Draw-bar box wheel convenient to assemble

Abstract

The utility model relates to the technical field of draw-bar boxes, in particular to a draw-bar box wheel convenient to assemble, which comprises two groups of connecting seats, a plurality of groups of fixing holes are arranged on the outer end faces of the connecting seats, and the two groups of connecting seats are respectively clamped at the bottoms of two sides of a draw-bar box. The connecting seat is fixedly connected with the draw-bar box through the matching of the fixing holes and screws, the lower end face of the connecting seat is fixedly connected with four groups of supporting blocks, the four groups of supporting blocks are arranged to be symmetrical in pairs, and a universal wheel assembly is movably clamped between every two groups of supporting blocks; the universal wheel assembly is fixed through the supporting blocks, when the universal wheel assembly is damaged, a hand-screwing nut can be manually rotated, and therefore the universal wheel assembly can be conveniently detached, replacement of the universal wheel assembly can be completed without a specific tool, and the universal wheel assembly is convenient to use and high in practicability. Therefore, the service life of the draw-bar box is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field especially, relates to a trolley case wheel convenient to assemble. BACKGROUND

[0002] Chinese patent number "CN104382314B" discloses a detachable combined trolley case, the trolley case can be disassembled and assembled, the trolley case includes front and rear width, and the front and rear width has an upper cap and a lower cap respectively, the front width lower cap is used to combine a pair of wheels, the rear width upper cap places the trolley, and the rear width lower cap is used to combine another pair of wheels and link the trolley, and the front width is connected with the rear width through the cooperation of inner annular support and side support buckling connection, which adopts detachable combined structure, so that the labor cost and transportation cost are greatly reduced in the production of trolley case.

[0003] The device can be used for the production of trolley case, and the labor cost and transportation cost are reduced through the detachable combined structure, and the wheel part is most prone to damage in the use process of trolley case, the device does not have the wheel structure convenient to disassemble, tools are needed to remove the damaged device, which is not convenient for replacement and maintenance, and therefore improvement is proposed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a trolley case wheel convenient to assemble, which solves the problem of the prior art that the wheel structure is not convenient to disassemble, tools are needed to remove the damaged device, and replacement and maintenance are not convenient.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A trolley case wheel convenient to assemble is designed, which comprises two groups of connecting seats, a plurality of fixing holes are formed on the outer side end face of the connecting seat, the two groups of connecting seats are respectively clamped on the bottom of the two sides of the trolley case, the connecting seat is fixedly connected with four groups of supporting blocks through the cooperation of the fixing hole and the screw, the four groups of supporting blocks are arranged in pairs of symmetry, a universal wheel assembly is movably clamped between every two groups of supporting blocks, a bolt penetrating through the universal wheel assembly is movably inserted into the inside of the two groups of supporting blocks, and a hand nut for fixing the bolt is screwed on the other end of the bolt.

[0007] Preferably, the universal wheel assembly comprises a connecting block, a wheel frame is rotatably connected to the lower end face of the connecting block through the cooperation of a rotating shaft, and a roller is rotatably connected to the inside of the wheel frame through the cooperation of a fixing shaft.

[0008] Preferably, a limiting groove is formed on the upper end face of the connecting block, a limiting block is fixedly connected between the two groups of supporting blocks, and the limiting groove and the limiting block are movably clamped.

[0009] Preferably, a locking groove is provided on the outer end face of the support block, and the head of the bolt is movably engaged inside the locking groove.

[0010] Preferably, the outer end face of another set of the support blocks is movably engaged with a protective cover that seals the hand-tightening nut.

[0011] Preferably, the lower end surface of the support block is provided with anti-slip texture.

[0012] Preferably, the bottom of the suitcase has a groove that matches the connecting seat, and the connection between the connecting seat and the suitcase is at the same plane height.

[0013] The present invention proposes an easy-to-assemble trolley wheel, which has the following advantages: by setting a support block to fix the swivel wheel assembly, when the swivel wheel assembly is damaged, it can be easily removed by manually rotating the hand-tightening nut. The swivel wheel assembly can be replaced without the need for special tools, thereby extending the service life of the trolley and having a good user effect. At the same time, when the swivel wheel assembly is not needed, it can be directly removed, and the support block contacts the ground, avoiding the trolley's direct contact with the ground and preventing scratches on the surface.

[0014] By setting a locking groove to fix the bolt, the bolt will not rotate when the hand-tightening nut is turned, thus facilitating disassembly. The protective cover can seal and protect the hand-tightening nut, preventing water ingress and rust. The cooperation between the limiting block and the limiting groove facilitates the installation of the caster wheel assembly. The bolt insertion process does not require multiple adjustments to the insertion angle, effectively preventing misalignment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a trolley case wheel that is easy to assemble, as proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the transverse cross-sectional structure of a trolley case wheel that is easy to assemble, as proposed in this utility model.

[0017] Figure 3 This utility model proposes an easy-to-assemble wheel for a trolley case. Figure 2 Enlarged view of a portion of point A in the middle;

[0018] Figure 4 This is a longitudinal cross-sectional view of a trolley case wheel that is easy to assemble, as proposed in this utility model.

[0019] Figure 5 This is a schematic diagram of the universal wheel assembly structure for a trolley case wheel that is easy to assemble, as proposed in this utility model.

