CN109103054B - A kind of electric drawer holder structure of breaker - Google Patents

A kind of electric drawer holder structure of breaker Download PDF

Info

Publication number
CN109103054B
CN109103054B CN201811162103.2A CN201811162103A CN109103054B CN 109103054 B CN109103054 B CN 109103054B CN 201811162103 A CN201811162103 A CN 201811162103A CN 109103054 B CN109103054 B CN 109103054B
Authority
CN
China
Prior art keywords
clutch
screw rod
statement
federally sponsored
breaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811162103.2A
Other languages
Chinese (zh)
Other versions
CN109103054A (en
Inventor
陈斌
钱锦丰
朱永清
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
Original Assignee
Changshu Switchgear Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Changshu Switchgear Manufacturing Co Ltd filed Critical Changshu Switchgear Manufacturing Co Ltd
Priority to CN201811162103.2A priority Critical patent/CN109103054B/en
Publication of CN109103054A publication Critical patent/CN109103054A/en
Application granted granted Critical
Publication of CN109103054B publication Critical patent/CN109103054B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0207Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B11/00Switchgear having carriage withdrawable for isolation
    • H02B11/12Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
    • H02B11/173Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

A kind of electric drawer holder structure of breaker, breaker include drawer chassis and breaker body, and transmission shaft, motor, transmission component, clutch, screw rod and planker are set on drawer chassis;The movement of motor driven transmission component, clutch realize connecting or separating between transmission component and screw rod, and screw rod drives planker mobile, and planker drives transmission shaft rotation, and transmission shaft drives breaker body mobile relative to drawer chassis;Feature: clutch includes STATEMENT OF FEDERALLY SPONSORED, clutch elastic component and clutch sliding part, and STATEMENT OF FEDERALLY SPONSORED and screw rod, which rotate synchronously, to be connected;Clutch sliding part, which is located at, to be rotated synchronously in STATEMENT OF FEDERALLY SPONSORED and can slide relative to STATEMENT OF FEDERALLY SPONSORED;Clutch elastic component provides the driving force in conjunction with transmission component for clutch sliding part;When clutch is in the state closed, the cooperating head on clutch sliding part snaps onto the card of the transmission gear of transmission component in cavity;Card is to expand angle chamber with cavity, and when screw rod can not rotate, due to the driving of motor, cooperating head can be pushed outwardly by card with cavity, prevents motor rotation blockage.

