CN106122311A - A kind of bidirectional driving apparatus, the Height-adjusting device with this device and seat - Google Patents
A kind of bidirectional driving apparatus, the Height-adjusting device with this device and seat Download PDFInfo
- Publication number
- CN106122311A CN106122311A CN201610692837.6A CN201610692837A CN106122311A CN 106122311 A CN106122311 A CN 106122311A CN 201610692837 A CN201610692837 A CN 201610692837A CN 106122311 A CN106122311 A CN 106122311A
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- China
- Prior art keywords
- ratchet
- height
- adjusting device
- driving apparatus
- fixing lid
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 52
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
- B60N2/167—Ratchet mechanism
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D41/00—Freewheels or freewheel clutches
- F16D41/12—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like
- F16D41/16—Freewheels or freewheel clutches with hinged pawl co-operating with teeth, cogs, or the like the action being reversible
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses the bidirectional driving apparatus of a kind of Height-adjusting device, including ratchet, fixing lid, retardance sheet, drive plate and ratchet；Fixing lid, for extruding retardance sheet in the axial direction with Height-adjusting device core members, drives plate, fixing lid to be all connected with rotary shaft with ratchet；Blocking at the non-axle center of sheet hinged with the bias point of ratchet, the both sides of ratchet are provided with ratchet, drive plate to be articulated with ratchet；The driving rotational band pawl driving plate rotates around bias point and makes the ratchet of ratchet side engage with ratchet；Drive the backhaul rotational band pawl of plate around bias point backwards rotation, fix and cover the special-shaped slot avoiding ratchet to engage with ratchet when being provided with for rotating in the backhaul driving plate and be not returned to centre position.Said apparatus is provided with the ratchet of bilateral ratchet and is provided with special-shaped slot, it is to avoid the experience sense of the noise effect user that ratchet sends is subject to.The invention also discloses a kind of Height-adjusting device of above-mentioned bidirectional driving apparatus and include the seat of above-mentioned Height-adjusting device of including.
Description
Technical field
The present invention relates to technical field of mechanical design, more particularly, it relates to a kind of bidirectional driving apparatus.Additionally, this
Bright further relate to a kind of Height-adjusting device of above-mentioned bidirectional driving apparatus and include the seat of above-mentioned Height-adjusting device of including.
Background technology
The elevating function of automotive seat can be that different users provides comfortable ride experience, height adjuster and other
Parts form seat riser together, and height adjuster is for controlling the realization of seat elevating function and keeping the seat after adjusting
Chair height.Along with environmental protection and energy-conservation requirement, the height adjuster that market demand volume is little, lightweight, performance is excellent.
Height adjuster is made up of drive part and locking two parts of core.Bi-directional drive at a kind of height adjuster
In structure, mainly comprise the parts such as ratchet, ratchet, set casing, driving plate, ratchet pawl reset spring.Time static, make at ratchet pawl reset spring
Under with, two ratchets engage with ratchet respectively, during driving, drive plate by ratchet boss drive ratchet, and two ingear
Ratchet one of them be disengaged under set casing groove effect, another one keeps engagement also to drive pawl wheel, thus drives
Locking core, outfan rotate.
But, during the backhaul operation of above-mentioned Bidirectional driving structure, the ratchet playing engaged transmission effect is made at ratchet pawl reset spring
Slip over hook tooth with lower meeting, sliding process there will be sound, and the position of ratchet can be affected.Part user can be mistakenly considered
Noise, the comfort taken declines the most therewith, and affect user benefits from experience.
In sum, how to provide the bidirectional driving apparatus that a kind of gimp is little, be current those skilled in the art urgently
Problem to be solved.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of bidirectional driving apparatus, the gimp of this bidirectional driving apparatus
Little, Consumer's Experience sense is good.
It is a further object of the present invention to provide a kind of Height-adjusting device including above-mentioned bidirectional driving apparatus and seat.
