Steel-plastic combined flat-plate trolley

Through the combination of steel and plastic design, the combination of iron plates and plastic brackets is used to solve the problems of unsatisfactory load-bearing and high cost in existing flat-panel trolleys, and the flexibility of use is improved through the removable handle structure.

CN222832862UActive Publication Date: 2025-05-06LANGFANG MINGTU HARDWARE & PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202421656648.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-05-06
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

The existing flat-panel trolleys have poor load bearing and high cost. The handle and trolley are fixed in one, making it difficult to disassemble and maintain, reducing flexibility.

Method used

The steel-plastic design is adopted, and the iron plate is used as the load-bearing part. The plastic bracket and the iron plate are connected by rivets. A detachable handle is provided, and the handle is easily disassembled and assembled through connecting blocks, slots and other structures.

Benefits of technology

It realizes a lower cost and stronger load-bearing flat-panel trolley, and the disassembly and assembly process of the handle is simplified, improving the flexibility of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel-plastic combined flat trolley which comprises an iron plate, a fixing groove is formed in the bottom of the iron plate, a plastic support is arranged on the inner wall of the fixing groove, the plastic support and the iron plate are connected through rivets, a detachable handle is arranged above the iron plate, and the steel-plastic combined flat trolley further comprises a concave block. The two concave blocks are installed on the front side and the rear side of the top of the plastic support respectively, through grooves are formed in the positions, corresponding to the concave blocks, of the top of the iron plate, and the tops of the concave blocks penetrate through the through grooves and extend out of the through grooves. According to the steel-plastic combined flat plate trolley, the iron plate, the fixing grooves, the plastic supports, the handles, the concave blocks, the through grooves, the idler wheels, the limiting grooves and the supporting blocks are matched with one another, the steel-plastic combined flat plate trolley is achieved, plastic has the effects of being not prone to deformation, corrosion and rusting, the iron plate has the effects of being resistant to collision and exposure to the sun, and therefore cost is lower, and bearing capacity is higher.
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Description

Technical Field

[0001] The utility model relates to the technical field of flatbed trolleys, in particular to a steel-plastic combined flatbed trolley. Background Art

[0002] Flatbed trolleys are widely used in factories and warehouses. They are used to transport smaller materials in various factories, warehouses, shopping malls and other places.

[0003] According to the application number: CN201721223881.9, a flatbed trolley belongs to the field of daily necessities, including armrests, a flatbed and four universal wheels arranged at the bottom of the flatbed. The front end of the flatbed is provided with a groove that runs across the flatbed, and the rear end of the flatbed is provided with a protruding part that fits with the groove. The center of the groove at the front end of the flatbed and the midpoint of the protruding part at the rear end of the flatbed are respectively provided with holes of the same size.

[0004] The flatbed trolley in the above case is an integrally formed plate, which not only has poor load-bearing properties but also has a high cost. At the same time, the handle and the trolley are fixed as one, which makes it inconvenient to remove the handle for maintenance or replacement later, reducing flexibility during use. Utility Model Content

[0005] The purpose of the utility model is to provide a steel-plastic combined flatbed trolley to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a steel-plastic combined flatbed trolley, comprising an iron plate, a fixing groove is provided at the bottom of the iron plate, a plastic bracket is provided on the inner wall of the fixing groove, the plastic bracket and the iron plate are connected by rivets, and a detachable handle is provided on the top of the iron plate.

[0007] Preferably, it also includes concave blocks, wherein the number of the concave blocks is two and they are respectively installed on the front and rear sides of the top of the plastic bracket, and a through groove is opened on the top of the iron plate and corresponds to the position of the concave block, and the top of the concave block passes through the through groove and extends to the outside thereof.

[0008] Preferably, a connecting block is provided at the bottom of the inner wall of the recessed block, the tops of the two connecting blocks are fixedly connected to the bottom of the handle, a slot is provided at the bottom of the connecting block, an insert block is installed at the bottom of the inner wall of the recessed block, and the top of the insert block passes through the slot and extends to the inside to contact the inner wall of the slot.

[0009] Preferably, a moving block is provided inside the recessed block, a clamping block is installed on the side of the moving block close to the connecting block, a clamping slot is provided on the side of the connecting block close to the clamping block, and the side of the clamping block close to the clamping slot penetrates the clamping slot and extends to its interior to contact the inner wall of the clamping slot.

[0010] Preferably, a threaded rod threadedly connected to the concave block is rotatably connected in the groove on the side of the moving block away from the connecting block through a bearing, and one end of the threaded rod away from the connecting block passes through the concave block and extends to the outside where a rotating block is installed.

