Protective structure for trolley

Abstract

The invention belongs to the technical field of trolley protection structures, and particularly relates to a trolley protection structure which comprises a trolley body, the left side, the right side, the front side and the rear side of the top of the trolley body are each provided with two symmetrically-arranged inserting grooves, inserting blocks are inserted into the inserting grooves, and the tops of the inserting blocks extend to the top of the trolley body. The top of each inserting block is fixedly connected with a stand column, the bottom of each stand column is attached to the top of the trolley body, a protection assembly is arranged between every two stand columns, a limiting assembly is arranged between each stand column and the corresponding inserting block, and the inserting blocks and the trolley body are installed through the limiting assemblies. The stand columns and the inserting blocks are installed in the inserting grooves in the top of the trolley body through the limiting assemblies, the stand columns and the inserting blocks can be conveniently disassembled through the limiting assemblies, the protection assemblies can be conveniently disassembled from the stand columns, and therefore the protection assemblies can be rapidly disassembled and assembled according to needs in the using process; and the protection assembly can meet more use requirements.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of trolley protection structure, and particularly relates to a trolley protection structure. BACKGROUND

[0002] With the continuous development of modern building construction, equipment installation, material handling and other projects, trolleys, as an important construction auxiliary tool, are widely used in various construction sites and industrial production processes. Steel trolleys are usually temporary equipment used in construction, decoration and assembly sites, and are mainly used for supporting or transporting goods. They are made of steel and are solid and durable. In order to prevent goods from falling from the top of the trolley and causing serious injury to the workers or pedestrians below, and to prevent workers from falling accidentally during work, a protection structure needs to be set on the top of the trolley.

[0003] However, most of the existing trolley protection structures are inconvenient to quickly install and disassemble on the trolley according to the use needs, and cannot meet more use needs, so that the protection structure is inconvenient to use, and efficient construction is not convenient, and equipment maintenance is not convenient. Therefore, the application provides a trolley protection structure. SUMMARY

[0004] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0005] The technical scheme adopted by the application to solve the technical problems is: the trolley protection structure comprises a trolley body.

[0006] The top of the trolley body is provided with two symmetrically arranged insertion slots on the left side, the right side, the front and the rear, an insertion block is inserted into the insertion slot, the insertion block extends to the top of the trolley body, a stand column is fixedly connected to the top of the insertion block, and the bottom of the stand column is attached to the top of the trolley body.

[0007] A protection assembly is arranged between every two stand columns, a limiting assembly is arranged between the stand column and the insertion block, and the insertion block is installed on the trolley body through the limiting assembly.

[0008] Preferably, the protection assembly comprises a plurality of insertion holes arranged on the stand column and uniformly distributed, a threaded protection rod is inserted into the insertion hole, an internally threaded protection sleeve rod is arranged between every two threaded protection rods, and the internally threaded protection sleeve rod is threadedly connected with the threaded protection rod.

[0009] Preferably, the limiting assembly comprises a mounting hole provided below inside the stand and penetrating through, a stop rod penetrating through inside the mounting hole, a connecting rod fixedly connected to one end of the stop rod, a sliding groove provided on the upper surface inside the mounting hole, a sliding block slidingly connected inside the sliding groove, the sliding block being fixedly connected with the stop rod, and a damper and a spring one fixedly connected between the sliding block and the sliding groove, the spring one being sleeved on the outer surface of the damper.

[0010] Preferably, an air passage is provided on the lower surface inside the mounting hole, the lower surface inside the air passage extends to the inside of the plug-in block, a piston two sealingly slides inside the air passage, an extrusion rod is fixedly connected to the top of the piston two, a spring two is sleeved on the outer surface of the extrusion rod, the top end and the bottom end of the spring two are fixedly connected with the outer surface of the extrusion rod and the inner side wall of the air passage respectively, an extrusion block is fixedly connected to the top end of the extrusion rod, and a slot is provided on the bottom of the outer surface of the stop rod.

[0011] Preferably, the extrusion block is matched with the slot, the outer surface of the extrusion block and the inner side wall of the slot are both provided in a semicircular shape, one end of the connecting rod is fixedly connected with a handle plate, and the outer surface of the extrusion block is fitted with the outer surface of the stop rod.

[0012] Preferably, air holes are provided on both sides of the inside of the plug-in block inside the air passage, a groove is provided inside the air hole, the groove extends to the outside of the plug-in block, a piston one sealingly slides inside the air hole, a limiting rod is fixedly connected to the piston one, a limiting plate is fixedly connected to the limiting rod, and a limiting pad is fixedly connected to the limiting plate.

[0013] Preferably, the limiting plate and the limiting pad are matched with the groove, the limiting plate and the limiting pad are slidingly connected with the groove, the limiting pad is made of rubber material, and the surface of the limiting pad is fitted with the inner side wall of the slot.

