CN206758931U - A kind of circuit breaker drawer base transmission device - Google Patents
A kind of circuit breaker drawer base transmission device Download PDFInfo
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- CN206758931U CN206758931U CN201720525407.5U CN201720525407U CN206758931U CN 206758931 U CN206758931 U CN 206758931U CN 201720525407 U CN201720525407 U CN 201720525407U CN 206758931 U CN206758931 U CN 206758931U
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Abstract
A kind of circuit breaker drawer base transmission device, breaker includes drawer chassis and breaker body, transmission device is provided with drawer chassis, the transmission device includes planker, screw mandrel, latch-up structure, driving member, snap close piece, spring, rotated after screw mandrel is driven and drive planker to move, the mobile of planker can drive driving member to rotate, and then drive snap close piece action；Characterized in that, transmission device also includes gearing frame, under the lock-out state of position, gearing frame and snap close piece release the restriction to latch-up structure, promote latch-up structure to enter latched position by spring, so that screw mandrel be locked；In the unlocked state, latch-up structure is limited to separation point position by snap close piece, and gearing frame releases the restriction to latch-up structure；Under state to be locked, latch-up structure is limited to separation point position by gearing frame, and snap close piece releases the restriction to latch-up structure.Connection, experiment, the locking of separation three position of the breaker body in drawer chassis can be realized, and when needing running circuit breaker body, can be unlocked, with the personnel of improving and the security of equipment.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, and in particular to a kind of circuit breaker drawer base transmission device.
Background technology
With greatly developing for national grid, in the environment of omnipotent breaker is needed to use, drawout breaker by
In with the characteristics of convenient is overhauled, it is widely used.Withdrawable omnipotent breaker is divided into breaker body and drawer chassis
Two parts, drawer chassis are joined directly together with external power source, i.e., drawer chassis is installed to inside cupboard, are electrically connected with the conductive bus bar in cupboard
Connect, and breaker body can be promoted or extracted out in drawer chassis, realize the switching between three connection, experiment, separation positions.
In the case where needing that breaker body is overhauled or safeguarded, breaker body only need to be pulled out, without pulling down drawer
Seat.Under the actual working environment of open frame circuit breaker, drawer chassis breaker has three positions, is connection, experiment respectively, divides
From when the breaker body in drawer chassis reaches any one position in three above-mentioned positions, breaker body should stop
Move on the position, and prompted to operator.Therefore, open frame circuit breaker there should be three position lock functions, work as operator
When needing further running circuit breaker body, open frame circuit breaker should have the work(being unlocked to above-mentioned three position lock-out state
Energy.Such a setting, it is avoided that and unnecessary damage and other unnecessary accidents is caused to breaker, improves personnel and equipment
Security, this is also to need the problem of to be solved badly in the industry at present.
The content of the invention
The purpose of this utility model is to provide for a kind of circuit breaker drawer base transmission device for being adapted to drawout breaker,
It can realize connection, experiment, the locking that separates three position of the breaker body in drawer chassis, and when operator is needed into one
During moved further breaker body, above-mentioned lock-out state is unlocked.
The purpose of this utility model is such to what is reached, a kind of circuit breaker drawer base transmission device, described breaker
Including drawer chassis and breaker body, transmission device is provided with described drawer chassis, the transmission device includes planker, silk
Bar, latch-up structure, driving member, snap close piece, spring, rotated after described screw mandrel is driven and drive planker to move, the planker
It is mobile driving member can be driven to rotate, and then drive snap close piece action；Described transmission device also includes gearing frame, in position
Under lock-out state, described gearing frame and snap close piece release the restriction to latch-up structure, and locking is promoted by described spring
Structure enters latched position, so as to which described screw mandrel be locked；In the unlocked state, described snap close piece limits latch-up structure
In separation point position, and described gearing frame releases the restriction to latch-up structure；Under state to be locked, described gearing frame
Latch-up structure is limited to separation point position, and snap close piece releases the restriction to latch-up structure.
