CN206546978U - A kind of front door of switch cabinet locking device and the switch cubicle using the locking device - Google Patents

A kind of front door of switch cabinet locking device and the switch cubicle using the locking device Download PDF

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Publication number
CN206546978U
CN206546978U CN201720210789.2U CN201720210789U CN206546978U CN 206546978 U CN206546978 U CN 206546978U CN 201720210789 U CN201720210789 U CN 201720210789U CN 206546978 U CN206546978 U CN 206546978U
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China
Prior art keywords
stroke
arm
unlocking
locking
cabinet
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CN201720210789.2U
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Chinese (zh)
Inventor
张罗锐
陈利民
贾世江
夏琨
孙美艳
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State Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
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Application filed by State Grid Corp of China SGCC, Pinggao Group Co Ltd, Tianjin Pinggao Intelligent Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201720210789.2U priority Critical patent/CN206546978U/en
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Publication of CN206546978U publication Critical patent/CN206546978U/en
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Abstract

The utility model is related to a kind of front door of switch cabinet locking device and the switch cubicle using the locking device, switch cubicle includes cabinet and front door, provided with can be back into cabinet and the breaker that can be exited from cabinet forward in cabinet, switch cubicle also includes the locking device for being used to carry out front door locking, locking device includes the lock being arranged on front door and the locking unlocking mechanism being arranged in cabinet, locking unlocking mechanism includes the dead bolt that reciprocating movement is assemblied in cabinet, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, dead bolt is relied on the positive activity of the elastic acting force of gravity and/or elastic mechanism application on its positive locking stroke and coordinated with hook corresponding with the lock, dead bolt is driven reverse activity to disengage unblock with the lock on its reversely unblock stroke by the breaker moved from back to front.Due to carrying out locking not against breaker, locking unlocking mechanism need not be made big, and space-consuming is smaller, simple in construction.

Description

A kind of front door of switch cabinet locking device and the switch cubicle using the locking device
Technical field
The utility model is related to a kind of front door of switch cabinet locking device and the switch cubicle using the locking device.
Background technology
Required according to Medium voltage switch or circuit breaker cabinet equipment five is anti-, prevent mistakenly entering charged chamber, 35kV medium voltage switchgear equipments are metal armour Enclosed construction is filled, it is necessary to the removable interlocked control for opening part of cabinet be controlled, in switch cubicle in the running of switch cubicle When breaker is in operating position, breaker chamber formation conducting loop in this state, if opening circuit breaker chamber door, is deposited In the danger of mistakenly entering charged chamber.
In the high-tension switch cabinet of current industry, do not design mostly when breaker is in the displacement of testing position and operating position , there is the risk for opening by mistake and opening in the structure being controlled during conversion to the switching manipulation of front door of switch cabinet.There are a small number of manufacturers pair The design method of mistakenly entering into charged breaker chamber is to utilize switch cabinet shutter interlock, in breaker and the row of valve interlocking mechanism Enter on stroke to install additional interlocking, realize the interlocked control to front door of switch cabinet, this set interlock and valve interlock one, knot Structure is complicated, and two sets of interlocks have transmission restricting relation, and reliability is not high, exists and influences each other, meanwhile, this set interlock Inside cabinet, emergency release can not be realized on the outside of cabinet.
A kind of handcart switch cabinet is disclosed in Authorization Notice No. is CN201887366U Chinese utility model patent Breaker and front door interlocking mechanism, including the lock for being arranged on front door and the fixation for being arranged in cabinet Hook is rotatably equipped with block, fixed block, hook, which has, is used on the gib head with the corresponding grafting of lock, hook having straight bar section, Straight bar section is used to coordinate with breaker, when breaker moves into operating position from the front to the back, the upward top pressure straight-bar of breaker Section, forces hook to rotate so that the gib head inserting corresponding with the lock on front door of hook front end, realizes the locking to front door, and When breaker is moved from the front to the back, the no longer upward pushing tow straight bar section of breaker, under straight bar section self gravitation effect, hook is anti- To gib head and lock disengagement is rotated such that, unblock is realized.
This interlocking mechanism is relatively simple, but must be by hook ability of the breaker top pressure as locking-tripper Locking is realized, this is accomplished by hook structure, length that locking-tripper is configured as according to breaker operating position, protected Demonstrate,prove the locking to hook.Due to breaker enter cabinet in operating position it is more inner, this cause hook needs be designed to compared with Long, in 600mm or so, rotation, rotation space is larger as 35kV switch cubicle strokes, is easily interfered, and makes hook straight It is dynamic carry out locking, unblock if, it is necessary to configure rotating drive mechanism in addition to realize locking to hook, unblock, cause whole Individual locking-tripper structure can be more complicated.
