CN109713602A - The drawer chassis of breaker - Google Patents
The drawer chassis of breaker Download PDFInfo
- Publication number
- CN109713602A CN109713602A CN201711020986.9A CN201711020986A CN109713602A CN 109713602 A CN109713602 A CN 109713602A CN 201711020986 A CN201711020986 A CN 201711020986A CN 109713602 A CN109713602 A CN 109713602A
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- plate
- drawer chassis
- breaker
- towing plate
- protrusion roller
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Abstract
A kind of drawer chassis of breaker, the rotating assembly including rotation setting, be mounted on the inside of drawer chassis and can opposite drawer chassis sliding guide plate, breaker body be put into after drawer chassis with guide plate synchronizing moving, rotating assembly includes towing plate；Or the rotating assembly including rotation setting, rotating assembly directly drives breaker body mobile, rotating assembly includes towing plate, it is characterized by: having traction grooved on the towing plate and pushing curved section, the guide plate is equipped with the first protrusion roller and the second protrusion roller with guide plate synchronizing moving；It during breaker body exits drawer chassis, first pushes the second protrusion roller mobile by pushing curved section, then pushes the first protrusion roller mobile by traction grooved.Towing plate can be made smaller, to meet the trend of breaker miniaturization.
Description
Technical field
The invention belongs to low voltage electrical apparatus technology fields, and in particular to a kind of drawer chassis 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, and breaker body is in drawer chassis
It is interior to promote or extract out.In actual use, the transmission of drawer chassis is same often through a roller for drawout breaker
Guide plate curve fitting, which is realized, to be promoted, but progradation stress is complicated and load is larger, and the two stress condition is poor, and the structure accounts for
It is larger according to space.While the stop in order to realize link position, need to increase additional limit stop.Above-mentioned a series of problems makes
Obtaining existing drawer chassis, structure is complicated, does not meet the demand of save the cost and miniaturization.
As shown in Figure 1, being a kind of existing drawer holder structure of breaker, drawer chassis 1 includes bottom plate 11, and bottom plate 11 is one
Sheet metal component.Planker 13 is provided on bottom plate 11,13 opposed bottom 11 of planker moves forward and backward.One screw rod is equally placed in bottom plate 11
On, and drive planker 13 to be moved forward and backward by the rotation of itself.Rotating assembly 14 is driven to rotate after planker 13 is mobile, shaft group
Part 14 drives breaker body mobile.Rotating assembly 14 includes shaft 141, gear piece 142 and towing plate 143, the gear piece 142
It is each attached in shaft 141 with towing plate 143, common, a pair of of towing plate 143 is located at the both ends of shaft 141, and a pair of of gear piece
142 are located at the middle part of shaft 141.The drawer chassis 1 further includes guide plate 15, is fixed with roller 151 on the guide plate 15,
In the moving process of breaker body, the roller 151 is respectively positioned in the traction grooved 1431 on towing plate 143, in order to guarantee
The stroke of breaker body, the traction grooved 1431 answer long enough to meet needs, at this point, the towing plate 143 is also answered
It is sufficiently large, to meet the requirement of traction grooved 1431.Such setting is unfavorable for open circuit so that can not reduce the size of towing plate 143
The miniaturization of device, meanwhile, the traction grooved 1431 of long length is but also the manufacturing cost of towing plate 143 is higher.
In view of above-mentioned there are problem, industry needs one kind that can effectively reduce the drawer chassis of 143 size of towing plate to adapt to
The demand of miniaturization.For this purpose, the applicant has made actively effectively to explore, technical side described below is formd finally
Case.
Summary of the invention
The invention aims to provide a kind of drawer chassis of breaker, the size of towing plate can be effectively reduced, is fitted
The demand for answering breaker to minimize.
The purpose of the present invention is in this way to reach, a kind of drawer chassis of breaker, the rotating assembly including rotation setting,
The guide plate that is mounted on the inside of drawer chassis and can slide with respect to drawer chassis, breaker body are put into shifting synchronous with guide plate after drawer chassis
Dynamic, rotating assembly includes towing plate, has traction grooved on the towing plate and pushes curved section, the guide plate be equipped with
The the first protrusion roller and the second protrusion roller of guide plate synchronizing moving；During breaker body exits drawer chassis, first by
Pushing curved section pushes the second protrusion roller mobile, then pushes the first protrusion roller mobile by traction grooved.