[0014] Preferably, a plurality of thread holes are provided on the stand and are uniformly distributed, and a threaded side guard rod is threadedly connected inside the thread hole and extends to the outside of the stand.

[0015] The beneficial effects of the present application are as follows:

[0016] 1. The protective structure for the trolley, the stand is installed in the slot on the top of the trolley body through the limiting assembly and the plug-in block, the limiting assembly facilitates the disassembly of the stand and the plug-in block, the protective assembly facilitates the disassembly of the stand, the protective assembly can be quickly disassembled and installed as needed during use, and the protective assembly can meet more use requirements.

[0017] 2. The protective structure for a trolley described in this invention facilitates the installation and disassembly of the threaded side guard rod by connecting it to the threaded hole on the column. Furthermore, the threaded side guard rod enhances the overall protective effect on the trolley body, thereby improving the effectiveness of the protective structure. Attached Figure Description

[0018] The invention will now be further described with reference to the accompanying drawings.

[0019] Figure 1 This is a perspective view of the present invention;

[0020] Figure 2 This is a partial side sectional view of the present invention;

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a partial enlarged cross-sectional view of the insert block of the present invention;

[0023] Figure 5 yes Figure 4 Enlarged view at point B in the middle;

[0024] Figure 6 This is a partial enlarged sectional view of the column of the present invention;

[0025] Figure 7 yes Figure 6 Enlarged view of point C.

[0026] In the diagram: 1. Trolley body; 2. Column; 3. Internal threaded protective sleeve rod; 4. Threaded protective rod; 5. Handle plate; 6. Threaded side guard rod; 7. Slot; 8. Insert block; 9. Limiting pad; 10. Threaded hole; 11. Insertion hole; 12. Slide groove; 13. Stop bar; 14. Mounting hole; 15. Spring 1; 16. Limiting plate; 17. Groove; 18. Limiting rod; 19. Piston 1; 20. Vent groove; 21. Vent hole; 22. Extrusion block; 23. Extrusion rod; 24. Spring 2; 25. Piston 2; 26. Slot; 27. Connecting rod; 28. Damper; 29. ​​Slider. Detailed Implementation

[0027] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0028] like Figures 1 to 7 As shown in the figure, a protective structure for a trolley according to an embodiment of the present invention includes a trolley body 1;

[0029] The trolley body 1 top left and right sides are provided with two symmetrically arranged slots 7 at the front and rear, the slots 7 are inserted with the plug blocks 8, the plug blocks 8 top extends to the trolley body 1 top, the plug blocks 8 top is fixedly connected with the stand columns 2, the stand columns 2 bottom is attached to the trolley body 1 top;

[0030] The stand columns 2 and the plug blocks 8 are jointly provided with the limiting assemblies, the plug blocks 8 are installed with the trolley body 1 through the limiting assemblies; in operation, the trolley body 1 can be used as required during the construction process, and the stand columns 2 and the protective assemblies on the trolley body 1 top form a protective structure to protect the workers, the stand columns 2 are installed in the slots 7 on the trolley body 1 top through the limiting assemblies and the plug blocks 8, and the stand columns 2 and the plug blocks 8 are also convenient to disassemble through the limiting assemblies, and the protective assemblies are also convenient to disassemble with the stand columns 2, so that the protective assemblies can be quickly disassembled and installed as required in operation, and the protective assemblies can meet more use requirements.

[0031] As a preferred embodiment of the application, the protective assembly comprises a plurality of plug holes 11 arranged on the stand columns 2 and uniformly distributed, the plug holes 11 are inserted with the threaded protective rods 4, and the threaded protective rods 4 are provided with the internally threaded protective sleeve rods 3, and the internally threaded protective sleeve rods 3 are threadedly connected with the threaded protective rods 4; in operation, the threaded connection of the internally threaded protective sleeve rods 3 and the threaded protective rods 4 can rotate the threaded rod protective rods to make the threaded protective rods 4 move out of the plug holes 11 on the stand columns 2 for disassembly, and in installation, the threaded protective rods 4 can be inserted in the plug holes 11 first, and then the threaded protective rods 4 at the other end are rotated to extend and be inserted in the other plug holes 11, and the threaded protective rods 4 and the internally threaded protective sleeve rods 3 are convenient to install and disassemble between the two stand columns 2, and the protective structure is convenient to disassemble and install, so that the protective structure is convenient to use.

[0032] As the preferred embodiment of the present application, the limiting assembly comprises a mounting hole 14 provided inside the upright column 2 below and penetratingly, a stop rod 13 penetratingly provided inside the mounting hole 14, a connecting rod 27 fixedly connected to one end of the stop rod 13, a sliding groove 12 provided on the upper surface inside the mounting hole 14, a sliding block 29 slidingly connected inside the sliding groove 12, the sliding block 29 being fixedly connected with the stop rod 13, a damper 28 and a spring I 15 fixedly connected between the sliding block 29 and the sliding groove 12, and the spring I 15 being sleeved on the outer surface of the damper 28.