Utility model content
The utility model provides a kind of front door of switch cabinet locking device, must be relied on solving interlock in the prior art Breaker top pressure could realize the technical problem of locking as the hook of locking-tripper;Meanwhile, the utility model is also provided A kind of switch cubicle using above-mentioned locking device.
The technical scheme of front door of switch cabinet locking device provided by the utility model is:A kind of front door of switch cabinet locking dress Put, including the lock for being arranged on cabinet front door and locking-unlocking mechanism for being arranged in switch cubicle, the lock Only-unlocking mechanism includes being used for the dead bolt that reciprocating movement is assemblied in switch cubicle, and the reciprocating movement stroke of dead bolt includes positive lock Only stroke and reversely unblock stroke, dead bolt rely on the elasticity work that gravity and/or elastic mechanism apply on its positive locking stroke Firmly positive activity is coordinated with hook corresponding with the lock, and dead bolt is used in switch cubicle from rear on its reversely unblock stroke The breaker driving reverse activity of forward movement is unlocked with being disengaged with the lock.
Locking-the unlocking mechanism includes being used for unlocking arm of the rolling assembling in switch cubicle, the reciprocating rotation of unlocking arm Stroke includes the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, unlocking arm have it is facing forward for by The breaker pushing tow in access switch cabinet is to force the preceding pushing tow of unlocking arm swing backward to avoid face from front to back, and unlocking arm also has There is being used for by the breaker pushing tow moved from back to front to force unlocking arm to swing forward and then drive the dead bolt to exist backwards The rear pushing tow solution locking face reversely moved on unblock stroke.
Locking-the unlocking mechanism also includes being used for intermediate transmission arm of the rolling assembling in switch cubicle, intermediate transmission arm With the drive division that the dead bolt reciprocating movement is driven during its reciprocating rotation, intermediate transmission arm is rotated forward with by institute Stating drive division drives dead bolt movable on positive locking stroke, and intermediate transmission arm rotates backward to drive institute by the drive division State dead bolt activity on reversely unblock stroke, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, unidirectionally from Transmission mechanism is closed to be in engagement state when unlocking arm is located on reverse pushing tow stroke to drive intermediate transmission arm anti-by unlocking arm To rotation, one-way clutch transmission mechanism is in disengaged condition when unlocking arm is located at positive avoid on stroke.
The center of rotation axis of the intermediate transmission arm and the center of rotation axis of unlocking arm are coaxial, and the one-way clutch is passed Motivation structure includes the transmission pushing tow face for the direction unlocking arm that the intermediate transmission arm is provided with, and the unlocking arm has in solution Hammerlock is in pushing tow when on reverse pushing tow stroke and is driven pushing tow face to drive intermediate transmission arm to rotate backward, in unlocking arm in just Avoid the transmission pushing tow face to cause one-way clutch transmission mechanism to be in the unidirectional pushing tow of disengaged condition when on to avoidance stroke Portion.
Front door of switch cabinet locking device also include being used for rear pushing tow unblock emaciated face in breaker and the unlocking arm from when Drive the counter-rotational emergent unlocking structure of intermediate transmission arm.
The dead bolt is the limiting plate being assemblied in for guiding movement along the vertical direction in switch cubicle, and the limiting plate is provided with It is vertically extending and with the drive division inserting of the intermediate transmission arm to cause the drive division of limiting plate and intermediate transmission arm Form the guide chute of crank block slider structure.
The technical scheme of switch cubicle provided by the utility model using above-mentioned locking device is:A kind of switch cubicle, bag Include in cabinet and front door, cabinet provided with can be back into cabinet and the breaker that can be exited from cabinet forward, switch cubicle is also Including the locking device for carrying out locking to front door, locking device includes the lock being arranged on front door and is arranged in cabinet Locking-unlocking mechanism, the locking-unlocking mechanism includes reciprocating movement and is assemblied in dead bolt in cabinet, the past resurrection of dead bolt Dynamic stroke includes positive locking stroke and reversely unblock stroke, and dead bolt relies on gravity and/or elasticity on its positive locking stroke The positive activity of elastic acting force that mechanism applies is coordinated with hook corresponding with the lock, dead bolt its it is reverse unlock on stroke by The breaker driving reverse activity moved from back to front is unlocked with being disengaged with the lock.