Description

A kind of electric drawer holder structure of breaker
Technical field
The invention belongs to breaker technical fields, and in particular to a kind of electric drawer holder structure of breaker.
Background technique
Due to the convenience for detecting and repairing, withdrawable omnipotent breaker is widely used.Withdrawable universal is disconnected Road device is divided into breaker body and drawer chassis two parts, and drawer chassis is connected directly with external power supply, is driven by drawer chassis, open circuit Device ontology can be promoted or be extracted out in drawer chassis, to realize the connection and disconnection of ontology and drawer chassis.Member is switched as large capacity Part, when promoting or extracting breaker body out, there are certain risks, and the electric arc of fault generation and secondary phenomenon are to periphery The personal safety of operator causes larger threat;In addition, with the continuous promotion of breaker capacity, propulsion or draw out operation institute The driving force needed is more and more big.Therefore to overcome problem above, a kind of more reliable effective drawer chassis kind of drive is needed, is used for Save manpower.
Summary of the invention
The task of the present invention is to provide a kind of electric drawer holder structure of breaker, electric drive open circuit can be realized Device ontology enters or exits drawer chassis, and can switch between manual actuation and electric drive;Simultaneously in electric drive situation Under, if screw rod is stuck, which can also voluntarily be disengaged, and avoid motor burning.
The task of the present invention is come what is completed, a kind of electric drawer holder structure of breaker, breaker includes drawer in this way Seat and breaker body, drawer chassis are equipped with transmission shaft, motor, transmission component, clutch, screw rod and planker;Motor driven Transmission component movement, the clutch realize connecting or separating between transmission component and screw rod, and screw rod drives planker to move Dynamic, planker drives transmission shaft rotation, drives breaker body mobile relative to drawer chassis by transmission shaft;The clutch packet STATEMENT OF FEDERALLY SPONSORED, clutch elastic component and clutch sliding part are included, the STATEMENT OF FEDERALLY SPONSORED and screw rod, which rotate synchronously, to be connected;The clutch sliding Part, which is located at, to be rotated synchronously in STATEMENT OF FEDERALLY SPONSORED and can slide relative to STATEMENT OF FEDERALLY SPONSORED;The clutch elastic component is the clutch sliding part Driving force in conjunction with the transmission component is provided;When clutch is in the state of " conjunction ", the clutch sliding part On cooperating head snap onto transmission component transmission gear card in cavity;The card is to expand angle chamber with cavity, works as screw rod When can not rotate, due to the driving of motor, cooperating head can be pushed outwardly by card with cavity, to prevent motor rotation blockage.
In a specific embodiment of the invention, one end of the clutch elastic component is against STATEMENT OF FEDERALLY SPONSORED, the other end Against clutch sliding part.
In another specific embodiment of the invention, the transmission gear is annular shape, is equipped in annular surface Marginal tooth;The card is located at the transmission gear on the annular boss of the screw rod side with cavity.
In another specific embodiment of the invention, the STATEMENT OF FEDERALLY SPONSORED be it is round tubular, in one end of STATEMENT OF FEDERALLY SPONSORED Equipped with the blocked hole with the screw rod cooperation, it is equipped in the other end of STATEMENT OF FEDERALLY SPONSORED for the handle with the cooperation of the handle of breaker Blocked hole, and for for accommodating the clutch elastic component and clutch sliding part between the blocked hole and handle blocked hole Accommodating chamber;The accommodating chamber is cylindrical inner cavity;It is opened up on the opposite two sides on the cylindrical surface of the STATEMENT OF FEDERALLY SPONSORED There is sliding slot, a pair of of sliding slot is enclosed slot;The clutch sliding part further includes slipping cylinders, depending post, the cunning Dynamic cylinder is cylindrical body, and the depending post was visiting described one radially across the both ends Kong Houqi corresponding in slipping cylinders To sliding slot;The cooperating head is set in the both ends of depending post.
In a specific embodiment in turn of the invention, the clutch elastic component is cylindrical spring, the clutch bullet Property part one end be resisted against on the step of the receivings inner cavity surface, on the clutch sliding part described in the other end is resisted against.
In a still more specific embodiment of the invention, expansion angle number of the card with cavity is 0 ° to 120 °.
Of the invention again and then in a specific embodiment, expansion angle number of the card with cavity is 60 °.
The cooperating head is roller in yet a further embodiment of the present invention, can be relative to described Card is rotated with cavity.
Of the invention more and then in a specific embodiment, breaker includes drawer chassis and breaker body, drawer Seat is equipped with transmission shaft, motor, transmission component, clutch, screw rod and planker;The movement of motor driven transmission component, it is described Clutch realizes connecting or separating between transmission component and screw rod, and screw rod drives planker mobile, and planker drives transmission shaft to turn It is dynamic, drive breaker body mobile relative to drawer chassis by transmission shaft;It is characterized in that, the clutch includes linkage Part, clutch elastic component and clutch sliding part;The STATEMENT OF FEDERALLY SPONSORED and transmission component, which rotates synchronously, to be connected;The clutch sliding part It rotates synchronously and can be slided relative to STATEMENT OF FEDERALLY SPONSORED in STATEMENT OF FEDERALLY SPONSORED, to realize clutch with the screw rod;The clutch Elastic component provides the driving force in conjunction with the screw rod for the clutch sliding part;When clutch is in the state of " conjunction " When, the cooperating head on the clutch sliding part snaps onto the card of screw rod in cavity;The card is to expand angle chamber with cavity, when When screw rod can not rotate, due to the driving of motor, cooperating head is exited from card with cavity from inside to outside, to prevent motor rotation blockage.
Of the invention also again and in a specific embodiment, one end of the clutch elastic component against STATEMENT OF FEDERALLY SPONSORED, The other end is against clutch sliding part.
Of the invention also again and then in a specific embodiment, the clutch elastic component is cylindrical spring, should be from One end of conjunction elastic component is resisted against on the step of the receiving inner cavity surface, the other end is resisted against the clutch sliding part On.
The present invention provides a kind of more reliable effective drawer chassis kinds of drive, can be realized electric drive breaker sheet Body enters or exits drawer chassis, and can switch between manual actuation and electric drive, while in electric drive, if Screw rod is stuck, which can also voluntarily disengage, thus the phenomenon that avoiding motor stuck scaling loss, not only increase use reliability and Efficiency, and also save manpower.
Detailed description of the invention
Fig. 1 is the drawer chassis schematic diagram of breaker in the present invention.
Fig. 2 is the drawer chassis partial schematic diagram of breaker in the present invention.
