Trolley wheel convenient to disassemble

Abstract

At least two sets of caliper grooves are formed in the positions, making contact with the side walls of a first wheel carrier and a second wheel carrier, of a first wheel axle and a second wheel axle, a sliding groove is formed in the position, close to the position penetrated by the first wheel axle, of the side wall of the first wheel carrier, calipers are arranged in the sliding groove, and jaws at the two ends of the calipers are clamped in the caliper grooves. By changing the fixing mode of the wheel axle, the wheel axle can be quickly disassembled, so that the purpose of conveniently disassembling the wheel is achieved, the working steps of an operator are reduced, and the operator can disassemble the wheel without the assistance of a tool.

Description

Technical Field

[0001] The utility model relates to the technical field of trolleys, in particular to a conveniently detachable wheel for a trolley. Background Art

[0002] A handcart is a transport vehicle that can be pushed or pulled by humans, and it is the ancestor of all vehicles. Although handcart material handling technology continues to advance, handcarts remain an indispensable tool for transporting materials. Handcarts are widely used in production and daily life because they are low-cost, easy to maintain, convenient to operate, and lightweight. They can be used in places where motor vehicles are inconvenient, and are very convenient for transporting light items over short distances.

[0003] During routine maintenance of the trolley, the wheels may need to be disassembled, which requires a more complicated disassembly. It is not possible to add a mechanism so that the staff can quickly disassemble the trolley wheels without the assistance of tools without affecting the structural stability. Summary of the Invention

[0004] The utility model provides a conveniently detachable wheel for a trolley, so as to solve the problem that the wheel of the trolley is difficult to detach by hand.

[0005] In response to the above problems, a conveniently detachable wheel for a handcart is provided, characterized in that it includes a first wheel axle, a second wheel axle, a first wheel frame, a second wheel frame, a first top cover, a second top cover, a wheel and a connecting shaft, the first wheel frame and the second wheel frame are bolted together, the first wheel axle passes through the side wall of the first wheel frame, the second wheel axle passes through the side wall of the second wheel frame, the first wheel axle and the second wheel axle are inserted into a cavity formed by the first wheel frame and the second wheel frame, at least two groups of caliper grooves are provided at the contact positions of the first wheel axle and the second wheel axle with the side walls of the first wheel frame and the second wheel frame, a sliding groove is provided on the side wall of the first wheel frame near the position passed through by the first wheel axle, a caliper is provided in the sliding groove, jaws at both ends of the caliper pass through the side wall of the slot and are engaged in the caliper groove, at least two groups of rubber columns are provided on the end of the caliper away from the jaws, at least two groups of guide columns are threadedly connected to the side wall of the caliper, and the guide columns pass through the first wheel frame, at least two groups of guide grooves cooperating with the guide columns are provided on the side wall of the first wheel frame, and the sliding groove is connected to a rope rail at a position away from the first wheel axle.

[0006] Preferably, the side wall of the connection position between the first axle and the second axle is movably connected with the swing switch, and the bottom groove of the swing switch is connected to the rope rail.

[0007] Preferably, the caliper is fixedly connected to a steel wire rope away from the surface of the first wheel axle, and the other end of the steel wire rope is fixedly connected to the bottom of the swing switch along a rope rail.

[0008] Preferably, the first wheel frame and the second wheel frame have the same internal structure, and the steel wire ropes are both fixedly connected to the bottom of the swing switch.

[0009] Preferably, a rotating shaft is provided at the contact position between the top of the first top cover and the second top cover.

[0010] Preferably, the contact position between the rubber column and the sliding groove needs to be rounded.

[0011] Preferably, the first top cover bolt is connected to the top of the first wheel frame, and the second top cover bolt is connected to the top of the second wheel frame.

[0012] Preferably, wheels are provided on outer surfaces of the first axle and the second axle.

