Luggage fixing device of luggage trailer

Abstract

A luggage fixing device of a luggage trailer comprises a plurality of lock catch mechanisms and lock hook mechanisms which are arranged at the top of a trailer body, and each lock catch mechanism comprises a fixed seat welded to the trailer body, a movable block matched with the fixed seat and a limiting part arranged on the movable block; the fixing seat comprises a front plate, a rear plate and side plates arranged on the two sides, the front plate, the rear plate and the side plates define an inserting groove with an upward opening, a first limiting pin penetrating through the inserting groove is arranged between the front plate and the rear plate, a limiting groove is formed in the upper end of the front plate, the lower end of the movable block can be inserted into the inserting groove, and a long hole allowing the first limiting pin to penetrate through is formed in the movable block. A second limiting pin matched with the limiting groove is arranged on one side of the movable block, and the limiting part is arranged at the upper end of the movable block. The lock catch mechanism and the lock hook mechanism are used for fixing the luggage frame, the luggage frame is used for loading luggage, the luggage frames of different sizes can be placed on the trailer according to needs, and the luggage frames of different sizes can be selected according to the number of the luggage, so that the luggage in the luggage frame can be better placed and arranged.

Description

Technical Field

[0001] The utility model relates to the field of logistics and transportation, in particular to a luggage fixing device for a luggage trailer. Background Art

[0002] Air transport is a mode of transport that uses airplanes, helicopters and other aircraft to transport people, goods and mail. It is fast and maneuverable, and luggage trolleys are often used in air transport to check in luggage. For example, a bulk luggage trailer for an airport with Chinese patent publication number CN211618129U includes a base, side baffles are fixedly installed on the left and right sides of the top of the base, side frames are fixedly installed on the opposite sides of the side baffles on the left and right sides, and reinforcement blocks are fixedly installed on the outer surfaces of the side baffles and side frames. Three hinges are fixedly installed on the front of the base. The trailer fixes the luggage on the trailer through the side baffles. When the trailer makes a sharp turn or accelerates or decelerates, the luggage will still move in the restricted space surrounded by the side baffles, so the luggage is easy to collide with the side baffles; in addition, the side baffles form an integrated structure with the trailer body, which is inconvenient to load and unload goods. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a luggage fixing device for a luggage trailer, on which luggage frames of different sizes can be fixed and selected according to needs; and the side baffles of the trailer are removed to facilitate loading and unloading of goods.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a luggage fixing device for a luggage trailer, the luggage trailer comprises a body, a traction arm arranged at the front end of the body, a wheel arranged at the bottom of the body and a brake device for braking the wheel; the luggage fixing device comprises a plurality of locking mechanisms and locking hook mechanisms arranged at the top of the body, the locking mechanism comprises a fixing seat welded on the body, a movable block matched with the fixing seat and a limiting portion arranged on the movable block; the fixing seat comprises a front plate, a rear plate and side plates arranged on both sides, the front plate, the rear plate and the side plates form a slot opening upward, a first limiting pin passing through the slot is arranged between the front plate and the rear plate, a limiting groove is arranged at the upper end of the front plate, the lower end of the movable block can be inserted into the slot, an elongated hole for the first limiting pin to pass through is arranged on the movable block, a second limiting pin matched with the limiting groove is arranged on one side of the movable block, and the limiting portion is arranged at the upper end of the movable block. The principle of the utility model is as follows: the locking mechanism and the locking hook mechanism are used to fix the luggage frame, the luggage frame is used to load the luggage, and luggage frames of different sizes can be placed on the trailer according to the needs, and luggage frames of different sizes can be selected according to the number of luggage, so that the luggage in the luggage frame can be better placed and arranged; the fixed side baffles on the vehicle body are removed to facilitate the luggage frame to get on and off the trailer.

[0005] As an improvement, the limiting portion includes a head cover and a limiting block arranged on the head cover, and the head cover is sleeved on the movable block and locked by bolts.

[0006] As an improvement, the lock hook mechanism includes a lock hook pivoted on the vehicle body and a transmission rod driving the lock hook to rotate, the lock hook is L-shaped, one end of the lock hook is pivoted on the vehicle body through a pivot seat, one end of the transmission rod passes through the pivot seat and is connected to one end of the lock hook, and the other end of the transmission rod extends to the rear end of the vehicle body.

[0007] As an improvement, the traction arm is hinged to the hinge seat at the front end of the vehicle body through a rotating shaft, and the braking device includes a brake rod arranged at the bottom of the vehicle body and slidingly cooperates with the vehicle body, brake blocks cooperating with the wheels are arranged at both ends of the brake rod, a connecting rod mechanism is arranged between the rotating shaft and the brake rod, and a return spring is arranged between the brake rod and the vehicle body.

