CN106122311B - A kind of bidirectional driving apparatus, the Height-adjusting device and seat with the device - Google Patents
A kind of bidirectional driving apparatus, the Height-adjusting device and seat with the device Download PDFInfo
- Publication number
- CN106122311B CN106122311B CN201610692837.6A CN201610692837A CN106122311B CN 106122311 B CN106122311 B CN 106122311B CN 201610692837 A CN201610692837 A CN 201610692837A CN 106122311 B CN106122311 B CN 106122311B
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- China
- Prior art keywords
- ratchet
- height
- adjusting device
- fixed cover
- driving plate
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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 a kind of bidirectional driving apparatus of Height-adjusting device, including ratchet, fixed cover, retardance piece, driving plate and ratchet;Fixed cover is used to extrude retardance piece in the axial direction with Height-adjusting device core members, and driving plate, fixed cover rotate axis connection together with ratchet;Block piece non-axle center at and ratchet biasing it is point articulated, the both sides of ratchet are provided with ratchet, and driving plate is articulated with ratchet;The driving rotational band pawl of driving plate rotates around bias point and the ratchet of ratchet side is engaged with ratchet;The backhaul rotational band pawl of driving plate is provided with the special-shaped slot for avoiding ratchet from being engaged with ratchet when the backhaul of driving plate rotates and is not returned to centre position in bias point backwards rotation, fixed cover.The ratchet that said apparatus is provided with bilateral ratchet is simultaneously provided with special-shaped slot, avoid the experience sense of the noise effect user that ratchet sends by.The invention also discloses a kind of Height-adjusting device including above-mentioned bidirectional driving apparatus and include the seat of above-mentioned Height-adjusting device.
Description
Technical field
The present invention relates to technical field of mechanical design, more specifically to a kind of bidirectional driving apparatus.In addition, this hair
A kind of bright seat for further relating to Height-adjusting device including above-mentioned bidirectional driving apparatus and including above-mentioned Height-adjusting device.
Background technology
The elevating function of automotive seat can provide comfortable ride experience for different users, height adjuster and other
Part forms seat riser together, and height adjuster is used for the realization for controlling seat elevating function and keeps the seat after adjustment
Chair height.With environmental protection and the requirement of energy-conservation, market demand small volume, height adjuster in light weight, performance is excellent.
Height adjuster is made up of two parts of drive part and locking core.In a kind of bi-directional drive of height adjuster
In structure, mainly comprising parts such as ratchet, ratchet, set casing, driving plate, ratchet pawl reset springs.When static, make in ratchet pawl reset spring
Under, two ratchets engage with ratchet respectively, and during driving, for driving plate by ratchet boss drive ratchet, two ingear
One of them is disengaged from ratchet under the effect of set casing groove, and another keeps engaging and drives pawl wheel, so as to drive
Lock core, output end rotates.
However, during the backhaul operation of above-mentioned Bidirectional driving structure, the ratchet for playing engaged transmission is made in ratchet pawl reset spring
Hook tooth can be slipped under, sound occurs in sliding process, and the position of ratchet can be influenceed.Part user can be mistakenly considered
Noise, the comfort of seating also decline therewith, and influence user benefits from experience.
In summary, how to provide a kind of gimp small bidirectional driving apparatus, be current those skilled in the art urgently
The problem of to be solved.
The content 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 the bidirectional driving apparatus
Small, user experience is good.
It is a further object of the present invention to provide a kind of Height-adjusting device and seat including above-mentioned bidirectional driving apparatus.
To achieve these goals, the present invention provides following technical scheme:
A kind of bidirectional driving apparatus of Height-adjusting device, including ratchet, fixed cover, retardance piece, for being connected with Height-adjusting device handle
Driving plate and the ratchet for being arranged in Height-adjusting device core members;The fixed cover is used for the Height-adjusting device core members in axle
The upward retardance piece, the driving plate, the fixed cover rotate axis connection together with the ratchet;
Point articulated with the biasing of the ratchet at the non-axle center of the retardance piece, the both sides of the ratchet are provided with spine
Tooth, the driving plate are articulated with the ratchet;
The driving of the driving plate, which rotates, drives the ratchet to be rotated around the bias point and make the spine of the ratchet side
Tooth engages with the ratchet;The backhaul of the driving plate, which rotates, drives the ratchet around the bias point backwards rotation, described solid
Surely cover and be provided with for avoiding the ratchet and the spine when the backhaul of the driving plate rotates and is not returned to centre position
Take turns the special-shaped slot of engagement.
