CN207173359U - The continuous recliner of automotive seat - Google Patents
The continuous recliner of automotive seat Download PDFInfo
- Publication number
- CN207173359U CN207173359U CN201721010447.2U CN201721010447U CN207173359U CN 207173359 U CN207173359 U CN 207173359U CN 201721010447 U CN201721010447 U CN 201721010447U CN 207173359 U CN207173359 U CN 207173359U
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- eccentric wheel
- wedge
- wedges
- automotive seat
- actuator
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Abstract
It the utility model is related to a kind of continuous recliner of automotive seat for adjusting seat back angle, the safety component belonged in automotive seat.The utility model is provided with a clearance eliminating mechanism, including eccentric wheel, spring and two wedges, and the mechanism uses two layers up and down, double cam elimination gap;Eccentric wheel window is provided with eccentric wheel, one end of two wedges has wedge breach, the wedge breach is communicated with eccentric wheel window, and wedge is arranged on eccentric wheel with being adapted, and two legs are fixed in wedge breach by eccentric wheel window on spring;When driving wedge, generation friction, rotates eccentric wheel between the wedge and eccentric wheel, sluggish so as to reduce driving, improves integrally-built flexibility during adjusting and eliminates gap.The gap that the utility model can improve in the case of recliner bearing strength and parts depreciation eliminates compensation, and reduces driving sluggishness, and human body driving is more comfortable, and size is small, in light weight, long lifespan.
Description
Technical field
A kind of continuous recliner of automotive seat is the utility model is related to, it is the dress for realizing motor vehicle seat back angular adjustment
Put, belong in automotive seat a safety component.
Background technology
The continuous recliner of automotive seat is that one kind is arranged on automotive seat, realizes that motor vehicle seat back angle is continuous continuously
The part of disconnected regulation.
In the prior art, the continuous recliner of automotive seat mainly uses a differential teeth planetary gear drive principle, mainly have with
Lower two kinds of structures:
A kind of the first structure " automotive seat of differential teeth planetary gear internal messing as disclosed in CN2012101407425
The application for a patent for invention of recliner ", it is to eliminate radial clearance to two wedge tensioners by spring, and it is mainly characterized by:Two
Wedge is located in the die cavity that axle sleeve and hole flanging boss are formed, and wherein wedge side contacts with axle sleeve, opposite side with
Hole flanging boss contacts;Backrest, cushion are connected with recliner internal gear, the boss of outer tooth plate two respectively.Its use when exist with
Lower shortcoming:1st, sluggish sense during recliner commutation regulation be present, especially with motor-driven continuous recliner, backrest from
One direction to opposite direction adjust when, occur backrest regulation reaction it is insensitive, regulation delay situation, people know from experience experiences backrest
The neutral gear phase of regulation, influence human body and drive impression.2nd, above-mentioned recliner durability is inadequate, during spin friction, due to adjusting
Wedge loaded area in the device of angle is limited, and when slight change occurs in size, wedge adapts to eliminate the sky in gap
Between posture it is limited, recliner gap can be caused to eliminate incomplete, bring the series of problems such as seat abnormal sound, shake therewith.
Another structure a kind of as disclosed in CN2009101588607 " seat angle adjustor and its seat with the recliner
The patent of invention of chair ", it is to eliminate radial clearance to a wedge, an eccentric wheel tensioner by spring, and it is mainly characterized by:One
In the die cavity that the hole flanging boss that eccentric wheel and a wedge are located at axle sleeve and internal gear is formed, wedge is placed on cam
Side, formed two layers up and down;Wherein eccentric wheel, wedge side independently contact with axle sleeve, opposite side independently with internal tooth
The hole flanging boss contact of plate, its wedge are placed in above cam, form double-layer structure up and down, axially fitting is closer.Recliner
As a result of integral cam(Eccentric wheel)Gap is eliminated with single wedge, static strength is higher.But it still exists when in use
Described deficiency in above-mentioned CN2012101407425, while also have the following disadvantages:Due to the asymmetric design of use, work as seat
When applying certain load on chair back, when causing actuator difference driving cam and wedge(I.e. forward and reverse when)Torque
Difference is larger, and comfortableness during use is poor.