Fig. 3 is the drawer chassis electric drive transmission chain schematic diagram of breaker in the present invention.
Fig. 4 is the fit structure schematic diagram of clutch and screw rod and transmission gear in the present invention.
Fig. 5 is clutch decomposition diagram in the present invention.
Fig. 6 is clutch diagrammatic cross-section in the present invention.
Fig. 7 is transmission gear schematic diagram in the present invention.
Fig. 8 is clutch diagrammatic cross-section in the present invention.
Fig. 9 is schematic diagram when clutch and transmission gear are clamped in the present invention.
Figure 10 is schematic diagram when clutch is separated with transmission gear in the present invention.
Figure 11 is clutch, screw rod, transmission gear side sectional view in the present invention.
Figure 12 is the schematic diagram of screw rod and clutch discrete state in the present invention.
Figure 13 is the schematic diagram of screw rod and clutch connection status in the present invention.
Figure 14 is external shell and locking plate schematic diagram in the present invention.
Figure 15 is locking plate schematic diagram in the present invention.
Figure 16 is schematic diagram when being inserted into handle in the present invention.
Figure 17 is to be fully inserted into the schematic diagram after handle in the present invention.
In figure: 1. drawer chassis, 11. bottom plates, 12. side plates;2. transmission shaft, 21. machine leaders, 22. gear pieces, 23. shafts are installed Bracket;3. motor;4. transmission component, 41. transmission gears, 411. marginal tooths, 412. annular boss, 4121. cards match cavity;5. from Close mechanism, 51. STATEMENT OF FEDERALLY SPONSOREDs, 511. blocked holes, 512. accommodating chambers, 5121. steps, 513. handle blocked holes, 514. sliding slots, 52. Clutch elastic component, 53. clutch sliding parts, 531. sliding bodies, 5311. second springs are against protrusion, 5312. holes, 532. cooperations Bar, 533. cooperating heads;6. screw rod, 61. screw rod heads, 611. first springs are against protrusion;7. planker;8. fixed plate;9. resetting bullet Spring;100. handle, 101. handle heads;200. external shells, 201. extensions, 202. sliding slot chambers, 203. protrusions;300. locking plates, 301. fixed brackets, 302. returning springs, 303. push outer rim boss, 3031. push slopes, 304. handles pass through hole, 305. butting sections, 3051. are against slope, 3052. against plane.
Specific embodiment
Applicant will in conjunction with attached drawing, detailed description of specific embodiments of the present invention below, but applicant is to embodiment Description be not limitation to technical solution, any design according to the present invention, which changes in the form rather than substance, all should be considered as this The protection scope of invention.
The invention relates to a kind of breaker, and specific breaker includes breaker body and drawer chassis 1;Described Drawer chassis 1 is electrically connected external electrical network, and includes contact system in breaker body, it can be achieved that circuit is turned on or off, when disconnected After road device ontology is advanced in drawer chassis 1, breaker body is electrically connected with the realization of drawer chassis 1.To which breaker passes through its contact The conjunction of system point can be switched on or switched off being electrically connected for load and power grid.
Such as Fig. 1, the drawer chassis 1 includes bottom plate 11 and side plate 12, and the side plate 12 is a pair, is mounted on bottom plate 11 Two sides.And the drawer seat bottom frame of drawer chassis 1 is connect with bottom plate 11 and side plate 12 respectively, and is located at the rear of drawer chassis.It is taking out On drawer seat 1, specifically, being equipped with transmission shaft 2, transmission component 4 on bottom plate 11;Motor 3 is mounted on transmission component 4, certainly It can also be installed on bottom plate 11.When breaker is switched under the mode of electric drive, the motor 3 passes through transmission component 4 Movement transmitting, it is final that the transmission shaft 2 is driven to rotate, drive the breaker body relative to institute by transmission shaft 2 The drawer chassis 1 stated moves, and realizes connecting or separating between breaker body and drawer chassis 1.
Such as Fig. 2,3, on drawer chassis 1.Specifically, also having clutch 5, screw rod 6, planker 7 on bottom plate 11;Wherein Clutch 5 is between screw rod 6 and transmission component 4, and screw rod 6 is rotatably arranged on bottom plate 11, and planker 7 is slidably arranged in bottom On plate 11.The clutch 5 realizes connecting or separating between transmission component 4 and screw rod 6, thus realize electric drive with Switching between manual actuation.That is, the transmission component 4 passes through clutch when clutch 5 is in the state of " conjunction " 5 connection wire rods 6 realize the synchronous rotation of the two, rotate so that the movement of transmission component 4 will drive the screw rod 6, screw rod 6 It drives the planker 7 to realize after rotation to slide back and forth, and planker 7 drives the transmission shaft 2 to rotate by perforation cooperation, Finally the breaker body is driven to move by transmission shaft 2.In order to which the realization of screw rod 6 for guaranteeing described reliably rotates, silk Fixed plate 8 is cased on bar 6, fixed plate 8 is fixed on bottom plate 11, and screw rod 6 passes through the hole in fixed plate 8, and can be relative to solid Fixed board 8 is freely rotated.The setting of fixed plate 8, so that the rotation of screw rod 6 is more stable, it is therefore prevented that screw rod 6 produces during rotation Raw shaking.
The rotation axis 2 includes an axis body, and gear piece 22 is fixed on axis body, and the gear piece 22 is sector, and Tooth is equipped on the outer edge surface of gear piece 22, and the planker 7 is equipped with perforation, after the gear piece 22 is engaged with planker 7, Establish the interaction relation of the two.It is fixed with machine leader 21 at the both ends of axis body, the machine leader 21 is sheet metal, is had thereon Card slot allocation, for driving the boss of breaker body two sides mobile.It is also equipped in the rotation axis 2 and guarantees described turn The shaft mounting bracket 23 of the rotation setting of moving axis 2, the shaft mounting bracket 23 are a pair, push down the rotation axis 2 Axis body and be fixed on bottom plate 11.
The transmission component 4 is gear set in embodiment, and the transmission component 4 can also be chain drive certainly Structure or other be capable of the structure of passing movement.The transmission component 4 includes a shell and the gear set positioned at interior of shell, So as to meet the rotational installation of gear set middle gear.The transmission component 4 include one be used for and the clutch 5 The transmission gear 41 of cooperation.Such as Fig. 7, the transmission gear 41 is annular shape, marginal tooth 411 is equipped in annular surface, in institute Annular boss 412 of the transmission gear 41 stated close to 6 side of screw rod is equipped with card and matches cavity 4121.
