CN214450441U

CN214450441U - Seat upper slide rail and slide rail assembly

Info

Publication number: CN214450441U
Application number: CN202120564394.9U
Authority: CN
Inventors: 唐国庆; 张果; 杨清春; 惠海岗; 辛艺
Original assignee: Chongqing Yanfeng Johnson Controls Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19

Abstract

The utility model discloses a slide rail and slide rail assembly on seat, it includes fixed connection's left component and right component to go up the slide rail, the upper end edge of right component is equipped with first turn-ups, the upper end edge of left component is equipped with and covers in the second turn-ups of first turn-ups upside, wherein, the shaping of first turn-ups middle part undercut has first supporting bench, the shaping of second turn-ups middle part undercut has a second brace table, be equipped with the well pivot mounting hole on the second brace table, the lower part of left component and right component has respectively towards left locating plate and the right locating plate of keeping away from the direction setting each other, this left locating plate and right locating plate are formed with the installation cavity in the position that corresponds the well pivot mounting hole. The beneficial effects are that: the upper sliding rail can be formed by adopting a sheet metal stamping process, so that the manufacturing manufacturability and the material economy are better; the middle part of the upper end of the upper sliding rail is provided with a sunken second supporting table which can provide an external installation space for the transfer gear box, so that the assembly of the sliding rail assembly is easier.

Description

Seat upper slide rail and slide rail assembly

Technical Field

The utility model relates to a car seat technical field, concretely relates to slide rail on seat.

Background

The bottom of an automobile seat is usually provided with a sliding rail assembly, so that a driver and an occupant can adjust the position of the seat according to the needs of the driver and the occupant to obtain a more comfortable sitting posture. The slide rail assemblies are generally two groups, are symmetrically arranged on the floor of the vehicle body, and each group of slide rails consists of an upper slide rail and a lower slide rail, wherein the upper slide rail is arranged below a seat basin of the seat, the lower slide rail is arranged on the floor of the vehicle body, and the upper slide rail slides back and forth in the lower slide rail to realize the front and back adjustment of the seat.

In the early technology of the seat rail, after the rail is assembled on the vehicle, the driving motor is located between the two sets of rails, and the driving motor provides driving force to the worm gear case inside the rail from the inner side surfaces of the two sets of rails close to each other, so as to control the upper rail to slide on the lower rail. Because the driving motor conveys driving force to the gear box from the inner side of the slide rail, after assembly, the upper slide rail assembly and the lower slide rail assembly are exposed on a vehicle bottom plate, and for vehicles needing longer slide rail travel, such as business vehicles, the slide rail is exposed on the vehicle body floor, so that the activity space of passengers in the vehicle is occupied, the interior decoration of the vehicle is influenced, and the high-grade feeling of the vehicle is reduced seriously. In order to solve the technical problem of the exposed slide rail on the floor of the vehicle body, patent document CN111923788A discloses a slide rail assembly capable of being hidden and installed, wherein power is vertically input into a slide rail component from the upper end of the slide rail, so as to solve the technical problem that the slide rail is exposed on the floor of the vehicle body after being assembled and the interior decoration is influenced.

However, in the above patent document, since the upper portion of the upper rail has a sheet-like structure and the lower portion has a block-like structure, the upper rail is inferior in terms of manufacturing process and material economy, and the structural form thereof is urgently required to be further optimally designed.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides an upper seat slide rail for solving the above-mentioned problems of the prior upper seat slide rail.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a slide rail on seat which the key lies in: including fixed connection's left component and right component, left side component and right component all construct into the bar structure, and the upper end edge of right component is equipped with first turn-ups, and the upper end edge of left component is equipped with the second turn-ups that covers in first turn-ups upside, wherein, the shaping of first turn-ups middle part undercut has first supporting bench, and the shaping of second turn-ups middle part undercut has a second brace table, be equipped with the transfer shaft mounting hole on the second brace table, the lower part of left side component and right component has outside and downwardly extending's left locating plate and right locating plate respectively, and this left locating plate and right locating plate are corresponding the position of transfer shaft mounting hole is formed with the installation cavity.

