CN100532152C - Guide rail locking apparatus for vehicle seat - Google Patents
Guide rail locking apparatus for vehicle seat Download PDFInfo
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- CN100532152C CN100532152C CNB2005100933033A CN200510093303A CN100532152C CN 100532152 C CN100532152 C CN 100532152C CN B2005100933033 A CNB2005100933033 A CN B2005100933033A CN 200510093303 A CN200510093303 A CN 200510093303A CN 100532152 C CN100532152 C CN 100532152C
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- locking
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- locking member
- seat slide
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Abstract
The invention discloses a locking device of vehicle chair rail, which comprises the following parts: lower rail, upper rail on the lower rail, locking guide part on the upper rail chassis surface, locking component with multiple locking projection to lift the locking guide part, multiple locking grooves to gear locking component on the lower rail surface, locking spring to locking groove for locking projection in the locking guide part.
Description
Technical field
The present invention relates to the latching device of seat rail for vehicle, more specifically, relate to and be designed to make the upper and lower guide rail that the constitutes seat slide latching device of seat rail for vehicle of motion that can under control, move forward and backward, thereby make the passenger on seat, keep optimum regime.
Background technology
Vehicular seats do to keep the posture of passenger in vehicle, and is fixed on the top of seat slide, its allow seat according to passenger's health in the slip of reaching the standard grade property of seat slide, so the passenger can keep comfortable posture on the seat.
With reference to figure 8, seat slide 1 generally includes the lower guide 2 that is fixed to vehicle body and is connected to the upper rall 3 of lower guide 2, and is fixed with passenger seat thereon.
Seat slide 1 be provided with the locking guiding parts 6, it is fixed on the basal surface of upper rall 3, and pass the locking guiding parts 6 basal surface be formed with pilot hole 5 so that from then on the member of locking component 10 can enter or withdraw from.Seat slide 1 also comprises locking component 10, and it places between upper rall 3 and the locking guiding parts 6.The top of locking component 10 is connected to joystick, and is formed with a plurality of locking projections 7 and 8 in its underpart, makes that locking component 38 can be locking guiding parts 6 inner rises or reduction.
The lock slots 11 of lower guide 2 and 12 in the middle of lower guide 2 vertically on evenly be spaced, make locking projections 7 and 8 can with lock slots 11 and 12 engagements.In addition, locking component 10 is equipped with locking spring 15, and it pushes down locking component 10 all the time, so that impel locking projections 7 and 8 to mesh with lock slots 11 and 12, thereby has finished latching device 15.
According to above-mentioned traditional latching device 15 as shown in Figure 9, when the locking projections 7 of locking component 10 and 8 beginnings during with lock slots 11 and 12 engagements, if locking projections 7 and 8 and lock slots 11 and 12 between have small gap, big problem can not take place just.
But when seat slide was reorientated, the right side of seat slide and left side were not accurately aimed at, make the right side that is arranged on seat slide and left side locking component locking projections 7 and 8 and lock slots 11 and 12 can not accurately mesh mutually.
That is to say, even the locking projections 7 of seat slide one side or 8 and lock slots 11 or 12 accurately mesh, because distortion of seat slide or the like, locking projections 7 or 8 also can not exclusively cooperate at opposite side with lock slots 11 or 12, therefore can not mesh with lock slots 11 or 12, make between locking projections and lock slots, to occur not meshing or incomplete ingear situation.
Like this, in seat slide, just can not keep sufficient steadiness, and when external force such as collision put on the seat, seat slide such external force can not be overcome, thereby injury can be caused the passenger.
Especially, when locking projections 7 and 8 and lock slots 11 and 12 whens engagement, because the distortion of associated components in the seat use can not guarantee the closed contact between locking projections and the lock slots.Therefore, a side of locking projections contact lock slots or be positioned at the center of lock slots and do not contact lock slots, thus further reduced the steadiness (safety) of seat slide.
In addition, when producing the gap (for example opening the control stalk of locking component etc.), also can cause problem, for example the incomplete engagement between locking projections and the lock slots owing to the tolerance of the connecting bridge between the seat slide associated components and wearing and tearing.
