CN217320129U - High-strength sliding mechanism and automobile seat slide rail - Google Patents

Abstract

The utility model discloses a high-strength sliding mechanism and an automobile seat sliding rail, which relate to the technical field of automobile accessories and comprise a sliding support, wherein the sliding support is in a U-shaped structure and comprises a first bottom wall and two first side walls, and the middle part of the first bottom wall is upwards bulged to form a bulging part; the bulge part is provided with a first clamping groove; a roller is arranged in the first clamping groove; a plurality of second clamping grooves are formed in the first side wall, and balls are arranged in the second clamping grooves.

Description

High-strength sliding mechanism and automobile seat slide rail

Technical Field

The utility model relates to the technical field of auto-parts, specifically a high strength coasting mechanism and car seat slide rail.

Background

The slide rail for the passenger seat is widely used for various passenger seats, and can enable the seat to move forwards and backwards and also enable the seat to move leftwards and rightwards laterally according to different use purposes, so that the slide rail is a functional device for adjusting the position of the passenger seat. Generally, a passenger car body is provided with a plurality of passenger seats according to the size of space. With the development of society and the improvement of science and technology, people seek to take safety and simultaneously put forward higher requirements on the riding comfort, so that seat slide rails are mostly additionally arranged below passenger seats of medium-high-end buses, but the seat slide rails do not move the seats back and forth, but move the seats laterally in order to meet the stature requirements of different passengers, so that the lateral distance between the passengers is improved, and the riding comfort of the passengers is further met. The traditional passenger seat slide rail adopts aluminum alloy section bars, and because the aluminum alloy section bars have the defects of low strength, poor wear resistance, high cost, short service life, excessive wear, easy generation of hidden dangers such as seat shaking, abnormal sound, potential unsafe situation and the like, the high-strength automobile seat slide rail which slides smoothly is produced at present.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model aims to provide a high strength coasting mechanism and car seat slide rail can realize the steady and smooth and easy slip of slide rail through the cooperation of roller and ball, and solid design in the middle of the roller adopts, both can reduce weight and can bear great load again to, improve seat slide rail's use strength.

In order to achieve the above purpose, the utility model adopts the technical proposal that: a high-strength sliding mechanism comprises a sliding support, wherein the sliding support is of a U-shaped structure and comprises a first bottom wall and two first side walls, and the middle part of the first bottom wall is upwards bulged to form a bulged part; the bulge part is provided with a first clamping groove; a roller is arranged in the first clamping groove; the first side wall is provided with a plurality of second clamping grooves, and balls are arranged in the second clamping grooves.

The further improvement lies in that: the upper end of the first side wall is bent inwards to form a curling part.

The further improvement lies in that: the roller comprises a cylindrical body, and weight-reducing blind holes are formed in two ends of the body respectively.

The further improvement lies in that: the edge of the two ends of the body is provided with a transition inclined plane.

The utility model also provides an automobile seat slide rail, including outer slide rail and the interior slide rail of suit in outer slide rail, this interior slide rail can be followed the length direction slip of outer slide rail, set up such as above-mentioned high strength glide machanism between outer slide rail and the interior slide rail, the surface of roller constitutes line contact with the interior surface of outer slide rail and interior slide rail along the axial, can follow the interior surface roll of outer slide rail and interior slide rail under the operating mode that bears the heavier load; the outer surface of the ball, the inner side surface of the outer slide rail and the outer side surface of the inner slide rail form spherical point contact, and the ball can roll along the inner side surface of the outer slide rail and the outer side surface of the inner slide rail under the working condition of bearing load.

The further improvement lies in that: the high-strength sliding mechanisms are arranged at two ends between the outer sliding rail and the inner sliding rail respectively.

The further improvement lies in that: the outer slide rail is of a U-shaped structure and comprises a second bottom wall and two second side walls, wherein the second bottom wall is provided with a plurality of first limiting stop points for limiting the sliding distance of the high-strength sliding mechanism.

The further improvement lies in that: the second side wall is bent inwards to form a first folding part; and a long bolt is arranged outside the second bottom wall.

The further improvement is that: the inner slide rail is of an n-shaped structure and comprises a top wall and two third side walls, wherein the top wall is provided with a plurality of second limiting stop points for limiting the sliding distance of the high-strength sliding mechanism.

The further improvement lies in that: the third side wall is bent outwards to form a second flange part; and a short bolt is arranged outside the top wall.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in, can realize the smooth and easy slip of slide rail through the cooperation of roller and ball.

