Construction site trolley
By designing light adjustment components on the construction site trolley, the problem of poor lighting when the trolley is operated at night is solved, and the multi-directional adjustment of the light and 360° rotation are achieved, which improves safety and work efficiency.
Patent Information
- Application Number
- CN202421507760.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-06-28
AI Technical Summary
During the night operation of the construction site trolley, due to poor lighting and the electric lights equipped on the traditional trolley cannot be rotated and adjusted, resulting in the inability to effectively illuminate during the loading and unloading process, which poses a major safety hazard.
A construction site trolley is designed, equipped with light adjustment components, including fixing discs, turntables, adjustment bolts, clamps, springs and triangle nuts. By tightening the adjustment bolts and triangle nuts, the light can be adjusted up and down along the straight rod and rotated 360° around the straight rod shaft to ensure flexible adjustment of the lighting angle.
Through the design of the light adjustment components, the lights of the construction site trolley can be illuminated in multiple directions, effectively solving the problem of poor lighting of traditional trolleys and improving the safety and work efficiency of users.
Smart Images
Figure CN222946781U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric wheelbarrows, in particular to a construction site wheelbarrow. Background Art
[0002] With the development of science and technology, trolleys are becoming more and more intelligent. Currently, most of the trolleys used on construction sites are electric trolleys, which are widely used because they save time and effort in loading and unloading. When the construction site trolleys are operated at night, they often encounter poor lighting conditions, and in the process of loading and unloading, they need to use both hands to control the switch on the handle to load and unload the hopper, leaving no time to use electric lights to illuminate the surrounding environment. The electric lights equipped on traditional trolleys cannot be rotated and adjusted to effectively illuminate the loading and unloading area, which greatly threatens the life safety of users. Utility Model Content
[0003] 1. Technical issues to be solved
[0004] In view of the deficiencies in the prior art, the utility model provides a construction site trolley having advantages such as multi-directional lighting, which solves the problem that work cannot be carried out or danger may occur during loading and unloading of materials by the construction site trolley due to poor lighting.
[0005] (II) Technical solution
[0006] In order to achieve the above-mentioned multi-directional lighting purpose, the utility model provides the following technical solutions:
[0007] A construction site trolley comprises a trolley structure and an electric light adjustment component.
[0008] The trolley structure includes a base, the lower end of the base is rotatably connected to three tires, a hopper is installed on the right side of the upper end of the base, a cover plate is rotatably connected to the left side of the hopper, a straight rod is rotatably connected to the left end of the base, the lower end of the straight rod is connected to a single tire, and the other two tires are at the bottom of the right end of the base, a handle is fixedly installed on the upper end of the straight rod, and the electric light adjustment assembly is sleeved on the straight rod.
[0009] The electric light adjustment assembly includes a fixed plate, a turntable is sleeved on the fixed plate, the fixed plate is sleeved on the straight rod, a threaded through hole is provided on the side of the fixed plate, and a semicircular groove distributed in an annular manner is provided on the upper surface, the fixed plate is threadedly connected to an adjusting bolt through the threaded through hole, a plurality of clamps are sleeved inside the turntable, a spring is provided at the upper end of the clamp, the lower end of the clamp cooperates with the groove, end blocks are fixedly installed on the front and rear faces of the left side of the upper end of the turntable, the same shaft rod is inserted into the two end blocks, the front end of the shaft rod is threadedly provided with a thread and is threadedly connected to a triangular nut, and the part of the shaft rod between the two end blocks is rotatably connected to the electric light.
[0010] As a preferred technical solution of the utility model, the fixing plate can slide up and down on the straight rod, and the length of the through hole 1 is smaller than the threaded portion of the adjusting bolt.
[0011] As a preferred technical solution of the utility model, the threaded portion of the adjusting bolt is a disc structure, and a plurality of annularly distributed semicircular protrusions are distributed on its side.
[0012] As a preferred technical solution of the utility model, the overall structure of the fixed disk is a convex structure, and its lower end is separately provided with a through hole and a groove, the middle part is a hollow round rod structure, and the upper end is a hollow disc structure.
[0013] As a preferred technical solution of the utility model, the end of the clamping head close to groove one is a spherical structure, and the end away from groove one is a pancake structure. The bottom end of the turntable is provided with a groove two with the same distribution position as groove one, and the groove two is a cross-shaped structure. The upper end part is sleeved with a spring, the length of the middle part is greater than the radius of the spherical structure and the pancake-shaped structure moves therein, the diameter of the lower end structure is smaller than the pancake-shaped structure and the spherical structure moves therein, the clamping head is clamped in groove two through the pancake-shaped structure, and the spring is located in groove two and is in a compressed state.
[0014] As a preferred technical solution of the utility model, the fixed disk is sleeved with a turntable through a hollow round rod structure, and is clamped on the upper end of the turntable through the hollow round disk structure. The turntable is clamped on the fixture with a clearance fit, and the clearance distance is smaller than the radius of the spherical structure of the clamping head.