Preferably, the retardance piece includes the retardance piece body with Height-adjusting device core members with rotary shaft, the retardance piece sheet
Body, which is provided with, is used for the retardance piece boss point articulated with the biasing, and the retardance piece body is also connected with one end of elastic component, institute
Stating elastic component has an extension in the axial direction, the other end connection pressure-containing parts of the elastic component, the pressure-containing parts with it is described
Fixed cover abuts in the axial direction.
Preferably, at least two elastic components are arranged with the retardance piece, and the elastic component is on the retardance piece
Boss connects.
Preferably, the elastic component is flat spring, and/or the pressure-containing parts is the convex closure with curved surfaces.
Preferably, one of the ratchet and the driving plate are provided with through hole, and another one is provided with and the through hole
The boss of coordination hinge, the boss are connected through the special-shaped slot with the through hole.
Preferably, the side on the special-shaped slot close to the fixed cover outer rim is arc-shaped side, and the camber line of the arc-shaped side
Depression sets the extension of the oriented fixed cover edge extension in the both sides of the arc-shaped side towards the middle part of the fixed cover
Groove;
The ratchet is provided with the side boss for being used for being connected in the special-shaped slot, the boss both sides point of the ratchet
She You not a side boss.
Preferably, the locked part for being fastened with the Height-adjusting device core members is provided with the fixed cover, is used
It is wrapped in by the ratchet, the retardance piece, the ratchet in the fixed cover and the Height-adjusting device core members.
Preferably, it is provided with the driving plate for consolidating in the axial direction with the fixed cover or the Height-adjusting device core members
Fixed fixture.
A kind of Height-adjusting device, including bidirectional driving apparatus and Height-adjusting device core members, the bidirectional driving apparatus are above-mentioned any
Bidirectional driving apparatus described in one.
A kind of seat, including Height-adjusting device, the Height-adjusting device are Height-adjusting device described above.
In bidirectional driving apparatus provided by the invention, there is bilateral by the way that two ratchets of the prior art are changed into one
The ratchet of ratchet, and the special-shaped slot that limitation ratchet engages with ratchet when driving plate backhaul rotates is being provided in fixed cover,
Avoid the position of ratchet interference ratchet, and avoid the experience sense of the noise effect user that ratchet sends by.
Present invention also offers a kind of Height-adjusting device including above-mentioned bidirectional driving apparatus and include the seat of above-mentioned Height-adjusting device,
The use comfort of above-mentioned Height-adjusting device and seat is strong, and user's operation sense is good.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
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 the figure of assemble sequence one of the specific embodiment of bidirectional driving apparatus provided by the present invention;
Fig. 4 is the figure of assemble sequence two of the specific embodiment of bidirectional driving apparatus provided by the present invention;
Fig. 5 is the figure of assemble sequence three of the specific embodiment of bidirectional driving apparatus provided by the present invention;
Fig. 6 is the figure of assemble sequence four of the specific embodiment of bidirectional driving apparatus provided by the present invention.
In figure 1 above -6:
1 be driving plate, 11 be through hole, 12 be hole flanging, 2 be fixed cover, 21 be bridge, 22 be special-shaped slot, 3 be ratchet,
31 it is ratchet, 32 be ratchet through hole, 33 be boss, 34 be side boss, 4 be retardance piece, 41 be retardance piece boss, 42 is retardance piece
Hole flanging, 43 be flat spring, 44 be convex closure, 5 be ratchet, 51 be ratchet boss, 6 be Height-adjusting device core members.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The core of the present invention provides a kind of bidirectional driving apparatus, and the gimp of the bidirectional driving apparatus is small, Consumer's Experience
Feel.