Utility model content
Technical problem to be solved in the utility model is to overcome the above-mentioned deficiency in the presence of prior art, and provides one
The kind structure design more reasonably continuous recliner of automotive seat, it can preferably disappear on the premise of external diameter is small and in light weight
Except gap and reduce driving/commutation regulation sluggishness, and may also reach up preferable axial compression sealing effectiveness and adjusted in commutation
It can prevent recliner from producing to hit abnormal sound during section.
Technical scheme is used by the utility model solves above-mentioned technical problem:The continuous recliner of the automotive seat includes
Internal gear, outer tooth plate, axle sleeve, bag circle and actuator, it is characterised in that:A clearance eliminating mechanism is additionally provided with, it includes bias
Wheel, spring and two wedges, the mechanism are upper and lower two layers, double-cam structure, and in described axle sleeve;The eccentric wheel
It is made up of high and low two step, the both ends of high step are respectively arranged with the positive stop end being connected, and are provided with low step and bias
Two wedges being adapted are taken turns, two wedges are located between two positive stop ends of high step;
The eccentric wheel is an eccentric semi-circular, eccentric wheel window is provided with semi-circular, the one of two wedge
End has wedge breach, and the wedge breach communicates with described eccentric wheel window, and two legs pass through on the spring
Eccentric wheel window is arranged in two wedge breach;The wedge lower surface of the two wedges actuator boss with actuator respectively
End face is adjacent.
Further, when eccentric wheel described in the utility model is in upper strata, the fixed cam of formation, its contact with axle sleeve
Area is big, can improve recliner bearing strength and axle sleeve abrasion condition under gap eliminate compensation;Lower floor is by two wedges
Movable cam is formed, plays the gap elimination effect under normal operation, now eccentric wheel and two wedges are in axial presence
Space, it can guarantee that the flexibility that wedge rotates.
Further, when eccentric wheel described in the utility model is in lower floor, upper strata forms movable cam by wedge, this
When eccentric wheel be bonded with wedge, can equally improve the bearing strength of recliner and eliminate gap.
Further, the utility model is additionally provided with axial seal structure, and it includes pad, sealing ring and packing ring, described
Pad is enclosed on the tubular boss of outer tooth plate, and is allowed to seal between outer tooth plate and bag circle;Sealing ring contacts with axle sleeve, uses
In the sealing of actuator and shaft room;Packing ring contacts with internal gear, for the sealing between actuator and internal gear.
Further, the utility model is additionally provided with anticollision abnormal sound structure, and it is provided with the end of the actuator
Elastic component, elastic component protrusion actuator raised head face, elastic component first contacts with wedge in motion process, actuator end face with
Contact, play commutation regulation when buffering Noise Reduction.
The utility model compared with prior art, has advantages below and effect:
1st, agent structure mainly uses two layers up and down, double cam elimination interstitial structure, wherein in integral cam:Eccentric wheel can
So that in upper strata, it is big with the contact area of axle sleeve, can improve recliner bearing strength, and the gap in the case of parts depreciation
Eliminate compensation;Lower cam is that movable cam is made up of two wedges, below eccentric wheel, is played under normal operation
Gap elimination effect;Because two wedges are covered on closing space formed below by eccentric wheel, recliner is by under load condition two
The overall posture of wedge can be guaranteed;Simultaneously as two wedges contact with cambered surface special between eccentric wheel, when driving wedge
During shape block, friction is produced between wedge and eccentric wheel, certain power driving eccentric wheel can be provided and rotated, so as to effectively reduce driving
Sluggishness, improve integrally-built flexibility and gap eradicating efficacy during regulation;So seat angle adjustor can bear it is higher
Intensity load, meet the higher impact strength requirement of current vehicle, and seat can be eliminated and use motor-driven continuous angle modulation
Existing sluggish sense during device commutation regulation, human body is driven more comfortable;It is internal meanwhile the durability of seat angle adjustor is improved
Clearance eliminating mechanism part is not easy to wear, situations such as being not in looseness abnormal sound.
2nd, the contact surface of wedge and eccentric wheel uses symmetric design, and two wedges and internal gear boss periphery are not
Contact;Meanwhile the utility model can only two wedges of driving, can also a driving eccentric wheel, and friction-driven be present, therefore can
Effectively reduce driving sluggishness and eliminate the radial clearance of recliner.
