CN211032252U

CN211032252U - Automobile seat slide rail of symmetry locking

Info

Publication number: CN211032252U
Application number: CN201921810674.2U
Authority: CN
Inventors: 袁志富; 李颖
Original assignee: Shanghai Yuantong Seating System Co ltd
Current assignee: Shanghai Yuantong Seating System Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-17
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a car seat slide rail of symmetry locking relates to car seat technical field, including the slide rail module, the slide rail module includes slide rail and lower slide rail, and the lower terminal surface of lower slide rail is equipped with a plurality of lower slide rail locked grooves, goes up the slide rail and installs in lower slide rail through two rolling mechanism slidely, goes up and is equipped with locking mechanism between slide rail and the lower slide rail, and one side of going up the slide rail is equipped with an unlocking mechanism, and locking mechanism includes: the locking round pin, the locking round pin reset spring, the locking carrier plate, the unlocking plate fixed bolster, and the locking carrier plate is connected with a lateral wall of last slide rail, and the unlocking plate fixed bolster is located the up end of last slide rail, and the lower extreme of locking round pin runs through unlocking plate fixed bolster and last slide rail, and wherein the lower extreme of two locking round pins inserts two slide rail locked grooves down, and the lower extreme of another locking round pin is located the upside of the lower terminal surface of slide rail down, respectively is equipped with a locking round pin reset spring on the perisporium of each locking round pin. Has the characteristics of high safety factor and convenient use.

Description

Automobile seat slide rail of symmetry locking

Technical Field

The utility model relates to car seat technical field especially involves the car seat slide rail of a symmetry locking.

Background

With the continuous development of automobile technology, the requirements on automobile safety and riding comfort are higher and higher; the automobile seat slide rail is a functional part which has the functions of adjusting the automobile seat front and back and fixing the automobile seat, directly influences the comfort and the safety of the seat, and belongs to a core part in the automobile seat.

The locking and unlocking mechanism of the existing automobile seat slide rail has various components and complex mechanisms, and brings certain challenges to the process and cost of slide rail manufacturers, so that the design optimization of the slide rail is completed, and the stress of the automobile seat tends to be safe.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car seat slide rail of symmetry locking for solve above-mentioned technical problem.

The utility model adopts the technical scheme as follows:

a symmetrically-locked automobile seat slide rail comprises a slide rail module, a locking mechanism, an unlocking mechanism and a rolling mechanism, wherein the slide rail module comprises an upper slide rail and a lower slide rail, the lower end surface of the lower slide rail is horizontally arranged, a plurality of lower slide rail locking grooves are formed in the lower end surface of the lower slide rail along the length direction of the lower slide rail, the upper slide rail is slidably mounted in the lower slide rail through two rolling mechanisms, a cavity structure is formed between the upper slide rail and the lower slide rail, the locking mechanism is arranged between the upper slide rail and the lower slide rail, the upper end surface of the upper slide rail is horizontally arranged, three circular holes are formed in the upper end surface of the upper slide rail, and the unlocking mechanism is arranged on one side of the upper slide rail;

the locking mechanism includes: three locking pins, three locking pin reset springs, a locking pin bearing plate and an unlocking plate fixing support, wherein the locking pin bearing plate is arranged in the cavity structure, the locking pin bearing plate is connected with one side wall of the upper slide rail, the unlocking plate fixing bracket is positioned on the upper end surface of the upper slide rail, the unlocking plate fixing support is opposite to the three circular holes, the lower end of each locking pin penetrates through the unlocking plate fixing support and extends into the cavity structure through one circular hole respectively, the lower end of each locking pin penetrates through the locking pin bearing plate, wherein the lower ends of the two locking pins are inserted into the locking grooves of the two lower sliding rails, the lower end of the other locking pin is positioned at the upper side of the lower end surface of the lower sliding rail, the peripheral wall of each locking pin is respectively provided with a locking pin reset spring, and each locking pin reset spring is positioned between the unlocking plate fixing support and the locking pin bearing plate.

Preferably, both side walls of the upper end surface of the upper slide rail are bent downwards and extend and then bent upwards to form two arc-shaped walls, the upper end surface of one arc-shaped wall is lower than the upper end surface of the other arc-shaped wall, the two arc-shaped walls are different in length, both side walls of the lower end surface of the lower slide rail are bent upwards and extend and then bent downwards to form two cantilevers, the upper end surface of one cantilever is lower than the upper end surface of the other cantilever, the two cantilevers are different in length, each arc-shaped wall is respectively matched with one cantilever, and each arc-shaped wall is respectively embedded between the inner wall of the lower slide rail and one cantilever through one rolling mechanism.

