Single-locking seat sliding rail of engineering truck

Abstract

The utility model provides an engineering truck single-locking seat slide rail which comprises a first slide rail and a second slide rail, the first slide rail is connected with the second slide rail in a sliding mode, two side edges of the first slide rail are provided with bends, two side edges of the second slide rail are provided with bends matched with the side edges of the first slide rail, the bends of the first slide rail are provided with a plurality of first slide grooves, and the bends of the second slide rail are provided with a plurality of second slide grooves. A plurality of second sliding grooves are formed in a bend of the second sliding rail, a first opening is formed in the second sliding rail, a locking mechanism is arranged in the first opening and comprises a locking main plate, a plurality of locking rods and a pushing assembly, and the locking main plate is fixedly connected to the second sliding rail. According to the scheme, the mode that the pushing assembly drives the rotating assembly to rotate, the rotating assembly drives the locking rod to slide relative to the first sliding groove and the second sliding groove, and the rotating assembly is reset through the torsional spring between the second sliding block and the rotating rod is arranged in the first opening; operators can unlock and lock the sliding rail only through one step, and therefore the purpose of improving the locking efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of slide rail equipment, in particular to a single-locking seat slide rail for an engineering vehicle. Background Art

[0002] The single locking seat slide for engineering vehicles is a mechanical device used for car seats, which is mainly used to adjust the position of the seats so that passengers can adjust the seat position according to their needs and improve riding comfort.

[0003] For example, a Chinese patent discloses "a single-side locking and unlocking type automobile seat slide" (patent number: CN110091771A). This patent includes driving the lock card to move in the left and right directions to control whether the lock card's teeth are simultaneously inserted into the upper slide rail hole of the upper slide rail and the lower slide rail hole of the lower slide rail, or only inserted into the upper slide rail hole of the upper slide rail and separated from the lower slide rail hole of the lower slide rail, so as to achieve the locking and unlocking of the guide rail. This locking method is firm and reliable, and this locking and unlocking method belongs to a horizontal plug-in lock structure, which can avoid the problem of the risk of locking failure due to the easy up and down movement of the vertical plug-in lock structure. The above patent has the advantages of firm locking, high reliability, low risk of locking failure, flexible and smooth unlocking and locking with low noise.

[0004] However, in the above locking process, since two steps of unlocking and locking are required and the locking holes are difficult to align, the locking efficiency is low. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a single-locking seat slide rail for an engineering vehicle, which solves the problems raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a single-locking seat slide for an engineering vehicle, comprising a first slide rail and a second slide rail, the first slide rail being slidably connected to the second slide rail, characterized in that: the first slide rail is provided with bends on both sides, and the second slide rail is provided with bends on both sides that are adapted to the sides of the first slide rail, a plurality of first slide grooves are provided on the bend of the first slide rail, a plurality of second slide grooves are provided on the bend of the second slide rail, a first opening is provided on the second slide rail, a locking mechanism is provided in the first opening, and the locking mechanism comprises a locking main board, a plurality of locking rods and a pushing assembly, the locking main board is fixedly connected to the second slide rail, the pushing assembly is slidably connected to the locking main board, the pushing assembly is rotatably connected to a rotating assembly, and the locking rod is fixedly connected to the rotating assembly.

[0009] Preferably, the pushing assembly includes a first slider, a second slider and a first pull rod, one end of the first pull rod is fixedly connected to the first slider, the other end of the first pull rod is fixedly connected to a pull rod base, a third slide groove is provided on the locking main board, the second slider is slidably connected to the third slide groove, the second slider is fixedly connected to the first slider, and the second slider is rotatably connected to the rotating assembly.

[0010] Preferably, the rotating assembly includes a rotating rod and a limiting main rod, one end of the rotating rod is rotatably connected to the second slider, the other end of the rotating rod is rotatably connected to the limiting main rod, the limiting main rod is fixedly connected to the locking rod, and a torsion spring is arranged between the second slider and the rotating rod.

[0011] Preferably, a slot is formed on the first sliding block, and the shape and size of the slot are matched with the shape and size of the locking main board.

[0012] Preferably, the length of the first pull rod is greater than the length of the third sliding groove.

[0013] Preferably, a limiting plate is fixedly connected to the first slide rail, and the limiting plate is embedded between the first slide rail and the second slide rail.

[0014] Preferably, the locking rod is slidably connected to the second sliding groove, and the locking rod is slidably connected to the first sliding groove, and the shape and size of the locking rod are respectively adapted to the shape and size of the first sliding groove and the second sliding groove.

[0015] (III) Beneficial effects

[0016] The utility model provides a single locking seat slide rail for an engineering vehicle, which has the following beneficial effects:

[0017] 1. In this solution, a push assembly is arranged in the first opening to drive the rotating assembly to rotate, the rotating assembly drives the locking rod to slide relative to the first slide groove and the second slide groove, and the rotating assembly is reset by a torsion spring between the second slider and the rotating rod, so that the operator only needs to unlock and lock the slide rail in one step, thereby achieving the purpose of improving the locking efficiency.

[0018] 2. This solution ensures that the first slide groove and the second slide groove are at the same level by setting a first slide groove and a second slide groove, and setting a limit plate between the first slide rail and the second slide rail, so as to facilitate the alignment of the locking holes and improve the locking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2It is a structural schematic diagram of the second slide rail in the utility model;

[0021] Figure 3 It is a structural schematic diagram of the locking mechanism in the utility model.

[0022] In the figure: 11, first slide rail; 12, first slide groove; 13, limit plate; 14, second slide rail; 15, first opening; 16, second slide groove; 17, locking main board; 18, third slide groove; 20, first slider; 21, second slider; 22, rotating rod; 23, limit main rod; 24, locking rod; 25, first pull rod; 26, pull rod base. DETAILED DESCRIPTION

[0023] The utility model embodiment provides a single locking seat slide rail for an engineering vehicle, such as Figure 1-3 As shown, it includes a first slide rail 11, a first slide groove 12, a limit plate 13, a second slide rail 14, a first opening 15, a second slide groove 16, a locking main board 17, a third slide groove 18, a first slider 20, a second slider 21, a rotating rod 22, a limit main rod 23, a locking rod 24, a first pull rod 25, and a pull rod base 26.

[0024] like Figure 1-3 As shown, the first slide rail 11 is provided with bends on both sides, and the second slide rail 14 is provided with bends adapted to the sides of the first slide rail 11 on both sides. A plurality of first slide grooves 12 are opened on the bend of the first slide rail 11, and a plurality of second slide grooves 16 are opened on the bend of the second slide rail 14. A first opening 15 is opened on the second slide rail 14, and a locking mechanism is arranged in the first opening 15. The locking mechanism includes a locking main board 17, a plurality of locking rods 24 and a pushing assembly. The locking main board 17 is fixedly connected to the second slide rail 14, and the pushing assembly is slidably connected to the locking main board 17. The pushing assembly is rotatably connected to a rotating assembly, and the locking rod 24 is fixedly connected to the rotating assembly.

[0025] It is worth noting that the locking rod 24 is slidably connected to the second slide groove 16, and the locking rod 24 is slidably connected to the first slide groove 12. The shape and size of the locking rod 24 are respectively adapted to the shape and size of the first slide groove 12 and the second slide groove 16. A limiting plate 13 is fixedly connected to the first slide rail 11. The limiting plate 13 is embedded between the bottom surface of the first slide rail 11 and the bent bottom end of the second slide rail 14. The limiting plate 13 is an arc-shaped elastic bent plate. The limiting plate 13 ensures the relative stillness between the first slide rail 11 and the second slide rail 14 in the vertical direction.

[0026] The pushing assembly includes a first slider 20, a second slider 21 and a first pull rod 25. One end of the first pull rod 25 is fixedly connected to the first slider 20, and the other end of the first pull rod 25 is fixedly connected to a pull rod base 26. A third slide groove 18 is provided on the locking main board 17, and the second slider 21 is slidably connected to the third slide groove 18. The second slider 21 is fixedly connected to the first slider 20, and the second slider 21 is rotatably connected to the rotating assembly.

[0027] The first sliding block 20 is provided with a slot, the shape and size of the slot are adapted to the shape and size of the locking main board 17 , and the length of the first pull rod 25 is greater than the length of the third sliding groove 18 .

[0028] The rotating assembly includes a rotating rod 22 and a limiting main rod 23. One end of the rotating rod 22 is rotatably connected to the second slider 21, and the other end of the rotating rod 22 is rotatably connected to the limiting main rod 23. The limiting main rod 23 is fixedly connected to the locking rod 24. A torsion spring is arranged between the second slider 21 and the rotating rod 22.

[0029] When the present scheme is locked, first, pull the pull rod base 26 upwards, the pull rod base 26 drives the first slider 20 and the locking main board 17 to slide relative to each other through the first pull rod 25, the first slider 20 drives the second slider 21 to slide upwards along the third slide groove 18, the rotating rod 22 rotates relative to the second slider 21, and compresses the torsion spring between the second slider 21 and the rotating rod 22, the rotating rod 22 pulls the locking rod 24 through the limiting main rod 23 to make the locking rod 24 slide in the direction away from the first slide groove 12, and the unlocking is completed.

[0030] Then, push the second slide rail 14 to make it slide to the specified position relative to the first slide rail 11, and release the pull rod base 26. Finally, the torsion spring generates elastic force on the rotating rod 22, so that the rotating rod 22 rotates toward the direction close to the first slide groove 12. The rotating rod 22 drives the locking rod 24 to slide toward the direction close to the first slide groove 12 through the limiting main rod 23, thereby completing the locking.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A single-locking seat slide rail for an engineering vehicle, comprising a first slide rail (11) and a second slide rail (14), wherein the first slide rail (11) and the second slide rail (14) are slidably connected, and characterized in that: The first slide rail (11) is provided with bends on both sides, and the second slide rail (14) is provided with bends adapted to the side of the first slide rail (11). The bend of the first slide rail (11) is provided with a plurality of first slide grooves (12), and the bend of the second slide rail (14) is provided with a plurality of second slide grooves (16). The second slide rail (14) is provided with a first opening (15), and a locking mechanism is provided in the first opening (15). The locking mechanism comprises a locking main board (17), a plurality of locking rods (24) and a pushing assembly. The locking main board (17) is fixedly connected to the second slide rail (14), and the pushing assembly is slidably connected to the locking main board (17). The pushing assembly is rotatably connected to a rotating assembly, and the locking rod (24) is fixedly connected to the rotating assembly.

2. The single-locking seat slide rail for an engineering vehicle according to claim 1, characterized in that: The pushing assembly comprises a first slider (20), a second slider (21) and a first pull rod (25), one end of the first pull rod (25) is fixedly connected to the first slider (20), the other end of the first pull rod (25) is fixedly connected to a pull rod base (26), a third slide groove (18) is provided on the locking main board (17), the second slider (21) is slidably connected to the third slide groove (18), the second slider (21) is fixedly connected to the first slider (20), and the second slider (21) is rotatably connected to the rotating assembly.

3. The single-locking seat slide rail for an engineering vehicle according to claim 2, characterized in that: The rotating assembly comprises a rotating rod (22) and a limiting main rod (23), one end of the rotating rod (22) is rotatably connected to the second slider (21), the other end of the rotating rod (22) is rotatably connected to the limiting main rod (23), the limiting main rod (23) is fixedly connected to the locking rod (24), and a torsion spring is provided between the second slider (21) and the rotating rod (22).

4. The single-locking seat slide rail for an engineering vehicle according to claim 2, characterized in that: The first sliding block (20) is provided with a slot, and the shape and size of the slot are adapted to the shape and size of the locking main board (17).

5. The single-locking seat slide rail for an engineering vehicle according to claim 2, characterized in that: The length of the first pull rod (25) is greater than the length of the third sliding groove (18).

6. The single-locking seat slide rail for an engineering vehicle according to claim 1, characterized in that: A limiting plate (13) is fixedly connected to the first slide rail (11), and the limiting plate (13) is embedded between the first slide rail (11) and the second slide rail (14).

7. The single-locking seat slide rail for an engineering vehicle according to claim 1, characterized in that: The locking rod (24) is slidably connected to the second slide groove (16), and the locking rod (24) is slidably connected to the first slide groove (12). The shape and size of the locking rod (24) are respectively adapted to the shape and size of the first slide groove (12) and the second slide groove (16).

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