Screw rod support for automobile seat sliding rail and automobile seat sliding rail

Abstract

The utility model discloses a lead screw support for an automobile seat slide rail, which comprises a support body, a mounting hole penetrating along the thickness direction of the support body is arranged in the middle of the support body, elastic support legs are arranged on two sides of the support body and can deform inwards, and convex blocks protruding outwards are arranged on the outer sides of the elastic support legs. The protruding block is used for being installed in an installation hole in the side wall of an upper sliding rail, and an elastic compression structure is arranged on the top of the support body and used for being elastically supported on the top of the upper sliding rail. The utility model further discloses an automobile seat sliding rail which comprises an upper sliding rail body, the upper sliding rail body is provided with an installation groove with an opening in the lower side, the lead screw support is arranged at the end of the installation groove, installation holes are formed in the side walls of the two sides of the installation groove, and the protruding blocks on the outer sides of the two elastic supporting legs are located in the installation holes. The elastic compression structure is elastically supported on the top of the upper sliding rail. The utility model has the benefits that the structure is simple, the replacement is easy, and the abnormal sound jumping risk is avoided.

Description

Technical Field

[0001] This utility model relates to the field of automotive seat components technology, specifically to a lead screw bracket for automotive seat slide rails and an automotive seat slide rail. Background Technology

[0002] Most existing car seats are equipped with a sliding rail assembly for adjusting the fore-and-aft position of the seat. The sliding rail assembly includes an upper sliding rail, a lower sliding rail, a transmission mechanism, and rolling elements. The upper sliding rail is connected to the seat frame, and the lower sliding rail is connected to the vehicle floor. The transmission mechanism mainly includes a gearbox and a lead screw. In a typical sliding rail assembly, the gearbox is fixed to the lower sliding rail, and the rear end of the lead screw is connected to the upper sliding rail via a bracket. The bracket is engaged with the upper sliding rail by a boss, and the optical shaft at the end of the lead screw is connected to the inner cavity of the bracket. A driver is connected to the front end of the lead screw, which drives the lead screw to rotate. The transmission mechanism inside the gearbox can mesh with the lead screw, thereby causing the lead screw and the upper sliding rail to move synchronously relative to the lower sliding rail.

[0003] To ensure assemblability, the bracket is installed by snapping into the upper slide rail. During vehicle operation, the simple and flimsy screw bracket is prone to vertical movement, posing a risk of abnormal noise in the Z-axis direction, and the slide rail has insufficient durability. Existing brackets can avoid this problem through complex structural design, but the complex structure will lead to difficulties in quality control and replacement, and will not be cost-effective.

[0004] Therefore, there is an urgent need to develop a lead screw support that is simple in structure, easy to replace, and can prevent abnormal noise from the end of the screw. Utility Model Content

[0005] In view of this, the present invention provides a lead screw bracket for automotive seat slide rails, which has the advantages of simple structure, easy replacement and no risk of jumping or abnormal noise.

[0006] To achieve the above objectives, the technical solution of this utility model is as follows:

[0007] A lead screw bracket for an automotive seat slide rail includes a bracket body, wherein the bracket body has a mounting hole extending through its thickness in the middle, and elastic legs are provided on both sides of the bracket body. The elastic legs are deformable inward, and the outer sides of the elastic legs are provided with outward protrusions. The protrusions are used to be installed in the mounting holes on the side wall of the upper slide rail.

[0008] The top of the bracket body is provided with an elastic compression structure, which is used to elastically support the top of the upper slide rail.

[0009] The above structure is simple, easy to install and replace. The elastic support feet deform and fit tightly against both sides of the upper slide rail, which can prevent the bracket from moving left and right. Under the action of the elastic compression structure, the protrusion can be stably supported in the mounting hole of the upper slide rail, which can prevent the bracket from jumping in the Z direction and eliminate the risk of jumping and abnormal noise.

[0010] Preferably, the support body is provided with a bearing seat in the region between the two elastic legs, the mounting hole is arranged on the bearing seat, and the elastic leg and the bearing seat have a deformation gap therebetween. With the above structure, the support force is strong, and the installation is convenient.

