CN206086459U - Active headrest structure of car seat - Google Patents
Active headrest structure of car seat Download PDFInfo
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- CN206086459U CN206086459U CN201621062885.9U CN201621062885U CN206086459U CN 206086459 U CN206086459 U CN 206086459U CN 201621062885 U CN201621062885 U CN 201621062885U CN 206086459 U CN206086459 U CN 206086459U
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- connecting rod
- cross bar
- sahr
- support
- backrest frames
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Abstract
The utility model provides an active headrest structure of car seat belongs to car technical field. It has solved the current low problem of active headrest structure trigger sensitivity. This active headrest structure of car seat includes back skeleton and connecting rod, from the last support that is used for the installation headrest that down is equipped with in the back skeleton, the horizontal pole with trigger the spring, connecting rod and support, the horizontal pole with trigger the spring homogeneous phase and link firmly, the both ends of support have the spout respectively, the top of back skeleton has linked firmly the sliding shaft, the sliding shaft is embedded into in the spout, it slides from top to bottom along the sliding shaft to prop up the shelf energy, the both ends of horizontal pole are articulated with the back skeleton facies respectively, and the horizontal pole can be round pin joint swing back and forth, it enables the horizontal pole to be equipped with between horizontal pole and the back skeleton, the reset structure that connecting rod and support reset. This active headrest structure of car seat has the advantage that trigger sensitivity is high.
Description
Technical field
This utility model belongs to automobile technical field, is related to a kind of automotive seat SAHR structure.
Background technology
With the development of society, the improvement of people's living standards, automobile increasingly becomes the important traffic work of people's trip
Tool, when automobile is chosen, the safety of automobile becomes one of main points that consumer pays close attention to the most for consumer.
Automotive seat is used for being taken for driver and crew, and headrest features are provided with the top of seat, and head is plugged with headrest features
Pillow, existing headrest features, such as Chinese patent literature data disclose active headrest device of car seat [application number：
201210221600.1；Application publication number：CN102745111A], it includes backrest frames, the triggering being arranged on backrest frames
The supporting structure for supporting headrest that plate and trigger board are connected, trigger board hits generation and back pressure after being subject to occupant after vehicle
During power, trigger board drives supporting structure to have the motion to vehicle front and top, and being connected on backrest frames is provided with logical
The guide plate of groove, trigger board is slidably connected on guide plate by the slip being slidably matched with groove, in guide plate and sliding part
Between be connected with the elastic device that elastic restoring force is provided trigger board, elastic device improves elastic restoring force to trigger board
The glide direction of direction and sliding part is on the same line.
The headrest features of this kind of structure, when vehicle is knocked into the back, the back of driver and crew applies a collision to trigger board
Power, make trigger board pull rivet to slide backward in groove and just can make headrest conduit and move forward and up, parts are more, knot
Structure is complicated, weight weight, high cost, and by way of trigger board pulls rivet, resistance is larger, the headrest features of this kind of structure
It is difficult to be triggered, there is certain potential safety hazard.
The content of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, it is proposed that a kind of automotive seat is actively
Formula headrest features, the technical problem of solution is how to improve the sensitivity of SAHR structure triggering.
The purpose of this utility model can be realized by following technical proposal：A kind of automotive seat SAHR structure,
Including backrest frames and connecting rod, it is characterised in that be provided with from top to bottom in the backrest frames for install headrest support,
Cross bar and triggering spring, the connecting rod is fixedly connected with support, cross bar and triggering spring, and the two ends of the support have respectively
Chute, is fixed with sliding axle at the top of the backrest frames, the sliding axle is embedded in chute, and the support can be along slip
Axle is slided up and down, and the two ends of the cross bar are hinged respectively with backrest frames, and cross bar can be described around pin joint swing
The resetting structure that cross bar, connecting rod and support can be made to reset is provided between cross bar and backrest frames.
When vehicle is knocked into the back, due to inertia, human body back can extrude backrest, triggering spring is moved backward, from
And connecting rod is rotated around cross bar, and make support travel forward, i.e. headrest is moved forward, while the rotation of connecting rod drives support
Move up along sliding axle, i.e., headrest is moved up, headrest does relative to human body and forwardly and upwardly moves, and touch headrest
The head of people, and this SAHR structure is used as triggering device by triggering spring, and resistance is little, and the sensitivity of triggering is high,
The cervical region of effective protection driver and crew does not come to harm or reduces injury, and after collision terminates, triggering spring and resetting structure are protected
Card SAHR structure homing, simple structure, low cost.