Preferably, the unlocking mechanism comprises an unlocking plate, an unlocking plate return spring, an unlocking pressing piece, a connecting rod and a handle, the connecting rod and the unlocking plate return spring are arranged on one side of the upper sliding rail, the unlocking plate is fixed on the unlocking plate fixing support, the unlocking plate is connected with the unlocking plate return spring, the handle and the unlocking pressing piece are arranged at one end, close to the upper sliding rail, of the connecting rod, the unlocking pressing piece is located between the handle and the upper sliding rail, and the unlocking pressing piece is connected with the unlocking plate.

Preferably, the handle return spring is further arranged on a peripheral wall of one end, close to the upper slide rail, of the connecting rod, and located between the handle and the upper slide rail, one end of the handle return spring is connected with the upper slide rail, and the other end of the handle return spring is connected with the handle.

Preferably, the slide rail further comprises a connecting rod bushing, and the connecting rod is rotatably connected with the upper slide rail through the connecting rod bushing.

Preferably, a shaft sleeve assembling hole is formed in one side wall of the upper slide rail, and the connecting rod shaft sleeve is installed in the shaft sleeve assembling hole.

Preferably, the handle is provided with a sound attenuation sleeve, and the sound attenuation sleeve is arranged between the handle and the connecting rod.

Preferably, the lower end of the peripheral wall of each locking pin is provided with an annular notch, the lower end of the peripheral wall of each locking pin is also provided with a threaded oil storage tank, and the oil storage tank is positioned on the lower side of the annular notch.

Preferably, the side wall of the upper slide rail is further provided with two locking pin bearing plate assembling holes, two sides of each locking pin bearing plate are respectively provided with a convex block, and each convex block is respectively arranged in one locking pin bearing plate assembling hole.

The technical scheme has the following advantages or beneficial effects:

the utility model provides a car seat slide rail of symmetry locking, cooperate locking mechanism to realize different step pitch conversion through the slide rail, increase customer's option, the release mechanism is simple and compact, the factor of safety is high; in addition, when the seat framework is arranged, the space advantages brought by the asymmetric rails can be fully utilized, and the double optimization of space and cost is realized.

Drawings

Fig. 1 is a right side view of the middle slide rail module of the present invention;

FIG. 2 is a perspective view of the symmetrically locked automobile seat slide rail of the present invention;

FIG. 3 is an exploded view of a locking mechanism on a single track module of the symmetrically locked automotive seat track of the present invention;

FIG. 4 is a longitudinal cross-sectional view of a single slide rail module of the symmetrically locked automobile seat slide rail of the present invention;

fig. 5 is a perspective view of the upper and lower slide rails of the present invention;

FIG. 6 is a perspective view of the middle and lower slide rails of the present invention;

fig. 7 is a right side view of the upper and lower slide rails of the present invention;

fig. 8 is a right side view of the middle and lower slide rails of the present invention.

In the figure: 1. a slide rail module; 2. a rolling mechanism; 3. an upper slide rail; 4. a lower slide rail; 5. a lower slide rail lock groove; 6. a cavity structure; 7. a circular hole; 8. a locking pin; 9. a locking pin return spring; 10. a locking pin carrier plate; 11. an unlocking plate fixing bracket; 12. an arcuate wall; 13. a cantilever; 14. an unlocking plate; 15. unlocking the plate return spring; 16. a connecting rod; 17. a handle; 18. a handle return spring; 19. a connecting rod shaft sleeve; 20. a shaft sleeve assembling hole; 21. a silencing sleeve; 22. an annular notch; 23. an oil storage tank; 24. a locking pin bearing plate assembly hole; 25. riveting holes; 26. and the unlocking plate is provided with a reset spring assembly hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.

