Anti-theft six-face trolley

Abstract

The utility model belongs to the technical field of trolleys, and particularly relates to an anti-theft six-face trolley. An anti-theft six-face trolley comprises a frame defined by side pieces, a rear portion, a base, a front door and an upper cover, a traction frame and a trundle set. The front door is divided into an upper section and a lower section; magnets are installed on the inner sides of the side pieces through bolts, the upper cover is of a sliding structure, sliding rails and limiting grooves are formed in the two sides of the base, and when the upper cover slides beyond 1 / 2 stroke, the upper cover automatically slides to the limiting grooves due to gravity; the front end of the traction frame is provided with a connecting hook, and the rear end of the traction frame is provided with a torsion spring; a rubber shock absorber is arranged at the contact part of the rear part and the upper cover; hooks are arranged inside the front door; the trundle set comprises a universal wheel and a directional wheel and is connected with the base through a rotating shaft. Multiple trolleys can be connected in series, the transportation efficiency is high, the anti-theft performance is good, the split structure is adopted, and the size can be adjusted in a self-adaptive mode.

Description

Technical Field

[0001] This invention belongs to the field of trolley technology, specifically relating to an anti-theft six-sided trolley. Background Technology

[0002] A trolley is a mobile device that can be customized to meet the needs of different scenarios, and is mainly used for transportation, work support or equipment integration.

[0003] Existing trolleys have significant drawbacks in transporting and storing goods: First, the efficiency of a single trolley is low, and multiple trolleys cannot be connected in series, resulting in time-consuming and labor-intensive large-scale cargo transfers; second, the front door design of traditional trolleys is simple, easily causing cargo spillage when opened, and lacks a split-type security structure; third, the lock installation method is simple, with insufficient anti-theft performance, resulting in a high risk of cargo loss; fourth, the fixed size cannot be flexibly adjusted, and it occupies a large space for storage and transportation. Furthermore, the top cover of existing trolleys is mostly fixed or manually opened, which is inconvenient to operate and poses safety hazards; accidental collisions of the top cover may lead to accidents. Although some products have attempted to improve the traction structure, they lack an automatic retraction device, and the traction frame occupies extra space when idle. Background technology indicates an urgent need for a six-sided trolley with efficient series connection capability, a split-type door structure, adaptive volume adjustment, and multiple anti-theft structures to address the shortcomings in efficiency, security, and flexibility in existing technologies. Summary of the Invention

[0004] To address the problems of low transportation efficiency, inability to tandem multiple trolleys, lack of a split-type safety structure, insufficient anti-theft performance, and inability to adaptively adjust size in existing trolley technologies, this invention proposes a semi-aluminum traction and braking trolley, characterized by comprising:

[0005] The main frame includes: a first side panel, a second side panel, a rear panel, a base, and an aluminum core; one side of the first side panel is connected to one side of the base, and the other side of the first side panel is connected to one side of the rear panel; one side of the second side panel is connected to one side of the base, and the other side of the second side panel is connected to one side of the rear panel; one side of the rear panel is connected to one side of the base; the first side panel, second side panel, rear panel, and base form a semi-enclosed frame structure; the aluminum core is set on the base as a supporting base plate; the length of the side of the first side panel and the second side panel connected to the base is less than the length of the side of the base to which they are connected; a forklift opening is provided at the bottom of the base; casters are provided on the edge of the bottom of the base; a handle is provided in the middle of the outer side of the rear panel; and a connecting hole is provided on one side of the base.

[0006] The traction device includes a traction frame installed on one side of the base where the rear section is connected to the base; the traction frame is equipped with a hook, and the front end of the traction frame is equipped with a detachable connection mechanism, which can be inserted into the connection hole of other trolleys to realize the series connection of multiple trolleys.

[0007] A braking device is located at the bottom of the traction device; it includes: a brake pad that cooperates with the caster, and a brake handle hinged thereto; the brake handle controls the contact pressure between the brake pad and the caster hub;

[0008] Limiting component: The limiting component includes a roller shutter box; the roller shutter box is vertically arranged on one vertical edge of the first side panel, and a pull-out roller shutter is installed inside the roller shutter box. A roller shutter hook is installed on the second side panel, and the pull-out roller shutter can be fixed to the second side panel by the roller shutter hook after it is extended.

[0009] According to the above-described semi-aluminum traction brake trolley, the dimensions of the forklift opening conform to ISO 2331 standard, and the depth is 50-80mm.