[0011] Preferably, a stabilizing rib is connected between the lower ends of the two elastic legs, and the stabilizing rib has a deformable wave-shaped fold structure. With the above structure, the stabilizing rib balances the left and right sides and prevents tilting during assembly, thereby ensuring simple and easy operation.

[0012] Preferably, the middle part of the stabilizing rib is connected to the lower end of the bearing seat in an integrated manner. With the above structure, the structural stability is enhanced.

[0013] Preferably, the elastic compression structure includes two compression ribs arranged on the top of the support body, and the compression ribs have a sheet shape, one end of each compression rib is integrally formed with the support body, and the other end of each compression rib extends upwardly and obliquely. With the above structure, the compression ribs have a large contact surface with the top of the upper slide rail, and can provide sufficient pressure to stably support the protrusions in the mounting holes.

[0014] Preferably, the two compression ribs extend outwardly and obliquely in opposite directions. With the above structure, downward force is applied to the two sides of the support body, thereby making the support body more stable.

[0015] The utility model also provides a car seat slide rail, and aims at solving the problems of insufficient durability and abnormal sound risk of the existing slide rail.

[0016] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0017] A seat slide rail includes an upper slide rail, the upper slide rail has a lower open mounting slot, the mounting slot is provided with a lead screw support at the end position, mounting holes are arranged on the two side walls of the mounting slot, protrusions on the outer sides of the two elastic legs are located in the mounting holes, and the elastic compression structure is elastically supported on the top of the upper slide rail. With the above structure, the slide rail runs stably and has no risk of abnormal sound and jumping.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] 1. The lead screw support is integrally formed, has a simple structure, is easy to ensure quality, is convenient to install, and is easy to replace.

[0020] 2. The elastic leg is deformed and tightly contacts the two sides of the upper slide rail, which can prevent the support from moving left and right; the protrusion is stably supported in the mounting hole of the upper slide rail under the action of the elastic compression structure, which can prevent the support from jumping in the Z direction, has durability, and has no risk of abnormal sound and jumping.

[0021] 3. The stabilizing rib can balance the stress on both sides, and the middle part is connected with the lower end of the bearing seat as a whole, so that the bracket is not inclined during assembly, and the assembly is simple and easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 a schematic view of the bracket body 1 installed on the upper slide rail 2;

[0023] Figure 2 a schematic view of one side of the bracket body 1;

[0024] Figure 3 a schematic view of the other side of the bracket body 1. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the embodiments and the drawings.

[0026] As shown in Figure 1 , an automobile seat slide rail comprises an upper slide rail 2 and a lower slide rail 3, the upper slide rail 2 is slidingly installed inside the lower slide rail 3, the upper slide rail 2 has a lower open installation slot 22, a screw rod bracket is arranged at the end position of the installation slot 22, a screw rod 4 is arranged along the length direction of the installation slot 22, and the screw rod 4 is rotationally installed on the screw rod bracket. Figure 1 As shown in , the screw rod bracket comprises a bracket body 1, elastic legs 12 are arranged on both sides of the bracket body 1, the elastic legs 12 are elastically supported on the side wall of the upper slide rail 2, and the elastic legs 12 can be deformed inwardly for installation. Rectangular protrusions 13 are arranged on the outer sides of the elastic legs 12, rectangular avoiding holes 21 are arranged on the side walls of both sides of the installation slot 22, and the protrusions 13 are installed in the avoiding holes 21.

[0027] Figure 2 As shown in , the bracket body 1 is provided with an elastic compression structure at the top, the elastic compression structure comprises two compression ribs 17 arranged at the top of the bracket body 1, the compression ribs 17 are in the form of a sheet, one end of the compression ribs 17 is integrally formed with the bracket body 1, the other end of the compression ribs 17 extends upwardly and obliquely, the two compression ribs 17 extend outwardly and obliquely in opposite directions, the left compression rib 17 extends obliquely to the left, the right compression rib 17 extends obliquely to the right, and the compression ribs 17 are elastically supported on the top of the upper slide rail 2 when the protrusions 13 are installed in the avoiding holes 21.

