CN107962987A - A kind of motor vehicle seat back adjustment structure - Google Patents
A kind of motor vehicle seat back adjustment structure Download PDFInfo
- Publication number
- CN107962987A CN107962987A CN201711319010.1A CN201711319010A CN107962987A CN 107962987 A CN107962987 A CN 107962987A CN 201711319010 A CN201711319010 A CN 201711319010A CN 107962987 A CN107962987 A CN 107962987A
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- China
- Prior art keywords
- pin shaft
- hole
- connecting plate
- lower connecting
- upper junction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/224—Stepwise movement mechanisms, e.g. ratchets
-
- 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
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2245—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable provided with a lock mechanism on the upper part of the back-rest
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- 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
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
- B60N2/2352—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with external pawls
-
- 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
- B60N2/68—Seat frames
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
A kind of motor vehicle seat back adjustment structure, including upper junction plate, tripper and lower connecting plate；Main pin, the first fixed pin shaft, active pin shaft, the second fixed pin shaft, spacing pawl are installed on upper junction plate；Upper junction plate and lower connecting plate are rotatably coupled by main pin；Lower connecting plate is equipped with pilot hole, the long lumbar hole with the concyclic heart of main pin for being used to install main pin, and long lumbar hole is externally provided with adjusts tooth and locking teeth with the gear of the concyclic heart of main pin；Scroll spring stent is installed on lower connecting plate, scroll spring is installed on stent.This structure can realize multi-gear adjustment, and simple in structure, and reliability is high, and cost is relatively low.
Description
Technical field
The present invention relates to a kind of automotive fittings field, more particularly to a kind of motor vehicle seat back adjustment structure.
Background technology
With the development of auto industry and the application of new technology and the raising of living standards of the people, automobile has stepped into thousand
Ten thousand families, become essential walking-replacing tool.Global Auto market production and marketing in 2016 reaches 9497.66 ten thousand, wherein Chinese vapour
Car volume of production and marketing has then exceeded 28,000,000, occupies within continuous 8 years the whole world first.With the growth of automobile production and marketing, the competition in market
It is increasingly fierce.
Automotive seat is the significant components of automotive trim, carries support occupant and provides the critical function of safeguard protection.
Comfort and the good seat of feature can help vehicle to occupy catbird seat in market competition.Pass in and out and protect in order to facilitate occupant
Hinder the storage space of boot bigger, folding backrest upset is the necessary functions of automotive seat, and realizes seat folded turnover
Core component is backrest adjustment structure.
Upper seat back adjustment structure in market mainly has two kinds of structures at present：
1st, controlled using recliner, as patent CN201621013758.X discloses a kind of Novel car seat backrest, this
Kind construction machine intensity is high, can realize the function of multi-gear adjustment, but structure is complex, and production cost is higher；
2nd, controlled using connecting plate, dress is adjusted as patent CN201410199327.6 discloses a kind of motor vehicle seat back
Put, the regulating device apparatus structure of this type is relatively easy, but mechanical strength is low, and can not realize multi-gear adjustment function.
The content of the invention
The object of the present invention is to provide a kind of motor vehicle seat back adjustment structure, which realizes multi-gear adjustment, structure letter
It is single.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：A kind of motor vehicle seat back adjusts knot
Structure, the support adjustment structure include upper junction plate, tripper, unlock drag-line and lower connecting plate, lower connecting plate and automotive seats
The cushion skeleton of chair is connected to a fixed, and the lower end of upper junction plate is hinged on lower connecting plate, and upper end and automotive seat lean on spine
Frame is connected to a fixed, and the tripper is arranged on the top of backrest frames, and the one end for unlocking drag-line is connected with tripper
Connect, unlock drag-line action is controlled by tripper, the other end is arranged on upper junction plate after running through backrest frames, the upper company
Fishplate bar has relative to lower connecting plate under tripper, unlock drag-line and external force effect and locks and rotate two states, on
Connecting plate can drive backrest frames to rotate synchronously in rotation process, and backrest is adjusted with this.