Fig. 1 is the utility model discloses well slide rail module right side view, fig. 2 is the utility model discloses the stereogram of the car seat slide rail of symmetry locking, fig. 3 is the utility model discloses the explosion schematic diagram of the locking mechanism on single slide rail module in the car seat slide rail of symmetry locking, fig. 4 is the utility model discloses the vertical cross-sectional view of single slide rail module in the car seat slide rail of symmetry locking, fig. 5 is the utility model discloses the stereogram of well upper and lower slide rail, fig. 6 is the utility model discloses the stereogram of well lower slide rail, fig. 7 is the utility model discloses the right side view of well upper and lower slide rail, fig. 8 is the utility model discloses the right side view of well lower slide rail, as shown in fig. 1-8, shown the embodiment of a preferred, the car seat slide rail of a symmetry locking that shows, include:

the device comprises a slide rail module 1, a locking mechanism, an unlocking mechanism and a rolling mechanism 2. The slide rail module 1 comprises an upper slide rail 3 and a lower slide rail 4, the lower end face of the lower slide rail 4 is horizontally arranged, and a plurality of lower slide rail locking grooves 5 are formed in the lower end face of the lower slide rail 4 along the length direction of the lower slide rail. The upper slide rail 4 is slidably mounted in the lower slide rail 4 through the two rolling mechanisms 2, a cavity structure 6 is formed between the upper slide rail 3 and the lower slide rail 4, and a locking mechanism is arranged between the upper slide rail 3 and the lower slide rail 4. The upper end face of the upper sliding rail 3 is horizontally arranged, three circular holes 7 are formed in the upper end face of the upper sliding rail 3, and an unlocking mechanism is arranged on one side of the upper sliding rail 3. In this embodiment, two slide rail modules 1 are provided, the two slide rail modules 1 are symmetrically arranged, and each slide rail module 1 is provided with a locking mechanism, an unlocking mechanism and two rolling mechanisms 2. In this embodiment, the upper slide rail 3 is used to connect with a seat of an automobile, and the lower slide rail 4 is used to connect with a body of the automobile.

Further, as a preferred embodiment, the locking mechanism includes: three locking round pins 8, three locking round pin reset spring 9, a locking round pin carrier plate 10, an unlocking plate fixed bolster 11, locking round pin carrier plate 10 sets up in cavity structure 6, and locking round pin carrier plate 10 is connected with a lateral wall of last slide rail 3. The unlocking plate fixing support 11 is located on the upper end face of the upper sliding rail 3, the unlocking plate fixing support 11 is opposite to the three-circular-hole 7, the lower end of each locking pin 8 penetrates through the unlocking plate fixing support 11 and extends into the cavity structure 6 through the circular hole 7 respectively, the lower end of each locking pin 8 penetrates through the locking pin bearing plate 10, the lower ends of the two locking pins 8 are inserted into the two lower sliding rail locking grooves 5, and the lower end of the other locking pin 8 is located on the upper side of the lower end face of the lower sliding rail 4. Each locking pin 8 is provided with a locking pin return spring 9 on the peripheral wall thereof, and each locking pin return spring 9 is located between the unlocking plate fixing bracket 11 and the locking pin support plate 10. In this embodiment, locking mechanism is at the during operation, locking round pin 8 and the cooperation of unlocking plate fixed bolster 11, with locking round pin reset spring cover 9 on locking round pin 8, unlocking plate fixed bolster 11 and lockpin reset spring become 9 and are a small subassembly, get into cavity structure 6 inside and pass locking round pin carrier plate 10 through circular port 7 on the last slide rail 3 with this small subassembly, slide rail locked groove 5 under the entering, then fix unlocking plate fixed bolster 11 on last slide rail 3 through the riveted mode, so far realize the locking of slide rail. As shown in fig. 4, the three locking pins 8 are arranged side by side, and when the locking pin 8 at the left position and the locking pin 8 at the right position are inserted into the lower slide rail locking groove 5, and the locking pin 8 at the middle position is suspended on the horizontal plane of the lower slide rail 4, or any two of the locking pins 8 are inserted into the lower slide rail locking groove 5, and the other locking pin 8 is suspended on the horizontal plane of the lower slide rail 4, the three locking pins 8 alternately enter the locking state. The upper end face of the upper sliding rail 3 is also provided with a riveting hole 25, and the unlocking plate fixing support 11 is riveted with the upper sliding rail 3 through the riveting hole 25.

