Manual sliding rail structure for truck seat

Abstract

The utility model relates to a manual sliding rail structure for a truck seat. The manual sliding rail structure is a component in an automobile seat. The sliding rail comprises a handle assembly, a left sliding rail and a right sliding rail, the left sliding rail and the right sliding rail are symmetrical in structure, each of the left sliding rail and the right sliding rail comprises a lower sliding rail assembly, a lock assembly, an upper sliding rail assembly and an unlocking mechanism, the lock assemblies penetrate through the upper sliding rail assemblies to be fixed to the unlocking mechanisms, and the upper sliding rail assemblies are in sliding fit with the lower sliding rail assemblies. The unlocking mechanism comprises a fixing plate, an unlocking pressing plate, a spring piece, a rotating shaft, a rotation hole, a fixing hole, a spring hole and a boss, one end of the spring piece is fixed in the spring hole, the other end of the spring piece is fixed to the first unlocking piece, the rotating shaft penetrates through the spring piece and the rotation hole in the unlocking pressing plate to be riveted with the fixing hole, and the unlocking pressing plate is movably connected with the fixing plate; the boss is matched with a square hole in the handle assembly, and a shaft head of the rotating shaft is rotationally matched with an unlocking piece hole in the handle assembly. The utility model has the advantages of reasonable structural design, safety, reliability, light weight, high strength and good performance, and meets the use requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to a slide rail, especially a manual slide rail structure for a truck seat, which is a component in an automobile seat. BACKGROUND

[0002] The automobile seat slide rail is located at the bottom of the automobile seat and can adjust the front and back positions of the seat as required.

[0003] At present, the same type of automobile seat slide rail comprises a handle assembly and left and right slide rails which are symmetrical in structure. The left and right slide rails each comprise a lower slide rail assembly, a lock assembly and an upper slide rail assembly. The automobile seat slide rail of this structure mainly has the following shortcomings in actual use: 1) the overall strength of the slide rail is low and it is easy to be damaged, which can cause a safety hazard; and 2) the overall performance is poor and it cannot meet the existing use requirements. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the above-mentioned deficiencies in the prior art and providing a manual slide rail structure for a truck seat, which is reasonable in structural design, safe and reliable, light in weight, high in strength and good in performance.

[0005] The utility model adopts the technical scheme that the manual slide rail structure for the truck seat comprises a handle assembly and left and right slide rails which are symmetrical in structure. The left and right slide rails each comprise a lower slide rail assembly, a lock assembly, an upper slide rail assembly and an unlocking mechanism. The lock assembly penetrates through the upper slide rail assembly and is fixed with the unlocking mechanism. The upper slide rail assembly is in sliding fit with the lower slide rail assembly. The handle assembly comprises a handle, a rotary shaft, an unlocking sheet one, an unlocking sheet two, an unlocking sheet hole and a square hole. The handle is welded with the rotary shaft. The rotary shaft has the unlocking sheet one and the unlocking sheet two welded at both ends. The unlocking sheet one and the unlocking sheet two are each provided with the unlocking sheet hole and the square hole. The unlocking mechanism comprises a fixed plate, an unlocking pressure plate, a spring piece, a rotary shaft, a rotary hole, a fixed hole, a spring hole and a boss. One end of the spring piece is fixed in the spring hole of the fixed plate. The other end of the spring piece is fixed on the unlocking sheet one in the handle assembly. The rotary shaft penetrates through the rotary hole and the fixed hole in the spring piece and the unlocking pressure plate and is riveted and fixed. The unlocking pressure plate is movably connected with the fixed plate. The boss is matched with the square hole in the handle assembly. The shaft head of the rotary shaft is in rotary fit with the unlocking sheet hole in the handle assembly.

[0006] As a preference, the utility model further comprises a plurality of locking grooves and a plurality of lock teeth. The lower slide rail assembly is provided with the plurality of locking grooves. The lock assembly is provided with the plurality of lock teeth. The plurality of locking grooves are matched with the plurality of lock teeth.

[0007] As a preference, the utility model further comprises a locking spring. The lock assembly is further provided with the locking spring. One end of the locking spring is connected with the lock assembly. The other end of the locking spring is connected with the upper slide rail assembly.

[0008] As preferred, the unlocking mechanism further comprises a pressing head, which passes through the flat hole in the upper slide rail assembly and cooperates with the upper plane of the lock tooth.

