A mechanical slide rail for automobile seat

Abstract

The present invention discloses a mechanical slide rail for a car seat, comprising two groups of slide rails, a locking piece and an unlocking piece arranged in parallel, the locking piece is slidably connected to the slide rail and is located on the inner side of the slide rail, the unlocking piece cooperates with the locking piece, each group of slide rails comprises an upper slide rail and a lower slide rail, the upper slide rail and the lower slide rail are fixedly connected by a fixing plate, the upper slide rail comprises a stop grid and an outer slide bar, the stop grid is located on a side of the upper slide rail relatively close to the locking piece, the outer slide bar is located on a side of the upper slide rail relatively far from the locking piece, and the outer slide bar is provided with a slide groove along the length extension direction of the slide rail. On the basis of the existing technology, the structure of the mechanical slide rail is improved, the position of the slide rail is fixed by the cooperation of the grid teeth and the locking piece, and the stability of the mechanical slide rail when moving is improved by the cooperation of the ball group and the locking piece, thereby effectively improving the use experience of the mechanical slide rail.

Description

Technical Field

[0001] The invention relates to the technical field of automobile seats, and in particular to a mechanical slide rail for an automobile seat. Background Art

[0002] Generally, the front seats of a car are installed on the floor of the car by a set of slide rails, so that the driver or the front passenger can adjust the position of the seat by the slide rails. In order to fix the position of the seat, a fixing mechanism is usually added to the slide rail to lock the slide rail, and the fixing mechanism is connected to a pull rod for the driver or the front passenger to pull and release the slide rail. However, the slide rail is not stable during use, which affects the user experience. Summary of the invention

[0003] In order to solve the problem in the prior art that the slide rail has poor stability and affects the user experience, the present invention proposes a mechanical slide rail for a car seat.

[0004] A mechanical slide rail for a car seat, comprising two groups of slide rails arranged in parallel, a locking member and an unlocking member, the locking member is slidably connected to the slide rails and is located on the inner side of the slide rails, the unlocking member cooperates with the locking member, each group of the slide rails comprises an upper slide rail and a lower slide rail, the upper slide rail and the lower slide rail are fixedly connected by a fixing plate, the upper slide rail comprises a stop grid and an outer slide bar, the stop grid is located on a side of the upper slide rail relatively close to the locking member, the outer slide bar is located on a side of the upper slide rail relatively far from the locking member, and the outer slide bar is provided with a slide groove along the length extension direction of the slide rail;

[0005] The stop fence comprises a plurality of fence teeth and fence bars arranged along the length extension direction of the stop fence, the fence teeth are fixedly connected to the stop fence through the fence bars, the fence teeth have tooth gaps and protruding ends, the tooth gaps are matched with the locking member, and the protruding ends are bent upward relative to an end away from the fence teeth;

[0006] The lower sliding rail includes a ball group and a shock-absorbing cotton strip. The ball group is composed of a plurality of rotating balls and a plurality of connecting shafts arranged in parallel in the same direction. The ball group is located inside the lower sliding rail and is rollingly connected to the lower sliding rail. The shock-absorbing cotton strip is arranged along the length extension direction of the lower sliding rail and is located on the upper side of the lower sliding rail and fits with the locking piece.

[0007] Wherein, the locking member comprises an upper locking member, a lower locking member and a spring, the upper locking member and the lower locking member are connected via the spring, the upper locking member cooperates with the upper slide rail, and the lower locking member cooperates with the lower slide rail.

[0008] Among them, the locking part includes a locking buckle, a buckle seat and a finger pressure plate, the locking buckle is rotatably connected to the buckle seat, the buckle seat covers the upper slide rail, the locking buckle cooperates with the tooth gap, the finger pressure plate is fixedly connected to the locking buckle, and is located on the side of the buckle seat relatively close to the unlocking part.

[0009] Wherein, the buckle seat includes a limit card and a torsion spring, two ends of the torsion spring are respectively connected to the finger pressure plate and the upper slide rail, and the limit card and the slide groove are matched with each other.

[0010] Among them, the lower locking member includes a stopper plate, an arc block and a connecting rod. The stopper plate is in contact with the shock-absorbing cotton strip. The arc block is located on the lower side of the stopper plate and fits with the ball group. The connecting rod is located on the outer side of the stopper plate and is fixedly connected to the upper locking member.

[0011] Wherein, the arc block comprises a block body and a friction pad, wherein the friction pad is located at the lower side of the block body and fits with the ball assembly.

