CN207587658U - A kind of drawer type low-voltage circuit breaker - Google Patents
A kind of drawer type low-voltage circuit breaker Download PDFInfo
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- CN207587658U CN207587658U CN201721748962.0U CN201721748962U CN207587658U CN 207587658 U CN207587658 U CN 207587658U CN 201721748962 U CN201721748962 U CN 201721748962U CN 207587658 U CN207587658 U CN 207587658U
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Abstract
The utility model discloses a kind of low-voltage circuit breaker, including：Low-voltage circuit breaker drawer；Low-voltage circuit breaker housing, low-voltage circuit breaker housing are equipped with the accommodating chamber for accommodating low-voltage circuit breaker drawer；For the driving device that low-voltage circuit breaker drawer is driven to be moved along embedded or disengaging accommodating chamber direction；And for the low-voltage circuit breaker drawer, designated position to carry out screens or carries out the retaining structure discharged after screens on embedded or disengaging accommodating chamber direction.By using above-mentioned technical proposal, when low-voltage circuit breaker drawer moves to designated position along embedded or disengaging accommodating chamber direction, retaining structure can automatic screens, prevent driver that low-voltage circuit breaker drawer is driven to continue to move, it prevents low-voltage circuit breaker drawer from contradicting and squeezing with the component on low-voltage circuit breaker housing, the connection contact on low-voltage circuit breaker drawer is caused to be damaged when squeezing.
Description
Technical field
The utility model is related to a kind of switching device, more particularly to a kind of drawer type low-voltage circuit breaker.
Background technology
Low-voltage circuit breaker be it is a kind of can connect, carry or turn-off current circuit when circuit work normally, in circuit hair
Raw heavy overload or open circuit carry current loop and disconnect abnormal circuit automatically, to protect at the appointed time when abnormal conditions
Protect the switching device of the electrical appliance of connection.
Existing drawer type low-voltage circuit breaker includes：Low-voltage circuit breaker drawer and low-voltage circuit breaker housing, low-voltage circuit breaker
Drawer can be contained in the accommodating chamber on low-voltage circuit breaker housing, in use, can be driven by the driving device of helicitic texture
The insertion of low-voltage circuit breaker drawer or the accommodating chamber being detached from low-voltage circuit breaker housing, but existing driving device is in low-voltage circuit breaker
After drawer moves to designated position, still low-voltage circuit breaker drawer can be driven to continue to move.
When user of service's misoperation, it is low after low-voltage circuit breaker drawer reaches designated position still to operate driving device driving
Voltage breaker drawer continues to move so that low-voltage circuit breaker drawer is contradicted and squeezed with the component on low-voltage circuit breaker housing, is held
The connection contact easily caused on low-voltage circuit breaker drawer is damaged when squeezing.
Utility model content
The purpose of this utility model is to provide a kind of drawer type low-voltage circuit breaker, has and reduces on low-voltage circuit breaker drawer
The advantages of possibility that contact damages when being squeezed with low-voltage circuit breaker housing, safety is stronger.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of low-voltage circuit breaker, including：
Low-voltage circuit breaker drawer；
Low-voltage circuit breaker housing, low-voltage circuit breaker housing are equipped with the accommodating chamber for accommodating low-voltage circuit breaker drawer；
For the driving device that low-voltage circuit breaker drawer is driven to be moved along embedded or disengaging accommodating chamber direction；And
For to the low-voltage circuit breaker drawer it is embedded or be detached from designated position on the direction of accommodating chamber carry out screens or
Carry out the retaining structure discharged after screens.
By using above-mentioned technical proposal, when needing low-voltage circuit breaker drawer is embedded or be detached from low-voltage circuit breaker housing
When, operating personnel can use driving device driving low-voltage circuit breaker drawer to be moved along embedded or disengaging accommodating chamber direction, real
Existing low-voltage circuit breaker drawer is embedded or is detached from low-voltage circuit breaker housing；When low-voltage circuit breaker drawer along insertion or is detached from accommodating chamber
When direction moves to designated position, retaining structure can automatic screens, prevent driver drive low-voltage circuit breaker drawer after
Reforwarding is moved, and prevents low-voltage circuit breaker drawer from contradicting and squeezing with the component on low-voltage circuit breaker housing, low-voltage circuit breaker is caused to take out
Connection contact on drawer is damaged when squeezing.