[0008] Compared with the prior art, the utility model has the following beneficial effects:

[0009] The locking mechanism and the locking hook mechanism are used to fix the luggage frame, and the luggage frame is used to load luggage. Luggage frames of different sizes can be placed on the trailer as needed, and luggage frames of different sizes can be selected according to the number of luggage, so that the luggage in the luggage frame can be better placed and arranged; the fixed side baffles on the vehicle body are removed to facilitate the luggage frame to get on and off the trailer. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a three-dimensional diagram of a luggage trailer.

[0011] Figure 2 Bottom view of the luggage trailer.

[0012] Figure 3 Schematic diagram of the locking mechanism.

[0013] Figure 4 Schematic diagram of the locking hook mechanism.

[0014] Figure 5 This is a schematic diagram of the luggage frame and trailer. DETAILED DESCRIPTION

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] like Figure 1 , 2 As shown, a luggage trailer comprises a body 1, wheels 7 arranged at the bottom of the body 1, a traction arm 2 arranged at the front end of the body 1, a luggage fixing device arranged on the body 1 for fixing a luggage frame 9, and a brake device 3 arranged on the body 1.

[0017] like Figure 1 , 2As shown, the vehicle body 1 comprises a closed outer frame 11, a plurality of longitudinal beams 12 arranged in the outer frame 11, a plurality of cross beams 13 arranged in the outer frame 11 above the longitudinal beams 12, a plurality of cross bars 14 arranged in the outer frame 11 above the longitudinal beams 12, and a bottom beam 15 arranged at the bottom of the outer frame 11; the cross beams 13, cross bars 14 and bottom beams 15 are arranged parallel to each other and perpendicular to the longitudinal beams 12, and the criss-cross beam structure increases the structural strength of the vehicle body 1; the outer frame 11 is formed by end-to-end welding of channel steel, and a groove is formed on the inner side of the outer frame 11, and the ends of the cross beams 13, cross bars 14 and longitudinal beams 12 are welded in the groove. The outer side of the channel steel is flat to reduce scratches on luggage, and the groove inside the channel steel can increase the welding area and also play a supporting role; the vehicle body 1 structure is welded by steel components, and its structural strength is high and its load-bearing capacity is strong. A plurality of universal rollers 5 are provided on the top surface of the cross bar 14, and the universal rollers 5 are arranged along the length direction of the cross bar 14. The universal rollers 5 on adjacent cross bars 14 are staggered. Rollers 6 are provided on the left and right sides and the rear end of the outer frame 11. A plurality of universal rollers 5 are arranged on the top of the vehicle body 1 to facilitate the luggage frame 9 to quickly enter the vehicle body 1 and move its position in all directions on the vehicle body 1. Rollers 6 are arranged around the vehicle body 1, and the rolling direction of the rollers 6 enables the luggage frame 9 to easily get on and off the vehicle body 1.

[0018] like Figure 1 , 2 As shown, the traction arm 2 is hinged to the hinge seat at the front end of the vehicle body 1 through the rotating shaft 21, and the traction arm 2 can rotate up and down; the brake device 3 includes a brake rod 32 arranged at the bottom of the vehicle body 1 and slidably matched with the vehicle body 1, the brake rod 32 is arranged parallel to the cross bar 14, and the bottom of the vehicle body 1 is provided with a slide groove 35 surrounded by a limit plate, the brake rod 32 passes through the slide groove 35 and slides back and forth in the slide groove 35, and brake blocks 33 matched with the rear wheels of the vehicle are arranged at both ends of the brake rod 32, a connecting rod mechanism 31 is provided between the rotating shaft 21 and the brake rod 32, and a return spring 34 is provided between the brake rod 32 and the inner side of the outer frame 11; when the traction arm 2 is flipped upward, the traction arm 2 drives the brake rod 32 to move forward through the connecting rod mechanism 31, so that the brake block 33 on the brake rod 32 can act on the rear wheel of the vehicle to achieve braking, and when the traction arm 2 is flipped downward, the brake rod 32 moves backward to release the brake, and the vehicle body 1 walks through the traction force of the traction arm 2.