In a kind of above-mentioned automotive seat SAHR structure, the resetting structure includes back-moving spring, rotary shaft
With the revolving fragment in strip, one end of the revolving fragment is hinged by rotary shaft with backrest frames, the other end and cross bar phase
It is connected, one end of the back-moving spring is connected with backrest frames, and the other end is connected with the end of the revolving fragment other end.Revolving fragment is in
Strip, i.e. cross bar can enable headrest preferably to move forward and up around the segment distance of rotary shaft swing one, so as to
More preferable protective effect is played, back-moving spring provides elastic force, and back-moving spring enables the SAHR structure after movement to reply original
Shape.
In a kind of above-mentioned automotive seat SAHR structure, the back-moving spring is extension spring.Extension spring provides pulling force,
Revolving fragment and cross bar is pulled to restore.
In a kind of above-mentioned automotive seat SAHR structure, the resetting structure includes drawstring, rotary shaft and is in
The revolving fragment of strip, one end of the revolving fragment is hinged by rotary shaft with backrest frames, and the other end is fixedly connected with cross bar,
One end of the drawstring is connected with backrest frames, and the other end is connected with the end of the revolving fragment other end.Drawstring plays reinstatement
Effect.
In a kind of above-mentioned automotive seat SAHR structure, the top of the connecting rod and support by welding or
The connected mode of person's screw thread is fixedly connected with, and middle part and the cross bar of the connecting rod are connected by welding, and the bottom of the connecting rod leads to
Cross clip to be fixedly connected with triggering spring.It is connected by way of welding or screw thread are connected, connected firmness is high, be connected side
Just, spring meeting elastic deformation is triggered, triggering spring is fixedly connected with connecting rod by clip, connected good stability triggers bullet
The deformation of spring can timely pull connecting rod to make corresponding motion, and sensitivity is high.
In a kind of above-mentioned automotive seat SAHR structure, the connecting rod overall U-shaped, the connecting rod
Middle bends around cross bar, and the connecting rod is located at the bending place of connecting rod with the pad of cross bar.Connecting rod bending is arranged, even
Mating shapes of extension bar and backrest, and connecting rod is in bending, when making automobile be knocked into the back, headrest can preferably to
Before move up, so as to play more preferable protective effect.
In a kind of above-mentioned automotive seat SAHR structure, the support includes connecting tube, a pair of headrest conduits
With pair of sliding frame, a pair of headrest conduits be fixedly connected with connecting tube, pair of sliding frame is separately fixed at the two ends of connecting tube, institute
Chute is stated in strip, the chute is located in travelling carriage, and pair of sliding piece, the cunning are fixed with the top of the backrest frames
Moving axis is fixedly connected with wiper.A pair of headrest conduits are used for grafting head rest pole, i.e., for installing headrest, the space that wiper is occupied
Little, wiper is fixedly connected with as connector with sliding axle.
In a kind of above-mentioned automotive seat SAHR structure, the triggering spring sets along the width of automobile
Put, the two ends of the triggering spring are fixedly connected with respectively with backrest frames.The setting of triggering this kind of structure of spring and the back of human body
It is engaged, the contact area for triggering spring and human body back is big, extruding triggering spring is ensure that when moving after human body, makes this active
Formula headrest features are triggered, and improve sensitivity.
Compared with prior art, the automotive seat SAHR structure that this utility model is provided has advantages below：
1st, this automotive seat SAHR structure by the triggering spring that arranges along vehicle width direction and can before and after
The cross bar of swing, reduces the resistance being subject to during connecting rod triggering motion, situation about moving after human body back when enabling automobile to be knocked into the back
Enough timely sensed and trigger active headrest features motions, make headrest move forward and up, the neck of effective protection people
Portion does not come to harm or reduces injury.
2nd, the triggering spring of this automotive seat SAHR structure has certain elastic force, and back-moving spring also has certain
Elastic force, after SAHR structure is moved, ensure that SAHR structure can be returned by triggering spring and back-moving spring
Restore position.
Description of the drawings
Fig. 1 is the overall structure diagram of this automotive seat SAHR structure.
Fig. 2 is the enlarged drawing in this automotive seat SAHR structure Figure 1A region.