To achieve these goals, the present invention provides following technical scheme:
The bidirectional driving apparatus of a kind of Height-adjusting device, including ratchet, fixing lid, blocks sheet, for being connected with Height-adjusting device handle
Drive plate and for being arranged on the ratchet in Height-adjusting device core members；Described fixing lid is used for described Height-adjusting device core members at axle
The most described retardance sheet, described driving plate, described fixing lid are all connected with rotary shaft with described ratchet；
At the non-axle center of described retardance sheet hinged with the bias point of described ratchet, the both sides of described ratchet are provided with spine
Tooth, described driving plate is articulated with described ratchet；
The rotation that drives of described driving plate drives described ratchet rotate around described bias point and make the spine of described ratchet side
Tooth engages with described ratchet；The backhaul rotation described ratchet of drive of described driving plate is around described bias point backwards rotation, described solid
Surely cover and be provided with for avoiding described ratchet and described spine when the backhaul of described driving plate rotates and is not returned to centre position
The special-shaped slot of wheel engagement.
Preferably, described retardance sheet includes with Height-adjusting device core members with the retardance sheet body of rotary shaft, described retardance sheet this
Body is provided with for the retardance sheet boss hinged with described bias point, and described retardance sheet body is also connected with one end of elastic component, institute
Stating elastic component and have extension in the axial direction, the other end of described elastic component connects pressure-containing parts, and described pressure-containing parts is with described
Fixing lid abuts in the axial direction.
Preferably, described retardance sheet is arranged with at least two elastic component, and described elastic component is about described retardance sheet
Boss connects.
Preferably, described elastic component is flat spring, and/or described pressure-containing parts is the convex closure with curved surfaces.
Preferably, the one in described ratchet and described driving plate is provided with through hole, and another one is provided with and described through hole
The boss of coordination hinge, described boss is connected through described special-shaped slot with described through hole.
Preferably, on described special-shaped slot, the limit near described fixing lid outer rim is arc-shaped side, and the camber line of described arc-shaped side
Depression, towards the middle part of described fixing lid, arranges the extension that oriented described fixing lid edge extends in the both sides of described arc-shaped side
Groove；
Described ratchet is provided with the side boss for being connected in described special-shaped slot, and the described boss both sides of described ratchet are divided
It is not provided with a described side boss.
Preferably, described fixing covers the locked part being provided with for being fastened with described Height-adjusting device core members, uses
In described ratchet, described retardance sheet, described ratchet are wrapped in described fixing lid and described Height-adjusting device core members.
Preferably, described driving plate is provided with for solid with described fixing lid or described Height-adjusting device core members in the axial direction
Fixed fixture.
A kind of Height-adjusting device, including bidirectional driving apparatus and Height-adjusting device core members, described bidirectional driving apparatus be above-mentioned arbitrarily
One described bidirectional driving apparatus.
A kind of seat, including Height-adjusting device, described Height-adjusting device is Height-adjusting device described above.
In the bidirectional driving apparatus that the present invention provides, by changing two ratchets of the prior art into one, there is bilateral
The ratchet of ratchet, and be provided for driving plate backhaul to rotate the special-shaped slot that limit ratchet engages with ratchet fixing covering,
Avoid the position of ratchet interference ratchet, and avoid the experience sense of noise effect user that ratchet sends to be subject to.
Present invention also offers a kind of Height-adjusting device of above-mentioned bidirectional driving apparatus and include the seat of above-mentioned Height-adjusting device of including,
The use comfort of above-mentioned Height-adjusting device and seat is strong, and user operation sense is good.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the axonometric drawing of the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 2 is the explosive view of the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 3 is assemble sequence one figure of the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 4 is assemble sequence two figure of the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 5 is assemble sequence three figure of the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 6 is assemble sequence four figure of the specific embodiment of bidirectional driving apparatus provided by the present invention.
In figure 1 above-6:
1 for drive plate, 11 be through hole, 12 be hole flanging, 2 be fixing lid, 21 be bridge, 22 be special-shaped slot, 3 be ratchet,
31 be ratchet, 32 for ratchet through hole, 33 for boss, 34 for side boss, 4 for retardance sheet, 41 for retardance sheet boss, 42 for retardance sheet
Hole flanging, 43 be flat spring, 44 be convex closure, 5 be ratchet, 51 be ratchet boss, 6 for Height-adjusting device core members.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
The core of the present invention provides a kind of bidirectional driving apparatus, and the gimp of this bidirectional driving apparatus is little, Consumer's Experience
Feel.