Locking-the unlocking mechanism includes rolling assembling the unlocking arm in cabinet, the reciprocating rotation stroke bag of unlocking arm Include the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, unlocking arm has facing forward for laggard Enter the breaker pushing tow in cabinet to force the preceding pushing tow of unlocking arm swing backward to avoid face, unlocking arm also has being used for backwards By the breaker pushing tow moved from back to front with force unlocking arm swing forward so that drive the dead bolt reversely unblock stroke The rear pushing tow solution locking face of upper movement.
Locking-the unlocking mechanism also includes rolling assembling the intermediate transmission arm in cabinet, and intermediate transmission arm has The drive division of the dead bolt reciprocating movement is driven during its reciprocating rotation, intermediate transmission arm is rotated forward with by the driving Portion drives dead bolt movable on positive locking stroke, and intermediate transmission arm rotates backward to drive the dead bolt by the drive division The activity on reversely unblock stroke, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, one-way clutch transmission Mechanism is in engagement state when unlocking arm is located on reverse pushing tow stroke to be rotated backward by unlocking arm driving intermediate transmission arm, One-way clutch transmission mechanism is in disengaged condition when unlocking arm is located at positive avoid on stroke.
The locking device also include being used for rear pushing tow unblock emaciated face in breaker and the unlocking arm from when driving in Between the counter-rotational emergent unlocking structure of transmission arm.
The beneficial effects of the utility model are:In front door of switch cabinet locking device provided by the utility model, locking-solution The dead bolt of latch mechanism coordinates by the elastic reaction hook corresponding with lock of gravity and/or elastic mechanism, locking is realized, in open circuit When device is moved rearwards by, dead bolt can be driven to be moved on its reversely unblock stroke to be disengaged with lock, unblock is realized.Due to that can rely on The elastic acting force that gravity and/or elastic mechanism are provided realizes locking, it is not necessary to locking-unlocking mechanism is locked by breaker Only, so, the breaker operating position at deep place inside cabinet is arranged in, accident will not be caused to locking-unlocking mechanism Influence, locking-unlocking mechanism need not be made big or very complicated, and space-consuming is relatively small, and structure is also comparatively simple It is single.
Further, locking-unlocking mechanism includes rolling assembling the unlocking arm in switch cabinet body, unlocking arm it is reciprocal Rotational travel include breaker in the positive reverse pushing tow stroke for avoiding stroke and swinging forward of swing backward, switch cubicle to Move afterwards and avoid face to enter preceding pushing tow when in cabinet on pushing tow unlocking arm, force unlocking arm swing backward to enter positive avoid Stroke, and when breaker is moved from the front to the back, the rear pushing tow solution locking face that breaker can be on pushing tow unlocking arm, force unlocking arm to Before swing into reverse pushing tow stroke, driving dead bolt by unlocking arm, reverse activity is to realize unblock on reversely unblock stroke, knot Structure is relatively simple, easy to use.
Further, locking-unlocking mechanism also includes intermediate transmission arm, and the intermediate transmission arm rotated forward is passed by centre Drive division on swing arm drives dead bolt movable on positive locking stroke, and counter-rotational intermediate transmission arm passes through intermediate transmission arm On the activity on reversely unblock stroke of drive division driving keyed, correspondence intermediate transmission arm sets elastic mechanism, by elastic mechanism Apply to intermediate transmission arm and force the active force that it is rotated forward, to ensure dead bolt with latching effective locking, one-way clutch transmission Mechanism is on the premise of the breaker for ensureing to move forward can force dead bolt normal release by unlocking arm, intermediate transmission arm, also So that breaker only needs to overcome rotating for unlocking arm can be in the cabinet of access switch cabinet, resistance is smaller, convenient to enter.
Further, the drive division formation crank block slider structure of limiting plate and intermediate transmission arm, can reduce intermediate transmission arm Rotational angle when being unlocked, locking being operated, reduces the space that locking-unlocking mechanism takes.
Further, because locking-unlocking mechanism does not need breaker to carry out locking to it, it can so utilize and be arranged on Emergency unlocking mechanism driving intermediate transmission arm on cabinet rotates backward to drive dead bolt to disengage unblock with lock, improves whole lock Determine the security of device.
