Draw-bar box with handle

Abstract

The utility model relates to a draw-bar box with a handle, which comprises a draw-bar box body, a groove arranged on the front side surface of the draw-bar box body and a box body embedded in the groove, a movable plate is arranged on the front side of the bottom of the draw-bar box body, and a draw-bar box roller body is arranged at the bottom of the movable plate. A driving structure for controlling the movable plate to move up and down is arranged in the box body; notches are formed in the left side of the top of the box body and the right side of the bottom of the box body, a connecting plate is arranged on the left side of the upper portion of the box body, a top plate is fixed to the top of the connecting plate, and a draw-bar box handle body is bolted to the surface of the upper portion of the top plate. The draw-bar box disclosed by the utility model has a height adjusting function, and when a user pulls a handle to move the draw-bar box, the positions of the rollers at the bottom of the draw-bar box can be simultaneously adjusted, so that the bottom of the draw-bar box is far away from the ground, the draw-bar box can be conveniently used in different environments, and articles in the draw-bar box are protected; the practicability of the draw-bar box is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to a trolley case with a handle. Background Art

[0002] A trolley case refers to a suitcase with a handle and wheels. It is widely used because of its convenience. At the same time, trolley cases are also divided into single-tube trolleys and double-tube trolleys because the case has a trolley. The tubes of the trolleys are also divided into square tubes and round tubes, which are convenient for dragging while walking and greatly reduce the burden. Trolley cases can be carried by hand or dragged. The wheels of the trolley cases we usually use are basically located at the bottom of the case.

[0003] The position of the rollers at the bottom of current suitcases is mostly fixed. When the user is unable to move the suitcase, the user cannot adjust the height of the suitcase from the ground, which results in a small distance between the bottom of the suitcase and the ground when the user is pulling the suitcase. When the suitcase is moved on a bumpy road, the bottom of the suitcase is likely to collide with the ground, thereby causing damage to items inside the suitcase. When the suitcase is moved to a muddy road section, dirt on the ground is likely to come into contact with the bottom surface of the suitcase, requiring the user to clean it up later, which is inconvenient to use. Summary of the invention

[0004] The purpose of the utility model is to provide a trolley case with a handle to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a trolley case with a handle, comprising a trolley case body, a groove provided on the front side of the trolley case body, and a box body embedded in the groove, characterized in that:

[0006] A movable plate is provided at the front side of the bottom of the trolley case body, a trolley case roller body is installed at the bottom of the movable plate, and a driving structure for controlling the upward and downward movement of the movable plate is provided inside the box body;

[0007] A notch is provided on the left side of the top of the box body and on the right side of the bottom of the box body. A connecting plate is provided on the left side above the box body. A top plate is fixed on the top of the connecting plate. The handle body of the suitcase is bolted to the surface above the top plate. A positioning structure is fixed on the top of the box body. The positioning structure is located on the right side of the connecting plate.

[0008] Among them, the driving structure includes a gear rotatably connected to the middle part of the box body cavity, a first rack plate arranged on the right side of the box body cavity and a second rack plate arranged on the left side of the box body cavity; the gear is respectively meshed with the first rack plate and the second rack plate, the bottom of the first rack plate passes through the lower notch and is connected to the movable plate, and the top of the second rack plate passes through the upper notch and is connected to the connecting plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model has a height adjustment function. When the user pulls the handle to move the trolley case, the position of the rollers at the bottom of the trolley case can be adjusted simultaneously, so that the bottom of the trolley case is kept away from the ground, which makes it convenient to use the trolley case in different environments and protects the items inside the trolley case, effectively improving the practicability of the trolley case and enhancing the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0012] Figure 2 It is a three-dimensional schematic diagram of the trolley case body in the utility model;

[0013] Figure 3 It is a three-dimensional schematic diagram of the driving structure in the utility model;

[0014] Figure 4 It is a cross-sectional view of the box body in the utility model;

[0015] Figure 5 It is a three-dimensional schematic diagram of the handle body of the trolley case in the utility model;

[0016] Figure 6 It is a three-dimensional schematic diagram of the positioning structure in the utility model.

