CN202686003U - Locking device of automobile seat sliding rail and with structural improvement - Google Patents
Locking device of automobile seat sliding rail and with structural improvement Download PDFInfo
- Publication number
- CN202686003U CN202686003U CN 201220285961 CN201220285961U CN202686003U CN 202686003 U CN202686003 U CN 202686003U CN 201220285961 CN201220285961 CN 201220285961 CN 201220285961 U CN201220285961 U CN 201220285961U CN 202686003 U CN202686003 U CN 202686003U
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- return spring
- locking
- lock pin
- sliding rail
- automobile seat
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Abstract
The utility model provides a locking device of an automobile seat sliding rail and with structural improvement, and belongs to the field of vehicle accessories. The automobile seat sliding rail comprises an upper guide rail, a lower guide rail and the locking device, wherein the upper guide rail comprises an upper installation face and folding edges, the lower guide rail comprises a lower installation face and folding walls, the upper installation face is provided with more than four guiding holes, the folding edges are provided with fixing lugs and spring fixing holes, and the lower installation face is provided with more than four locking grooves. The locking device comprises locking pins, pressure springs, a limiting plate, a return spring and an unlocking block, locking pin holes are arranged in the bottom face of the limiting plate, lower ends of the locking pins form locking faces, middles of the locking pins are provided with locking pin stop protrusions in protruding mode, the locking pins are at least four, the pressure springs are sleeved on the locking pins, the unlocking block is provided with an unlocking claw, a return spring hole and a return spring groove, and the return spring is provided with a first return spring hook and a second return spring hook. The locking device of the automobile seat sliding rail and with the structural improvement has the advantages that a gap is small, and locking strength is good; synchronicity in sliding forwards and backwards is good, a self-locking phenomenon does not occur, and adjusted step pitch is small and is about 5 millimeters; components are few, assembly is convenient, manufacturing is convenient, and cost is low; and the application range is wide.
Description
Technical field
The utility model belongs to the vehicle body fittings technical field, be specifically related to a kind of be installed between the automotive seat upper/lower guide, can lock and the blocking device of the sliding rail of automobile seat of the device, particularly a kind of structural development of release sliding rail of automobile seat
Background technology
The function of sliding rail of automobile seat is the seat front and back position for a change, and slide rail is locked, so the blocking device of sliding rail of automobile seat must be joined at sliding rail of automobile seat.At present, the comparatively common blocking device that is applied on the automobile seat slide rail on the market mainly contains the lock pawl, the locking emissions groove consists of.Can obtain understanding in the technical scheme by previous disclosed Chinese invention patent Granted publication CN100447016C to this.This patent scheme discloses a kind of " sliding rail for vehicle seat ", and its achievement part is: the locking balance, and emissions groove distortion, distortion can not appear locking, can demonstrate fully safety; The locking step pitch only is 10～12mm, the advantage that can finely tune the seat front and back position.But also expose in actual use following problem: because slide rail is that a plurality of lock teeth are locked into the locking emissions groove simultaneously when locking, thus higher to the requirement on machining accuracy of parts, the difficult control of the conformability in slide rail gap and synchronism.And for example, Chinese utility model patent Granted publication CN201189827Y, " a kind of sliding rail for vehicle seat " disclosed, its achievement part is: the bind mode of bilateral locking, the distortion of toothrow or locked groove, distortion can not appear locking in the coupling mechanism force balance, can guarantee to use safety, step pitch only is 10～12mm, therefore can satisfy the driver and passenger does forward and backward adjustment to seat position fine setting requirement.But also expose in actual use following point: because the locking toothrow places both sides, and corresponding with locked groove, so higher to the requirement on machining accuracy of part.
Again, it is large that present sliding rail for vehicle seat ubiquity is adjusted step pitch, causes therefrom can't satisfy the driving staff and want the optimal comfort degree that reaches; Again, the latch-up structure of existing sliding rail for vehicle seat is for lock pawl and locking emissions groove locking, and is higher to the requirement on machining accuracy of part, the difficult control of the conformability in slide rail gap and synchronism.