2. The utility model discloses in, solid design in the middle of the roller adopts, both can the weight reduction can bear great load again to, improve the use intensity of seat slide rail.

3. The utility model discloses in, outer slide rail and interior slide rail all are provided with spacing shelves point, can restrict high strength coasting mechanism's glide distance.

Drawings

Fig. 1 is a schematic structural diagram of a high-strength sliding mechanism in an embodiment of the present invention;

fig. 2 is a perspective view of the sliding support in the embodiment of the present invention;

fig. 3 is a schematic structural view of a sliding support in an embodiment of the present invention;

FIG. 4 is a perspective view of a roller in an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a roller in an embodiment of the present invention;

FIG. 6 is an exploded view of the slide rail of the seat of the vehicle according to the embodiment of the present invention;

FIG. 7 is a schematic structural view of a slide rail of an automobile seat according to an embodiment of the present invention;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a sectional view taken along line A-A of FIG. 8;

fig. 10 is a schematic structural view of an outer slide rail according to an embodiment of the present invention;

fig. 11 is a sectional view of an outer slide rail according to an embodiment of the present invention;

fig. 12 is a schematic structural view of an inner slide rail according to an embodiment of the present invention;

fig. 13 is a sectional view of the inner slide rail according to the embodiment of the present invention.

Reference numerals are as follows:

1-a sliding support; 101-a first bottom wall; 102-a first side wall; 103-a bump; 104-crimping part; 105-a first card slot; 106-a second card slot; 110-a roller; 111-a body; 112-weight-reducing blind holes; 113-a transition bevel; 120-a ball bearing;

2-an outer slide rail; 21-a second bottom wall; 22-a second side wall; 23-a first hem portion; 24-a first limit stop point; 25-long bolt;

3-inner slide rail; 31-a top wall; 32-a third side wall; 33-a second flange portion; 34-a second limit stop point; 35-short bolt.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Referring to fig. 1 to 3, an embodiment of the present invention provides a high strength sliding mechanism, including a sliding support 1, where the sliding support 1 is a U-shaped structure, and includes a first bottom wall 101 and two first side walls 102, and a middle portion of the first bottom wall 101 is raised upward to form a raised portion 103; the bulge 103 is provided with a first clamping groove 105; and a roller 110 is arranged in the first clamping groove 105; the first sidewall 102 is provided with a plurality of second engaging grooves 106, and balls 120 are disposed in the second engaging grooves 106. In this embodiment, two sides of the sliding support 1 are respectively provided with 2 steel balls with the same diameter. Specifically, the upper end of the first sidewall 102 is bent inward to form the hem 104.

Referring to fig. 4 and 5, the roller 110 includes a cylindrical body 111, and weight-reducing blind holes 112 are respectively provided at both ends of the body 111. Specifically, the edges of the two ends of the body 111 are provided with transition slopes 113.

Referring to fig. 6 to 9, an embodiment of the present invention further provides an automobile seat slide rail, which includes an outer slide rail 2 and an inner slide rail 3 sleeved in the outer slide rail 2, wherein the inner slide rail 3 can slide along a length direction of the outer slide rail 2, a high strength slide mechanism as described above is disposed between the outer slide rail 2 and the inner slide rail 3, an outer surface of the roller 110 axially forms a line contact with inner surfaces of the outer slide rail 2 and the inner slide rail 3, and can roll along inner surfaces of the outer slide rail 2 and the inner slide rail 3 under a working condition of bearing a heavy load; the outer surface of the ball 120 forms a spherical point contact with the inner side surface of the outer slide rail 2 and the outer side surface of the inner slide rail 3, and can roll along the inner side surface of the outer slide rail 2 and the outer side surface of the inner slide rail 3 under the working condition of bearing load. Specifically, the two high-strength sliding mechanisms are respectively arranged at two ends between the outer sliding rail 2 and the inner sliding rail 3.

Referring to fig. 10 to 11, the outer slide rail 2 is a U-shaped structure, and includes a second bottom wall 21 and two second side walls 22, where the second bottom wall 21 is provided with a plurality of first limiting points 24 for limiting a sliding distance of the high-strength sliding mechanism. Specifically, the second side wall 22 is bent inward to form a first flange portion 23; the second bottom wall 21 is provided with a long bolt 25.

Referring to fig. 12 to 13, the inner rail 3 is an n-shaped structure, and includes a top wall 31 and two third side walls 32, where the top wall 31 is provided with a plurality of second limiting points 34 for limiting the sliding distance of the high-strength sliding mechanism. Specifically, the third side wall 32 is bent outward to form a second flange portion 33; short bolts 35 are arranged outside the top wall 31.