It is the structural schematic diagram and clutch 5 and the transmission component of the clutch 5 such as Fig. 4,5,6 4 and the screw rod 6 cooperation schematic diagram.Specifically, the clutch 5 includes STATEMENT OF FEDERALLY SPONSORED 51,52 and of clutch elastic component Clutch sliding part 53.The STATEMENT OF FEDERALLY SPONSORED 51 is round tubular part, and a substantially hollow tube, the STATEMENT OF FEDERALLY SPONSORED 51 can also Referred to as casing.The blocked hole 511 cooperated with the screw rod 6 is equipped in one end of STATEMENT OF FEDERALLY SPONSORED 51, in the other end of STATEMENT OF FEDERALLY SPONSORED 51 Equipped with the handle blocked hole 513 for cooperating with handle 100, and it is between the blocked hole 511 and handle blocked hole 513 For accommodating the accommodating chamber 512 of the clutch elastic component 52 and clutch sliding part 53.The accommodating chamber 512 is cylindrical Inner cavity.Sliding slot 514 is offered on the opposite two sides on the cylindrical surface of the STATEMENT OF FEDERALLY SPONSORED 51, a pair of of sliding slot 514 is Enclosed slot.Preferably, position of the position of a pair of of sliding slot 514 relatively and on 51 length direction of STATEMENT OF FEDERALLY SPONSORED corresponds to one It causes.The clutch elastic component 52 is that the clutch sliding part 53 provides the driving force combined with the transmission component 4, institute The clutch elastic component 52 stated is preferably cylindrical spring, the preferred mounting means of clutch elastic component 52 are as follows: clutch elasticity One end of part 52 is resisted against on the step 5121 of 51 inner surface of STATEMENT OF FEDERALLY SPONSORED, the other end is then resisted against the clutch sliding part 53 On.The clutch sliding part 53 is equally placed in the accommodating chamber 513, the clutch sliding part 53 include slipping cylinders 531, Depending post 532 and cooperating head 533, the slipping cylinders 531 is cylindrical body, and depending post 532 snaps onto slipping cylinders 531 In, and lean out the two sides of the slipping cylinders 531.The cooperating head 533 is set in the both ends of depending post 532.Above-mentioned Connection relationship makes the slipping cylinders 531, depending post 532, has assembling capacity between cooperating head 533.It i.e. first will sliding Cylinder 531 is placed in the accommodating chamber 512, and then depending post 532 is radially across corresponding in the slipping cylinders 531 A pair of of sliding slot 514 was visited at behind the hole 5312 and both ends of depending post 532, then cooperating head 533 is installed to depending post 532 Both ends on.
Such as Fig. 8 to Figure 13, the clutch 5 is for realizing connecting or disconnecting the transmission component 4 and described Drive connection between screw rod 6.The screw rod 6 is round bar shape, is equipped with screw rod head towards one end of clutch 5 in screw rod 6 61, it is additionally provided on screw rod head 61 for the first spring against spring against protrusion 611.The screw rod head 61 is hexagonal Shape, naturally it is also possible to be the shape that other are suitble to clamping.The blocked hole 511 of the STATEMENT OF FEDERALLY SPONSORED 51 of the clutch 5 snaps fit onto On screw rod head 61 on screw rod 6, so that synchronous rotation relation can be formed between the STATEMENT OF FEDERALLY SPONSORED 51 and screw rod 6.When described Clutch sliding part 53 when being in first position, the clutch sliding part 53 and the transmission component 4 are clamped;When described When clutch sliding part 53 is in the second position, the clutch sliding part 53 is separated with the transmission component 4.When it is described from When conjunction mechanism 5 is in the state of " conjunction ", the clutch sliding part 53 is in first position state, at this time at clutch sliding part 53 On the right side of in figure, the cooperating head 533 on clutch sliding part 53 is slided simultaneously in a pair of of sliding slot 514 under the traction of depending post 532 It is embedded into the card to match in cavity 4121, so that the clamping of clutch sliding part 53 Yu transmission gear 41 is realized, after the two clamping It moves synchronously.Simultaneously as depending post 532 snaps onto a pair of of sliding slot 514, so that STATEMENT OF FEDERALLY SPONSORED 51 is followed by clutch sliding part 53 It rotates together, and screw rod 6 is driven to rotate.The card is arranged with cavity 4121 in angle is expanded.The angle at the expansion angle is 0 ° to 180 °, Preferred angle is 0 ° to 120 °, and preferred angle is 60 °, convenient for voluntarily disengagement of the two in stuck situation.Likewise, The cooperating head 533 is preferably roller, can also be convenient for the disengagement of the two.It is such setting so that if drawer chassis transmission system Middle when occurring stuck, motor 3 can generate the case where card turns at this time, can badly damaged motor 3.And in the invention, see Fig. 9, When screw rod 6 because transmission chain generation is stuck, screw rod 6 can not be rotated itself, cause STATEMENT OF FEDERALLY SPONSORED 51 that can not rotate, then the clutch Sliding part 53 can not also rotate, so that the cooperating head 533 on clutch sliding part 53 can not rotate, and then 533 pairs of cards of cooperating head are matched Cavity 4121 generates the directed force F in direction as shown in Figure 9.The directed force F is with component F2 in axial direction and along rotation side To component F1.And the presence of component F2 makes the driving force of motor 3 be converted into the clutch sliding part 53 and transmission gear 41 separating force, the separating force overcome clutch elastic component 52, so that above-mentioned clutch sliding part 53 and the transmission gear 41 It disengages.After disengagement, the transmission gear 41 can be freely rotatable, so that stuck and burning phenomenon will not occur for motor 3.
Improvement for above scheme can add a reset spring 9.One reset spring, 9 one end is resisted against described the For one spring in protrusion 611, the other end is resisted against the second spring on sliding body 531 in protrusion 5311.Described Reset spring 9 passes through the hole at 5121 center of step.To which the reset spring 9 is sliding in screw rod 6 and the clutch Elastic force is generated between moving part 53.Due to having added the reset spring 9, in above-mentioned voluntarily unlocking process, point Power F2 need to overcome the elastic force of clutch elastic component 52 and reset spring 9 to realize unlocking motion.
The invention further relates to a kind of circuit breaker drawer base, has a kind of circuit breaker drawer base, and drawer chassis 1 includes outside one Portion's shell 200, handle 100, clutch 5, transmission component 4 and screw rod 6, the clutch 5 be used for transmission component 4 with Drive connection is established or disconnected between screw rod 6, is provided with locking plate 300 on the external shell 200;In normal operating conditions Under, the clutch 5 realizes synchronous rotation with screw rod 6 and the clutch 5 can slide on the screw rod 5; One reset spring 9 is that the clutch 5 provides the driving force combined with transmission component 4;After being inserted into handle 100, hand Handle 100 pushes the locking plate 300, and locking plate 300 occurs mobile and takes off the clutch 5 and the transmission component 4 It opens, after handle 100 is inserted in place, the locking plate 300 is resisted against on handle 100, and the clutch 5 is flexible at it With the locking plate 300 against so that it is to clutch 5 outside to bear reset spring 9 by the locking plate 300 on direction Thrust.