Another core of the present invention is to provide a kind of Height-adjusting device and seat including above-mentioned bidirectional driving apparatus.
Fig. 1 to Fig. 6 is refer to, Fig. 1 is the axonometric drawing of the specific embodiment of bidirectional driving apparatus provided by the present invention;Fig. 2
For the explosive view of the specific embodiment of bidirectional driving apparatus provided by the present invention;
Fig. 3 to Fig. 6 is respectively that the figure of assemble sequence one of the specific embodiment of bidirectional driving apparatus provided by the present invention extremely fills
The figure of sequence ligand four.
A kind of bidirectional driving apparatus of Height-adjusting device provided by the present invention, is mainly used in the Height-adjusting device of seat, seat
Height-adjusting device includes Height-adjusting device core members and bidirectional driving apparatus, and bidirectional driving apparatus is connected with Height-adjusting device core members.
In structure, bidirectional driving apparatus includes driving plate 1, fixed cover 2, ratchet 3, retardance piece 4 and ratchet 5.Driving plate 1
For being connected with Height-adjusting device handle, ratchet 5 is used to be arranged on Height-adjusting device core members 6, and fixed cover 2 is used for and Height-adjusting device core members
6 extrude retardance piece 4 in the axial direction, wherein, driving plate 1, fixed cover 2 are with ratchet 5 the same as rotation axis connection.Block the non-axle of piece 4
Point articulated with the biasing of ratchet 3 at the heart, the both sides of ratchet 3 are provided with ratchet 31, and driving plate 1 is articulated with ratchet 3.
The driving of driving plate 1 rotates and can be rotated with pawl 3 around bias point and make the ratchet 31 and ratchet of the side of ratchet 3
5 engagements;The backhaul of driving plate 1, which rotates, to be provided with pawl 3 in bias point backwards rotation, fixed cover 2 for driving
The backhaul of dynamic plate 1 rotates and avoids the special-shaped slot 22 that ratchet 31 engages with ratchet 5 when being not returned to centre position.
It should be noted that Height-adjusting device core members 6, ratchet 5, retardance piece 4, fixed cover 2 and driving plate 1 turn with identical
Moving axis, the rotary shaft can be entity rotary shaft, i.e., can be realized between above-mentioned part by same axial workpiece with rotation
The rotation connection of axle, it is of course also possible to realize connection according to connection order by respective rotating connecting part, such as it is located at spine
The boss for taking turns 5 mesopores can be used for connecing realization rotation connection with the borehole jack of retardance piece 4.It should be noted that due to Height-adjusting device core
Central member 6, ratchet 5, retardance piece 4, fixed cover 2 and driving plate 1 are to rotate coaxially connection, so these parts can be rotating around
The rotation axis connection.
It is conllinear with the axle center of ratchet to block the axle center of piece 4, retardance piece 4 can block piece 4 and set in the axial direction around axis rotation
Among fixed cover 2 and Height-adjusting device core members 6, and block piece 4 and be in the state clamped by fixed cover 2 and Height-adjusting device core members 6,
Therefore the rotation in the circumferential of retardance piece 4 by the two extrude after caused frictional force act on, rotate and blocked.
Bias point on ratchet 3 refers to removing a position corresponding with above-mentioned shaft core position on ratchet 3, bias point and resistance
It is hinged at the non-axle center of stagnant 4, in addition, ratchet 3 is also be hinged with driving plate 1, and two on ratchet 3 are not be hinged coaxial, and
When driving plate 1 is around axis rotation, driving plate 1 can move with pawl 3, but because ratchet 3 is simultaneously also with rotating what is be obstructed
It is be hinged to block piece 4, so, the driving of driving plate 1, which rotates, to be rotated with pawl 3 around bias point, after ratchet 3 rotates, is located at
The ratchet 31 of the side of ratchet 3 engages with the tooth on ratchet 5, so as to which the rotation of driving plate 1 can drive ratchet 5 to rotate, and can be with
The extreme position of unilateral rotation is turned to always.It should be noted that ratchet 3 can only realize the ratchet 31 and ratchet 5 of one side
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 extreme position is rotated to, driving plate 1 carries out backhaul rotation in the presence of the return spring of adjuster.With it is upper
State process analogously, due to blocking the retardation of piece 4, the backhaul rotational band pawl 3 of driving plate 1 inversely turns around bias point
It is dynamic, special-shaped slot 22 is provided with fixed cover 2, special-shaped slot 22 can be limited the formation of ratchet 3, make ratchet 3 around bias point
Movement in and when being not returned to centre position, the ratchet 31 of the both sides of ratchet 3 does not engage with ratchet 5, is drawn so as to avoid ratchet 3
The tooth crossed on ratchet 5 and the noise sent, avoid influenceing the use feeling of client.