Summary of the invention
The present invention is used for addressing the above problem, gap or the meshing error that causes by the single locking component of tradition for example, and, one of purpose of the present invention provides a kind of latching device, it is designed to by using the pair of locking member to keep the locking state of the parts of latching device, even the left side of seat slide and right side be in same position and because the distortion of seat slide or its normal position of distortion skew, thereby guaranteed the safety of seat in comfortable promoting seat.
Description of drawings
Referring to subsequently detailed description, can more be expressly understood the aforesaid target of the present invention and other target and feature in conjunction with the accompanying drawings, in the accompanying drawings:
Fig. 1 shows the decomposition diagram according to the seat rail for vehicle that has latching device of the embodiment of the invention;
Fig. 2 shows the section drawing of the latching device of obtaining along the line A-A of Fig. 1;
Fig. 3 shows the section drawing of the latching device of obtaining along the line B-B of Fig. 1;
Fig. 4 shows the view that is in locking state with reference to the latching device of the seat rail for vehicle of the embodiment of the invention;
Fig. 5 shows the amplification sectional view that is in locking state with reference to the latching device of the seat rail for vehicle of the embodiment of the invention;
Fig. 6 shows the transparent view with reference to the seat rail for vehicle that has latching device of another embodiment of the present invention;
Fig. 7 shows the transparent view with reference to the seat rail for vehicle that has latching device of another embodiment of the present invention;
Fig. 8 shows the section drawing of traditional latching device of seat rail for vehicle, wherein for for the purpose of clear, has omitted some members of latching device; With
Fig. 9 shows the amplification sectional view of the lock part of seat rail for vehicle tradition latching device.
The specific embodiment
With reference now to accompanying drawing, describes preferred embodiment in detail.
Fig. 1 is the decomposition diagram that has the seat rail for vehicle of latching device according to an embodiment of the invention, and Fig. 2 is the section drawing of obtaining along the A-A line of Fig. 1, and Fig. 3 is the section drawing of obtaining along the B-B line of Fig. 1.Fig. 4 shows the seat rail for vehicle that is in the lock state according to described embodiment, and Fig. 5 is the increasing cross-sectional view that the latching device according to described embodiment is in the lock state.Fig. 6 is the transparent view of the seat rail for vehicle that has latching device that illustrates according to another embodiment of the invention, and Fig. 7 shows the transparent view of the seat rail for vehicle that has latching device according to still a further embodiment.
Usually, the seat slide 30 of vehicle comprises the lower guide 31 that is fixed on the vehicle body and is connected to the upper rall 32 of lower guide 31, and has passenger seat to fix on upper rall 32.
Characteristics of the present invention are that the locking component 37 that constitutes latching device 45 improves textural, even make seat slide wearing and tearing or distortion occur, latching device also can keep enough latching force with prevention et out of order (for example seat slide 30 left sides and right side do not line up), has therefore guaranteed the safety of seat.
For this purpose, latching device 45 of the present invention is provided with pair of locking member 37, even make in the left side of seat slide 30 or right side when deforming, whole in a plurality of locking projections 35 and 36 of locking component 37 or some always can be connected to relevant lock slots 39 and 40.
Preferably, on pair of locking member 37, be respectively arranged with locking projections 35 and 36, its set-up mode is as follows: one in the locking component 37 has locking projections 35 and 36, it mainly is set to the front side towards seat slide 30, and another has locking projections 35 and 36, the rear side that it mainly is set to towards seat slide 30 makes the locking projections 35 and 36 of this a pair of locking component 37 arrange inconsistently on the longitudinal direction of seat slide 30, as shown in Figure 5.
At this moment, as shown in Figure 5, identical to the overall width B of the rear surface of the projection 35 of another locking component 37 of on the direction of seat slide 30, arranging inconsistently with the length B1 of lock slots 39 or 40 from the front surface of the locking projections 36 of a locking component 37.
Locking component of the present invention as constituted above can be applicable to the lateral type latching device, and it is designed to and can be opened and closure in the side direction rotation, shown in Fig. 6 and 7, also can be used for the vertical lifting latching device shown in the figure.