[0015] As an optimal technical solution of the utility model, the front end of the shaft rod is provided with a thread, and the rotation connection with the electric lamp is a smooth round rod. The end block is made of plastic material, and the two ends and the electric lamp are in transition fit when not subject to external force. The electric lamp is an LED mining lamp that can be bought on the market.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the utility model provides a construction site trolley with the following beneficial effects:
[0018] The construction site trolley can adjust the electric lamp up and down along the straight rod by rotating the tension adjustment bolt. When the fixing plate is fixed by tightening the adjustment bolt, the electric lamp can be rotated 360 degrees around the axis of the straight rod by rotating the turntable. A clamping head and a spring, and a groove 1 matched with the spring are provided. When the turntable is manually rotated, the clamping head will move up and down. When the clamping head moves to match with the groove 1, the fixation is completed. At the same time, a shaft rod and an electric lamp rotatably connected to the shaft rod are provided. The illumination angle of the electric lamp can be adjusted by loosening and tightening the triangular nut. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the electric light adjustment component of the utility model;
[0021] Figure 3 This is an exploded view of the structure of the electric light adjustment component of the utility model;
[0022] Figure 4 This is a cross-sectional view of the fixed disk and the rotating disk of the utility model;
[0023] Figure 5 This is a top plan view of the electric lamp adjustment component of the utility model.
[0024] In the figure: 1. base; 2. tire; 3. hopper; 4. cover plate; 5. straight rod; 6. handle; 7. fixed plate; 8. turntable; 9. adjusting bolt; 10. clamp; 11. spring; 12. end block; 13. shaft rod; 14. triangular nut; 15. electric light. DETAILED DESCRIPTION
[0025] 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.
[0026] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] See also Figure 1 , a construction site trolley, including a trolley structure and an electric light 15 adjustment component.
[0029] The trolley structure includes a base 1, the lower end of the base 1 is rotatably connected to three tires 2, a hopper 3 is installed on the right side of the upper end of the base 1, and a cover plate 4 is rotatably connected to the left side of the hopper 3. The function of the cover plate 4 is to prevent dust from splashing and affecting the life safety of the user during loading and unloading. The left end of the base 1 is rotatably connected to a straight rod 5, the lower end of the straight rod 5 is connected to a single tire 2, and the other two tires 2 are at the bottom of the right end of the base 1. A handle 6 is fixedly installed on the upper end of the straight rod 5, and an electric light 15 adjustment component is sleeved on the straight rod 5.
[0030] See also Figure 2-5The lamp 15 adjustment assembly includes a fixed disk 7. The overall structure of the fixed disk 7 is a convex structure. The lower end thereof is separately provided with a through hole and a groove. The middle part thereof is a hollow round rod structure, and the upper end is a hollow disc structure. The fixed disk 7 can slide up and down on the straight rod 5, and the length of the through hole 1 is smaller than the part where the adjusting bolt 9 is threaded. A rotating disk 8 is sleeved on the fixed disk 7. The fixed disk 7 is sleeved on the straight rod 5. A threaded through hole 1 is provided on the side of the fixed disk 7, and a semicircular groove 1 distributed in an annular manner is provided on the upper surface. The fixed disk 7 is threadedly connected with the adjusting bolt 9 through the threaded through hole 1. The threaded part of the adjusting bolt 9 is a disc structure, and a plurality of annularly distributed semicircular grooves are distributed on the side thereof. Semicircular protrusion, several clamps 10 are sleeved inside the turntable 8, springs 11 are set at the upper end of the clamps 10, the lower end of the clamps 10 cooperates with the groove 1, the end of the clamps 10 close to the groove 1 is a spherical structure, and the end away from the groove 1 is a pancake structure. The bottom of the turntable 8 is provided with a groove 2 with the same distribution position as the groove 1, and the groove 2 is a cross-shaped structure. The upper end part is sleeved with a spring 11, the length of the middle part is greater than the radius of the spherical structure and the pancake structure moves therein, the diameter of the lower end structure is smaller than the pancake structure and the spherical structure moves therein, the clamp 10 is clamped in the groove 2 through the pancake structure, the spring 11 is located in the groove 2 and is in a compressed state, and the fixed disk 7 is fixed by a hollow circle The rod structure is sleeved with a turntable 8, which is clamped on the upper end of the turntable 8 through a hollow disc structure. The turntable 8 is clamped on the fixture with a clearance fit, and the clearance distance is smaller than the radius of the spherical structure of the clamp head 10. End blocks 12 are fixedly installed on the front and back of the left upper end of the turntable 8. The end blocks 12 are made of plastic material, and the two ends and the electric lamp 15 are transitionally matched without external force. The plastic material can be slightly deformed to control the tightness of the electric lamp 15 in the up and down rotation direction, and control the illumination angle of the electric lamp 15. The same shaft rod 13 is inserted into the two end blocks 12. The front end of the shaft rod 13 is provided with a thread. The rotation connection with the electric lamp 15 is a smooth round rod. The front end of the shaft rod 13 is provided with a thread. And it is threadedly connected with a triangular nut 14, which is triangular in shape and has a labor-saving effect when rotating. The shaft 13 is rotatably connected with an electric light 15 between the two end blocks 12. The electric light 15 can be an LED mining lamp that can be bought on the market. When driving a construction site cart, the electric light 15 should be illuminated at the front end, but when loading and unloading materials through the hopper 3, it is at the rear end of the cart. During the loading and unloading process, the electric light 15 of the cart cannot be effectively adjusted to illuminate the hopper 3, thereby affecting the loading and unloading effect. At the same time, there may be huge safety hazards due to poor lighting. The angle of the electric light 15 can be effectively adjusted through the electric light 15 adjustment component to facilitate lighting.