Continue to see that Figure 12, the handle 100 are the trigger devices mutually switched for realizing electric drive with manual actuation, I.e. after filling in handle 100 and by the push-in of handle 100 in place, the locking plate 300 is by the clutch 5 and passes Dynamic component 4 separates, specifically, being detached from the clutch sliding part 53 of clutch 5 and the transmission gear 41 of transmission component 4.This When, clutch 5 is in the state of " dividing ", and breaker is under manual drive mode, and described break is driven by handle 100 Road device ontology moves in drawer chassis 1.And when needing hand pattern switching to electric model, operator need to only extract handle 100, at this point, due to the pull-out of handle 100, the locking plate 300 resets under the action of voluntarily restoring force, thus the lock Piece 300 no longer stops the STATEMENT OF FEDERALLY SPONSORED 51 of the clutch 5, and the reset spring 9 releases the clutch 5, To which the clutch sliding part 53 of the clutch 5 is combined with the transmission gear 41 of transmission component 4.At this point, it is described from Close the state that mechanism 5 is in " conjunction ".Breaker is switched to electric Drive Mode.To drive the breaker by motor 3 Ontology moves in drawer chassis 1.
Handle 100 include handle head 101, the handle head 101 be hexagon, for the handle blocked hole 513 clampings, therefore, the shape of handle head 101 should match with the shape of handle blocked hole 513, to guarantee the two clamping After can rotate synchronously, will not there is a situation where be detached from.The shape of the two is not limited to hexagon, and being also possible to other can mutually be clamped Shape.Such as rectangular, triangle, pentagon and hexagon etc..
Such as Figure 11,13, in 101 push-on process of handle head, it is mobile that the handle head 101 pushes the locking plate 300, institute The locking plate 300 stated overcomes the elastic force of reset spring 9 in moving process and pushes the clutch 5 and the transmission group Part 4 is detached from, i.e., compresses reset spring 9.Specifically, the locking plate 300 pushes the STATEMENT OF FEDERALLY SPONSORED 51 on clutch 5 to moving to left After dynamic, STATEMENT OF FEDERALLY SPONSORED 51 described in 514 follower of a pair of of sliding slot in STATEMENT OF FEDERALLY SPONSORED 51 it is mobile and drive clutch sliding part 53 be detached from Card matches the clamping of cavity 4121, so that the clutch 5 and transmission gear 41 relieve drive connection.When dial-out handle After 100, the clutch sliding part 53 is mobile to diagram right side under the pushing of 9 elastic force of reset spring, until the clutch The cooperating head 533 of sliding part 53 is embedded into the card and matches in cavity 4121, so that the clutch 5 and transmission gear 41 Establish drive connection.
Theory based on the invention, or perhaps technical inspiration, if in the screw rod 6 and the clutch Setting card matches the fit structure of cavity and cooperating head on 5, specifically, being equipped with card on screw rod 6 matches cavity, the card It is to expand angle chamber, and the clutch 5 is identical as above scheme with cavity, only towards on the contrary, the clutch is slided The card in cooperating head 533 and screw rod 6 on part 53 is realized with cavity to be engaged by clamping.When clutch 5 is in the state of " conjunction ", Cooperating head 533 on the clutch sliding part 53 snaps onto the card of screw rod 6 with the clamping connection for realizing synchronous rotation in cavity; When screw rod 6 is stuck to be rotated, due to the driving of motor 3, cooperating head 533 is exited from card with cavity from inside to outside, to prevent Motor 3 is stuck.Feature in first embodiment can also with in the embodiment, such as: the clutch elastic component 52 One end is against STATEMENT OF FEDERALLY SPONSORED 51, and the other end is against clutch sliding part 53.The clutch elastic component 52 is cylindrical spring, the clutch bullet Property part 52 one end be resisted against on the step 5121 of 512 inner surface of accommodating chamber, that the other end is resisted against the clutch is sliding On moving part 53.The card is arranged with cavity 4121 in angle is expanded.The angle at the expansion angle be 0 ° to 180 °, preferred angle be 0 ° extremely 120 °, preferred angle is 60 °, convenient for voluntarily disengagement of the two in stuck situation.The above embodiments belong to simply Deformation, also can be realized the effect that the invention is expected.Belong to the protection scope of the invention.
Such as Figure 14,15.Drawer chassis 1 further includes an external shell 200, and the external shell 200 is a plastic part, usually Using injection molding.The external shell 200 is mounted on the front side of bottom plate 11, specifically, the bottom plate 11 is close to open circuit The positive side of device is equipped with installation flange, and the external shell 200 is mounted on the installation flange.In the external shell 200 Upper sliding is provided with locking plate 300, and certainly, the locking plate 300 is also possible to rotation setting.The locking plate 300 can be one Plastic part is equipped with fixed bracket 301 on locking plate 300, and a returning spring 302 is mounted on the fixation bracket 301, and described consolidates Fixed rack 301 is in a frame shape.And the returning spring 302 is horizontally disposed relative to the locking plate 300, and time The both ends of multiple spring 302 are connected to two opposite insides of fixed bracket 301.And the diameter of returning spring 302 is greater than fixed branch The thickness of frame 301, therefore when the locking plate 300 moves horizontally, the returning spring 302 can on external shell 200 Extension 201 collide, and the returning spring 302 is squeezed by the extension 201.So that working as the locking plate 300 to one After side is mobile, the returning spring 302 compresses after being squeezed by the extension 201 of external shell 200, and generates so that locking plate 300 make the elastic force of return motion.There is the sliding slot chamber 202 for the sliding setting of locking plate 300 on the external shell 200, And there is the protrusion 203 in a sliding slot being insinuated on the locking plate 300, the protrusion 203 on external shell 200 Cooperation with the sliding slot on locking plate 300 limits the sliding distance of the locking plate 300.More specifically, the sliding slot chamber 202 be a cavity towards the bottom plate 11, the peace of the other side and the bottom plate 11 after the locking plate 300 is placed in one Dress flange fits, so that the locking plate 300, which is not fallen out, to be come after the shell body 200 is installed.
When locking plate 300 is in initial position, i.e., when the position not pushed by handle 100, which can be described as first position, And when the locking plate 300 is pushed and disengaged the clutch 5 and transmission component 4 by the handle 100, locking plate 300 position is known as the second position.The movement of locking plate 300 between the first position and the second position can be sliding, can also be with It is rotation.The move mode of the locking plate 300 can be the driving of manpower or inserting or pull out by handle 100 simultaneously To drive the locking plate 300 mobile.Following description is to illustrate to drive the locking plate 300 by the handle 100 Mobile technical solution.When using manpower to drive the locking plate 300, first have operator stir the locking plate 300 from First position is moved to the second position, and be inserted into the handle 100 prevents in a lateral direction against the locking plate 300 Locking plate 300 leaves the second position.And using handle 100 come when driving the locking plate 300, during being inserted into handle 100 It is mobile that the locking plate 300 is driven by handle 100, and after the locking plate 300 is moved to the second position, the handle 100 are inserted in place, and the handle 100 is in a lateral direction against the locking plate 300.The locking plate 300 is in first When position, the clutch 5 and the transmission component 4 establish drive connection;The locking plate 300 is in the second position When, the clutch 5 and the transmission component 5 disconnect drive connection.