In view of above-mentioned prior art, be necessary existing rail structure is improved, technical scheme described below produces under this background
Summary of the invention
The purpose of this utility model is the blocking device that a kind of sliding rail of automobile seat of structural development will be provided, not only locking intensity is high, synchronism is good for it, little without self-locking, gap, and step pitch further reduces, can realize better the slide rail front and back position the fine setting operation, guarantee to use safety; Simultaneously requirement on machining accuracy low, conveniently make, reduce production costs, applied widely.
The purpose of this utility model reaches like this, a kind of blocking device of sliding rail of automobile seat of structural development, described sliding rail of automobile seat comprises upper rail, lower guideway and be located at upper rail, blocking device between the lower guideway, described upper rail comprises attachment face and is arranged on the flanging of attachment face sidepiece, described lower guideway comprises lower attachment face and is arranged on the folding wall of lower attachment face sidepiece, be characterized in: described upper attachment face is arranged at intervals with pilot hole more than four and four at the nearly medium position of length direction, described flanging is provided with fixedly ear at the nearly medium position of length direction, end at length direction offers the spring fixed orifice, offers the first return spring hole at described fixedly ear; Described lower attachment face is arranged at intervals with locked groove more than four and four at the midway location of length direction; Described blocking device comprises lock pin, stage clip, positioning plate, return spring is conciliate lock dog, described positioning plate be positioned at four above pilot holes under and be fixed on the attachment face, midway location offers lockpin hole in the bottom surface of positioning plate, the quantity of described lockpin hole is identical with the quantity of described pilot hole and the position is corresponding, described lock pin is formed with the locking face in the lower end of short transverse, it is protruding that midway location convexes with the lock pin gear, the quantity of lock pin has four pieces at least, one end of each lock pin is located in the pilot hole, the other end of each lock pin is corresponding with the locked groove on the lower guideway after passing lockpin hole, the quantity of described stage clip is identical with the quantity of lock pin, and be set in respectively on the lock pin and at lock pin and keep off between the protruding and upper attachment face, the front end of described solution lock dog is formed with a plurality of releasing claws, offer one second return spring hole in the middle of the front end, front bottom end consists of the return spring groove mutually concordant with the second return spring hole, described releasing claw places between adjacent two lock pins and is positioned at the protruding below of lock pin gear, one end of described return spring consists of the first return spring hook, the other end consists of the second return spring hook, wherein: described the first return spring hook places in the spring fixed orifice, and described the second return spring is hooked in and passes the first return spring hole and the second return spring hole is placed in the return spring groove.
In a specific embodiment of the present utility model, described positioning plate takes the shape of the letter U, the both sides of U-shaped open end outwards turn down extends and consists of a pair of spacing lug is arranged, on a pair of spacing lug, offer respectively the pin fixed orifice, described positioning plate by a pair of set pin on passing on the attachment face behind the corresponding through hole with a pair of spacing lug on the pin fixed orifice be connected and fixed.
In another specific embodiment of the present utility model, described fixedly ear has a pair of, is provided with symmetrically respectively one first return spring hole on a pair of fixedly ear.
In another specific embodiment of the present utility model, the quantity of described releasing claw is lacked one than the quantity of lock pin.
In another specific embodiment of the present utility model, described locking face is inverted cone-shaped.
In of the present utility model and then specific embodiment, described locked groove be shaped as oblong, and the spacing between the spacing between adjacent two locked grooves and adjacent two lock pins is unequal.
More of the present utility model and in specific embodiment, the spacing between described adjacent two locked grooves is greater than the spacing between adjacent two lock pins.
The utility model is because after adopting said structure, one of advantage that has, because after lock pin passes pilot hole and lockpin hole location, the locking face that has on the lock pin is locked into locked groove, only selling again, face is inverted cone-shaped, therefore, when the locking face of inverted cone-shaped cooperated locking with locked groove, the slide rail gap was little, locking is reliable, and locking intensity is good; Advantage two, since lock pin have four pieces at least, spacing between adjacent lock pin is different from spacing between adjacent locked groove, so slide rail is when locking, many pieces of lock pins can not be locked in the locked groove simultaneously, the locking face of lock pin is locked at the side of locked groove length direction again, and a locked groove can only be locked into a lock pin, the locking face is positioned at homonymy or the both sides of different locked grooves, therefore, the locking of slide rail, release, front and back slip synchronism are good, and without locking phenomenon, simultaneously, the step pitch that slide rail is regulated is little, is about 5mm, can realize better the fine setting operation of slide rail front and back position; Advantage three, parts are few, simple in structure, easy to assembly, are convenient to processing and fabricating, productive costs is low; Advantage four, applied widely, can realize and any slide rail between locking.