In a specific embodiment of the invention, upper along fixing groove is above additionally provided with, described consolidates the guide plate
Determine slot and is put into rear and breaker body fixation on the guide plate of two sides for breaker body.
A kind of drawer chassis of breaker, the rotating assembly including rotation setting, rotating assembly directly drive breaker body
Mobile, rotating assembly includes towing plate, has traction grooved on the towing plate and pushes curved section, the breaker body
It is equipped with the first protrusion roller and the second protrusion roller with breaker body synchronizing moving；Drawer chassis is exited in breaker body
During, first push the second protrusion roller mobile by pushing curved section, then push the first protrusion roller mobile by traction grooved.
In a specific embodiment of the invention, drawer chassis further includes bottom plate, screw rod, planker and both side plate, screw rod
It is mounted on bottom plate top, bottom plate with planker to be fixedly connected with both side plate, rotating assembly is rotatably arranged between both side plate, and screw rod turns
It is dynamic to drive planker mobile, and planker it is mobile after drive rotating assembly rotation, the rotating assembly further includes shaft and gear piece, one
The both ends of shaft are fixed on to towing plate, a pair of of gear piece is fixed in shaft and is located between a pair of of towing plate.
In another specific embodiment of the invention, the planker includes horizontal part and vertical component effect, the water
Flat portion is fitted on the inner surface of bottom plate, and the vertical component effect is equipped with side by side on horizontal part perpendicular to the inner surface of bottom plate
Spaced perforation, is equipped with threaded hole on vertical component effect, and threaded hole is used to cooperate with screw rod.
In another specific embodiment of the invention, the drawer chassis further includes fixed plate, the fixed plate
It is mounted on bottom plate, there is a circular through hole thereon, a bearing is installed in circular through hole, and screw rod is closely pasted with the bearing
It closes.
In a specific embodiment in turn of the invention, the towing plate includes the first towing plate and the second traction
Plate, the traction grooved are placed on the first towing plate, and the first towing plate and the first protrusion roller cooperate；And it pushes curved section and is placed in
On second towing plate, the second towing plate and the second protrusion roller cooperate.
In a still more specific embodiment of the invention, the traction grooved is groove, is had positioned at two sides
Draw groove sidewall and the traction groove bottom positioned at bottom.
Of the invention again and then in a specific embodiment, the traction groove sidewall is connected with traction groove bottom
Place is equipped with knuckle, and the joining place in traction groove sidewall and towing plate outer also is provided with knuckle.
In an of the invention and then specific embodiment, the first protrusion roller and the second protrusion roller water
Flat interval setting.
The present invention with the above structure, due to using two sections of drivings during breaker body exits drawer chassis
Process, it is the cooperation of traction grooved and the first protrusion roller that first segment, which drives process, and the first protrusion roller is driven by traction grooved
It is mobile, the final movement for driving breaker body；Second segment driving process is to push the cooperation of curved section and the second protrusion roller,
The movement of the second protrusion roller is driven by pushing curved section, the final movement for driving breaker body.Such two sections of drivings
Process, so that need to only meet the range demands of part for traction grooved, traction grooved is reduced, and final towing plate can be made small
It is some, to meet the trend of breaker miniaturization.
Detailed description of the invention
Fig. 1 is a kind of existing circuit breaker drawer base schematic diagram.
Fig. 2 is circuit breaker drawer base schematic diagram in the present invention.
Fig. 3 is the drawer chassis schematic internal view of breaker of the present invention.
Fig. 4 is the structural schematic diagram of rotating assembly of the present invention.
Fig. 5 is schematic diagram of the drawer chassis in " separation " position of breaker of the present invention.
Fig. 6 is schematic diagram of the drawer chassis in " test " position of breaker of the present invention.
Fig. 7 is schematic diagram of the drawer chassis in " connection " position of breaker of the present invention.
Fig. 8 is traction of the drawer chassis of breaker of the present invention in " connection " position into " test " position motion process
The schematic diagram that plate pushes the second protrusion roller mobile.