[0011] Preferably, two positioning rods are installed on the side of the movable block away from the connecting block, and positioning grooves are opened on the inner wall of the recessed block and corresponding to the positions of the positioning rods. One end of the positioning rod close to the positioning groove passes through the positioning groove and extends to the inside to contact the inner wall of the positioning groove.

[0012] Preferably, rollers are provided on both the front and rear sides of the bottom of the plastic bracket, two limiting grooves are installed on the left side of the bottom of the plastic bracket, and support blocks are provided inside the limiting grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model realizes a steel-plastic combined flatbed trolley through the mutual cooperation of iron plates, fixing grooves, plastic brackets, handles, concave blocks, through grooves, rollers, limit grooves and support blocks. The plastic is not easy to deform, corrode or rust, and the iron plate is not afraid of bumps or exposure, which makes the cost lower and the load-bearing capacity stronger.

[0015] 2. The utility model facilitates the disassembly and assembly of the handle through the mutual cooperation of the connecting block, the slot, the insert block, the moving block, the clamping block, the clamping slot, the threaded rod, the rotating block, the positioning rod and the positioning slot, making the disassembly and assembly process simple and convenient, and facilitating the maintenance and replacement of the handle, thereby improving the flexibility during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a bottom view of the utility model;

[0018] Figure 3 It is a structural cross-sectional view of the front view of the utility model;

[0019] Figure 4 It is a structural cross-sectional view of the side view of the concave block, connecting block, slot, clamping block and positioning groove of the utility model.

[0020] In the figure: 1 iron plate, 2 fixing groove, 3 plastic bracket, 4 handle, 5 concave block, 6 through groove, 7 connecting block, 8 slot, 9 insert block, 10 moving block, 11 clamping block, 12 clamping groove, 13 threaded rod, 14 rotating block, 15 positioning rod, 16 positioning groove, 17 roller, 18 limit groove, 19 support block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 A steel-plastic combined flatbed trolley comprises an iron plate 1, a fixing groove 2 is provided at the bottom of the iron plate 1, a plastic bracket 3 is provided on the inner wall of the fixing groove 2, the plastic bracket 3 and the iron plate 1 are connected by rivets, and a detachable handle 4 is provided above the iron plate 1.

[0023] Furthermore, through the cooperation between the iron plate 1 and the plastic bracket 3, the overall appearance is more beautiful, and the rivet fixation improves the stability of the connection between the plastic bracket 3 and the iron plate 1, thereby improving the overall stability of the trolley.

[0024] Rollers 17 are provided on the front and rear sides of the bottom of the plastic bracket 3. Two limiting grooves 18 are fixedly connected to the left side of the bottom of the plastic bracket 3. A support block 19 is provided inside the limiting groove 18. The bottom of the support block 19 passes through the limiting groove 18 and extends to the outside thereof. The surface of the support block 19 is fixedly connected to the inner wall of the limiting groove 18. By providing the support block 19, when the trolley is not in use, the support block 19 is in contact with the ground, thereby improving the stability of the trolley.

[0025] Through the mutual cooperation of the iron plate 1, the fixing groove 2, the plastic bracket 3, the handle 4, the concave block 5, the through groove 6, the roller 17, the limit groove 18 and the support block 19, a steel-plastic combined flatbed trolley is realized, and the plastic has the effects of being not easy to deform, corrode and rust, and the iron plate 1 is not afraid of bumps or exposure to the sun, so that the cost is lower and the load-bearing capacity is stronger.

[0026] It also includes a recessed block 5, which is two in number and is respectively installed on the front and rear sides of the top of the plastic bracket 3. A through slot 6 is provided at the top of the iron plate 1 and at the position corresponding to the recessed block 5. The top of the recessed block 5 passes through the through slot 6 and extends to the outside thereof. A connecting block 7 is provided at the bottom of the inner wall of the recessed block 5. The side of the connecting block 7 close to the inner wall of the recessed block 5 contacts the inner wall of the recessed block 5. The tops of the two connecting blocks 7 are fixedly connected to the bottom of the handle 4. A slot 8 is provided at the bottom of the connecting block 7. An inserting block 9 is fixedly connected to the bottom of the inner wall of the recessed block 5. The top of the inserting block 9 passes through the slot 8 and extends to the inside thereof and contacts the inner wall of the slot 8. A moving block 10 is arranged inside the recessed block 5, and the side of the moving block 10 close to the connecting block 7 is in contact with the connecting block 7, and a clamping block 11 is fixedly connected to the side of the moving block 10 close to the connecting block 7. A clamping groove 12 is provided on the side of the connecting block 7 close to the clamping block 11, and the side of the clamping block 11 close to the clamping groove 12 penetrates the clamping groove 12 and extends to the inside thereof and contacts with the inner wall of the clamping groove 12. A threaded rod 13 threadedly connected to the recessed block 5 is rotatably connected in the groove on the side of the moving block 10 away from the connecting block 7 through a bearing, and the end of the threaded rod 13 away from the connecting block 7 penetrates the recessed block 5 and extends to the outside thereof and is fixedly connected to a rotating block 14.