[0028] Figure 2 and Figure 3As shown, the support body 1 has a bearing seat 14 in the area between the two elastic legs 12. The bearing seat 14 extends downward from the upper end of the support body 1 and has a mounting hole 11 that penetrates along the thickness direction of the support body 1. The mounting hole 11 is located in the middle of the support body 1 and is used to install the lead screw. There is a deformation gap 15 between the elastic legs 12 and the bearing seat 14 so that the elastic legs 12 can deform inward. A stabilizing rib 16 is connected between the lower ends of the two elastic legs 12. The stabilizing rib 16 is a deformable wavy pleated structure. Its middle part is integrated with the lower end of the bearing seat 14, so that the support body 1 is balanced and does not tilt on both sides during installation. The degree of deformation of the wavy pleated structure gradually increases from the middle position to both sides, further ensuring simple assembly and easy operation.

[0029] like Figure 1 As shown, when installing the bracket body 1, the elastic support leg 12 is compressed inward, and after the protrusion 13 is aligned with the clearance hole 21, the elastic support leg 12 is released, allowing the protrusion 13 to engage with the clearance hole 21. At this time, the compression rib 17 is tightly attached to the top of the upper slide rail 2 and is in a compressed state. The bracket body 1 is integrally formed, making installation simple, convenient, and easy to replace. The deformation of the elastic support leg 12 and its tight contact with both sides of the upper slide rail 2 can prevent the bracket body 1 from moving left and right. Under the action of the elastic compression structure, the protrusion 13 can be stably supported in the clearance hole 21 of the upper slide rail 2, preventing the bracket body 1 from jumping in the Z direction. The bracket body 1 has no risk of jumping or abnormal noise.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present utility model. Those skilled in the art, under the guidance of the present utility model, can make various similar representations without departing from the spirit and claims of the present utility model, and such modifications all fall within the protection scope of the present utility model.

Claims

1. A screw holder for a slide rail of an automobile seat, comprising a holder body (1), characterized in that: The bracket body (1) is provided with a mounting hole (11) penetrating along the thickness direction thereof, and both sides of the bracket body (1) are provided with elastic legs (12) capable of deforming inwardly, and the outer sides of the elastic legs (12) are provided with outwardly protruding protrusions (13) for being mounted in the avoiding holes (21) of the side walls of the upper slide rail (2). The bracket body (1) is provided with an elastic compression structure at the top thereof for being elastically supported on the top of the upper slide rail (2).

2. The lead screw bracket for a slide rail of an automobile seat according to claim 1, characterized by: The bracket body (1) is provided with a bearing seat (14) in the region between the two elastic legs (12), the mounting hole (11) is arranged on the bearing seat (14), and the elastic leg (12) has a deformation gap (15) with the bearing seat (14).

3. The lead screw bracket for a slide rail of an automobile seat according to claim 1, characterized in that: The lower ends of the two elastic legs (12) are connected with a stabilizing rib (16) which is a deformable wave-shaped folded structure.

4. The lead screw bracket for a slide rail of an automobile seat according to claim 1, characterized by: The middle part of the stabilizing rib (16) is connected with the lower end of the bearing seat (14) integrally.

5. The lead screw bracket for a slide rail of an automobile seat according to claim 1, characterized in that: The elastic compression structure comprises two compression ribs (17) arranged on the top of the bracket body (1), the compression rib (17) is in the form of a sheet, one end of which is integrally formed with the bracket body (1), and the other end thereof extends upwardly and obliquely.

6. The lead screw bracket for a seat slide rail of a vehicle according to claim 5, characterized in that: Both of the two compression ribs (17) extend outwardly and obliquely in opposite directions.

7. A seat slide rail comprising an upper rail (2) having a lower open mounting groove (22), characterized in that: The mounting slot (22) is provided with the screw rod bracket of any one of claims 1 to 6 at the end position thereof, the mounting slot (22) is provided with avoiding holes (21) on both side walls thereof, the protrusions (13) on the outer sides of the two elastic legs (12) are located in the avoiding holes (21), and the elastic compression structure is elastically supported on the top of the upper slide rail (2).

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