Fig. 9 be breaker of the present invention drawer chassis " connection " position into " test " position motion process first
Schematic diagram when protrusion roller and towing plate just contact.
Figure 10 is three positions locking structure schematic diagram of the present invention.
Figure 11 is three positions locking structure explosive view of the present invention.
Figure 12 is the cooperation schematic diagram of drawer chassis external shell of the present invention and indicator and unlock piece.
Figure 13 is locking piece schematic diagram of the present invention.
Figure 14 is unlock piece schematic diagram of the present invention.
Figure 15 is that lockplate of the present invention and screw rod cooperate schematic diagram.
Figure 16 is three a kind of status diagrams of position locking structure of the invention.
Figure 17 is three position locking structure another kind status diagrams of the invention.
Figure 18 is another status diagram of three position locking structure of the invention.
Figure 19 is the cooperation schematic diagram of drawer chassis and breaker body in the present invention.
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.
Breaker of the present invention, specially open frame circuit breaker.Breaker includes breaker body and drawer chassis, is broken
Road device ontology passes in and out drawer chassis, and the breaker and drawer chassis have several location status, respectively " connects " position, " examination
Test " position, " separation " position.Three above-mentioned positions, are moved to designated position in drawer chassis by breaker body and are generated.
And when taking out breaker body out of drawer chassis, there is also " disengagement " positions for the two.
Fig. 2 is the partial sectional view of drawer chassis, and Fig. 3 is the part-structure stereogram exploded view of drawer chassis.It can be with from two figures
Find out, drawer chassis 1 includes both side plate and bottom plate 11, is mounted on screw rod 12, the planker 13, rotating assembly 14 of 11 top of bottom plate, peace
On both side plate and can opposite sides plate sliding guide plate 15.Bottom plate 11 is fixedly connected with both side plate, and rotating assembly 14 rotates
It is arranged between both side plate, the rotation of screw rod 12 drives planker 13 mobile, and drives rotating assembly 14 to rotate after the movement of planker 13.
The bottom plate 11 is metal plate, and machine-shaping and the shape by the way that metal plate metal plate to be bent into needs.?
The two sides of bottom plate 11 are equipped with the flange and mounting hole being fixedly connected with both side plate.
The sliding of planker 13 is fitted on bottom plate 11, and the planker 13 includes horizontal part 131 and vertical component effect 132.Specifically,
Horizontal part 131 is fitted on the inner surface of bottom plate 11, and vertical component effect 132 is perpendicular to the inner surface of bottom plate 11, vertical component effect 132 be from
Made of the vertical bending in the side of horizontal part 131.The perforation 1311 of spacing side by side setting is equipped on horizontal part 131.Usual institute
The perforation 1311 stated is rectangle perforation, and is arranged symmetrically in two rows.And threaded hole is equipped on vertical component effect 132, threaded hole
For cooperating with screw rod 12.
Screw rod 12 is a circular shaft with thread segment, and screw rod 12 penetrates the threaded hole of vertical component effect 132, and the two realizes that screw thread is matched
It closes.And in order to which screw rod 12 has higher stability during rotation.The bottom driving structure 1 further includes fixed plate 4,
The fixed plate 4 is mounted on bottom plate 11.Fixed plate 4 is a metal plate, has a circular through hole, peace in circular through hole thereon
Equipped with a bearing, and screw rod 12 is fitted closely with the bearing.
It is specifically shown in Fig. 4, rotating assembly 14 includes shaft 141, gear piece 142 and towing plate 143.The shaft 141 is one
Metal circular shaft.It is fixed with a pair of of gear piece 142 and a pair of of towing plate 143 thereon.Gear piece 142 is fan-shaped, on the covering of the fan of gear piece 142
With engaging tooth 1421.The engaging tooth 1421 engages cooperation with the perforation 1311 on planker 13, and on a pair of of gear piece 142
Engaging tooth 1421 engages cooperation with two rows of perforations 1311 respectively.