In a specific embodiment of the present utility model, described planker includes planker horizontal part and planker is vertical
The bottom plate of portion, planker horizontal part and drawer chassis is fitted, and the then perpendicular setting of bottom plate with drawer chassis of planker vertical component effect,
The ordered series of numbers perforation of spacing side by side arrangement is provided with described planker horizontal part, described perforation is used for and the traction on drawer chassis
Respective outer side edges, so as to drive breaker body movement by hitch structure, one is offered on described planker vertical component effect and is used to supply
The driving member mounting hole of the driving member flange insertion of the driving member.
In another specific embodiment of the present utility model, described latch-up structure includes lockplate and lock fit
Block；Lockplate is fixedly connected with lock fit block；There is clamping hole on described lockplate, have on described screw mandrel with it is described
Clamping hole be engaged by clamping fixing section；Described screw mandrel passes through described lockplate and lock fit block.
In another specific embodiment of the present utility model, described lock fit block includes coordinating block base and matched somebody with somebody
Block external part is closed, described coordinating block base is provided with the screw mandrel worn for screw mandrel and passes through hole；Described coordinating block stretches out
End extends out from coordinating block base along the axial direction of screw mandrel, has the first position limited section for being used for coordinating with snap close piece
With the second place limited section for coordinating with described gearing frame.
In another specific embodiment of the present utility model, described first position limited section and the second place limit
Portion is in step-like setting.
In an of the present utility model and then specific embodiment, described transmission device also includes fixed plate, described
Screw mandrel pass through fixed plate, spring is a stage clip, and it is set on screw mandrel, and one end of the spring is resisted against in fixed plate, is another
End is resisted against on the lockplate of latch-up structure.
Of the present utility model more and in a specific embodiment, described driving member is cylindric, and it includes transmission
Part flange, outer rim gear, end and indication end are screw-inserted into, wherein, described be screw-inserted into end, indication end are located at driving member respectively
The both ends of length direction, and described driving member flange and outer rim gear respectively positioned at driving member length direction on and close to
Described indication end side, described driving member flange are used to drive snap close piece to rotate, and described outer rim gear, which is used to drive, to be passed
Dynamic framework movement.
It is of the present utility model and and then a specific embodiment in, the bosom of described gearing frame offers
The endoporus of its thickness direction is penetrated, dentalation is provided with the edge of the endoporus and stops slot structure, described dentation knot
Structure is used to be meshed with the outer rim gear of driving member, and described stop slot structure is used to lock latch-up structure.
Of the present utility model and more and in a specific embodiment, in addition to elastic device, described elastic device
For torsion spring, elastic device is enclosed on screw mandrel, and its one end seats against, and the other end is resisted against on snap close piece, for being carried for snap close piece
For the restoring force of rotation.
Of the present utility model more and then in a specific embodiment, described snap close piece includes snap close piece sets of holes, the
One abutting end, the second abutting end and spring connection end, described snap close piece is set in by snap close piece sets of holes on screw mandrel and phase
Screw mandrel can be rotated, the first described abutting end is located at one end of snap close piece, and first abutting end and latch-up structure are snap-fitted；
The second described abutting end coordinates with the driving member flange on driving member, so as to drive snap close piece to rotate；Described spring connection
Hold the connection for described elastic device.
The utility model is due to using after said structure, having the advantage that：It is adapted to the transmission dress of drawout breaker
To put, it can realize connection, experiment, the locking that separates three position of the breaker body in drawer chassis, and when operator needs
During further running circuit breaker body, above-mentioned lock-out state is unlocked.Three transmission device is avoided that to be made to breaker
Into unnecessary damage and other unnecessary accidents, the security of raising personnel and equipment.
Brief description of the drawings
Fig. 1 is the schematic diagram of drawer chassis described in the utility model.
Fig. 2 is the structural representation of transmission device described in the utility model.
Fig. 3 is the Structure explosion diagram of transmission device described in the utility model.
Fig. 4 is the structural representation of lock fit block described in the utility model.
Fig. 5 is the cooperation schematic diagram of driving member described in the utility model and gearing frame.
Fig. 6 is the structural representation of snap close piece described in the utility model.
Fig. 7 is the structural representation that transmission device described in the utility model is in the lock state.
Fig. 8 is the structural representation that transmission device described in the utility model is in released state.