It should be noted that centre position is referred in the section that driving plate 1 can rotate relative to fixed cover 2
Centre position.
It should be noted that the special-shaped slot 22 that is provided of the present embodiment can with the limitation of the forming position of ratchet 3 so that
Ratchet 3 will not be rotated in backhaul and engaged with the tooth of ratchet 5 when being not returned to centre position, however, the structure of special-shaped slot 22 can be with
Have a variety of, any special-shaped slot 22 that ratchet 3 can be avoided to be engaged with ratchet 5 belongs to the protection domain of the application.
In bidirectional driving apparatus provided herein, by the way that two ratchets of the prior art are changed into one with double
The ratchet 3 of gemmule tooth 31, and engaged being provided for the limitation ratchet 3 when the backhaul of driving plate 1 rotates in fixed cover 2 with ratchet 5
Special-shaped slot 22, avoid ratchet 3 from disturbing the position of ratchet 5, and avoid the experience sense for the noise effect user that ratchet 3 sends
By.
On the basis of above-described embodiment, retardance piece 4 can specifically include the resistance with Height-adjusting device core members 6 with rotary shaft
Stagnant body, retardance piece body, which is provided with, to be used for biasing point articulated retardance piece boss 41, and retardance piece body is also connected with elasticity
One end of part, elastic component have extension in the axial direction, the other end connection pressure-containing parts of elastic component, pressure-containing parts and fixed cover
2 abut in the axial direction.
It should be noted that the axial direction that the application is previously mentioned refers to the rotary shaft of ratchet 5, block the elastic component of piece 4
There is extension in the axial direction, and block piece 4 and existed in the axial direction by the extruding of fixed cover 2 and Height-adjusting device core members 6, retardance piece 4
Squeezing action on axial direction forms the retardance that retardance piece 4 circumferentially rotates on elastic component and on pressure-containing parts.Corresponding, this
Radial direction in application refers to the radial direction of ratchet 5, that is, perpendicular to above-mentioned axially direction.Similarly, the week in the application
To the circumference for referring both to ratchet 5.
Elastic component is set on retardance piece 4 in the present embodiment, to give the pressure transmission of fixed cover 2 to retardance piece 4, but worked as
When rotatory force is larger, retardance piece 4 also disclosure satisfy that rotatably.
On the basis of above-described embodiment, block and at least two elastic components are arranged with piece 4, and elastic component is on resistance
Stagnant boss 41 connects.Set symmetrical elastic component to can aid in blocking the pressure transmission of piece 4, and can guarantee that pressure simultaneously
Stabilization.
On the basis of any one above-mentioned embodiment, elastic component can be flat spring 43, specifically, flat spring 43
One end connection retardance piece body, the elastic direction of flat spring 43 have extension in the axial direction, the other end connection of flat spring 43
Pressure-containing parts.It is of course also possible to the elastic component for other shapes and structure.
In addition, pressure-containing parts is the convex closure 44 with curved surfaces.In view of pressure-containing parts will be contacted with fixed cover 2 by
Press, and displacement radially is there may be in pressurized process, so, there is the convex closure 44 of curved surfaces and the fixed cover of plane
2 fit system helps to improve fixed cover 2 to blocking the pressure direction of piece 4, avoids retardance from failing.