See that Fig. 4 to 9, the towing plate 143 are core of the invention part, the outer shape of towing plate 143 obtains excellent
Change is core of the invention technological means.The towing plate 143 is similarly a pair of of metal plate, is sheet or plate.It is a pair of
Towing plate 143 is mounted on the both ends of shaft 141, generallys use the mode that is welded and fixed to realize the installation of towing plate 143.It is described
The shape of a pair of of towing plate 143 be consistent, that is to say, that when a pair of of towing plate 143 is installed to the both ends of shaft 141, institute
A pair of of the towing plate 143 stated is symmetrical.Towing plate mounting hole is offered on the towing plate 143, when the end of shaft 141
It penetrates after towing plate mounting hole and being reliably fixed for towing plate 143 is able to achieve by welding.It is additionally provided on the towing plate 143
Traction grooved 1431, pushes curved section 1433, the second arc section 1434, above-mentioned traction grooved 1431, first at first arc section 1432
Arc section 1432, pushing curved section 1433, the second arc section 1434 are the construction on 143 outer of towing plate.Traction grooved 1431
For groove, there is the traction groove bottom 14312 positioned at the traction groove sidewall 14311 of two sides and positioned at bottom, the traction
Groove sidewall 14311 and traction groove bottom 14312 form round pool shape construction.I.e. the traction grooved 1431 is in round pool shape.Traction
The joining place of groove sidewall 14311 and traction groove bottom 14312 is equipped with knuckle, in traction groove sidewall 14311 and towing plate 143
The joining place of outer also is provided with knuckle.First arc section 1432 is located at the side with traction grooved 1431, i.e. the first arc section
1432 is adjacent with traction grooved 1431, and pushes curved section 1433 is located at separate traction grooved 1431 on the first arc section 1432 one
Side, and push mutually being connected for curved section 1433 and the second arc section 1434.First arc section 1432 and the second arc section
1434 be using the center of rotation of towing plate 143 as the circular arc of arc core.
The guide plate 15 is a pair, is slidably arranged in two insides of both side plate, and the guide plate 15 is equipped with sliding groove
155, the sliding groove 155 is used for being slidably matched between guide plate 15 and side plate, is specially equipped with sliding in the inside of side plate
Protrusion, the slide protrusion are embedded into sliding groove 155, and the slide protrusion is two pieces, to ensure that guide plate
Slip cooperating relationship between 15 and side plate prevents the overturning in sliding of guide plate 15.The guide plate 15 is on side plate
One side be equipped with the first protrusion roller 151 and the second protrusion roller 152, the first protrusion roller 151 and the second protrusion roller
152 be rounded rollers, and preferred first protrusion roller 151 and the second protrusion roller 152 are equipped with axle sleeve.Wherein the second protrusion
Roller 152 is close to the opening of drawer chassis, and the first protrusion roller 151 is then far from the opening of drawer chassis.More preferably, institute
The the first protrusion roller 151 stated and the second protrusion roller 152 are horizontally spaced about.First protrusion roller 151 and the rolling of the second protrusion
Son 152 cooperates with towing plate 143.More specifically, the first protrusion roller 151 during the motion respectively with traction grooved
1431, the first arc section 1432 cooperates.Second protrusion roller 152 during the motion respectively with push curved section 1433, second
Arc section 1434 cooperates.Along fixing groove 154 is additionally provided on the guide plate 15, the fixing groove 154 is used for breaker body 2
It is connected and fixed after being put on the guide plate 15 of two sides with breaker body 2, i.e. the two sides of breaker body 2 are embedded into fixing groove 154
It is interior, connection is connected and fixed between breaker body 2 and guide plate 15 to realize.
The first protrusion roller 151, the second protrusion roller 152 are located on the guide plate 15 in above scheme, first
Protrusion roller 151 and the second protrusion roller 152 can be and be rotatably arranged on guide plate 15, be also possible to be fixed at guide plate 15
On, that is to say, that the installation center of the first protrusion roller 151 and the second protrusion roller 152 and guide plate 15 are the passes moved synchronously
System.If without guide plate 15 on circuit breaker drawer base 1, and directly driving breaker body 2 mobile by rotating assembly 14, such premise
Under, the first protrusion roller 151 and the second protrusion roller 152 are directly arranged on breaker body 2, certainly equally can be with
For rotation setting or fixed setting.