[0027] Two positioning rods 15 are fixedly connected to the side of the moving block 10 away from the connecting block 7. A positioning groove 16 is opened on the inner wall of the recessed block 5 and corresponds to the position of the positioning rod 15. One end of the positioning rod 15 close to the positioning groove 16 passes through the positioning groove 16 and extends to the inside of the positioning groove 16 to contact the inner wall of the positioning groove 16. By setting the positioning groove 16 and the positioning rod 15, the stability of the moving block 10 during movement is improved.

[0028] Specifically, the rotating block 14 is rotated, and the rotating block 14 drives the threaded rod 13 to rotate. The threaded rod 13 drives the moving block 10 to move away from the connecting block 7. The moving block 10 drives the clamping block 11 to move away from the clamping slot 12, so that the clamping block 11 and the clamping slot 12 are separated. Then, the handle 4 can be pulled upward, and the handle 4 drives the connecting block 7 to move upward, so that the slot 8 and the insert block 9 are separated, and the handle 4 can be removed.

[0029] Through the mutual cooperation of the connecting block 7, the slot 8, the inserting block 9, the moving block 10, the clamping block 11, the clamping slot 12, the threaded rod 13, the rotating block 14, the positioning rod 15 and the positioning slot 16, the disassembly and assembly operation of the handle 4 is convenient, making the disassembly and assembly process simple and convenient, and the maintenance and replacement of the handle 4 is convenient, thereby improving the flexibility during use.

[0030] When in use, the entire trolley can be driven to move through the handle 4 and the roller 17.

[0031] 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. A steel-plastic combined flatbed trolley, characterized in that: The invention comprises an iron plate (1), wherein a fixing groove (2) is provided at the bottom of the iron plate (1), a plastic bracket (3) is provided on the inner wall of the fixing groove (2), the plastic bracket (3) and the iron plate (1) are connected by rivets, and a detachable handle (4) is provided above the iron plate (1).

2. The steel-plastic combined flatbed trolley according to claim 1, characterized in that: It also includes a recessed block (5), wherein the recessed blocks (5) are two in number and are respectively mounted on the front and rear sides of the top of the plastic bracket (3); a through groove (6) is provided on the top of the iron plate (1) and at a position corresponding to the recessed block (5); the top of the recessed block (5) passes through the through groove (6) and extends to the outside thereof.

3. The steel-plastic combined flatbed trolley according to claim 2, characterized in that: A connecting block (7) is provided at the bottom of the inner wall of the recessed block (5), the tops of the two connecting blocks (7) are fixedly connected to the bottom of the handle (4), a slot (8) is provided at the bottom of the connecting block (7), an inserting block (9) is installed at the bottom of the inner wall of the recessed block (5), the top of the inserting block (9) passes through the slot (8) and extends to the inside thereof to contact the inner wall of the slot (8).

4. The steel-plastic combined flatbed trolley according to claim 3, characterized in that: A moving block (10) is arranged inside the recessed block (5); a clamping block (11) is installed on a side of the moving block (10) close to the connecting block (7); a clamping groove (12) is provided on a side of the connecting block (7) close to the clamping block (11); and a side of the clamping block (11) close to the clamping groove (12) penetrates the clamping groove (12) and extends to the inside thereof to contact the inner wall of the clamping groove (12).

5. The steel-plastic combined flatbed trolley according to claim 4, characterized in that: A threaded rod (13) threadedly connected to the recessed block (5) is rotatably connected in a groove on the side of the moving block (10) away from the connecting block (7) via a bearing; one end of the threaded rod (13) away from the connecting block (7) passes through the recessed block (5) and extends to the outside thereof where a rotating block (14) is mounted.

6. The steel-plastic combined flatbed trolley according to claim 5, characterized in that: Two positioning rods (15) are installed on the side of the moving block (10) away from the connecting block (7); positioning grooves (16) are provided on the inner wall of the recessed block (5) at positions corresponding to the positioning rods (15); one end of the positioning rod (15) close to the positioning groove (16) passes through the positioning groove (16) and extends to the inside thereof to contact the inner wall of the positioning groove (16).

7. The steel-plastic combined flatbed trolley according to claim 1, characterized in that: Rollers (17) are arranged on both the front and rear sides of the bottom of the plastic bracket (3), two limiting grooves (18) are installed on the left side of the bottom of the plastic bracket (3), and support blocks (19) are arranged inside the limiting grooves (18).

Citation Information

Patent Citations

  • Dull and stereotyped handcart

    CN207523741U