Description of drawings
Fig. 1 is an embodiment shaft side figure of the present utility model.
Fig. 2 is that blocking device described in the utility model is at the first fit structure scheme drawing of lockup state.
Fig. 3 is that blocking device described in the utility model is at the second fit structure scheme drawing of lockup state.
Fig. 4 is that blocking device described in the utility model is at the third fit structure scheme drawing of lockup state.
Fig. 5 is that blocking device described in the utility model is at the 4th kind of fit structure scheme drawing of lockup state.
Fig. 6 is that blocking device described in the utility model is at the structural representation of released state.
Among the figure: 1. fixedly ear, 1211. first return spring holes, 122. spring fixed orifices of attachment face, 111. pilot holes, 12. flangings, 121. on the upper rail, 11.; 2. lower guideway, 21. times attachment faces, 211. locked grooves, 22. are rolled over walls; 3. positioning plate, 31. lockpin holes, 32. spacing lugs, 321. are sold fixed orifices, 33. set pins; 4. return spring, 41. first return spring hooks, 42. second return spring hooks; 5. separate lock dog, 51. releasing claws, 52. second return spring holes, 53. return spring grooves; 6. lock pin, 61. locking faces, 62. lock pins keep off protruding; 7. stage clip.
The specific embodiment
For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates by reference to the accompanying drawings in the mode of embodiment below, but all be not restriction to the utility model scheme to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Please refer to Fig. 1 and in conjunction with Fig. 2 to Fig. 6, the blocking device of the sliding rail of automobile seat of a kind of structural development of the utility model, described sliding rail of automobile seat comprise upper rail 1, lower guideway 2 and are located at blocking device between upper rail 1, the lower guideway 2.Described upper rail 1 comprises attachment face 11 and is arranged on the flanging 12 of attachment face 11 sidepieces.Described lower guideway 2 comprises lower attachment face 21 and is arranged on the folding wall 22 of lower attachment face 21 sidepieces, described upper attachment face 11 is arranged at intervals with pilot hole 111 more than four and four at the nearly medium position of length direction, the quantity of pilot hole 111 can be four, five, six etc., be preferably in the present embodiment four, described flanging 12 is provided with fixedly ear 121 at the nearly medium position of length direction, end at length direction offers a spring fixed orifice 122, described fixedly ear 121 has a pair of, is provided with symmetrically respectively one first return spring hole 1211 on a pair of fixedly ear 121.Described lower attachment face 21 is arranged at intervals with locked groove 211 more than four and four at the midway location of length direction, and the shape of described locked groove 211 is unrestricted, is preferably in the present embodiment oblong.Described blocking device comprises lock pin 6, stage clip 7, positioning plate 3, return spring 4 reconciliation lock dogs 5.Described positioning plate 3 takes the shape of the letter U, the both sides of U-shaped open end outwards turn down extends and consists of a pair of spacing lug 32 is arranged, positioning plate 3 be positioned at four and four above pilot holes 111 under and be fixed on the upper attachment face 11 by a pair of spacing lug 32, specifically: on a pair of spacing lug 32, offer respectively pin fixed orifice 321, described positioning plate 3 by a pair of set pin 33 on passing on the attachment face 11 behind the corresponding through hole with a pair of spacing lug 32 on pin fixed orifice 321 be connected and fixed, midway location offers lockpin hole 31 in the U-shaped bottom surface of positioning plate 3, and the quantity of the quantity of described lockpin hole 31 and described pilot hole 111 is identical and the position is corresponding.Described lock pin 6 is formed with locking face 61 in the lower end of short transverse, midway location convexes with lock pin and keeps off protruding 62, described locking face 61 is inverted cone-shaped, the quantity of described lock pin 6 has four pieces at least, it can be five pieces, six pieces, seven pieces etc., in the present embodiment, be preferably four pieces, one end of each lock pin 6 is located in the pilot hole 111, the other end of each lock pin 6 is corresponding with the locked groove 211 on the lower guideway 2 after passing lockpin hole 31, and the spacing between the spacing between adjacent two lock pins 6 and adjacent two locked grooves 211 is unequal, and preferred scheme is that spacing between adjacent two locked grooves 211 is greater than the spacing between adjacent two lock pins 6 in the present embodiment.The quantity of described stage clip 7 is identical with the quantity of described lock pin 6, and be set in respectively on the lock pin 6 and lock pin keep off protruding 62 and upper attachment face 11 between.The front end of described solution lock dog 5 is formed with and offers one second return spring hole 52, front bottom end in the middle of a plurality of releasing claws 51, front end and consist of the return spring groove 53 mutually concordant with the second return spring hole 52 arranged, the quantity of described releasing claw 51 is lacked one than the quantity of lock pin 6, in the present embodiment be three, three releasing claws 51 place respectively between adjacent two lock pins 6 and are positioned at lock pin and keep off protruding 62 below.One end of described return spring 4 consists of the first return spring hook 41, the other end consists of the second return spring hook 42, wherein: described the first return spring hook 41 places in the spring fixed orifice 122, and described the second return spring hook 42 is passing the first return spring hole 1211 and the second return spring hole 52 is placed in the return spring groove 53.