3rd, outer tooth plate uses cylindrical structure, clearance eliminating mechanism and its drive component is located in cylindrical structure, and seat is adjusted
Angle device appearance and size is small, in light weight, can meet light-weighted requirement.
4th, using axial compression Seal Design, the better tightness of seat angle adjustor is made, when carrying out surface electrophoretic process,
Paint solution is not easily accessible inside, does not interfere with the normal function of recliner.
In a word, the utility model novel in structural design and more rationally, have that gap is small, regulation is comfortable, reliability is high, strong
Degree is high, the series of advantages such as miniaturization, lightweight.
Brief description of the drawings
Fig. 1 is that overall structure of the present utility model illustrates expanded view.
Fig. 2 is the structural representation in another direction of Fig. 1.
Fig. 3 is the structural representation sectional view after Fig. 1 combinations.
Fig. 4 is the cross section structure diagram of A-A in Fig. 3.
Fig. 5 is that eccentric wheel is located at the structural representation above wedge in the utility model.
Fig. 6 is that eccentric wheel is located at the structural representation below wedge in the utility model.
Fig. 7 is the structural representation of the utility model intermediate gap eliminating machine.
Fig. 8 is Fig. 7 structural representation rearview.
Fig. 9 is Fig. 8 structural representation side view.
Figure 10 is Fig. 8 structural representation top view.
Figure 11 is the mplifying structure schematic diagram at A in Fig. 3.
Figure 12 is the mplifying structure schematic diagram at B in Fig. 4.
Figure 13 is the dimensional structure diagram of actuator in the utility model.
In figure:1 internal gear, 2 outer tooth plates, 3 axle sleeves, 4,5 wedges, 6 eccentric wheels, 7 springs, 8 pads, 9 bag circles, 10 sealings
Ring, 11 actuators, 12 packing rings, 13 Spring Cards, 14 axle sleeve hollow interior spaces, 15 clearance eliminating mechanisms, 16 axial spaces, 17,
18 elastic components, 101 internal gear boss peripheries, circular bottom surface in 102 internal gears, 21 outer tooth plate tubular boss, 31 axle sleeve inner circles,
41st, 51 wedge upper surface, 4a, 5a wedge breach, cambered surface on the outside of 4b, 5b wedge, cambered surface on the inside of 4c, 5c wedge, 4d,
5d wedges lower surface, 6a eccentric wheel windows, 6b eccentric wheel extrados, cambered surface in 6c eccentric wheels, 6d eccentric wheel intrados, 6e,
6g eccentric wheel upper limit planes, 6f, 6h eccentric wheel end face, 61 low steps, 62 high steps, 621,622 positive stop ends, on 623 high steps
Surface, 11a actuator boss, 11b, 11c actuator raised head face, 11d actuator planes.
Embodiment
Referring to Fig. 1-Figure 13, the herein below described in the present embodiment is to the utility model structure example
Explanation;Meanwhile for convenience of understanding, symmetrical part or position use identical title in present specification, but with different
Label be distinguished by.
The utility model mainly includes internal gear 1, outer tooth plate 2, axle sleeve 3, wedge 4,5, eccentric wheel 6, spring 7, pad
8th, bag circle 9, sealing ring 10, actuator 11, packing ring 12 and elastic component 17,18;In use, internal gear 1 connects firmly with backrest, outside
Tooth plate 2 is connected firmly with Chain cushion, and the regulation of pivoted arm progress motor vehicle seat back angle is driven by motor or handwheel.
In the present embodiment, outer tooth plate 2, internal gear 1, axle sleeve 3 define axle sleeve hollow interior space by Y-direction installation
14, wherein outer tooth plate 2 engages with internal gear 1;Outer tooth plate 2 uses cylindrical structure, i.e., the outer ring of outer tooth plate 2 is directly designed to tooth
Shape, inner circle pull into cylindrical structure, make the appearance and size of recliner small, in light weight.
Pad 8 is sleeved on outer tooth plate tubular boss 21, and between outer tooth plate 2 and bag circle 9, bag circle 9 and internal gear 1
Connect firmly.