[0017] Description of symbols

[0018] 1. Trolley case body; 2. Groove; 3. Box body; 4. Movable plate; 5. Trolley case roller body; 6. Driving structure; 61. Gear; 62. First rack plate; 63. Second rack plate; 7. Notch; 8. Connecting plate; 9. Top plate; 10. Trolley case handle body; 11. Positioning structure; 111. Fixed frame; 112. Positioning plate; 113. Spring; 12. Limit block; 13. Limit groove; 14. Guide groove; 15. Guide block. 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] like Figure 1-6As shown, a trolley case with a handle comprises a trolley case body 1, a groove 2 provided on the front side of the trolley case body 1, and a box body 3 embedded in the groove 2, characterized in that:

[0021] A movable plate 4 is provided at the front bottom of the trolley case body 1, a trolley case roller body 5 is installed at the bottom of the movable plate 4, and a driving structure 6 for controlling the upward and downward movement of the movable plate 4 is provided inside the box body 3;

[0022] A notch 7 is provided on the left side of the top of the box body 3 and on the right side of the bottom of the box body 3. A connecting plate 8 is provided on the left side above the box body 3. A top plate 9 is fixed on the top of the connecting plate 8. A handle body 10 of the suitcase is bolted to the surface above the top plate 9. A positioning structure 11 is fixed on the top of the box body 3. The positioning structure 11 is located on the right side of the connecting plate 8.

[0023] Among them, the driving structure 6 includes a gear 61 rotatably connected to the middle part of the inner cavity of the box body 3, a first rack plate 62 arranged on the right side of the inner cavity of the box body 3, and a second rack plate 63 arranged on the left side of the inner cavity of the box body 3; the gear 61 is respectively meshed with the first rack plate 62 and the second rack plate 63, the bottom of the first rack plate 62 passes through the lower notch 7 and is connected to the movable plate 4, and the top of the second rack plate 63 passes through the upper notch 7 and is connected to the connecting plate 8.

[0024] The inner wall surfaces of the left side wall and the right side wall of the box body 3 are both provided with limiting grooves 13 , and the first rack plate 62 and the second rack plate 63 are both provided with limiting blocks 12 , and the limiting blocks 12 are embedded in the corresponding limiting grooves 13 .

[0025] When the user pulls the suitcase handle body 10, the second rack plate 63 moves upward, and the second rack plate 63 drives the gear 61 to rotate during the upward movement, so that the first rack plate 62 moves downward, and the second rack plate 63 and the first rack plate 62 are limited by the limit blocks 12 respectively, so that the second rack plate 63 and the first rack plate 62 can only move in the up and down directions. When the suitcase handle body 10 moves upward, the movable plate 4 below drives the suitcase roller body 5 to descend.

[0026] The positioning structure 11 includes a fixing frame 111, a positioning plate 112 and a spring 113; the fixing frame 111 is fixed to the left side of the top of the box body 3, and the fixing frame 111 is U-shaped as a whole, the positioning plate 112 is slidably connected to the inside of the fixing frame 111, and the spring 113 is fixed to the front and rear of the right side of the inner wall of the fixing frame 111, and the left end of the spring 113 is connected to the positioning plate 112.

[0027] The front and rear inner walls of the fixing frame 111 are provided with guide grooves 14 extending in the left and right directions, and the front and rear sides of the positioning plate 112 are fixed with guide blocks 15, which are embedded in the corresponding guide grooves 14. When the user pulls the positioning plate 112 to move, the guide blocks 15 on both sides can guide the positioning plate 112, so that the positioning plate 112 can only move horizontally in the left and right directions.

[0028] The left end of the positioning plate 112 is in contact with the surface of the connecting plate 8 , and a paddle is provided on the top of the positioning plate 112 .