Optionally, the elastic component of the application and pressure-containing parts are not limited to the above situation, and other contribute to lifting to block
The retardance piece 4 of effect belongs to the protection domain of the application.
On the basis of any one above-mentioned embodiment, ratchet 3 is specifically as follows with the be hinged of driving plate 1:The He of ratchet 3
One of driving plate 1 is provided with through hole 11, and another one is provided with the boss 33 with the coordination hinge of through hole 11, and boss 33 passes through different
Shape groove 22 is connected with through hole 11.
It should be noted that the through hole 11 set in ratchet 3 or driving plate 1 is used for and the coordination hinge of boss 33, and boss
33 realize the connection with through hole 11, the space that can be saved in fixed cover 2 by penetrating in special-shaped slot 22.Certainly, boss 33
It can be realized by other grooves or other structures be hinged with through hole 11.
On the basis of any one above-mentioned embodiment, the side of the close outer rim of fixed cover 2 is arc-shaped side on special-shaped slot 22,
And the camber line depression of arc-shaped side sets prolonging for the oriented edge of fixed cover 2 extension towards the middle part of fixed cover 2 in the both sides of arc-shaped side
Stretch groove.Ratchet 3 is provided with the side boss 34 for being used for being connected in special-shaped slot 22, and the both sides of boss 33 of ratchet 3 are respectively equipped with one
Side boss 34.
Refer to Fig. 2, the outer arcuate on special-shaped slot 22 while while camber line depression towards the middle part of fixed cover 2, and outer arcuate
The both ends on side set circumferentially extending and the extension slot extended to the outer rim of fixed cover 2 respectively.Specifically, special-shaped slot 22 can be sector
Arc groove corresponding to groove and central angle etc..Extension slot can limit the angle of ratchet 3 when the backhaul of ratchet 3 rotates, and avoid spine
The ratchet 31 of pawl 3 is engaged or touched with ratchet 5.
On the basis of any one above-mentioned embodiment, it is provided with fixed cover 2 for being fastened with Height-adjusting device core members 6
Fixed locked part, for ratchet 5, retardance piece 4, ratchet 3 to be wrapped in fixed cover 2 and Height-adjusting device core members 6.
It should be noted that fixed cover 2 needs protection setting at it between 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 by rotatable parts protection wherein.Further, fixed cover 2 is gone back
It can be fixedly connected with Height-adjusting device core members 6, and ensure the reliability of connection.
On the basis of any one above-mentioned embodiment, be provided with driving plate 1 in the axial direction with fixed cover 2 or
The fixture that Height-adjusting device core members 6 are fixed.
The application provide a specific embodiment in, bidirectional driving apparatus include driving plate 1, fixed cover 2, ratchet 3,
Block piece 4 and ratchet 5.
Through hole 11 and three hole flangings 12 are provided with driving plate 1, hole flanging 12 is used to be connected with Height-adjusting device handle.Fixed cover 2
With three bridges 21 and a special-shaped slot 22.There are two sections of boss of ratchet through hole 32, one of ratchet 31, one on ratchet 3
33 and two side boss 34.Blocking piece 4 has 41, retardance piece 42, two symmetrical piece bullets of hole flanging of a retardance piece boss
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 piece 4 falls on the inner surface of ratchet 5, blocks the retardance piece on piece 4
Hole flanging 42 coordinates with the ratchet boss 51 on ratchet 5, and ratchet 3 is arranged on retardance piece 4, the ratchet through hole 32 on ratchet 3 and resistance
Retardance piece boss 41 on stagnant 4 coordinates, and the side ratchet 31 on ratchet 3 does not engage with the tooth of ratchet 5, the end face of fixed cover 2 with
The end face of Height-adjusting device core members 6 coordinates, and blocks the elastic deformation of flat spring 43 on piece 4 and is pressed in the inner surface of fixed cover 2 in advance, blocks on piece
Convex closure 44 keep with the inner surface contact form of fixed cover 2 be circular arc and plane contact, driving plate 1 contacts with the face of fixed cover 2, drive
Through hole 11 on dynamic plate 1 coordinates with the boss 33 on ratchet 3, and the hole flanging 12 in driving plate 1 and the handle of Height-adjusting device core members 6 connect
Connect, appearance profile and three collective effects of bridge 21 in fixed cover 2 of driving plate 1, which play, limits work angle effect.