Preferably, main pin, the first fixed pin shaft, active pin shaft, the second fixed pin shaft are installed on the upper junction plate
With spacing pawl, upper junction plate is additionally provided with short waist hole；
The first fixed pin shaft outer sheath is equipped with (the first back-moving spring, and one end of first fixed pin shaft is installed in upper
On first pin shaft hole of connecting plate, the other end is installed on baffle；
One end of the active pin shaft is axis pin boss, and the axis pin boss is installed in the short waist hole of upper junction plate, institute
The diameter for stating axis pin boss is more than short waist hole；The active pin shaft other end passes through detent recess, front swing arm aperture and baffle, so
Coordinate afterwards with Cable head through hole；
One end of second fixed pin shaft is installed on baffle through pawl through hole, the second pin shaft hole, the other end；
The resetting spring is installed on the first fixed pin shaft, and one end coordinates with active pin shaft, the gear of the other end and baffle
Plate groove connects；
One end of the front swing arm is equipped with the front swing arm aperture for installation activity axis pin；The other end, which is equipped with, to be used to pacify
Fill the front swing arm macropore of the first fixed pin shaft；
The spacing pawl is equipped with pawl through hole and detent recess；One end of the spacing pawl is equipped with spacing spine
Tooth；Active pin shaft is equipped with the detent recess；
The upper junction plate and lower connecting plate are rotatably coupled by main pin；
The lower connecting plate is equipped with pilot hole, the long lumbar hole with the concyclic heart of main pin for being used to install main pin；The length
Waist hole is externally provided with adjusts tooth and locking teeth with the gear of the concyclic heart of pilot hole；
The gear adjusts tooth and locking teeth is on same circumference；The gear adjusting tooth is at least four and is in circular arc
Arrangement；So that this motor vehicle seat back adjustment structure, which at least has four, uses gear；
When gear, which adjusts tooth, to intermesh with the spacing ratchet on spacing pawl, this motor vehicle seat back is in and uses shape
State；
When the spacing ratchet on locking teeth and spacing pawl intermeshes, this motor vehicle seat back is in the lock state,
Backrest is collapsed state at this time；
Scroll spring stent is installed on the lower connecting plate；Scroll spring is installed on the scroll spring stent；Institute
The one end for stating scroll spring is connected with the 5th fixed pin shaft, and the other end is fixed on scroll spring stent；
5th fixed pin shaft passes through long lumbar hole, the 5th pin shaft hole of upper junction plate of lower connecting plate；
The lower connecting plate is equipped with the 4th pin shaft hole for being used for installing the 4th fixed pin shaft；
One end of 4th axis pin is installed on lower connecting plate, the other end and the rear-swing arm groove phase interworking on rear-swing arm
Close；
Wherein one end of the rear-swing arm is equipped with the through hole coordinated with active pin shaft, and centre is equipped with matches somebody with somebody with the 3rd fixed pin shaft
The through hole of conjunction, other end are equipped with the rear-swing arm groove for being used for accommodating the 4th fixed pin shaft；The quantity of rear-swing arm groove is with making
It is consistent with numbers of gear steps；
Second back-moving spring is installed, one end of second back-moving spring is installed on rear-swing arm on the 3rd fixed pin shaft
On, the other end is installed on lower connecting plate；
The tripper includes unlock attacker and conciliates lock support, and the lower end of the unlock attacker is connected with unlock drag-line；
The unlock attacker is installed on solution lock support, and the solution lock support is installed on backrest frames；
One end that the unlock drag-line is arranged on upper junction plate is equipped with Cable head, and the Cable head, which is equipped with, to be used to accommodate work
The Cable head through hole of dynamic axis pin.
Preferably, the support adjustment structure further includes backrest frames and cushion skeleton, and the upper junction plate passes through upper
Installation bolt is connected with backrest frames in skeleton through hole；The lower connecting plate passes through installation bolt and skeleton in lower skeleton through hole
Connecting plate connects, and skeleton connecting plate is connected with cushion skeleton.
