Adjusting mechanism and trolley
By designing an adjustment mechanism on the trolley, including a limit frame, lifting rod and pulley, the problem of cargo drop is solved, and the safety and stability of cargo during transportation is achieved.
Patent Information
- Application Number
- CN202420307320.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-19
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-02-19
AI Technical Summary
The pallets of traditional trolleys lack limit plates, which causes goods to fall easily when tilted.
An adjustment mechanism is designed, including a limit frame on the surface of the trolley, a lifting rod, a connecting rod, a crossbar, a force block and a pulley. By cooperating the push rod and a spring, the limit frame is lifted and lowered to prevent the cargo from falling. .
Effectively prevent the cargo from falling when the trolley is tilted, and ensure the position of the limit rack is stable through the plug-in of the stable hook to ensure the safe transportation of the cargo.
Smart Images

Figure CN222136772U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of trolleys, in particular to an adjustment mechanism and a trolley. Background Art
[0002] A cart is a transport vehicle that is pushed and pulled by manpower. There are single-wheeled, two-wheeled, three-wheeled and four-wheeled carts. The body of a traditional cart is generally made of wood, while the body of a modern cart is generally made of iron.
[0003] In the prior art, goods are placed on the top of the trolley, and the goods in the trolley are moved by rotating the pulley at the bottom;
[0004] However, since the support plate of the trolley has no limit plate, the goods placed on the surface of the trolley are prone to fall when the trolley is tilted. Utility Model Content
[0005] The purpose of the utility model is to provide an adjustment mechanism and a trolley to solve the problems raised in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustment mechanism, comprising:
[0007] A trolley, a limit frame is provided on the surface of the trolley;
[0008] A lifting rod, a spring is arranged on the surface of the lifting rod, a connecting rod is arranged at the end of the lifting rod, a cross bar is arranged on the surface of the connecting rod, and a force block is arranged on the surface of the cross bar; and
[0009] The pulley is arranged at the bottom of the trolley.
[0010] Preferably, the lifting rod is inserted into the surface of the trolley, the lifting rod can move on the surface of the trolley, one end of the spring is fixed to the surface of the trolley, and the other end is fixed to the surface of the connecting rod.
[0011] Preferably, the connecting rod moves with the lifting rod, the cross rod moves with the connecting rod, and one side of the force-bearing block is inclined.
[0012] Preferably, an extension block is fixed to the bottom of the trolley, a push rod is inserted into the surface of the extension block, the push rod can move inside the extension block, and the end of the push rod is held on the surface of the force-bearing block after moving.
[0013] Preferably, a stabilizing hook is fixed to the end of the pushing rod, and the stabilizing hook moves with the pushing rod. A plug-in hole is provided on the surface of the force-bearing block, and the diameter of the plug-in hole is consistent with the diameter of the stabilizing hook, and the stabilizing hook can be plugged into the plug-in hole.
[0014] A trolley comprises the above-mentioned adjusting mechanism.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] The utility model places goods on the surface of the trolley, and the trolley is moved by the pulley to drive the goods to move, and the pushing rod is pushed so that the end of the pushing rod is plugged into the surface of the force-bearing block, and the force-bearing block and the cross bar are pushed so that the lifting rod is lowered, and the limit frame is driven to lower, which is convenient for loading the goods to the surface of the trolley. After the pushing rod is pulled, the end of the pushing rod is no longer plugged into the surface of the force-bearing block, and the limit frame is raised under the pulling of the spring, and the limit frame plays a role of limiting, preventing the goods from falling, and the stabilizing hook is plugged into the plug hole after the pushing rod moves, so as to stabilize the position of the limit frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0018] Figure 2 It is a three-dimensional structural schematic diagram of another viewing angle of the utility model;
[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above.
[0020] In the figure: a trolley 1, a limit frame 2, a connecting rod 3, a spring 4, a lifting rod 5, a pulley 6, a cross bar 7, an extension block 8, a push rod 9, a stabilizing hook 10, a plug-in hole 11, and a force-bearing block 12. DETAILED DESCRIPTION
[0021] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0022] Example 1: Please refer to Figures 1 to 3 , the utility model provides a technical solution:
[0023] An adjusting mechanism comprises: a trolley 1, a limit frame 2 is arranged on the surface of the trolley 1; a lifting rod 5, a spring 4 is arranged on the surface of the lifting rod 5, a connecting rod 3 is arranged at the end of the lifting rod 5, a cross bar 7 is arranged on the surface of the connecting rod 3, and a force block 12 is arranged on the surface of the cross bar 7; and a pulley 6, which is arranged at the bottom of the trolley 1, pushes the pushing rod 9, so that the end of the pushing rod 9 is inserted into the surface of the force block 12, and the force block 12 and the cross bar 7 are pushed, so that the lifting rod 5 descends, driving the limit frame 2 to descend, so as to facilitate the transportation of goods to the surface of the trolley 1.
