Lower slide rail convenient to bite and release and dustproof rubber strip mounting structure and seat slide rail

Abstract

The utility model discloses a convenient to engage and separate lower slide rail and dustproof rubber strip mounting structure, be provided with matching structure between dustproof rubber strip and lower slide rail, the matching structure includes the arrowhead feature that is symmetrically set up on dustproof rubber strip or lower slide rail, and the cavity feature that is symmetrically set up on lower slide rail or dustproof rubber strip for the arrowhead feature to stretch into, the arrowhead feature includes two engagement inclined planes of bottom and the arrowhead structure that is surrounded to the guide inclined plane of left and right sides, and the height of guide inclined plane is greater than the height of engagement inclined plane, still disclose a seat slide rail. The guide inclined plane of left and right sides can effectively position dustproof rubber strip and engage, prevent dustproof rubber strip abrasion and fatigue damage, and the engagement inclined plane can realize dustproof rubber strip and lower slide rail connection not to come off, also can realize dustproof rubber strip and lower slide rail's smooth separation.

Description

Technical Field

[0001] This utility model relates to the field of automotive seats, and in particular to an installation structure for a lower slide rail and a dustproof rubber strip on a long-distance slide rail of an automotive seat system, as well as a seat slide rail. Background Technology

[0002] During the sliding process of a car seat, a long sliding rail mechanism is required, such as... Figure 6 As shown, by setting an embedded dustproof strip to fully cover the lower slide rail, the lower slide rail remains seamless during the movement of the upper slide rail, preventing foreign objects from entering the lower slide rail. The dustproof strip has symmetrically arranged rounded ribs at both ends of its bottom for engaging with corresponding grooves on the lower guide rail. However, because the ribs on the dustproof strip are rounded, the engagement and disengagement with the grooves on the lower slide rail accelerates wear and fatigue damage to the dustproof strip, leading to functional failure. Utility Model Content

[0003] To address the problems existing in the prior art, this utility model aims to provide a sliding rail and dustproof rubber strip installation structure that facilitates engagement and disengagement, significantly improving the functional failure caused by wear and fatigue damage of the dustproof rubber strip and extending its service life.

[0004] To achieve the above objectives, this utility model proposes a convenient engagement and disengagement mounting structure for a sliding rail and a dustproof rubber strip, comprising a sliding rail and a dustproof rubber strip. A matching structure is provided between the dustproof rubber strip and the sliding rail to cover the gaps on the sliding rail. The matching structure includes arrow features symmetrically arranged on the dustproof rubber strip or the sliding rail, and cavity features symmetrically arranged on the sliding rail or the dustproof rubber strip for the arrow features to extend into. The arrow features include an arrow-shaped structure formed by two engagement inclined planes at the bottom and guide inclined planes on the left and right sides. The height of the guide inclined planes is greater than the height of the engagement inclined planes. The two guide inclined planes are connected by a first transition surface, and the guide inclined planes and the engagement inclined planes are connected by a second transition surface.

[0005] As a preferred embodiment of the above scheme, the first transition surface includes a horizontal transition surface and a transition arc surface between the horizontal transition surface and the left and right guide inclined planes; the second transition surface includes a vertical transition surface and a transition arc surface between the vertical transition surface and the guide inclined plane and the interlocking inclined plane.

[0006] More preferably, the height of the guide ramp is 3 to 4 times the height of the engagement ramp.

[0007] More preferably, the bottom of the dustproof strip is flat, and the cavity features are symmetrically arranged on the bottom of the dustproof strip; the cross-section of the gap on the lower rail is a stepped groove with a smaller top and a larger bottom, and the dustproof strip falls into the upper step of the stepped groove, with the arrow features symmetrically arranged on the upper step.

[0008] Meanwhile, a seat slide rail with a convenient engagement and disengagement mechanism for the lower slide rail and dustproof rubber strip is also proposed. It also includes a pressure roller and a tension roller. The upper slide rail includes an upper rail bracket and an upper rail lower bracket fixed together. When the upper slide rail moves back and forth through the rolling roller, the dustproof rubber strip inside the upper rail bracket partially disengages from the lower slide rail. The two ends of the disengaged section are pressed by the pressure roller installed in the upper rail bracket, and the middle part of the disengaged section is tensioned by the tension roller installed in the upper rail bracket. The dustproof rubber strip is installed in the gap at the top of the lower slide rail. By designing the upper slide rail as a split structure with an upper support and a lower support, and combining the dustproof rubber strip with a pressure roller and a tension roller, gaps are eliminated during the sliding of the upper slide rail, effectively preventing foreign objects from entering the lower slide rail and affecting its sliding. This also effectively blocks noise during slide rail operation, improving the riding experience. When the dustproof rubber strip partially detaches from the lower slide rail, the pressure roller and tension roller exert force on the dustproof rubber strip, tensioning it while ensuring it returns to its correct position, avoiding repeated stretching and shortening of the dustproof rubber strip's lifespan. This effectively blocks noise, achieves high-efficiency dust prevention, further increases the lifespan of the dustproof rubber strip, and is easy to implement.

[0009] More preferably, the upper rail support is formed by two sheet metal parts snapping together to form a cover shape, and the upper rail support and the lower rail support are connected by bolts.

[0010] More preferably, brushes are installed on both the front and rear outer sides of the upper rail bracket, and the brushes are used to remove dust from the dustproof rubber strip when the upper rail bracket moves back and forth.

[0011] More preferably, the front and rear ends of the dustproof rubber strip are fixedly installed on the lower slide rail. When the upper slide rail moves back and forth by the rolling wheel, the dustproof rubber strip in front of the upper slide rail can be pulled out from the lower slide rail and covered into the bracket on the upper rail. The pressing wheel at the rear presses the dustproof rubber strip into the gap of the lower slide rail.

[0012] More preferably, there are two tensioning wheels, which are spaced apart from each other and the distance between them is less than the distance between the two pressing wheels. The two tensioning wheels and the two pressing wheels are arranged in an isosceles trapezoidal shape.

[0013] A further preferred embodiment is that the tensioning wheel is provided with discs at both its left and right ends, and the dustproof strip is located between the two discs to limit the left and right movement of the dustproof strip.

[0014] The beneficial effects of this utility model are as follows: the dustproof rubber strip and the lower slide rail are engaged and disengaged by the mutually cooperating arrow features and cavity features. The guide inclined planes on the left and right sides can effectively position and engage the dustproof rubber strip, preventing wear and fatigue damage to the dustproof rubber strip. The engagement inclined planes can ensure that the dustproof rubber strip and the lower slide rail are connected without loosening, and can also ensure that the dustproof rubber strip and the lower slide rail are smoothly disengaged. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the seat slide rail structure of this utility model (remove the upper rail bracket on one side).

[0016] Figure 2 This is a schematic diagram of the seat slide rail structure of this utility model.

[0017] Figure 3 This is a partial schematic diagram of the sliding rail of this utility model.

[0018] Figure 4 This is a partial schematic diagram of the dustproof adhesive strip of this utility model.

[0019] Figure 5 This is a schematic diagram of the installation structure of the sliding rail and dustproof rubber strip for easy engagement and disengagement.

[0020] Figure 6 It is an existing car seat slide rail mechanism. Detailed Implementation

[0021] like Figure 1 — Figure 5 As shown, a seat slide rail mainly consists of a lower slide rail 1, a dustproof rubber strip 2, an upper slide rail, a pressure roller 3, a tension roller 4, a rolling roller (not shown in the figure), and a brush 6.

[0022] The dustproof rubber strip 2 is installed in the gap at the top of the lower slide rail 1. The upper slide rail includes an upper rail bracket 7 and an upper rail lower bracket 8 fixed together. The pressure roller 3 and tension roller 4 are installed inside the upper rail bracket 7. There are two pressure rollers 3 and two tension rollers 4, or one tension roller 4 may be used. Part of the dustproof rubber strip 2 is located outside the upper rail bracket 7 and tightly fits into the gap at the top of the lower slide rail 1; another part is inserted inside the upper rail bracket 7, serving as a detachable section.