Preferably, one end of the 4th fixed pin shaft be installed on lower connecting plate on the 4th pin shaft hole in, the other end with
Rear-swing arm groove on rear-swing arm cooperates.
Preferably, the adjusting of drag-line level-one is additionally provided with described Cable head one end, there is the upper junction plate drag-line to fix branch
Frame, the drag-line level-one are adjusted and are fixed on drag-line fixing bracket.
Compared with prior art, the invention has the advantages that：
1) present invention can realize multi-gear adjustment, and simple in structure, and reliability is high, and cost is relatively low.
2) present invention is adapted to most of chair frameworks on the market, leads to by varying the structure of upper junction plate and lower connecting plate
It is good with property.
Brief description of the drawings
Fig. 1 is the structure chart of the assembling of motor vehicle seat back adjustment structure of the present invention on the seat；
Fig. 2 is that motor vehicle seat back adjustment structure of the present invention removes the structure chart after baffle and chair framework；
Fig. 3 is the inside structure figure of motor vehicle seat back adjustment structure of the present invention；
Fig. 4 is the upper junction plate of motor vehicle seat back adjustment structure of the present invention and the explosive view of part；
Fig. 5 is the structure diagram of the upper and lower connecting plate part of motor vehicle seat back adjustment structure of the present invention；
Fig. 6 is the lower connecting plate structure diagram of motor vehicle seat back adjustment structure of the present invention.
In figure：1 backrest frames；2- upper junction plates；The short waist holes of 201-；202- upper skeleton through holes；203- drag-line fixing brackets；
The first pin shaft holes of 204-；The second pin shaft holes of 205-；206- upper junction plate stub shaft mounting holes；The 5th pin shaft holes of 207-；3- is unlocked
Device；4- unlocks drag-line；401- drag-lines level-one is adjusted；402- adjusts drag-line；403- Cable heads；4031- Cable head through holes；5- is sat
Pad skeleton；6- lower connecting plates；601- gears adjust tooth；602- long lumbar holes；603- pilot holes；604- locking teeths；605- lower skeletons
Through hole；7- main pins；8- baffles；801- blind recess；The first fixed pin shafts of 9-；10- active pin shafts；1001- axis pin boss；
The second fixed pin shafts of 11-；12- (the first back-moving springs；13- front swing arms；The spacing pawls of 14-；The spacing ratchets of 1401-；1402- pawls
Through hole；1403- detent recess；15- second back-moving springs；The 3rd fixed pin shafts of 16-；17- rear-swing arms；1701- rear-swing arm grooves；
The 4th fixed pin shafts of 18-；The 5th fixed pin shafts of 19-；20- scroll springs；21- unlocks attacker；22- solves lock support；23- scrollwork bullets
Spring bracket；24- skeleton connecting plates.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be more
Good understanding is of the invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figures 1 to 6, motor vehicle seat back adjustment structure of the present invention, including backrest frames 1, upper junction plate 2, solution
Locking device 3, unlock drag-line 4, cushion skeleton 5, lower connecting plate 6；
Lower connecting plate 6 and the cushion skeleton 5 of automotive seat are connected to a fixed, and the lower end of upper junction plate 2 is hinged on lower connection
On plate 6, the backrest frames 1 of upper end and automotive seat are connected to a fixed, and the tripper 3 is arranged on the top of backrest frames 1
End, one end of unlock drag-line 4 are connected with tripper 3, control unlock drag-line 4 to act by tripper 3, and the other end, which runs through, to be leaned on
It is arranged on after spine frame 1 on upper junction plate 2, the upper junction plate 2 is in tripper 3, unlock drag-line 4 and external force effect
Under, have relative to lower connecting plate 6 and lock and rotate two states, upper junction plate 2 can be driven by spine in rotation process
Frame 1 rotates synchronously, and backrest is adjusted with this.
