Draw-bar box wheel convenient to assemble

Abstract

The utility model discloses a draw-bar box wheel convenient to assemble, and relates to the technical field of draw-bar box wheels, the draw-bar box wheel comprises a box body, wheels and a rotating shaft, the two ends of the rotating shaft are fixedly connected with the wheels, the four corners of the bottom surface of the box body are connected with the wheels through connecting mechanisms, and the connecting mechanisms are used for quickly disassembling and assembling the wheels. According to the draw-bar box wheel, the connecting piece and the box body can be quickly mounted and dismounted under the arrangement of the first connecting assembly in the connecting mechanism, the rotating shaft, the wheel and the connecting piece can be quickly mounted and dismounted under the arrangement of the second connecting assembly in the connecting mechanism, and the draw-bar box wheel is simple in structure, convenient to assemble and high in practicability. The working efficiency is improved; the service life of the draw-bar box wheel is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley case wheels, in particular to a trolley case wheel convenient for assembly. Background Art

[0002] Trolley cases are essential items for people's daily travel, used to carry the clothes needed by people during the journey. All trolley cases are assembled with wheels to facilitate the pushing of the trolley case. During long-term use, the trolley case wheels may be damaged due to the overweight of the items in the box or uneven roads. However, currently, the trolley case wheels are usually connected to the box body through fastening structures such as bolts, which has the disadvantage of being difficult to disassemble. At the same time, between the structures of the trolley case wheel body, the connecting parts and the wheels are also connected by bolts, which is not convenient for assembly and replacement.

[0003] Based on this, a trolley case wheel convenient for assembly is now provided, which can eliminate the disadvantages of existing devices. Content of the Utility Model

[0004] The purpose of the utility model is to provide a trolley case wheel convenient for assembly, so as to solve the problem that the existing trolley case wheels are not convenient for disassembly, assembly and replacement.

[0005] To achieve the above purpose, the utility model provides the following technical solution:

[0006] A trolley case wheel convenient for assembly includes a box body, wheels and a rotating shaft. The two ends of the rotating shaft are fixedly connected with the wheels. The four corners of the bottom surface of the box body are connected with the wheels through a connecting mechanism, and the connecting mechanism is used for quickly disassembling and installing the wheels.

[0007] Preferably, the connecting mechanism includes grooves arranged at the four corners of the bottom surface of the box body. The grooves are connected with a second connecting component through a first connecting component, and the second connecting component is connected with the wheels.

[0008] Preferably, the first connecting component includes a cavity arranged at the bottom of the box body. A bidirectional lead screw is installed in the cavity. One end of the bidirectional lead screw extends out of the cavity and is fixedly connected with an adjusting knob. Symmetrically arranged on the bidirectional lead screw are plugging rods connected by threads. The plugging rods are slidably connected with the top surface and the bottom surface of the cavity. The plugging rods are connected with plugging grooves, and the plugging grooves are arranged in a connecting seat. The bottom surface of the connecting seat is rotatably connected with a second connecting component.

[0009] Preferably, the second connection component includes a connecting member rotatably connected to the bottom surface of the connection seat. An arc-shaped groove is provided in the connecting member, and an arc-shaped slide rail is provided outside the arc-shaped groove. An arc-shaped block is slidably connected in the arc-shaped slide rail. A tooth is fixedly connected to the outside of the arc-shaped block. The tooth meshes with a gear, and the gear is fixedly connected to a rotating shaft. Both ends of the rotating shaft are connected to the connecting member through bearings. A driven wheel is fixedly connected to the rotating shaft and is located behind the gear. The driven wheel meshes with a driving wheel, and the driving wheel is fixedly connected to one end of a rotating rod. The other end of the rotating rod penetrates through the connecting member and is fixedly connected to a rotating knob.

[0010] Preferably, a positioning block is fixedly connected to the top surface of the connection seat, and a positioning slot adapted to it is provided at the corresponding position of the groove.

[0011] Preferably, the circular cross-sectional dimension formed by enclosing the arc-shaped groove and the arc-shaped block is adapted to the dimension of the rotating shaft.

[0012] Preferably, a sliding rod is arranged in the cavity, and the sliding rod is slidably connected to the plugging rod.