[0019] like Figure 3As shown, the luggage fixing device includes a plurality of locking mechanisms 4 and locking hook mechanisms 8 arranged on the top of the vehicle body 1. The locking mechanism 4 includes a fixing seat welded on the vehicle body 1, a movable block 48 matched with the fixing seat, and a limiting portion 47 arranged on the movable block 48; the fixing seat includes a front plate 41, a rear plate 42 and side plates 43 arranged on both sides, the front plate 41, the rear plate 42 and the side plates 43 surround a slot opening upward, a first limiting pin 44 passing through the slot is arranged between the front plate 41 and the rear plate 42, and a limiting groove 45 is arranged at the upper end of the front plate 41; the lower end of the movable block 48 can be inserted into the slot, the movable block 48 is provided with an elongated hole for the first limiting pin 44 to pass through, a second limiting pin 46 matched with the limiting groove 45 is arranged on one side of the movable block 48, and the limiting portion 47 is arranged at the upper end of the movable block 48; when the movable block 48 is vertically inserted into the slot, the movable block 48 The second limit pin 46 on the movable block is in the limit groove 45. Under the action of the limit groove 45, the movable block 48 cannot be turned over and tilted, so that the limit part 47 at the upper end of the movable block 48 can limit and fix the luggage frame 9; when the movable block 48 needs to be laid down, first lift the movable block 48 upward so that the second limit pin 46 on the movable block leaves the limit groove 45, and the lower end of the movable block 48 is higher than the upper end of the side plate 43, and then rotate the movable block 48 to one side so that the movable block 48 is turned over and laid down around the first limit pin 44. The laid-down movable block 48 is lower than the universal roller 5 and the drum 6, so that the luggage frame 9 can slide smoothly onto the vehicle body 1; the limit part 47 includes a head cover and a limit block provided on the head cover, the head cover is covered on the movable block 48 and locked by bolts, and the limit part 47 is replaceable. Figure 4 As shown, the lock hook mechanism 8 includes a lock hook 82 pivoted on the vehicle body 1 and a transmission rod 83 driving the lock hook 82 to rotate, the lock hook 82 is L-shaped, one end of the lock hook 82 is pivoted on the vehicle body 1 through a pivot seat 81, one end of the transmission rod 83 passes through the pivot seat 81 and is connected to one end of the lock hook 82, the other end of the transmission rod 83 extends to the rear end of the vehicle body 1, the transmission rod 83 is tightly attached to the top surface of the vehicle body 1 through a limiting sleeve, the tail of the transmission rod 83 is L-shaped, which is convenient for manual rotation of the transmission rod 83, the transmission rod 83 drives the lock hook 82 to rotate, and the lock hook 82 can lock the luggage frame 9.

Claims

1. A luggage fixing device for a luggage trailer, the luggage trailer comprising a body, a traction arm arranged at the front end of the body, wheels arranged at the bottom of the body and a brake device for braking the wheels; characterized in that: The luggage fixing device comprises a plurality of locking mechanisms and locking hook mechanisms arranged on the top of the vehicle body, the locking mechanism comprises a fixing seat welded on the vehicle body, a movable block matched with the fixing seat and a limiting portion arranged on the movable block; the fixing seat comprises a front plate, a rear plate and side plates arranged on both sides, the front plate, the rear plate and the side plates form a slot opening upward, a first limiting pin passing through the slot is arranged between the front plate and the rear plate, a limiting groove is arranged at the upper end of the front plate, the lower end of the movable block can be inserted into the slot, an elongated hole for the first limiting pin to pass through is arranged on the movable block, a second limiting pin matched with the limiting groove is arranged on one side of the movable block, and the limiting portion is arranged at the upper end of the movable block.

2. The luggage fixing device for a luggage trailer according to claim 1, characterized in that: The limiting part comprises a head cover and a limiting block arranged on the head cover, and the head cover is sleeved on the movable block and is locked by bolts.

3. The luggage fixing device for a luggage trailer according to claim 1, characterized in that: The lock hook mechanism includes a lock hook pivoted on the vehicle body and a transmission rod driving the lock hook to rotate, the lock hook is L-shaped, one end of the lock hook is pivoted on the vehicle body through a pivot seat, one end of the transmission rod passes through the pivot seat and is connected to one end of the lock hook, and the other end of the transmission rod extends to the rear end of the vehicle body.

4. The luggage fixing device for a luggage trailer according to claim 1, characterized in that: The traction arm is hinged to the hinge seat at the front end of the vehicle body through a rotating shaft. The brake device includes a brake rod arranged at the bottom of the vehicle body and slidingly matched with the vehicle body. A brake block is provided to match the wheel, and a connecting rod mechanism is provided between the rotating shaft and the brake lever. A return spring is arranged between the brake lever and the vehicle body.

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