[0013] In summary, the beneficial effects of the present invention are:

[0014] The utility model changes the original wheel frame structure, adds structures such as calipers, and changes the way the first wheel axle and the second wheel axle are fixed to the first wheel frame and the second wheel frame, so that the operator can pull the swing switch with one hand, so that the steel wire rope fixedly connected to the bottom of the swing switch pulls the caliper to move the entire caliper, and the jaws slide out of the jaw slot and the first wheel axle and the second wheel axle are pulled out at the same time, so that the wheel can be disassembled, which solves the problem of the cumbersome and time-consuming wheel disassembly process and reduces the workload of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the caliper structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the swing switch and axle structure of the utility model.

[0018] In the figure: 1. Wheel; 211. First wheel frame; 212. First top cover; 213. Sliding groove; 214. Rope track; 221. Second wheel frame; 222. Second top cover; 311. First wheel axle; 3111. Caliper groove; 321. Second wheel axle; 411. Caliper; 4111. Jaw; 412. Rubber column; 413. Wire rope; 421. Guide column; 422. Guide groove; 5. Swing switch; 6. Rotating shaft. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions, and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments. Although exemplary embodiments are disclosed in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to facilitate a more thorough understanding of the present invention and to fully convey the concept of the present invention to those skilled in the art.

[0020] In the description of this specification, the description with reference to the terms "certain embodiments", "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and features of different embodiments or examples, unless they are contradictory.

[0021] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The term "plurality" refers to two or more, unless expressly limited otherwise. Terms such as "installed," "connected," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean fixed, removable, or integral; "connected" can mean directly or indirectly through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0022] See also Figure 1 As shown, the first wheel frame 211 is bolted to the second wheel frame 221, the first wheel axle 311 passes through the side wall of the first wheel frame 211, and the second wheel axle 321 passes through the side wall of the second wheel frame 221. The first wheel axle 311 and the second wheel axle 321 are inserted into the cavity formed by the first wheel frame 211 and the second wheel frame 221.

[0023] See also Figure 2As shown, at least two groups of caliper grooves 3111 are provided at the contact positions of the first wheel axle 311 and the second wheel axle 321 with the side walls of the first wheel frame 211 and the second wheel frame 221, and a sliding groove 213 is provided on the side wall of the first wheel frame 211 near the position penetrated by the first wheel axle 311, and a caliper 411 is provided in the sliding groove 213, and the jaws 4111 at both ends of the caliper 411 penetrate the side wall of the sliding groove 213 and are engaged in the caliper groove 3111, and at least two groups of rubber columns 412 are provided at the end of the caliper 411 away from the jaws 4111, and at least two groups of guide columns 421 are threadedly connected to the side wall of the caliper 411, and the guide columns 421 penetrate the first wheel frame 211, and the side wall of the first wheel frame 211 is provided with at least two groups of guide grooves 422 that cooperate with the guide columns 421, and the sliding groove 213 is connected with a rope rail 214 at a position away from the first wheel axle 311.

[0024] Furthermore, the contact position between the rubber column 412 and the sliding groove 213 needs to be rounded.

[0025] See also Figure 3 As shown, a swing switch 5 is movably connected to the side wall of the connection position between the first wheel axle 311 and the second wheel axle 321 , and the bottom groove of the swing switch 5 is connected to the rope rail 214 .

[0026] See also Figure 2-3 As shown, the caliper 411 is fixedly connected to a steel wire rope 413 away from the surface of the first wheel shaft 311 , and the other end of the steel wire rope 413 is guided along the rope track 214 and fixedly connected to the bottom of the swing switch 5 .

[0027] Furthermore, the first wheel frame 211 and the second wheel frame 221 have the same internal structure, and the steel wire rope 413 is fixedly connected to the bottom of the swing switch 5.

[0028] See also Figure 1 As shown in FIG3 , a rotating shaft 6 is provided at the contact position between the first top cover 212 and the second top cover 222 .

[0029] Furthermore, the first top cover 212 is bolted to the top of the first wheel frame 211 , and the second top cover 222 is bolted to the top of the second wheel frame 221 .

[0030] Furthermore, wheels 1 are provided on the outer surfaces of the first axle 311 and the second axle 321 .