Another core of the present invention is to provide a kind of Height-adjusting device including above-mentioned bidirectional driving apparatus and seat.
Refer to the axonometric drawing of the specific embodiment that Fig. 1 to Fig. 6, Fig. 1 are bidirectional driving apparatus provided by the present invention；Fig. 2
Explosive view for the specific embodiment of bidirectional driving apparatus provided by the present invention；
Fig. 3 to Fig. 6 is respectively assemble sequence one figure of the specific embodiment of bidirectional driving apparatus provided by the present invention to dress
Sequence ligand four figure.
The bidirectional driving apparatus of a kind of Height-adjusting device provided by the present invention, is mainly used in the Height-adjusting device of seat, seat
Height-adjusting device includes that Height-adjusting device core members and bidirectional driving apparatus, bidirectional driving apparatus are connected with Height-adjusting device core members.
Structurally, bidirectional driving apparatus includes driving plate 1, fixing lid 2, ratchet 3, retardance sheet 4 and ratchet 5.Drive plate 1
For being connected with Height-adjusting device handle, ratchet 5 is used for being arranged on Height-adjusting device core members 6, and fixing lid 2 is used for and Height-adjusting device core members
6 extrude retardance sheet 4 in the axial direction, wherein, drive plate 1, fixing lid 2 to be all connected with rotary shaft with ratchet 5.The non-axle of retardance sheet 4
At the heart hinged with the bias point of ratchet 3, the both sides of ratchet 3 are provided with ratchet 31, drive plate 1 to be articulated with ratchet 3.
Drive driving to rotate and ratchet 3 can being driven to rotate around bias point and make ratchet 31 and the ratchet of ratchet 3 side of plate 1
5 engagements；The backhaul driving plate 1 rotates and ratchet 3 can be driven around bias point backwards rotation, and fixing lid 2 is provided with for driving
The backhaul of dynamic plate 1 rotates and is not returned to during centre position the special-shaped slot 22 avoiding ratchet 31 to engage with ratchet 5.
It should be noted that Height-adjusting device core members 6, ratchet 5, retardance sheet 4, fixing lid 2 and driving plate 1 have identical turning
Moving axis, this rotary shaft can be entity rotary shaft, can be realized with rotating by same axial workpiece between the most above-mentioned parts
Being rotationally connected of axle, it is of course also possible to realize connecting according to connecting order by respective rotating connecting part, such as, is located at spine
Take turns the boss of 5 mesopores to may be used for connecing realization with the borehole jack of retardance sheet 4 and be rotationally connected.It should be noted that due to Height-adjusting device core
Central member 6, ratchet 5, retardance sheet 4, fixing lid 2 and drive plate 1 to be to rotate coaxially connection, so these parts can be rotating around
This rotary shaft connects.
The axle center of retardance sheet 4 and the axle center conllinear of ratchet, retardance sheet 4 can block sheet 4 set in the axial direction around axis rotation
In the middle of fixing lid 2 and Height-adjusting device core members 6, and retardance sheet 4 is in the state clamped by fixing lid 2 and Height-adjusting device core members 6,
Therefore the rotation in the circumferential of retardance sheet 4 is by the frictional force effect produced after the two extruding, and rotation is blocked.
Bias point on ratchet 3 refers on ratchet 3 except a position corresponding with above-mentioned shaft core position, bias point and resistance
At the non-axle center of stagnant 4 hinged, it addition, ratchet 3 is also with to drive plate 1 hinged, and on ratchet 3 two are hinged coaxial, and
When driving plate 1 around axis rotation, plate 1 is driven band pawl 3 to move, but owing to ratchet 3 is the most also obstructed with rotating
Retardance sheet 4 is hinged, so, drive the driving of plate 1 to rotate and ratchet 3 can be driven to rotate around bias point, after ratchet 3 rotates, be positioned at
The ratchet 31 of ratchet 3 side engages with the tooth on ratchet 5, thus drives the rotation of plate 1 that ratchet 5 can be driven to rotate, it is possible to
Turn to the extreme position of unilateral rotation always.It should be noted that ratchet 3 is only capable of realizes unilateral ratchet 31 and ratchet 5
Engagement, i.e. after the ratchet 31 of side engages with ratchet 5, ratchet 31 and the ratchet 5 of opposite side are in released state.