Adopt above-mentioned structure, go up the slide rail and form by left component and right component equipment, and left component and right component are the strip, and when slide rail was gone up in the manufacturing, left component all can adopt panel beating stamping technology shaping with right component for it has better manufacturing process nature and material economy to go up the slide rail. Meanwhile, the middle part of the upper end of the upper sliding rail is provided with a sunken second supporting table, so that an external installation space can be provided for the transfer gear box, and the assembly feasibility of the sliding rail assembly is improved.

Preferably, the method comprises the following steps: the middle parts of the left member and the right member are respectively provided with a left connecting plate and a right connecting plate, and bosses which are formed inwards are uniformly distributed on the left connecting plate and the right connecting plate. Adopt above-mentioned structure to left component and right component welded fastening through the boss that is close to each other is as an organic whole.

Preferably, the method comprises the following steps: and riveting holes are formed in the bosses. By adopting the structure, the rivet is welded and then riveted, and the connecting strength of the left member and the right member can be further improved.

Preferably, the method comprises the following steps: the first flanging and the second flanging are both of cambered surface structures, and the outer end of the second supporting table is provided with a widened part extending outwards. By adopting the structure, the flanging is of an arc structure, so that the upper sliding rail has higher structural strength, and the widening part is favorable for setting the middle rotating shaft mounting hole on the second supporting table.

Preferably, the method comprises the following steps: the middle rotating shaft mounting hole is provided with a rotating shaft positioning part, the rotating shaft positioning part is provided with a positioning sleeve extending downwards and fixing plates formed on two sides of the upper end of the positioning sleeve, and the lower sides of the fixing plates are provided with clamping tongues buckled with the edge of the lower end of the middle rotating shaft mounting hole. The first supporting platform is provided with an avoiding notch at a position corresponding to the positioning sleeve. Adopt above-mentioned structure to installation pivot when slide rail assembly assembles.

Preferably, the method comprises the following steps: the mounting cavity is internally provided with a supporting part, the supporting part comprises a supporting plate and supporting pieces extending upwards from the front end and the rear end of the supporting plate, supporting lugs are arranged at the end parts of the supporting pieces, the supporting lugs are fixedly connected to the side wall of the mounting cavity, and through holes for avoiding lead screws are formed in the supporting pieces. Adopt above-mentioned structure to gear box under installation when the slide rail assembly assembles.

Preferably, the method comprises the following steps: the left component and the right component are both formed by adopting a stamping process. By adopting the structure, the manufacturing manufacturability and the material economy are better.

The utility model also provides a slide rail assembly, its key lies in, include:

two groups of lower sliding rails;

the upper sliding rails are connected with the corresponding lower sliding rails in a sliding manner;

the transfer gearbox is fixed on the second support table, and the lower gearbox is fixed in the mounting cavity;

the middle rotating shaft is sleeved in the middle rotating shaft mounting hole and used for connecting power between the middle rotating gear box and the lower gear box;

the screw rod is fixed in the lower sliding rail and is in threaded sleeve joint with a worm wheel in the lower gear box; and the power source is arranged between the two groups of upper sliding rails and is used for driving the transfer gear box to work.

By adopting the sliding rail assembly, the sliding rail assembly has the technical advantages of convenient assembly of all parts, better manufacturing manufacturability and better material economy of the upper sliding rail.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the upper sliding rail can be formed by adopting a sheet metal stamping process, and has better manufacturing manufacturability and material economy compared with the existing upper sliding rail.

2. The upper structure of the upper sliding rail adopts a flanging form with an arc-shaped structure, so that the upper sliding rail can be ensured to have better structural strength.

3. The middle part of the upper end of the upper sliding rail is provided with a sunken second supporting table which can provide an external installation space for the transfer gear box, so that the assembly of the sliding rail assembly is easier.

Drawings

FIG. 1 is a schematic structural view of an upper slide rail;

FIG. 2 is an exploded view of the upper rail;

FIG. 3 is a schematic structural view of the positioning sleeve;

FIG. 4 is a schematic structural view of the left member;

FIG. 5 is a schematic diagram of the structure of the right member love;

FIG. 6 is a schematic structural view of the slide rail assembly;