Axle sleeve 3 is placed in internal gear in circular bottom surface 102, primarily serves lubrication.
Two legs are separately mounted to the wedge of wedge 4, wedge 5 by the eccentric wheel window 6a on eccentric wheel 6 on spring 7
In shape block breach 4a, wedge breach 5a;Spring 7 is located in the axle sleeve hollow interior space 14 of actuator 11 and eccentric wheel 6.
Sealing ring 10 contacts with axle sleeve 3.
The actuator plane 11d of actuator 11 contacts with sealing ring 10, and it is hollow internal empty that actuator boss 11a is placed in axle sleeve
Between 14.
Packing ring 12 contacts with internal gear 1.
Spring Card 13 contacts with packing ring 12, with the clamping of actuator 11 and producing axial compression.
Radially, clearance eliminating mechanism 15 includes:Wedge 4, wedge 5, eccentric wheel 6, spring 7.
Wedge 4, wedge 5, the end face of eccentric wheel 6 contact with circular bottom surface in internal gear 102 respectively;Wedge lateral arcs
Face 4b, 5b contact with axle sleeve inner circle 31 respectively, and cambered surface 4c, 5c then contacts with cambered surface 6c in eccentric wheel respectively on the inside of wedge;
Eccentric wheel intrados 6d is contacted with internal gear boss periphery 101, and gap is matched somebody with somebody between eccentric wheel extrados 6b and axle sleeve inner circle 31
Close.
Wedge lower surface 4d, 5d of wedge 4,5 actuator raised head face 11c, 11b phases with actuator 11 respectively
It is adjacent.
Clearance eliminating mechanism 15 is installed on above-mentioned axle sleeve hollow interior space 14, and the mechanism uses two layers, double cam up and down
Eliminate gap.Referring to Fig. 5, when eccentric wheel 6 is in upper strata, fixed cam is formed, it is big with the contact area of axle sleeve 3, can carry
Gap under the bearing strength and the abrasion condition of axle sleeve 3 of high recliner eliminates compensation;Lower cam is movable cam, by wedge shape
Block 4, wedge 5 form, and play the gap elimination effect under normal operation, now, eccentric wheel 6 and wedge 4, wedge
5 axially have axial space 16, can guarantee that the flexibility that wedge rotates.
And when eccentric wheel 6 is located at wedge 4, below wedge 5 when, referring to Fig. 6, that is to say, that when eccentric wheel 6 is in down
During layer, upper strata forms movable cam by wedge 4, wedge 5, and now eccentric wheel 6 is bonded with wedge 4, wedge 5, equally
Can improve recliner bearing strength and the abrasion condition of axle sleeve 3 under gap eliminate compensation.
When clearance eliminating mechanism 15 moves, wedge 4,5 is tight with the cambered surface of eccentric wheel 6 in the presence of the expanding force of spring 7
Contiguity is touched, when actuator boss 11a drives wedge lower surface 5d, on the inside of wedge in cambered surface 5c and eccentric wheel between cambered surface 6c
Produce frictional force drives eccentric wheel 6 to rotate, at the same time, expanding force caused by spring 7 drives wedge 4 and eccentric wheel 6 along arc
Face contact is further adjacent to, and so as to which clearance eliminating mechanism 15 completes integral-rotation, and then realizes angle regulating function.Instead
It, actuator boss 11a drivings wedge lower surface 4d is similarly set up.
Under the above situation, when recliner is by compared with big load:On the inside of wedge in cambered surface 5c and eccentric wheel between cambered surface 6c
When generation frictional force is not enough to drive the rotation of eccentric wheel 6, wedge 5 produces cambered surface with eccentric wheel 6 and slid, and spring 7 is further pre-
Pressure produces larger expanding force, until wedge lower surface 4d contacts with eccentric wheel upper limit plane 6g, now eccentric wheel 6 is in larger drive
Under dynamic action, clearance eliminating mechanism 15 completes integral-rotation, and then realizes angle regulating function.Conversely, actuator is convex
Platform 11a drivings wedge lower surface 4d is similarly set up.