After rotating to extreme position, plate 1 is driven to carry out backhaul rotation under the effect of the return spring of actuator.With upper
State process analogously, owing to blocking the retardation of sheet 4, drive the backhaul rotational band pawl 3 of plate 1 inversely to turn around bias point
Dynamic, fixing lid 2 is provided with special-shaped slot 22, the formation of ratchet 3 can be limited by special-shaped slot 22, makes ratchet 3 around bias point
Movement in and when being not returned to centre position, the ratchet 31 of ratchet 3 both sides does not engages with ratchet 5, thus avoids 3 strokes of ratchet
The noise crossing the tooth on ratchet 5 and send, it is to avoid affect the use impression of client.
It should be noted that centre position refers in the interval driving plate 1 can rotate relative to fixing lid 2
Centre position.
It should be noted that the special-shaped slot 22 that provided of the present embodiment can with the restriction of ratchet 3 forming position so that
Ratchet 3 will not engage with the tooth of ratchet 5 when backhaul rotates and is not returned to centre position, but, the structure of special-shaped slot 22 is permissible
Having multiple, any special-shaped slot 22 that ratchet 3 can be avoided to engage with ratchet 5 belongs to the protection domain of the application.
In bidirectional driving apparatus provided herein, have double by two ratchets of the prior art being changed into one
The ratchet 3 of gemmule tooth 31, and be provided for driving plate 1 backhaul rotation limit ratchet 3 to engage with ratchet 5 on fixing lid 2
Special-shaped slot 22, it is to avoid ratchet 3 disturbs the position of ratchet 5, and avoids the experience sense of noise effect user that ratchet 3 sends
It is subject to.
On the basis of above-described embodiment, retardance sheet 4 can specifically include with Height-adjusting device core members 6 with the resistance of rotary shaft
Stagnant body, retardance sheet body is provided with for the retardance sheet boss 41 hinged with bias point, and retardance sheet body is also connected with elasticity
One end of part, elastic component has extension in the axial direction, and the other end of elastic component connects pressure-containing parts, pressure-containing parts and fixing lid
2 abut in the axial direction.
It should be noted that the rotary shaft axially referring to ratchet 5 that the application is previously mentioned, the elastic component of retardance sheet 4
Having extension in the axial direction, and retardance sheet 4 is in the axial direction by fixing lid 2 and the extruding of Height-adjusting device core members 6, retardance sheet 4 exists
Squeezing action on Zhou Xiang, on elastic component and on pressure-containing parts, forms the retardance that retardance sheet 4 circumferentially rotates.Corresponding, this
Radial direction in application refers to the radial direction of ratchet 5, is namely perpendicular to above-mentioned axially direction.In like manner, the week in the application
To the circumference i.e. referring both to ratchet 5.
The present embodiment arranges elastic component on retardance sheet 4, in order to the pressure transmission of fixing lid 2 is given retardance sheet 4, but works as
When rotatory force is bigger, it is also possible to meet retardance sheet 4 rotatably.
On the basis of above-described embodiment, retardance sheet 4 is arranged with at least two elastic component, and elastic component is about resistance
Stagnant boss 41 connects.The elastic component arranging symmetry can aid in the pressure transmission to retardance sheet 4, and can guarantee that pressure simultaneously
Stablize.
On the basis of any one embodiment above-mentioned, elastic component can be flat spring 43, specifically, flat spring 43
One end connects retardance sheet body, and the elastic direction of flat spring 43 has extension in the axial direction, and the other end of flat spring 43 connects
Pressure-containing parts.It is of course also possible to be the elastic component of other shapes and structure.