[0031] In actual application, when installing the wheel 1, the wheel 1 is placed in the cavity of the first wheel frame 211 and the second wheel frame 222 so that the hole of the wheel 1 is aligned with the preset hole on the side wall of the first wheel frame 211 and the second wheel frame 222. After pulling the swing switch 5, the swing switch 5 pulls the wire rope 413 so that the wire rope 413 pulls the caliper 411 to retract. At the same time, the first wheel axle 311 and the second rotating shaft 321 are plugged in and passed through the first wheel frame 211, the wheel 1 hole and the second wheel frame 222 respectively. The swing switch 5 is released to allow the rubber column 412 to push the caliper 411 back into place. At the same time, the first wheel axle 311 and the second rotating shaft 321 are appropriately rotated until the jaws 4111 of the caliper 411 enter the caliper groove 3111 to complete the fixation, thereby completing the installation and fixation of the wheel 1.

[0032] When the wheel 1 needs to be removed, the swing switch 5 is pulled. After the swing switch 5 is pulled, the swing switch 5 pulls the wire rope 413, so that the wire rope 413 pulls the caliper 411 to retract. After the jaws 4111 leave the caliper groove 3111, the first wheel axle 311 and the second rotating shaft 321 are pulled out at the same time, thereby completing the removal of the wheel 1, solving the problem of the tedious and time-consuming process of removing the wheel 1 and reducing the workload of the operator.

[0033] Finally, it should be noted that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that modifications or equivalent substitutions to the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention and are intended to be encompassed by the claims of the present invention.

Claims

1. A conveniently detachable wheel for a trolley, characterized in that: The invention comprises a first wheel axle (311), a second wheel axle (321), a first wheel frame (211), a second wheel frame (221), a first top cover (212), a second top cover (222), a wheel (1) and a connecting shaft, wherein the first wheel frame (211) and the second wheel frame (221) are fixedly connected, the first wheel axle (311) passes through the side wall of the first wheel frame (211), the second wheel axle (321) passes through the side wall of the second wheel frame (221), the first wheel axle (311) and the second wheel axle (321) are movably connected in a cavity formed by the first wheel frame (211) and the second wheel frame (221), at least two groups of caliper grooves (3111) are provided at the contact positions between the first wheel axle (311) and the second wheel axle (321) and the side walls of the first wheel frame (211) and the second wheel frame (221), and the first wheel frame (2 11) A sliding groove (213) is provided on the side wall near the position penetrated by the first wheel axle (311), a caliper (411) is provided in the sliding groove (213), the jaws (4111) at both ends of the caliper (411) are engaged in the caliper groove (3111), a swing switch (5) is movably connected to the side wall of the connection position of the first wheel axle (311) and the second wheel axle (321), the bottom groove of the swing switch (5) is connected to the rope track (214), the caliper (411) is fixedly connected to the surface of the first wheel axle (311), the other end of the steel wire rope (413) is fixedly connected to the bottom of the swing switch (5) along the rope track (214), the first wheel frame (211) and the second wheel frame (221) have the same internal structure, and the steel wire rope (413) is fixedly connected to the bottom of the swing switch (5).

2. The conveniently detachable wheel for a trolley according to claim 1, characterized in that: At least two groups of rubber columns (412) are provided at one end of the caliper (411) away from the jaws (4111), at least two groups of guide columns (421) are fixedly connected to the side wall of the caliper (411), and the guide columns (421) pass through the first wheel frame (211), at least two groups of guide grooves (422) that cooperate with the guide columns (421) are provided on the side wall of the first wheel frame (211), and the sliding groove (213) is connected to a rope rail (214) at a position away from the first wheel axle (311).

3. The conveniently detachable wheel for a trolley according to claim 1, characterized in that: A rotating shaft (6) is provided at the contact position between the top of the first top cover (212) and the top of the second top cover (222).

4. The conveniently detachable wheel for a trolley according to claim 1, characterized in that: The first top cover (212) is fixedly connected to the top of the first wheel frame (211), the second top cover (222) is fixedly connected to the top of the second wheel frame (221), and wheels (1) are provided on the outer surfaces of the first wheel axle (311) and the second wheel axle (321).

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