If Fig. 5 to Fig. 9, Figure 19 is the different phase during the entire process of guide plate 15 and the cooperation of towing plate 143.Following direction
Property description be subject to Fig. 5 to Fig. 9.
It when breaker body 2 is placed in drawer chassis 1, and inwardly pushes after breaker body 2 moves inwardly to position, is in
" separation " position.It is " separation " position view such as Fig. 5.The first protrusion roller 151 touches traction grooved 1431 at this time, specifically
, touch the traction groove sidewall 14311 of 1431 side of traction grooved.It is described when manually or electrically driving screw rod 12 rotates
Screw rod 12 drives planker 13 to be moved to the left, thus the engaging due to the perforation 1311 on the horizontal part 131 with planker 13 of gear piece 142
Relationship and be followed by and rotate clockwise, thus since gear piece 142 and towing plate 143 are each attached in shaft 141, to lead
Corbel back slab 143 also rotates, and rotation direction is clockwise.Traction grooved 1431 stirs the first protrusion roller 151 sidesway to the right
It is dynamic, specifically: the traction groove sidewall 14311 of 1431 other side of traction grooved is stirred the first protrusion roller 151 and is moved to the right.That is band
It is mobile the right side into Fig. 6 of guide plate 15 has been moved.
By manpower or it is driven by electricity the rotation of screw rod 12 in above-mentioned " separation " position, screw rod 12 drives planker 13 further
It moves to the left, so that also due to above-mentioned meshing relation, the gear piece 142, which is followed by, to be rotated clockwise, thus
Towing plate 143 also rotates clockwise.And entering the state of such as Fig. 6, the state of Fig. 6 instruction is " test " location status.This
When, the first protrusion roller 151 is located in traction grooved 1431.
Described " test " position continue through manpower or be driven by electricity screw rod 12 rotate, screw rod 12 drive planker 13 into
One step moves to the left, thus also due to above-mentioned meshing relation, the gear piece 142, which is followed by, to be rotated clockwise,
Thus towing plate 143 also rotates clockwise.And entering the state of such as Fig. 7, the state of Fig. 7 instruction is " connection " position shape
State.At this point, the first protrusion roller 151 leaves traction grooved 1431, it is placed on the first arc section 1432, and the second protrusion roller
152 are in contact with the outer rim of towing plate 143, and specially the second protrusion roller 152 touches the second circular arc on towing plate 143
Section 1434.
It continues through manpower in described " connection " position or is driven by electricity screw rod 12 and rotate backward, this reversely means
Refer to, the rotation direction of screw rod 12 is opposite with the rotation direction of screw rod 12 during above-mentioned three.Screw rod 12 drives planker 13
It moves to the right, so that also due to above-mentioned meshing relation, the gear piece 142, which is followed by, to be rotated counterclockwise, thus
Towing plate 143 also rotates counterclockwise.After towing plate 143 rotates counterclockwise, the pushing curved section 1433 on towing plate 143 is pushed away
Dynamic second protrusion roller 152 moves to the left, so that guide plate 15 be driven integrally to move to the left.To drive breaker body 2
Far from drawer chassis 1, and enter the state of Fig. 8.Continue to rotate backward the state for entering Fig. 9 after screw rod 12 in the state of Fig. 8, at this time
Second protrusion roller 152, which leaves, pushes curved section 1433, and the first protrusion roller 151 drops into traction grooved 1431.
From above-mentioned movement relation it can be concluded that, the present invention in due to during breaker body 2 exits drawer chassis 1
Using two sections of driving processes, it is the cooperation of traction grooved 1431 and the first protrusion roller 151 that first segment, which drives process, by traction grooved
1431 drive the movement of the first protrusion roller 151, the final movement for driving breaker body 2.Second segment driving process is to push away
It buckles the cooperation of line segment 1433 and the second protrusion roller 152, the shifting of the second protrusion roller 152 is driven by pushing curved section 1433
It is dynamic, the final movement for driving breaker body 2.The process of such two sections of drivings, so that meeting portion for 1431 need of traction grooved
The range demands divided, traction grooved 1431 are reduced, and final towing plate 143 can be made smaller, small-sized to meet breaker
The trend of change.Why two strokes are only divided into the stroke that breaker body exits drawer chassis in above-mentioned engagement process,
It is because the center of rotation of shaft 141 is located at the side at the midpoint of the entire stroke of the first protrusion roller 151, is not lean-with
It sets, therefore the demand of the two sides of traction grooved 1431 traction groove sidewall 14311 is different.Above-mentioned scheme can just be generated.
