CN107415781A - A kind of easy access mechanism for automotive seat - Google Patents
A kind of easy access mechanism for automotive seat Download PDFInfo
- Publication number
- CN107415781A CN107415781A CN201710625600.0A CN201710625600A CN107415781A CN 107415781 A CN107415781 A CN 107415781A CN 201710625600 A CN201710625600 A CN 201710625600A CN 107415781 A CN107415781 A CN 107415781A
- Authority
- CN
- China
- Prior art keywords
- spring
- fixedly connected
- constant force
- hook
- automotive seat
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/10—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable tiltable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/14—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable rotatable, e.g. to permit easy access
Abstract
The present invention relates to a kind of easy access mechanism for automotive seat, it includes：Hook's spring assembly, it includes hook's spring and brake block, wherein, one end of the hook's spring is fixedly connected with the upper rail, the other end is fixedly connected with the lower rail, and the telescopic direction of the hook's spring is consistent with the length direction of the slide rail, the brake block is connected with the other end of the hook's spring；And constant force spring assembly, it includes constant force spring and can be interference fitted with the brake block to prevent the rubber that the upper rail is slided, wherein, one end of the constant force spring is fixedly connected with the lower rail, the other end is fixedly connected with the upper cross plate, and the telescopic direction of the constant force spring is consistent with the length direction of the slide rail, the rubber is connected with the other end of the constant force spring；Wherein, the telescopic direction of the hook's spring is opposite with the telescopic direction of the constant force spring.The present invention reduces the reply of seat to promote stroke, while reduces maximum reply operating physical force.
Description
Technical field
The present invention relates to a kind of easy access mechanism for automotive seat.
Background technology
With implementing for two tire policies, the family car of seven is increasingly paid attention to by market, wherein two row's seats one
As for convenience passenger's disengaging be equipped with Easy-Entry (EZ, easily enter) mechanism.As shown in figures 1 to 6, when passenger needs to enter
During vehicle heel row, the unlocking device 200 at the top of backrest 100 of two rows can be pulled manually, so as to drive wire harness 300 to transport upwards
It is dynamic, thus drive backrest 100 to turn down forward, now, the metalwork 400 of seat both sides is rotated down, so as to lower compression molding material
Part 500, and then move down rack 600 by working of plastics 500, so can unlock slide rail 700 so that with slide rail 700
Lower rail of the seat of upper rail connection along the slide rail 700 being fixed on vehicle body is slided.In other words, after EZ mechanisms unlock, seat
Chair can move forward, to increase the entrance space of heel row.
At present, the existing EZ mechanisms of in the market are usually Single spring structure, for example, applying on lucky, BMWX3, BMWX5
EZ mechanisms, this EZ mechanisms can substantially be divided into two classes：
The first kind, after the unblock of EZ mechanisms, because spring force not enough overcomes maximum static friction force, so after slide rail unblock
Seat directly can not move forward automatically, and need to touch backrest manually, i.e. need just make seat move forward plus manual thrust, meanwhile,
When replying, it is also desirable to whole hand-pushing chair to original position；
Second class, after the unblock of EZ mechanisms, although seat can be allowed to be automatically moved to front position by spring force,
Be such Single spring boosting mechanism in spring reset due to needing while overcoming force of sliding friction and spring force, therefore behaviour
It is very big to make power.
As can be seen here, the EZ mechanisms of Single spring are functionally at most merely able to realize automatic reach at present, and can not
Automatically reply, therefore, unhandy problem is still had for passenger.
The content of the invention
In order to solve the above-mentioned problems of the prior art, the present invention is intended to provide a kind of easy entrance for automotive seat
Mechanism, to realize the automatic reach of seat and Backward Function, make operator more laborsaving.
A kind of easy access mechanism for automotive seat of the present invention, the mechanism include：One slide rail, it includes fixing
Lower rail on body of a motor car and it is slidably connected in the lower rail and is connected to the upper rail of automotive seat bottom；And
One is fixedly connected on the upper cross plate in the upper rail, and the mechanism also includes：
One hook's spring assembly, it includes a hook's spring and a brake block, wherein, one end of the hook's spring with
The upper rail is fixedly connected, and the other end is fixedly connected with the lower rail, and the telescopic direction of the hook's spring and the slide rail
Length direction is consistent, and the brake block is connected with the other end of the hook's spring；And
One constant force spring assembly, it include a constant force spring and one can be interference fitted with the brake block it is described to prevent
The rubber that upper rail is slided, wherein, one end of the constant force spring is fixedly connected with the lower rail, and the other end is consolidated with the upper cross plate
Fixed connection, and the telescopic direction of the constant force spring is consistent with the length direction of the slide rail, the rubber and the constant force spring
The other end connection；
Wherein, the telescopic direction of the hook's spring is opposite with the telescopic direction of the constant force spring.