It addition, pressure-containing parts is the convex closure 44 with curved surfaces.To contact with fixing lid 2 in view of pressure-containing parts and be subject to
Pressure, and in pressurized process, there may be displacement radially, so, there is the convex closure 44 of curved surfaces and the fixing lid of plane
The fit system of 2 contributes to improving fixing lid 2 to retardance sheet 4 pressure direction, it is to avoid retardance was lost efficacy.
Optionally, the elastic component of the application and pressure-containing parts are not limited to above-mentioned situation, and other contribute to promoting retardance
The retardance sheet 4 of effect belongs to the protection domain of the application.
On the basis of any one embodiment above-mentioned, ratchet 3 with drive the hinged of plate 1 be specifically as follows: ratchet 3 and
Driving the one in plate 1 to be provided with through hole 11, another one is provided with and the boss 33 of through hole 11 coordination hinge, and boss 33 is through different
Shape groove 22 is connected with through hole 11.
It should be noted that the through hole 11 that arranges on plate 1 of ratchet 3 or drive for and boss 33 coordination hinge, and boss
33, by penetrating in the connection of special-shaped slot 22 realization with through hole 11, can save the space on fixing lid 2.Certainly, boss 33 is also
Can by other grooves or other structures realize with through hole 11 hinged.
On the basis of any one embodiment above-mentioned, on special-shaped slot 22, the limit near fixing lid 2 outer rims is arc-shaped side,
And the camber line depression of arc-shaped side is towards the middle part of fixing lid 2, arranges prolonging of oriented fixing lid 2 edge extension in the both sides of arc-shaped side
Stretch groove.Ratchet 3 is provided with the side boss 34 for being connected in special-shaped slot 22, and the boss 33 of ratchet 3 is respectively provided on two sides with one
Side boss 34.
Refer to Fig. 2, the camber line depression on the limit, outer arcuate limit on special-shaped slot 22 is towards the middle part of fixing lid 2, and outer arcuate
The two ends on limit are respectively provided with extension slot that is circumferentially extending and that extend to fixing lid 2 outer rim.Specifically, special-shaped slot 22 can be fan-shaped
Arc groove etc. corresponding to groove and central angle.Extension slot can rotate the angle of limit ratchet 3 in ratchet 3 backhaul, it is to avoid spine
The ratchet 31 of pawl 3 engages with ratchet 5 or touches.
On the basis of any one embodiment above-mentioned, fixing lid 2 is provided with for fastening with Height-adjusting device core members 6
Fixing locked part, for being wrapped in ratchet 5, retardance sheet 4, ratchet 3 in fixing lid 2 and Height-adjusting device core members 6.
It should be noted that fixing lid 2 needs protection setting between itself and Height-adjusting device core members 6 as case member
Rotatable parts, it is desirable to be able to coordinate with Height-adjusting device core members 6 and rotatable parts are protected wherein.Further, fixing lid 2 is also
Fixing with Height-adjusting device core members 6 can be connected, and ensure the reliability connected.
On the basis of any one embodiment above-mentioned, drive be provided with on plate 1 in the axial direction with fixing lid 2 or
The fixing fixture of Height-adjusting device core members 6.
In the specific embodiment that the application provides, bidirectional driving apparatus include driving plate 1, fixing lid 2, ratchet 3,
Retardance sheet 4 and ratchet 5.
Driving and be provided with through hole 11 and three hole flangings 12 on plate 1, hole flanging 12 is for being connected with Height-adjusting device handle.Fixing lid 2
There is three bridges 21 and a special-shaped slot 22.There is on ratchet 3 two sections of ratchets, 32, boss of 31, ratchet through hole
33 and two side boss 34.Retardance sheet 4 has retardance sheet boss 41, retardance 42, two symmetrical sheet bullets of sheet hole flanging
Spring 43 and two convex closures 44；Ratchet 5 is assemblied in Height-adjusting device core members 6.