[0013] Preferably, the plugging rod is adapted to the dimension of the plugging slot provided at the upper end of the connecting member.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] Through the cooperation of the connection seat, cavity, bidirectional lead screw, plugging rod, positioning block, connecting member, arc-shaped groove, arc-shaped block, tooth, gear, and rotating shaft in this application, with the setting of the first connection component, the rapid installation and disassembly between the connecting member and the box body are realized. With the setting of the second connection component, the rapid installation and disassembly between the rotating shaft, wheel, and connecting member are realized. The structure of this suitcase wheel is simple, easy to assemble, improving work efficiency and the service life of the suitcase wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of the present utility model.

[0017] Figure 2 It is a schematic diagram of the rotating shaft of the present utility model.

[0018] Figure 3 It is a sectional view of the first connection component of the present utility model.

[0019] Figure 4 It is a schematic structural diagram of the second connection component of the present utility model.

[0020] Figure 5 It is a sectional schematic diagram of the second connection component of the present utility model.

[0021] Annotation of reference numerals: box body 101, wheel 102, rotating shaft 103, connecting mechanism 200, connecting seat 201, cavity 202, bidirectional lead screw 203, insertion rod 204, positioning block 205, connecting piece 206, arc groove 207, arc block 208, tooth 209, gear 210, rotating shaft 211. Detailed implementation mode

[0022] In order to make the purpose, technical solution and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the drawings and embodiments.

[0023] Embodiment 1

[0024] Please refer to Figures 1 - 5 , a wheel of a pull rod box convenient for assembly, including a box body 101, a wheel 102 and a rotating shaft 103. Both ends of the rotating shaft 103 are fixedly connected with the wheel 102. The four corners of the bottom surface of the box body 101 are connected with the wheel 102 through a connecting mechanism 200, and the connecting mechanism 200 is used for quickly disassembling and installing the wheel 102.

[0025] Please refer to Figures 1 - 5 , the connecting mechanism 200 includes grooves arranged at the four corners of the bottom surface of the box body 101. The grooves are connected through a first connecting component and a second connecting component, and the second connecting component is connected with the wheel 102.

[0026] Please refer to Figure 3 , the first connecting component includes a cavity 202. The cavity 202 is arranged at the bottom of the box body 101. A bidirectional lead screw 203 is installed in the cavity 202. One end of the bidirectional lead screw 203 extends out of the cavity 202 and is fixedly connected with an adjusting knob. By rotating the adjusting knob, the bidirectional lead screw 203 rotates. Symmetrically arranged threaded connecting insertion rods 204 are arranged on the bidirectional lead screw 203. The insertion rods 204 are slidably connected with the top surface and the bottom surface of the cavity 202. The insertion rods 204 move towards or away from each other on the bidirectional lead screw 203. The insertion rods 204 are connected with an insertion slot. The insertion slot is arranged in the connecting seat 201. The insertion rods 204 are inserted into the insertion slot to realize the connection between the box body 101 and the connecting seat 201. The bottom surface of the connecting seat 201 is rotatably connected with a second connecting component.

[0027] Please refer to Figures 4 - 5, the second connection component includes a connecting member 206 rotatably connected to the bottom surface of the connection base 201. An arc-shaped groove 207 is provided in the connecting member 206. An arc-shaped slide rail is provided outside the arc-shaped groove 207. The arc-shaped groove 207 is used to place the rotating shaft 103. An arc-shaped block 208 is slidably connected in the arc-shaped slide rail. A tooth 209 is fixedly connected to the outside of the arc-shaped block 208. The tooth 209 meshes with a gear 210. The gear 210 is fixedly connected to a rotating shaft 211. Both ends of the rotating shaft 211 are connected to the connecting member 206 through bearings. A driven wheel is fixedly connected to the rotating shaft 211 and is located behind the gear 210. The driven wheel meshes with a driving wheel. The driving wheel is fixedly connected to one end of a rotating rod. The other end of the rotating rod penetrates through the connecting member 206 and is fixedly connected to a rotating knob. By rotating the rotating knob, the rotating rod drives the driving wheel to rotate. The driving wheel drives the driven wheel to rotate. The driven wheel drives the rotating shaft 211 to rotate. Further, the gear 210 rotates. The gear 210 drives the tooth 209 and the arc-shaped block 208 to rotate, realizing the opening and closing between the arc-shaped block 208 and the arc-shaped groove 207.

[0028] Embodiment 2

[0029] The difference from Embodiment 1 is, please refer to Figure 3 , a positioning block 205 is fixedly connected to the top surface of the connection base 201. A positioning slot adapted thereto is provided at the corresponding position of the groove. The positioning block 205 and the positioning slot are used in cooperation to enable the connection base 201 to be accurately installed.