[0033] As the preferred embodiment of the present application, the lower surface inside the mounting hole 14 is provided with a ventilation groove 20, the lower surface inside the ventilation groove 20 extends to the inside of the plug-in block 8, a piston II 25 sealingly slides inside the ventilation groove 20, an extrusion rod 23 is fixedly connected to the top of the piston II 25, a spring II 24 is sleeved on the outer surface of the extrusion rod 23, the top end and the bottom end of the spring II 24 are fixedly connected with the outer surface of the extrusion rod 23 and the inner side wall of the ventilation groove 20 respectively, an extrusion block 22 is fixedly connected to the top end of the extrusion rod 23, and a slot 26 is provided on the bottom of the outer surface of the stop rod 13.

[0034] As the preferred embodiment of the present application, the extrusion block 22 is adapted to the slot 26, the outer surface of the extrusion block 22 and the inner side wall of the slot 26 are both provided in a semicircular shape, one end of the connecting rod 27 is fixedly connected with a handle plate 5, and the outer surface of the extrusion block 22 is fitted with the outer surface of the stop rod 13.

[0035] As a preferred embodiment in the present application, the ventilation groove 20 is internally provided with ventilation holes 21 on both sides of the plug-in block 8, the ventilation holes 21 are internally provided with grooves 17, the grooves 17 internally extend to the outside of the plug-in block 8, the ventilation holes 21 are internally sealed with pistons 19, the pistons 19 are fixedly connected with limiting rods 18, the limiting rods 18 are fixedly connected with limiting plates 16, and the limiting plates 16 are fixedly connected with limiting pads 9; during work, the gas in the ventilation groove 20 is extruded to drive the pistons 19 in the ventilation holes 21 to slide, and the sliding of the pistons 19 drives the limiting rods 18, the limiting plates 16 and the limiting pads 9 to move, and then the extrusion and fitting of the limiting plates 16 and the limiting pads 9 with the inner side wall of the insertion groove 7 enables the plug-in block 8 to be stably inserted in the insertion groove 7, and enables the plug-in block 8 to be stably inserted in the insertion groove 7, and when the moving blocking rod 13 is separated from the extrusion of the extrusion block 22, the gas can be sucked back, the piston 19 is driven to slide, and the limiting rod 18, the limiting plate 16 and the limiting pad 9 are driven to move away from the extrusion and fitting with the inner side wall of the insertion groove 7, and then the moving of the stand column 2 can enable the plug-in block 8 to be moved out of the insertion groove 7 for disassembly, thereby facilitating the disassembly and installation of the stand column 2, the plug-in block 8 and the protection assembly.

[0036] As a preferred embodiment in the present application, the limiting plates 16 and the limiting pads 9 are adapted to the grooves 17, the limiting plates 16 and the limiting pads 9 are slidably connected with the grooves 17, the limiting pads 9 are made of rubber material, and the surfaces of the limiting pads 9 are fitted with the inner side wall of the insertion groove 7; during work, the limiting plates 16 and the limiting pads 9 are facilitated to slide in the plug-in block 8 and to be fitted and limited in the insertion groove 7 and to be separated from the fitting and limitation, the limiting pad 9 made of rubber material enables the friction between the limiting pad 9 and the inner side wall of the insertion groove 7 to be larger, and enables the limiting effect of the limiting plate 16 and the limiting pad 9 on the extrusion and fitting of the inner side wall of the insertion groove 7 to be better, thereby enabling the plug-in block 8 to be stably installed in the insertion groove 7 through the limiting of the limiting plate 16 and the limiting pad 9.

[0037] As a preferred embodiment in the present application, the stand column 2 is provided with a plurality of uniformly distributed threaded holes 10, the threaded holes 10 are internally threadedly connected with threaded side guard rods 6, and the threaded side guard rods 6 extend to the outside of the stand column 2; during work, the threaded connection of the threaded side guard rods 6 with the threaded holes 10 of the stand column 2 facilitates the installation and disassembly of the threaded side guard rods 6, and the threaded side guard rods 6 increase the overall protection effect of the trolley body 1, thereby making the protection structure have a better use effect.

