Fast-assembly trolley device
By designing quick-release assemblies for the front and rear wheels, and utilizing filler components and frame mounting brackets, the problem of wheel-frame wobbling during connection is solved, improving the user experience.
Patent Information
- Application Number
- CN202422833353.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-20
AI Technical Summary
In existing quick-assembly handcart devices, the connection between the wheels and the frame is prone to wobbling, resulting in a poor user experience.
The design incorporates quick-release assemblies for both the front and rear wheels, and reduces the gap between the wheels and the frame by using filler components and frame mounting structures, thereby enhancing connection stability.
It effectively reduces the wobbling between the wheels and the frame, improving the user experience.
Smart Images

Figure CN223559685U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of trolley devices, in particular to a quick-assembly trolley device. BACKGROUND
[0002] In the current situation of increasingly thriving online shopping, the quick-assembly design is generally adopted in the trolley-related technology, and the trolley is disassembled into multiple parts for packaging and transportation, for example, the wheels are disassembled from the frame. After the user purchases, only quick assembly is needed.
[0003] The quick-assembly design facilitates the packaging and transportation of the trolley, adapts to the existing situation, and is fast and convenient for the user to install.
[0004] However, due to the influence of the quick-assembly design, the wheels are installed on the frame, which may cause the wheels to shake on the frame due to the gap, especially as time goes on, the shaking situation becomes more serious, thereby causing the loosening of the wheel position, and even affecting the user's experience. CONTENT OF THE INVENTION
[0005] The embodiments of the present application aim to at least solve one of the above technical problems, and provide a quick-assembly trolley device to ensure that the wheel position fastening is improved and the user's experience is improved.
[0006] The quick-assembly trolley device provided by the embodiments of the present application adopts the following technical scheme:
[0007] A quick-assembly trolley device,
[0008] The front wheel quick-disassembly group, the frame, and the rear wheel quick-disassembly group are three parts.
[0009] The front wheel fixed shaft is inserted into the frame fixed seat, and the clamping rod clamps the front wheel fixed shaft to form the front wheel quick-disassembly group.
[0010] The front wheel quick-disassembly group is connected to the front end of the frame, and the rear wheel quick-disassembly group is connected to the rear end of the frame.
[0011] Optionally, the frame includes a frame body and a fixing member, the frame body is provided with a first hole; the rear wheel quick-disassembly group includes a filling part, a moving bracket, and a first wheel; the first wheel is connected to the moving bracket, and the filling part is installed inside the moving bracket; the moving bracket is provided with a second hole, and the position of the filling part inside the moving bracket corresponds to the second hole.
[0012] Further, the fixing member is provided with a thread, and the filling part is provided with a thread.
[0013] The rear wheel quick release group is connected to the frame, the first hole position corresponds to the second hole position, and the fixing member is arranged in the first hole and the second hole and connected to the filling component.
[0014] Further, the filling component includes a filling member and a compression member, the compression member is located inside the filling member, the filling member is provided with a third hole, and the compression member is provided with a fourth hole.
[0015] Further, the fourth hole is provided with a thread, and the fixing member is arranged in the first hole, the second hole, the third hole and the fourth hole.
[0016] Optionally, the rear wheel quick release group further includes a clamping block member and a first spring, and the frame is further provided with a fifth hole.
[0017] Further, the frame further includes a second spring, and the frame body is further provided with a sixth hole; the frame fixing seat is located in the frame body, the second spring is located in the sixth hole, the clamping rod is sleeved with the second spring and extends into the frame fixing seat.
[0018] Further, the front wheel quick release group further includes a second wheel, and the second wheel is fixedly connected to the front wheel fixing shaft; the front wheel fixing shaft is provided with an inclined surface and a first vertical surface, one side of the inclined surface is connected to the first vertical surface, and the first vertical surface is provided with a seventh hole.
[0019] Further, the frame fixing seat is provided with a second vertical surface, and the second vertical surface can be provided with an eighth hole.