Certainly, the towing plate 143 in another embodiment positioned at every side is two pieces, and the towing plate 143 of every side wraps
The first towing plate and the second towing plate are included, i.e., entire drawer chassis includes two piece of first towing plate and two piece of second towing plate.Such as
Traction grooved 1431 and the first arc section 1432 are set on the first towing plate, and the first towing plate and the first protrusion roller 151 cooperate；
And the second towing plate is equipped with and pushes curved section 1433 and the second arc section 1434, the second towing plate and the second protrusion roller 152
Cooperation.
It is three positional structure schematic diagram of drawer chassis of the present invention such as Figure 10 to 18.Three positional structure of drawer chassis includes
Screw rod 12, planker 13, indicator 3, fixed plate 4, lockplate 5, locking piece 6, unlock piece 7, drawer chassis external shell 8.Above-mentioned portion
Part is installed on bottom plate 11.Three positional structures and some component of drive mechanism be it is shared, be respectively: bottom plate 11, silk
Bar 12, planker 13, Just because of this, three positional structures can complete the locking to drive mechanism by locking screw rod 12.
Screw rod 12, planker 13 have been noted above in the above description, no longer specifically describe.
Fixed plate 4 is a metal plate, is fixed on bottom plate 11, i.e., fixed plate 4 can not be moved relative to bottom plate 11,
Including mobile and rotation.Fixed plate 4 is for limiting screw rod 12, i.e. screw rod 12 passes through the screw rod through hole in fixed plate 4, to make
Obtaining screw rod 12 will not shake during rotation, improve the quality that screw rod 12 works.Same fixed plate 4, which can also limit, to be referred to
Show the movement of part 3, specifically, indicator 3 is caught in the notch in fixed plate 4, so that indicator 3 is during its rotation
It will not shake.
To see that Figure 15, lockplate 5 are similarly a metal plate, is used for the locking of screw rod 12, the mode of the locking is,
Lockplate 5 is equipped with a blocked hole 51, and the clamping section 121 cooperated with the blocked hole 51 is equipped on the screw rod 12, and two
The shape of person matches, such as the two is matched polygon, rectangle or triangle, when 51 sets of blocked hole in clamping section 121
Afterwards, the two engages, so that engaging is integral, and because limit of the lockplate 5 by bottom plate 11, itself is nothing
What method rotated, so that screw rod 12 can not rotate.
Locking piece 6 is a moulding.Such as Figure 13, the locking piece 6 includes the locking piece aperture 62 cooperated with screw rod 12,
After locking piece 6 is installed in place, the screw rod 12 passes through the locking piece aperture 62, and screw rod 12 can be with respect to locking piece
62 free movement of aperture.Locking piece 6 further includes turret terminal 61, and the turret terminal 61 is exposed to the outside of drawer chassis 1, convenient for behaviour
Author, pressing, to realize unlock operation.Positive stop end 65 is equipped on the other end for corresponding to turret terminal 61, positive stop end 65 blocks
Enter into the aperture in fixed plate 4, so that limiting locking piece 6 can not rotate, can only be moved forward and backward.In the side of locking piece 6
Equipped with stop tab 64 and the mating groove 63 being formed between two stop tabs 64, the stop tab 64 is fan-shaped, and mating groove 63
For the slot of bar shaped single radial cut.