Upper junction plate 2 by upper skeleton through hole 202 installation bolt be connected with backrest frames 1；Lower connecting plate 6 by
Installation bolt is connected with skeleton connecting plate 24 in lower skeleton through hole 605, and skeleton connecting plate 24 is connected with cushion skeleton 5.
Main pin 7, the first fixed pin shaft 9, active pin shaft 10, the second fixed pin shaft 11 are installed on upper junction plate 2, it is spacing
Pawl 14；Upper junction plate 2 is equipped with the upper junction plate stub shaft mounting hole 206 for being used for installing main pin 7；
First fixed pin shaft, 9 outer sheath is equipped with (the first back-moving spring 12, and one end of the first fixed pin shaft 9 is installed on upper connection
On first pin shaft hole 204 of plate 2, the other end is installed on baffle 8；
One end of active pin shaft 10 is axis pin boss 1001, and axis pin boss 1001 is installed on the short waist hole 201 of upper junction plate 2
Interior, the diameter of axis pin boss 1001 is more than short waist hole 201；10 other end of active pin shaft is small through detent recess 1403, front swing arm
Hole 1302, baffle 8, finally on Cable head through hole 4031；
The range of movement of active pin shaft 10 is limited in short waist hole 201, drives spacing pawl 14 and front swing arm 13, rear-swing arm
17 movements；
One end of second fixed pin shaft 11 is installed on gear through pawl through hole 1402, the second pin shaft hole 205, the then other end
On plate 8；
Resetting spring 12 is installed on the first fixed pin shaft 9, on one end and active pin shaft 10, the gear of the other end and baffle 8
Plate groove 801 connects；
One end of front swing arm 13 is equipped with the front swing arm aperture 1032 for installation activity axis pin 10, and the other end, which is equipped with, to be used
In the front swing arm macropore 1031 for installing the first fixed pin shaft 9；
Spacing pawl 14 is equipped with pawl through hole 1402 and detent recess 1403, and one end of spacing pawl 14 is equipped with spacing
Ratchet 1401, detent recess 1403 is interior to be equipped with active pin shaft 10；
Upper junction plate 2 and lower connecting plate 6 are rotatably coupled by main pin 7；
Lower connecting plate 6 is equipped with pilot hole 603, the long lumbar hole 602 with the 7 concyclic heart of main pin for being used to install main pin 7, long
Waist hole 602 is externally provided with adjusts tooth 601 and locking teeth 604 with being equipped with the gear of the 7 concyclic heart of main pin；
Gear adjusts tooth 601 and locking teeth 604 is on same circumference, and gear adjusts tooth 601 as four and arranged in circular arc
Cloth, i.e. five grooves so that this motor vehicle seat back adjustment structure has four and uses gear；
When gear, which adjusts tooth 601, to intermesh with the spacing ratchet 1401 on spacing pawl 14, this motor vehicle seat back
In use state；
When the spacing ratchet 1401 on locking teeth 604 and spacing pawl 14 intermeshes, this motor vehicle seat back is in
Collapsed state.
Scroll spring stent 23 is installed on lower connecting plate 6, scroll spring 20 is installed on scroll spring stent 23.Scrollwork
One end of spring 20 is connected with the 5th fixed pin shaft 19, and the other end is fixed on scroll spring stent 23；
The long lumbar hole 602 of 5th fixed pin shaft 19 through lower connecting plate 6 is installed on the 5th pin shaft hole 207 of upper junction plate 2
On；
Lower connecting plate 6 is equipped with the 4th pin shaft hole 606 for being used for installing the 4th fixed pin shaft 18；
One end of 4th axis pin 18 is installed in the 4th pin shaft hole 606 on lower connecting plate 6, on the other end and rear-swing arm 17
Rear-swing arm groove 1701 cooperate；
Wherein one end of rear-swing arm 17 is equipped with the through hole for installation activity axis pin 10, and centre is equipped with and the 3rd fixed pin shaft
16 through holes coordinated, other end are equipped with the rear-swing arm groove 1701 for being used for accommodating the 4th fixed pin shaft 18, rear-swing arm groove
1701 quantity is four；
Second back-moving spring 15 is installed, one end of second back-moving spring 15 is installed on rear-swing arm on the 3rd fixed pin shaft 16
On 8, the other end is installed on lower connecting plate 6；
Tripper 3 includes unlock attacker 21 and conciliates lock support 22, and the lower end for unlocking attacker 21 is connected with unlock drag-line 4；
Unlock attacker 21 to be installed on solution lock support 22, solution lock support 22 is installed on backrest frames 1.