In the above-mentioned easy access mechanism for automotive seat, the hook's spring assembly also includes：
One is fixedly connected with one end of the hook's spring and is fixedly connected on the upper rail connecting plate in the upper rail；And
One is fixedly connected with the other end of the hook's spring and is fixedly connected on the lower rail connecting plate in the lower rail；
Wherein, the brake block is arranged on the lower rail connecting plate.
In the above-mentioned easy access mechanism for automotive seat, the brake block and the lower rail connecting plate one into
Type.
In the above-mentioned easy access mechanism for automotive seat, the upper rail connecting plate and lower rail connecting plate pass through respectively
Spring plastic button is connected with the both ends of the hook's spring.
In the above-mentioned easy access mechanism for automotive seat, the constant force spring assembly also includes：
One pipe being fixedly connected with one end of the constant force spring, it is fixed by a connecting lateral plate and the lower rail connects
Connect；
The one polycrystalline substance support being fixedly connected with the upper cross plate；
One bullet for being fixedly connected on the polycrystalline substance support and supplying the other end of the constant force spring to be attached to
Spring fixed mount；
One penetrates rotatably the center that the spring anchorage bracket and the other end for the constant force spring are wound on
Axle；
Two are respectively sleeved at the central shaft both ends and the bushing between the spring anchorage bracket and constant force spring；
Two are respectively sleeved at the central shaft both ends and the thrust plate on the outside of the spring anchorage bracket；And
Two cover on the central shaft both ends and the housing being fixedly connected on the outside of the spring anchorage bracket respectively；
Wherein, the rubber case is on the polycrystalline substance support.
In the above-mentioned easy access mechanism for automotive seat, the connecting lateral plate passes through welded nut and the lower rail
It is fixedly connected.
In the above-mentioned easy access mechanism for automotive seat, the housing passes through steady pin and the spring anchorage bracket
It is fixedly connected.
As a result of above-mentioned technical solution, the present invention is by using constant force spring assembly and hook's spring assembly
Mating reaction, so as to add the function of making seat self-return so that seat can be with automatic opening-closing to design in front position
Position, the reply for reducing seat promote stroke, while reduce maximum reply operating physical force, and then cause the operation of the present invention more
Laborsaving, automaticity is higher.
Brief description of the drawings
Fig. 1 is structural representation of the automotive seat with conventional easily access mechanism under normal operating condition；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 is view of the unlocking device after unblock in Fig. 2；
Fig. 4 is structural representation of the automotive seat with conventional easily access mechanism under preceding shifting state；
Fig. 5 is the close-up schematic view at B in Fig. 4；
Fig. 6 is view of the working of plastics after unblock in Fig. 5；
Fig. 7 is a kind of Standard figure of easy access mechanism for automotive seat of the invention；
Fig. 8 is a kind of Structure explosion diagram of easy access mechanism for automotive seat of the invention；
Fig. 9 is the Structure explosion diagram of hook's spring assembly in a kind of easy access mechanism for automotive seat of the invention；
Figure 10 is the Structure explosion diagram of constant force spring assembly in a kind of easy access mechanism for automotive seat of the invention；
Figure 11 is a kind of structure top view of easy access mechanism for automotive seat of the invention；
Figure 12 is the close-up schematic view at C in Figure 11；
Figure 13 is a kind of structural representation of easy access mechanism for automotive seat of the invention in state 1；
Figure 14 is a kind of structural representation for the easy access mechanism of automotive seat under state 2 of the invention；
Figure 15 is a kind of structural representation for the easy access mechanism of automotive seat under state 3 of the invention；
Figure 16 is a kind of structural representation for the easy access mechanism of automotive seat under state 4 of the invention.