[0020] Optionally, the front wheel fixing shaft is further provided with a flat surface, and the other side of the inclined surface is connected to the flat surface.
[0021] In summary, the present application includes at least one of the following beneficial technical effects:
[0022] 1. By the design of the filling component, the gap between the wheel and the frame connection is reduced, and the effect of reducing the shaking is achieved.
[0023] 2. By the design of the frame fixing seat, the gap between the wheel and the frame connection is also reduced, the shaking is reduced, and the user experience is improved. BRIEF DESCRIPTION OF DRAWINGS
[0024] Figure 1 is a structure diagram of the quick-mounting handcart device of the embodiment of the present application Figure 1 ;
[0025] Figure 2 is a fracture explosion diagram of the quick-mounting handcart device of the embodiment of the present application Figure 1 ;
[0026] Figure 3 is an explosion schematic diagram of a filling component of the embodiment of the present application;
[0027] Figure 4 is a broken sectional view schematic diagram of the quick-mount trolley device of the embodiment of the present application Figure 1 ;
[0028] Figure 5 is a broken explosion schematic diagram of the quick-mount trolley device of the embodiment of the present application Figure 2 ;
[0029] Figure 6 is a broken sectional view schematic diagram of the quick-mount trolley device of the embodiment of the present application Figure 2 ;
[0030] Figure 7 is a broken structure schematic diagram of the frame of the embodiment of the present application;
[0031] Figure 8 is a structure schematic diagram of the quick-mount trolley device of the embodiment of the present application Figure 2 ;
[0032] Figure 9 is a structure schematic diagram of the quick-mount trolley device of the embodiment of the present application Figure 3 ;
[0033] The reference signs are explained as follows: 1, frame; 11, frame body; 111, first hole; 112, fifth hole; 113, sixth hole; 12, fixing piece; 13, clamping rod; 14, frame fixing seat; 141, second vertical surface; 1411, eighth hole; 15, second spring; 2, rear wheel quick-release group; 21, filling component; 211, filling piece; 2111, third hole; 212, pressing piece; 2121, fourth hole; 22, moving support; 221, second hole; 23, first wheel; 24, clamping block piece; 25, first spring; 3, front wheel quick-release group; 31, front wheel fixing shaft; 311, flat surface; 312, inclined surface; 313, first vertical surface; 3131, seventh hole; 32, second wheel; 4, folding support; 5, container support. DETAILED DESCRIPTION
[0034] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0035] The embodiments of the present application disclose a quick-mount trolley device. Referring to Figures 1-7A kind of fast-mounting trolley device includes frame 1, rear wheel quick-release group 2, front wheel quick-release group 3.Rear wheel quick-release group 2 connects frame 1, and front wheel quick-release group 3 connects frame 1.
[0036] Please further combine Figures 2-4 It can be understood that frame 1 can include frame body 11, fixed part 12, and the first hole 111 is arranged on the frame body 11.The rear wheel quick-release group 2 can include filling component 21, moving bracket 22 and first wheel 23.The first wheel 23 is connected to the moving bracket 22, and the filling component 21 is installed inside the moving bracket 22.The second hole 221 is arranged on the moving bracket 22, and the position of the filling component 21 inside the moving bracket 22 corresponds to the second hole 221.
[0037] When the frame 1 is connected to the rear wheel quick-release group 2, the frame body 11 is connected to the moving bracket 22, the position of the first hole 111 corresponds to the position of the second hole 221, the fixed part 12 is arranged in the first hole 111 and the second hole 221, and the filling component 21 is connected.
[0038] It can be understood that the fixed part 12 can be provided with threads, and the filling component 21 can be provided with threads.The fixed part 12 can drive the filling component 21 to press the moving bracket 22, and the moving bracket 22 is tightly attached to the frame body 11.
