Improved draw-bar box structure

Abstract

The utility model relates to the technical field of draw-bar boxes, in particular to an improved draw-bar box structure, which is characterized in that a first handle is mounted on the front side of a box body, a second handle is mounted at the upper end of the box body, and a plurality of self-locking universal wheels are mounted at four corners of the bottom of the box body. According to the improved draw-bar box structure, through cooperation of a bent plate and a fixing mechanism, a rotating handle rotates to drive a rotating rod to rotate so as to drive two worms to rotate, the worms rotate to drive worm gears to rotate so as to drive the rotating rod to rotate, the rotating rod rotates to drive a cylinder to slide along a sliding groove machined in a push plate, and therefore the push plate is driven to synchronously move inwards; and when the inner sides of the push plates abut against the inner walls of the grooves machined in the vertical rods, rotation of the rotating handles is stopped, and therefore the vertical rods are fixed to the inner sides of the bent plates, so that when the vertical rods are installed, only one rotating handle needs to be rotated by an operator, the two push plates can be controlled to move synchronously, compared with the mode that the operator rotates a plurality of screws, the needed time is shorter, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field, concretely is a kind of improved trolley case structure. BACKGROUND

[0002] Trolley case refers to the luggage with trolley and gyro wheel. Because it is convenient to use, it is widely used. At the same time, trolley case is also divided into single tube trolley and double tube trolley because of the trolley on the box, and the tube of trolley is also divided into square tube and round tube, to drag when walking, greatly reduce the burden.

[0003] For example, the rear trolley case structure with the announcement number "CN221330465U", the trolley assembly forms an accessory independent of the trolley case body, is installed on the back of the trolley case body, realizes no longer occupying the internal space of the trolley case body, so as to ensure that the space utilization rate of the trolley case body inside is higher;The outer tube of trolley assembly, fixing piece is respectively installed and fixed on the back, bottom of trolley case body, realizes the fixation in two directions, installs more firmly, and when trolley assembly is stressed, can disperse force to multiple directions of trolley case body, improve the structural stability of trolley case as a whole, ensure strength and service life. However, the rear trolley case structure, when trolley assembly is installed, the operator needs to rotate multiple screws, needs to consume long time to install trolley assembly well, thereby reduce work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem that trolley assembly needs operator to rotate multiple screws when installing, needs to consume long time to install trolley assembly well, thereby reduce work efficiency, and provides a kind of improved trolley case structure.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] Design an improved trolley case structure, including box and bent plate, the left side of the box is fixedly connected with bent plate, the inside of bent plate is equipped with fixed mechanism, the left side of bent plate is slidably connected with vertical rod, the inside of vertical rod is slidably connected with trolley, the front side of box is installed with first handle, the upper end of box is installed with second handle, the bottom of box is installed with multiple self-locking universal wheels in four corners.

[0007] Preferably, the fixed mechanism includes a handle and a block, the end of the handle is fixedly connected with a rod, the rod is rotatably connected with the bent plate through bearings at both ends, the outer wall of the rod is fixedly connected with the inner wall of two worms, the worms are meshed with the worm gears, the lower ends of the worm gear shafts are rotatably connected with the bent plate through bearings, the upper ends of the worm gear shafts are fixedly connected with the rods, the left sides of the rods are fixedly connected with cylinders, the outer walls of the cylinders are slidably connected with push plates, and the push plates are slidably connected with the bent plate.

[0008] Preferably, the lower end of the clamping block is fixedly connected with the vertical rod.

[0009] Preferably, the outer wall of the clamping block is slidingly connected with the box body.

[0010] Preferably, the push plate is slidingly connected with the inner wall of the vertical rod, and the rotation directions of the two worms are opposite.

[0011] The improved pull rod box structure has the beneficial effects that: through cooperation of the bent plate and the fixing mechanism, the rotation of the handle drives the rotation of the rotating rod, thereby driving the rotation of the two worms, the rotation of the worms drives the rotation of the worm gears, thereby driving the rotation of the rotating rod, the rotation of the rotating rod drives the sliding of the cylinder along the sliding groove machined on the push plate, thereby driving the synchronous inward movement of the push plate, when the inner side of the push plate abuts against the inner wall of the groove machined on the vertical rod, the handle is stopped from rotating, thereby fixing the vertical rod inside the bent plate, so that when the vertical rod is installed, only one handle needs to be rotated by the operator, and the two push plates can be controlled to move synchronously, compared with rotating multiple screws by the operator, the time required is shorter, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a left view of Figure 1 ;

[0014] Figure 3 It is a left sectional view of Figure 1 ;

[0015] Figure 4 It is a partial front sectional view of Figure 2 ;

[0016] Figure 5 It is a partial top sectional view of Figure 2 ;

[0017] Figure 6 It is a partial enlarged schematic view of A of Figure 5 ;

[0018] In the figure: 1, box body, 2, first handle, 3, second handle, 4, self-locking universal wheel, 5, bent plate, 6, vertical rod, 7, pull rod, 8, fixing mechanism, 801, handle, 802, rotating rod, 803, worm, 804, worm gear, 805, rotating rod, 806, cylinder, 807, push plate, 808, clamping block. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] Refer to the attached Figures 1-6In this embodiment, including the box 1 and the bent plate 5, the left side of the box 1 is fixedly connected with the bent plate 5, the inside of the bent plate 5 is equipped with the fixing mechanism 8, the left side of the bent plate 5 is slidably connected with the vertical rod 6, the inside of the vertical rod 6 is slidably connected with the pull rod 7, the front side of the box 1 is installed with the first handle 2, the upper end of the box 1 is installed with the second handle 3, and the bottom of the box 1 is installed with a plurality of self-locking universal wheels 4.