In this case, locking projections 35 and 36 can be formed at respectively with on the staged arrangement upper and lower locking component 37 in vertical direction, makes this locking projections 35 and 36 to locking component 37 to be arranged in inconsistently on the direction of seat slide 30.
In addition, under the situation of these a pair of locking component 37 linear arrangement at longitudinal direction, locking projections 35 and 36 can be arranged on the locking component of longitudinally arranging 37, make a locking component 37 have locking projections 35 and 36, it mainly is set to towards seat slide 30 front sides, and another has locking projections 35 and 36, and the rear side that it mainly is set to towards seat slide 30 makes locking projections 35 and 36 arrange inconsistently on the direction of seat slide 30.
In addition, be not limited to above-mentioned structure, this to locking component 37 can be mutually away from or arrange at different directions, in this case, locking projections can be separately positioned on the locking component 37, makes that the location the when location of projection on seat slide 30 arranged locking component 37 is approaching mutually with this is identical.
According to above-mentioned the present invention, the position of adjustment seat seat rail 30 can make the locking component 37 between lower guide 31 and upper rall 32 raised, make the locking projections 35 and 36 of locking component 37 depart from and pass lock slots 39 that lower guide 31 forms and 40 engagement, thereby the seat that makes upper rall 32 make on it to be installed slides on seat slide 30.
In this case, after seat is longitudinally reorientated, locking component 37 is lowered by locking spring 41, and get back to its initial position in locking guiding parts 34, so that the locking projections 35 of locking component 37 and 36 and lock slots 39 and 40 engagements, thereby make seat keep the state reorientate.
When reorientating seat according to passenger's physical trait as mentioned above, owing to the distortion of seat slide 30, frequently use seat slide, external pressure etc., the situation of misalignment can appear in the left side of seat slide 30 and right side.
But, even under such state, because latching device of the present invention has a pair of locking component 37 that comprises locking projections 35 and 36, make locking projections arrange inconsistently and therefore vertically departing from mutually on seat slide 30, so that be easy to keep the state that locks.
Therefore, this can mesh with relevant lock slots 39 and 40 respectively with 36 fully to locking projections 35.Perhaps, one in the locking projections 35 and 36 can be meshed fully with a corresponding lock slots 39 or 40, simultaneously another may not can corresponding with another one lock slots 39 or 40 engagements.Perhaps, two locking projections 35 and 36 can part and lock slots 39 and 40 engagements.Like this, locking projections 35 and 36 meshes with difformity and lock slots under any position and state, thereby has kept the engagement between locking projections and the lock slots.
In addition, when locking projections 35 and 36 and lock slots 39 and 40 whens coupling, one in the locking projections 35 and 36 is set to towards seat slide 30 fronts, and another is set to the back towards seat slide 30, so the engagement between locking projections and the lock slots is very close to each other, thereby kept firm engagement therebetween.
Like this, even when using locking component 37, when between the associated components of locking component 37, having produced gap or distortion, because locking component 37 has locking projections 35 and 36, it is designed to mesh with lock slots 39 and 40 under any state, and have closely with lock slots 39 and 40 in locking projections 35 and 36 and to contact, so blocking device can provide a kind of stabilized conditions of optimization.
Can obviously find out from the above description, the invention provides useful effect, gap or meshing error problem have been overcome as causing by the single locking component of tradition, and because locking component can overcome the distortion and the distortion on the left side and the right side of seat slide effectively, so when the raising seat is comfortable, guaranteed the safety of seat.
Should be understood that embodiment and accompanying drawing are described for illustrative purposes, and the present invention should be limited by claims.In addition, it will be apparent to those skilled in the art that in the scope and spirit of the present invention that are defined by the following claims, multiple modification, increase and replacement can be arranged, and do not depart from scope and spirit of the present invention.
