CN109572499A - The locking device of seat rail for vehicle - Google Patents
The locking device of seat rail for vehicle Download PDFInfo
- Publication number
- CN109572499A CN109572499A CN201810316607.9A CN201810316607A CN109572499A CN 109572499 A CN109572499 A CN 109572499A CN 201810316607 A CN201810316607 A CN 201810316607A CN 109572499 A CN109572499 A CN 109572499A
- Authority
- CN
- China
- Prior art keywords
- lock pin
- sawtooth
- guide
- lock
- locking device
- 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
- B60N2/06—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 slidable
- B60N2/08—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 slidable characterised by the locking device
- B60N2/0806—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 slidable characterised by the locking device with pin alignment systems, e.g. with at least one of a plurality of locking pins always aligned w.r.t. at least one of a plurality of pin-receiving elements
Abstract
The present invention relates to seat rail for vehicle locking device, the periphery of lock pin (40) forms sawtooth portion (44).When crashing, sawtooth portion (44) is imprinted on the guide hole (31) of lock guide block (30), is formed sawtooth trace and is absorbed impact, and friction area increases, frictional force is set to increase and prevent lock pin (40) from falling off, to keep firm lock state.The sawtooth of the sawtooth portion (44) is formed with linear up and down, when usual lock pin (40) moves up and down, guide hole (31) will not be stuck in, to promote the operation sense of unlock rod (60).
Description
Technical field
The present invention relates to the locking devices of seat rail for vehicle, and specifically, multiple lock pins that upper rall is arranged in inject
The lockhole formed in lower guide is stuck, and is limited in upper rall in lower guide, so that fixing seat is moved forward and backward
Seat rail for vehicle locking device.
Background technique
The seat of vehicle is the loading for supporting passenger in operation, and passenger is made to keep the necessary of the posture of more comfortable safety
Structure.
Seat is located at the ground in compartment, and installs seat guide rail, before being adjusted as medium by the physical qualification of passenger using it
Position afterwards.
The structure of seat guide rail includes: the lower guide fixed on the ground, and can slide in lower guide and
The upper rall of top installation seat.
Have the locking device including multiple lock pins on upper rall, to be fixed on be moved forward and backward in lower guide it is upper
The position of portion's guide rail.
The seat guide rail locking device is as shown in Figure 1, move up and down path by guide hole (2a) guidance of lock guide block (2)
The lower end of lock pin (1) inject the lockhole (3a) that is located on lower guide (3) and be stuck, and then fix upper rall (no figure
Show) position on lower guide (3).
The lower end of the lock pin (1) is to incline equipped with outer peripheral surface to become easy reeve and separation to lockhole (3a)
The tapered portion (1b) on inclined-plane, the top of tapered portion (1b) are circumferentially equipped with transverse groove (1a).
For the slot (1a) as shown, can cause the bending of lock pin (1) when crashing, lock pin (1) is bent then slot
The side lower end of (1a) is stuck on lock guide block (2), makes a secondary intensity (intensity: not strong under bending state for lock pin (1)
Degree) it increases, and then seat is further firmly fixed when accident occurs.
But slot (1a) is formed on lock pin (1) as described above, then when lock pin (1) being made to rise release locking-in state usually, slot
(1a) can be stuck in guide hole (2a) inner peripheral surface of lock guide block (2), cause unlock not smooth, have when operating unlock rod and block sense.
Summary of the invention
Technical problem
It is an object of the present invention to which lock pin blocks intensity and can increase, and locking-in state is released in order to when accident occurs
When, release movement is smooth, and does not block sense in the operation of unlock rod, provides a kind of locking device of seat rail for vehicle.
Technical solution
In order to realize the purpose, the present invention includes: lower guide, is fixed on vehicle body ground, and be equipped with multiple lockholes；
Upper rall moves linearly along the lower guide；Guide block is locked, is fixed on the upper rall, and is equipped with multiple
Guide hole；Multiple lock pins are arranged on the upper rall, inject the guide hole, inject the top according to height its underpart
The lockhole of guide rail.After the lockhole of upper rall is injected in the lower part of the lock pin, the guide hole corresponding part of lock pin forms sawtooth portion.
The sawtooth portion forms multiple sawtooth along the circumference of lock pin, and sawtooth is the linear shape with up and down direction
At.
The sawtooth subordinate portion of the lock pin is equipped with the tapered portion that diameter gradually decreases.
The cylinder type small diameter portion that diameter gradually decreases due to tapered portion is formed on the tapered portion lower part of the lock pin.
The upper side of the upper rall assembles mounting bracket, and a side end of mounting bracket has unlock rod by rotationally
Setting, the lock pin support portion perforation upper rall of unlock rod enters the inside of lock guide block, on the pin hole of the lock pin support portion
The lock pin is injected, forms flange on lock pin, when the lock pin support portion rises, the flange is stuck and lock pin rises.