The utility model is further arranged to：It is equipped in the accommodating chamber embedded or de- along the low-voltage circuit breaker drawer
From the sliding rail for accommodating cavity direction extension；And with sliding rail along it is embedded or be detached from it is that the direction of accommodating chamber is in sliding fit with, for holding
Carry the rack of the low-voltage circuit breaker drawer.
By using above-mentioned technical proposal, low-voltage circuit breaker drawer is convenient to by the cooperation of rack and sliding rail along sliding rail
Extending direction slides, and realizes the insertion of low-voltage circuit breaker drawer or is detached from accommodating chamber.
The utility model is further arranged to：The driving device includes：It is parallel to the screw of the sliding rail, is slidingly connected
And, the screw setting is parallel in the sliding block mutually assembled on the screw and with the low-voltage circuit breaker drawer on rack
And for the guide rail of sliding block slidingtype assembling.
By using above-mentioned technical proposal, it is convenient to operating personnel and sliding block is driven to be transported along screw extending direction using screw
It is dynamic, and the low-voltage circuit breaker drawer mutually assembled with sliding block is driven to be moved along screw extending direction.
The utility model is further arranged to：The clamping mechanism includes：
With the low-voltage circuit breaker housing along the connecting plate perpendicular to the assembling of screw extending direction slidingtype；
The screens arm being installed on connecting plate；
It is installed on screw, the screens tooth with screens arm cooperation time limit throwing bar around its axis rotation；
One end and the connecting plate are affixed, the other end and the affixed spring of low-voltage circuit breaker housing, to pass through the bullet of spring
Power drives connecting plate to be moved close to screw and screens arm is made to coordinate with screens tooth contact.
By using above-mentioned technical proposal, spring drives connecting plate to be slided along perpendicular to screw extending direction, makes connecting plate
It is moved close to screw, and then drives the nearly screw movement of screens arm rest, and screens arm is made to be contradicted with the screens tooth on screw and is coordinated, with
Screw is limited around its axis rotation, realizes the screens to driving device.
The utility model is further arranged to：Card adapter plate is also hinged on the connecting plate；
Fixed blocking being parallel to screw setting, being engaged by clamping with card adapter plate on the low-voltage circuit breaker housing
Arm, the card adapter plate can limit movement of the connecting plate close to screw direction when being clamped with stop arm；
The unlocking arm of stop arm extension is installed on sliding block, is parallel to, close to the card adapter plate on the unlocking arm
Side, be convexly equipped with several triangular bumps along unlocking arm extending direction so that the convex block under the drive of sliding block along screw
Extending direction moves and is acted on card adapter plate generation conflict and release the clamping between card adapter plate and stop arm.
By using above-mentioned technical proposal, limitation connecting plate is close to screw direction when card adapter plate is engaged by clamping with stop arm
Movement prevents screens arm from being contradicted with the screens tooth on screw and coordinates so that low-voltage circuit breaker drawer is not moving to designated position
When, it can be in the driving lower edge insertion of screw sliding block or the direction movement of disengaging accommodating chamber；When low-voltage circuit breaker drawer moves to
During designated position, triangular bump and card adapter plate on unlocking arm occur conflict and act on and release the card between card adapter plate and stop arm
It connects so that screens arm, which is moved close to screw under the action of spring force and contradicted with screens tooth, to be coordinated, and prevents screw around its axis
The heart rotates, and realizes in designated position to low-voltage circuit breaker drawer screens.