One end and the tripper 3 of drag-line 4 are unlocked, the other end is equipped with Cable head 403, and Cable head 403, which is equipped with, to be used to hold
Receive 10 Cable head through hole 4031 of active pin shaft；Drag-line level-one is additionally provided with 403 one end of Cable head and adjusts 401；Drag-line level-one is adjusted
401 are fixed on the drag-line fixing bracket 203 of upper junction plate 2.
The operation principle of the present invention is as follows：
As shown in Fig. 2, when this structure is located at first using gear, on the outside, the spacing ratchet 1401 of spacing pawl 14
Tooth 601 is adjusted with most preceding gear to engage；In inner side, the rear-swing arm that the 4th fixed pin shaft 18 is located at the bottom of rear-swing arm 17 is recessed
In groove 1701；
When needs, which are adjusted backwards or forwards, uses gear to another, unlock attacker 21 is pulled first, by unlock
The conduction of drag-line 4, dragging active pin shaft 10 move upwards in short waist hole 201, and active pin shaft 10 drives spacing pawl 14 around second
Fixed pin shaft 11 rotates, and rear-swing arm 17 is rotated around the 3rd fixed pin shaft 16；Spacing ratchet 1401 adjusts tooth 601 with gear and separates,
Rear-swing arm groove 1701 is separated with the 4th fixed pin shaft 18；The (the first back-moving spring 12 being installed at this time on the first fixed pin shaft 9
Compressed, the second back-moving spring 15 on the 3rd fixed pin shaft 16 is also compressed；
After adjusting to required use gear, unlock attacker 21 is unclamped, (the first back-moving spring 12 and second resets bullet
Spring 15 resets so that active pin shaft 10 moves downward, and drives other parts to reset, and spacing ratchet 1401 adjusts tooth 601 with gear
Again engage, the 4th fixed pin shaft 18 is located in another rear-swing arm groove 1701；
When structure is needed from when being adjusted to the whole collapsed forward of backrest in locking gear using gear, operation principle is with adjusting
Gear is similar；Difference lies in the position for needing forward to turn to backrest spacing ratchet 1401 and being engaged with locking teeth 604, at this time after
Swing arm 17 is separated with the 4th fixed pin shaft 18.
It is adjusted to use gear when from locking gear, it is consistent with being adjusted to locking gear position operation using gear.
Scroll spring 20 on lower connecting plate 6, when locking gear in the state that do not stress, in any one
It is stress using being compressed during gear, there is provided the moment of torsion of rotation (clockwise) forward.
The lower skeleton through hole 605 on upper skeleton through hole 202 and lower connecting plate 6 on upper junction plate 2 is used for and chair framework
Installation, include but not limited in hole using bolt, rivet, axis pin, meet relevant criterion as long as firmly installing, skeleton connects
Fishplate bar 24 is useful in that the connection of lower connecting plate 6 and cushion skeleton 5.
The above embodiment of the present invention is not limiting the scope of the present invention, and embodiments of the present invention are not limited to
This, all this kind the above according to the present invention, according to the ordinary technical knowledge and customary means of this area, is not departing from this
Under the premise of inventing above-mentioned basic fundamental thought, modification, replacement or the change of the other diversified forms made to said structure of the present invention
More, should all fall within the scope and spirit of the invention.