[0021] The fixing mechanism 8 comprises a handle 801 and a clamping block 808, the end of the handle 801 is fixedly connected with a rotating rod 802, the rotating rod 802 is rotatably connected with the bent plate 5 through bearings at both ends, the outer wall of the rotating rod 802 is fixedly connected with the inner walls of two worms 803, the worms 803 are engaged with worm gears 804, the lower ends of the transmission shafts of the worm gears 804 are rotatably connected with the bent plate 5 through bearings, the upper ends of the transmission shafts of the worm gears 804 are fixedly connected with rotating rods 805, the left sides of the rotating rods 805 are fixedly connected with cylinders 806, the outer walls of the cylinders 806 are slidably connected with push plates 807, the push plates 807 are slidably connected with the bent plate 5, the rotation of the handle 801 drives the rotating rod 802 to rotate, thereby driving the two worms 803 to rotate, the rotation of the worms 803 drives the worm gears 804 to rotate, thereby driving the rotating rods 805 to rotate, the rotation of the rotating rods 805 drives the cylinders 806 to slide along the sliding grooves formed on the push plates 807, thereby driving the push plates 807 to move.

[0022] The lower end of the clamping block 808 is fixedly connected with the vertical rod 6, the outer wall of the clamping block 808 is slidably connected with the box 1, the inner wall of the push plate 807 is slidably connected with the vertical rod 6, and the rotation directions of the two worms 803 are opposite.

[0023] Working principle:

[0024] When using the improved pull rod box structure:

[0025] Pull rod installation process:

[0026] First, insert the clamping block 808 into the groove formed at the bottom of the box 1, then make the vertical rod 6 fit with the bent plate 5, then rotate the handle 801 in the positive direction, the rotation of the handle 801 drives the rotating rod 802 to rotate, thereby driving the two worms 803 to rotate, the rotation of the worms 803 drives the worm gears 804 to rotate, thereby driving the rotating rods 805 to rotate, the rotation of the rotating rods 805 drives the cylinders 806 to slide along the sliding grooves formed on the push plates 807, thereby driving the push plates 807 to move inward synchronously, when the inner sides of the push plates 807 abut against the inner walls of the grooves formed on the vertical rod 6, stop rotating the handle 801, thereby fixing the vertical rod 6 inside the bent plate 5, at the same time, due to the gravity of the box 1, the bottom of the box 1 abuts against the clamping block 808, when the vertical rod 6 is fixed, only one handle 801 needs to be rotated by the operator, which can control the synchronous movement of the two push plates 807, compared with rotating multiple screws by the operator, the time required is shorter, thereby improving the work efficiency;

[0027] The pull rod 7 can be adjusted according to the height of the operator, and the operator pulls the pull rod 7 to drive the self-locking universal wheel 4 installed at the bottom of the box body 1 to rotate, so that the operator can move the box body 1, and the first handle 2 and the second handle 3 facilitate the operator to carry the box body 1.

[0028] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be understood by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. An improved trolley case structure, comprising a case body (1) and a curved plate (5), wherein the curved plate (5) is fixedly connected to the left side of the case body (1), characterized in that: The inside of the bending plate (5) is equipped with a fixing mechanism (8), the left side of the bending plate (5) is slidably connected with a vertical rod (6), the inside of the vertical rod (6) is slidably connected with a pull rod (7), the front side of the box body (1) is installed with a first handle (2), the upper end of the box body (1) is installed with a second handle (3), and the bottom of the box body (1) is installed with a plurality of self-locking universal wheels (4).

2. The improved structure of draw-suitcase according to claim 1, wherein: The fixing mechanism (8) comprises a handle (801) and a clamping block (808), the end of the handle (801) is fixedly connected with a rotating rod (802), both ends of the rotating rod (802) are rotatably connected with the bending plate (5) through bearings, the outer wall of the rotating rod (802) is fixedly connected with the inner walls of two worm gears (803), the worm gears (803) are engaged with worm wheels (804), the lower ends of the transmission shafts of the worm wheels (804) are rotatably connected with the bending plate (5) through bearings, the upper ends of the transmission shafts of the worm wheels (804) are fixedly connected with rotating rods (805), the left sides of the rotating rods (805) are fixedly connected with cylinders (806), the outer walls of the cylinders (806) are slidably connected with push plates (807), and the push plates (807) are slidably connected with the bending plate (5).

3. The improved structure of draw-suitcase according to claim 2, wherein: The lower end of the clamping block (808) is fixedly connected with the vertical rod (6).

4. The improved structure of draw-suitcase according to claim 2, wherein: The outer wall of the clamping block (808) is slidably connected with the box body (1).

5. The improved structure of draw-suitcase according to claim 2, wherein: The push plates (807) are slidably connected with the inner wall of the vertical rod (6), and the rotation directions of the two worm gears (803) are opposite.

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