The utility model is further arranged to：The retaining structure further includes push rod and connecting rod, the push rod with it is described
It is vertically cut with scissors with the slideable assembling of screw extending direction, connecting rod and the low-voltage circuit breaker housing on low-voltage circuit breaker housing edge
It connects, connecting rod one end is assembled with push rod, and the other end offers the first kidney slot opened up along connecting rod extending direction, the connection
The first rotating shaft coordinated with the first kidney slot is installed on plate, push rod is made to drive connecting rod when moving under external force around its hinge
Contact rotates, and then card adapter plate edge is driven to be moved perpendicular to screw extending direction far from screw and releases screens arm and screens tooth
Clamping.
By using above-mentioned technical proposal, after retaining structure is to low-voltage circuit breaker drawer screens, if necessary to release card
Screens of the bit architecture to low-voltage circuit breaker drawer, operating personnel can push push rod, and push rod is made to drive connecting rod around its hinge joint
Rotation, and then card adapter plate is driven along the card for moving and releasing screens arm and screens tooth far from screw perpendicular to screw extending direction
It connects, realizes to the release after low-voltage circuit breaker drawer screens.
The utility model is further arranged to：The push rod is parallel to screw extension side with low-voltage circuit breaker housing edge
To slideable assembling, the connecting rod is middle part and the L-shaped bar of the low-voltage circuit breaker housing hinge, and the connecting rod is with pushing away
Extending direction of the one end of bar assembling along connecting rod at the end offers the second kidney slot, is installed on push rod and the second kidney slot
Second shaft of cooperation makes push rod hinged around it along drive connecting rod when screw extending direction moves is parallel under external force
Point rotation, and then card adapter plate edge is driven to move close to stop arm perpendicular to screw extending direction and be clamped with stop arm.
By using above-mentioned technical proposal, after retaining structure is to low-voltage circuit breaker drawer screens, if necessary to release card
Screens of the bit architecture to low-voltage circuit breaker drawer along screw extending direction pressing push rod is parallel to, drives connecting rod hinged around it
Point rotation, and then card adapter plate is driven along the card for moving and releasing screens arm and screens tooth far from screw perpendicular to screw extending direction
It connects, realizes to the release after low-voltage circuit breaker drawer screens；Release after screens is realized by pressing push rod, when pushrod movement, account for
Space is less, and is convenient to operating personnel's operation.
The utility model is further arranged to：The low-voltage circuit breaker drawer type low-voltage circuit breaker further includes rocking bar, described
Screw one end is provided with rectangular channel, and one end of the rocking bar is adapted to rectangular channel.
By using above-mentioned technical proposal, operating personnel can assemble the rectangular channel on rocking bar and screw, pass through rocking bar
Screw is driven to realize the work of driving device around its axis rotation, be convenient to operating personnel and operate driving device.
In conclusion the utility model has the advantages that：
1. low-voltage circuit breaker drawer is in sliding fit with sliding rail, operating personnel are by rotary screw rod, and band movable slider is along silk
Bar extending direction slides, and then drives the low-voltage circuit breaker drawer assembled with sliding block edge embedded or be detached from the direction of accommodating chamber and transport
It is dynamic, realize the driving to low-voltage circuit breaker；
2. positioner is provided on low-voltage circuit breaker housing, when low-voltage circuit breaker drawer is in embedded or disengaging accommodating chamber
Direction when moving to designated position, by the cooperation of screens tooth on screens arm and screw, realize to low-voltage circuit breaker drawer
Screens prevents it from continuing to move under the action of driving device, prevents on low-voltage circuit breaker drawer and low-voltage circuit breaker housing
Component is mutually contradicted and is squeezed, and the connection contact on low-voltage circuit breaker drawer may be caused to be damaged when squeezing；
3. user can push push rod, screens arm fixed on connecting plate is driven to be detached from screens tooth by connecting rod, released
Clamping of the retaining structure to low-voltage circuit breaker drawer is convenient to user and further low-voltage circuit breaker is driven to take out by driving device
Drawer.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the separate structure schematic diagram of the utility model embodiment；
Fig. 3 is the structure diagram of the low-voltage circuit breaker drawer of the utility model embodiment；
Fig. 4 is the structure diagram of the rocking bar of the utility model embodiment；
Fig. 5 is the driving device of the utility model embodiment and the structure diagram of retaining structure；
Fig. 6 is the enlarged drawing at the A of Fig. 5 of the utility model embodiment；
Fig. 7 is the guide plate of the utility model embodiment and the structure diagram of sliding slot.
