Reinforcing structure of draw-bar box

Abstract

The utility model relates to a reinforcing structure of a draw-bar box, which comprises a draw-bar box body with a reinforcing structure and a protective shell arranged on the draw-bar box body with the reinforcing structure, a connecting plate is arranged at the top of the draw-bar box body with the reinforcing structure, and a mounting plate is fixedly connected to the right side surface of the protective shell. A connecting groove is formed in the bottom face of the mounting plate, the connecting plate extends into the connecting groove, a fixing groove is formed in the front face of the connecting plate, and two baffles are placed in the connecting groove. According to the reinforcing structure of the draw-bar box, through clearance fit between the fixing rods and the fixing holes, the protective shell is fixed, a worker can conveniently disassemble, assemble and replace the protective shell, a user can conveniently operate the protective shell, the using effect is improved, under the action of springs, the fixing rods are supported, the stability of the fixing rods is improved, and meanwhile the safety of the draw-bar box is improved. And through the clearance fit between the positioning rod and the positioning hole, the protective shell is limited, the mounting efficiency is improved, and more convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, in particular to a reinforcement structure of a trolley case. 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 divided into single-tube trolley cases and double-tube trolley cases because they have a trolley case. The tubes of the trolley cases are also divided into square tubes and round tubes, which make it easier to drag 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] Chinese patent CN217791804U discloses a trolley case with a reinforced structure. The patent discloses a technical solution for improving the protective effect of the trolley case, solving the problem that existing trolley cases do not have a reinforced protective structure and are easily damaged when bumped.

[0004] When the device is in use, the protective shell protects the trolley case and increases the service life of the trolley case. However, the protective shell is fixed to the trolley case. When the protective shell is damaged, it is inconvenient for the user to disassemble and replace it, which reduces the use effect. Therefore, a reinforcement structure of the trolley case is proposed to solve the above problem. Utility Model Content

[0005] In response to the deficiencies in the prior art, the present invention provides a reinforced structure for a trolley case, which has the advantage of convenient replacement and solves the problem that when the device is in use, the trolley case is protected by the protective shell, thereby increasing the service life of the trolley case. However, the protective shell is fixed on the trolley case. When the protective shell is damaged, it is inconvenient for the user to disassemble and replace it, thereby reducing the use effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a reinforcement structure for a trolley case, comprising a trolley case body with a reinforcement structure and a protective shell arranged on the trolley case body with the reinforcement structure, a connecting plate is placed on the top of the trolley case body with the reinforcement structure, and a mounting plate is fixedly connected to the right side of the protective shell.

[0007] A connecting groove is provided on the bottom surface of the mounting plate, the connecting plate extends into the interior of the connecting groove, a fixing groove is provided on the front surface of the connecting plate, two baffles are placed inside the connecting groove, and the two baffles are fixedly connected to a fixing rod on one side away from the connecting plate, and a fixing hole is provided inside the mounting plate, and the fixing rod extends into the interior of the fixing hole.

[0008] A supporting assembly is provided inside the fixing groove for supporting the fixing rod.

[0009] The trolley case body with the reinforced structure is provided with a limiting assembly for limiting the protective shell.

[0010] Furthermore, the fixing rod and the fixing hole are clearance-matched, and the baffle and the mounting plate are in close contact.

[0011] Furthermore, the support assembly includes a card plate, which is fixedly connected to the inside of the fixed groove. The front and back sides of the card plate are fixedly connected with telescopic rods. The telescopic rods and the baffle are fixedly connected. The outer peripheral walls of the two telescopic rods are respectively provided with springs fixedly connected to the baffle and the card plate.

[0012] Furthermore, the two springs are both located inside the fixed groove, and the telescopic rod consists of a sleeve and a moving rod. One end of the moving rod passes through and extends into the interior of the sleeve, and the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and a through hole adapted to the moving rod is opened on one side of the sleeve.

[0013] Furthermore, the limiting assembly includes a support plate, which is fixedly connected to the front of the trolley case body with a reinforced structure, a slide groove is provided on the top surface of the support plate, the protective shell extends to the inside of the slide groove, a support groove is provided inside the support plate, and the support groove is slidably connected to a support block, the top surface of the support block is fixedly connected to a positioning rod, a positioning hole is provided on the bottom surface of the protective shell, the positioning rod extends to the inside of the positioning hole, a card slot is provided on the top surface of the trolley case body with a reinforced structure, and the bottom surface of the connecting plate is fixedly connected to a positioning block with one end extending to the inside of the card slot.

[0014] Furthermore, the positioning rod and the positioning hole are clearance-matched, the supporting groove is located at the bottom of the sliding groove, and the positioning block and the card slot are slidably connected.