The top of the lock pin is protruded upwards by the upper side of upper rall and the through hole of mounting bracket, mounting bracket
The locking spring for always pushing lock pin downwards is equipped between frame and the flange.
Beneficial effect
According to present invention as described above, the beneficial effect is that,
In the state that lock pin locks, sawtooth is formed in the corresponding part of lock guide block guide hole, therefore when crashing,
The inner peripheral surface of guide hole is printed on sawtooth trace；
As described above, sawtooth trace is printed on and absorbs impact, under this shock absorbing effect, lock pin can be prevented to be bent
Or it is damaged, and then stably keep locking-in state.Because of the sawtooth of lock pin and the sawtooth trace of guide hole, the area that contacts with each other increases
Add, and then frictional force increases, to prevent lock pin from falling off, keeps lock state；
The sawtooth is vertically to be formed, ordinary operation unlock rod, when unlocking state, forms part in sawtooth
The part not being stuck between the inner peripheral surface of the lock guide block of lock guide block, therefore be smoothly released, the operation of unlock rod
Sense will not be blocked and promote operation sense.
Detailed description of the invention
Fig. 1 is the skeleton diagram of the seat guide rail locking device of the prior art, is lock pin curved schematic diagram when colliding；
Fig. 2 is the structure chart of seat rail for vehicle locking device of the invention；
Fig. 3 is the main portions of the invention i.e. enlarged drawing of lock pin；
Fig. 4 is using lock corresponding with lock pin sawtooth portion when crashing in seat guide rail locking device of the invention
The guide hole inner peripheral surface of guide block is printed on the schematic diagram of the appearance of sawtooth trace.
Symbol description
10: upper rall；20: lower guide；
21: lockhole；30: lock guide block；
31: guide hole；40: lock pin；
41: shank；42: large-diameter portion；
43: flange；44: sawtooth portion；
45: tapered portion；46: small diameter portion；
50: locking spring；60: unlock rod；
70: mounting bracket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and the particular embodiment of the present invention is described in detail, but
Described embodiments are some of the embodiments of the present invention, the embodiment being not all of.Based on the embodiments of the present invention, ability
Field technique personnel can still modify the technical solution described in foregoing embodiments, or to part of technical characteristic
It is equivalently replaced；And these are modified or replaceed, and still belong to technical solution of the present invention range.For ease of description, attached
The thickness of the line illustrated in figure or component size etc. may be illustrated by exaggeration.
Aftermentioned term be according to the present invention in the term that defines of function, according to user, with personnel intention or
Convention will be different.Therefore these terms should be defined on the basis of entire content in the present specification.
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing.
Fig. 2 is the structure chart of seat rail for vehicle locking device of the invention, and seat rail for vehicle of the invention locks dress
Set include: upper rall (10), lower guide (20), lock guide block (30), lock pin (40), locking spring (50), unlock rod (60),
Mounting bracket (70).
Upper rall (10) and lower guide (20) are components mutually movable linearly, and lower guide (20) is fixed on vehicle
Ground in compartment, upper rall assemble seat on (10).
Therefore, the front-rear position of adjustable seat.
Lock guide block (30) is fixed on the medial surface of upper rall (10), is formed on the horizontal part of lower end identical as lock pin (40) number
The guide hole (31) of quantity.Lock pin (40) injects the guide hole (31), and then the guide hole (31) guidance lock pin (40) moves up and down.
The upper surface of upper rall (10) assembles mounting bracket (70), and unlock rod (60) can be rotatably set in mounting bracket
(70) a side end (being located at upper rall (10) rear in Fig. 2).
The lock pin support portion of unlock rod (60) is the inside for penetrating through upper rall (10) and entering lock guide block (30), each lock pin
Each pin hole of support portion is all inserted with lock pin (40).
The upper end of lock pin (40) is by the through hole that is located on upper rall (10) and mounting bracket (70), to mounting bracket
The upper outside of frame (70) is protruded, and then is freely moved up and down.
The middle section of lock pin (40) is equipped with flange (43) (see Fig. 3), is equipped between flange (43) and mounting bracket (70)
The locking spring (50).
Locking spring (50) pushes the flange (43) to apply the strength for moving lock pin (40) downwards always.
Therefore lock pin (40) is located at lockhole (21) top of lower guide (20), then the spring (50) that is locked is shifted under lower section
Drop, is inserted into the lockhole (21) of lower guide (20), and then upper rall is locked on lower guide (20).
The guide hole (31) for locking guide block (30) at this time not only guides lock pin (40) to move up and down, and also laterally props up lock pin (40)
Support makes lower guide (20) and upper rall (10) keep secured by the lateral locking-in state of lock pin (40).