Further, because the hinge that front door is generally arranged using side realizes folding, because front door is heavier, easily occur The problem of arrisdefect is moved down, due in fixed plate in dead bolt arranged beneath cross-brace plate section, also, lock towards in cabinet The one end in portion has lead-in chamfered, so, before being turned off during door, and even the problem of arrisdefect is moved down occurs in front door, and also may be used Using the cooperation of lead-in chamfered and cross-brace plate section, lock is lifted up together with front door using cross-brace plate section, it is ensured that The normal switching-off at front door.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of switch cubicle provided by the utility model(Breaker is in work Position, front door locking device is in the locked position);
Fig. 2 is schematic diagram when breaker in switch cubicle shown in Fig. 1 is in testing position(Front door locking device is in solution Lock position);
Fig. 3 is the stereogram of front door locking device in Fig. 1;
Fig. 4 be Fig. 3 in unlocking arm structural representation;
Fig. 5 is the structural representation of intermediate transmission arm in Fig. 3;
Fig. 6 is the variable condition figure of unlocking arm and intermediate transmission arm in breaker access switch cabinet from the front to the back in Fig. 3 (Dotted line represents that unlocking arm is located at positive avoid in stroke in figure);
Fig. 7 is that unlocking arm in Fig. 3 and intermediate transmission arm are moved to drive locking-unlocking mechanism solution from the front to the back in breaker The variable condition figure of lock(Dotted line represents that unlocking arm is introduced into the schematic diagram of reversely unblock stroke in figure);
Arrow show breaker moving direction in corresponding figure in figure.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Switch cubicle in the embodiment of switch cubicle provided by the utility model, the embodiment as shown in Figures 1 to 7, is wrapped Include cabinet 3 and front door 1, the hinge mounted of front door 1 at the front opening of cabinet 3, in addition to for front door carry out locking lock Determine device, locking device includes the lock 5 being arranged on cabinet front door 1 herein, lock 5 is specially the plate with latch hook structure, After front door is closed, lock 5 is moved into place, and coordinates the locking realized to front door by the block to latch hook structure stroke.
In cabinet be provided with fixed plate 7, locking device also include be arranged on fixed plate 7 on dead bolt 6, intermediate transmission arm 9 and Unlocking arm 11, dead bolt 6 herein be specially along the vertical direction guiding movement be assemblied in the limiting plate in fixed plate 7, dead bolt 6 is along upper Lower section is assemblied in fixed plate to moving back and forth, and the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock row Journey, dead bolt relied on its positive locking stroke the positive activity of elastic acting force that gravity and elastic mechanism apply with lock Latch hook correspondence hook coordinate, dead bolt its reversely unblock stroke on be used for by the breaker moved from back to front in switch cubicle Reverse activity is driven to be unlocked to be disengaged with the buckle structure on lock, for this case, dead bolt is moved down as positive activity, lock Tongue is moved up as reverse activity.
In fact, lock 5 latch hook structure towards the end on the inside of cabinet provided with tilt extend forwardly into top Pushing tow inclined-plane, when being closed at front door, the lock being moved rearwards by is regular upwards by dead bolt 6 using pushing tow inclined-plane, and lock is realized to facilitate The normal hook of tongue and lock coordinates.
In the present embodiment, provided with two sets of locking-unlocking mechanisms in fixed plate, often covering locking-unlocking mechanism is included together An intermediate transmission arm 9 and a unlocking arm 11 of the axle rolling assembling in fixed plate 7, both center of rotation axis are coaxial, In use, by the reciprocating rotation of intermediate transmission arm 9 to drive dead bolt moving back and forth in the vertical direction, so as to realize locking And unblock, intermediate transmission arm 9 has the drive division 91 that dead bolt reciprocating movement is driven during its reciprocating rotation, corresponding, Dead bolt 6 is provided with vertically extending guide chute 61, the insertion guide chute 61 of drive division 91 to cause dead bolt 6 with Between transmission arm drive division 91 formation crank block slider structure, facilitate intermediate transmission arm to be driven when rotating forward by drive division 91 Dead bolt 6 is movable on positive locking stroke, i.e., intermediate transmission arm drives dead bolt 6 to moving down when rotating forward using drive division 91 Move, facilitate intermediate transmission arm to drive the activity on reversely unblock stroke of dead bolt 6 by drive division 91 when rotating backward, i.e., it is middle Transmission arm is moved up when rotating backward using the driving dead bolt 6 of drive division 91.