[0024] Embodiment 2:
[0025] On the basis of Example 1, the lifting rod 5 is inserted into the surface of the trolley 1, and the lifting rod 5 can move on the surface of the trolley 1. One end of the spring 4 is fixed to the surface of the trolley 1, and the other end is fixed to the surface of the connecting rod 3. The connecting rod 3 moves with the lifting rod 5, and the cross bar 7 moves with the connecting rod 3. One side of the force block 12 is inclined.
[0026] Embodiment three:
[0027] On the basis of Example 2, an extension block 8 is fixed to the bottom of the trolley 1, and a pushing rod 9 is inserted into the surface of the extension block 8. The pushing rod 9 can move inside the extension block 8. After the end of the pushing rod 9 moves, it is supported on the surface of the force block 12. A stabilizing hook 10 is fixed to the end of the pushing rod 9. The stabilizing hook 10 moves with the pushing rod 9. An insertion hole 11 is provided on the surface of the force block 12. The diameter of the insertion hole 11 is consistent with the diameter of the stabilizing hook 10. The stabilizing hook 10 can be inserted into the insertion hole 11. After pulling the pushing rod 9, the end of the pushing rod 9 is no longer inserted into the surface of the force block 12. Under the pull of the spring 4, the limit frame 2 rises, and the limit frame 2 plays a limiting role to prevent goods from falling.
[0028] The specific scheme is as follows: placing the goods on the surface of the trolley 1, moving the trolley 1 through the pulley 6, driving the goods to move, pushing the push rod 9, so that the end of the push rod 9 is inserted into the surface of the force block 12, pushing the force block 12 and the cross bar 7, so that the lifting rod 5 is lowered, driving the limit frame 2 to lower, so as to facilitate the transportation of goods to the surface of the trolley 1, after pulling the push rod 9, the end of the push rod 9 is no longer inserted into the surface of the force block 12, and the limit frame 2 is raised under the pull of the spring 4, and the limit frame 2 plays a role of limiting to prevent the goods from falling, and the stabilizing hook 10 is inserted into the plug hole 11 after the push rod 9 moves, so as to stabilize the position of the limit frame 2.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An adjustment mechanism, characterized in that: include: A trolley (1), wherein a limiting frame (2) is arranged on the surface of the trolley (1); A lifting rod (5), a spring (4) is arranged on the surface of the lifting rod (5), a connecting rod (3) is arranged at the end of the lifting rod (5), a cross bar (7) is arranged on the surface of the connecting rod (3), and a force-bearing block (12) is arranged on the surface of the cross bar (7); and The pulley (6) is arranged at the bottom of the trolley (1).
2. An adjustment mechanism according to claim 1, characterized in that: The lifting rod (5) is plugged into the surface of the trolley (1), and the lifting rod (5) can move on the surface of the trolley (1). One end of the spring (4) is fixed to the surface of the trolley (1), and the other end is fixed to the surface of the connecting rod (3).
3. An adjustment mechanism according to claim 2, characterized in that: The connecting rod (3) moves along with the lifting rod (5), the cross rod (7) moves along with the connecting rod (3), and one side of the force-bearing block (12) is inclined.
4. An adjustment mechanism according to claim 3, characterized in that: An extension block (8) is fixed at the bottom of the trolley (1), a push rod (9) is inserted into the surface of the extension block (8), the push rod (9) can move inside the extension block (8), and the end of the push rod (9) is supported on the surface of the force-bearing block (12) after moving.
5. An adjustment mechanism according to claim 4, characterized in that: A stabilizing hook (10) is fixed to the end of the pushing rod (9), and the stabilizing hook (10) moves along with the pushing rod (9). A plug-in hole (11) is provided on the surface of the force-bearing block (12), and the diameter of the plug-in hole (11) is consistent with the diameter of the stabilizing hook (10), so that the stabilizing hook (10) can be plugged into the plug-in hole (11).
6. A trolley, characterized in that: The invention comprises the adjustment mechanism described in any one of claims 1 to 5.