Further, as a preferred embodiment, both side walls of the upper end surface of the upper sliding rail 3 are bent downward and extended and bent upward to form two arc-shaped walls 12, wherein the upper end surface of one arc-shaped wall 12 is lower than the upper end surface of the other arc-shaped wall 12, and the two arc-shaped walls 12 have different lengths. Two side walls of the lower end surface of the lower slide rail 4 are bent upwards, extended and bent downwards to form two cantilevers 13, wherein the upper end surface of one cantilever 13 is lower than the upper end surface of the other cantilever 13, and the two cantilevers 13 have different lengths. Each arc-shaped wall 12 is respectively matched with a cantilever 13, and each arc-shaped wall 12 is respectively embedded between the inner wall of the lower slide rail 4 and one cantilever 13 through a rolling mechanism 2. As shown in fig. 1, two side walls of the upper slide rail 3 are bent downward and extended in a direction away from the inner side of the upper slide rail 3, and then bent upward to form an arc-shaped wall 12, and two side walls of the lower slide rail 4 are bent upward and extended in a direction close to the inner side of the lower slide rail 4, and then bent downward to form a cantilever 13. The cantilever 13 is internally provided with a sliding way for the arc-shaped wall 12 to slide, a rolling mechanism is respectively arranged in each sliding way, and the arc-shaped wall 12 is embedded in the rolling mechanism 2, so that the connection between the upper sliding rail 3 and the lower sliding rail 4 is more stable. As shown in fig. 1, the length of the upper rail 3 in the longitudinal direction of the left side wall is greater than the length of the right side wall in the longitudinal direction, and the unlocking mechanism is provided on the left side wall of the upper rail 3.

Further, as a preferred embodiment, the unlocking mechanism includes an unlocking plate 14, an unlocking plate return spring 15, an unlocking pressing member (not shown), a link 16 and a handle 17, one side of the upper rail 3 is provided with the link 16 and the unlocking plate return spring 15, the unlocking plate 14 is fixed on the unlocking plate fixing bracket 11, and the unlocking plate 14 is connected with the unlocking plate return spring 15. A handle 17 and an unlocking pressing piece are arranged at one end of the connecting rod 16 close to the upper sliding rail 3, the unlocking pressing piece is positioned between the handle 17 and the upper sliding rail 3, and the unlocking pressing piece is connected with the unlocking plate 14. The unlocking mechanism is used for being matched with the locking mechanism, when upward force is applied to the handle 17, the handle 17 rotates around the axis of the connecting rod 16, and the unlocking pressing piece rotates around the axis of the connecting rod 16 in the same direction as the handle 17. Unlocking board 14 is pressed to the unblock pressing member, and unlocking board 14 uses the axis of unlocking board reset spring 15 to rotate upward as the center of rotation, drives unlocking board fixed bolster 11 upward movement, and unlocking board fixed bolster 11 drives locking round pin 8 upward movement, and locking round pin reset spring 9 is the pressurized state, and the slide rail is in the unblock state this moment. When the external force is removed, the unlocking plate return spring 15 returns to apply a restoring force to the unlocking plate 14, the unlocking plate 14 returns to the original position, the locking pin 8 returns to the original position under the restoring force of the locking pin return spring 9, and the slide rail returns to the locked state again. In the embodiment, the two slide rail modules 1 are connected through the connecting rod 16, the two ends of the connecting rod 16 adopt the pipe extruding process, and the pipe extruding position is matched with the two slide rail modules 1 in the assembling process, so that the unlocking mechanism can be effectively prevented from being moved left and right. An unlocking plate return spring assembly hole 26 is further formed in the side wall of one side of the upper slide rail 3, and the unlocking plate return spring 15 is connected with the upper slide rail 3 through the unlocking plate return spring assembly hole 16.

Further, as a preferred embodiment, the unlocking mechanism further includes a handle return spring 18, the peripheral wall of the connecting rod 16 near one end of the upper slide rail 3 is further provided with the handle return spring 18, the handle return spring 18 is located between the handle 17 and the upper slide rail 3, one end of the handle return spring 18 is connected to the upper slide rail 3, and the other end of the handle return spring 18 is connected to the handle 17. A handle return spring 18 is provided to power the return of the handle 17.

Further, as a preferred embodiment, the unlocking mechanism further includes a link bushing 19, and the link 16 is rotatably connected to the upper rail 3 through the link bushing 19.

Further, as a preferred embodiment, a shaft sleeve fitting hole 20 is provided on a side wall of the upper rail 3, and the link bushing 19 is fitted in the shaft sleeve fitting hole 20.

Further, as a preferred embodiment, the unlocking mechanism further comprises a noise reduction sleeve 21, and the noise reduction sleeve 21 is arranged between the handle 17 and the connecting rod 16. The noise reduction sleeve 21 is provided to reduce noise generated when the handle 17 is rotated.

