment end is resisted against driving end is stretched In outlet.
The utility model passes through the interlock due to being equipped with interlock, interlocking shaft between separating brake semiaxis and interlocking shaft To drive separating brake semiaxis so that the position of separating brake semiaxis is not necessarily to improve the spirit of operating mechanism design close to the interlocking shaft Activity has adapted to the development need of breaker.
Description of the drawings
Fig. 1 is existing breaker portion structural schematic diagram.
Fig. 2 be the utility model is related to breaker portion structural schematic diagram.
Fig. 3 be the utility model is related to breaker portion Structure explosion diagram.
Fig. 4 be the utility model is related to draw bar schematic diagram.
Fig. 5 be the utility model is related to rotating member schematic diagram.
Fig. 6 be the utility model is related to interlocking shaft schematic diagram.
Fig. 7 be the utility model is related to separating brake semiaxis schematic diagram.
In figure:1. pedestal, 11. mounting grooves;2. operating mechanism, 21. side plates, 22. separating brake semiaxis, 221. separating brake semiaxis axis Body, 222. abutting ends;3. interlocking shaft, 31. axis bodies, 32. driven moved ends, 33. driving ends, 331. driving end external parts, 34. are replied Part;4. opening transmission device, 41. rotating members, 411. first swinging ends, 412. second swinging ends, 4121. connecting holes, 413. peaces Fill hole, 42. draw bars, 421. traction club shafts, 422. draw bar connecting pins.
Specific implementation mode
Applicant will below be described in detail specific embodiment of the present utility model in conjunction with attached drawing, but applicant is to reality The description for applying example is not the limitation to technical solution, and any changed in the form rather than substance according to the utility model design is all answered When being considered as the scope of protection of the utility model.
As Fig. 2 to Fig. 7 be the utility model is related to technical solution schematic diagram.The breaker includes pedestal 1, installation Operating mechanism 2 on pedestal 1, the operating mechanism 2 include a pair of side plates 21 and are rotatably arranged between a pair of side plates 21 Separating brake semiaxis 22.Described a pair of side plates 21 is mounted on pedestal 1 and is separated by setting.A pair of side plates 21 is usually by metallic plate system At described a pair of side plates 21 is used for the installation and positioning of 2 internal part of operating mechanism.The separating brake semiaxis 22 receives driving After rotate, the separating brake semiaxis 22 rotation after trigger action mechanism 2 carry out separating brake action.Specifically, the separating brake semiaxis After 22 rotations, the link assembly inside operating mechanism 2 is unlocked, to carry out separating brake action.
Interlocking shaft 3 is installed on the one side of operating mechanism 2 in pedestal 1, interlocking shaft 3 is rotatable, is arranged in base On seat 1 in corresponding mounting groove 11.The shape and the shape of interlocking shaft 3 of the mounting groove 11 match, that is, meet when interlocking After axis 3 is installed in mounting groove 11, the interlocking shaft 3 can meet its requirements of one's work, you can in the rotational angle of needs Rotation.
See that Fig. 6, the interlocking shaft 3 include axis body 31, driven moved end 32 is equipped in one end of axis body 31, and in axis body 31 The other end be equipped with driving end 33, and be arranged on axis body 31 and to reply part 34.The driven moved end 32 is used for other portions The driving of part, and it is driven after, drive the axis body 31 to rotate, and axis body 31 rotate after drive 33 turns of the driving end It is dynamic.Such as when breaker body is drawn out circuit breaker drawer base, it is located at driven described in the component driving on drawer chassis 32 rotation of end, driven moved end 32 drive axis body 31 to rotate after rotating, and axis body 31 drives driving end 33 to rotate after rotating.And it is described The effect for replying part 34 is to provide restoring force for interlocking shaft 3, i.e., described when external motivating force is withdrawn from from driven moved end 32 Reply part 34 restoring force is provided so that the axis body 31, driven moved end 32, driving end 33 are returned to the shape before being driven State.Preferably, the reply part 34 is torsional spring, is sleeved on the one end at the close driving end 33 of axis body 31, replys the one of part 34 Abutment end is resisted against on pedestal 1, and another abutment end is resisted against on the driving end external part 331 at driving end 33.
The core of the utility model is to be equipped with opening transmission device 4, and the opening transmission device 4 includes rotating member 41 and draw bar 42.The rotating member 41 is rotatably arranged on the wherein side plate 21 of a pair of side plates.And the draw bar 42 be a connecting rod, and one end connects rotating member 41, and the other end connects the driving end 33 of interlocking shaft 3.When interlocking shaft 3 is driven by outside Dynamic, after rotation, driving end 33 thereon is also followed by rotation, and drives the rotating member 41 to rotate by draw bar 42, turns Moving part 41 drives the separating brake semiaxis 22 to rotate, and finally carries out separating brake action by 22 trigger action mechanism 2 of separating brake semiaxis.
See that Fig. 4, the draw bar 42 include traction club shaft 421 and the draw bar positioned at 421 both ends of traction club shaft Connecting pin 422.Preferably, the draw bar connecting pin 422 is hook-shaped, wherein a draw bar connecting pin 422 is caught on described Rotating member 41 a swinging end on, wherein the driving end that another draw bar connecting pin 422 is caught on the driving end 33 is stretched Outlet 331.
See that Fig. 5, the rotating member 41 are equipped with the mounting hole 413 for being rotatablely installed with side plate 21, the rotation Part 41 arrives the inside of side plate 21 by the mounting hole 413 rotation setting, specifically, the installation can be passed through by a rotation axis Hole 413, rotation axis are installed on side plate 21, so that the rotating member 41 is rotatably arranged on the inside of side plate 21.It is preferred that , the rotating member 41 is in Cyclic dart shape, and the rotating member 41 has the first swinging end 411 and the second swinging end 412, institute The second swinging end 412 stated is equipped with connecting hole 4121, and the mounting hole 413 is located at the center position of rotating member 41.
See Fig. 7, the separating brake semiaxis 22 is identical as separating brake semiaxis structure in the prior art, does not remake detailed retouch It states.Thereon include a separating brake semiaxis axis body 221 and positioned at 221 one end of separating brake semiaxis axis body and be used for and rotating member 41 coordinate Abutting end 222.Specifically, 411 press-fit of the first swinging end of the abutting end 222 and rotating member 41;And the second pendulum Moved end 412 is used to connect with a wherein draw bar connecting pin 422 by connecting hole 4121 thereon.
Technical solution involved by the utility model, as a result of opening transmission device 4 so that the position of separating brake semiaxis 22 It sets without close to the interlocking shaft 3, having adapted to the development need of breaker.