[0031] To sum up: the construction site trolley can adjust the electric lamp 15 up and down along the straight rod 5 by rotating the tension adjustment bolt 9. When the fixing plate 7 is fixed by tightening the adjustment bolt 9, the turntable 8 can be rotated to make the electric lamp 15 rotate 360° around the axis of the straight rod 5. A clamping head 10 and a spring 11, and a groove 1 that matches therewith are provided. When the turntable 8 is manually rotated, the clamping head 10 will move up and down. When the clamping head 10 moves to match with the groove 1, the fixation is completed. At the same time, a shaft rod 13 and an electric lamp 15 rotatably connected thereto are provided. The illumination angle of the electric lamp 15 is adjusted by loosening and tightening the triangular nut 14.
[0032] 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 construction site trolley, comprising a trolley structure and a light adjustment assembly, characterized in that: The trolley structure includes a base, the lower end of the base is rotatably connected to three tires, a hopper is installed on the right side of the upper end of the base, a cover plate is rotatably connected to the left side of the hopper, a straight rod is rotatably connected to the left end of the base, the lower end of the straight rod is connected to a single tire, and the other two tires are at the bottom of the right end of the base, a handle is fixedly installed on the upper end of the straight rod, and the electric light adjustment assembly is sleeved on the straight rod; The electric light adjustment assembly includes a fixed plate, a turntable is sleeved on the fixed plate, the fixed plate is sleeved on the straight rod, a threaded through hole is provided on the side of the fixed plate, and a semicircular groove distributed in an annular manner is provided on the upper surface, the fixed plate is threadedly connected to an adjusting bolt through the threaded through hole, a plurality of clamps are sleeved inside the turntable, a spring is provided at the upper end of the clamp, the lower end of the clamp cooperates with the groove, end blocks are fixedly installed on the front and rear faces of the left side of the upper end of the turntable, the same shaft rod is inserted into the two end blocks, the front end of the shaft rod is threadedly provided with a thread and is threadedly connected to a triangular nut, and the part of the shaft rod between the two end blocks is rotatably connected to the electric light.
2. A construction site trolley according to claim 1, characterized in that: The fixing plate can slide up and down on the straight rod, and the length of the through hole 1 is smaller than the portion where the adjusting bolt has threads.
3. A construction site trolley according to claim 1, characterized in that: The threaded portion of the adjusting bolt is a disc structure, and a plurality of semicircular protrusions distributed in an annular shape are arranged on its side.
4. A construction site trolley according to claim 1, characterized in that: The overall structure of the fixed disk is a convex structure, a through hole and a groove are separately provided at the lower end thereof, the middle part thereof is a hollow round rod structure, and the upper end is a hollow disc structure.
5. A construction site trolley according to claim 1, characterized in that: The end of the clamping head close to the groove one is a spherical structure, and the end away from the groove one is a pancake structure. The bottom of the turntable is provided with a groove two with the same distribution position as the groove one. The groove two is a cross-shaped structure. The upper end part is sleeved with a spring. The length of the middle part is greater than the radius of the spherical structure and the pancake-shaped structure moves therein. The diameter of the lower end structure is smaller than the pancake-shaped structure and the spherical structure moves therein. The clamping head is clamped in the groove two through the pancake-shaped structure, and the spring is located in the groove two and is in a compressed state.
6. A construction site trolley according to claim 5, characterized in that: The fixed disk is sleeved with a rotating disk through a hollow round rod structure, and is clamped on the upper end of the rotating disk through the hollow round disk structure. The rotating disk is clamped on the fixer with a clearance fit, and the clearance distance is smaller than the radius of the spherical structure of the clamping head.
7. A construction site trolley according to claim 1, characterized in that: The front end of the shaft rod is provided with a thread, and the rotation connection with the electric lamp is a smooth round rod. The end block is made of plastic material, and the two ends and the electric lamp are in transition fit when not subject to external force. The electric lamp is an LED mining lamp that can be bought on the market.