[0029] When the user needs to pull the suitcase handle body 10, the user can pull the positioning plate 112 through the paddle to move the positioning plate 112 to the right, and then the user can pull the suitcase handle body 10 upward. When the suitcase handle body 10 is pulled out a certain distance, the user can loosen the positioning plate 112, so that the positioning plate 112 is inserted into the gap between the teeth on the surface of the second rack plate 63, and then the second rack plate 63 is positioned, so that the gear 61 and the first rack plate 62 cannot move.

[0030] Working principle: When the user needs to pull the suitcase to move, the user first pulls the positioning plate 112 to move the positioning plate 112 away from the surface of the connecting plate 8; then the user pulls the suitcase handle body 10 upward, so that the first rack plate 62 pushes the lower movable plate 4 downward, and the suitcase roller body 5 props up the suitcase body 1 as a whole, so that the suitcase body 1 is away from the ground. When the user moves the suitcase handle body 10 up to a certain height, the user can release the positioning plate 112, and the positioning plate 112 will be inserted into the gap on the surface of the second rack plate 63 to fix the height of the second rack plate 63, and then the user can pull the suitcase handle body 10 to move the suitcase body 1.

[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 trolley case with a handle, comprising a trolley case body (1), a groove (2) provided on the front side of the trolley case body (1), and a box body (3) embedded in the groove (2), characterized in that: A movable plate (4) is provided at the front bottom side of the trolley case body (1), a trolley case roller body (5) is installed at the bottom of the movable plate (4), and a driving structure (6) for controlling the upward and downward movement of the movable plate (4) is provided inside the box body (3); A notch (7) is provided on the left side of the top of the box body (3) and on the right side of the bottom of the box body (3); a connecting plate (8) is provided on the left side above the box body (3); a top plate (9) is fixed on the top of the connecting plate (8); a handle body (10) of the suitcase is bolted to the surface above the top plate (9); a positioning structure (11) is fixed above the box body (3); the positioning structure (11) is located on the right side of the connecting plate (8); The driving structure (6) comprises a gear (61) rotatably connected to the middle of the inner cavity of the box body (3), a first rack plate (62) arranged on the right side of the inner cavity of the box body (3), and a second rack plate (63) arranged on the left side of the inner cavity of the box body (3); the gear (61) is meshed with the first rack plate (62) and the second rack plate (63), respectively; the bottom of the first rack plate (62) passes through the lower notch (7) and is connected to the movable plate (4); the top of the second rack plate (63) passes through the upper notch (7) and is connected to the connecting plate (8).

2. A suitcase with a handle according to claim 1, characterized in that: The inner wall surface of the left side wall and the inner wall surface of the right side wall of the box body (3) are both provided with limit grooves (13), and the first rack plate (62) and the second rack plate (63) are both provided with limit blocks (12), and the limit blocks (12) are embedded in the corresponding limit grooves (13).

3. The suitcase with a handle according to claim 1, characterized in that: The positioning structure (11) comprises a fixing frame (111), a positioning plate (112) and a spring (113); the fixing frame (111) is fixed to the left side of the top of the box body (3), and the fixing frame (111) is arranged in a U shape as a whole; the positioning plate (112) is slidably connected to the inside of the fixing frame (111); the spring (113) is fixed to the front and rear sides of the right side of the inner wall of the fixing frame (111), and the left end of the spring (113) is connected to the positioning plate (112).

4. A suitcase with a handle according to claim 3, characterized in that: The front and rear inner wall surfaces of the fixing frame (111) are provided with guide grooves (14) extending in the left and right directions. The front and rear sides of the positioning plate (112) are both fixed with guide blocks (15), and the guide blocks (15) are embedded in the corresponding guide grooves (14).

5. The suitcase with a handle according to claim 3, characterized in that: The left end of the positioning plate (112) is in contact with the surface of the connecting plate (8), and a paddle is provided on the top of the positioning plate (112).

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