Fig. 9 is the structural representation that transmission device described in the utility model is in original state.
In figure：1. drawer chassis；2. transmission device, 21. plankers, 211. perforations, 212. driving member mounting holes, 22. screw mandrels,
221. fix section, 23. fixed plates, 24. latch-up structures, 241. lockplates, 2411. clamping holes, 242. lock fit blocks, 2421.
Coordinating block base, 24211. screw mandrels pass through hole, 2422. coordinating block external parts, 24221. first position limited sections, 24222. second
Position restriction portion, 25. driving members, 251. driving member flanges, 252. outer rim gears, 253. be screw-inserted into end, 254. indication ends,
26. snap close piece, 261. snap close piece sets of holes, 262. first abutting ends, 263. second abutting ends, 264. spring connection ends, 27. transmissions
Framework, 271. endoporus, 2711. stop slot structure, 2712. dentalations, 28. springs, 29. elastic devices.
Embodiment
Specific embodiment of the present utility model will be described in detail with reference to accompanying drawing below by applicant, but applicant is to reality
The description for applying example is not the limitation to technical scheme, and any changed in the form rather than substance according to the utility model design all should
When being considered as the scope of protection of the utility model.
The utility model open frame circuit breaker has drawer chassis 1 and breaker body, and breaker body can be with respect to drawer chassis 1
Shift in position is realized, i.e. breaker body can enter drawer chassis 1 or pull out drawer chassis 1, when breaker body enters drawer chassis 1
When, breaker body is realized with drawer chassis 1 and electrically connected, so as to which the load of breaker is accessed into power network.When a failure occurs it, it is described
Breaker body inside contact system dynamic/static contact separation, so as to cut off the electricity supply, protection load.If Fig. 1 is pull-out type
The schematic diagram of the drawer chassis 1 of breaker.Described drawer chassis 1 has the inner chamber for being used for accommodating breaker body.Described open circuit
Device body is moved through manpower or electric power to drive in drawer chassis 1, specifically passes through the hitch structure on drawer chassis 1
To realize, i.e., hitch structure is driven to act by external operator manipulation, hitch structure draws breaker body in drawer chassis
Interior movement.Or the triggering by external signal, drive hitch structure to draw breaker body in drawer chassis by motor
Movement.Transmission device 2 is provided with described drawer chassis 1, described transmission device 2 is used in breaker body with respect to drawer
When seat 1 is moved to the position specified, breaker body is locked on the position, if not implementing unblock operation, described open circuit
Device body can not be left the position by manpower or motorized motions.Described position is usually three, specially separation point position, examination
Test position, link position.Breaker body enter drawer chassis inside during, successively respectively separation point position, experiment position
Put and link position.
Such as Fig. 2 to Fig. 8, described transmission device 2 includes planker 21, screw mandrel 22, fixed plate 23, latch-up structure 24, transmission
Part 25, snap close piece 26, gearing frame 27, spring 28 and elastic device 29.Planker 21 is a bending metallic plate, generally by metallic plate
Right-angle bending is formed.Planker 21 forms planker horizontal part and planker vertical component effect through bending, described after planker 21 is installed in place
The bottom plate of planker horizontal part and drawer chassis 1 is fitted, and the then perpendicular setting of bottom plate with drawer chassis 1 of planker vertical component effect,
The ordered series of numbers perforation 211 of spacing side by side arrangement is provided with described planker horizontal part, described perforation 211 is used to match with gear
Close.Specific described perforation 211 is used to coordinate with the tooth of the hitch structure on drawer chassis 1, i.e., is matched somebody with somebody by perforation 211 with tooth
Close to realize the motion transmission relation between transmission device 2 and haulage gear.And described planker vertical component effect opens up on side
There is driving member mounting hole 212, described driving member mounting hole 212 is used to coordinate with driving member 25.When driving member 25 is placed in transmission
After in part mounting hole 212, after driving member mounting hole 212 follows planker 21 to move, driving member 25 rotates, and indicates shape
State.
Described screw mandrel 22 is a metal shaft, and one section of its length direction is provided with thread segment, for the screw thread of planker 21
Coordinate, so as to which when screw mandrel 22 rotates, described planker 21 can be driven and the movement before and after generation.Screw mandrel 22 is from planker 21
Passed through on planker vertical component effect, and both have screw thread matching relationship.
