Upper rail fixing assembly of automobile seat long sliding rail front-back adjusting device

Abstract

The utility model relates to an upper rail fixing assembly of an automobile seat long sliding rail front-back adjusting device, which comprises an end cover capable of being matched with the end part of an upper rail and a fixing arm, the end cover comprises a cover body and mounting bases symmetrically arranged on the two opposite sides of the cover body, and connecting arms are respectively arranged on the lower sides of the two opposite sides of the cover body; the connecting arms are connected with the lower sides of the mounting bases on the corresponding sides respectively, and the fixing arm is mounted on the inner side end face of the cover body and is close to one mounting base. The stability of the locking structure in the seat sliding rail can be effectively improved.

Description

Technical Field

[0001] The present application relates to the field of a front-to-back adjustment device for a long slide rail of a car seat, and in particular to an upper rail fixing assembly of the front-to-back adjustment device for a long slide rail of a car seat. Background Art

[0002] Car seats are essential supporting facilities in cars, and when using car seats, what you need to use is the seat adjustment function. Our common seat front and rear adjustment function, whether it is electric adjustment or manual adjustment, most of them will use seat slides.

[0003] Usually, the seat slide includes an upper rail and a lower rail; the upper rail includes an N-shaped upper body, the lower ends of the left and right sides of the upper body are bent outward to form lower bent parts, and the lower bent parts on the left and right sides are bent upward to form a slide plate; the lower rail includes a lower body, and tracks are respectively arranged on the left and right sides of the lower body, the track includes outer plates formed by bending upwards on the left and right sides of the lower body, an arc-shaped transition section connected to the upper end of the outer plate and transitioning in an arc shape to the inside, an upper bent plate connected to the upper end of the arc-shaped transition section, and an inner plate formed by bending downwards at the inner end of the upper bent plate, the inner plate is located between the slide plate on the corresponding side and the upper body, and there is a movable gap between the inner plate and the lower bent part on the corresponding side, and a locking mechanism for front and rear adjustment is installed between the upper rail and the lower rail.

[0004] However, the inventor believes that the conventional locking structure only relies on the upper rail or the lower rail for direct fixation, and in use, structural instability is inevitable. Utility Model Content

[0005] In order to effectively improve the stability of the locking structure inside the seat slide rail.

[0006] The present application provides an upper rail fixing assembly of a long slide rail front and rear adjustment device for a car seat, which adopts the following technical solution:

[0007] An upper rail fixing assembly of a long slide rail front and rear adjustment device for an automobile seat comprises an end cover and a fixing arm which can be mounted in cooperation with the end of the upper rail. The end cover comprises a cover body and mounting bases symmetrically arranged on opposite sides of the cover body. Connecting arms are respectively arranged at the lower sides of the opposite sides of the cover body. The connecting arms are respectively connected to the lower sides of the mounting bases on the corresponding sides. The fixing arm is mounted on the inner end surface of the cover body and is close to one of the mounting bases.

[0008] Optionally, the mounting base includes a base body and a stabilizing auxiliary support seat, the base body is provided with a mounting hole for mounting on the end of the upper rail along the length direction of the fixed arm, and the stabilizing auxiliary support seat is arranged on the outer side wall of the base body.

[0009] Optionally, the stable auxiliary support seat includes a mounting base, an arc-shaped support plate, and a connecting plate. The end of the arc-shaped support plate on the same side as the cover body is fixedly connected to the mounting base, and the other end is connected to the connecting plate. The connecting plate is installed on the side of the mounting base away from the cover body.

[0010] Optionally, the connecting plate and the arc-shaped supporting plate are connected via an arc-shaped transition section.

[0011] Optionally, the distance between the arc-shaped support plate and the mounting substrate gradually increases in a direction away from the cover body.

[0012] Optionally, a support protrusion with a fan-shaped cross section is provided on a side of the mounting substrate facing the arc-shaped support plate, and the highest point of the support protrusion does not contact the arc-shaped support plate.

[0013] Optionally, the supporting protrusion is arranged at a position of the mounting base plate close to one side of the connecting plate.

[0014] Optionally, a fixed base plate is provided at the end of the fixed arm away from the cover body, the thickness of the fixed base plate is smaller than the thickness of the fixed arm, and a locking hole is provided on the fixed base plate.

[0015] Optionally, the fixed arm includes an extension section and an inclined section, the inclined section is arranged on a side of the extension section away from the cover body, and the fixed base plate is arranged at an end position of the inclined section.

[0016] Optionally, the maximum height of the inclined section relative to the connecting arm>the maximum height of the mounting base relative to the connecting arm>the maximum height of the cover body relative to the connecting arm.

[0017] In summary, the present application includes at least one of the following beneficial technical effects: the end cover is installed at the end position of the upper rail, and then the fixed arm is extended into the interior of the upper rail to assist in fixing or locking the related accessories of the locking structure, which, to a certain extent, improves the stability between the structures and reduces unnecessary shaking or damage of parts during vehicle use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an upper rail fixing assembly of a long slide rail front and rear adjustment device for a car seat in an embodiment of the present application.

[0019] Explanation of the accompanying drawings: 1. cover body; 2. connecting arm; 3. base body; 4. mounting hole; 5. mounting base plate; 6. arc-shaped support plate; 7. connecting plate; 8. supporting protrusion; 9. fixed base plate; 10. extension section; 11. inclined section; 12. locking hole. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1 This application is described in further detail.

[0021] The present application embodiment discloses an upper rail fixing assembly of a long slide rail front and rear adjustment device for a car seat. Figure 1 , including an end cover and a fixed arm that can be installed in cooperation with the end of the upper rail. The end cover includes a cover body 1 and mounting bases symmetrically arranged on opposite sides of the cover body 1. Connecting arms 2 are respectively arranged at the lower positions of the opposite sides of the cover body 1. The connecting arms 2 are respectively connected to the lower sides of the mounting bases on the corresponding sides. The fixed arm is installed on the inner end surface of the cover body 1 and is close to one of the mounting bases.

[0022] The above-mentioned mounting base includes a base body 3 and a stabilizing auxiliary support seat. The base body 3 is provided with a mounting hole 4 for mounting on the end of the upper rail along the length direction of the fixed arm, and the stabilizing auxiliary support seat is arranged on the outer side wall of the base body 3; wherein, the stabilizing auxiliary support seat includes a mounting substrate 5, an arc-shaped support plate 6, and a connecting plate 7. The end of the arc-shaped support plate 6 on the same side as the cover body 1 is fixedly connected to the mounting substrate 5, and the other end is connected to the connecting plate 7. The connecting plate 7 is installed on the side of the mounting substrate 5 away from the cover body 1; after the upper rail and the lower rail are installed with each other, the mounting base can abut against the inner wall of the lower rail, which can effectively enhance the stability and smoothness of the fit between the upper and lower rails.

[0023] In this embodiment, the connecting plate 7 is connected to the arc-shaped support plate 6 by an arc-shaped transition section, and the distance between the arc-shaped support plate 6 and the mounting base plate 5 gradually increases in the direction away from the cover body 1. A support protrusion 8 with a fan-shaped cross-section is provided on the side of the mounting base plate 5 facing the arc-shaped support plate 6. The highest point of the support protrusion 8 does not contact the arc-shaped support plate 6. The support protrusion 8 is provided at a position of the mounting base plate 5 close to the side of the connecting plate 7. After such a design, the structural reliability of the mounting base when it is squeezed can be improved, and the support protrusion 8 can ensure that when the upper rail and the lower rail shake, the arc-shaped support plate 6 is prevented from being damaged due to excessive deformation, thereby better increasing the reliability of the structure. At the same time, the fixed arm is away from the cover body 1 A fixed base plate 9 is provided at the end thereof, and the thickness of the fixed base plate 9 is less than the thickness of the fixed arm. A locking hole 12 is provided on the fixed base plate 9. In this embodiment, the fixed arm includes an extension section 10 and an inclined section 11. The inclined section 11 is provided on the side of the extension section 10 away from the cover body 1. The fixed base plate 9 is provided at the end position of the inclined section 11. After installation, in order to make the fit within the structure more consistent with the position fit between the parts after assembly between the upper rail and the lower rail, and to prevent unnecessary friction and collision between the parts during operation, it can be designed that the maximum height of the inclined section 11 relative to the connecting arm 2 is greater than the maximum height of the mounting base relative to the connecting arm 2 and the maximum height of the cover body 1 relative to the connecting arm 2.

[0024] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An upper rail fixing assembly of a long slide rail front and rear adjustment device for a car seat, characterized in that: The invention comprises an end cover and a fixed arm which can be mounted in cooperation with the end of the upper rail. The end cover comprises a cover body (1) and mounting bases symmetrically arranged on opposite sides of the cover body (1). Connecting arms (2) are respectively arranged at the lower sides of the opposite sides of the cover body (1). The connecting arms (2) are respectively connected to the lower sides of the mounting bases on the corresponding sides. The fixed arm is mounted on the inner end surface of the cover body (1) and is close to one of the mounting bases.

2. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 1, characterized in that: The mounting base comprises a base body (3) and a stabilizing auxiliary support seat, the base body (3) is provided with a mounting hole (4) for mounting on the end of the upper rail along the length direction of the fixed arm, and the stabilizing auxiliary support seat is arranged on the outer side wall of the base body (3).

3. The upper rail fixing assembly of the long slide rail front-back adjustment device for a car seat according to claim 2, characterized in that: The stabilizing auxiliary support seat comprises a mounting base plate (5), an arc-shaped support plate (6), and a connecting plate (7); an end of the arc-shaped support plate (6) on the same side as the cover body (1) is fixedly connected to the mounting base plate (5), and the other end is connected to the connecting plate (7); the connecting plate (7) is mounted on a side of the mounting base plate (5) away from the cover body (1).

4. The upper rail fixing assembly of the long slide rail front-back adjustment device for a car seat according to claim 3, characterized in that: The connecting plate (7) and the arc-shaped supporting plate (6) are connected via an arc-shaped transition section.

5. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 3, characterized in that: The distance between the arc-shaped support plate (6) and the mounting base plate (5) gradually increases in a direction away from the cover body (1).

6. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 3, characterized in that: A support protrusion (8) with a fan-shaped cross section is provided on one side of the mounting base plate (5) facing the arc-shaped support plate (6), and the highest point of the support protrusion (8) does not contact the arc-shaped support plate (6).

7. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 6, characterized in that: The supporting protrusion (8) is arranged at a position of the mounting base plate (5) close to one side of the connecting plate (7).

8. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 1, characterized in that: A fixed base plate (9) is provided at the end of the fixed arm away from the cover body (1); the thickness of the fixed base plate (9) is smaller than the thickness of the fixed arm; and a locking hole (12) is provided on the fixed base plate (9).

9. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 8, characterized in that: The fixed arm comprises an extension section (10) and an inclined section (11); the inclined section (11) is arranged on a side of the extension section (10) away from the cover body (1); and the fixed base plate (9) is arranged at an end position of the inclined section (11).

10. The upper rail fixing assembly of the long slide rail front-to-back adjustment device for a car seat according to claim 9, characterized in that: The maximum height of the inclined section (11) relative to the connecting arm (2)>the maximum height of the mounting base relative to the connecting arm (2)>the maximum height of the cover body (1) relative to the connecting arm (2).

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