Embodiment
Below in conjunction with the accompanying drawings, presently preferred embodiments of the present invention is provided, and is described in detail.
Fig. 7-12 are referred to, the present invention, i.e., a kind of easy access mechanism for automotive seat, the mechanism include：
One slide rail 1, it includes being fixedly mounted on the lower rail 11 on body of a motor car and is slidably connected in lower rail 11 and connects
It is connected on the upper rail 12 of automotive seat bottom；
One is fixedly connected on the upper cross plate 2 in upper rail 12, and in the present embodiment, upper cross plate 2 is welded in upper rail 12；
One hook's spring assembly 3, it is specifically included：
One hook's spring 31, its one end are fixedly connected by a upper rail connecting plate 32 with upper rail 12, and the other end passes through
Rail connecting plate 33 is fixedly connected with lower rail 11, and the telescopic direction of the hook's spring 31 is consistent with the length direction of slide rail 1, at this
In embodiment, upper rail connecting plate 32 and lower rail connecting plate 33 are connected by the both ends of a spring plastic button 34 and hook's spring 31 respectively
Connect, and upper rail connecting plate 32 and lower rail connecting plate 33 are respectively welded in upper rail 12 and lower rail 11；And
One is arranged on the brake block 35 on lower rail connecting plate 33, in the present embodiment, brake block 35 and lower rail connecting plate 33
It is integrally formed；
One constant force spring assembly 4, it is specifically included：
One constant force spring 41, its one end are fixedly connected with a pipe 42, and the pipe 42 by a connecting lateral plate 43 with
Rail 11 is fixedly connected, the other end of constant force spring 41 on a central shaft 44, and the telescopic direction of the constant force spring 41 with
The length direction of slide rail 1 is consistent, and with the telescopic direction of constant force spring 31 on the contrary, in the present embodiment, the one of constant force spring 41
End to be welded to connect with pipe 42, can also set circle, to be tightly placed on pipe 42, connecting lateral plate 43 passes through with providing holes
Welded nut 45 is fixedly connected with lower rail 11；
The one polycrystalline substance support 46 being fixedly connected with upper cross plate 2, in the present embodiment, polycrystalline substance support 46 is welded on
On upper cross plate 2；
One spring for being fixedly connected on polycrystalline substance support 46 and rotationally being worn thereon for central shaft 44 is fixed
Frame 47, in the present embodiment, spring anchorage bracket 47 are welded on polycrystalline substance support 46；
One is enclosed on polycrystalline substance support 46 and can be interference fitted with brake block 35 to prevent the rubber 48 that upper rail 12 is slided；
Two are respectively sleeved at the both ends of central shaft 44 and the bushing 49 between spring anchorage bracket 47 and constant force spring 41,
In the present embodiment, bushing 49 is welded on spring anchorage bracket 47；
Two are respectively sleeved at the both ends of central shaft 44 and positioned at the thrust plate 50 in the outside of spring anchorage bracket 47, and it follows center
Axle 44 rotates, and for preventing central shaft 44 from moving axially；And
Two cover on the both ends of central shaft 44 and are fixedly connected on the housing 51 in the outside of spring anchorage bracket 47 in this implementation respectively
In example, housing 51 is fixedly connected by steady pin 52 with spring anchorage bracket 47.
With reference to Figure 13-16, the operation principle of the present invention is introduced.
It can be seen from said structure, with sliding back and forth for upper rail 12, automotive seat and the front and rear shifting of upper cross plate 2 are driven
Dynamic, so that hook's spring 31 and constant force spring 41 are flexible, and both telescopic direction are on the contrary, specifically：
In state 1, i.e. when automotive seat is in rearmost position, slide rail 1 locks, and automotive seat is motionless, hook's spring 31
Amount of tension reach most long, its elastic force FHookeMaximum, the stress of constant force spring 41, its elastic force FConstant forceIt is not 0；Due to hook's spring
31 elastic force is more than the elastic force of constant force spring 41 and making a concerted effort for frictional force f, i.e. FHooke＞ FConstant force+ f, therefore, automotive seat have energy
Automatically the trend moved forward.