In the present embodiment, for unlocking arm 11, the reciprocating rotation stroke of unlocking arm 11 includes the forward direction of swing backward Stroke and the reverse pushing tow stroke swung forward are avoided, unlocking arm 11 has facing forward be used for by entering from front to back in cabinet 3 The pushing tow of breaker 2 with force unlocking arm swing backward preceding pushing tow avoid face 111, unlocking arm 11 also have backwards be used for by The pushing tow of breaker 2 moved from back to front with force unlocking arm swing forward so that drive dead bolt 6 reversely unblock stroke move up Dynamic rear pushing tow solution locking face 112.
In fact, unlocking arm 11 is connected by one-way clutch transmission mechanism with intermediate transmission arm 9, one-way clutch herein is passed Motivation structure is when unlocking arm 11 is located on reverse pushing tow stroke in engagement state with reverse by unlocking arm driving intermediate transmission arm Rotate, one-way clutch transmission mechanism is in disengaged condition when unlocking arm 11 is located at positive avoid on stroke, in other words, in solution When hammerlock is on reverse pushing tow stroke, one-way clutch transmission mechanism is in engagement state, and the unlocking arm swung forward is in Between transmission arm rotate backward, intermediate transmission arm is then moved up by drive division 91 with dead bolt 6, realize unblock;In unlocking arm When avoiding in forward direction on stroke, one-way clutch transmission mechanism is in disengaged condition, and the unlocking arm of swing backward can not be in Between transmission arm rotated, so, be effectively reduced breaker entrance resistance.
One-way clutch transmission mechanism herein specifically includes the transmission top towards unlocking arm 11 that intermediate transmission arm 9 is provided with There is pushing surface 92, unlocking arm 11 pushing tow when unlocking arm is on reverse pushing tow stroke to be driven pushing tow face to drive intermediate transmission arm 9 rotate backward, avoid transmission pushing tow face 92 when unlocking arm 11 is in positive avoid on stroke to cause one-way clutch driver Structure is in the unidirectional pushing part 113 of disengaged condition, and the front end of unidirectional pushing part 113 has planar end surface 114, and rear end face then has circle Arc angle 115.
As shown in fig. 6, when breaker 2 is back into cabinet, the pushing tow unlocking arm 11 of breaker 2 force unlocking arm 11 to After swing, unlocking arm is rotated counterclockwise, and the arc chord angle of unidirectional pushing part 113 is swung up, due to the avoidance of arc chord angle so that single Transmission pushing tow face 92 from pushing tow intermediate transmission arm 9 to pushing part 113 that will not be on, intermediate transmission arm will not follow unlocking arm together to turn It is dynamic.
As shown in fig. 7, when breaker 2 is to when being forwardly toward front door movement, the pushing tow unlocking arm 11 of breaker 2 forces unblock Arm 11 is swung forward, i.e. clockwise direction in figure, the planar end surface 11 of unidirectional pushing part 113 be swung up and with intermediate transmission arm On transmission pushing tow face 92 pushing tow coordinate, now, intermediate transmission arm can follow unlocking arm together to rotate clockwise, in fact, this The rotation of place's intermediate transmission arm is to drive rotating backward for dead bolt unblock.
In fact, in the present embodiment, correspondence intermediate transmission arm 9 is provided with torsion spring 8, and torsion spring 8 is as elastic mechanism to centre Transmission arm 9, which applies, forces the elastic acting force that it is rotated forward, and for this case, torsion spring 8 causes the drive division of intermediate transmission arm 9 91 push dead bolt 6, that is to say, that in the present embodiment, and the elastic acting force that dead bolt elastic mechanism applies is with positive locking row It is movable in journey, realize the locking to front door.
In addition, in the present embodiment, front door locking device also includes being used for the rear pushing tow solution in breaker 2 and unlocking arm 11 The counter-rotational emergent unlocking structure of driving intermediate transmission arm 9 when locking face 112 departs from, the emergent unlocking structure is specially to wear shape to exist Trip lever 4 on cabinet 3, what trip lever 4 herein was oriented to is assemblied in the solution lockhole that cabinet 3 is provided with, tight when needing to carry out During anxious unblock, pressure trip lever 4 is pressed downwards to coordinate with the rear pushing tow of solution lock end 93 of intermediate transmission arm 9, intermediate transmission arm 9 can be driven Rotate backward, and then drive dead bolt 6 to be moved on reversely unblock stroke, realize emergency release.