Claims (5)

1. a kind of opening transmission device of circuit breaker operation mechanism, the breaker includes pedestal (1), is mounted on pedestal (1) On operating mechanism (2) and the interlocking shaft (3) that is rotatably arranged on pedestal (1), the operating mechanism (2) include a pair of install Side plate (21) on pedestal (1) and the separating brake semiaxis (22) being rotatably arranged between a pair of side plates (21), which is characterized in that also Including an opening transmission device (4), the opening transmission device (4) includes rotating member (41) and draw bar (42), rotating member (41) it is rotatably arranged on operating mechanism (2), interlocking shaft (3) drives rotating member (41) to rotate by draw bar (42), rotating member (41) triggering separating brake semiaxis (22) acts after rotating.
2. a kind of opening transmission device of circuit breaker operation mechanism according to claim 1, it is characterised in that described turns Moving part (41) is rotatably arranged on side plate (21);And the draw bar (42) includes traction club shaft (421) and positioned at leading Draw the draw bar connecting pin (422) at club shaft (421) both ends, wherein the rotating member that a draw bar connecting pin (422) connection is described (41), wherein another draw bar connecting pin (422) connects the interlocking shaft (3).
3. a kind of opening transmission device of circuit breaker operation mechanism according to claim 2, it is characterised in that described turns Moving part (41) has the first swinging end (411), the second swinging end (412) and the mounting hole for being rotatablely installed with side plate (21) (413), first swinging end (411) is used to drive with the abutting end (222) in separating brake semiaxis (22) and coordinate, and described the Two swinging ends (412) be equipped with for connecting hole (4121) that wherein a draw bar connecting pin (422) is connect.
4. a kind of opening transmission device of circuit breaker operation mechanism according to claim 3, it is characterised in that the connection Lock shaft (3) includes axis body (31), and driving end (33) is equipped with equipped with driven moved end (32), the other end in one end of axis body (31), It is arranged on axis body (31) and replys part (34), and be equipped on the driving end (33) for being connect with the draw bar Hold the driving end external part (331) of (422) connection;The driven moved end (32) is used for the driving of other components, and driven After dynamic, the axis body (31) is driven to rotate, and drives the driving end (33) to rotate after axis body (31) rotation;When outside is driven When power is withdrawn from from driven moved end (32), the reply part (34) provides restoring force so that the axis body (31), driven Moved end (32), driving end (33) are returned to the state before being driven.
5. a kind of opening transmission device of circuit breaker operation mechanism according to claim 4, it is characterised in that described returns Copy (34) is torsional spring, is sleeved on one end of close the driving end (33) of axis body (31), an abutment end of reply part (34) against On pedestal (1), another abutment end is resisted against on the driving end external part (331) of driving end (33).
CN201721891471.1U 2017-12-29 2017-12-29 A kind of opening transmission device of circuit breaker operation mechanism Active CN207664009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721891471.1U CN207664009U (en) 2017-12-29 2017-12-29 A kind of opening transmission device of circuit breaker operation mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721891471.1U CN207664009U (en) 2017-12-29 2017-12-29 A kind of opening transmission device of circuit breaker operation mechanism

Publications (1)

Publication Number Publication Date
CN207664009U true CN207664009U (en) 2018-07-27

Family

ID=62944310

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721891471.1U Active CN207664009U (en) 2017-12-29 2017-12-29 A kind of opening transmission device of circuit breaker operation mechanism

Country Status (1)

Country Link
CN (1) CN207664009U (en)

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