Reference numeral：1st, low-voltage circuit breaker drawer；11st, card slot；2nd, low-voltage circuit breaker housing；21st, sliding rail；22nd, rack；
221st, joint tongue；222nd, link slot；23rd, accommodating chamber；24th, holding tank；25th, rocking bar；251st, tenon；252nd, connecting rod；26th, connection is touched
Head；3rd, driving device；31st, screw；311st, rectangular channel；32nd, sliding block；33rd, guide rail；4th, retaining structure；41st, connecting plate；42nd, screens
Arm；421st, screens tooth；43rd, card adapter plate；431st, card interface；44th, the first spring；441st, second spring；45th, stop arm；451st, it solves
Hammerlock；4511st, convex block；46th, guide plate；461st, sliding slot；47th, push rod；48th, connecting rod；481st, the first kidney slot；482nd, the second waist
Shape slot；483rd, first rotating shaft；484th, the second shaft.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
As depicted in figs. 1 and 2, a kind of drawer type low-voltage circuit breaker, including low-voltage circuit breaker drawer 1, low-voltage circuit breaker shell
Body 2, driving device 3 and retaining structure 4.Low-voltage circuit breaker drawer 1 and low-voltage circuit breaker housing 2 are cuboid, and low pressure is breaking
Device housing 2 is equipped with accommodating chamber 23, and for accommodating low-voltage circuit breaker drawer 1, low-voltage circuit breaker drawer 1 is placed in accommodating chamber 23
It is interior, with the 2 slideable assembling of low-voltage circuit breaker housing, it can be slided along embedded or disengaging accommodating chamber 23 direction, be convenient to operate
Low-voltage circuit breaker drawer 1 is moved to corresponding position and is checked, debugs, the work such as repairs by personnel.Driving device 3 and screens knot
Structure 4 is arranged on the lower section of low-voltage circuit breaker drawer 1, and driving device 3 is clamped with low-voltage circuit breaker drawer 1 so that operating personnel can
Low-voltage circuit breaker drawer 1 to be driven to be slided along embedded or disengaging accommodating chamber 23 direction by driving device 3, work as low-voltage circuit breaker
When drawer 1 moves upward to designated position in embedded or disengaging accommodating chamber 23 side, retaining structure 4 is to low-voltage circuit breaker drawer 1
Carry out screens.
With reference to shown in Fig. 3, on the one hand screens can prompt operating personnel's low-voltage circuit breaker drawer 1 to come into inspection, dimension
Repair or remaining work station, relevant work can be carried out, on the other hand, operating personnel can be prevented in low-voltage circuit breaker drawer
Still operating driving device 3 behind 1 arrival designated position drives low-voltage circuit breaker drawer 1 to continue to move so that low-voltage circuit breaker drawer 1
It mutually contradicts and squeezes with the component on low-voltage circuit breaker housing 2, the connection contact 26 on low-voltage circuit breaker drawer 1 may be caused
It is damaged when squeezing.It is moved if desired for driving low-voltage circuit breaker drawer 1 is continued, retaining structure 4 can be controlled manually, release screens
Screens of the structure 4 to low-voltage circuit breaker drawer 1 so that operating personnel can drive low-voltage circuit breaker drawer 1 by driving device 3
Continue to move.