Lock state as described above is operation unlock rod (60) available release, the lock pin support portion of unlock rod (60)
Rise and push up flange (43), then lock pin (40) compresses locking spring (50) rising, the lockhole from lower guide (20)
(21) it is detached from and unlocking state.
In addition, the lock pin (40) is as shown in figure 3, the large-diameter portion of expanded in diameter is formed at the lower part of cylinder type shank (41)
(42), the flange (43) are equipped between shank (41) and large-diameter portion (42).
The outer peripheral surface for the cylindrical portion that the diameter of large-diameter portion (42) lower part slightly becomes smaller is equipped with the sawtooth for having sawtooth
Portion (44).Sawtooth portion forms entirety around sawtooth portion (44) outer peripheral surface, is arranged to rectilinear form up and down.
The tapered portion (45) that diameter gradually decreases is formed at the lower part in sawtooth portion (44), and being formed on the lower part of tapered portion (45) will
The cylindric small diameter portion (46) kept by the diameter of tapered portion (45) reduction.
The lock pin (40) of structure as described above is equipped with locking spring (40) in the assembled state, in the periphery of lock body (41).
The flange (43) plays as to the power acting surface of locking spring (50) and the lock pin support portion of unlock rod (60)
Function.
Under the lock state of lock pin (40) decline, the tapered portion (45) corresponds to the lockhole (21) of lower guide (20),
Become easy insertion and disengaging to lockhole (21).
Under the lock state of same lock pin (40) decline, the sawtooth portion (44) is injected in the guide hole (31) of lock guide block (30)
Portion.
On the other hand, it in vehicle driving, crashes and coherence power when acting on seat, fixed on the seat upper
The relative motion of mutual opposite direction occurs between portion's guide rail (10) and lower guide (20), the lower part of lock pin (40) is stuck at this time
The lockhole (21) of lower guide (20), lock guide block (30) and upper rall (10) move together and lock guide block (30) and lock pin (40)
Between strong collision occurs.
When crashing, seat and upper rall (10) and lower guide (30) are to vehicle front (direction arrow F)
It is mobile, thus the collision can occur the rear of vehicle part of guide hole (31) inner peripheral surface of lock guide block (30) and lock pin (40) it
Between, because of the collision, sawtooth trace (44 ') as shown in Figure 4 is printed in guide hole (31) rear side.
The sawtooth trace (44 ') and the sawtooth of sawtooth portion (44) are identically formed, therefore are formed linear up and down.
As described above, forming sawtooth trace (44 ') on guide hole (31) inner peripheral surface of lock guide block (30), that is, guide hole
(31) inner peripheral surface is realized the absorption of impact and is buffered by sawtooth portion (44) pressurizing and deformation.
Under the buffer function, when collision, is also possible to prevent lock pin (40) deformation.
The male and fomale(M&F) in sawtooth portion (44) and the male and fomale(M&F) of sawtooth trace (44 ') contact with each other, therefore than existing lock pin (40)
It is compared when with the contact of the sliding surface of guide hole (31), contact area increases, and frictional force expands, the deformation (bending) of lock pin (40) is prevented,
And impact moment lock pin (40) is not easily disconnected from guide hole (31), firm lock state is kept, thus the position fixing shape of seat
State keeps stablizing.
The sawtooth portion (44) is formed as linear up and down, therefore operates unlock rod (60) under usual use state and lift
It sawtooth portion (44) will not occur when lock pin (40) is stuck on guide hole (31) to block sense.As described above, when lock pin (40) rises not
Sense can be blocked, to promote the operation sense of unlock rod (60).
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although referring to the reality in attached drawing
Applying example, invention is explained in detail, but it should be understood by those skilled in the art that: it still can be to aforementioned each implementation
Technical solution described in example is modified or replaced equivalently.Therefore protection scope of the present invention should be according to following claims
Range explains.
Claims (6)
1. a kind of locking device of seat rail for vehicle, which is characterized in that
Include: lower guide, is fixed on vehicle body ground, and be equipped with multiple lockholes；
Upper rall moves linearly along the lower guide；
Guide block is locked, is fixed on the upper rall, and is equipped with multiple guide holes；
Multiple lock pins are arranged on the upper rall, inject the guide hole, inject the upper guide according to height its underpart
The lockhole of rail；And
When the lockhole of upper rall is injected in the lower part of the lock pin, the guide hole corresponding part of lock pin forms sawtooth portion.
2. the locking device of seat rail for vehicle according to claim 1, which is characterized in that
The sawtooth portion forms multiple sawtooth along the circumference of lock pin, and sawtooth is the linear formation with up and down direction.
3. the locking device of seat rail for vehicle according to claim 2, which is characterized in that
The sawtooth subordinate portion of the lock pin is equipped with the tapered portion that diameter gradually decreases.