[0012] The beneficial effects of the present invention are as follows: on the basis of the existing technology, the structure of the mechanical slide rail is improved, the grid teeth and the locking member are used to cooperate with each other to fix the position of the slide rail, and the ball group and the locking member are used to cooperate to improve the stability of the mechanical slide rail during movement, thereby effectively improving the user experience of the mechanical slide rail. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 The utility model is a schematic diagram of the axonometric structure of a mechanical slide rail of a car seat according to the present invention.

[0015] Figure 2 The present invention is a schematic diagram of the forward axonometric structure of a mechanical slide rail for an automobile seat.

[0016] Figure 3 The utility model is a schematic diagram of the axonometric structure of a slide rail of a mechanical slide rail for an automobile seat according to the present invention.

[0017] Figure 4 The present invention is a schematic cross-sectional structural diagram of a slide rail of a mechanical slide rail for an automobile seat.

[0018] Figure 5 The utility model is a schematic diagram of the axonometric structure of a ball rolling group of a mechanical slide rail of an automobile seat according to the present invention.

[0019] 10-slide rail, 20-locking piece, 30-unlocking piece, 11-upper slide rail, 12-lower slide rail, 21-upper locking piece, 22-lower locking piece, 23-spring, 31-push rod, 32-rotating shaft, 33-support shaft, 111-stop grid, 112-outer slide bar, 113-grid teeth, 114-grid bars, 115-tooth gaps, 116-protruding ends, 117-slide grooves, 121-ball groups, 122-shock-absorbing cotton strips, 123-rotating beads, 124-connecting shafts, 211-locking buckles, 212-buckle seats, 213-finger pressure plates, 214-limiting cards, 215-torsion springs, 221-resistance plates, 222-arc blocks, 223-connecting rods, 224-blocks, 225-friction pads, 321-pins, 322-resistance columns. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] See also Figures 1 to 5 , the present invention provides a technical solution:

[0023] A mechanical slide rail 10 for a car seat, comprising two groups of slide rails 10 arranged in parallel, a locking member 20 and an unlocking member 30, wherein the locking member 20 is slidably connected to the slide rails 10 and is located on the inner side of the slide rails 10, and the unlocking member 30 cooperates with the locking member 20, each group of the slide rails 10 comprises an upper slide rail 11 and a lower slide rail 12, wherein the upper slide rail 11 and the lower slide rail 12 are fixedly connected via a fixing plate, the upper slide rail 11 comprises a stop grid 111 and an outer slide bar 112, the stop grid 111 is located on a side of the upper slide rail 11 relatively close to the locking member 20, the outer slide bar 112 is located on a side of the upper slide rail 11 relatively far from the lock, and the outer slide bar 112 is provided with a slide groove 117 along the length extension direction of the slide rail 10;

[0024] The stop grid 111 includes a plurality of grid teeth 113 and grid bars 114 arranged along the length extension direction of the stop grid 111, the grid teeth 113 are fixedly connected to the stop grid 111 through the grid bars 114, the grid teeth 113 have tooth gaps 115 and protruding ends 116, the tooth gaps 115 fit with the locking member 20, and the protruding ends 116 are bent upward relative to the end away from the grid teeth 113;

[0025] The lower sliding rail 12 includes a ball group 121 and a shock-absorbing cotton strip 122. The ball group 121 is composed of a plurality of rotating balls 123 and a plurality of connecting shafts 124 arranged in parallel in the same direction. The ball group 121 is located inside the lower sliding rail 12 and is rollingly connected to the lower sliding rail 12. The shock-absorbing cotton strip 122 is arranged along the length extension direction of the lower sliding rail 12 and is located on the upper side of the lower sliding rail 12, and is in contact with the locking member 20.

[0026] In this embodiment, the slide rail 10 is used to allow the locking member 20 to move, and the unlocking member 30 cooperates with the locking member 20 to fix the locking member 20, and the upper slide rail 11 is used to cooperate with the locking member 20 to fix the locking member 20, the lower slide rail 12 is used to improve the stability of the locking member 20 during the movement, the outer slide bar 112 is used to further improve the movement stability of the locking member 20, the grid tooth 113 is used to snap and fix the locking member 20, the grid bar 114 is used to connect the grid tooth 113 and the stop grid 111, the shock-absorbing cotton strip 122 is used to reduce the vibration of the locking member 20 during the movement of the lower slide rail 12, further improving the user experience, and the ball group 121 is used to increase the speed of the locking member 20 during the movement.