Under state 2, i.e. after slide rail 1 unlocks, elastic force F of the automotive seat in hook's spring 31HookeUnder effect, automatically forward
Mobile, now, the amount of tension of hook's spring 31 is gradually reduced, its elastic force FHookeIt is gradually reduced, the amount of tension of constant force spring 41 is gradual
Increase, its elastic force FConstant forceConstant (this can just make automotive seat relatively more steady can evenly advance during advance) is kept,
When upper rail 12 is slided to some position, the elastic force F of hook's spring 31HookeBy the elastic force F with constant force spring 41Constant forceWith frictional force f
Make a concerted effort reach dynamic balance, before the dynamic balance position is reached, slide rail 1 is suffered to make a concerted effort forward, and this brief acceleration accelerates to be positive
Degree, acceleration reduce, sliding speed increase, and after dynamic balance position is reached, slide rail 1 is suffered to make a concerted effort backward, and this brief acceleration is
Backward acceleration, acceleration increase, sliding speed start to reduce.
Under state 3, i.e. when automotive seat is slided to front position, rubber 48 hits brake block 35, due to the He of rubber 48
The interference fit of brake block 35 and caused moment resistance causes upper rail 12 to be stopped, automotive seat stops mobile (if without rubber
The braking action of skin 48 and brake block 35, then due at front position slide rail be not in dynamic balance position, automobile can be caused
Seat rebounds), now, hook's spring 31 replys former length, its elastic force FHookeMinimum, the amount of tension of constant force spring 41 reach maximum, its
Elastic force FConstant forceKeep constant, because the elastic force of constant force spring 41 is more than the elastic force of hook's spring 31 and making a concerted effort for frictional force f, i.e.
FConstant force＞ FHooke+ f, therefore, automotive seat have the trend that can be moved rearwards automatically.
Under state 4, it is only necessary to which applying some power manually departs from rubber 48 and brake block 35, and automotive seat can be in perseverance
The elastic force F of power spring 41Constant forceThe lower automatic rollback of effect is to dynamic balance position, in the dynamic balance opening position, FConstant force=FHooke+ f, automobile
Seat can stop, and now need hand push automotive seat to return to the position of state 1, but due to automotive seat can automatic rollback extremely
The position of state 4, therefore reduce the stroke for promoting force, and because the power-assisted of constant force spring 41 acts on, make motive force phase
To reducing, so as to reach labour-saving effect.
Above-described, only presently preferred embodiments of the present invention is not limited to the scope of the present invention, of the invention is upper
Stating embodiment can also make a variety of changes.What i.e. every claims and description according to the present patent application were made
Simply, equivalent changes and modifications, the claims of patent of the present invention are fallen within.The not detailed description of the present invention is
Routine techniques content.
Claims (7)
1. a kind of easy access mechanism for automotive seat, the mechanism includes：One slide rail, it includes being fixedly mounted on body of a motor car
On lower rail and be slidably connected in the lower rail and be connected to the upper rail of automotive seat bottom；And one be fixedly connected on institute
State the upper cross plate in upper rail, it is characterised in that the mechanism also includes：
One hook's spring assembly, it includes a hook's spring and a brake block, wherein, one end of the hook's spring with it is described
Upper rail is fixedly connected, and the other end is fixedly connected with the lower rail, and the telescopic direction of the hook's spring and the length of the slide rail
Direction is consistent, and the brake block is connected with the other end of the hook's spring；And
One constant force spring assembly, it includes a constant force spring and one can be interference fitted with the brake block to prevent the upper rail
The rubber of slip, wherein, one end of the constant force spring is fixedly connected with the lower rail, and the other end is fixed with the upper cross plate to be connected
Connect, and the telescopic direction of the constant force spring is consistent with the length direction of the slide rail, the rubber is another with the constant force spring
One end connects；
Wherein, the telescopic direction of the hook's spring is opposite with the telescopic direction of the constant force spring.
2. the easy access mechanism according to claim 1 for automotive seat, it is characterised in that the hook's spring assembly
Also include：
One is fixedly connected with one end of the hook's spring and is fixedly connected on the upper rail connecting plate in the upper rail；And
One is fixedly connected with the other end of the hook's spring and is fixedly connected on the lower rail connecting plate in the lower rail；
Wherein, the brake block is arranged on the lower rail connecting plate.
3. the easy access mechanism according to claim 2 for automotive seat, it is characterised in that the brake block with it is described
Lower rail connecting plate is integrally formed.