Ratchet 5 is assemblied in Height-adjusting device core members 6, and retardance sheet 4 falls on ratchet 5 inner surface, the retardance sheet on retardance sheet 4
Hole flanging 42 coordinates with the ratchet boss 51 on ratchet 5, and ratchet 3 is arranged on retardance sheet 4, the ratchet through hole 32 on ratchet 3 and resistance
Retardance sheet boss 41 on stagnant 4 coordinates, and the side ratchet 31 on ratchet 3 does not engages with the tooth of ratchet 5, fixing lid 2 end faces with
Height-adjusting device core members 6 end face coordinates, and flat spring 43 elastic deformation on retardance sheet 4 is pressed in fixing lid 2 inner surfacies in advance, on retardance sheet
Convex closure 44 keep with fixing lid 2 inner surface contact forms being circular arc and plane contact, drive plate 1 to cover 2 contact with fixing, drive
Through hole 11 on dynamic plate 1 coordinates with the boss 33 on ratchet 3, drives the handle of the hole flanging 12 on plate 1 and Height-adjusting device core members 6 even
Connect, drive the appearance profile of plate 1 jointly to act on three bridges 21 on fixing lid 2 and play restriction work angle effect.
The driving function course of above-mentioned bidirectional driving apparatus is specific as follows:
Pulling the handle of Height-adjusting device core members 6, handle drives and drives plate 1 to rotate, and drives the through hole 11 on plate 1 to pass through ratchet
3 convex platform 33 band pawl 3 are around center axis thereof, and meanwhile, the retardance sheet boss 41 on retardance sheet 4 is in the elasticity of flat spring 43
Under power, the ratchet through hole 32 on ratchet 3 is applied drag, so make ratchet 3 produce the rotation around ratchet through hole 32, until
Ratchet 3 engages with the tooth of ratchet 5, just drives ratchet 5 to rotate up to operating limit position together after engagement.
After reaching the limit of position, plate 1 is driven to rotate back to journey, band pawl 3 under the return spring effect of Height-adjusting device core members 6
Backhaul, now under the retardation of retardance sheet 4, ratchet 3 is in the tooth abjection hook tooth of engagement side, and opposite side tooth has with ratchet
Engagement trend, but on fixing lid 2 under the effect of special-shaped slot 22, during ratchet 3 and ratchet 5 can not engage until driving plate 1 to return to
Between position, so ratchet 5 not backhaul, operation drives plate 1 and so forth, just obtains the unidirectional interval step-by-step drive of ratchet 5.Operation
Time in opposite direction in like manner, here is omitted.
The bidirectional driving apparatus provided except above-described embodiment, the present invention also provides for one and includes that above-described embodiment is open
The Height-adjusting device of bidirectional driving apparatus, Height-adjusting device specifically includes bidirectional driving apparatus and Height-adjusting device core members, bidirectional driving apparatus
Ratchet be connected with Height-adjusting device core members.Present invention also offers a kind of seat including above-mentioned Height-adjusting device, this Height-adjusting device and seat
The structure of other each several parts of chair refer to prior art, repeats no more herein.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
The Height-adjusting device and the seat that to a kind of bidirectional driving apparatus provided by the present invention, have this device above have been carried out in detail
Thin introduction.Principle and the embodiment of the present invention are set forth by specific case used herein, saying of above example
Bright method and the core concept thereof being only intended to help to understand the present invention.It should be pointed out that, the ordinary skill for the art
For personnel, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve
Also fall in the protection domain of the claims in the present invention with modifying.
Claims (10)
1. the bidirectional driving apparatus for Height-adjusting device, it is characterised in that include ratchet (3), fixing lid (2), retardance sheet
(4), for the driving plate (1) that is connected with Height-adjusting device handle be used for the ratchet (5) being arranged in Height-adjusting device core members (6)；Institute
State fixing lid (2) for extruding described retardance sheet (4) in the axial direction with described Height-adjusting device core members (6), described driving plate (1),
Described fixing lid (2) is all connected with rotary shaft with described ratchet (5)；
At the non-axle center of described retardance sheet (4) hinged with the bias point of described ratchet (3), the both sides of described ratchet (3) are respectively provided with
Ratchet (31), described driving plate (1) is had to be articulated with described ratchet (3)；
The driving of described driving plate (1) rotates and described ratchet (3) can be driven to rotate around described bias point and make described ratchet (3)
The described ratchet (31) of side engages with described ratchet (5)；The backhaul of described driving plate (1) rotates can drive described ratchet
(3) around described bias point backwards rotation, described fixing lid (2) is provided with for described driving plate (1) backhaul rotate and
It is not returned to during centre position the special-shaped slot (22) avoiding described ratchet (31) to engage with described ratchet (5).