As shown in Figures 2 and 3, sliding rail 21 and rack 22 are equipped in accommodating chamber 23, sliding rail 21 is taken out along low-voltage circuit breaker
Drawer 1 is embedded in or is detached from the extension of 23 direction of accommodating chamber, and rack 22 is slided with sliding rail 21 along embedded or disengaging accommodating chamber 23 direction
Formula coordinates, and is connected with joint tongue 221 on the side wall of low-voltage circuit breaker drawer 1, offers on rack 22 and coordinate with joint tongue 221
Link slot 222 so that low-voltage circuit breaker drawer 1 is engaged by clamping with rack 22 by joint tongue 221 and link slot 222, low
Voltage breaker drawer 1 in the insertion of 21 upper edge of sliding rail or can be detached from receiving together with lower in the drive of driving device 3 with rack 22
It slides in the direction of chamber 23.
As shown in Figure 1 and Figure 5, driving device 3 includes：Screw 31, sliding block 32 and guide rail 33.Screw 31 is parallel to sliding rail
21, sliding block 32 is movably set in screw 31 and is threadedly coupled with screw 31, and guide rail 33 is set along the extending direction for being parallel to screw 31
It puts, sliding block 32 is in sliding fit with guide rail 33, and with reference to shown in Fig. 1 and Fig. 3,1 bottom of low-voltage circuit breaker drawer offers and sliding block
The card slot 11 of 32 cooperations, sliding block 32 are embedded in card slot 11 and are engaged by clamping with low-voltage circuit breaker drawer 1.With reference to Fig. 4, low-voltage circuit breaker is taken out
Holding tank 24 is further opened on drawer 1, rocking bar 25 is placed in holding tank 24, rocking bar 25 is hingedly made of successively three connecting rods 252,
One end of screw 31 offers rectangular channel 311, and one end of rocking bar 25 is provided with the tenon 251 being adapted to rectangular channel 311.So that behaviour
Make personnel the tenon 251 on rocking bar 25 can be clamped with rectangular channel 311, connecting rod 48 around its hinge joint is turned to and is conveniently applied
The angle of power drives screw 31 to rotate, and then sliding block 32 is driven to be moved along the extending direction of screw 31 by rotating rocker 25, makes
Obtaining sliding block 32 drives low-voltage circuit breaker drawer 1 to be moved along embedded or disengaging accommodating chamber 23 direction, realizes driving device 3 to low pressure
The driving of breaker drawer 1.When without the use of rocking bar 25, connecting rod 252 around hinge joint is rotated, rocking bar 25 is made to become always
Bar is convenient to rocking bar 25 being placed in holding tank 24.
As shown in Figure 5 and Figure 6, retaining structure 4 includes connecting plate 41, screens arm 42, screens tooth 421, card adapter plate 43, first
Spring 44, stop arm 45 and unlocking arm 451.With reference to shown in Fig. 7,2 bottom of low-voltage circuit breaker housing is connected with guide plate 46, is oriented to
Offer sliding slot 461 on plate 46, connecting plate 41 and 461 slideable assembling of sliding slot so that connecting plate 41 can along sliding slot 461 to by
It being moved close or remote from the direction of screw 31, screens arm 42 is installed on connecting plate 41, and screens tooth 421 is fixed on screw 31, the
One spring 44 extends along perpendicular to 31 direction of screw, and one end and connecting plate 41 are affixed, and the other end is solid with low-voltage circuit breaker housing 2
It connects so that connecting plate 41 can move close to screw 31 under the drive of the elastic force of the first spring 44 and make screens arm 42 and screens tooth
421 are engaged, and screw 31 is prevented with reference to shown in Fig. 1, to realize the screens to low-voltage circuit breaker drawer 1 around its axis rotation.
With reference to shown in Fig. 7, card interface 431 is provided in card adapter plate 43, card adapter plate 43 is matched with the tipping of 45 cocker of stop arm, when
When card adapter plate 43 is assembled by card interface 431 and the clamping of stop arm 45, card adapter plate 43 limits connecting plate 41 close to 31 direction of screw
Movement so that screens arm 42 will not be engaged under the pulling force effect of the first spring 44 with screens tooth 421, at this time screens knot
Structure 4 is in release conditions, with reference to Fig. 1, low-voltage circuit breaker drawer 1 will not be prevented to be transported along embedded or disengaging accommodating chamber 23 direction
It is dynamic.
