Efficient, wear-resistant and reliable draw-bar box

Abstract

The utility model discloses an efficient wear-resistant reliable draw-bar box, relates to draw-bar box technical field, including draw-bar box main part, button, support plate, second universal wheel and damper, draw-bar box main part bottom four ends are equipped with first universal wheel, draw-bar box main part one side is equipped with telescopic pole, the top middle of telescopic pole is embedded with button, and the damper is equipped with second universal wheel. When the draw-bar box goes up and down stairs, a button is pressed, the telescopic rod is pulled out, then a turning plate is turned over to one side of the telescopic rod, the top end of the telescopic rod is pulled, then the draw-bar box is laid flat and dragged down the stairs, and second universal wheels are in contact with the ground for supporting when the draw-bar box is dragged down the stairs; furthermore, the springs and the dampers are beneficial to better buffering the collision of the draw-bar box when going down the stairs, so that the draw-bar box is protected, and meanwhile, the second universal wheels are in contact with the side surfaces of the stairs when going up the stairs, so that the collision of the draw-bar box is buffered through the springs and the dampers.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to a highly efficient, wear-resistant and reliable trolley case. Background Art

[0002] With the popularity of trolley cases, people pay more and more attention to the durability of trolley cases. After searching, the Chinese patent authorization number CN212787757U discloses a durable flame-retardant trolley case. Although the trolley case has a high fire resistance level, is safe and reliable, and has external protective pads at the corners for easy installation, the corners are anti-collision and wear-resistant, and the overall service life is extended, but the trolley case is not convenient for going up and down stairs. When the existing trolley case is dragged up and down the stairs, the bottom will constantly collide with the steps of the stairs. Although the protective pad can play a certain protective effect, the protective pad is easily worn during use, and when the trolley case is dragged up and down the stairs, relying solely on the protective pad cannot achieve a good buffering effect. Utility Model Content

[0003] In view of the deficiencies of the prior art, the utility model provides a highly efficient, wear-resistant and reliable trolley case, which solves the problem in the background art that the prior trolley cases cannot provide a good buffering effect when going up and down stairs.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a highly efficient, wear-resistant and reliable trolley case, comprising a trolley case body, a button, a support plate, a second universal wheel and a damper, wherein the first universal wheels are installed at the four ends of the bottom of the trolley case body, a telescopic rod is provided on one side of the trolley case body, a button is embedded in the middle of the top of the telescopic rod, and a support plate is provided on the top of the telescopic rod, two dampers are embedded on one side of the bottom of the trolley case body, a second universal wheel is installed on one end of the damper by means of screws, a spring is mounted on the outside of the damper, and the damper is installed horizontally.

[0005] Preferably, the outer surface of the trolley case body is made of aluminum alloy, and corners of the outer wall of the trolley case are installed with corners by screws, and the corners are made of stainless steel. By installing corners at the corners of the trolley case, the wear resistance of the trolley case body is improved.

[0006] Preferably, the support plate is located in a groove on one side of the trolley case body, and a groove is provided on the top of the support plate. The outer wall surface of the support plate is flush with the surface of one side of the trolley case body, which is conducive to allowing the support plate to be received in the groove on one side of the trolley case body when not in use, thereby maintaining aesthetics.

[0007] Preferably, a magnetic block is embedded inside the support plate, and the support plate is adsorbed and connected to the surface of the suitcase body through the internal magnetic block, so that the support plate can be adsorbed and fixed by the magnet when not in use.

[0008] Preferably, the bottom of the support plate is rotatably connected to the top of the telescopic rod, and two limit blocks are welded on one side of the top of the telescopic rod. The limit blocks are triangular in shape, and a knob is provided at the connection between the support plate and the telescopic rod. The threaded rod inside the knob passes through the support plate and is threadedly connected to the support plate. By tightening the knob, the rotation of the support plate can be limited.

[0009] The utility model provides a highly efficient, wear-resistant and reliable trolley case, which has the following beneficial effects:

[0010] (1) A highly efficient, wear-resistant and reliable suitcase. When the suitcase goes up or down stairs, the telescopic rod is pulled out by pressing a button, and the flap is flipped to one side of the telescopic rod. The top of the telescopic rod is pulled to lay the suitcase flat and drag it down the stairs. When dragging the suitcase down the stairs, the second universal wheel contacts the ground for support, and the spring and the damper are used to better cushion the impact of the suitcase going down the stairs, thereby protecting the suitcase. When going up the stairs, the second universal wheel contacts the side of the stairs, and the spring and the damper are used to cushion the impact of the suitcase.

[0011] (2) This efficient, wear-resistant and reliable trolley case can be used as a table top by pulling out the telescopic rod upward and then flipping the support plate so that one side of the support plate can be supported on the top of the limit block, thereby keeping the support plate horizontal.

[0012] Thereby, the problem that the existing trolley case cannot provide a good buffering effect when going up and down stairs is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0015] Figure 3 This is a side view of the structure of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the limit block of the utility model;

[0017] Figure 5 This is a schematic diagram of the spring structure of the utility model.