Fig. 3 is the enlarged drawing in this automotive seat SAHR structure Figure 1B region.
In figure, 1, backrest frames；2nd, connecting rod；3rd, support；31st, connecting tube；32nd, headrest conduit；33rd, travelling carriage；4th, it is horizontal
Bar；5th, spring is triggered；6th, chute；7th, sliding axle；8th, back-moving spring；9th, rotary shaft；10th, revolving fragment；11st, clip；12nd, slide
Piece.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model
Description, but this utility model is not limited to these embodiments.
Embodiment one
As shown in figure 1, this automotive seat SAHR structure include backrest frames 1, connecting rod 2, support 3, cross bar 4,
Triggering spring 5, sliding axle 7 and resetting structure.
Support 3, cross bar 4, triggering spring 5 are located at from top to bottom in backrest frames 1.As shown in Fig. 2 support 3 includes connection
Pipe 31, a pair of headrest conduits 32 and pair of sliding frame 33, a pair of headrest conduits 32 are fixedly connected with connecting tube 31, and a pair of headrests are led
Pipe 32 is used for the inserted link of grafting headrest, and pair of sliding frame 33 is separately fixed at the two ends of connecting tube 31, and travelling carriage 33 is in angle bar shape,
Chute 6 is in strip, and chute 6 is located in travelling carriage 33, and the top of backrest frames 1 is fixed with pair of sliding piece 12, sliding axle 7 with
Wiper 12 is fixedly connected with, and sliding axle 7 is embedded in chute 6, and support 3 is overall to be slided up and down along sliding axle 7.
The overall U-shaped of connecting rod 2, in the present embodiment, top and the support 3 of connecting rod 2 are connected by welding, in actual life
In product, the mode that the top of connecting rod 2 can be threaded connection with support 3 is fixedly connected with, and middle part and the cross bar 4 of connecting rod 2 lead to
Cross welding to be connected, the middle of connecting rod 2 bends around cross bar 4, connecting rod 2 is located at the bending of connecting rod 2 with the pad of cross bar 4
Place, the bottom of connecting rod 2 is fixedly connected with by clip 11 with triggering spring 5.Triggering spring 5 is arranged along the width of automobile, is touched
The two ends for sending out spring 5 are fixedly connected with respectively with backrest frames 1, and triggering spring 5 is in wavy.
As shown in figure 3, resetting structure includes back-moving spring 8, rotary shaft 9 and the revolving fragment in strip 10, revolving fragment 10
One end be hinged with backrest frames 1 by rotary shaft 9, the other end is fixedly connected with cross bar 4, and in the present embodiment, back-moving spring 8 is
Extension spring, one end of back-moving spring 8 is connected with backrest frames 1, and the other end is connected with the end of the other end of revolving fragment 10, the energy of cross bar 4
Around the swing of rotary shaft 9.
When automobile is knocked into the back shock, human body back can extrude backrest, triggering spring 5 is moved backward, so that
Connecting rod 2 is rotated around cross bar 4, support 3 is moved forward and up, while connecting rod 2 drives cross bar 4 to around 9 turns of rotary shaft
It is dynamic, support 3 is moved forward and up, so that headrest is moved forward and up, make headrest touch the head of people, effective protection people's
Cervical region does not come to harm or reduces injury, after collision terminates, in the presence of triggering spring 5 and the elastic force of back-moving spring 8, actively
Formula headrest features homing.
Embodiment two
The present embodiment is essentially identical with the structure and principle of embodiment one, is where difference, in the present embodiment, resets
Structure includes drawstring, rotary shaft and the revolving fragment in strip, and one end of revolving fragment is hinged by rotary shaft with backrest frames,
The other end is fixedly connected with cross bar, and one end of drawstring is connected with backrest frames, and the other end is connected with the end of the revolving fragment other end.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Category those skilled in the art can make various modifications to described specific embodiment or supplement or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although more having used backrest frames 1, connecting rod 2, support 3, connecting tube 31, headrest conduit 32, slip herein
Frame 33, cross bar 4, triggering spring 5, chute 6, sliding axle 7, back-moving spring 8, rotary shaft 9, revolving fragment 10, clip 11, wiper 12
Deng term, but it is not precluded from using the probability of other terms.Conciliate just for the sake of more easily description using these terms
Release essence of the present utility model；Being construed as any additional restriction is disagreed with this utility model spirit
's.