Assembling of the present utility model is as follows:Axle sleeve 3 is arranged on tight fit in outer tooth plate 2, and outer tooth plate 2 is arranged in tooth plate 1
And engage, an axle sleeve hollow interior space 14 can be formed between axle sleeve inner circle 31 and internal gear boss periphery 101, wedge shape
Block 4,5, eccentric wheel 6 are installed in the axle sleeve hollow interior space 14, and the both ends of spring 7 are mounted in wedge through eccentric wheel 6
4th, in 5 wedge breach 4a, 5a;Sealing ring 10 is outside eccentric wheel 6, and actuator 11 passes through centre bore, its one side spring
Card 13 is fixed, and packing ring 12 is placed between Spring Card 13 and internal gear 1, and is enclosed on outside actuator 11;Bag encloses 9 by internal gear 1, external tooth
The cylinder-packing of plate 2, centre pad 8 seal.
During motion, the utility model is described as follows by taking clockwise movement as an example:Actuator 11 drives wedge 4, wedge 4
Compression spring 7, while using friction belt movable eccentric wheel 6, wedge 5 rotates together in the presence of spring 7, while outer tooth plate 2
The regulation of angle is realized around the engagement rotation of internal gear 1.
Referring to Fig. 7-Figure 10, eccentric wheel 6 is made up of high and low two step, and the both ends of high step 62, which are respectively arranged with, is linked to be one
The positive stop end 621,622 of body, is provided with the wedge 4 and wedge 5 being adapted with eccentric wheel 6 on low step 61, wedge 4,
Wedge 5 is located between the positive stop end 621,622 of high step 62.
Eccentric wheel 6 is an eccentric semi-circular, eccentric wheel window 6a is provided with semi-circular, in wedge 4, wedge 5
One end has wedge breach 4a, 5a, and wedge breach 4a, the 5a communicates with described eccentric wheel window 6a, on spring 7
Two legs are arranged in wedge breach 4a, 5a by eccentric wheel window 6a.
The wedge upper surface 41,51 of wedge 4,5 is substantially flush with the high step upper surface 623 of eccentric wheel 6, eccentric wheel
Extrados 6b is substantially flush with cambered surface 4b, 5b on the outside of wedge, and " basic " mentioned here refers to permit in design and manufacturing process
Perhaps existing error.
In a word, because wedge inner circle center is only internal gear center of circle center, i.e., center lift angle between the two be present.
When exposed to external forces, wedge 4,5 will be bonded even closer and produces friction self-locking with cambered surface 6c in eccentric wheel, namely stress
When wedge 4,5 rapidly can be contacted with cambered surface 6c in eccentric wheel and swelling, so as to effectively eliminate between the radial direction of recliner
Gap.
Similarly, can exist due to center lift angle be present, when driving wedge 4,5 and rub, be more beneficial for eccentric wheel 6 and rotate,
So as to improve the flexibility of operation, reduce sluggishness.
When recliner is by larger external force, because the cylindrical loaded area of eccentric wheel is larger, wedge 4,5 is firmly covered
In lower section/below, effectively improve the integrated carrying intensity of clearance eliminating mechanism 15, reduce the risk of the fracture of wedge 4,5, from
And the intensity of whole recliner is set effectively to be lifted.
Referring to Fig. 1-Fig. 3 and Figure 11, the utility model is provided with axial seal structure, and it includes pad 8, sealing ring
10 and packing ring 12, pad 8 be enclosed on outer tooth plate tubular boss 21, and positioned at outer tooth plate 2 and bag circle 9 between be allowed to seal;Sealing
Ring 10 contacts with axle sleeve 3, for the sealing between actuator 11 and axle sleeve 3;Packing ring 12 contacts with internal gear 1, for actuator 11
With the sealing between internal gear 1.Thus, when carrying out surface electrophoretic process, paint solution is just not easily accessible inside, will not to built-in function
Impact, will not also cause recliner to fail.
Referring to Fig. 1-Fig. 4 and Figure 12-Figure 13, the utility model is provided with anticollision abnormal sound knot during commutation regulation
Structure, it is separately installed with elastic component 17,18 in the end of actuator 11, and the elastic component 17,18 protrudes the actuator of actuator 11
Raised head face 11b, 11c;In motion process, elastic component 17,18 first contacts with wedge 5,4, actuator raised head face 11b, 11c
Contact therewith, serve buffering Noise Reduction;Elastic component 17,18 therein can be plastics, rubber etc..