Moreover, the lock on front door 1 includes the latch hook structure being folded upward at, the trailing flank of lock front end is provided with before being tilted towards The pushing tow inclined-plane 51 on top is extended to, before being turned off during door, lock 5 can realize the upward jack-up of dead bolt 6 lock and dead bolt 6 Normal hook coordinate.In addition, when lock is moved into place, lock 5 and the lower end support limit of fixed plate 7 prevent cabinet door The problem of arrisdefect.
In addition, be provided with the lower section of dead bolt 6 is used for the cross-brace plate section for supporting lock 5 in the present embodiment, in fixed plate 7 71, having towards one end inside cabinet for lock 5 is used to coordinate to lock with cross-brace plate section pushing tow when front door is closed Lead-in chamfered 52 above button guiding to cross-brace plate section.Because the hinge that front door is generally arranged using side realizes folding, Because front door is heavier, easily there is the problem of arrisdefect is moved down, utilize the cross-brace plate section 71 in fixed plate 7 and the guiding of lock The cooperation on inclined-plane 52, before being turned off during door, even there is the problem of arrisdefect is moved down in front door, and lead-in chamfered and transverse direction can also be used Lock, is lifted up, it is ensured that the normal switching-off at front door by the cooperation of supporting plate section using cross-brace plate section together with front door.
It should be noted that in specific design, can be by the cross-brace plate of fixed plate to reduce the resistance of closing the door at front door The position of section design more on the lower, does not occur in the case that arrisdefect moves down, as depicted in figs. 1 and 2, the guiding of lock is oblique at front door Face can not also be contacted with cross-brace plate section, only be existed at front door in the case that arrisdefect moves down, cross-brace plate section is just played Corresponding thrusting action.
In use, when needing handcart type breaker being fitted into switch cubicle, it is possible to use the top pressure intermediate transmission of trip lever 4 Arm 9 is rotated backward to realize unblock operation, opens front door 1, the breaker 2 of handcart-type is pushed into cabinet 3, now, breaker 2 The swing backward of pushing tow unlocking arm 11, because the one-way clutch transmission mechanism being arranged between unlocking arm 11 and intermediate transmission arm is only capable of Driving intermediate transmission arm 9 is rotated backward, so, intermediate transmission arm 9 will not cause any resistance to rotating forward for breaker Power, breaker 2 can be easily in access switch cabinet, also, after breaker 2 crosses unlocking arm 11, unlocking arm 11 is made in gravity With lower automatic swing to unlocked position is treated, herein treat unlocked position be vertical position, to treat the breaker moved from the front to the back Top pressure is unlocked.
Moreover, when breaker 2 moves past unlocking arm 11 towards operating position, in the torsion spring 8 as elastic mechanism In the presence of, the forward direction of intermediate transmission arm 9 forces dead bolt 6 to move down to hook cooperation with lock 5, to realize the lock to front door Only.
When breaker 2 from the front to the back when being moved by operating position towards testing position, pushing tow unlocking arm 11 is swung forward, The driving of unlocking arm 11 intermediate transmission arm 9 is rotated backward, and by intermediate transmission arm 9 drive limiting plate to move up with the lock on front door 5 disengage, and realize unblock operation.
When breaker needs emergency release in operating position, pressure trip lever 4 can be pressed, centre is driven by trip lever 4 Transmission arm is rotated backward, and unblock is realized to drive limiting plate to move up.
In the present embodiment, locking-unlocking mechanism includes unlocking arm, intermediate transmission arm and the limiting plate as dead bolt, at it In his embodiment, locking-unlocking mechanism can also include the L-type connecting lever of one, and L-type connecting lever has vertically extending indulge To connecting lever and the horizontal connecting lever that extends transversely, longitudinal connecting lever equivalent to unlocking arm, horizontal connecting lever equivalent to intermediate transmission arm and Dead bolt, dead bolt herein can be directly integrally disposed upon on horizontal connecting lever, and L-type connecting lever herein can be assembled back and forth along the vertical direction Two pushing tow inclined-planes can be set in cabinet, on longitudinal connecting lever, and utilize the self gravitation realization of L-type connecting lever to the lock at front door Only, when breaker is moved from the front to the back, breaker by corresponding pushing tow inclined-plane can pushing tow L-type connecting lever move up and kept away with realizing Allow, after breaker crosses L-type connecting lever, under gravity, L-type connecting lever fall to realize locking, when breaker from the front to the back When mobile, breaker can push away L-type connecting lever by corresponding pushing tow sloped roof and move up to realize unblock.