[0039] It can be understood that the filling component 21 includes filling part 211 and pressing part 212, and the pressing part 212 is located inside the filling part 211.The third hole 2111 is arranged on the filling part 211, and the fourth hole 2121 is arranged on the pressing part 212.The specific position of the pressing part 212 inside the filling part 211 corresponds to the third hole 2111.
[0040] When the frame 1 is connected to the rear wheel quick-release group 2, the frame body 11 is connected to the moving bracket 22, the position of the first hole 111 corresponds to the position of the second hole 221, the fixed part 12 is arranged in the first hole 111, the second hole 221, the third hole 2111 and the fourth hole 2121, and the frame 1 is connected to the rear wheel quick-release group 2.
[0041] It can be understood that the fourth hole 2121 can be provided with threads.The fixed part 12 is arranged in the fourth hole 2121, the pressing part 212 is moved by rotating the fixed part 12, the pressing part 212 presses the filling part 211, and then the filling component 21 presses the moving bracket 22, and finally the moving bracket 22 is tightly attached to the frame body 11, reducing the shaking of the frame 1 after being connected to the rear wheel quick-release group 2.
[0042] It can be understood that the rear wheel quick release group 2 can also include a clamping block 24, a first spring 25, and the frame 1 is further provided with a fifth hole 112. When the frame 1 is connected with the rear wheel quick release group 2, the frame body 11 is connected with the moving bracket 22, the clamping block 24 is blocked and retracted by the frame body 11 until the clamping block 24 corresponds to the fifth hole 112, and the clamping block 24 is extended out of the fifth hole 112 under the action of the first spring 25. At this time, the position of the first hole 111 corresponds to the position of the second hole 221.
[0043] Please further combine Figures 5-7 It can be understood that the frame 1 can also include a clamping rod 13, a frame fixing seat 14, and a second spring 15, and the frame body 11 is further provided with a sixth hole 113. The frame fixing seat 14 is located in the frame body 11, the second spring 15 is located in the sixth hole 113, the clamping rod 13 is sleeved with the second spring 15 and extends into the frame fixing seat 14.
[0044] The front wheel quick release group 3 can include a front wheel fixing shaft 31 and a second wheel 32, and the second wheel 32 is fixedly connected with the front wheel fixing shaft 31. The front wheel fixing shaft 31 can be provided with a plane 311, an inclined surface 312, and a first vertical surface 313, one side of the inclined surface 312 is connected with the first vertical surface 313, and the other side is connected with the plane 311. The first vertical surface 313 is provided with a seventh hole 3131. The frame fixing seat 14 can be provided with a second vertical surface 141, and the second vertical surface 141 can be provided with an eighth hole 1411.
[0045] The front wheel quick release group 3 is connected with the frame 1, the front wheel fixing shaft 31 corresponds to the frame fixing seat 14, the first vertical surface 313 corresponds to the second vertical surface 141, and the inclined surface 312 facilitates the connection of the front wheel fixing shaft 31 with the frame fixing seat 14. At the same time, when the inclined surface 312 enters the frame fixing seat 14, the clamping rod 13 is pressed away from the frame body 11 until the seventh hole 3131 corresponds to the clamping rod 13, and under the action of the second spring 15, the clamping rod 13 passes through the eighth hole 1411 and extends into the seventh hole 3131. The clamping rod 13 fixes the front wheel quick release group 3.
[0046] The arrangement of the second vertical surface 141 can limit the direction when the front wheel quick release group 3 is connected with the frame 1, and can ensure that the clamping rod 13 corresponds to the seventh hole 3131. The arrangement of the frame fixing seat 14 reduces the gap between the front wheel quick release group 3 and the frame 1, and reduces the shaking.
[0047] Please further combine Figures 8-9 It can be understood that the quick-release handcart device can also include a folding bracket 4 and a container bracket 5, the folding bracket 4 is connected with the frame 1, the folding bracket 4 can facilitate the folding of the quick-release handcart device and reduce the space occupation. The container bracket 5 is connected with the folding bracket 4, and the container bracket 5 facilitates the user to store articles.