Described fixed plate 23 is a metallic plate, and it can be fixed to the specified location on drawer chassis 1, and screw mandrel 22 again passes through
Fixed plate 23, because fixed plate 23 is coordinated by bearing and screw mandrel 22, so as to screw mandrel 22 can opposing fixed plate 23 rotate, and
Fixed plate 23 can prevent screw mandrel 22 from being shaken during rotation.
Described driving member 25 is cylindric, and one end of the length direction of driving member 25 is described to be screw-inserted into end 253
It is screw-inserted into end 253 to extend into the driving member mounting hole 212 of planker vertical component effect and form threaded engagement, so as to before and after planker 21
When mobile, described driving member 25 accordingly rotates.The other end of the described length direction of driving member 25 is indication end 254,
Described indication end 254 is provided with instruction pattern, the observation of person easy to operation.Driving member 25 also includes the He of driving member flange 251
Outer rim gear 252, described driving member flange 251 and outer rim gear 252 on the length direction of driving member 25 and lean on respectively
The described side of indication end 254 is bordering on, wherein driving member flange 251 is used to drive snap close piece 26 to rotate, and outer rim gear 252 is used
Moved in driving gearing frame 27.
Described latch-up structure 24 is used for silk when breaker body moves to any position in separation, experiment, connection
Bar 22 locks, so as to which breaker body be locked on a corresponding position.Latch-up structure 24 includes lockplate 241 and lock fit
Block 242.Described lockplate 241 is fixedly connected with lock fit block 242.Consolidating between lockplate 241 and lock fit block 242
Surely the mode connected is unrestricted, such as both realize fixation by screw.In the present embodiment, described lockplate
241 are used to lock described screw mandrel 22, have clamping hole 2411 on specific described lockplate 241, and have on screw mandrel 22
The fixing section 221 coordinated with the clamping hole 2411, described cooperation refer to, when clamping hole 2411, which is inserted in, to be fixed in section 221, institute
The clamping hole 2411 stated is integrated with fixing the clamping of section 221 so that screw mandrel 22 can not rotate, so as to which lockplate 241 is locked
Described screw mandrel 22, due to the requirement of rigidity, described lockplate 241 is usually that metal material is made.Described lock fit
Block 242 is used for the cooperation of latch-up structure 24 and snap close piece 26.Described lock fit block 242 includes coordinating block base 2421 and matched somebody with somebody
Block external part 2422 is closed, described coordinating block external part 2422 extends from coordinating block base 2421 along the axial direction of screw mandrel 22
Out.Described coordinating block base 2421 is provided with screw mandrel by hole 24211, and described screw mandrel is used to supply silk by hole 24211
Bar 22 passes through, and described screw mandrel 22 can be in screw mandrel by freely being rotated in hole 24211.Lock fit block 242 and lockplate 241 are
It is fixedly connected, so as to which latch-up structure 24 has two positions, a position is fixed position, at fixed position, clamping hole
2411 are inserted in and fix section 221 so as to locking screw 22, and another position is separation point position, at separation point position, clamping hole 2411
It is not inserted in and fixes section 221 so as to which screw mandrel 22 is free to rotate.When seeing Fig. 4, have first on described coordinating block external part 2422
Position restriction portion 24221 and second place limited section 24222, described first position limited section 24221 coordinate with snap close piece 26,
And second place limited section 24222 coordinates with gearing frame 27.First position limit is limited by the location status of snap close piece 26
Determine portion 24221, and the location status of gearing frame 27 limits second place limited section 24222, accordingly, snap close piece 26 and transmission
Framework 27 determines the location status of coordinating block 242 in ad-hoc location time limit lock.Specifically, first position limited section 24221 and
Two position restriction portions 24222 are in step-like setting.
Described gearing frame 27 is sheet, and its bosom offers the endoporus 271 for penetrating its thickness direction, described
The edge of endoporus 271 is provided with dentalation 2712 and stops slot structure 2711.Described dentalation 2712 and driving member 25
Outer rim gear 252 be meshed.Described stop slot structure 2711 is used to be engaged with second place limited section 24222, in spy
Position under configuration state, stop that slot structure 2711 stops second place limited section 24222, so as to prevent lock fit block 242 from stretching out.