Indicator 3 is a plastic part, and in elongated cylindrical type, outside is equipped with gib block, after indicator 3 is installed,
It is equipped with indicateing arm by the one end in 1 outside of drawer chassis, indicateing arm is used to indicate the state of drawer chassis 1 to observer, and leans on drawer
One end in seat 1 is inserted into the indicator matching piece 1322 on the vertical component effect 132 of planker 13, is set in indicator matching piece 1322
Have on indicator 3 gib block cooperate guide groove, such cooperation so that when planker 13 back-and-forth motion after, it is specified when moving to
When position, indicator 3 can rotate, so as to indicate different states.Indicator matching piece 1322 is fixed in vertical component effect 132
On fixation hole 1321 on.The protrusion snap-gauge 31 cooperated with locking piece 6, the protrusion snap-gauge 31 are additionally provided on indicator 3
It turns in the mating groove 63 of specified angle Shi Nengcong locking piece 6 and passes through with indicator 3, and refer to when indicator 3 does not turn to this
When determining angle, the movement of locking piece 6 can be stopped.Structure 32 is additionally provided with and stirred on indicator 3, and described stirs the packet of structure 32
Include two struck sides i.e. the first struck side 321 and the second struck side 322.Shape between first struck side 321 and the second struck side 322
At a notch.
It is additionally provided with an external shell 8 in the outside of drawer chassis 1, the external shell 8 is mounted on the outside of drawer chassis 1,
External shell 8 is used to accommodate the indicateing arm of indicator 3.
Unlock piece 7 is also a plastic part, is equally covered on screw rod 12, and the unlock piece 7 includes unlock piece mounting hole
74, the first swinging end 72 and the second swinging end 73, described 74 sets of unlock piece mounting hole on screw rod 12, and the first swinging end 72
It is located at opposite both ends with the second swinging end 73, forms lever.Second swinging end 73 stirs the cooperation of structure 32 with described, i.e., with
First struck side 321 and the cooperation of the second struck side 322, and the first swinging end 72 cooperates with locking piece 6.Unlock piece 7 further includes one
The torsional spring 71 of restoring force is provided.
The specific course of work of three positional structure of drawer chassis is as follows: when in an intermediate position, the protrusion snap-gauge 31 of indicator 3
The stop tab 64 for blocking locking piece 6 makes the blocked hole 51 of lockplate 5 be detached from clamping section 121.At this point, pressure spring 41 is in compression shape
State, 41 one end of pressure spring resist fixed plate 4, and the other end resists lockplate 5.Screw rod 12 is free to rotate at this time and unlock piece 7 is right
Locking piece 6 is in the unlocked state.Continue to shake screw rod 12, planker 13 when reaching " separation ", " test ", " connection " in middle position
It following screw rod 12 to slide into predeterminated position, and indicator 3 is driven to rotate, the indicateing arm of indicator 3 indicates to the user that location status,
And protrusion snap-gauge 31 is when turning to outside or the mating groove 63 of stop tab 64, pressure spring 41 pushes lockplate 5 and the mobile lock of locking piece 6
Fixed thread bar 12, i.e. three positional structures enter lock state.Operation is unlocked to above-mentioned lock state, is first pressed by operator
The turret terminal 61 of locking piece 6 overcomes pressure spring 41 and pushes lockplate 5 and locking piece 6 mobile, and lockplate 5 unlocks screw rod 12, simultaneously
Unlock piece 7 is rotated by torsional spring 71, blocks locking piece 6.Screw rod 12 is continued to rotate, the protrusion snap-gauge 31 of indicator 3 rotates, and solves
Latch fitting 7 is stirred stirring for structure 32 by indicator 3, releases the locking to locking piece 6, locking piece 6 stretch out a distance and by
To the blocking of protrusion snap-gauge 31, thus in an intermediate position.
Claims (10)
1. a kind of drawer chassis of breaker, the rotating assembly (14) including rotation setting is mounted on the inside of drawer chassis (1) and can
The guide plate (15) of opposite drawer chassis (1) sliding, breaker body (2) are put into drawer chassis (1) afterwards with guide plate (15) synchronizing moving, turn
Shaft assembly (14) includes towing plate (143), it is characterised in that: the towing plate (143) has traction grooved in outer rim
(1431) and curved section (1433) are pushed, the guide plate (15) is equipped with the first protrusion roller with guide plate (15) synchronizing moving
(151) and the second protrusion roller (152)；During breaker body (2) exits drawer chassis (1), first by pushing curved section
(1433) it pushes the second protrusion roller (152) mobile, then pushes the first protrusion roller (151) mobile by traction grooved (1431).