Please continue referring to Fig. 1 and in conjunction with Fig. 2 to Fig. 6, sketch principle of work of the present utility model: according to general knowledge, sliding rail of automobile seat upper, all adopt blocking device to realize locking and the release of slide rail between the lower guideway, so, under normal circumstances, 1) in the time will making slide rail make the front and back position appropriate change, then apply application force to separating lock dog 5, because of the releasing claw 51 of separating lock dog 5 place the lock pin of lock pin 6 keep off protruding 62 and positioning plate 3 between, act on lock pin by releasing claw 51 and keep off protruding 62, band pendulum lock pin 6 is made upward movement, return spring 4 transfers strained condition to by relaxed state, stage clip 7 also transfers strained condition to by relaxed state simultaneously, at this moment, lock pin 6 breaks away from locked groove 211 on the lower guideway 2, and slide rail becomes previous lockup state (such as the lockup state of Fig. 2 or Fig. 3 or Fig. 4 or four kinds of diverse locations shown in Figure 5) and be released state (as shown in Figure 6), can regulate the slide rail front and back position at this moment.2) in case slide rail is regulated complete, when unclamping the application force that is applied on the solution lock dog 5, then namely discharged by wink owing to return spring 4 previous stored energies, driving solution lock dog 5 moves downward, make releasing claw 51 and lock pin keep off protruding 62 and break away from, lock pin 6 makes lock pin 6 be locked into locked groove 211 because stage clip 7 previous stored energies are namely discharged by wink and move downward, slide rail becomes previous released state (as shown in Figure 6) and is lockup state (such as Fig. 2 or Fig. 3 or Fig. 4 or shown in Figure 5), and this moment, slide rail was in complete lockup state.
In sum, the technical scheme that the utility model provides has overcome the shortcoming in the prior art, has reached goal of the invention, has embodied the described technique effect of applicant
Claims (7)
1.
A kind of blocking device of sliding rail of automobile seat of structural development, described sliding rail of automobile seat comprises upper rail (1), lower guideway (2) and be located at upper rail (1), blocking device between the lower guideway (2), described upper rail (1) comprises attachment face (11) and is arranged on the flanging (12) of attachment face (11) sidepiece, described lower guideway (2) comprises lower attachment face (21) and is arranged on the folding wall (22) of lower attachment face (21) sidepiece, it is characterized in that: described upper attachment face (11) is arranged at intervals with pilot hole (111) more than four and four at the nearly medium position of length direction, described flanging (12) is provided with fixedly ear (121) at the nearly medium position of length direction, end at length direction offers spring fixed orifice (122), offers the first return spring hole (1211) at described fixedly ear (121); Described lower attachment face (21) is arranged at intervals with locked groove (211) more than four and four at the midway location of length direction; Described blocking device comprises lock pin (6), stage clip (7), positioning plate (3), return spring (4) is conciliate lock dog (5), described positioning plate (3) be positioned at four above pilot holes (111) under and be fixed on the attachment face (11), bottom surface midway location at positioning plate (3) offers lockpin hole (31), the quantity of the quantity of described lockpin hole (31) and described pilot hole (111) is identical and the position is corresponding, described lock pin (6) is formed with locking face (61) in the lower end of short transverse, midway location convexes with lock pin gear protruding (62), the quantity of lock pin (6) has four pieces at least, one end of each lock pin (6) is located in the pilot hole (111), the other end of each lock pin (6) is corresponding with the locked groove (211) on the lower guideway (2) after passing lockpin hole (31), the quantity of described stage clip (7) is identical with the quantity of lock pin (6), and be set in respectively on the lock pin (6) and be positioned at lock pin and keep off between protruding (62) and the upper attachment face (11), the front end of described solution lock dog (5) is formed with a plurality of releasing claws (51), offer one second return spring hole (52) in the middle of the front end, front bottom end consists of the return spring groove (53) mutually concordant with the second return spring hole (52), described releasing claw (51) places between adjacent two lock pins (6) and is positioned at the below of lock pin gear protruding (62), one end of described return spring (4) consists of the first return spring hook (41), the other end consists of the second return spring hook (42), wherein: described the first return spring hook (41) places in the spring fixed orifice (122), and described the second return spring hook (42) is passing the first return spring hole (1211) and the second return spring hole (52) is placed in the return spring groove (53).