Preferably, described stop slot structure 2711 is square-wave-shaped.
Described spring 28 is a stage clip, and it is set on screw mandrel 22, and retractable, one end of the spring 28 against
In fixed plate 23, the other end is resisted against lockplate 241, due to described fixed plate 23 with respect to drawer chassis 1 be it is fixed,
Therefore, the effect of spring 28 is to provide lockplate 241 restoring force on a direction.
Described snap close piece 26 includes snap close piece sets of holes 261, the first abutting end 262, the second abutting end 263 and spring and connected
Connect end 264.Described snap close piece sets of holes 261 coordinate with screw mandrel 22, i.e., snap close piece sets of holes 261 are enclosed on screw mandrel 22, and described
Snap close piece 26 can be rotated relative to screw mandrel 22, the first abutting end 262 is located at one end of snap close piece 26, the first described abutting end
262 is snap-fitted with restriction lock fit block 242, specifically, the first abutting end 262 and first on coordinating block external part 2422
Position restriction portion 24221 is snap-fitted, i.e., described when the first abutting end 262 is snap-fitted with first position limited section 24221
Restriction lock fit block 242 can not be stretched out by the indirect promotion of spring 28.The second described abutting end 263 and driving member 25
On driving member flange 251 coordinate, specially the driving member flange 251 after driving member 25 rotates thereon also rotates and stirs
Two abutting ends 263, so as to drive snap close piece 26 to rotate.Spring connection end 264 is used for the connection of elastic device 29, in the present embodiment
Described in elastic device 29 be torsion spring, elastic device 29 is enclosed on screw mandrel 22, and one end of elastic device 29 seats against, be another
End is resisted against on the spring connection end 264 of snap close piece 26, for providing the restoring force rotated for snap close piece 26.
Referring to Fig. 7 to Fig. 9, for the working state schematic representation for the circuit breaker drawer base transmission device that the utility model is related to,
When external force drives screw mandrel 22 to rotate, described planker 21 also followed by the rotation of screw mandrel 22 and be moved, meanwhile, driving member
25 because its end 253 that is screw-inserted into is inserted into the driving member mounting hole 212 of planker 21, and driving member 25 also followed by rotation.
The rotation of driving member 25 is coordinated to drive gearing frame 27 by driving member flange 251 thereon with engaging for dentalation 2712
Mobile, the stop slot structure 2711 on gearing frame 27 also followed by movement.Meanwhile 251 grams of the driving member flange of driving member 25
Take elastic device 29 and stir the second abutting end 263 of snap close piece 26, so as to which snap close piece 26 rotates, the first of snap close piece 26 coordinates
End 262 releases the stop to the first position limited section 24221 of lock fit block 242, so as to which the spring 28 of compression originally promotes
Lockplate 241 stretches out a segment distance, now latch-up structure 24 and unlocked screw mandrel 22.When above-mentioned part move to separation, experiment,
In connection during any position, stop that slot structure 2711 releases the resistance to second place limited section 24222 on lock fit block 242
Gear, latch-up structure 24 is acted on further stretching by spring 28, so that the clamping hole 2411 of lockplate 241 is embedded into screw mandrel 22
Fix in section 221, buckle structure 24 enters fixed position, so as to which screw mandrel 22 be locked.It is now position lock-out state.Pass simultaneously
Moving part flange 251 releases the promotion to the second abutting end 263, the work of the first abutting end 262 of snap close piece 26 in elastic device 29
With lower reply, the rear of first position limited section 24221 is shelved on.
When needing to be unlocked above-mentioned lock-out state, the coordinating block of coordinating block 242 is pressure-locked by outside manpower
External part 2422, latch-up structure 24 is disengaged by the elastic force for overcoming spring 28 with fixing section 221, continues to press on coordinating block external part
After 2422, first position limited section 24221 continues to be retracted, and is stopped and can not be stretched out by the first abutting end 262, at latch-up structure 24
In separation point position, unblock is completed, and can now be rotated further screw mandrel 22 to drive breaker body to move.