[0027] Furthermore, the locking member 20 includes an upper locking member 21, a lower locking member 22 and a spring 23. The upper locking member 21 and the lower locking member 22 are connected via the spring 23. The upper locking member 21 cooperates with the upper slide rail 11, and the lower locking member 22 cooperates with the lower slide rail 12.

[0028] In this embodiment, the upper locking member 21 is used to cooperate with the upper slide rail 11 to fix the locking member 20, and the lower locking member 22 cooperates with the lower slide rail 12, thereby improving the stability and speed of the locking member 20 during movement, thereby improving the user experience, and the spring 23 is in an expanded state when there is no need to adjust the position, so that the upper locking member 21 and the lower locking member 22 can be stably fixed to the upper slide rail 11 and the lower slide rail 12 respectively. When the position needs to be adjusted, the upper locking member 21 is released from the stop grid 111, so that the entire locking member 20 can be moved by moving the lower locking member 22, and the spring 23 also has a certain shock-absorbing effect, which further improves the user experience. After moving to the predetermined position, the spring 23 is released to allow the upper locking member 21 to be re-fixed in the stop grid 111, thereby completing the fixation.

[0029] Furthermore, the locking member 21 includes a locking buckle 211, a buckle seat 212 and a finger pressure plate 213. The locking buckle 211 is rotatably connected to the buckle seat 212. The buckle seat 212 covers the upper slide rail 11. The locking buckle 211 cooperates with the tooth gap 115. The finger pressure plate 213 is fixedly connected to the locking buckle 211 and is located on a side of the buckle seat 212 relatively close to the unlocking member 30.

[0030] In this embodiment, the locking buckle 211 is used to cooperate with the tooth gap 115 to complete the fixation, and the buckle seat 212 is used to support the locking buckle 211, and pressing the finger pressure plate 213 drives the locking buckle 211 to rotate, so that the locking buckle 211 is separated from the stop grid 111, thereby realizing movement.

[0031] Furthermore, the buckle seat 212 includes a limit card 214 and a torsion spring 215 , two ends of the torsion spring 215 are respectively connected to the finger pressure plate 213 and the upper slide rail 11 , and the limit card 214 and the slide groove 117 are mutually matched.

[0032] In this embodiment, the limit card 214 is used to fit with the slide groove 117 to further improve the stability of the locking member 20. The finger pressure plate 213 is fixedly connected to the locking buckle 211, and the torsion spring 215 is used to allow the upper slide rail 11 to be rotatably connected to the finger pressure plate 213. When the locking buckle 211 needs to be fixed, the finger pressure plate 213 is rotated to make the locking buckle 211 disengage from the tooth gap 115, thereby achieving the purpose of releasing the fixation. When fixing is required, the torsion spring 215 drives the finger pressure plate 213 to return to its position and drives the locking buckle 211 to rotate, thereby achieving the purpose of buckling and fixing with the tooth gap 115.

[0033] Furthermore, the lower locking member 22 includes a stopper plate 221, an arc block 222 and a connecting rod 223. The stopper plate 221 is fitted with the shock-absorbing cotton strip 122. The arc block 222 is located on the lower side of the stopper plate 221 and fits with the ball group 121. The connecting rod 223 is located on the outer side of the stopper plate 221 and is fixedly connected to the upper locking member 21.

[0034] In this embodiment, the abutment plate 221 is used to abut the shock-absorbing cotton strip 122, so as to reduce the vibration of the lower locking member 22 during the movement, and the arc block 222 fits the ball group 121, so that it can move stably and with less vibration on the upper side of the ball group 121, and the connecting rod 223 is used to be fixedly connected to the upper locking member 21, so that the lower locking member 22 can move with the movement of the upper locking member 21.

[0035] Furthermore, the arc block 222 has a block body 224 and a friction pad 225 . The friction pad 225 is located at the lower side of the block body 224 and fits with the ball assembly 121 .

[0036] In this embodiment, the block 224 is used to carry the friction pad 225, and the friction pad 225 is used to reduce the vibration of the ball group 121, thereby achieving the purpose of shock absorption.

[0037] Furthermore, the unlocking member 30 includes a push rod 31 , a rotating shaft 32 and a supporting shaft 33 . The push rod 31 is fixedly connected to the supporting shaft 33 . The rotating shaft 32 passes through the supporting shaft 33 and is rotatably connected to the locking member 20 .