As shown in Figure 5 and Figure 6, stop arm 45 extends and is fixed in low-voltage circuit breaker shell along being parallel to 31 extending direction of screw
2 bottom of body, card adapter plate 43 are hinged on 41 side of connecting plate, and card adapter plate 43 can be around its hinge joint to close to stop arm 45 or far from resistance
The direction rotation of blocking arm 45, unlocking arm 451 set along the extending direction for being parallel to stop arm 45 and are fixed on sliding block 32, unlock
Arm 451 is along the height on 1 bottom surface direction of low-voltage circuit breaker drawer less than the height of stop arm 45 in this direction, unlock
The convex block 4511 of triangle is convexly equipped on arm 451, convex block 4511 is arranged on close to the side of card adapter plate 43 on unlocking arm 451, convex
Block 4511 is in the height on 1 bottom surface direction of low-voltage circuit breaker drawer not less than unlocking arm 451 and stop arm 45 in the party
Upward difference in height.When operating personnel drive sliding block 32 to move using driving device 3, unlocking arm 451 is under the drive of sliding block 32
It is moved along 31 extending direction of screw, when sliding block 32 moves to precalculated position, convex block 4511 and card adapter plate 43 on unlocking arm 451
Conflict effect occurs, card adapter plate 43 is made to be rotated around its hinge joint to the direction far from stop arm 45 and releases card adapter plate 43 and blocking
Clamping between arm 45, card adapter plate 43 release the limitation moved to connecting plate 41 close to 31 direction of screw so that solid on connecting plate 41
The screens arm 42 connect is engaged under the pulling force effect of the first spring 44 with screens tooth 421, and screw 31 is prevented to turn around its axle center
Dynamic, retaining structure 4 is in detent position at this time, with reference to Fig. 1, prevents low-voltage circuit breaker drawer 1 along embedded or disengaging accommodating chamber 23
Direction movement.
As shown in Figure 5 and Figure 6, retaining structure 4 further includes push rod 47, connecting rod 48 and second spring 441.Push rod 47 is along flat
Row runs through low-voltage circuit breaker housing 2 in 31 extending direction of screw, with the 2 slideable cooperation of low-voltage circuit breaker housing.Second spring
441 one end are fixed in the bottom of low-voltage circuit breaker housing 2, and the other end is fixed on connecting plate 41.Connecting rod 48 is L-shaped bar, even
Extension bar 48 is hinged with 2 bottom of low-voltage circuit breaker housing, and the both ends of connecting rod 48 offer the first kidney slot 481 and the second waist respectively
Shape slot 482, the first kidney slot 481 and the second kidney slot 482 are opened up along 48 extending direction of connecting rod at end where it, connecting plate
First rotating shaft 483 being adapted to the first kidney slot 481, being arranged in the first kidney slot 481,47 one end of push rod are installed on 41
It is installed with the second shaft 484 being adapted to the second kidney slot 482, being arranged in the second kidney slot 482.So that operating personnel push away
Dynamic push rod 47 drives connecting rod 48 hinged around it when 2 upper edge of low-voltage circuit breaker housing is parallel to 31 extending direction of screw and slides
Point rotation, and then card adapter plate 43 is driven to be moved close to screw 31, coordinate when card adapter plate 43 moves to card interface 431 with stop arm 45
Position when, card adapter plate 43 under the action of 441 elastic force of second spring around its hinge joint to close to stop arm 45 direction rotate,
And realize the clamping of card adapter plate 43 and stop arm 45, clamping structure is changed into release conditions from detent position, with reference to Fig. 1, side
Personnel easy to operation drive low-voltage circuit breaker drawer 1 to be moved along embedded or disengaging accommodating chamber 23 direction using driving device 3.