[0010] The semi-aluminum traction brake trolley described above is characterized in that: the aluminum core has a honeycomb hollow structure and is covered with an anti-rust coating.

[0011] According to the above-described semi-aluminum traction brake trolley, the brake handle is characterized by having anti-slip texture and being equipped with a spring reset device.

[0012] The semi-aluminum traction brake trolley described above is characterized in that: the roller shutter is made of high-strength nylon mesh material, and the edges are provided with reflective strips.

[0013] The semi-aluminum traction brake trolley described above is characterized in that: the traction frame is foldable and is flush with the base after folding.

[0014] According to the above-described semi-aluminum traction brake trolley, the casters are swivel casters, and brakes are provided on at least two of the casters.

[0015] According to the above-described semi-aluminum traction brake trolley, the trolley is characterized by a modular connection structure fixed by bolts, which supports quick disassembly and component replacement; the bolts are made of 304 stainless steel and have a galvanized surface.

[0016] According to the above-described semi-aluminum traction brake trolley, the first side plate and the second side plate are provided with rubber anti-collision strips with a thickness of 5-10mm.

[0017] According to the above-described semi-aluminum traction brake trolley, the base is characterized by having a drainage hole at the bottom, with a hole diameter of 3-5mm.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The present invention provides a tandem traction frame structure, in which the traction frame is equipped with an automatic retraction device for torsion springs, which can quickly connect multiple trolleys to achieve efficient collective transfer and improve transportation efficiency by more than 50%.

[0020] 2. The front door of the present invention is divided into upper and lower sections. Only the upper section needs to be opened to retrieve items, preventing goods from spilling out. An independent lock can be installed on the front door to enhance anti-theft performance.

[0021] 3. The side panel of this invention is attached to the front door by a magnet using bolts, which reduces the volume when closed; the top cover adopts a sliding design, which automatically slides down after more than 1 / 2 of the travel, avoiding the risk of collision.

[0022] 4. The invention features a rubber shock absorber installed at the rear to prevent the cover from colliding with the rear when it is opened; the front door has a built-in hook to secure the cover, improving stability.

[0023] 5. This invention primarily uses a wire mesh structure, reducing weight by 30%, and its modular components facilitate maintenance. These improvements significantly enhance transportation efficiency, safety, and space utilization, making it suitable for various scenarios such as logistics and warehousing. Attached Figure Description

[0024] Figure 1 This is a perspective view of the structure of an anti-theft six-sided trolley according to the present invention.

[0025] Figure 2 This is a schematic diagram of the enclosed state of an anti-theft six-sided trolley according to the present invention.

[0026] Figure 3 This is a schematic diagram of the upper door and upper cover of an anti-theft six-sided trolley of the present invention in a half-open state.

[0027] Figure 4 This is a schematic diagram of the front door and top cover of an anti-theft six-sided trolley of the present invention in the fully open state.

[0028] Figure 5 This is a schematic diagram showing the connection of the base, traction frame, and caster assembly of an anti-theft six-sided trolley according to the present invention.

[0029] Figure 6 This is a schematic diagram showing the connection between the hook on the front door and the top cover of an anti-theft six-sided trolley according to the present invention.

[0030] Figure 7 This is a schematic diagram showing the connection between the lock on the front door of an anti-theft six-sided trolley according to the present invention and the front door.

[0031] Figure 8 This is a partially enlarged view of a schematic diagram of the magnet and magnetic suction plate adsorbing each other when the front door of an anti-theft six-sided trolley of the present invention is fully open.

[0032] Figure 9 This is a partially enlarged view of a schematic diagram of a rubber shock absorber resting against the rear of an anti-theft six-sided trolley when its top cover is fully open, according to the present invention.

[0033] Figure 10 This is a schematic diagram of the structure of a lock on the front door of an anti-theft six-sided trolley according to the present invention.

[0034] Figure 11 This is a partially enlarged view of the structural schematic diagram of the torsion spring and knob on the traction frame of an anti-theft six-sided trolley according to the present invention.

[0035] Figure 12 This is a schematic diagram of multiple anti-theft six-sided trolleys connected in series according to the present invention.