2.
The blocking device of the sliding rail of automobile seat of structural development according to claim 1, it is characterized in that described positioning plate (3) takes the shape of the letter U, the both sides of U-shaped open end outwards turn down extends and consists of a pair of spacing lug (32) is arranged, on a pair of spacing lug (32), offer respectively pin fixed orifice (321), described positioning plate (3) by through hole corresponding to a pair of set pin (33) attachment face (11) on passing after with a pair of spacing lug (32) on pin fixed orifice (321) be connected and fixed.
3.
The blocking device of the sliding rail of automobile seat of structural development according to claim 1, it is a pair of to it is characterized in that described fixedly ear (121) has, and is provided with symmetrically respectively one first return spring hole (1211) on a pair of fixedly ear (121).
4.
The blocking device of the sliding rail of automobile seat of structural development according to claim 1 is characterized in that the quantity of described releasing claw (51) is lacked one than the quantity of lock pin (6).
5.
The blocking device of the sliding rail of automobile seat of structural development according to claim 1 is characterized in that described locking face (61) is inverted cone-shaped.
6.
The blocking device of the sliding rail of automobile seat of structural development according to claim 1, the oblong that is shaped as that it is characterized in that described locked groove (211), and the spacing between the spacing between adjacent two locked grooves (211) and adjacent two lock pins (6) is unequal.
7.
The blocking device of the sliding rail of automobile seat of structural development according to claim 6 is characterized in that spacing between described adjacent two locked grooves (211) is greater than the spacing between adjacent two lock pins (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285961 CN202686003U (en) | 2012-06-18 | 2012-06-18 | Locking device of automobile seat sliding rail and with structural improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220285961 CN202686003U (en) | 2012-06-18 | 2012-06-18 | Locking device of automobile seat sliding rail and with structural improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686003U true CN202686003U (en) | 2013-01-23 |
Family
ID=47541665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220285961 Expired - Lifetime CN202686003U (en) | 2012-06-18 | 2012-06-18 | Locking device of automobile seat sliding rail and with structural improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717729A (en) * | 2012-06-18 | 2012-10-10 | 苏州忠明祥和精工有限公司 | Locking device of automobile seat slide rail of improved structure |
| CN104968524A (en) * | 2013-02-07 | 2015-10-07 | 约翰逊控股公司 | Locking device |
-
2012
- 2012-06-18 CN CN 201220285961 patent/CN202686003U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717729A (en) * | 2012-06-18 | 2012-10-10 | 苏州忠明祥和精工有限公司 | Locking device of automobile seat slide rail of improved structure |
| CN104968524A (en) * | 2013-02-07 | 2015-10-07 | 约翰逊控股公司 | Locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TYSAN PRECISION ENGINEERING CO., LTD. Free format text: FORMER NAME: SUZHOU ZHONMING XIANGHE PRECISION WORK CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 215500, room 1, 808 southeast Avenue, Southeast Economic Development Zone, Jiangsu, Changshu Patentee after: JIANGSU ZHONGMING XIANGHE SEIKO CO., LTD. Address before: 215558, Jiangsu, Changshou City, Suzhou, South Three Ring Road overpass next to Patentee before: Suzhou Zhonming Xianghe Precision Work Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |