CN213768725U

CN213768725U - Folding trailer frame

Info

Publication number: CN213768725U
Application number: CN202022136330.7U
Authority: CN
Inventors: 芦晓芳
Original assignee: Qingdao Xiaofeng Special Purpose Vehicle Co ltd
Current assignee: Qingdao Xiaofeng Special Purpose Vehicle Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-07-23
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a foldable trailer frame relates to mobile unit, including crossbeam, frame and tripod, tripod and crossbeam fixed connection, the crossbeam both ends are rotated and are connected the corbel, sliding connection frame on the crossbeam, the perpendicular crossbeam setting of frame, establish the cavity in the frame, it sets up the extension rod to slide in the cavity, establish the regulating box between the frame, adjusting gear is established at the regulating box middle part, adjusting gear and L type rack meshing, the long limit of L type rack and frame fixed connection, the mount pad is established to the frame bottom, landing leg and gyro wheel are connected to the mount pad. The utility model discloses the interval and the length adjustment of frame, the landing leg is collapsible, reasonable in design, convenient to use, and strong adaptability saves the usage space.

Description

Folding trailer frame

Technical Field

The utility model relates to an on-vehicle equipment, especially a foldable trailer frame.

Background

The trailer is widely applied to the consignment of small cars and ATV motorcycles and the cargo transportation on farms and pastures as a cargo transportation tool. At present, the trailer is overall structure mostly, and self weight is heavy, and is bulky, can not adapt to the vehicle of different volumes, and adaptability is poor, and after unloading article, need occupy very big space and deposit the trailer, brings inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect that exists among the prior art, the utility model provides a foldable trailer frame.

The utility model provides a technical scheme that its technical problem adopted is: a foldable trailer frame comprises a cross beam, a frame and a tripod, wherein the right end of the tripod is provided with a traction hole, the tripod is fixedly connected with the cross beam, the two ends of the cross beam are rotatably connected with a supporting beam, the right end of the supporting beam is provided with a bolt, the cross beam is slidably connected with the frame, the frame is vertically arranged on the cross beam, a cavity is arranged in the frame, the left end of the frame is provided with a fixing part, the fixing part comprises a fixing rod, the fixing rod enters the cavity of the frame, a limiting ring is arranged on the fixing rod, a spring is arranged between the limiting ring and a mounting groove of the inner wall of the frame, an extension rod is slidably arranged in the cavity, one side of the extension rod, which is close to the fixing part, is provided with a limiting hole, the limiting hole is matched with the fixing rod, an adjusting box is arranged between the frames, the middle part of the adjusting box is provided with an adjusting gear, the adjusting gear is meshed with an L-shaped rack, the long edge of the L-shaped rack is fixedly connected with the frame, l type rack and regulating box slide to set up, the mount pad is established to the frame bottom, the landing leg is connected through the pivot to the mount pad, the gyro wheel is established to the landing leg end, calliper is established in the landing leg outside, calliper and frame fixed connection, the screw hole is established to the landing leg inboard, the screw rod is established at the landing leg middle part.

The frame is connected with the support beam in a sliding manner.

The diameter of the screw is matched with the calipers, and the screw is matched with the threaded hole.

The beneficial effects of the utility model are that, the utility model discloses when using, the strutbeam rotates with the crossbeam, fix the strutbeam on the crossbeam through the bolt, the frame slides on crossbeam and strutbeam, it makes L type rack relative slip in the regulating box to rotate adjusting gear, adjust the interval of frame, through adjusting the mounting, make the dead lever insert on the extension rod in different spacing holes, adjust the different length requirements of extension rod adaptation, screw rod and landing leg on the landing leg, threaded connection, when the landing leg is put down, the screw rod is fixed on calliper, when the landing leg is packed up, fix the screw rod in the screw hole, fold the landing leg, and reasonable design, high durability and convenient use, and high adaptability saves the usage space.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a bottom view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

fig. 5 is a partially enlarged view of fig. 2 at B.

In the figure, 1, a cross beam, 2, a frame, 3, a tripod, 4, a traction hole, 5, a support beam, 6, a bolt, 7, a cavity, 8, a fixing piece, 81, a fixing rod, 82, a limiting ring, 83, an installation groove, 84, a spring, 9, an extension rod, 10, a limiting hole, 11, an adjusting box, 12, an adjusting gear, 13, an L-shaped rack, 14, an installation seat, 15, a rotating shaft, 16, a support leg, 17, a roller, 18, a caliper, 19, a threaded hole and 20 are arranged in a threaded manner.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following provides a further description of the present invention with reference to the accompanying drawings, and obviously, the following described drawings are only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without any creative work, and all belong to the protection scope of the present invention.

A foldable trailer frame comprises a cross beam 1, a frame 2 and a tripod 3, wherein a traction hole 4 is arranged at the right end of the tripod 3, the tripod 3 is fixedly connected with the cross beam 1, two ends of the cross beam 1 are rotatably connected with a supporting beam 5, a bolt 6 is arranged at the right end of the supporting beam 5, the cross beam 1 is slidably connected with the frame 2, the frame 2 is arranged perpendicular to the cross beam 1, a cavity 7 is arranged in the frame 2, a fixing part 8 is arranged at the left end of the frame 2, the fixing part 8 comprises a fixing rod 81, the fixing rod 81 enters the cavity 7 of the frame 2, a limiting ring 82 is arranged on the fixing rod 81, a spring 84 is arranged between the limiting ring 82 and an inner wall mounting groove 83 of the frame 2, an extension rod 9 is slidably arranged in the cavity 7, a limiting hole 10 is arranged on one side, close to the fixing part 8, of the extension rod 9, the limiting hole 10 is matched with the fixing rod 81, an adjusting box 11 is arranged between the frame 2, adjusting gear 12 is established at 11 middle parts of regulating box, adjusting gear 12 meshes with L type rack 13, the long limit of

L type rack

13 and 2 fixed connection of frame, L type rack 13 slides with regulating box 11 and sets up, mount pad 14 is established to 2 bottoms of frame, mount pad 14 connects landing leg 16 through pivot 15, gyro wheel 17 is established to 16 ends of landing leg, calliper 18 is established in the 16 outside of landing leg,

calliper

18 and 2 fixed connection of frame, screw hole 19 is established to 16 inboards of landing leg, screw rod 20 is established at the 16 middle parts of landing leg.

In detail, the frame 2 is slidably connected with the support beam 5, the diameter of the screw 20 is matched with that of the caliper 18, and the screw 20 is matched with the threaded hole 19.

When the adjustable support frame is used, the support beam 5 and the cross beam 1 rotate, the support beam 5 is fixed on the cross beam 1 through the bolt 6, the frame 2 slides on the cross beam 1 and the support beam 5, the adjusting gear 12 is rotated to enable the L-shaped rack 13 to relatively slide in the adjusting box 11, the distance between the frame 2 is adjusted, the fixing rod 81 is inserted into different limiting holes 10 in the extension rod 9 through the adjusting fixing piece 8, the extension rod 9 is adjusted to meet different length requirements, the screw rod 20 and the support leg 16 are in threaded connection on the support leg 16, when the support leg 16 is put down, the screw rod 20 is fixed on the caliper 18, when the support leg 16 is folded, the screw rod 20 is fixed in the threaded hole 19, and the support leg 16 is folded.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a foldable trailer frame, includes crossbeam (1), frame (2) and tripod (3), its characterized in that: the device is characterized in that a traction hole (4) is formed in the right end of the tripod (3), the tripod (3) is fixedly connected with the cross beam (1), the two ends of the cross beam (1) are rotatably connected with the supporting beam (5), the right end of the supporting beam (5) is provided with a bolt (6), the cross beam (1) is slidably connected with the frame (2), the frame (2) is perpendicular to the cross beam (1), a cavity (7) is formed in the frame (2), a fixing part (8) is arranged at the left end of the frame (2), the fixing part (8) comprises a fixing rod (81), the fixing rod (81) enters the cavity (7) of the frame (2), a limiting ring (82) is arranged on the fixing rod (81), a spring (84) is arranged between the limiting ring (82) and an inner wall mounting groove (83) of the frame (2), an extension rod (9) is slidably arranged in the cavity (7), and a limiting hole (10) is formed in one side, which is close to the frame (8), on the extension rod (9), spacing hole (10) and dead lever (81) match, establish regulating box (11) between frame (2), regulating box (11) middle part is established adjusting gear (12), adjusting gear (12) and L type rack (13) meshing, L type rack (13) long limit and frame (2) fixed connection, L type rack (13) slide with regulating box (11) and set up, mount pad (14) are established to frame (2) bottom, landing leg (16) are connected through pivot (15) mount pad (14), gyro wheel (17) are established to landing leg (16) end, calliper (18) are established in landing leg (16) outside, calliper (18) and frame (2) fixed connection, screw hole (19) are established to landing leg (16) inboard, screw rod (20) are established at landing leg (16) middle part.

2. A folding trailer frame according to claim 1, characterised in that said frame (2) is slidably connected to a corbel (5).

3. A folding trailer frame according to claim 1, characterised in that said threaded rod (20) is of a diameter matching the caliper (18), said threaded rod (20) matching the threaded hole (19).