4. the locking device of seat rail for vehicle according to claim 3, which is characterized in that
The tapered portion lower part of the lock pin is equipped with the cylinder type small diameter portion that diameter gradually decreases due to tapered portion.
5. the locking device of seat rail for vehicle according to claim 1, which is characterized in that
The upper side of the upper rall assembles mounting bracket, and a side end of mounting bracket has unlock rod rotationally to be set
It sets, the lock pin support portion perforation upper rall of unlock rod enters the inside of lock guide block, inserts on the pin hole of the lock pin support portion
Into the lock pin, flange is formed on lock pin, when the lock pin support portion rises, the flange is stuck and lock pin rises.
6. the locking device of seat rail for vehicle according to claim 5, which is characterized in that
The top of the lock pin is protruded upwards by the through hole of the upper side of upper rall and mounting bracket, mounting bracket and
The locking spring for always pushing lock pin downwards is equipped between the flange.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170125995A KR101908085B1 (en) | 2017-09-28 | 2017-09-28 | Locking device of seat rail for vehicle |
| KR10-2017-0125995 | 2017-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572499A true CN109572499A (en) | 2019-04-05 |
| CN109572499B CN109572499B (en) | 2021-11-02 |
Family
ID=63865753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810316607.9A Active CN109572499B (en) | 2017-09-28 | 2018-04-10 | Locking device for vehicle seat rail |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101908085B1 (en) |
| CN (1) | CN109572499B (en) |
| DE (1) | DE102018205936B4 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040026975A1 (en) * | 2000-11-15 | 2004-02-12 | Peter Rausch | Motor vehicle seat |
| WO2007094012A2 (en) * | 2006-02-13 | 2007-08-23 | Ifb Automotive Private Ltd | Slider locking system |
| US20080315662A1 (en) * | 2005-03-02 | 2008-12-25 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Arrester Device For an Adjustable Vehicle Seat |
| CN103180169A (en) * | 2010-10-27 | 2013-06-26 | C.劳勃.汉默斯坦两合有限公司 | Locking unit of a longitudinal adjustment device of a motor vehicle seat, comprising catch pins |
| CN103237680A (en) * | 2010-12-02 | 2013-08-07 | C.劳勃.汉默斯坦两合有限公司 | Method and device for producing a locking device and locking device for a longitudinal adjustment mechanism of a vehicle seat |
| KR101671644B1 (en) * | 2015-08-25 | 2016-11-01 | 주식회사다스 | Locking device for seat rail |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20221777U1 (en) | 1970-05-12 | 2007-08-30 | C. Rob. Hammerstein Gmbh & Co. Kg | Locking device of a longitudinal adjusting unit of a vehicle seat has a plunger pin with a groove region located close to a lower end of an opening when the plunger pin is locked in the one of the locking openings |
| DE102007042595B4 (en) | 2007-09-07 | 2015-06-25 | Johnson Controls Gmbh | Adjusting device for longitudinal adjustment of a motor vehicle component |
| JP2016074369A (en) | 2014-10-08 | 2016-05-12 | Ｋｙｂ株式会社 | Impact absorption type steering shaft |
| DE202015005454U1 (en) | 2015-08-06 | 2015-11-24 | Faurecia Autositze Gmbh | Pair of rails for a longitudinally adjustable vehicle seat |
-
2017
- 2017-09-28 KR KR1020170125995A patent/KR101908085B1/en active IP Right Grant
-
2018
- 2018-04-10 CN CN201810316607.9A patent/CN109572499B/en active Active
- 2018-04-18 DE DE102018205936.5A patent/DE102018205936B4/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040026975A1 (en) * | 2000-11-15 | 2004-02-12 | Peter Rausch | Motor vehicle seat |
| US20080315662A1 (en) * | 2005-03-02 | 2008-12-25 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Arrester Device For an Adjustable Vehicle Seat |
| WO2007094012A2 (en) * | 2006-02-13 | 2007-08-23 | Ifb Automotive Private Ltd | Slider locking system |
| CN103180169A (en) * | 2010-10-27 | 2013-06-26 | C.劳勃.汉默斯坦两合有限公司 | Locking unit of a longitudinal adjustment device of a motor vehicle seat, comprising catch pins |
| CN103237680A (en) * | 2010-12-02 | 2013-08-07 | C.劳勃.汉默斯坦两合有限公司 | Method and device for producing a locking device and locking device for a longitudinal adjustment mechanism of a vehicle seat |
| KR101671644B1 (en) * | 2015-08-25 | 2016-11-01 | 주식회사다스 | Locking device for seat rail |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101908085B1 (en) | 2018-10-15 |
| CN109572499B (en) | 2021-11-02 |
| DE102018205936A1 (en) | 2019-03-28 |
| DE102018205936B4 (en) | 2023-10-05 |
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