[0036] In the diagram: 1-Side panel, 2-Rear section, 3-Base, 4-Front door, 5-Top cover, 6-Traction frame, 7-Cast set, 4a-Upper door section, 4b-Lower door section, 8-Magnet, 9-Sliding track, 10-Limiting groove, 11-Connecting hook, 12-Torsion spring, 13-Rubber shock absorber, 14-Hook, 7a-Universal wheel, 7b-Directional wheel, 15-Spinning shaft, 16-Lock, 17-Wear-resistant coating, 18-Rubber protective layer, 19-Damper, 20-Elastic buffer pad, 21-Reinforcing rib, 22-Knob, 23-Magnetic suction plate. Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0038] like Figures 1 to 11 As shown:

[0039] A semi-aluminum traction brake trolley includes: a main frame 100, the main frame 100 including: a first side piece 101, a second side piece 102, a rear piece 103, a base 104, and an aluminum core 105; one side of the first side piece 101 is connected to one side of the base 104, and the other side of the first side piece 101 is connected to one side of the rear piece 103; one side of the second side piece 102 is connected to one side of the base 104, and the other side of the second side piece 102 is connected to one side of the rear piece 103; one side of the rear piece 103 is connected to one side of the base; the first side piece... 101, 102, 103, and 104 form a semi-enclosed frame structure; the aluminum core 105 is set on the base 104 as a supporting base plate; the length of the side of the first side piece 101 and the second side piece 102 connected to the base 104 is less than the length of the side of the base 104 connected to them; a forklift opening 106 is provided at the bottom of the base 104; casters 400 are provided on the bottom edge of the base 104; a handle 107 is provided in the middle of the outer side of the rear piece 103; a connecting hole 108 is provided on one side of the base 104.

[0040] The traction device 200 includes a traction frame 201 disposed on one side of the base 104, which is connected to the rear piece 103 and the base 104; the traction frame 201 is provided with a hook 202, and the front end of the traction frame 201 is provided with a detachable connection mechanism, and the hook 202 can be inserted into the connection hole 108 of other trolleys to realize the series connection of multiple trolleys.

[0041] Braking device 300 is provided at the bottom of traction device 200; it includes: brake pads that cooperate with caster 400, and brake handle 302 that is hinged to caster 400; brake handle 302 controls the contact pressure between brake pads and caster 400 hub.

[0042] Limiting component 500: The limiting component 500 includes a roller blind box 501; the roller blind box 501 is vertically disposed on a vertical side of the first side panel 101, a pull-out roller blind is disposed inside the roller blind box 501, and a roller blind hook 502 is disposed on the second side panel 102, so that the pull-out roller blind can be fixed to the second side panel 102 by the roller blind hook 502 after it is extended.

[0043] The forklift opening 106 conforms to ISO 2331 standards, with a depth of 50-80mm. The aluminum core 105 has a honeycomb hollow structure and is coated with an anti-rust coating. The brake handle 302 has anti-slip textures and is equipped with a spring return device. The roller shutter is made of high-strength nylon mesh material with reflective strips along the edges.

[0044] The towing frame 201 is foldable, folding flush with the base 104. The casters 400 are swivel casters, with brakes 301 installed on at least two of them. The trolley uses a modular connection structure secured by bolts, supporting quick disassembly and component replacement; the bolts are made of 304 stainless steel with a galvanized finish. Rubber anti-collision strips, 5-10mm thick, are installed on the inner sides of the first side panel 101 and the second side panel 102. Drainage holes, 3-5mm in diameter, are located at the bottom of the base 104.

[0045] In this embodiment, the side panel 1 is a rectangular steel plate, and the magnet 8 is fixed to the inside by bolts. When the front door 4 is opened, the magnet 8 attracts the magnetic suction plate 23 of the front door 4.

[0046] The front door 4 is designed as a split unit: the upper door 4a and the lower door 4b are independently installed on the base 3 via hinges 23. When taking out items, only the upper door 4a needs to be opened to avoid spilling the goods. The hook 14 on the inside of the front door 4 can hook onto the edge of the upper cover 5 to prevent accidental opening by sliding.

[0047] The top cover 5 is an aluminum alloy frame covered with a wire mesh structure, with sliding tracks 9 embedded on both sides. The surface of the sliding track 9 is coated with polytetrafluoroethylene coating 17 to reduce friction. When the top cover 5 slides to the midpoint of the sliding track 9, it automatically slides down to the limiting groove 10 under the action of gravity. The limiting groove 10 is equipped with a silicone buffer pad 20 to absorb the impact.

[0048] The traction frame 6 is welded from steel pipes. The front connecting hook 11 can rotate 180° to connect adjacent trolleys in series. The rear torsion spring 12 is controlled by the preload adjustment knob 22 and automatically retracts the traction frame 6 when there is no external force.

[0049] Rubber shock absorbers 13 are installed on the contact surfaces of the upper cover 5 and the rear part 2. The honeycomb structure reduces collision noise, and the hardness is Shore A 60A, balancing cushioning and durability.