Claims (9)
1. the latching device of a seat rail for vehicle, it comprises:
Be fixed to the lower guide of vehicle body;
Upper rall, it is connected to described lower guide, and is fixed with passenger seat on described upper rall;
The locking guiding parts, it is fixed on the basal surface of described upper rall;
Be arranged on described locking guiding parts in-to-in pair of locking member, the top of each described locking component is connected to joystick, and the bottom of each described locking component is formed with a plurality of locking projections, makes described locking component can be in described locking guiding parts raised or fall;
A plurality of lock slots, described lock slots passes the basal surface of described lower guide and forms, thereby meshes with described locking projections; With
Be arranged on described locking guiding parts in-to-in locking spring, it pushes down described locking component consistently, so that the described lock slots engagement of described locking projections and described lower guide,
On the left side or the right side of described seat slide distortion has taken place even wherein said pair of locking member is configured to make, all or part of of a plurality of locking projections of described pair of locking member also can keep engagement with described lock slots, and
Wherein be formed on described locking projections on the described locking component in the described pair of locking member and the described locking projections on another the described locking component in the described pair of locking member and be arranged in inconsistently on the guide rail direction and therefore and on described guide rail, vertically depart from mutually, be used for overcoming the distortion of described seat slide.
2. device as claimed in claim 1, the equal in length of a lock slots of the overall width of the rear surface of another described projection and described lower guide wherein from the front surface of the described locking projections of one of described pair of locking member to described pair of locking member, described projection on the described locking component in the described pair of locking member and the described locking projections on another the described locking component in the described pair of locking member are arranged on the direction of described seat slide inconsistently and therefore vertically depart from mutually on described guide rail.
3. device as claimed in claim 1, wherein said pair of locking member is installed on the described seat slide, so that described locking component can be rotated to be opened or be closed by described relatively seat slide on side direction.
4. device as claimed in claim 1, wherein said pair of locking member closely are provided with mutually.
5. device as claimed in claim 1, wherein said pair of locking member mutually away from or be provided with in different directions, the location when making the location of described projection on described seat slide of described pair of locking member closely arrange mutually locking component with this is identical.
6. device as claimed in claim 3, wherein said pair of locking member closely are provided with mutually.
7. device as claimed in claim 3, wherein said pair of locking member mutually away from or be provided with in different directions, the location when making the location of described projection on described seat slide of described pair of locking member closely arrange mutually locking component with this is identical.
8. device as claimed in claim 3, wherein said pair of locking member is provided with in vertical direction, to obtain the upper and lower locking component of step, and described locking projections is respectively formed on the locking component of described upper and lower, makes on the direction that described locking projections on the described locking component in the described pair of locking member and the described locking projections on another the described locking component in the described pair of locking member be arranged in described seat slide inconsistently and therefore vertically departs from mutually on described guide rail.
9. device as claimed in claim 3, wherein said pair of locking member is arranged on the longitudinally of described seat slide, and described locking projections is formed at respectively on the described locking component, makes on the direction that described locking projections on the described locking component in the described pair of locking member and the described locking projections on another the described locking component in the described pair of locking member be arranged in described seat slide inconsistently and therefore vertically departs from mutually on described guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100933033A CN100532152C (en) | 2005-08-23 | 2005-08-23 | Guide rail locking apparatus for vehicle seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100933033A CN100532152C (en) | 2005-08-23 | 2005-08-23 | Guide rail locking apparatus for vehicle seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1919648A CN1919648A (en) | 2007-02-28 |
| CN100532152C true CN100532152C (en) | 2009-08-26 |
Family
ID=37777542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100933033A Active CN100532152C (en) | 2005-08-23 | 2005-08-23 | Guide rail locking apparatus for vehicle seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532152C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5632727B2 (en) * | 2010-12-13 | 2014-11-26 | シロキ工業株式会社 | Slide rail device for vehicle |
| KR101230850B1 (en) * | 2011-05-17 | 2013-02-07 | 주식회사다스 | Seat rail locking device of vehicle |
| US9855868B2 (en) * | 2012-06-04 | 2018-01-02 | Lear Corporation | Seat adjuster assembly |
| CN109017467A (en) * | 2018-09-30 | 2018-12-18 | 湖北航嘉麦格纳座椅***有限公司 | Vehicle seat and its Manual sliding track mechanism |
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2005
- 2005-08-23 CN CNB2005100933033A patent/CN100532152C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN1919648A (en) | 2007-02-28 |
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