In the present embodiment, dead bolt is set with the split of intermediate transmission arm, in other embodiments, and dead bolt can also be with centre biography Swing arm is wholely set.
In the present embodiment, rely primarily on elastic mechanism driving intermediate transmission arm and rotate forward to carry out locking, in other realities Apply in example, the weight-driven intermediate transmission arm that can also only rely on locking-unlocking mechanism rotates forward to carry out locking, Huo Zheli Together drive intermediate transmission to rotate forward with gravity and elastic mechanism to force dead bolt to be on positive locking stroke.
The utility model also provides the front door locking dress in a kind of embodiment of front door of switch cabinet locking device, the embodiment The structure put is identical with the structure of the front door locking device in above-mentioned switch cubicle embodiment, will not be repeated here.

Claims (10)

1. a kind of front door of switch cabinet locking device, including for the lock being arranged on cabinet front door and for being arranged on switch cubicle In locking-unlocking mechanism, it is characterised in that:Locking-the unlocking mechanism includes being assemblied in switch cubicle for reciprocating movement Dead bolt, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, and dead bolt is in its positive locking stroke The positive activity of elastic acting force that upper dependence gravity and/or elastic mechanism apply hooks cooperation, dead bolt with corresponding with the lock Its reversely unblock stroke on be used for moved from back to front in switch cubicle breaker driving reverse activity with the lock Disengage unblock.
2. front door of switch cabinet locking device according to claim 1, it is characterised in that:Locking-the unlocking mechanism includes For unlocking arm of the rolling assembling in switch cubicle, the reciprocating rotation stroke of unlocking arm includes the positive of swing backward and avoids stroke The reverse pushing tow stroke swung forward, unlocking arm has facing forward be used for by the breaker top in access switch cabinet from front to back Push away to force the preceding pushing tow of unlocking arm swing backward to avoid face, unlocking arm is also with backwards for disconnected by what is moved from back to front Road device pushing tow is unlocked with the rear pushing tow for forcing unlocking arm to swing and then drive the dead bolt to be moved on reversely unblock stroke forward Face.
3. front door of switch cabinet locking device according to claim 2, it is characterised in that:Locking-the unlocking mechanism is also wrapped The intermediate transmission arm in switch cubicle for rolling assembling is included, intermediate transmission arm has the driving during its reciprocating rotation described The drive division of dead bolt reciprocating movement, intermediate transmission arm rotates forward to drive dead bolt in positive locking stroke by the drive division Upper activity, unlocking arm is connected by one-way clutch transmission mechanism with intermediate transmission arm, and intermediate transmission arm is rotated backward with by institute State drive division and drive dead bolt activity on reversely unblock stroke, one-way clutch transmission mechanism is located at reverse pushing tow in unlocking arm In engagement state to be rotated backward by unlocking arm driving intermediate transmission arm when on stroke, one-way clutch transmission mechanism is in unlocking arm Disengaged condition is in when being avoided positioned at forward direction on stroke.
4. front door of switch cabinet locking device according to claim 3, it is characterised in that:In the rotation of the intermediate transmission arm The center of rotation axis of heart axis and unlocking arm is coaxial, and the one-way clutch transmission mechanism is provided with including the intermediate transmission arm The direction unlocking arm transmission pushing tow face, the unlocking arm have unlocking arm be in reverse pushing tow stroke on when pushing tow pass Dynamic pushing tow face avoids the transmission pushing tow to drive intermediate transmission arm to rotate backward, when unlocking arm is in positive avoid on stroke Face with cause one-way clutch transmission mechanism be in disengaged condition unidirectional pushing part.
5. front door of switch cabinet locking device according to claim 3, it is characterised in that;Front door of switch cabinet locking device also includes For the rear pushing tow unblock emaciated face in breaker and the unlocking arm from when drive the counter-rotational emergency release of intermediate transmission arm Structure.
6. the front door of switch cabinet locking device according to claim 3 or 4 or 5, it is characterised in that:The dead bolt is for edge Above-below direction guiding movement is assemblied in the limiting plate in switch cubicle, the limiting plate provided with it is vertically extending and with it is described in Between transmission arm drive division inserting to cause the guiding of the drive division formation crank block slider structure of limiting plate and intermediate transmission arm to slide Groove.