[0015] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0016] The reinforced structure of the trolley case fixes the protective shell through the clearance fit between the fixing rod and the fixing hole, which makes it convenient for staff to disassemble, install and replace the protective shell, and convenient for users to operate, thereby improving the use effect. The fixing rod is supported by the action of the spring to improve the stability of the fixing rod. At the same time, the protective shell is restricted through the clearance fit between the positioning rod and the positioning hole, thereby improving installation efficiency and being more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part;

[0019] Figure 3 for Figure 1 A magnified schematic diagram of the structure of middle B;

[0020] Figure 4 This is a schematic diagram of the right side of the mounting plate in the structure of the present utility model;

[0021] Figure 5 for Figure 4 A schematic diagram of the structure of C in the middle;

[0022] Figure 6 It is a schematic diagram of the right side of the connecting plate in the structure of the present utility model.

[0023] In the figure: 1 trolley case body with reinforced structure, 2 card slot, 3 mounting plate, 4 protective shell, 5 slide slot, 6 support slot, 7 support plate, 8 connecting plate, 9 positioning block, 10 positioning rod, 11 positioning hole, 12 support block, 13 connecting slot, 14 fixing hole, 15 fixing rod, 16 baffle, 17 fixing slot, 18 card plate, 19 telescopic rod, 20 spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1-6 In this embodiment, a reinforcement structure of a trolley case includes a trolley case body 1 with a reinforcement structure and a protective shell 4 arranged on the trolley case body 1 with a reinforcement structure. A connecting plate 8 is placed on the top of the trolley case body 1 with a reinforcement structure, and a mounting plate 3 is fixedly connected to the right side of the protective shell 4.

[0026] A connecting groove 13 is provided on the bottom surface of the mounting plate 3, and the connecting plate 8 extends into the inside of the connecting groove 13. A fixing groove 17 is provided on the front surface of the connecting plate 8. Two baffles 16 are placed inside the connecting groove 13. The two baffles 16 are fixedly connected to a fixing rod 15 on one side away from the connecting plate 8. A fixing hole 14 is provided inside the mounting plate 3, and the fixing rod 15 extends into the inside of the fixing hole 14.

[0027] The fixing rod 15 and the fixing hole 14 are clearance-matched, and the baffle 16 and the mounting plate 3 are in close contact.

[0028] Specifically, the connecting plate 8 enters the interior of the connecting groove 13, the fixing rod 15 and the fixing hole 14 are located on the same horizontal line, the fixing rod 15 is inserted into the interior of the fixing hole 14, and the protective shell 4 is fixed by the clearance fit between the fixing rod 15 and the fixing hole 14.

[0029] In this embodiment, a support assembly is provided inside the fixed groove 17, and the support assembly includes a card plate 18, which is fixedly connected to the inside of the fixed groove 17. The front and back sides of the card plate 18 are fixedly connected with telescopic rods 19, and the telescopic rods 19 are fixedly connected to the baffle 16. The outer peripheral walls of the two telescopic rods 19 are respectively provided with springs 20 fixedly connected to the baffle 16 and the card plate 18.

[0030] Among them, the two springs 20 are both located inside the fixed groove 17, and the telescopic rod 19 is composed of a sleeve and a moving rod. One end of the moving rod passes through and extends to the inside of the sleeve. The outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and a through hole compatible with the moving rod is opened on one side of the sleeve.

[0031] Specifically, pull the baffle 16 to move the baffle 16, squeeze the telescopic rod 19 and the spring 20, and shrink the telescopic rod 19 and the spring 20, driving the fixed rod 15 to move. The fixed rod 15 and the fixing hole 14 are located on the same horizontal line. Loosen the baffle 16, and the spring 20 pushes the fixed rod 15 to reset.

[0032] In this embodiment, a limiting assembly is provided on the trolley case body 1 with a reinforced structure, and the limiting assembly includes a support plate 7, which is fixedly connected to the front of the trolley case body 1 with a reinforced structure, a slide groove 5 is provided on the top surface of the support plate 7, and the protective shell 4 extends to the inside of the slide groove 5, and a support groove 6 is provided inside the support plate 7. The support groove 6 is slidably connected to a support block 12, and the top surface of the support block 12 is fixedly connected to a positioning rod 10, and a positioning hole 11 is provided on the bottom surface of the protective shell 4, and the positioning rod 10 extends to the inside of the positioning hole 11. A card slot 2 is provided on the top surface of the trolley case body 1 with a reinforced structure, and a positioning block 9 with one end extending to the inside of the card slot 2 is fixedly connected to the bottom surface of the connecting plate 8.

[0033] The positioning rod 10 and the positioning hole 11 are clearance-matched, the supporting groove 6 is located at the bottom of the sliding groove 5 , and the positioning block 9 and the card slot 2 are slidably connected.