4. the easy access mechanism for automotive seat according to Claims 2 or 3, it is characterised in that the upper rail connection
Plate and lower rail connecting plate are connected by spring plastic button with the both ends of the hook's spring respectively.
5. the easy access mechanism according to claim 1 for automotive seat, it is characterised in that the constant force spring assembly
Also include：
One pipe being fixedly connected with one end of the constant force spring, it is fixedly connected by a connecting lateral plate with the lower rail；
The one polycrystalline substance support being fixedly connected with the upper cross plate；
One, which is fixedly connected on the spring on the polycrystalline substance support and supplying the other end of the constant force spring to be attached to, consolidates
Determine frame；
One penetrates rotatably the central shaft that the spring anchorage bracket and the other end for the constant force spring are wound on；
Two are respectively sleeved at the central shaft both ends and the bushing between the spring anchorage bracket and constant force spring；
Two are respectively sleeved at the central shaft both ends and the thrust plate on the outside of the spring anchorage bracket；And
Two cover on the central shaft both ends and the housing being fixedly connected on the outside of the spring anchorage bracket respectively；
Wherein, the rubber case is on the polycrystalline substance support.
6. the easy access mechanism according to claim 5 for automotive seat, it is characterised in that the connecting lateral plate passes through
Welded nut is fixedly connected with the lower rail.
7. the easy access mechanism according to claim 5 for automotive seat, it is characterised in that the housing passes through fixation
Pin is fixedly connected with the spring anchorage bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625600.0A CN107415781B (en) | 2017-07-27 | 2017-07-27 | A kind of easy access mechanism for automotive seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710625600.0A CN107415781B (en) | 2017-07-27 | 2017-07-27 | A kind of easy access mechanism for automotive seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107415781A true CN107415781A (en) | 2017-12-01 |
| CN107415781B CN107415781B (en) | 2019-04-12 |
Family
ID=60430526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710625600.0A Active CN107415781B (en) | 2017-07-27 | 2017-07-27 | A kind of easy access mechanism for automotive seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107415781B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843615A (en) * | 2019-11-29 | 2020-02-28 | 重庆延锋安道拓汽车部件系统有限公司 | Easy entry release mechanism for car seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002014103A1 (en) * | 2000-08-14 | 2002-02-21 | Intier Automotive Inc. | Easy entry seat adjuster with mid position memory |
| US20110012004A1 (en) * | 2009-07-20 | 2011-01-20 | Lear Corporation | Single point easy entry seat latch for a vehicle seat |
| KR20120005736A (en) * | 2010-07-09 | 2012-01-17 | (주)케이엠앤아이 | Easy entry mid-memory system |
| CN102905934A (en) * | 2010-05-17 | 2013-01-30 | 麦格纳座椅公司 | Easy entry seat system with single position memory and hold open feature |
| CN203854532U (en) * | 2011-07-12 | 2014-10-01 | 爱信精机株式会社 | Seat sliding device for vehicle |
-
2017
- 2017-07-27 CN CN201710625600.0A patent/CN107415781B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002014103A1 (en) * | 2000-08-14 | 2002-02-21 | Intier Automotive Inc. | Easy entry seat adjuster with mid position memory |
| US20110012004A1 (en) * | 2009-07-20 | 2011-01-20 | Lear Corporation | Single point easy entry seat latch for a vehicle seat |
| CN102905934A (en) * | 2010-05-17 | 2013-01-30 | 麦格纳座椅公司 | Easy entry seat system with single position memory and hold open feature |
| KR20120005736A (en) * | 2010-07-09 | 2012-01-17 | (주)케이엠앤아이 | Easy entry mid-memory system |
| CN203854532U (en) * | 2011-07-12 | 2014-10-01 | 爱信精机株式会社 | Seat sliding device for vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843615A (en) * | 2019-11-29 | 2020-02-28 | 重庆延锋安道拓汽车部件系统有限公司 | Easy entry release mechanism for car seat |
| CN110843615B (en) * | 2019-11-29 | 2023-12-01 | 安道拓(重庆)汽车部件有限公司 | Easy-access unlocking mechanism for automobile seat |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107415781B (en) | 2019-04-12 |
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Address after: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee after: Yanfeng international Seat System Co., Ltd Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: Yanfeng andauto seat Co., Ltd |
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| CP01 | Change in the name or title of a patent holder |