[0030] Please refer to Figures 4 - 5 , the circular cross-sectional dimension formed by enclosing the arc-shaped groove 207 and the arc-shaped block 208 is adapted to the dimension of the rotating shaft 103, facilitating the placement of the rotating shaft 103 and enabling the rotating shaft 103 to rotate smoothly when the wheel 102 rolls.

[0031] Please refer to Figure 3 , a slide bar is provided in the cavity 202. The slide bar is slidably connected to the insertion rod 204. The provision of the slide bar makes the movement of the insertion rod 204 more stable.

[0032] Please refer to Figure 3 , the insertion rod 204 is adapted to the dimension of the insertion slot provided at the upper end of the connecting member 206.

[0033] Working principle: When installation is required, insert the positioning block 205 into the positioning slot, and rotate the adjustment knob to make the bidirectional lead screw 203 rotate. The insertion rods 204 on it move towards each other and are inserted into the insertion slots of the connection seat 201 to achieve connection. If only the wheel 102 needs to be replaced, rotate the rotary knob to drive the rotary rod to rotate. The rotary rod drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, and the driven wheel drives the rotating shaft 211 to rotate, thereby driving the gear 210 to rotate. Further, the gear 210 drives the arc-shaped block 208 fixedly connected to the teeth 209 to move, so that the arc-shaped block 208 slides away from the opening of the arc-shaped slot 207, and the rotating shaft 103 is taken out therefrom to achieve its replacement. When assembly is required, then put the rotating shaft 103 into it, and then operate in the reverse direction to complete the quick installation.

[0034] As described above, it is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A pull rod box wheel that is convenient for assembly, comprising a box body (101), a wheel (102) and a rotating shaft (103), both ends of the rotating shaft (103) are fixedly connected with the wheel (102), and it is characterized in that, The four corners of the bottom surface of the box body (101) are connected with wheels (102) through a connecting mechanism (200), and the connecting mechanism (200) is used for quickly disassembling and installing the wheels (102); The connecting mechanism (200) includes grooves provided at the four corners of the bottom surface of the box body (101), and the grooves are connected through a first connecting component and a second connecting component, and the second connecting component is connected with the wheels (102); The first connecting component includes a cavity (202), the cavity (202) is provided at the bottom of the box body (101), a bidirectional lead screw (203) is installed in the cavity (202), one end of the bidirectional lead screw (203) extends out of the cavity (202) and is fixedly connected with an adjusting knob, the bidirectional lead screw (203) is symmetrically provided with plugging rods (204) connected by threads, the plugging rods (204) are slidably connected with the top surface and the bottom surface of the cavity (202), the plugging rods (204) are connected with plugging grooves, the plugging grooves are provided in a connecting seat (201), and the bottom surface of the connecting seat (201) is rotatably connected with a second connecting component.

2. The wheel of a suitcase that is easy to assemble according to claim 1, wherein, The second connecting component includes a connecting piece (206) rotatably connected with the bottom surface of the connecting seat (201), an arc-shaped groove (207) is provided in the connecting piece (206), an arc-shaped slide rail is provided outside the arc-shaped groove (207), an arc-shaped block (208) is slidably connected in the arc-shaped slide rail, a tooth (209) is fixedly connected to the outside of the arc-shaped block (208), the tooth (209) is engaged with a gear (210), the gear (210) is fixedly connected with a rotating shaft (211), both ends of the rotating shaft (211) are connected with the connecting piece (206) through bearings, a driven wheel is fixedly connected to the rotating shaft (211) behind the gear (210), the driven wheel is engaged with a driving wheel, one end of a rotating rod is fixedly connected with the driving wheel, and the other end of the rotating rod penetrates through and extends out of the connecting piece (206) and is fixedly connected with a rotating knob.

3. A wheel for a rolling suitcase that is easy to assemble according to claim 2, characterized in that, A positioning block (205) is fixedly connected to the top surface of the connecting seat (201), and a positioning card slot adapted thereto is provided at the corresponding position of the groove.

4. The pull rod box wheel according to claim 2, characterized in that, The circular cross-section size formed by enclosing the arc-shaped groove (207) and the arc-shaped block (208) is adapted to the size of the rotating shaft (103).

5. A wheel for a rolling suitcase that is easy to assemble according to claim 1, characterized in that, A slide bar is provided in the cavity (202), and the slide bar is slidably connected with the plugging rod (204).

6. The pull rod box wheel according to claim 5, which is characterized in that The plugging rod (204) is adapted to the plugging groove provided at the upper end of the connecting piece (206).

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