Under above-mentioned released state, external force continues to drive screw mandrel 22 to rotate, after screw mandrel 22 rotates, described driving member 25
It followed by movement, the rotation of driving member 25 engages cooperation and band by driving member flange 251 thereon and dentalation 2712
Dynamic gearing frame 27 moves, and the stop slot structure 2711 on gearing frame 27 also followed by movement, and stop lock fit block 242
On second place limited section 24222, latch-up structure 24 is still within separation point position so that whole circuit breaker drawer base transmission dress
Put and return to original state.
Circuit breaker drawer base transmission device separation, experiment, the locking of three positions of connection, unblock, reply it is initial
During action process it is consistent with the description above course of work, be not repeated.
Claims (10)
1. a kind of circuit breaker drawer base transmission device, described breaker includes drawer chassis (1) and breaker body, described
Transmission device (2) is provided with drawer chassis (1), the transmission device (2) include planker (21), screw mandrel (22), latch-up structure (24),
Driving member (25), snap close piece (26), spring (28), rotated after described screw mandrel (22) is driven and drive planker (21) mobile,
The mobile of the planker (21) can drive driving member (25) to rotate, and then drive snap close piece (26) action；It is characterized in that, described
Transmission device (2) also include gearing frame (27), under the lock-out state of position, described gearing frame (27) and snap close piece
(26) restriction to latch-up structure (24) is released, promotes latch-up structure (24) to enter latched position by described spring (28),
So as to which described screw mandrel (22) be locked；In the unlocked state, latch-up structure (24) is limited to point by described snap close piece (26)
Off normal and put, and described gearing frame (27) releases the restriction to latch-up structure (24)；Under state to be locked, described transmission
Latch-up structure (24) is limited to separation point position by framework (27), and snap close piece (26) releases the restriction to latch-up structure (24).
A kind of 2. circuit breaker drawer base transmission device according to claim 1, it is characterised in that described planker (21) bag
Planker horizontal part and planker vertical component effect are included, planker horizontal part and the bottom plate of drawer chassis (1) are fitted, and planker vertical component effect is then
With the perpendicular setting of bottom plate of drawer chassis (1), the ordered series of numbers perforation that spacing side by side is arranged is provided with described planker horizontal part
(211), described perforation (211) is used to coordinate with the hitch structure on drawer chassis (1), so as to drive breaker by hitch structure
Body moves, offered on described planker vertical component effect one be used for for the driving member (25) driving member flange (251) it is slotting
The driving member mounting hole (212) entered.
A kind of 3. circuit breaker drawer base transmission device according to claim 1, it is characterised in that described latch-up structure
(24) lockplate (241) and lock fit block (242) are included；Lockplate (241) is fixedly connected with lock fit block (242)；Institute
There is clamping hole (2411) on the lockplate (241) stated, have on described screw mandrel (22) and block with described clamping hole (2411)
Connect the fixing section (221) of cooperation；Described screw mandrel (22) passes through described lockplate (241) and lock fit block (242).
A kind of 4. circuit breaker drawer base transmission device according to claim 3, it is characterised in that described lock fit block
(242) coordinating block base (2421) and coordinating block external part (2422) are included, described coordinating block base (2421), which is provided with, to be used
Pass through hole (24211) in the screw mandrel that screw mandrel (22) is worn；Described coordinating block external part (2422) is from coordinating block base
(2421) extended out on along the axial direction of screw mandrel (22), there is the first position limited section for being used for coordinating with snap close piece (26)
(24221) and for the second place limited section (24222) with described gearing frame (27) cooperation.
A kind of 5. circuit breaker drawer base transmission device according to claim 4, it is characterised in that described first position limit
It is in step-like setting to determine portion (24221) and second place limited section (24222).
A kind of 6. circuit breaker drawer base transmission device according to claim 1, it is characterised in that described transmission device (2)
Also include fixed plate (23), described screw mandrel (22) passes through fixed plate (23), and spring (28) is a stage clip, and it is set in screw mandrel
(22) on, one end of the spring (28) is resisted against in fixed plate (23), the other end is resisted against the lockplates of latch-up structure (24)
(241) on.