[0018] In the figure, 1. the suitcase body; 2. the first universal wheel; 3. the wrap angle; 4. the telescopic rod; 5. the button; 6. the limit block; 7. the support plate; 8. the magnetic block; 9. the pull groove; 10. the second universal wheel; 11. the damper; 12. the spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1: Please refer to Figure 1-5 A highly efficient, wear-resistant and reliable trolley case, comprising a trolley case body 1, a button 5, a support plate 7, a second universal wheel 10 and a damper 11. The first universal wheels 2 are installed at the four ends of the bottom of the trolley case body 1, a telescopic rod 4 is arranged on one side of the trolley case body 1, a button 5 is embedded in the middle of the top of the telescopic rod 4, and a support plate 7 is arranged on the top of the telescopic rod 4. Two dampers 11 are embedded on one side of the bottom of the trolley case body 1, and the second universal wheel 10 is installed on one end of the damper 11 by screws. A spring 12 is sleeved on the outside of the damper 11, and the damper 11 is installed horizontally. The outer surface of the box body 1 is made of aluminum alloy, and the corners of the outer wall of the trolley case are installed with corners 3 by screws. The corners 3 are made of stainless steel. When the trolley case goes up and down the stairs, the button 5 is pressed to pull out the telescopic rod 4, and then the flap is flipped to the side of the telescopic rod 4, so that the trolley case can be laid flat by pulling the top of the telescopic rod 4 and dragged down the stairs. When dragging down the stairs, the second universal wheel 10 will contact the ground for support, and then the spring 12 and the damper 11 will help to better cushion the impact of the trolley case going down the stairs, thereby helping to protect the trolley case.

[0021] Embodiment 2: The support plate 7 is located in a groove on one side of the trolley case body 1, and a groove 9 is provided on the top of the support plate 7. The outer wall surface of the support plate 7 is flush with the surface of one side of the trolley case body 1. A magnetic block 8 is embedded inside the support plate 7. The support plate 7 is adsorbed and connected to the surface of the trolley case body 1 through the internal magnetic block 8. The bottom of the support plate 7 is rotatably connected to the top of the telescopic rod 4. Two limit blocks 6 are welded on one side of the top of the telescopic rod. The limit blocks 6 are triangular in shape. By pulling the telescopic rod 4 upward and then flipping the support plate 7, one side of the support plate 7 can be supported on the top of the limit block 6, so that the support plate 7 can remain horizontal and be used as a table top, which is beneficial to improving the practicality of the suitcase.

[0022] Working principle: when the suitcase is going up or down the stairs, the button 5 is pressed to pull out the telescopic rod 4, and then the flap is flipped to the side of the telescopic rod 4, so that the suitcase can be laid flat by pulling the top of the telescopic rod 4 and dragged down the stairs. When dragging down the stairs, the second universal wheel 10 will contact the ground for support, and then the spring 12 and the damper 11 will help to better buffer the impact of the suitcase going down the stairs, which is beneficial to protect the suitcase. At the same time, when going up the stairs, the second universal wheel 10 will contact the side of the stairs, so that the spring 12 and the damper 11 will help to buffer the collision of the suitcase, and the telescopic rod 4 can be pulled out upwards and the support plate 7 can be flipped so that one side of the support plate 7 can be supported on the top of the limit block 6, so that the support plate 7 can remain horizontal and can be used as a table top.

[0023] The components of the utility model, including 1, a trolley case body; 2, a first universal wheel; 3, a wrap angle; 4, a telescopic rod; 5, a button; 6, a limit block; 7, a support plate; 8, a magnetic block; 9, a groove; 10, a second universal wheel; 11, a damper; and 12, are all common standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0024] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A highly efficient, wear-resistant and reliable trolley case, characterized by: The invention comprises a trolley case body (1), a button (5), a support plate (7), a second universal wheel (10) and a damper (11), wherein the first universal wheels (2) are installed at the four ends of the bottom of the trolley case body (1), a telescopic rod (4) is arranged on one side of the trolley case body (1), a button (5) is embedded in the middle of the top of the telescopic rod (4), and a support plate (7) is arranged on the top of the telescopic rod (4), two dampers (11) are embedded on one side of the bottom of the trolley case body (1), a second universal wheel (10) is installed on one end of the damper (11) by means of screws, a spring (12) is sleeved on the outside of the damper (11), and the damper (11) is installed in a horizontal state.

2. According to claim 1, a highly efficient, wear-resistant and reliable trolley case, characterized in that: The outer surface of the trolley case body (1) is made of aluminum alloy, and corners of the outer wall of the trolley case are all installed with corners (3) by means of screws, and the corners (3) are made of stainless steel.

3. According to claim 1, a highly efficient, wear-resistant and reliable trolley case, characterized in that: The support plate (7) is located in a groove on one side of the trolley case body (1), and a groove (9) is provided on the top of the support plate (7), and the outer wall surface of the support plate (7) is flush with the surface of one side of the trolley case body (1).

4. According to claim 1, a highly efficient, wear-resistant and reliable trolley case, characterized in that: A magnetic block (8) is embedded inside the support plate (7), and the support plate (7) is adsorbed and connected to the surface of the trolley case body (1) via the internal magnetic block (8).

5. According to claim 1, a highly efficient, wear-resistant and reliable trolley case, characterized in that: The bottom of the support plate (7) is rotatably connected to the top of the telescopic rod (4), and two limit blocks (6) are welded to one side of the top of the telescopic rod. The limit blocks (6) are in a triangular structure.

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