Further, as a preferred embodiment, the lower end of the peripheral wall of each locking pin 8 is provided with an annular notch 22, the lower end of the peripheral wall of each locking pin 8 is further provided with a threaded oil storage tank 23, and the oil storage tank 23 is located below the annular notch 22. In this embodiment, when the locking pin return spring 9 is in a compressed state, the lower end of the locking pin return spring 9 is compressed and enters the locking pin notch 22, so that the locking pin return spring 9 is fixed. Lubricating oil can be coated in the oil storage groove 23, so that the locking pin 8 can be prevented from being in frictional contact with the locking pin bearing plate 10 in the up-and-down movement process to generate abnormal sound, and the service life of the locking pin 8 can be effectively prolonged.

Further, as a preferred embodiment, two detent pin bearing plate assembly holes 24 are further formed on a side wall of the upper rail 3, and a protrusion (not shown) is respectively formed on both sides of the detent pin bearing plate 10, and each protrusion is respectively disposed in one of the detent pin bearing plate assembly holes 24.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims

1. The symmetrically-locked automobile seat slide rail is characterized by comprising a slide rail module, a locking mechanism, an unlocking mechanism and a rolling mechanism, wherein the slide rail module comprises an upper slide rail and a lower slide rail, the lower end surface of the lower slide rail is horizontally arranged, a plurality of lower slide rail locking grooves are formed in the lower end surface of the lower slide rail along the length direction of the lower slide rail, the upper slide rail is slidably installed in the lower slide rail through two rolling mechanisms, a cavity structure is formed between the upper slide rail and the lower slide rail, the locking mechanism is arranged between the upper slide rail and the lower slide rail, the upper end surface of the upper slide rail is horizontally arranged, three circular holes are formed in the upper end surface of the upper slide rail, and the unlocking mechanism is arranged on one side of the upper slide rail;

2. The symmetrically-locked automobile seat slide rail according to claim 1, wherein both side walls of the upper end surface of the upper slide rail are bent downward and extended and bent upward to form two arc-shaped walls, wherein the upper end surface of one arc-shaped wall is lower than the upper end surface of the other arc-shaped wall, the length of each arc-shaped wall is different, both side walls of the lower end surface of the lower slide rail are bent upward and extended and bent downward to form two cantilevers, the upper end surface of one cantilever is lower than the upper end surface of the other cantilever, the length of each cantilever is different, each arc-shaped wall is respectively matched with one cantilever, and each arc-shaped wall is respectively embedded between the inner wall of the lower slide rail and one cantilever through a rolling mechanism.

3. The symmetrically-locked automobile seat slide rail according to claim 1, wherein the unlocking mechanism comprises an unlocking plate, an unlocking plate return spring, an unlocking pressing member, a connecting rod and a handle, the connecting rod and the unlocking plate return spring are arranged on one side of the upper slide rail, the unlocking plate is fixed on the unlocking plate fixing bracket and is connected with the unlocking plate return spring, the handle and the unlocking pressing member are arranged on one end of the connecting rod close to the upper slide rail and are positioned between the handle and the upper slide rail, and the unlocking pressing member is connected with the unlocking plate.

4. The symmetrically lockable vehicle seat track of claim 3 further comprising a handle return spring, wherein the handle return spring is disposed on a peripheral wall of the link rod adjacent to one end of the upper track, the handle return spring is disposed between the handle and the upper track, one end of the handle return spring is connected to the upper track, and the other end of the handle return spring is connected to the handle.

5. The symmetrically lockable vehicle seat track of claim 3 further comprising a link bushing through which said link is rotatably connected to said upper track.

6. The symmetrically lockable vehicle seat track of claim 5 wherein a bushing receiving hole is provided in a side wall of said upper track, and said link bushing is received in said bushing receiving hole.

7. The symmetrically lockable vehicle seat track of claim 3 further comprising a noise dampening sleeve disposed between said handle and said link.

8. The symmetrically lockable vehicle seat track of claim 1 wherein the lower end of the peripheral wall of each said locking pin defines an annular notch, and wherein the lower end of the peripheral wall of each said locking pin defines a threaded oil reservoir located below the annular notch.

9. The symmetrically-locking automotive seat track of claim 1, wherein two locking pin carrier plate assembly holes are further formed in a side wall of said upper track, and a protrusion is respectively formed on both sides of said locking pin carrier plate, and each of said protrusions is respectively disposed in one of said locking pin carrier plate assembly holes.