[0038] In this embodiment, when the position of the mechanical slide rail 10 needs to be adjusted, the push rod 31 is pressed, and it is rotated with the help of the rotating shaft 32, and the support shaft 33 is driven to rotate, and the support shaft 33 presses the finger pressure plate 213, so that the locking member 21 is disengaged from the buckle to facilitate adjustment. After the adjustment is completed, the push rod 31 is released, and the locking member 21 is fixed to the slide rail 10 by the action of the torsion spring 215 and the spring 23, thereby achieving the fixation of the mechanical slide rail 10.

[0039] Furthermore, the rotating shaft 32 includes a latch 321 and a stop column 322 . The latch 321 cooperates with the finger pressure plate 213 , and the stop column 322 is fixedly connected to the rotating shaft 32 .

[0040] In this embodiment, when the rotating shaft 32 rotates, the latch 321 is disengaged from the support column 322 . When the rotating shaft 32 is reset by the support shaft 33 , the latch 321 is again locked and fixed with the support column 322 .

[0041] Based on the prior art, the present invention improves the structure of the mechanical slide rail 10, and utilizes the cooperation between the lower locking member 22 and the lower slide rail 12 to effectively improve the stability and speed of the mechanical slide rail 10 during use. The cooperation between the upper locking member 21 and the upper slide rail 11 greatly improves the stability of the mechanical slide rail 10 after use. At the same time, the structure is simple and easy to install, which effectively improves the user experience.

[0042] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A mechanical slide rail for a car seat, characterized in that: The invention comprises two sets of parallelly arranged slide rails, a locking member and an unlocking member, the locking member is slidably connected with the slide rail and is located on the inner side of the slide rail, the unlocking member cooperates with the locking member, each set of the slide rails comprises an upper slide rail and a lower slide rail, the upper slide rail and the lower slide rail are fixedly connected by a fixing plate, the upper slide rail comprises a stop grid and an outer slide bar, the stop grid is located on a side of the upper slide rail relatively close to the locking member, the outer slide bar is located on a side of the upper slide rail relatively far from the locking member, and the outer slide bar is provided with a slide groove along the length extension direction of the slide rail; The stop fence comprises a plurality of fence teeth and fence bars arranged along the length extension direction of the stop fence, the fence teeth are fixedly connected to the stop fence through the fence bars, the fence teeth have tooth gaps and protruding ends, the tooth gaps are matched with the locking member, and the protruding ends are bent upward relative to an end away from the fence teeth; The lower slide rail includes a ball group and a shock-absorbing cotton strip, the ball group is composed of a plurality of rotating balls and a plurality of connecting shafts arranged in parallel in the same direction, and the ball group is located inside the lower slide rail and is rollingly connected to the lower slide rail, the shock-absorbing cotton strip is arranged along the length extension direction of the lower slide rail, and is located on the upper side of the lower slide rail, and is in contact with the locking member; The locking member comprises an upper locking member, a lower locking member and a spring, the upper locking member and the lower locking member are connected via the spring, the upper locking member cooperates with the upper slide rail, and the lower locking member cooperates with the lower slide rail; The upper locking member includes a locking buckle, a buckle seat and a finger pressure plate, the locking buckle is rotatably connected to the buckle seat, the buckle seat covers the upper slide rail, the locking buckle cooperates with the tooth gap, the finger pressure plate is fixedly connected to the locking buckle and is located on a side of the buckle seat relatively close to the unlocking member; the buckle seat includes a limit card and a torsion spring, the two ends of the torsion spring are respectively connected to the finger pressure plate and the upper slide rail, and the limit card and the slide groove fit each other; The lower locking member includes a stopper, an arc block and a connecting rod, the stopper is fitted with the shock-absorbing cotton strip, the arc block is located at the lower side of the stopper and fits with the ball group, the connecting rod is located at the outer side of the stopper and is fixedly connected with the upper locking member; the arc block has a block body and a friction pad, the friction pad is located at the lower side of the block body and fits with the ball group; The unlocking member comprises a push rod, a rotating shaft and a supporting shaft, wherein the push rod is fixedly connected to the supporting shaft, and the rotating shaft passes through the supporting shaft and is rotatably connected to the locking member; The rotating shaft comprises a bayonet and a stop column, the bayonet cooperates with the finger pressure plate, and the stop column is fixedly connected to the rotating shaft.

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