Claims (5)
- A kind of 1. motor vehicle seat back adjustment structure, it is characterised in that：The support adjustment structure includes upper junction plate (2), solution Locking device (3), unlock drag-line (4) and lower connecting plate (6), lower connecting plate (6) and the cushion skeleton (5) of automotive seat are fixedly linked Connect, the lower end of upper junction plate (2) is hinged on lower connecting plate (6), and the backrest frames (1) of upper end and automotive seat are fixedly linked Connect, the tripper (3) is arranged on the top of backrest frames (1), one end of unlock drag-line (4) and tripper (3) phase Connection, controls unlock drag-line (4) action, the other end is arranged on upper junction plate after running through backrest frames (1) by tripper (3) (2) on, the upper junction plate (2) is under tripper (3), unlock drag-line (4) and external force effect, relative to lower connecting plate (6) having and lock and rotate two states, upper junction plate (2) can drive backrest frames (1) to rotate synchronously in rotation process, Backrest is adjusted with this.
- 2. motor vehicle seat back adjustment structure according to claim 1, it is characterised in that：Pacify on the upper junction plate (2) Equipped with main pin (7), the first fixed pin shaft (9), active pin shaft (10), the second fixed pin shaft (11) and spacing pawl (14), on Connecting plate (2) is additionally provided with short waist hole (201)；First fixed pin shaft (9) outer sheath is equipped with (the first back-moving spring (12), one end peace of first fixed pin shaft (9) On the first pin shaft hole (204) of upper junction plate (2), the other end is installed on baffle (8)；One end of the active pin shaft (10) is axis pin boss (1001), and the axis pin boss (1001) is installed on upper junction plate (2) in short waist hole (201), the diameter of the axis pin boss (1001) is more than short waist hole (201)；The active pin shaft (10) is another One end passes through detent recess (1403), front swing arm aperture (1302) and baffle (8), then coordinates with Cable head through hole (4031)；Through pawl through hole (1402), the second pin shaft hole (205), the other end is installed on for one end of second fixed pin shaft (11) On baffle (8)；The resetting spring (12) is installed on the first fixed pin shaft (9), and one end coordinates with active pin shaft (10), the other end and gear Blind recess (801) connection of plate (8)；One end of the front swing arm (13) is equipped with the front swing arm aperture (1032) for installation activity axis pin (10)；On the other end Equipped with the front swing arm macropore (1031) for installing the first fixed pin shaft (9)；The spacing pawl (14) is equipped with pawl through hole (1402) and detent recess (1403)；The one of the spacing pawl (14) End is equipped with spacing ratchet (1401)；Active pin shaft (10) is equipped with the detent recess (1403)；The upper junction plate (2) and lower connecting plate (6) are rotatably coupled by main pin (7)；The lower connecting plate (6) is equipped with pilot hole (603), the long waist with main pin (7) concyclic heart for being used to install main pin (7) Hole (602)；The long lumbar hole (602) is externally provided with adjusts tooth (601) and locking teeth with the gear of pilot hole (603) concyclic heart (604)；The gear adjusts tooth (601) and locking teeth (604) is on same circumference；The gear adjusts tooth (601) and is at least Four and in circular arc arrange；So that this motor vehicle seat back adjustment structure, which at least has four, uses gear；When gear, which adjusts tooth (601), to intermesh with the spacing ratchet (1401) on spacing pawl (14), this automotive seat leans on The back of the body is in use state；When the spacing ratchet (1401) on locking teeth (604) and spacing pawl (14) intermeshes, this motor vehicle seat back place In lock-out state, backrest is collapsed state at this time；Scroll spring stent (23) is installed on the lower connecting plate (6)；Scrollwork is installed on the scroll spring stent (23) Spring (20)；One end of the scroll spring (20) is connected with the 5th fixed pin shaft (19), and the other end is fixed on scroll spring branch On frame (23)；5th fixed pin shaft (19) passes through long lumbar hole (602), the 5th pin shaft hole of upper junction plate (2) of lower connecting