By foregoing description, those skilled in the art can implement.
The title that the utility model parts are taken can be different, all constructions described according to the utility model patent design,
The equivalent or simple change that feature and principle are done, is included in the protection domain of the utility model patent.
Claims (6)
1. a kind of continuous recliner of automotive seat, including internal gear, outer tooth plate, axle sleeve, bag circle and actuator, it is characterised in that:
A clearance eliminating mechanism is additionally provided with, it includes eccentric wheel, spring and two wedges, and the mechanism is upper and lower two layers, biconvex rolling hitch
Structure, and in described axle sleeve;
The eccentric wheel is made up of high and low two step, and the both ends of high step are respectively arranged with the positive stop end being connected, low step
On be provided with two wedges being adapted with eccentric wheel, two wedges are located between two positive stop ends of high step;
The eccentric wheel is an eccentric semi-circular, and eccentric wheel window is provided with semi-circular, in one end of two wedge point
Wedge breach is not provided with, and the wedge breach communicates with described eccentric wheel window, and two legs pass through bias on the spring
Window is taken turns to be arranged in two wedge breach;
The wedge lower surface of two wedges is adjacent with the actuator raised head face of actuator respectively.
2. the continuous recliner of automotive seat according to claim 1, it is characterised in that:The eccentric wheel, two wedges
End face contacts with circular bottom surface in internal gear respectively, and cambered surface contacts with axle sleeve inner circle respectively on the outside of two wedges, on the inside of two wedges
Cambered surface then contacts with cambered surface in eccentric wheel respectively, and described eccentric wheel intrados contacts with internal gear boss periphery, eccentric wheel
Gap coordinates between extrados and axle sleeve inner circle.
3. the continuous recliner of automotive seat according to claim 1 or 2, it is characterised in that:At described eccentric wheel
In upper strata, fixed cam is formed;Lower floor forms movable cam by wedge, and eccentric wheel and two wedges are in axial Existential Space.
4. the continuous recliner of automotive seat according to claim 1 or 2, it is characterised in that:Described eccentric wheel is in down
Layer, upper strata form movable cam by two wedges, and eccentric wheel is bonded with two wedges.
5. the continuous recliner of automotive seat according to claim 1 or 2, it is characterised in that:It is additionally provided with axial seal knot
Structure, it includes pad, sealing ring and packing ring, and described pad is enclosed on outer tooth plate tubular boss, and is located at outer tooth plate and Bao Quan
Between, sealing ring contacts with axle sleeve, and packing ring contacts with internal gear.
6. the continuous recliner of automotive seat according to claim 1 or 2, it is characterised in that:It is additionally provided with anticollision abnormal sound
Structure, it is separately installed with elastic component in the end of the actuator, elastic component protrusion actuator raised head face.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721010447.2U CN207173359U (en) | 2017-08-14 | 2017-08-14 | The continuous recliner of automotive seat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721010447.2U CN207173359U (en) | 2017-08-14 | 2017-08-14 | The continuous recliner of automotive seat |
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Publication Number | Publication Date |
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CN207173359U true CN207173359U (en) | 2018-04-03 |
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ID=61740702
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CN201721010447.2U Active CN207173359U (en) | 2017-08-14 | 2017-08-14 | The continuous recliner of automotive seat |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113246818A (en) * | 2021-06-17 | 2021-08-13 | 盐城市盛世汽车零部件有限公司 | Regulator of automobile seat |
WO2023221745A1 (en) * | 2022-05-20 | 2023-11-23 | 恺博(常熟)座椅机械部件有限公司 | Anti-electrophoretic liquid infiltration angle adjuster and assembly method therefor |
-
2017
- 2017-08-14 CN CN201721010447.2U patent/CN207173359U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113246818A (en) * | 2021-06-17 | 2021-08-13 | 盐城市盛世汽车零部件有限公司 | Regulator of automobile seat |
WO2023221745A1 (en) * | 2022-05-20 | 2023-11-23 | 恺博(常熟)座椅机械部件有限公司 | Anti-electrophoretic liquid infiltration angle adjuster and assembly method therefor |
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