[0038] Working principle: through two people press the handle 5 at the same time, the connecting rod 27 and the stop rod 13 can be moved, and the movement of the stop rod 13 can make the stop rod 13 separate from the extrusion of the extrusion block 22, and the extrusion block 22 moves in the spring 24 under the action of the rebound force, and then the extrusion block 22 moves the extrusion rod 23 and the piston 25 to move the gas in the air passage 20, and the gas in the air passage 20 drives the piston 19 in the air hole 21 to slide, and after the piston 19 slides, the limiting rod 18, the limiting plate 16 and the limiting pad 9 are moved to separate from the extrusion of the inner wall of the insertion slot 7, then the moving column 2 can make the plug 8 move out of the insertion slot 7 to disassemble, so that the moving column 2, the plug 8 and the protection assembly are disassembled and assembled;

[0039] The protection assembly on the top of the trolley, the moving column 2 and the plug 8 are convenient for quick disassembly and assembly, so that the trolley does not affect the overall construction progress during use, and the overall construction efficiency can be ensured, and the protection structure can be quickly disassembled to facilitate flexible adjustment according to actual needs, ensure the safety and efficiency of the trolley, and the protection structure convenient for disassembly and assembly can simplify the maintenance process and reduce downtime.

[0040] The above front, rear, left, right, up and down are based on the drawings of the specification Figure 1 As the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like.

[0041] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.

[0042] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A protective structure for a trolley, comprising a trolley body (1); Its features are: The trolley body (1) has two symmetrically arranged slots (7) on the top left and right sides, front and rear. The slots (7) are fitted with insert blocks (8). The top of the insert blocks (8) extends to the top of the trolley body (1). The top of the insert blocks (8) is fixedly connected to a column (2). The bottom of the column (2) is in contact with the top of the trolley body (1). A protective component is provided between each pair of the columns (2), and a limiting component is provided between the columns (2) and the plug (8). The plug (8) is installed on the trolley body (1) through the limiting component.

2. The protective structure for a trolley according to claim 1, characterized in that: The protective component includes multiple insertion holes (11) evenly distributed on the column (2). Threaded protective rods (4) are inserted into the insertion holes (11). An internal threaded protective sleeve (3) is provided between every two threaded protective rods (4). The internal threaded protective sleeve (3) is threadedly connected to the threaded protective rod (4).

3. The protective structure for a trolley according to claim 2, characterized in that: The limiting component includes a through mounting hole (14) located inside the lower part of the column (2). A stop bar (13) passes through the mounting hole (14). A connecting rod (27) is fixedly connected to one end of the stop bar (13). A sliding groove (12) is provided on the upper surface inside the mounting hole (14). A slider (29) is slidably connected inside the sliding groove (12). The slider (29) is fixedly connected to the stop bar (13). A damper (28) and a spring (15) are fixedly connected between the slider (29) and the sliding groove (12). The spring (15) is sleeved on the outer surface of the damper (28).

4. The protective structure for a trolley according to claim 3, characterized in that: A ventilation groove (20) is provided on the lower surface of the mounting hole (14). The lower surface of the ventilation groove (20) extends into the insert block (8). A piston (25) is sealed and slidably inside the ventilation groove (20). A pressing rod (23) is fixedly connected to the top of the piston (25). A spring (24) is sleeved on the outer surface of the pressing rod (23). The top and bottom ends of the spring (24) are fixedly connected to the outer surface of the pressing rod (23) and the inner side wall of the ventilation groove (20), respectively. A pressing block (22) is fixedly connected to the top of the pressing rod (23). A slot (26) is provided at the bottom of the outer surface of the stop rod (13).

5. The protective structure for a trolley according to claim 4, characterized in that: The extrusion block (22) is adapted to the slot (26). The outer surface of the extrusion block (22) and the inner sidewall of the slot (26) are both set in a semi-circular shape. One end of the connecting rod (27) is fixedly connected to the handle plate (5). The outer surface of the extrusion block (22) is in contact with the outer surface of the stop rod (13).

6. The protective structure for a trolley according to claim 5, characterized in that: Ventilation holes (21) are provided on both sides inside the venting groove (20) and inside the insert block (8). A groove (17) is provided inside the venting hole (21) and extends outside the insert block (8). A piston (19) is sealed and slidable inside the venting hole (21). A limiting rod (18) is fixedly connected to the piston (19). A limiting plate (16) is fixedly connected to the limiting rod (18). A limiting pad (9) is fixedly connected to the limiting plate (16).

7. A protective structure for a trolley according to claim 6, characterized in that: The limiting plate (16) and the limiting pad (9) are both adapted to the groove (17). The limiting plate (16) and the limiting pad (9) are slidably connected to the groove (17). The limiting pad (9) is made of rubber. The surface of the limiting pad (9) is in contact with the inner wall of the slot (7).

8. A protective structure for a trolley according to claim 7, characterized in that: The column (2) has a plurality of evenly distributed threaded holes (10), and a threaded side guard rod (6) is threadedly connected inside the threaded hole (10), with the end of the threaded side guard rod (6) extending to the outside of the column (2).

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