plate (6) (207)；The lower connecting plate (6) is equipped with the 4th pin shaft hole (606) for being used for installing the 4th fixed pin shaft (18)；One end of 4th axis pin (18) is installed on lower connecting plate (6), and the other end and the rear-swing arm on rear-swing arm (17) are recessed Groove (1701) cooperates；Wherein one end of the rear-swing arm (17) is equipped with the through hole coordinated with active pin shaft (10), and centre is equipped with and the 3rd fixed pin The through hole that axis (16) coordinates, other end are equipped with the rear-swing arm groove (1701) for being used for accommodating the 4th fixed pin shaft (18)；Afterwards The quantity of swing arm groove (1701) is consistent with using numbers of gear steps；Second back-moving spring (15) is installed, one end of second back-moving spring (15) is installed on the 3rd fixed pin shaft (16) On rear-swing arm (8), the other end is installed on lower connecting plate (6)；The tripper (3) includes unlock attacker (21) and conciliates lock support (22), the lower end of the unlock attacker (21) and solution Lock drag-line (4) connection；The unlock attacker (21) is installed on solution lock support (22), and the solution lock support (22) is installed on backrest On skeleton (1)；One end that the unlock drag-line (4) is arranged on upper junction plate (2) is equipped with Cable head (403), is set on the Cable head (403) It is useful for accommodating the Cable head through hole (4031) of active pin shaft (10).
- 3. motor vehicle seat back adjustment structure according to claim 2, it is characterised in that：The support adjustment structure is also wrapped Include backrest frames (1) and cushion skeleton (5), the upper junction plate (2) by upper skeleton through hole (202) interior installation bolt with leaning on Spine frame (1) connects；The lower connecting plate (6) passes through in lower skeleton through hole (605) interior installation bolt and skeleton connecting plate (24) Connection, skeleton connecting plate (24) are connected with cushion skeleton (5).
- 4. motor vehicle seat back adjustment structure according to claim 2, it is characterised in that：4th fixed pin shaft (18) One end be installed in the 4th pin shaft hole (606) on lower connecting plate (6), the rear-swing arm groove on the other end and rear-swing arm (17) (1701) cooperate.
- 5. according to claim 2 to 4 any one of them motor vehicle seat back adjustment structure, it is characterised in that：The Cable head (403) drag-line level-one is additionally provided with one end and adjusts (401), the upper junction plate (2) has drag-line fixing bracket (203), described Drag-line level-one adjusts (401) and is fixed on drag-line fixing bracket (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319010.1A CN107962987B (en) | 2017-12-12 | 2017-12-12 | Car seat back adjusts structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711319010.1A CN107962987B (en) | 2017-12-12 | 2017-12-12 | Car seat back adjusts structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107962987A true CN107962987A (en) | 2018-04-27 |
| CN107962987B CN107962987B (en) | 2023-07-21 |
Family
ID=61995329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711319010.1A Active CN107962987B (en) | 2017-12-12 | 2017-12-12 | Car seat back adjusts structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN107962987B (en) |
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| CN110329122A (en) * | 2019-07-19 | 2019-10-15 | 浙江天成自控股份有限公司 | The quick laying down mechanism of automotive seat |
| CN110393648A (en) * | 2019-08-08 | 2019-11-01 | 郑州大学第一附属医院 | A kind of folding medichair |
| CN110539672A (en) * | 2019-09-20 | 2019-12-06 | 延锋安道拓座椅有限公司 | Motor-driven unlocking turnover mechanism |
| CN110893801A (en) * | 2018-09-13 | 2020-03-20 | 李尔公司 | Seating unit with a seat back that can be tilted backwards |
| CN114950801A (en) * | 2022-05-23 | 2022-08-30 | 重山风力设备(连云港)有限公司 | Automatic paint spraying system |
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| CN110893801A (en) * | 2018-09-13 | 2020-03-20 | 李尔公司 | Seating unit with a seat back that can be tilted backwards |
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| CN114950801B (en) * | 2022-05-23 | 2024-03-08 | 重山风力设备(连云港)有限公司 | Automatic paint spraying system |
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