FIG. 7 is a cross-sectional view of the slide rail assembly.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 6 and 7, a slide rail assembly relates to the following main components: the device comprises two groups of upper slide rails A, two groups of lower slide rails B, a transfer gear box C, a lower gear box D, an intermediate shaft E, a screw rod F, a power source G and a horizontal rotating shaft H. In this embodiment, the power source G is a dual-output motor, two ends of the dual-output motor are in power connection with a horizontal rotating shaft H, the horizontal rotating shaft H is in power connection with a transfer gear box C, the transfer gear box C and a lower gear box D are respectively assembled at the upper end and inside of the upper sliding rail a, the transfer gear box C and the lower gear box D are connected through an intermediate shaft E, a lead screw F is fixedly installed along the length direction of the lower sliding rail B, the lead screw F is sleeved with a worm wheel in the lower gear box D in a threaded manner, and the upper sliding rail a is in sliding fit with the lower sliding rail B.

When the slide rail assembly is applied to an automobile seat, the lower slide rail B can be completely installed below a bottom plate of an automobile body, the double-output motor drives the horizontal rotating shafts H at two ends to rotate simultaneously, the rotating force of the horizontal rotating shafts H is transmitted to the lower gear box D through the transfer gear box C and the intermediate shaft E, and then the upper slide rail A can be driven to slide back and forth in the lower slide rail B under the screw thread matching action of the worm wheel in the lower gear box D and the screw rod F.

As shown in fig. 1, 2, 4 and 5, in order to install the transfer gear box C outside the upper slide rail a to improve the assembly efficiency of the slide rail assembly, the upper slide rail a provided in this embodiment is composed of a left member 1 and a right member 2, both the left member 1 and the right member 2 are in a strip structure, the upper end edge of the right member 2 is provided with a first flange 2a, the upper end edge of the left member 1 is provided with a second flange 1a covering the upper side of the first flange 2a, the middle of the first flange 2a is recessed downward to form a first support platform 2b, the middle of the second flange 1a is recessed downward to form a second support platform 1b, the second support platform 1b covers the first support platform 2b, the recessed structure at this position is used for assembling the transfer gear box C, and the connection mode of the transfer gear box C at this position includes, but is not limited to welding, bolt connection and other modes.

Be equipped with in the second brace table 1b and change shaft mounting hole 1c, the cover is equipped with pivot locating part 3 on the pivot mounting hole 1c, this pivot locating part 3 has downwardly extending's positioning sleeve 3a, and the shaping is at the fixed plate 3b of positioning sleeve 3a upper end both sides, the downside of fixed plate 3b all is equipped with the block tongue 3c with the lock joint of pivot mounting hole 1c lower extreme edge looks lock joint, when the slide rail assembly is assembled, detain pivot locating part 3 in change shaft mounting hole 1c earlier, then with the pivot E install in positioning sleeve 3a can, the assembly is very convenient.

As shown in fig. 2 and 4, in order to ensure the structural strength of the upper slide rail a, the first turned-over edge 2a and the second turned-over edge 1a are both in an arc-shaped structure, that is, the upper end of the upper slide rail a is in an arc-shaped structure. In order to provide the second support base 1b with the pivot mounting hole 1c, the outer end of the second support base 1b has a widened portion 1f extending outward.

As shown in fig. 5, in order to prevent the first support table 2b from interfering with the positioning sleeve 3a of the rotating shaft positioning member 3 at the time of product assembly, an escape notch 2c is provided at a position corresponding to the positioning sleeve 3 a.

As shown in fig. 1 and 2 again, in order to facilitate the assembly of the lower gear case D, the lower portions of the left and right members 1 and 2 are respectively provided with left and right positioning plates 1D and 2D disposed in directions away from each other, this left side locating plate 1D and right locating plate 2D's middle part encloses into installation cavity an, installation cavity an is located transfer shaft mounting hole 1c below, be equipped with supporting part 4 in the installation cavity an, supporting part 4 includes backup pad 4a and follow backup pad 4b that backup pad 4a front and back both ends upwards extended, backup pad 4 b's tip is equipped with journal stirrup 4c, gear box D installs down in the space that backup pad 4a and backup pad 4b enclose, gear box D and supporting part 4 are whole to be put into installation cavity an again, at last through screw e with journal stirrup 4c lock attach on left side locating plate 1D's inboard lateral wall, can assemble gear box D down inside last slide rail A.