The course of work is summarized：When using drawer type low-voltage circuit breaker, low-voltage circuit breaker drawer 1 is first placed on rack
On 22, the clamping of low-voltage circuit breaker drawer 1 and rack 22 is realized by the cooperation of joint tongue 221 and link slot 222.Work as needs
When the direction of control low-voltage circuit breaker drawer 1 along insertion or disengaging accommodating chamber 23 moves to designated position, by the tenon on rocking bar 25
First 251 assemble with the rectangular channel 311 on screw 31, and rocking bar 25 around its hinge joint is turned to the angle for facilitating force, is rotated further by
Rocking bar 25 drives screw 31 to have mercy on its axis rotation, and then is moved with movable slider 32 along 31 extending direction of screw so that with sliding block 32
The low-voltage circuit breaker drawer 1 of clamping is moved along embedded or disengaging accommodating chamber 23 direction.
Unlocking arm 451 moves under the drive of sliding block 32 along 31 extending direction of screw, when low-voltage circuit breaker drawer 1 moves to
During designated position, with card adapter plate 43 conflict effect occurs for convex block 4511 on unlocking arm 451, make card adapter plate 43 around its hinge joint to
Direction far from stop arm 45 rotates and releases the clamping between card adapter plate 43 and stop arm 45, and card adapter plate 43 is released to connecting plate
41 limitations moved close to 31 direction of screw so that affixed screens arm 42 is in the pulling force effect of the first spring 44 on connecting plate 41
Lower to be engaged with screens tooth 421, prevention screw 31 is in detent position around its axis rotation, at this time retaining structure 4, prevents low
Voltage breaker drawer 1 is moved along embedded or disengaging accommodating chamber 23 direction, realizes that low-voltage circuit breaker drawer 1 holds along embedded or disengaging
Receiving the direction of chamber 23 moves to designated position.
When needing to discharge screens of the clamping structure to low-voltage circuit breaker drawer 1, push rod 47 is pushed in low-voltage circuit breaker shell
2 upper edge of body is parallel to the slip of 31 extending direction of screw, and connecting rod 48 is driven to be rotated around its hinge joint, and then card adapter plate 43 is driven to lean on
Nearly screw 31 moves, and when card adapter plate 43 moves to the position that card interface 431 coordinates with stop arm 45, card adapter plate 43 is in the second bullet
It is rotated, and realize card adapter plate 43 and stop arm 45 to close to the direction of stop arm 45 around its hinge joint under the action of 441 elastic force of spring
Clamping, clamping structure is changed into release conditions from detent position, realizes screens of the clamping structure to low-voltage circuit breaker drawer 1
Release.
Claims (8)
1. a kind of low-voltage circuit breaker, which is characterized in that including：
Low-voltage circuit breaker drawer (1)；
Low-voltage circuit breaker housing (2), low-voltage circuit breaker housing (2) are equipped with the receiving for accommodating low-voltage circuit breaker drawer (1)
Chamber (23)；
For driving driving device (3) of the low-voltage circuit breaker drawer (1) along direction movement that is embedded or being detached from accommodating chamber (23)；With
And
For carrying out screens in designated position on embedded or disengaging accommodating chamber (23) direction to the low-voltage circuit breaker drawer (1)
Or carry out the retaining structure (4) discharged after screens.
2. drawer type low-voltage circuit breaker according to claim 1, it is characterised in that：Edge is equipped in the accommodating chamber (23)
The low-voltage circuit breaker drawer (1) is embedded or is detached from the sliding rail (21) of accommodating chamber (23) direction extension；And with sliding rail (21) edge
Rack that direction that is embedded or being detached from accommodating chamber (23) is in sliding fit with, for carrying the low-voltage circuit breaker drawer (1)
(22)。
3. drawer type low-voltage circuit breaker according to claim 2, it is characterised in that：The driving device (3) includes：It is parallel
Screw (31) in the sliding rail (21), be movably set on the screw (31) and with the low-voltage circuit breaker on rack (22)
Sliding block (32) that drawer (1) mutually assembles and, be parallel to the screw (31) setting and assembled for the sliding block (32) slidingtype
Guide rail (33).