The driving function process of above-mentioned bidirectional driving apparatus is specific as follows:
The handle of Height-adjusting device core members 6 is pulled, handle drives driving plate 1 to rotate, and the through hole 11 in driving plate 1 passes through ratchet
3 convex platforms 33 with pawl 3 around center axis thereof, meanwhile, block elasticity of the retardance piece boss 41 on piece 4 in flat spring 43
Drag is applied to the ratchet through hole 32 on ratchet 3 under power, so that ratchet 3 produces 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, driving plate 1 rotates 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 piece 4, ratchet 3 is in the tooth abjection hook tooth of engagement side, and opposite side tooth has with ratchet
Engagement trend, but in fixed cover 2 in the presence of special-shaped slot 22, ratchet 3 and ratchet 5 can not be engaged in driving plate 1 returns to
Between position, so the not backhaul of ratchet 5, and so on operate driving plate 1, just obtain the unidirectional interval step-by -step drive of ratchet 5.Operation
When in opposite direction similarly, here is omitted.
Except the bidirectional driving apparatus that above-described embodiment is provided, the present invention also provides one kind and disclosed including above-described embodiment
Bidirectional driving apparatus Height-adjusting device, 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 for including above-mentioned Height-adjusting device, the Height-adjusting device and seat
The structure of other each several parts of chair refer to prior art, repeat no more herein.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The Height-adjusting device to a kind of bidirectional driving apparatus provided by the present invention, with the device and seat have been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
It is bright to be only intended to help the method and its core concept for understanding 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, some improvement and modification, these improvement can also be carried out to the present invention
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of bidirectional driving apparatus for Height-adjusting device, it is characterised in that including ratchet (3), fixed cover (2), retardance piece
(4), for the driving plate (1) being connected with Height-adjusting device handle and the ratchet (5) for being arranged in Height-adjusting device core members (6);Institute
State fixed cover (2) be used for the Height-adjusting device core members (6) extrude in the axial direction it is described retardance piece (4), the driving plate (1),
The fixed cover (2) is with the ratchet (5) the same as rotation axis connection;
Point articulated with the biasing of the ratchet (3) at the non-axle center of the retardance piece (4), the both sides of the ratchet (3) are respectively provided with
There is ratchet (31), the driving plate (1) is articulated with the ratchet (3);
The driving rotation of the driving plate (1) can drive the ratchet (3) to be rotated around the bias point and make the ratchet (3)
The ratchet (31) of side engages with the ratchet (5);The backhaul of the driving plate (1), which rotates, can drive the ratchet
(3) be provided with the bias point backwards rotation, the fixed cover (2) for the driving plate (1) backhaul rotate and
The special-shaped slot (22) for avoiding the ratchet (31) to be engaged with the ratchet (5) when being not returned to centre position.
2. bidirectional driving apparatus according to claim 1, it is characterised in that the retardance piece (4) includes heightening with described
For device core members (6) with the retardance piece body of rotary shaft, the retardance piece body, which is provided with, is used for the resistance point articulated with the biasing
Stagnant boss (41), the retardance piece body are also connected with one end of elastic component, and the elastic component has extension in the axial direction, institute
The other end connection pressure-containing parts of elastic component is stated, the pressure-containing parts abuts in the axial direction with the fixed cover (2).
3. bidirectional driving apparatus according to claim 2, it is characterised in that be arranged with least on the retardance piece (4)
Two elastic components, and the elastic component is symmetrical on the retardance piece boss (41).
4. bidirectional driving apparatus according to claim 3, it is characterised in that the elastic component is flat spring (43), and/or
The 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 the ratchet (3) and described
One of driving plate (1) is provided with through hole (11), and another one is provided with the boss (33) with the through hole (11) coordination hinge,
The boss (33) is connected through the special-shaped slot (22) with the through hole (11).