Because the last slide rail A that this embodiment provided comprises left component 1 and right component 2 two parts, left component 1 and right component 2 all can adopt panel beating stamping process integrated into one piece, and panel beating stamping process compares current slide rail manufacturing process and has better manufacturability and material economy. After the left member 1 and the right member 2 are punched, the middle parts of the left member 1 and the right member 2 are respectively provided with a left connecting plate 1e and a right connecting plate 2e, bosses c which are formed inwards are uniformly distributed on the left connecting plate 1e and the right connecting plate 2e, and the left member 1 and the right member 2 can be welded and fixed into a whole through the bosses c which are close to each other. In order to further guarantee the connection strength of the left member 1 and the right member 2, the boss c is provided with a riveting hole b, and the left member 1 and the right member 2 can be further connected in a reinforcing manner by using a rivet f after being welded and fixed into a whole.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. A seat upper slide rail (A), characterized in that: comprises a left component (1) and a right component (2) which are fixedly connected, wherein the left component (1) and the right component (2) are both constructed into strip structures, the upper end edge of the right component (2) is provided with a first flanging (2a), the upper end edge of the left component (1) is provided with a second flanging (1a) covering the upper side of the first flanging (2a), wherein the middle part of the first flanging (2a) is downwards sunken to form a first supporting platform (2b), the middle part of the second flanging (1a) is downwards sunken to form a second supporting platform (1b), a middle rotating shaft mounting hole (1c) is arranged on the second supporting platform (1b), the lower parts of the left member (1) and the right member (2) are respectively provided with a left positioning plate (1d) and a right positioning plate (2d) which extend outwards and downwards, the left positioning plate (1d) and the right positioning plate (2d) are provided with mounting cavities (a) at positions corresponding to the middle rotating shaft mounting hole (1 c).

2. The slide rail on seat of claim 1 wherein: the middle parts of the left member (1) and the right member (2) are respectively provided with a left connecting plate (1e) and a right connecting plate (2e), and the left connecting plate (1e) and the right connecting plate (2e) are respectively provided with inward-formed bosses (c).

3. The slide rail on seat of claim 2 wherein: and the boss (c) is provided with a riveting hole (b).

4. The slide rail on seat of claim 1 wherein: the first flanging (2a) and the second flanging (1a) are both of cambered surface structures, and the outer end of the second supporting platform (1b) is provided with a widened part (1f) extending outwards.

5. The slide rail on seat of claim 1 wherein: be equipped with pivot locating part (3) on transit shaft mounting hole (1c), this pivot locating part (3) have downwardly extending's position sleeve (3a) to and the fixed plate (3b) of shaping in position sleeve (3a) upper end both sides, the downside of fixed plate (3b) all is equipped with the block tongue (3c) of mutually lock joint with transit shaft mounting hole (1c) lower extreme edge.

6. The slide rail on seat of claim 5 wherein: an avoidance notch (2c) is formed in the position, corresponding to the positioning sleeve (3a), of the first supporting platform (2 b).

7. The slide rail on seat of claim 1 wherein: be equipped with supporting part (4) in installation cavity (a), supporting part (4) include backup pad (4a) and follow backup pad (4b) that backup pad (4a) front and back both ends upwards extended, and the tip of backup pad (4b) is equipped with journal stirrup (4c), and journal stirrup (4c) fixed connection is equipped with via hole (4d) that are used for dodging the lead screw on the lateral wall of installation cavity (a) on backup pad (4 b).

8. The slide rail on seat of claim 1 wherein: the left component (1) and the right component (2) are both formed by adopting a stamping process.

9. A slide rail assembly, comprising:

two groups of lower sliding rails (B);

two sets of upper seat rails (a) according to any one of claims 1 to 8, the upper rails (a) being slidably connected to corresponding lower rails (B);

the gearbox comprises a transfer gearbox (C) and a lower gearbox (D), wherein the transfer gearbox (C) is fixed on the second support platform (1b), and the lower gearbox (D) is fixed in the mounting cavity (a);

the middle rotating shaft (E) is sleeved in the middle rotating shaft mounting hole (1C) and is used for connecting power between the middle rotating gear box (C) and the lower gear box (D);

the screw rod (F) is fixed in the lower slide rail (B) and is in threaded connection with a worm wheel in the lower gear box (D); and

and the power source (G) is arranged between the two groups of upper sliding rails (A) and is used for driving the transfer gear box (C) to work.