[0009] As preferred, the left slide rail further comprises a front mounting foot, which is riveted with the lower slide rail assembly.

[0010] Compared with the prior art, the utility model has the following advantages and effects: (1) the overall structure is reasonable in design, safe and reliable, the two ends of the rotating shaft are welded with unlocking sheet one and unlocking sheet two, the boss matches the square hole in the handle assembly, the shaft head of the rotating shaft rotationally cooperates with the unlocking sheet hole in the handle assembly, unlocking is realized through the handle in the handle assembly, and reset locking is realized through the locking spring; (2) the overall weight is light (weight reduction is realized under the premise of meeting product structure strength, reliability and function), high in strength, good in performance and meeting use demand. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the overall structure schematic diagram of the utility model embodiment.

[0012] Fig. 2 It is the overall split structure schematic diagram of the utility model embodiment.

[0013] Fig. 3 It is the split structure schematic diagram of the left slide rail in the utility model embodiment.

[0014] Fig. 4 It is the split structure schematic diagram of the unlocking mechanism in the utility model embodiment.

[0015] In the drawing: left slide rail 1, right slide rail 2, handle assembly 3;

[0016] Left slide rail 1: lower slide rail assembly 11, lock assembly 12, upper slide rail assembly 13, unlocking mechanism 14, front mounting foot 15; locking groove 111, lock tooth 121, locking spring 122, flat hole 131;

[0017] Unlocking mechanism 14: fixed plate 141, unlocking pressing plate 142, spring piece 143, rotating shaft 144, rotating hole 145, fixed hole 146, spring hole 147, pressing head 148, boss 149;

[0018] Handle assembly 3: handle 31, rotating shaft 32, unlocking sheet one 33, unlocking sheet two 34, unlocking sheet hole 35, square hole 36 DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings and through embodiments, and the following embodiments are the explanation of the utility model, and the utility model is not limited to the following embodiments.

[0020] Embodiment

[0021] Reference Figs. 1 to 4 The manual slide rail structure for truck seat of the embodiment comprises a handle assembly 3 and a left slide rail 1 and a right slide rail 2 which are symmetrical in structure, the left slide rail 1 and the right slide rail 2 each comprise a lower slide rail assembly 11, a lock assembly 12, an upper slide rail assembly 13, an unlocking mechanism 14 and a front mounting foot 15, the lock assembly 12 is fixed through the upper slide rail assembly 13 and the unlocking mechanism 14, the upper slide rail assembly 13 is in sliding fit with the lower slide rail assembly 11, and the front mounting foot 15 is riveted with the lower slide rail assembly 11.

[0022] The handle assembly 3 in the embodiment comprises a handle 31, a rotating shaft 32, an unlocking piece one 33, an unlocking piece two 34, an unlocking piece hole 35 and a square hole 36, the handle 31 is welded with the rotating shaft 32, both ends of the rotating shaft 32 are welded with the unlocking piece one 33 and the unlocking piece two 34, and the unlocking piece one 33 and the unlocking piece two 34 are each provided with the unlocking piece hole 35 and the square hole 36.

[0023] The unlocking mechanism 14 in the embodiment comprises a fixed plate 141, an unlocking pressing plate 142, a spring piece 143, a rotating shaft 144, a rotating hole 145, a fixed hole 146, a spring hole 147 and a boss 149, one end of the spring piece 143 is fixed in the spring hole 147 of the fixed plate 141, the other end of the spring piece 143 is fixed on the unlocking piece one 33 in the handle assembly 3, and the spring piece 143 is used for resetting the handle 31.

[0024] The rotating shaft 144 in the embodiment is riveted and fixed through the rotating hole 145 and the fixed hole 146 in the spring piece 143 and the unlocking pressing plate 142.

[0025] The unlocking pressing plate 142 in the embodiment is movably connected with the fixed plate 141, that is, the unlocking pressing plate 142 is rotatable relative to the fixed plate 141.

[0026] The boss 149 in the embodiment matches the square hole 36 in the handle assembly 3, and the shaft head of the rotating shaft 144 is in rotational fit with the unlocking piece hole 35 in the handle assembly 3.

[0027] The lower slide rail assembly 11 in the embodiment is provided with a plurality of locking grooves 111, the lock assembly 12 is provided with a plurality of lock teeth 121, and the plurality of locking grooves 111 match the plurality of lock teeth 121.