Bidirectional driving apparatus the most according to claim 1, it is characterised in that described retardance sheet (4) includes heightening with described
Device core members (6) is provided with for the resistance hinged with described bias point with the retardance sheet body of rotary shaft, described retardance sheet body
Stagnant boss (41), described retardance sheet body is also connected with one end of elastic component, and described elastic component has extension in the axial direction, institute
The other end stating elastic component connects pressure-containing parts, and described pressure-containing parts abuts in the axial direction with described fixing lid (2).
Bidirectional driving apparatus the most according to claim 2, it is characterised in that be arranged with at least on described retardance sheet (4)
Two described elastic components, and described elastic component connects about described retardance sheet boss (41).
Bidirectional driving apparatus the most according to claim 3, it is characterised in that described elastic component is flat spring (43), and/or
Described pressure-containing parts is the convex closure (44) with curved surfaces.
5. according to the bidirectional driving apparatus described in Claims 1-4 any one, it is characterised in that described ratchet (3) and described
Driving the one in plate (1) to be provided with through hole (11), another one is provided with the boss (33) with described through hole (11) coordination hinge,
Described boss (33) is connected through described special-shaped slot (22) with described through hole (11).
Bidirectional driving apparatus the most according to claim 5, it is characterised in that described special-shaped slot (22) is upper near described fixing
The limit of lid (2) outer rim is arc-shaped side, and the camber line depression of described arc-shaped side is towards the middle part of described fixing lid (2), at described arc
The both sides on shape limit arrange the extension slot that oriented described fixing lid (2) edge extends；
Described ratchet (3) is provided with the side boss (34) for being connected in described special-shaped slot (22), described ratchet (3) described
Boss (33) is respectively provided on two sides with described side boss (34).
Bidirectional driving apparatus the most according to claim 6, it is characterised in that be provided with on described fixing lid (2) for
The locked part that described Height-adjusting device core members (6) is fastened, for by described ratchet (5), described retardance sheet (4), described spine
Pawl (3) is wrapped in described fixing lid (2) and described Height-adjusting device core members (6).
Bidirectional driving apparatus the most according to claim 7, it is characterised in that be provided with on described driving plate (1) for
The upper fixture fixing with described fixing lid (2) or described Height-adjusting device core members (6).
9. a Height-adjusting device, including bidirectional driving apparatus and Height-adjusting device core members, it is characterised in that described bidirectional driving apparatus is
Bidirectional driving apparatus described in claim 1 to 8 any one.
10. a seat, including Height-adjusting device, it is characterised in that described Height-adjusting device is the Height-adjusting device described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692837.6A CN106122311B (en) | 2016-08-19 | 2016-08-19 | A kind of bidirectional driving apparatus, the Height-adjusting device and seat with the device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610692837.6A CN106122311B (en) | 2016-08-19 | 2016-08-19 | A kind of bidirectional driving apparatus, the Height-adjusting device and seat with the device |
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| Publication Number | Publication Date |
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| CN106122311A true CN106122311A (en) | 2016-11-16 |
| CN106122311B CN106122311B (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610692837.6A Active CN106122311B (en) | 2016-08-19 | 2016-08-19 | A kind of bidirectional driving apparatus, the Height-adjusting device and seat with the device |
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| CN110395149A (en) * | 2019-08-30 | 2019-11-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its height adjuster |
| CN110395150A (en) * | 2019-08-30 | 2019-11-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its height adjuster |
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| CN110395149A (en) * | 2019-08-30 | 2019-11-01 | 湖北航嘉麦格纳座椅系统有限公司 | A kind of automotive seat and its height adjuster |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106122311B (en) | 2018-02-23 |
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