In normal operation, the clutch 5 and screw rod 6 realize synchronous rotation and the clutch 5 It can be slided on the screw rod 6;One reset spring 9 is that the clutch 5 provides the driving combined with transmission component 4 Power;Locking plate 300 can transverse shifting between the first position and the second position;When locking plate 300 is in first position, it is described from Mechanism 5 is closed to be combined with transmission component 4;After handle 100 is inserted in place, locking plate 300 is in the second position, the locking plate 300 It is resisted against the side of handle 100, in a vertical direction, the active force of reset spring 9 is applied to locking plate after clutch 5 On 300.Transverse direction refers to cross section direction or the breaker horizontal direction of screw rod 6.And corresponding, described vertical side To the axial direction referred to along screw rod 6, or along breaker front-rear direction.
It is equipped with handle on locking plate 300 and passes through hole 304, it is outer equipped with pushing towards external side in the locking plate 300 Edge boss 303.Outer rim boss 303, In is pushed specifically, passing through around hole 304 and being equipped with towards external side in handle The pushing outer rim boss 303, which is equipped with, pushes slope 3031, and the handle head 101 pushes the pushing slope Drive the locking plate 300 mobile after 3031;It is passed through around hole 304 in handle and is equipped with butting section towards internal side 305, it is additionally provided with against slope 3051 on the butting section 305, it is preferred that be additionally provided on butting section 305 against plane 3052, it is described to be connected against slope 3051 with against 3052 phase of plane, i.e., described clutch 5 prior to it is described against Slope 3051 is against to when moving to the second position, the clutch 5 leans with against plane.For driving manually For the technical solution for moving the locking plate 300, the butting section 305 is necessarily present against slope 3051, and institute Pushing outer rim boss 303, the pushing slope 3031 stated are used to cooperate with handle 100, can omit.And it is described against plane 3052 be a kind of preferred scheme, i.e., when the butting section 305 is equipped with against plane 3052, the locking plate 300 is moved When moving to the second position, by clutch 5 against described against plane 3052, specific STATEMENT OF FEDERALLY SPONSORED 51 against it is described against Plane 3052, due to being plane against plane 3052, above-mentioned reset spring 9 will not be decomposed in the elastic force of vertical direction Therefore transverse direction reduces the driving force when the driving locking plate 300 is mobile, significantly convenient for operation.
Drive the specific action process of the locking plate 300 as follows by handle 100: when the locking plate 300 is in just When beginning position, the handle passes through hole 304 and is arranged in a staggered manner with the handle blocked hole 513.It is inserted into handle 100.When by hand Button 101 is filled in during the handle passes through hole 304, and the handle head 101 first pushes upon the pushing slope 3031, so that the handle passes through hole 304 and is aligned with the handle blocked hole 513.It is described in above-mentioned alignment procedures Handle head 101 pushes in the moving process for pushing slope 3031 and driving the locking plate 300, butting section thereon 305 are followed by the movement of locking plate 300, push STATEMENT OF FEDERALLY SPONSORED 51 mobile to circuit breaker internal against slope 3051 on butting section 305, To drive clutch sliding part 53 to be detached from the contact with card with cavity 4121 by STATEMENT OF FEDERALLY SPONSORED 51.At this point, be converted to by handle 100 Drive movement of the breaker body relative to drawer chassis 1.Specifically, described push the STATEMENT OF FEDERALLY SPONSORED against slope 3051 51 in a vertical direction to retraction on the inside of breaker, and a pair of of sliding slot 514 due to being located in STATEMENT OF FEDERALLY SPONSORED 51 pushes and is located at the cunning The clutch sliding part 53 in slot 514, so that the cooperating head 533 on clutch sliding part 53 is detached from the card with cavity 4121, and then the clutch 5 is in the state of " dividing ".
After the handle 100 is inserted in place, the handle 100 is in stable state.At this point, the locking plate 300 are laterally resisted against on handle 100.Specifically, the inside that the handle of the locking plate 300 passes through hole 304 be resisted against it is described On the side of handle 100, thus, the locking plate 300 can not be returned to original state, i.e., the returning spring 302 can not The locking plate 300 is replied.Locking plate 300 is stablized in the second position at this time.And the STATEMENT OF FEDERALLY SPONSORED 51 of the clutch 5 against On locking plate 300.Since the STATEMENT OF FEDERALLY SPONSORED 51 is located against and can not stretch out.Therefore, the cooperation on the clutch sliding part 53 Bar 532 and cooperating head 533 are stopped by a pair of of sliding slot 514 in STATEMENT OF FEDERALLY SPONSORED 51, at this time the effect in the vertical direction of reset spring 9 Power is applied on locking plate 300 after clutch sliding part 53, STATEMENT OF FEDERALLY SPONSORED 51.Therefore operator's swinging handle 100 is to breaker sheet When mobile carry out manual actuation of the body relative to drawer chassis 1, the elastic force of reset spring 9 is overcome without pressing handle 100, is only needed Driving operation can be completed in the power for applying swinging handle 100.
In the case where above-mentioned handle 100 drives breaker body mobile relative to drawer chassis, handle 100 is extracted, this When, the locking plate 300 returns to first position under the restoring force effect of returning spring 302.And simultaneously, the butting section 305 are no longer abut against the STATEMENT OF FEDERALLY SPONSORED 51, so that the reset spring 9 is by the clutch sliding part 53,51 and of STATEMENT OF FEDERALLY SPONSORED Clutch elastic component 52 is released, and is forced clutch sliding part 53 to snap onto card in cavity 4121, is realized clutch 5 and the biography The drive connection of dynamic component 4.To which the clutch 5 is in the state of " conjunction ".The breaker turns to electronic drive Under dynamic mode.If the butting section 305 is only had against slope 3051 without against plane 3052, due to multiple The vertical active force of position spring 9 can generate lateral component against slope 3051 by described, which may make described Locking plate 300 reply, at this point, no setting is required the returning spring 302 provides restoring force.
The invention is on the one hand by setting the card with cavity 4121 in angle setting is expanded, so that working as drawer chassis 1 When interior drive mechanism occurs stuck, the clutch 5 and the transmission component 4 or it can be sent out with the screw rod 6 It is estranged from so that the motor 3 can drive the transmission gear 41 of the transmission component 4 to dally, such motor 3 will not occur It is stuck, the phenomenon that scaling loss will not occur.
On the other hand, after being inserted in place due to handle 100, the active force of the reset spring 9 is converted into locking plate disconnected Restoring force in the device transverse plane of road, and the restoring force is stopped by the side of handle 100.When manpower driving handle 100 rotates When, without overcoming the active force from reset spring 9 in breaker vertical direction, i.e. handle 100 will not voluntarily take off operator Out.So that operator is more light in swinging handle 100, simple.