7. provided with can be back into can move back in cabinet and from cabinet forward in a kind of switch cubicle, including cabinet and front door, cabinet The breaker gone out, switch cubicle also includes the locking device for being used to carry out front door locking, and locking device includes being arranged on front door Lock and locking-unlocking mechanism for being arranged in cabinet, it is characterised in that:Locking-the unlocking mechanism includes reciprocating movement The dead bolt in cabinet is assemblied in, the reciprocating movement stroke of dead bolt includes positive locking stroke and reversely unblock stroke, and dead bolt is at it Relied on positive locking stroke the positive activity of elastic acting force that gravity and/or elastic mechanism apply with the corresponding hook of the lock Hang and coordinate, dead bolt drives reverse activity with de- with the lock on its reversely unblock stroke by the breaker moved from back to front Unwind lock.
8. switch cubicle according to claim 7, it is characterised in that:Locking-the unlocking mechanism includes rolling assembling in cabinet Unlocking arm in body, the reciprocating rotation stroke of unlocking arm includes the positive reverse top for avoiding stroke and swinging forward of swing backward Carry out journey, there is unlocking arm the breaker pushing tow being used in back into cabinet facing forward to force unlocking arm swing backward Preceding pushing tow avoids face, and unlocking arm by the breaker pushing tow moved from back to front also with backwards for forcing unlocking arm forward The rear pushing tow solution locking face for swinging and then driving the dead bolt to be moved on reversely unblock stroke.
9. switch cubicle according to claim 8, it is characterised in that:Locking-the unlocking mechanism also exists including rolling assembling Intermediate transmission arm in cabinet, intermediate transmission arm has the driving that the dead bolt reciprocating movement is driven during its reciprocating rotation Portion, intermediate transmission arm rotates forward to drive dead bolt movable, intermediate transmission arm on positive locking stroke by the drive division Rotate backward to drive dead bolt activity on reversely unblock stroke by the drive division, unlocking arm is passed by one-way clutch Motivation structure is connected with intermediate transmission arm, and one-way clutch transmission mechanism is in joint shape when unlocking arm is located on reverse pushing tow stroke State by unlocking arm driving intermediate transmission arm to be rotated backward, and one-way clutch transmission mechanism is located at positive avoid on stroke in unlocking arm When be in disengaged condition.
10. the switch cubicle according to claim 7 or 8 or 9, it is characterised in that:Fixed plate, the lock are provided with the cabinet Only-unlocking mechanism is arranged in the fixed plate, and movement is assemblied in fixed plate to the dead bolt of locking-unlocking mechanism along the vertical direction On, being provided with fixed plate below the dead bolt is used for the cross-brace plate section for supporting the lock, the lock towards cabinet The one end in internal portion has for coordinating when front door is closed with cross-brace plate section pushing tow so that lock is guided to cross-brace Lead-in chamfered above plate section.
CN201720210789.2U 2017-03-06 2017-03-06 A kind of front door of switch cabinet locking device and the switch cubicle using the locking device Active CN206546978U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848900A (en) * 2017-03-06 2017-06-13 天津平高智能电气有限公司 Front door of switch cabinet locking device and the switch cubicle using the locking device
CN108552898A (en) * 2018-03-07 2018-09-21 合肥为先产品设计有限公司 A kind of concealed cup lid and the cup containing the cup lid
CN110323692A (en) * 2019-08-05 2019-10-11 上海西门子开关有限公司 The interlocking mechanism of switchgear and switchgear

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848900A (en) * 2017-03-06 2017-06-13 天津平高智能电气有限公司 Front door of switch cabinet locking device and the switch cubicle using the locking device
CN106848900B (en) * 2017-03-06 2019-03-08 天津平高智能电气有限公司 Front door of switch cabinet locking device and the switchgear for using the locking device
CN108552898A (en) * 2018-03-07 2018-09-21 合肥为先产品设计有限公司 A kind of concealed cup lid and the cup containing the cup lid
CN108552898B (en) * 2018-03-07 2023-12-22 合肥为先产品设计有限公司 Concealed cup cover and cup with same
CN110323692A (en) * 2019-08-05 2019-10-11 上海西门子开关有限公司 The interlocking mechanism of switchgear and switchgear
CN110323692B (en) * 2019-08-05 2020-09-15 上海西门子开关有限公司 Interlocking mechanism of switch cabinet and switch cabinet

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