[0050] Caster assembly 7 and pivot 15: swivel casters 7a and fixed casters 7b are connected to base 3 via pivot 15. Pivot 15 has a built-in damper 19, which can adjust the rolling resistance according to the ground conditions.

[0051] Base 3 and reinforcing ribs 21: Base 3 is made of stamped steel plate, and the bottom grid-like reinforcing ribs 21 enhance the load-bearing capacity, with a maximum load of 200kg.

[0052] Workflow

[0053] like Figure 12 As shown: Serial transport: The connecting hook 11 of the rotating traction frame 6 is moved to a horizontal position and hooks the rear part 2 of the adjacent trolley. Multiple trolleys form a queue, and the torsion spring 12 maintains tension during traction.

[0054] Retrieval operation: Open the upper door 4a, slide the upper cover 5 to the limit groove 10, and fix the upper cover 5 in position with the hook 14;

[0055] Anti-theft locking: A lock 16 is installed on the outer side of the upper section 4a of the front door 4 to lock the front door 4;

[0056] Automatic retraction: After unloading, the tow frame 6 automatically folds under the action of the torsion spring 12, reducing the space occupied.

[0057] Actual tests show that connecting 5 vehicles in series increases transportation efficiency by 60%, the magnet 8 reduces the closed volume by 25%, the sliding cover 5 reduces operating force by 40%, and the rubber shock absorber 13 effectively reduces collision noise by 90%. This invention combines high efficiency, safety, and portability, making it suitable for scenarios such as logistics warehousing and factory handling.

[0058] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A theft-proof six-sided trolley, characterized in that, include: The frame formed by the side panel (1), rear (2), base (3), front door (4), and top cover (5), the towing frame (6), and the caster set (7); The front door (4) is divided into upper and lower sections, with the upper section (4a) and the lower section (4b) opening and closing independently via hinges; A magnetic suction plate (23) is provided on the front door (4); a magnet (8) is installed on the inner side of the side plate (1) by bolts to attract the magnetic suction plate (23) on the front door (4) in the open state and fix the front door (4) in the open state. The upper cover (5) is a sliding structure. The base (3) is provided with sliding rails (9) and limiting grooves (10) on both sides. When the upper cover (5) slides more than 1 / 2 of the stroke, it automatically slides down to the limiting groove (10) due to gravity. The traction frame (6) has a connecting hook (11) at the front end and a torsion spring (12) at the rear end, which can connect multiple trolleys in series and automatically retract them through the torsion spring (12); A rubber shock absorber (13) is provided at the contact point between the rear part (2) and the upper cover (5) to prevent the upper cover (5) from colliding with the rear part (2) when it is opened; The front door (4) is provided with a hook (14) on the inside, which is used to fix the position of the upper cover (5) after it is closed; The caster assembly (7) includes swivel wheels (7a) and fixed wheels (7b), which are connected to the base (3) via a pivot (15).

2. The anti-theft six-sided trolley according to claim 1, characterized in that: A lock (16) is provided on the outside of the upper section (4a) of the front door (4).

3. The anti-theft six-sided trolley according to claim 2, characterized in that: The connecting hook (11) of the traction frame (6) is a rotatable structure with a rotation angle of 0° to 180°.

4. The anti-theft six-sided trolley according to claim 3, characterized in that: The surface of the sliding track (9) is coated with a wear-resistant coating (17) made of polytetrafluoroethylene.

5. The anti-theft six-sided trolley according to claim 4, characterized in that: The magnet (8) is a neodymium iron boron permanent magnet with a rubber protective layer (18) covering its surface.

6. The anti-theft six-sided trolley according to claim 5, characterized in that: The rubber shock absorber (13) has a honeycomb structure and a hardness of Shore 50A to 70A.

7. The anti-theft six-sided trolley according to claim 6, characterized in that: The caster assembly (7) has a built-in damper (19) on its pivot (15) for adjusting rolling resistance.

8. The anti-theft six-sided trolley according to claim 7, characterized in that: The upper cover (5) has an elastic buffer pad (20) in the limiting groove (10), which is made of silicone.

9. The anti-theft six-sided trolley according to claim 8, characterized in that: The base (3) has reinforcing ribs (21) at the bottom, which are distributed in a grid pattern.

10. The anti-theft six-sided trolley according to claim 9, characterized in that: The preload of the torsion spring (12) of the traction frame (6) is adjustable and controlled by a knob (22).

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