A kind of 7. circuit breaker drawer base transmission device according to claim 1, it is characterised in that described driving member (25)
To be cylindric, it includes driving member flange (251), outer rim gear (252), is screw-inserted into end (253) and indication end (254), its
In, the described both ends for being screw-inserted into end (253), indication end (254) and being located at driving member (25) length direction respectively, and it is described
Driving member flange (251) and outer rim gear (252) are respectively on the length direction of driving member (25) and close to described finger
Show end (254) side, described driving member flange (251) is used to drive snap close piece (26) to rotate, described outer rim gear (252)
For driving gearing frame (27) mobile.
A kind of 8. circuit breaker drawer base transmission device according to claim 1, it is characterised in that described gearing frame
(27) bosom offers the endoporus (271) for penetrating its thickness direction, and dentation is provided with the edge of the endoporus (271)
Structure (2712) and stop slot structure (2711), described dentalation (2712) are used for the outer rim gear with driving member (25)
(252) it is meshed, described stop slot structure (2711) is used to lock latch-up structure (24).
9. a kind of circuit breaker drawer base transmission device according to claim 1, it is characterised in that also including elastic device
(29), described elastic device (29) is torsion spring, and elastic device (29) is enclosed on screw mandrel (22), and its one end seats against, another
End is resisted against on snap close piece (26), for providing the restoring force rotated for snap close piece (26).
A kind of 10. circuit breaker drawer base transmission device according to claim 9, it is characterised in that described snap close piece (26)
Including snap close piece sets of holes (261), the first abutting end (262), the second abutting end (263) and spring connection end (264), described lock
Fastener (26) is set on screw mandrel (22) by snap close piece sets of holes (261) and can rotated relative to screw mandrel (22), described first
Abutting end (262) is located at one end of snap close piece (26), and first abutting end (262) and latch-up structure (24) are snap-fitted；It is described
The second abutting end (263) and driving member (25) on driving member flange (251) coordinate, so as to drive snap close piece (26) to rotate；
Described spring connection end (264) is used for the connection of described elastic device (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525407.5U CN206758931U (en) | 2017-05-12 | 2017-05-12 | A kind of circuit breaker drawer base transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720525407.5U CN206758931U (en) | 2017-05-12 | 2017-05-12 | A kind of circuit breaker drawer base transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN206758931U true CN206758931U (en) | 2017-12-15 |
Family
ID=60618025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720525407.5U Active CN206758931U (en) | 2017-05-12 | 2017-05-12 | A kind of circuit breaker drawer base transmission device |
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| CN (1) | CN206758931U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429177A (en) * | 2018-05-18 | 2018-08-21 | 上海良信电器股份有限公司 | A kind of locking of open frame circuit breaker position, unlock and indication linked device |
| CN109103054A (en) * | 2018-09-30 | 2018-12-28 | 常熟开关制造有限公司(原常熟开关厂） | A kind of electric drawer holder structure of breaker |
| CN109346972A (en) * | 2018-11-29 | 2019-02-15 | 常州市耕耘电器有限公司 | A kind of three position locking device of modified for drawout breaker |
-
2017
- 2017-05-12 CN CN201720525407.5U patent/CN206758931U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429177A (en) * | 2018-05-18 | 2018-08-21 | 上海良信电器股份有限公司 | A kind of locking of open frame circuit breaker position, unlock and indication linked device |
| CN109103054A (en) * | 2018-09-30 | 2018-12-28 | 常熟开关制造有限公司(原常熟开关厂） | A kind of electric drawer holder structure of breaker |
| CN109103054B (en) * | 2018-09-30 | 2019-11-08 | 常熟开关制造有限公司(原常熟开关厂） | A kind of electric drawer holder structure of breaker |
| CN109346972A (en) * | 2018-11-29 | 2019-02-15 | 常州市耕耘电器有限公司 | A kind of three position locking device of modified for drawout breaker |
| CN109346972B (en) * | 2018-11-29 | 2023-11-24 | 常州市耕耘电器有限公司 | Improved three-position lock device for draw-out circuit breaker |
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