Claims (8)
1. a kind of automotive seat SAHR structure, including backrest frames (1) and connecting rod (2), it is characterised in that described to lean on
It is provided with support (3), cross bar (4) and triggering spring (5) for installing headrest, the connecting rod in spine frame (1) from top to bottom
(2) it is fixedly connected with support (3), cross bar (4) and triggering spring (5), the two ends of the support (3) have respectively chute (6), institute
State and sliding axle (7) is fixed with the top of backrest frames (1), the sliding axle (7) is embedded in chute (6), support (3) energy
Slide up and down along sliding axle (7), the two ends of the cross bar (4) are hinged respectively with backrest frames (1), and cross bar (4) can be around
Pin joint swing, being provided between the cross bar (4) and backrest frames (1) can make cross bar (4), connecting rod (2) and support
(3) resetting structure for resetting.
2. a kind of automotive seat SAHR structure according to claim 1, it is characterised in that the resetting structure bag
Back-moving spring (8), rotary shaft (9) and the revolving fragment (10) in strip are included, one end of the revolving fragment (10) passes through rotary shaft
(9) it is hinged with backrest frames (1), the other end is fixedly connected with cross bar (4), one end of the back-moving spring (8) and backrest frames
(1) it is connected, the other end is connected with the end of revolving fragment (10) other end.
3. a kind of automotive seat SAHR structure according to claim 2, it is characterised in that the back-moving spring
(8) it is extension spring.
4. a kind of automotive seat SAHR structure according to claim 1, it is characterised in that the resetting structure bag
Drawstring, rotary shaft (9) and the revolving fragment (10) in strip are included, one end of the revolving fragment (10) passes through rotary shaft (9) and leans on
Spine frame (1) is hinged, and the other end is fixedly connected with cross bar (4), and one end of the drawstring is connected with backrest frames (1), the other end
It is connected with the end of revolving fragment (10) other end.
5. a kind of automotive seat SAHR structure according to claim 1 or 2 or 3 or 4, it is characterised in that described
The top of connecting rod (2) is fixedly connected with support (3) by way of welding or screw thread are connected, the middle part of the connecting rod (2)
It is connected by welding with cross bar (4), the bottom of the connecting rod (2) is fixedly connected with by clip (11) with triggering spring (5).
6. a kind of automotive seat SAHR structure according to claim 5, it is characterised in that the connecting rod (2)
Overall U-shaped, the middle of the connecting rod (2) bends around cross bar (4), the pad position of the connecting rod (2) and cross bar (4)
In the bending place of connecting rod (2).
7. a kind of automotive seat SAHR structure according to claim 1 or 2 or 3 or 4, it is characterised in that described
Support (3) includes connecting tube (31), a pair of headrests conduit (32) and pair of sliding frame (33), a pair of headrests conduit (32) with company
Adapter (31) be fixedly connected with, pair of sliding frame (33) is separately fixed at the two ends of connecting tube (31), the chute (6) in strip,
The chute (6) is fixed with pair of sliding piece (12), the cunning in travelling carriage (33) at the top of the backrest frames (1)
Moving axis (7) is fixedly connected with wiper (12).
8. a kind of automotive seat SAHR structure according to claim 1 or 2 or 3 or 4, it is characterised in that described
Triggering spring (5) is arranged along the width of automobile, and the two ends of triggering spring (5) are fixedly connected with respectively with backrest frames (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621062885.9U CN206086459U (en) | 2016-09-19 | 2016-09-19 | Active headrest structure of car seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621062885.9U CN206086459U (en) | 2016-09-19 | 2016-09-19 | Active headrest structure of car seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206086459U true CN206086459U (en) | 2017-04-12 |
Family
ID=58479121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621062885.9U Active CN206086459U (en) | 2016-09-19 | 2016-09-19 | Active headrest structure of car seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206086459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576779A (en) * | 2019-09-03 | 2019-12-17 | 浙江嘉丰汽车座椅有限公司 | Active four-way adjusting automobile headrest |
-
2016
- 2016-09-19 CN CN201621062885.9U patent/CN206086459U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110576779A (en) * | 2019-09-03 | 2019-12-17 | 浙江嘉丰汽车座椅有限公司 | Active four-way adjusting automobile headrest |
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| GR01 | Patent grant |