[0048] It can be understood that the container support 5 is a preferred scheme of the embodiment of the application, and in fact, the container support 5 can also be cancelled, and the embodiment of the application does not make specific limitation.
[0049] To sum up, the application provides a quick-mounting trolley device, which satisfies the effect of reducing the gap between the wheel and the frame connection and reducing the shaking through the filling component design; through the design of the frame fixing seat, the effect of reducing the gap between the wheel and the frame connection, reducing the shaking and improving the user experience can also be achieved.
[0050] The above is only the embodiment of the application, and does not limit the patent scope of the application, and any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the application.
Claims
1. A quick-assembly handcart device, characterized in that: The vehicle consists of three parts: a front wheel quick-release assembly (3), a frame (1), and a rear wheel quick-release assembly (2). The front wheel fixing axle (31) is inserted into the frame fixing seat (14), and the locking rod (13) locks the front wheel fixing axle (31) to form the front wheel quick release assembly (3); The front wheel quick-release assembly (3) is connected to the front end of the frame (1), and the rear wheel quick-release assembly (2) is connected to the rear end of the frame (1). The rear wheel quick-release assembly (2) includes a filling component (21), a movable bracket (22), and a first wheel (23); the first wheel (23) is connected to the movable bracket (22), and the filling component (21) is installed inside the movable bracket (22); the movable bracket (22) is provided with a second hole (221), and the position of the filling component (21) inside the movable bracket (22) corresponds to the second hole (221).
2. The quick-assembly handcart device according to claim 1, characterized in that: The frame (1) includes a frame body (11) and a fastener (12), and the frame body (11) is provided with a first hole (111).
3. The quick-assembly handcart device according to claim 2, characterized in that: The fastener (12) is threaded, and the filling component (21) is threaded; The rear wheel quick-release assembly (2) is connected to the frame (1). The position of the first hole (111) corresponds to the position of the second hole (221). The fastener (12) passes through the first hole (111) and the second hole (221) and is connected to the filling component (21).
4. The quick-assembly handcart device according to claim 3, characterized in that: The filling component (21) includes a filling element (211) and a pressing element (212), wherein the pressing element (212) is located inside the filling element (211); the filling element (211) is provided with a third hole (2111), and the pressing element (212) is provided with a fourth hole (2121); the position of the pressing element (212) corresponds to the third hole (2111).
5. The quick-assembly handcart device according to claim 4, characterized in that: The fourth hole (2121) is threaded, and the fastener (12) passes through the first hole (111), the second hole (221), the third hole (2111), and the fourth hole (2121).
6. The quick-assembly handcart device according to claim 2, characterized in that: The rear wheel quick-release assembly (2) also includes a locking block (24) and a first spring (25), and the frame (1) is also provided with a fifth hole (112).
7. The quick-assembly handcart device according to claim 6, characterized in that: The frame (1) also includes a second spring (15), and the frame body (11) is also provided with a sixth hole (113); the frame fixing seat (14) is located inside the frame body (11), the second spring (15) is located inside the sixth hole (113), and the locking rod (13) is sleeved on the second spring (15) and extends into the frame fixing seat (14).
8. The quick-assembly handcart device according to claim 7, characterized in that: The front wheel quick-release assembly (3) also includes a second wheel (32), which is fixedly connected to the front wheel fixed axle (31). The front wheel fixed axle (31) is provided with an inclined surface (312) and a first vertical surface (313). One side of the inclined surface (312) is connected to the first vertical surface (313), and the first vertical surface (313) is provided with a seventh hole (3131).
9. A quick-assembly handcart device according to claim 8, characterized in that: The frame mounting base (14) is provided with a second vertical surface (141), and an eighth hole (1411) may be provided on the second vertical surface (141).
10. A quick-assembly handcart device according to claim 8, characterized in that: The front wheel fixed axle (31) is also provided with a plane (311), and the other side of the inclined plane (312) is connected to the plane (311).