[0023] As the upper slide rail moves back and forth via the rolling rollers, the dustproof rubber strip 2 at the front of the upper slide rail is pulled out from the lower slide rail 1 and placed inside the upper support 7 of the upper rail. The pressure roller 3 at the rear presses the dustproof rubber strip 2 into the gap of the lower slide rail 1. The dustproof rubber strip 2 inside the upper support 7 of the upper rail partially detaches from the lower slide rail 1, and the two ends of the detached section are pressed by the pressure roller 3, while the middle part of the detached section is tensioned by the tensioning roller 4.

[0024] The upper rail support 7 is made of two sheet metal parts that are fastened together to form a cover shape. The upper rail support and the lower rail support are connected by bolts.

[0025] The left and right sheet metal parts of the upper rail bracket 7 are equipped with top flange, front flange, and rear flange. The left and right sheet metal parts are fastened together and welded by flange welding.

[0026] There are two tensioning wheels 4 inside the upper rail bracket 7, which are spaced apart and the distance between them is less than the distance between the two pressing wheels 3. The two tensioning wheels 4 and the two pressing wheels 3 are arranged in an isosceles trapezoidal shape.

[0027] Both ends of the tension wheel 4 are equipped with discs, and the dustproof rubber strip 2 is located between the two discs to limit the left and right movement of the dustproof rubber strip 2.

[0028] Brushes 6 are installed on the front and rear outer sides of the upper rail bracket 7. When the upper rail bracket 7 moves back and forth, the brushes 6 are used to remove dust from the dustproof rubber strip 2.

[0029] Combination Figure 3 — Figure 5 As shown, a sliding rail and dustproof rubber strip installation structure that facilitates engagement and disengagement is provided. A matching structure is provided between the dustproof rubber strip 2 and the sliding rail 1 to cover the gaps on the sliding rail 1.

[0030] The matching structure includes arrow features A symmetrically arranged on the dustproof strip 2 or the lower slide rail 1, and cavity features B symmetrically arranged on the lower slide rail 1 or the dustproof strip 2 for the arrow features 3 to extend into.

[0031] Arrow feature A includes an arrow-shaped structure formed by two occlusal ramps A-1 at the bottom and guide ramps A-2 on the left and right sides. The height of the guide ramps A-2 is greater than the height of the occlusal ramps A-1. The two guide ramps A-2 are connected by a first transition surface, and the guide ramps A-2 and the occlusal ramps A-1 are connected by a second transition surface.

[0032] Preferably, the first transition surface comprises a horizontal transition surface A-3 and a transition arc surface between the horizontal transition surface A-3 and the left and right guide inclined planes A-2; the second transition surface comprises a vertical transition surface A-4 and a transition arc surface between the vertical transition surface A-4 and the guide inclined plane A-2 and the interlocking inclined plane A-1.

[0033] Furthermore, the height of the guide plane A-2 is 3 to 4 times the height of the engagement plane A-1.

[0034] The bottom of the dustproof rubber strip 2 is flat, and the cavity feature B is symmetrically arranged on the bottom of the dustproof rubber strip 2; the cross-section of the gap on the lower slide rail 1 is a stepped groove with a smaller top and a larger bottom, and the dustproof rubber strip 2 falls into the upper step of the stepped groove, and the arrow feature A is symmetrically arranged on the upper step.

Claims

1. A sliding rail and dustproof rubber strip installation structure for easy engagement and disengagement, comprising a sliding rail (1) and a dustproof rubber strip (2), wherein a matching structure is provided between the dustproof rubber strip (2) and the sliding rail (1) to cover gaps on the sliding rail (1), characterized in that, The matching structure includes arrow features (A) symmetrically arranged on the dustproof rubber strip (2) or the lower slide rail (1), and cavity features (B) symmetrically arranged on the lower slide rail (1) or the dustproof rubber strip (2) for the arrow features (A) to extend into. The arrow features (A) include an arrow-shaped structure formed by two interlocking inclined planes (A-1) at the bottom and guide inclined planes (A-2) on the left and right sides. The height of the guide inclined plane (A-2) is greater than the height of the interlocking inclined plane (A-1). The two guide inclined planes (A-2) are connected by a first transition surface, and the guide inclined plane (A-2) and the interlocking inclined plane (A-1) are connected by a second transition surface.

2. The convenient engagement and disengagement mounting structure of the lower slide rail and dustproof rubber strip according to claim 1, characterized in that: The first transition surface includes a horizontal transition surface (A-3) and a transition arc surface between the horizontal transition surface (A-3) and the two left and right guide inclined planes (A-2); the second transition surface includes a vertical transition surface (A-4) and a transition arc surface between the vertical transition surface (A-4) and the guide inclined plane (A-2) and the interlocking inclined plane (A-1).

3. The convenient engagement and disengagement mounting structure of the lower slide rail and dustproof rubber strip according to claim 2, characterized in that: The height of the guide ramp (A-2) is 3 to 4 times the height of the engagement ramp (A-1).

4. The convenient engagement and disengagement mounting structure of the lower slide rail and dustproof rubber strip according to claim 1, characterized in that: The bottom of the dustproof rubber strip (2) is flat, and the cavity feature (B) is symmetrically arranged on the bottom of the dustproof rubber strip (2); the cross section of the gap on the lower slide rail (1) is a stepped groove with a smaller top and a larger bottom, and the dustproof rubber strip (2) falls into the upper step of the stepped groove, and the arrow feature (A) is symmetrically arranged on the upper step.

5. A seat slide rail comprising a convenient engagement and disengagement sliding rail and a dustproof rubber strip mounting structure as described in any one of claims 1-4, characterized in that: It also includes a pressure roller (3) and a tension roller (4). The upper slide rail includes an upper rail bracket (7) and an upper rail lower bracket (8) fixed together. When the upper slide rail moves back and forth through the rolling roller, the dustproof rubber strip (2) inside the upper rail bracket (7) partially detaches from the lower slide rail (1), and the two ends of the detached section are pressed by the pressure roller (3) installed in the upper rail bracket (7), and the middle part of the detached section is tensioned by the tension roller (4) installed in the upper rail bracket (7).

6. The seat slide rail according to claim 5, characterized in that: The upper rail bracket (7) is made of two sheet metal parts that are fastened together to form a cover shape. The upper rail bracket (7) and the lower rail bracket (8) are connected by bolts.

7. The seat slide rail according to claim 5, characterized in that: Brushes (6) are installed on the front and back sides of the upper rail bracket (7). When the upper rail bracket (7) moves back and forth, the brushes (6) are used to remove dust from the dustproof rubber strip (2).

8. The seat slide rail according to claim 5, characterized in that: The front and rear ends of the dustproof rubber strip (2) are fixedly installed on the lower slide rail (1). When the upper slide rail moves back and forth through the rolling wheel, the dustproof rubber strip (2) in front of the upper slide rail can be pulled out from the lower slide rail (1) and covered into the upper support (7) of the upper rail. The pressing wheel (3) at the rear presses the dustproof rubber strip (2) into the gap of the lower slide rail (1).

9. The seat slide rail according to claim 5, characterized in that: There are two tensioning wheels (4), which are spaced apart and the distance between them is less than the distance between the two pressing wheels (3). The two tensioning wheels (4) and the two pressing wheels (3) are arranged in an isosceles trapezoidal shape.

10. The seat slide rail according to claim 5, characterized in that: The tensioning wheel (4) has discs at both ends, and the dustproof strip (2) is located between the two discs to limit the left and right movement of the dustproof strip (2).

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