6. bidirectional driving apparatus according to claim 5, it is characterised in that close to the fixation on the special-shaped slot (22)
The side of lid (2) outer rim be arc-shaped side, and the camber line of the arc-shaped side is recessed the middle part towards the fixed cover (2), in the arc
The both sides on shape side set the extension slot of oriented fixed cover (2) the edge extension;
The ratchet (3), which is provided with, is used to being connected to side boss (34) in the special-shaped slot (22), the ratchet (3) it is described
Boss (33) both sides are respectively equipped with a side boss (34).
7. bidirectional driving apparatus according to claim 6, it is characterised in that be provided with the fixed cover (2) for
The locked part that the Height-adjusting device core members (6) are fastened, for by the ratchet (5), it is described retardance piece (4), the spine
Pawl (3) is wrapped in the fixed cover (2) and the Height-adjusting device core members (6).
8. bidirectional driving apparatus according to claim 7, it is characterised in that be provided with and be used on the driving plate (1)
The fixture fixed with the fixed cover (2) or the Height-adjusting device core members (6) on axial direction.
9. a kind of Height-adjusting device, including bidirectional driving apparatus and Height-adjusting device core members, it is characterised in that the bidirectional driving apparatus is
Bidirectional driving apparatus described in claim 1 to 8 any one.
10. a kind of seat, including Height-adjusting device, it is characterised in that the 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 |
Applications Claiming Priority (1)
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CN110395149B (en) * | 2019-08-30 | 2024-06-25 | 湖北中航精机科技有限公司 | Automobile seat and height adjuster thereof |
CN110395150B (en) * | 2019-08-30 | 2024-06-21 | 湖北中航精机科技有限公司 | Automobile seat and height adjuster thereof |
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US5881854A (en) * | 1996-06-21 | 1999-03-16 | Bertrand Faure Equipements S.A. | Mechanism for controlling a rotary member by means of a pivoting handle, and a seat fitted with such a mechanism |
DE29911207U1 (en) * | 1999-03-24 | 2000-11-02 | Brose Fahrzeugteile Gmbh & Co Kg, 96450 Coburg | Reverse gear |
DE10338305A1 (en) * | 2003-08-15 | 2005-03-03 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Reciprocally working, manual drive for generating a rotary movement, e.g. for vehicle seat, comprises pre-stressed leaf spring which has a projection, and having output wheel with external teeth |
DE20318485U1 (en) * | 2003-11-26 | 2005-04-21 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Reciprocally working drive for motor vehicle seat adjustment has friction element in contact with cylindrical friction surface of internal gear, 2 toothing regions for engaging internal toothing depending on lever deflection direction |
CN101323264A (en) * | 2008-07-14 | 2008-12-17 | 邹耀忠 | Seat height adjuster |
CN205937574U (en) * | 2016-08-19 | 2017-02-08 | 湖北中航精机科技有限公司 | Two -way drive arrangement , heightening apparatus who has device and seat |
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US5881854A (en) * | 1996-06-21 | 1999-03-16 | Bertrand Faure Equipements S.A. | Mechanism for controlling a rotary member by means of a pivoting handle, and a seat fitted with such a mechanism |
DE29911207U1 (en) * | 1999-03-24 | 2000-11-02 | Brose Fahrzeugteile Gmbh & Co Kg, 96450 Coburg | Reverse gear |
DE10338305A1 (en) * | 2003-08-15 | 2005-03-03 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Reciprocally working, manual drive for generating a rotary movement, e.g. for vehicle seat, comprises pre-stressed leaf spring which has a projection, and having output wheel with external teeth |
DE20318485U1 (en) * | 2003-11-26 | 2005-04-21 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Reciprocally working drive for motor vehicle seat adjustment has friction element in contact with cylindrical friction surface of internal gear, 2 toothing regions for engaging internal toothing depending on lever deflection direction |
CN101323264A (en) * | 2008-07-14 | 2008-12-17 | 邹耀忠 | Seat height adjuster |
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