2. the drawer chassis of breaker according to claim 1, it is characterised in that the guide plate (15) is also set upper along upper
Have fixing groove (154), it is after the fixing groove (154) is put on the guide plate (15) of two sides for breaker body (2) and breaking
The fixation of device ontology (2).
3. a kind of drawer chassis of breaker, the rotating assembly (14) including rotation setting, rotating assembly (14) directly drive open circuit
Device ontology (2) is mobile, and rotating assembly (14) includes towing plate (143), it is characterised in that: the towing plate (143) is in outer rim
Upper to have traction grooved (1431) and push curved section (1433), the breaker body (2) is equipped with and breaker body (2)
The the first protrusion roller (151) and the second protrusion roller (152) of synchronizing moving；Drawer chassis (1) is exited in breaker body (2)
In the process, it first pushes the second protrusion roller (152) mobile by pushing curved section (1433), then pushes first by traction grooved (1431)
Protrusion roller (151) is mobile.
4. according to claim 1 or the drawer chassis of breaker described in any one of 3, it is characterised in that drawer chassis (1) further includes
Bottom plate (11), screw rod (12), planker (13) and both side plate, screw rod (12) and planker (13) are mounted on bottom plate (11) top, bottom plate
(11) it is fixedly connected with both side plate, rotating assembly (14) is rotatably arranged between both side plate, and screw rod (12) rotation drives planker
(13) mobile, and drive rotating assembly (14) rotates after planker (13) is mobile, the rotating assembly (14) further includes shaft
(141) and gear piece (142), a pair of of towing plate (143) are fixed on the both ends of shaft (141), and a pair of of gear piece (142) is fixed on shaft
Above and it is located between a pair of of towing plate (143).
5. the drawer chassis of breaker according to claim 4, it is characterised in that the planker (13) includes horizontal part
(131) and vertical component effect (132), the horizontal part (131) is fitted on the inner surface of bottom plate (11), and the vertical component effect
(132) perpendicular to the inner surface of bottom plate (11), it is equipped with the perforation (1311) of spacing side by side setting on horizontal part (131), is hanging down
Straight portion (132) is equipped with threaded hole, and threaded hole is used to cooperate with screw rod (12).
6. the drawer chassis of breaker according to claim 4, it is characterised in that the drawer chassis (1) further includes fixed plate
(4), the fixed plate (4) is mounted on bottom plate (11), is had a circular through hole thereon, is equipped with an axis in circular through hole
It holds, and screw rod (12) is fitted closely with the bearing.
7. according to claim 1 or the drawer chassis of breaker described in any one of 3, it is characterised in that the towing plate
It (143) include the first towing plate and the second towing plate, the traction grooved (1431) is placed on the first towing plate, the first towing plate
Cooperate with the first protrusion roller (151)；And push curved section (1433) and be placed on the second towing plate, the second towing plate and second is dashed forward
Play roller (152) cooperation.
8. according to claim 1 or the drawer chassis of breaker described in any one of 3, it is characterised in that the traction grooved
(1431) it is groove, there is the traction groove bottom (14312) positioned at the traction groove sidewall (14311) of two sides and positioned at bottom.
9. the drawer chassis of breaker according to claim 8, it is characterised in that the traction groove sidewall (14311) with
The joining place for drawing groove bottom (14312) is equipped with knuckle, in traction groove sidewall (14311) and towing plate (143) outer
Joining place also is provided with knuckle.
10. according to claim 1 or the drawer chassis of breaker described in any one of 3, it is characterised in that first protrusion
Roller (151) and the second protrusion roller (152) are horizontally spaced about.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020986.9A CN109713602B (en) | 2017-10-25 | 2017-10-25 | Drawer seat of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020986.9A CN109713602B (en) | 2017-10-25 | 2017-10-25 | Drawer seat of circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109713602A true CN109713602A (en) | 2019-05-03 |
| CN109713602B CN109713602B (en) | 2020-03-06 |
Family
ID=66253566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020986.9A Active CN109713602B (en) | 2017-10-25 | 2017-10-25 | Drawer seat of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109713602B (en) |
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| Publication number | Publication date |
|---|---|
| CN109713602B (en) | 2020-03-06 |
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