[0034] Specifically, the protective shell 4 is inserted into the interior of the slide groove 5, the positioning block 9 is inserted into the interior of the card slot 2, and the positioning rod 10 is inserted into the interior of the positioning hole 11. The protective shell 4 is restricted by the clearance fit between the positioning rod 10 and the positioning hole 11, and the protective shell 4 is supported by the sliding connection between the protective shell 4 and the slide groove 5 and the card slot 2 and the positioning block 9.

[0035] The working principle of the above embodiment is:

[0036] The baffle 16 is pulled to move the baffle 16, which squeezes the telescopic rod 19 and the spring 20, causing the telescopic rod 19 and the spring 20 to contract, driving the fixing rod 15 to move, pushing the protective shell 4, so that the protective shell 4 contacts the trolley case body 1 with the reinforced structure, and the connecting plate 8 enters the interior of the connecting groove 13. The fixing rod 15 and the fixing hole 14 are located at the same horizontal line, and the baffle 16 is loosened. The baffle 16 is loosened, and the fixing rod 15 is pushed to reset under the action of the spring 20. The fixing rod 15 is inserted into the interior of the fixing hole 14, and the protective shell 4 is fixed by the clearance between the fixing rod 15 and the fixing hole 14. The protective shell 4 is inserted into the interior of the slide 5, the positioning block 9 is inserted into the interior of the card slot 2, and the positioning rod 10 is inserted into the interior of the positioning hole 11. The protective shell 4 is restricted by the clearance between the positioning rod 10 and the positioning hole 11, and the protective shell 4 is supported by the sliding connection between the protective shell 4 and the slide 5 and the card slot 2 and the positioning block 9.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reinforcement structure for a trolley case, comprising a trolley case body (1) with a reinforcement structure and a protective shell (4) arranged on the trolley case body (1) with a reinforcement structure, characterized in that: A connecting plate (8) is placed on the top of the trolley case body (1) with a reinforced structure, and a mounting plate (3) is fixedly connected to the right side of the protective shell (4); The bottom surface of the mounting plate (3) is provided with a connecting groove (13), the connecting plate (8) extends to the inside of the connecting groove (13), the front surface of the connecting plate (8) is provided with a fixing groove (17), two baffles (16) are placed inside the connecting groove (13), and the two baffles (16) are fixedly connected to a fixing rod (15) on one side away from the connecting plate (8), and the inside of the mounting plate (3) is provided with a fixing hole (14), and the fixing rod (15) extends to the inside of the fixing hole (14); A support component is provided inside the fixing groove (17), and a limit component is provided on the trolley case body (1) with a reinforcement structure.

2. The reinforcement structure of a trolley case according to claim 1, characterized in that: The fixing rod (15) and the fixing hole (14) are clearance-matched, and the baffle (16) and the mounting plate (3) are in close contact.

3. The reinforcement structure of a trolley case according to claim 1, characterized in that: The support assembly includes a card plate (18), the card plate (18) is fixedly connected to the inside of the fixing groove (17), the front and back sides of the card plate (18) are fixedly connected to telescopic rods (19), the telescopic rods (19) and the baffle (16) are fixedly connected, and the outer peripheral walls of the two telescopic rods (19) are respectively provided with springs (20) fixedly connected to the baffle (16) and the card plate (18).

4. The reinforcement structure of a trolley case according to claim 3, characterized in that: The two springs (20) are both located inside the fixing groove (17). The telescopic rod (19) consists of a sleeve and a motion rod. One end of the motion rod passes through and extends into the interior of the sleeve. The outer side of the motion rod is fixedly connected to a limiting block located inside the sleeve. A through hole adapted to the motion rod is provided on one side of the sleeve.

5. The reinforcement structure of a trolley case according to claim 3, characterized in that: The limiting assembly includes a support plate (7), the support plate (7) is fixedly connected to the front of the trolley case body (1) with a reinforced structure, a slide groove (5) is provided on the top surface of the support plate (7), the protective shell (4) extends to the inside of the slide groove (5), a support groove (6) is provided inside the support plate (7), the support groove (6) is slidably connected to a support block (12), the top surface of the support block (12) is fixedly connected to a positioning rod (10), the bottom surface of the protective shell (4) is provided with a positioning hole (11), the positioning rod (10) extends to the inside of the positioning hole (11), the top surface of the trolley case body (1) with a reinforced structure is provided with a card slot (2), and the bottom surface of the connecting plate (8) is fixedly connected to a positioning block (9) with one end extending to the inside of the card slot (2).

6. The reinforcement structure of a trolley case according to claim 5, characterized in that: The positioning rod (10) and the positioning hole (11) are clearance-matched, the supporting groove (6) is located at the bottom of the slide groove (5), and the positioning block (9) and the card slot (2) are slidably connected.

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