Claims (13)

1. a kind of electric drawer holder structure of breaker, breaker includes drawer chassis (1) and breaker body, on drawer chassis (1) Equipped with transmission shaft (2), motor (3), transmission component (4), clutch (5), screw rod (6) and planker (7);Motor (3) driving passes Dynamic component (4) movement, the clutch (5) realize connecting or separating between transmission component (4) and screw rod (6), screw rod (6) drive planker (7) mobile, planker (7) drives transmission shaft (2) rotation, drives breaker body relative to pumping by transmission shaft (2) Drawer seat (1) is mobile;It is characterized in that, the clutch (5) includes that STATEMENT OF FEDERALLY SPONSORED (51), clutch elastic component (52) and clutch are sliding Moving part (53), the STATEMENT OF FEDERALLY SPONSORED (51) and screw rod (6) rotate synchronously and connect;The clutch sliding part (53) is located at STATEMENT OF FEDERALLY SPONSORED (51) it rotates synchronously and can be slided relative to STATEMENT OF FEDERALLY SPONSORED (51) on;The clutch elastic component (52) is the clutch sliding part (53) driving force combined with the transmission component (4) is provided;It is described when clutch (5) are in the state of " conjunction " Cooperating head (533) on clutch sliding part (53) snaps onto the card of the transmission gear (41) of transmission component (4) with cavity (4121) It is interior;The card is to expand angle chamber with cavity (4121), and when screw rod (6) can not rotate, due to the driving of motor (3), card is with recessed Cooperating head (533) can be pushed outwardly by chamber (4121), to prevent motor (3) stall;In the cylinder of the STATEMENT OF FEDERALLY SPONSORED (51) It is offered on the opposite two sides in face sliding slot (514), the sliding slot (514) is enclosed slot;The clutch sliding part (53) It further include slipping cylinders (531), depending post (532), the slipping cylinders (531) is cylindrical body, and the depending post (532) sliding slot (514) was being visited radially across the both ends Kong Houqi corresponding on slipping cylinders (531);The cooperation Head (533) is set in the both ends of depending post (532).
2. a kind of electric drawer holder structure of breaker according to claim 1, it is characterised in that the clutch elasticity
One end of part (52) is against STATEMENT OF FEDERALLY SPONSORED (51), and the other end is against clutch sliding part (53).
3. a kind of electric drawer holder structure of breaker according to claim 1, it is characterised in that the transmission gear (41) it is annular shape, is equipped with marginal tooth (411) in annular surface;The card is located at the transmission gear with cavity (4121) (41) on the annular boss (412) of described screw rod (6) side.
4. a kind of electric drawer holder structure of breaker according to claim 1, it is characterised in that the STATEMENT OF FEDERALLY SPONSORED (51) to be round tubular, it is equipped with the blocked hole (511) cooperated with the screw rod (6) in one end of STATEMENT OF FEDERALLY SPONSORED (51), is linking The other end of part (51) is equipped with the handle blocked hole (513) for handle (100) cooperation with breaker, and in the clamping For for accommodating the clutch elastic component (52) and clutch sliding part (53) between hole (511) and handle blocked hole (513) Accommodating chamber (512);The accommodating chamber (512) is cylindrical inner cavity.
5. a kind of electric drawer holder structure of breaker according to claim 4, it is characterised in that the clutch elasticity Part (52) is cylindrical spring, and one end of the clutch elastic component (52) is resisted against the step of described accommodating chamber (512) inner surface (5121) on, the other end is resisted against on the clutch sliding part (53).
6. a kind of electric drawer holder structure of breaker according to claim 1, it is characterised in that the card matches cavity (4121) expansion angle number is 0 ° to 120 °.
7. a kind of electric drawer holder structure of breaker according to claim 6, it is characterised in that the card matches cavity (4121) expansion angle number is 60 °.
8. a kind of electric drawer holder structure of breaker according to claim 1, it is characterised in that the cooperating head (533) it is roller, can be rotated relative to the card with cavity (4121).
9. a kind of electric drawer holder structure of breaker, breaker includes drawer chassis (1) and breaker body, on drawer chassis (1) Equipped with transmission shaft (2), motor (3), transmission component (4), clutch (5), screw rod (6) and planker (7);Motor (3) driving passes Dynamic component (4) movement, the clutch (5) realize connecting or separating between transmission component (4) and screw rod (6), screw rod (6) drive planker (7) mobile, planker (7) drives transmission shaft (2) rotation, drives breaker body relative to pumping by transmission shaft (2) Drawer seat (1) is mobile;It is characterized in that, the clutch (5) includes that STATEMENT OF FEDERALLY SPONSORED (51), clutch elastic component (52) and clutch are sliding Moving part (53);The STATEMENT OF FEDERALLY SPONSORED (51) and transmission component (4), which rotates synchronously, to be connected;The clutch sliding part (53) is located at connection It rotates synchronously and can be slided relative to STATEMENT OF FEDERALLY SPONSORED (51) on moving part (51);The clutch elastic component (52) is that the clutch is sliding Moving part (53) provides the driving force combined with the screw rod (6);It is described when clutch (5) are in the state of " conjunction " Cooperating head (533) on clutch sliding part (53) snaps onto the card of screw rod (6) in cavity;The card is to expand angle with cavity Chamber, when screw rod (6) can not rotate, due to the driving of motor (3), cooperating head (533) is exited from card with cavity from inside to outside, thus Prevent motor (3) stall;It is offered sliding slot (514) on the opposite two sides on the cylindrical surface of the STATEMENT OF FEDERALLY SPONSORED (51), it is described Sliding slot (514) be enclosed slot;The clutch sliding part (53) further includes slipping cylinders (531), depending post (532), described Slipping cylinders (531) be cylindrical body, and the depending post (532) corresponding hole on radially across slipping cylinders (531) The sliding slot (514) was visited at its both ends afterwards;The cooperating head (533) is set in the both ends of depending post (532).
10. a kind of electric drawer holder structure of breaker according to claim 9, it is characterised in that the clutch elasticity One end of part (52) is against STATEMENT OF FEDERALLY SPONSORED (51), and the other end is against clutch sliding part (53).
11. a kind of electric drawer holder structure of breaker according to claim 9, it is characterised in that the STATEMENT OF FEDERALLY SPONSORED It (51) include an accommodating chamber (512) that the clutch elastic component (52) is cylindrical spring, and one end of the clutch elastic component (52) is supported It leans against on the step (5121) of described accommodating chamber (512) inner surface, the other end is resisted against on the clutch sliding part (53).
12. a kind of electric drawer holder structure of breaker according to claim 9, it is characterised in that the card matches cavity Expansion angle number be 0 ° to 120 °.
13. a kind of electric drawer holder structure of breaker according to claim 12, it is characterised in that the card is with recessed The expansion angle number of chamber is 60 °.
CN201811162103.2A 2018-09-30 2018-09-30 A kind of electric drawer holder structure of breaker Active CN109103054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811162103.2A CN109103054B (en) 2018-09-30 2018-09-30 A kind of electric drawer holder structure of breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811162103.2A CN109103054B (en) 2018-09-30 2018-09-30 A kind of electric drawer holder structure of breaker