The utility model discloses an assembly method as follows:

respectively placing 4 steel beads into second clamping grooves of the sliding support; assembling the sliding support and the steel balls into two outer sides of the inner sliding rail along one end of the inner sliding rail, and sliding the sliding support and the steel balls between 1 group of limiting gear points on the bottom surface of one end of the inner side of the inner sliding rail; the roller is placed in a first clamping groove in the middle of the steel ball support, and the outer circle of the roller is in axial contact with the bottom surface of the inner side of the inner slide rail; assembling the steel balls, the sliding supports and the rollers which are assembled at one end of the inner slide rail along one end of the outer slide rail, and enabling the steel balls, the sliding supports and the rollers to slide at the other end of the outer slide rail; a limiting stop point which protrudes inwards is added at a certain position on the bottom surface of the inner side of the outer slide way on site; according to the steps, the steel balls, the sliding supports and the rollers are assembled at the other ends of the inner slide way and the outer slide way, the use requirements of the slide rails are simulated, the outer slide way is fixed, the inner slide way is pushed to slide along the length direction, and then the assembly of the high-strength slide rail which slides smoothly is completed.

In the description of the specification, reference to the description of "one embodiment," "preferably," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and schematic representations of the terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

With the above structure and principle in mind, those skilled in the art should understand that the present invention is not limited to the above embodiments, and all modifications and substitutions based on the present invention and adopting the known technology in the art are within the scope of the present invention, which should be limited by the claims.

Claims (10)

1. A high strength coasting mechanism, includes and glides support (1), its characterized in that: the sliding support (1) is of a U-shaped structure and comprises a first bottom wall (101) and two first side walls (102), and the middle part of the first bottom wall (101) is raised upwards to form a raised part (103); the bulge part (103) is provided with a first clamping groove (105); a roller (110) is arranged in the first clamping groove (105); the first side wall (102) is provided with a plurality of second clamping grooves (106), and the second clamping grooves (106) are internally provided with balls (120).

2. The high strength skid mechanism of claim 1, wherein: the upper end of the first side wall (102) is bent inwards to form a coiling edge part (104).

3. The high strength skid mechanism of claim 1, wherein: the roller (110) comprises a cylindrical body (111), and weight-reducing blind holes (112) are respectively formed in two ends of the body (111).

4. A high strength skid mechanism as set forth in claim 3, wherein: the edge of the two ends of the body (111) is provided with a transition inclined plane (113).

5. The utility model provides a car seat slide, includes outer slide rail (2) and suit interior slide rail (3) in outer slide rail (2), and this interior slide rail (3) can be followed the length direction slip of outer slide rail (2), its characterized in that: the high-strength sliding mechanism is arranged between the outer sliding rail (2) and the inner sliding rail (3), the outer surface of the roller (110) is axially in line contact with the inner surfaces of the outer sliding rail (2) and the inner sliding rail (3), and can roll along the inner surfaces of the outer sliding rail (2) and the inner sliding rail (3) under the condition of bearing heavy load; the outer surface of the ball (120), the inner side surface of the outer slide rail (2) and the outer side surface of the inner slide rail (3) form spherical point contact, and the ball can roll along the inner side surface of the outer slide rail (2) and the outer side surface of the inner slide rail (3) under the working condition of bearing load.

6. The automotive seat slide of claim 5, wherein: the high-strength sliding mechanisms are arranged at two ends between the outer sliding rail (2) and the inner sliding rail (3) respectively.

7. The automotive seat slide of claim 5, wherein: the outer slide rail (2) is of a U-shaped structure and comprises a second bottom wall (21) and two second side walls (22), wherein the second bottom wall (21) is provided with a plurality of first limiting stop points (24) for limiting the sliding distance of the high-strength sliding mechanism.

8. The automotive seat slide of claim 7, wherein: the second side wall (22) is bent inwards to form a first folding part (23); and a long bolt (25) is arranged outside the second bottom wall (21).

9. The automotive seat slide of claim 5, wherein: the inner slide rail (3) is of an n-shaped structure and comprises a top wall (31) and two third side walls (32), wherein the top wall (31) is provided with a plurality of second limiting stop points (34) for limiting the sliding distance of the high-strength sliding mechanism.

10. The automotive seat slide of claim 9, wherein: the third side wall (32) is bent outwards to form a second flange part (33); short bolts (35) are arranged outside the top wall (31).

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