[0020] In the figure: 1, connecting seat; 101, fixing hole; 2, support block; 201, limiting block; 202, locking groove; 3, bolt; 301, hand nut; 4, universal wheel assembly; 5, connecting block; 501, limiting groove; 6, rotating shaft; 7, wheel frame; 8, roller; 9, fixed shaft. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Referring to Figures 1-5 A trolley case wheel convenient to assemble, comprising two groups of connecting seats 1, a plurality of fixing holes 101 are formed on the outer side end face of the connecting seat 1, the two groups of connecting seats 1 are respectively clamped on the bottom of the two sides of the trolley case, the connecting seat 1 is fixedly connected with the trolley case through the cooperation of the fixing hole 101 and the screw, the lower end face of the connecting seat 1 is fixedly connected with four groups of support blocks 2, the four groups of support blocks 2 are arranged to be symmetrical in pairs, the lower end face of the support block 2 is provided with anti-skid lines, the friction between the support block 2 and the ground can be improved through the anti-skid lines, the trolley case is convenient to use by removing the universal wheel assembly 4, the universal wheel assembly 4 is movably clamped between every two groups of support blocks 2, the bolt 3 penetrating through the universal wheel assembly 4 is movably inserted into the inside of the two groups of support blocks 2, the hand nut 301 for fixing the bolt 3 is screwed on the other end of the bolt 3, the universal wheel assembly 4 is fixed through the support block 2, when the universal wheel assembly 4 is damaged, the hand nut 301 can be manually rotated, so that the universal wheel assembly 4 is conveniently removed, the universal wheel assembly 4 can be replaced without special tools, so that the service life of the trolley case is prolonged, and good use effect is achieved.

[0023] In order to improve the appearance of the trolley case and prevent the connecting part of the trolley case and the connecting seat from being uneven, a groove matched with the connecting seat 1 is formed on the bottom of the trolley case, so that the connecting part of the connecting seat 1 and the trolley case is kept at the same height, so that the connecting seat 1 and the trolley case can be regarded as a whole.

[0024] Referring to Figure 5 The universal wheel assembly 4 can be used in all directions, and the friction of turning is reduced, the universal wheel assembly 4 comprises a connecting block 5, the lower end face of the connecting block 5 is rotatably connected with a wheel frame 7 through the cooperation of a rotating shaft 6, and the inside of the wheel frame 7 is rotatably connected with a roller 8 through the cooperation of a fixed shaft 9.

[0025] Referring to Figure 4, in order to facilitate the assembly of universal wheel assembly 4, the upper end surface of connecting block 5 is provided with a limiting groove 501, two groups of supporting blocks 2 are fixedly connected with a limiting block 201, the limiting groove 501 and the limiting block 201 are movably clamped, when the limiting groove 501 and the limiting block 201 are clamped, the mounting position of the universal wheel assembly 4 is fixed, so that the bolt 3 does not need to be adjusted for multiple times during the insertion process.

[0026] Reference Figure 3 , in order to avoid the bolt 3 from rotating with the hand nut 301, the supporting block 2 is provided with a locking groove 202 on the outer side surface, the head of the bolt 3 is movably clamped in the locking groove 202, the outer side surface of the other supporting block 2 is movably clamped with a protective cover for sealing the hand nut 301, and the protective cover can avoid water rusting.

[0027] Working mode; when the universal wheel assembly 4 is damaged, the hand nut 301 can be manually rotated to facilitate its removal, and the replacement of the universal wheel assembly 4 can be completed without special tools, thereby prolonging the service life of the trolley case and having good use effect, and when the universal wheel assembly 4 is not needed, it can be directly removed, the supporting block 2 contacts the ground, so that the trolley case can be stored vertically, space can be saved, and movement can be prevented.

[0028] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A trolley wheel for trolley case which is convenient to assemble, comprising two groups of connecting seats (1), characterized in that: The outer side end face of the connecting seat (1) is provided with a plurality of groups of fixing holes (101), two groups of the connecting seat (1) are clamped on the bottom of the side of the draw-bar box, the connecting seat (1) is fixedly connected with the draw-bar box through the cooperation of the fixing hole (101) and the screw, the lower end face of the connecting seat (1) is fixedly connected with four groups of supporting blocks (2), the four groups of supporting blocks (2) are arranged in pairs of symmetry, a universal wheel assembly (4) is movably clamped between every two groups of the supporting blocks (2), a bolt (3) penetrating through the universal wheel assembly (4) is movably inserted into the inside of the two groups of supporting blocks (2), a hand-tightening nut (301) for fixing the bolt (3) is screwed on the other end of the bolt (3), a locking groove (202) is formed on the outer side end face of the supporting block (2), and the head portion of the bolt (3) is movably clamped in the inside of the locking groove (202).

2. The one-step assembled trolley wheel of claim 1, wherein: The universal wheel assembly (4) comprises a connecting block (5), a wheel frame (7) is rotatably connected to the lower end face of the connecting block (5) through the cooperation of a rotating shaft (6), and a roller (8) is rotatably connected to the inside of the wheel frame (7) through the cooperation of a fixing shaft (9).

3. A wheeled luggage case according to claim 2, wherein: A limiting groove (501) is formed on the upper end face of the connecting block (5), a limiting block (201) is fixedly connected between the two groups of supporting blocks (2), and the limiting groove (501) and the limiting block (201) are movably clamped.

4. The one-step assembled trolley wheel of claim 1, wherein: The outer side end face of the other group of the supporting blocks (2) is movably clamped with a protective cover for sealing the hand-tightening nut (301).

5. The one-step assembled trolley wheel of claim 1, wherein: Anti-skid lines are formed on the lower end face of the supporting block (2).

6. The one-step assembled trolley wheel of claim 1, wherein: The bottom of the draw-bar box is provided with a groove matched with the connecting seat (1), and the connecting seat (1) and the draw-bar box are kept at the same plane height.

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