Publications (2)

Publication Number Publication Date
CN109103054A CN109103054A (en) 2018-12-28
CN109103054B true CN109103054B (en) 2019-11-08

Family

ID=64868132

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811162103.2A Active CN109103054B (en) 2018-09-30 2018-09-30 A kind of electric drawer holder structure of breaker

Country Status (1)

Country Link
CN (1) CN109103054B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202788117U (en) * 2012-09-28 2013-03-13 帕洛克(厦门)电子科技有限公司 Clutch overload protection mechanism of remote control parking lock
CN203166375U (en) * 2013-03-26 2013-08-28 上海精翊电器有限公司 Universal breaker drawer seat three-position locking device
CN205610073U (en) * 2016-04-08 2016-09-28 乐清市振弘开关有限公司 Separation and reunion locking device of transmission shaft in conventional circuit -breaker drawout chassis base
CN206758931U (en) * 2017-05-12 2017-12-15 常熟开关制造有限公司(原常熟开关厂) A kind of circuit breaker drawer base transmission device
CN206789507U (en) * 2017-05-12 2017-12-22 常熟开关制造有限公司(原常熟开关厂) A kind of breaker
KR20180076234A (en) * 2016-12-27 2018-07-05 엘에스산전 주식회사 Position indicator of air circuit breaker

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105070580B (en) * 2015-07-15 2017-04-26 江苏明及电气股份有限公司 Side-mounted high-voltage vacuum circuit breaker
CN105703252B (en) * 2016-04-08 2023-08-18 乐清市振弘开关有限公司 Clutch locking device of transmission shaft in drawer base of universal circuit breaker

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202788117U (en) * 2012-09-28 2013-03-13 帕洛克(厦门)电子科技有限公司 Clutch overload protection mechanism of remote control parking lock
CN203166375U (en) * 2013-03-26 2013-08-28 上海精翊电器有限公司 Universal breaker drawer seat three-position locking device
CN205610073U (en) * 2016-04-08 2016-09-28 乐清市振弘开关有限公司 Separation and reunion locking device of transmission shaft in conventional circuit -breaker drawout chassis base
KR20180076234A (en) * 2016-12-27 2018-07-05 엘에스산전 주식회사 Position indicator of air circuit breaker
CN206758931U (en) * 2017-05-12 2017-12-15 常熟开关制造有限公司(原常熟开关厂) A kind of circuit breaker drawer base transmission device
CN206789507U (en) * 2017-05-12 2017-12-22 常熟开关制造有限公司(原常熟开关厂) A kind of breaker

Also Published As

Publication number Publication date
CN109103054A (en) 2018-12-28

Similar Documents

Publication Publication Date Title
CN109038345A (en) A kind of circuit breaker drawer base
CN108054582B (en) A kind of electrical equipment Power Supply Assembly
CN107139761B (en) A kind of new-energy automobile equipment
US10826239B1 (en) Pop-up plug having a modularized plug separation mechanism
CN105090243A (en) Guiding device for pulling piece and household appliance
CN208674731U (en) A kind of circuit breaker drawer base
CN109103054B (en) A kind of electric drawer holder structure of breaker
CN113864324B (en) Folding assembly and electronic equipment
CN101174524B (en) Air circuit breaker and link thereof
CN103283374A (en) Folding push rod mechanism of garden tool
CN107887198B (en) Interlocking device for door body of switch cabinet
CN102958401B (en) Pull-out guide for pull-out furniture part
CN213367081U (en) Fixed closed switch cabinet of convenient dismouting of circuit breaker part
CN110880689A (en) Safe isolated block terminal
CN102697402B (en) Electric oven with detachable oven door
CN109390795A (en) A kind of novel power supply device
CN207009388U (en) A kind of earth leakage protective device
CN209860465U (en) Multifunctional interlocking mechanism of plug-in distribution box
CN203327538U (en) Folding push rod mechanism of garden tool
CN211045334U (en) Operating mechanism and be equipped with this operating mechanism's cubical switchboard
CN216487923U (en) Operating mechanism of circuit breaker
CN210016164U (en) Switch cabinet with lock on chassis
CN219158664U (en) GIS switch mechanical lock with automatic reset deflector rod
CN109193438A (en) The drive mechanism of electric drawer seat
CN113839243B (en) Wall socket capable of preventing electric spark and overload

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant