CN108501780B - A kind of automotive seat anti-whip structure - Google Patents
A kind of automotive seat anti-whip structure Download PDFInfo
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- CN108501780B CN108501780B CN201810403664.0A CN201810403664A CN108501780B CN 108501780 B CN108501780 B CN 108501780B CN 201810403664 A CN201810403664 A CN 201810403664A CN 108501780 B CN108501780 B CN 108501780B
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- fixed part
- spring
- automotive seat
- whip
- whip structure
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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
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
- B60N2/42—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles the seat constructed to protect the occupant from the effect of abnormal g-forces, e.g. crash or safety seats
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- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
- Seats For Vehicles (AREA)
Abstract
The present invention provides a kind of automotive seat anti-whip structures, belong to technical field of vehicle safety.It solves the problems, such as that existing anti-whip infrastructure cost height and comfort are poor.This automotive seat anti-whip structure, seat includes backrest, two sides inside backrest all have support frame, anti-whip structure includes several springs and several fixing grooves of setting on the support frame, fixing groove includes the first fixed part positioned at both ends and the second fixed part between two the first fixed parts, there is crushed portion between first fixed part and the second fixed part, the both ends of spring, which are threaded through respectively in two the first fixed parts of corresponding fixing groove, is fixed on spring between two support frames, when spring by automobile in the front-back direction active force be more than setting power when, the both ends of spring can cross crushed portion from the first fixed part and enter in the second fixed part.This automotive seat anti-whip structure has the advantages that at low cost and comfort is good.
Description
Technical field
The invention belongs to technical field of vehicle safety, are related to a kind of automotive seat anti-whip structure.
Background technique
With flourishing for automobile industry, car ownership is continuously increased, and automobile collision accident is also presented therewith to be risen
Trend.The collision of automobile all can cause whiplash injury to occupant, and in rear-end impact, cervical vertebra whips the extent of damage and probability the most
Seriously, the front truck to be knocked into the back will push the trunk of occupant forward by a forward acceleration, seat, but occupant's head distance
Headrest has certain interval, which causes head movement to lag, and this lag makes the neck of occupant swing back until reaching capacity, so
Occiput is got rid of forwards just as the tip of a whip by cervical vertebra acceleration, this leads to the whiplash injury of cervical spine injury.
For the problem present on, people make miscellaneous improvement, and some has also applied for patent, such as China is specially
Sharp documents and materials disclose seat energy-absorbing anti-whiplash system [application number: 201120437780.8；Authorization Notice No.:
CN202345441U], it is that the rear lower of seat is provided with a lower cross plate, the both ends of the lower cross plate are separately fixed at seat
Two sides, the waist support of seat is fixed on the top of lower cross plate below, and the intermediate position of lower cross plate is with multiple vertical folds.
The seat energy-absorbing anti-whiplash system of this kind of structure, Folding Deformation absorb and shift subsequent Impact energy, Jin Erbao
Occupant on guard housing chair avoids by the injury whipped.But the seat energy-absorbing anti-whiplash system of this kind of structure, backrest it is rear under
Portion is provided with a lower cross plate, and the lower cross plate volume is big, and has fixed mechanism up and down, causes backrest structure larger, under
Transverse slat occupies larger space in backrest, causes comfort poor；And waist support is set in backrest, it increases turnover mechanism, draw
The structures such as rope, shaft, spring, bracket, lead to that seat is at high cost, weight is big.
Summary of the invention
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, a kind of automotive seat anti-whip knot is proposed
The technical issues of structure, solution is how to make that seat anti-whip system cost is low, comfort is good.
Object of the invention can be realized by the following technical scheme: a kind of automotive seat anti-whip structure, seat include
Backrest, the two sides inside the backrest all have support frame, which is characterized in that the anti-whip structure include several springs and
Several fixing grooves of setting on the support frame, the fixing groove include positioned at first fixed part at both ends and positioned at two first
The second fixed part between fixed part, between first fixed part and the second fixed part have crushed portion, the two of the spring
End, which is threaded through respectively in two the first fixed parts of corresponding fixing groove, is fixed on spring between two support frames, when spring is by vapour
Vehicle in the front-back direction active force be more than setting power when, the both ends of the spring can cross crushed portion from the first fixed part and enter
In second fixed part.
Under automobile normal condition, the both ends of spring are threaded through respectively in two the first fixed parts of corresponding fixing groove, conquassation
Barrier is played the role of in portion, enter the both ends of spring will not in the second fixed part, and seat occupants back squeezes backrest, spring
It elongates and increases backrest and seat occupants back's contact area, promote riding comfort.When rear-end impact occurs for automobile, occupant's back
Portion squeezes backrest, and spring elongation makes trunk not move forward in the first time of collision, and trunk and head move back,
The acceleration reduced between trunk and head is poor；When the extruding force that spring is subject to is more than the power of setting, the both ends of spring are from first
Fixed part is crossed crushed portion and is entered in the second fixed part, to make the length (bullet of the spring between two support frames
Length under spring normal condition), the amount of tension of spring becomes larger, to buffer seat occupants back, the acceleration of occupant's trunk is reduced, into
One step reduces the relative acceleration difference of trunk and head, moves synchronously trunk and head, to reduce the whiplash injury of occupant
Evil.This anti-whip structure only needs to output fixing groove in support frame for fixed spring, without increasing additional zero
Part, it is easy to process, it is at low cost, it is light-weight.
In a kind of above-mentioned automotive seat anti-whip structure, the inside of the outer end of first fixed part far from crushed portion
Wall is arc-shaped, and two inner sidewalls of first fixed part close to the inner end of crushed portion are linearly, and first fixed part
The distance between two inner sidewalls of inner end are gradually reduced by the first fixed part towards the second fixed part direction.First fixed part outer end
The arc-shaped shape of steel wire with production spring of inner sidewall matches, and makes spring in elongation and contraction, spring there is no with
The problem of support frame mutual frictional grip, noise will not occur, improve the comfort of seating；The inner end of first fixed part, which is played, leads
To effect, automobile occur rear-end impact when, guarantee that the both ends of spring are moved to crushed portion along the inner end of the first fixed part
Place enables anti-whip structure timely to come into force when rear-end impact occurs for automobile, to reduce the whiplash injury of occupant.
In a kind of above-mentioned automotive seat anti-whip structure, two inner sidewalls of second fixed part in linear,
The distance between described second fixed part, two inner sidewall is gradually subtracted by the second fixed part both ends towards the direction among the second fixed part
It is few.Two inner sidewalls of the second fixed part play the role of guiding, slide the both ends of spring along the second fixed part；It is colliding
There is the even multiple process being contacting and separating with backrest twice in the back of Shi Renti, spring is closer to the second fixed part
Centre, the value of interference fit of spring is bigger, and for spring closer to the both ends of the second fixed part, the value of interference fit of spring is smaller,
So that the length of spring of the spring between two support frames is changed (length under spring normal condition) at any time, plays spring more
Good buffer function, is consistent the acceleration on occupant's trunk and head, to reduce the whiplash injury of occupant.
In a kind of above-mentioned automotive seat anti-whip structure, between second fixed part middle, two inner sidewall away from
From the 1/2-4/5 for spring line footpath, the both ends of second fixed part are connected by middle part.Spring line footpath is to make the spring
Gauge of wire, this kind of structure guarantee that spring will not fall off, and simultaneous processing is convenient.
As another situation, in a kind of above-mentioned automotive seat anti-whip structure, second fixed part middle
Two inner sidewalls fit in closed form, second fixed part is at symmetrically arranged two parts.This kind of structure guarantees spring
It will not fall off from fixing groove, so that spring be made to play the role of buffering always, reduce the whiplash injury of occupant.
In a kind of above-mentioned automotive seat anti-whip structure, the crushed portion includes a pair of conquassation angle in tip-angled shape,
Conquassation angle described in two is symmetrical arranged, and the distance between conquassation angle described in two is less than the line footpath of the spring.Spring is only
Have when the power being subject to is more than the power of setting, spring can just be crushed conquassation angle and enter in the second fixed part from the first fixed part；
Conquassation this kind of angle structure be for the shape of the interior wall of two inner sidewalls and the second fixed part that cooperate the first fixed part inner end, if
Meter is reasonable.
In a kind of above-mentioned automotive seat anti-whip structure, the fixing groove is in long strip or arc-shaped shape.It is fixed
The length of slot is longer, could change length (length spring normal condition under) of the spring between two support frames, to subtract
The whiplash injury of few occupant.
In a kind of above-mentioned automotive seat anti-whip structure, the spring is serpentine spring, and the spring is located at same
In plane.The back of human body and the contact area of spring are big, and Elastic Contact improves the comfort of occupant.
In a kind of above-mentioned automotive seat anti-whip structure, the spring is located at the center of backrest.Spring should
The setting of kind position, improves the back of human body and the contact area of spring, improves the comfort of occupant；And this kind of position of spring
Setting, automobile occur rear-end impact when, spring can experience the variation of trunk position at the first time, can be timely
It is crushed crushed portion, reduces the whiplash injury of occupant.
Compared with prior art, automotive seat anti-whip structure provided by the invention has the advantage that
1, this anti-whip structure is crossed crushed portion from the first fixed part and is entered by the elastic force of spring itself, the both ends of spring
Into the second fixed part and the both ends of spring can be slided in the second fixed part, to make between two support frames
The length of spring generates variation (length under spring normal condition), to buffer seat occupants back, reduces the acceleration of occupant's trunk
Degree, the effective relative acceleration difference for reducing trunk and head, moves synchronously trunk and head, to reduce the whip of occupant
Injure evil.
2, the spring of this anti-whip structure and the contact area of seat occupants back are big, and are not present between spring and seat occupants back
Hard structure effectively improves the comfort of backrest.
3, this anti-whip structure only needs to output fixing groove in support frame for fixed spring, without increasing additionally
Components, it is easy to process, it is at low cost, it is light-weight.
Detailed description of the invention
Fig. 1 is the overall structure diagram of this automotive seat anti-whip structure.
Fig. 2 is the structural schematic diagram of this automotive seat anti-whip structure fixing groove.
In figure, 1, seat；11, backrest；12, support frame；2, spring；3, fixing groove；31, the first fixed part；32, second is solid
Determine portion；33, crushed portion；331, it is crushed angle.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Figure 1, seat 1 includes backrest 11, the two sides inside backrest 11 all have support frame 12, and support frame 12 is by gold
Belong to material to be made, anti-whip structure includes spring 2 and the fixing groove 3 that is arranged on support frame 12, and spring 2 is serpentine spring 2, bullet
Spring 2 is in the same plane, and spring 2 is located at the center of 1 backrest 11 of seat.In the present embodiment, the quantity of spring 2 is two,
The quantity of fixing groove 3 is four, and in actual production, the quantity of spring 2 can be one or three, the quantity of fixing groove 3
It can be two or six.
As shown in Fig. 2, fixing groove 3 is in long strip in the present embodiment, in actual production, fixing groove 3 can be arc-shaped
Shape.Fixing groove 3 include positioned at both ends the first fixed part 31 and the second fixed part 32 between two the first fixed parts 31,
There is crushed portion 33 between first fixed part 31 and the second fixed part 32.
The inner sidewall of first outer end of the fixed part 31 far from crushed portion 33 is arc-shaped, and the first fixed part 31 is close to crushed portion 33
Inner end two inner sidewalls it is linearly, and the distance between two inner sidewalls of 31 inner end of the first fixed part are by the first fixed part
31 are gradually reduced towards 32 direction of the second fixed part.Two inner sidewalls of the second fixed part 32 are in linear, the second 32 liang of fixed part
The distance between inner sidewall is gradually decreased by 32 both ends of the second fixed part towards the direction among the second fixed part 32.The present embodiment
In, the distance between 32 middle of the second fixed part, two inner sidewall is the 3/5 of 2 line footpath of spring, and in actual production, second is fixed
The distance between 32 middle of portion, two inner sidewall can be the 1/2 or 4/5 of 2 line footpath of spring, and the both ends of the second fixed part 32 are logical
Middle part is crossed to be connected.Crushed portion 33 includes a pair of conquassation angle 331 in tip-angled shape, and two conquassation angles 331 are symmetrical arranged, two pressures
The distance between routed angle 331 is less than the line footpath of spring 2.
The both ends of spring 2 have hook, when rear-end impact occurs for automobile, are divided into five stages:
1, the rear-end impact last stage: the hook at 2 both ends of spring is in first fixed part 31 at 3 both ends of fixing groove, occupant
Back squeezes 1 backrest 11 of seat, and spring 2, which elongates, increases by 1 backrest 11 of seat and seat occupants back's contact area, promotes ride comfort
Property.
2, start to head just to contact the headrest last stage: the hook conquassation conquassation angle 331 at 2 both ends of spring in collision, from the
One fixed part 31 enters in the second fixed part 32, and seat occupants back squeezes 1 backrest 11 of seat, and spring 2 stretches, and reduces back and head
Portion's relative acceleration and speed.
3, just contacted the portion to the end that rests the head on and headrest on head has the separation trend stage: the hook position at 2 both ends of spring for the first time
In the both ends of the second fixed part 32, backrest 11 supports seat occupants back, and headrest support occupant's head effectively reduces seat occupants back and head
Portion's relative acceleration difference.
4, head and headrest for the first time have separation trend to head with rest the head on have the contact trend stage for the second time: rest the head on to
After rotate, head acceleration reduces, and it is fixed that the hook at 2 both ends of spring along two inner sidewalls of the second fixed part 32 is moved to second
The middle position in portion 32, spring 2 and 12 value of interference fit of support frame reduce, and seat occupants back is synchronous with head acceleration to be reduced.
5, there is contact trend to second of the separation phase in head and headrest for the second time on head and headrest: 2 both ends of spring
Hook is located at the middle position of the second fixed part 32, and value of interference fit is stepped up, and guarantees seat occupants back and head acceleration one
It causes.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, and different places are, in the present embodiment, second
Two inner sidewalls of 32 middle of fixed part fit in closed form, i.e. between two inner sidewalls of 32 middle of the second fixed part away from
From being zero, the second fixed part 32 is divided into symmetrically arranged two parts.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although be used more herein seat 1, backrest 11, support frame 12, spring 2, fixing groove 3, the first fixed part 31,
The terms such as the second fixed part 32, crushed portion 33, conquassation angle 331, but it does not exclude the possibility of using other terms.Use these
Term is only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limitation all
It is to be disagreed with spirit of that invention.
Claims (9)
1. a kind of automotive seat anti-whip structure, seat (1) includes backrest (11), and the internal two sides of the backrest (11) all have
Support frame (12), which is characterized in that the anti-whip structure includes several springs (2) and several are arranged in support frame (12)
On fixing groove (3), the fixing groove (3) include positioned at both ends the first fixed part (31) and be located at two the first fixed parts
(31) the second fixed part (32) between has crushed portion between first fixed part (31) and the second fixed part (32)
(33), the both ends of the spring (2), which are threaded through respectively in two the first fixed parts (31) of corresponding fixing groove (3), makes spring (2)
Be fixed between two support frames (12), when spring (2) by automobile in the front-back direction active force be more than setting power when, the bullet
The both ends of spring (2) can cross crushed portion (33) from the first fixed part (31) and enter in the second fixed part (32).
2. a kind of automotive seat anti-whip structure according to claim 1, which is characterized in that first fixed part (31)
The inner sidewall of outer end far from crushed portion (33) is arc-shaped, and the two of the inner end of first fixed part (31) close crushed portion (33)
Inner sidewall is linearly, and the distance between two inner sidewalls of first fixed part (31) inner end are by the first fixed part (31)
It is gradually reduced towards the second fixed part (32) direction.
3. a kind of automotive seat anti-whip structure according to claim 1, which is characterized in that second fixed part (32)
Two inner sidewalls it is linearly, the distance between described (32) two inner sidewall of second fixed part is by the second fixed part (32) both ends
The direction intermediate towards the second fixed part (32) gradually decreases.
4. a kind of automotive seat anti-whip structure according to claim 3, which is characterized in that second fixed part (32)
The distance between two inner sidewall of middle is the 1/2-4/5 of spring (2) line footpath, during the both ends of second fixed part (32) pass through
Portion is connected.
5. a kind of automotive seat anti-whip structure according to claim 3, which is characterized in that second fixed part (32)
Two inner sidewalls of middle fit in closed form, and second fixed part (32) is divided into symmetrically arranged two parts.
6. a kind of automotive seat anti-whip structure described in -5 any one according to claim 1, which is characterized in that the conquassation
Portion (33) includes a pair of conquassation angle (331) in tip-angled shape, and conquassation angle (331) described in two are symmetrical arranged, described in two
It is crushed the line footpath that the distance between angle (331) are less than the spring (2).
7. a kind of automotive seat anti-whip structure described in -5 any one according to claim 1, which is characterized in that the fixation
Slot (3) is in long strip.
8. a kind of automotive seat anti-whip structure described in -5 any one according to claim 1, which is characterized in that the spring
It (2) is serpentine spring (2) that the spring (2) is in the same plane.
9. a kind of automotive seat anti-whip structure described in -5 any one according to claim 1, which is characterized in that the spring
(2) it is located at the center of seat (1) backrest (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403664.0A CN108501780B (en) | 2018-04-28 | 2018-04-28 | A kind of automotive seat anti-whip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810403664.0A CN108501780B (en) | 2018-04-28 | 2018-04-28 | A kind of automotive seat anti-whip structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108501780A CN108501780A (en) | 2018-09-07 |
| CN108501780B true CN108501780B (en) | 2019-09-10 |
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ID=63399690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810403664.0A Active CN108501780B (en) | 2018-04-28 | 2018-04-28 | A kind of automotive seat anti-whip structure |
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| Country | Link |
|---|---|
| CN (1) | CN108501780B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112056706B (en) * | 2019-06-11 | 2022-12-13 | 浙江吉利控股集团有限公司 | Lock catch mechanism, safety belt lock catch device with same and moving body |
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2018
- 2018-04-28 CN CN201810403664.0A patent/CN108501780B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108501780A (en) | 2018-09-07 |
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