4. drawer type low-voltage circuit breaker according to claim 3, it is characterised in that：The clamping mechanism includes：
With the low-voltage circuit breaker housing (2) along the connecting plate (41) perpendicular to the assembling of screw (31) extending direction slidingtype；
The screens arm (42) being installed on connecting plate (41)；
It is installed on screw (31), the screens tooth (421) with screens arm (42) cooperation time limit throwing bar (31) around its axis rotation；
One end and the connecting plate (41) are affixed, the other end and the affixed spring of low-voltage circuit breaker housing (2), to pass through spring
Elastic force drives connecting plate (41) to be moved close to screw (31) and screens arm (42) is made to be engaged with screens tooth (421).
5. drawer type low-voltage circuit breaker according to claim 4, it is characterised in that：It is also hinged on the connecting plate (41)
Card adapter plate (43)；
On the low-voltage circuit breaker housing (2) it is fixed be parallel to screw (31) setting, can be engaged by clamping with card adapter plate (43)
Stop arm (45), the card adapter plate (43) and stop arm (45) can limit connecting plate (41) close to screw (31) direction when being clamped
Movement；
The unlocking arm (451) of the stop arm (45) extension is installed on sliding block (32), is parallel to, on the unlocking arm (451)
Close to the side of the card adapter plate (43), several triangular bumps (4511) are convexly equipped with along unlocking arm (451) extending direction, so that
The convex block (4511) moves along screw (31) extending direction under the drive of sliding block (32) and occurs with the card adapter plate (43)
Conflict acts on and releases the clamping between card adapter plate (43) and stop arm (45).
6. drawer type low-voltage circuit breaker according to claim 5, it is characterised in that：The retaining structure (4), which further includes, to push away
Bar (47) and connecting rod (48), the push rod (47) and the low-voltage circuit breaker housing (2) are along vertical with screw (31) extension side
To slideable assembling, connecting rod (48) is hinged with the low-voltage circuit breaker housing (2), connecting rod (48) one end and push rod (47)
Assembling, the other end offer the first kidney slot (481) opened up along connecting rod (48) extending direction, consolidate on the connecting plate (41)
Equipped with the first rotating shaft (483) coordinated with the first kidney slot (481), push rod (47) is made to drive connection when moving under external force
Bar (48) is rotated around its hinge joint, and then card adapter plate (43) is driven to be transported along perpendicular to screw (31) extending direction far from screw (31)
Move and release the clamping of screens arm (42) and screens tooth (421).
7. drawer type low-voltage circuit breaker according to claim 6, it is characterised in that：The push rod (47) is broken with the low pressure
Road device housing (2) along being parallel to the slideable assembling of screw (31) extending direction, the connecting rod (48) for middle part with it is described low
The hinged L-shaped bar of voltage breaker housing (2), one end that the connecting rod (48) is assembled with push rod (47) is along connecting rod (48) at this
The extending direction at end offers the second kidney slot (482), and second coordinated with the second kidney slot (482) is installed on push rod (47)
Shaft (484) makes push rod (47) under external force along drive connecting rod (48) when being parallel to the movement of screw (31) extending direction
It is rotated around its hinge joint, and then card adapter plate (43) is driven to be moved simultaneously close to stop arm (45) along perpendicular to screw (31) extending direction
It is clamped with stop arm (45).
8. drawer type low-voltage circuit breaker according to claim 7, it is characterised in that：The drawer type low-voltage circuit breaker also wraps
Rocking bar (25) is included, described screw (31) one end is provided with rectangular channel (311), one end and the rectangular channel (311) of the rocking bar (25)
Adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748962.0U CN207587658U (en) | 2017-12-14 | 2017-12-14 | A kind of drawer type low-voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114582678A (en) * | 2022-04-29 | 2022-06-03 | 南京上全机电有限公司 | Intelligent universal circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114582678A (en) * | 2022-04-29 | 2022-06-03 | 南京上全机电有限公司 | Intelligent universal circuit breaker |
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