[0028] The lock assembly 12 in the embodiment is further provided with a locking spring 122, one end of the locking spring 122 is connected with the lock assembly 12, and the other end of the locking spring 122 is connected with the upper slide rail assembly 13.

[0029] The pressing head 148 in the embodiment is in fit with the upper plane of the lock tooth 121 through the flat hole 131 in the upper slide rail assembly 13.

[0030] Working process: the handle 31 in the handle assembly 3 is unlocked, specifically: the handle 31 is pulled up, so that the unlocking sheet one 33 and the unlocking sheet two 34 rotate counterclockwise, drive the unlocking pressing plate 142 to act, the pressing head 148 drives the lock assembly 12 to rotate, so that the lock tooth 121 and the locking groove 111 are separated, the upper slide rail assembly 13 and the lower slide rail assembly 11 slide under the action of manpower, and the unlocking is completed. The locking spring 122 is reset.

[0031] Through the above description, those skilled in the art can implement it.

[0032] In addition, it should be noted that the specific embodiments described in the specification, the shape of the zero, the component, the name taken, etc. can be different, and the above description in the specification is only an example of the structure of the utility model. Any equivalent change or simple change made according to the structure, features and principles described in the utility model patent concept is included in the protection scope of the utility model patent. The person skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as it does not deviate from the structure of the utility model or exceed the range defined in the claims, which shall belong to the protection scope of the utility model.

Claims

1. A manual slide rail structure for a truck seat, comprising a handle assembly (3) and a left slide rail (1) and a right slide rail (2) symmetrically arranged, wherein each of the left slide rail (1) and the right slide rail (2) comprises a lower slide rail assembly (11), a locking assembly (12), an upper slide rail assembly (13), and an unlocking mechanism (14), wherein the locking assembly (12) passes through the upper slide rail assembly (13) and is fixed to the unlocking mechanism (14), and the upper slide rail assembly (13) and the lower slide rail assembly (11) are slidably engaged, characterized in that: The handle assembly (3) includes a handle (31), a rotating shaft (32), a first unlocking piece (33), a second unlocking piece (34), an unlocking piece hole (35), and a square hole (36). The handle (31) is welded to the rotating shaft (32). The two ends of the rotating shaft (32) are welded with the first unlocking piece (33) and the second unlocking piece (34). The first unlocking piece (33) and the second unlocking piece (34) are both provided with the unlocking piece hole (35) and the square hole (36). The unlocking mechanism (14) includes a fixing plate (141), an unlocking pressure plate (142), a spring (143), a rotating shaft (144), a rotating hole (145), a fixing hole (146), and a spring hole. (147) and boss (149), one end of spring (143) is fixed in spring hole (147) of fixed plate (141), the other end of spring (143) is fixed on unlocking piece (33) in handle assembly (3), rotating shaft (144) passes through spring (143), rotating hole (145) in unlocking pressure plate (142) and fixed hole (146) riveted and fixed, unlocking pressure plate (142) is movably connected to fixed plate (141); boss (149) matches square hole (36) in handle assembly (3), and shaft head of rotating shaft (144) rotates and engages with unlocking piece hole (35) in handle assembly (3).

2. The manual slide rail structure for a truck seat according to claim 1, characterized in that: It also includes multiple locking grooves (111) and multiple locking teeth (121). The lower rail assembly (11) is provided with multiple locking grooves (111), and the lock assembly (12) is provided with multiple locking teeth (121). The multiple locking grooves (111) match the multiple locking teeth (121).

3. The manual slide rail structure for a truck seat according to claim 1, characterized in that: It also includes a locking spring (122), and the locking assembly (12) is also provided with a locking spring (122). One end of the locking spring (122) is connected to the locking assembly (12), and the other end of the locking spring (122) is connected to the upper slide rail assembly (13).

4. The manual slide rail structure for a truck seat according to claim 2, characterized in that: The unlocking mechanism (14) also includes a pressure head (148), which passes through a flat hole (131) in the upper slide rail assembly (13) and engages with the upper surface of the locking teeth (121).

5. The manual slide rail structure for a truck seat according to claim 1, characterized in that: The left slide rail (1) also includes a front mounting foot (15), which is riveted to the lower slide rail assembly (11).

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