Assembled showing stand convenient to store
By designing an assembly display rack that is easy to store, the combination of folding support rods, insert plates and sockets, as well as the clamping mechanism of telescopic rods and auxiliary springs, the existing assembly display rack has solved the problem of numerous and cumbersome parts, achieving convenient storage and stable fixation of the components, and improving the stability and load-bearing capacity of the display rack.
Patent Information
- Application Number
- CN202420326201.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-02-22
AI Technical Summary
The existing assembly display racks have many and cumbersome parts, resulting in complex splicing work, which is prone to omission or fall off during storage, affecting the assembly progress and effect.
A assembly display rack is designed for easy storage, including a storage box, adjustment components, splicing components, clamping components and universal wheels. Through the folding design of the support rod, the combination of insertion plate and sockets, the clamping mechanism of the telescopic rod and auxiliary spring, the convenient storage and stable fixation of the components are achieved.
It effectively reduces damage and fall off of parts, simplifies the splicing process, ensures the stability and load-bearing capacity of the display rack, can adapt to the display of items of different sizes and requirements, and provides more display space.
Smart Images

Figure CN222548966U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a display rack, in particular to an assembled display rack which is convenient for storage. Background Art
[0002] An assembled display stand is a detachable and assemblable display stand, which is usually composed of multiple parts, such as a bracket, a base, a panel, etc. These parts can be combined as needed to form a complete display stand. The design purpose of the assembled display stand is to facilitate transportation, installation and disassembly, and at the same time have high stability and aesthetics. The existing assembled display stand device is usually composed of multiple parts during use. Since there are many parts to be assembled on the display stand, the assembly work is relatively cumbersome. At the same time, multiple groups of scattered parts are prone to omission or falling off when being stored, resulting in incomplete assembly, affecting the progress and effect of assembly; therefore, we propose an assembled display stand that is easy to store in order to solve the above-mentioned problems. Utility Model Content
[0003] In order to overcome the problem that the existing assembly display rack device has many assembly parts, the assembly work is cumbersome, and multiple groups of scattered parts are easily missed or fall off when stored, resulting in incomplete assembly, affecting the progress and effect of assembly.
[0004] The technical solution of the utility model is: an assembled display rack that is easy to store, comprising a storage box, an adjustment component, a splicing component, a clamping component and a universal wheel; an adjustment component for adjusting the height and angle of the display rack to adapt to different display needs is installed on the upper end of the storage box, a splicing component for splicing display racks to display items is installed on the upper end of the adjustment component, a clamping component for fixing and displaying items to make the exhibits on the display rack more stable is installed on the upper end of the splicing component, and universal wheels for supporting and moving the display rack are installed at the corners of the lower end of the storage box.
[0005] Preferably, the support rod is rotated along the outer wall of the fixing rod and stored in the card slot, and the support rod is folded up, so that the space occupied by the support rod when stored is smaller, which is convenient for storage and carrying, and at the same time avoids collision with other parts, reduces damage and falling of parts, and uses the plug plate to support the display items according to the angle adjusted by the support rod and is fixed by plugging into multiple groups of sockets, so that the angle of the display items can be adjusted, and at the same time ensure the stability and safety of the display items during the display process, and use the support sub-plate to assist the support rod in supporting the display of items, thereby increasing the overall stability of the display stand, ensuring that the display items are not prone to tilting or collapse during the display process, and at the same time improving the load-bearing capacity of the display stand, so that the display stand can carry heavier items, and the storage platform can be expanded by connecting the expansion plate to the connecting plate, and the expansion plate can be freely selected according to needs. The number and position of the display rack can be flexibly adjusted to adapt to the display of items of different sizes and requirements, providing more display space, and the storage connecting plate can be inserted into the slot. When the connecting plate is not needed, it can be stuffed into the slot for convenient storage and storage without taking up extra space. The connecting plate is connected by the card block to ensure that it is firmly fixed inside the slot during storage, reducing the shaking or falling off of the connecting plate due to instability, and improving the stability of the storage device. The telescopic rod is combined with the auxiliary spring to provide rebound force to push the splint to clamp the display items, ensuring that the splint firmly clamps the display items to prevent them from slipping or loosening. At the same time, the length of the telescopic rod is adjustable, which can adapt to display items of different sizes, so that it can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces.
[0006] Preferably, the adjustment assembly includes a support rod, a handle, a fixed rod, a supporting sub-plate, a sub-rod, a rotating buckle, a fixed plate and an insert plate. A accommodating groove for the fixed rod is provided at the upper end of the storage box. The outer wall of the fixed rod is sleeved with a support rod. The support rod can rotate along the outer wall of the fixed rod. The outer wall of the accommodating groove is provided with a slot for accommodating the support rod. A handle is provided at the outer end of the support rod. The support rod is rotated along the outer wall of the fixed rod and stored in the slot, and the support rod is folded up so that the space it occupies when stored is smaller, which is convenient for storage and carrying. At the same time, it avoids collision with other parts and reduces damage and falling off of parts.
[0007] Preferably, a fixing plate is provided at one end of the fixing rod on the outside of the storage box, an insertion plate is provided between the fixing plate and the storage box, and a hole for accommodating the insertion plate is opened on the outer wall of the storage box. There are multiple groups of holes, and the multiple groups of holes are arranged around the outer wall of the storage box. The fixing plate is movably connected to the fixing rod. The insertion plate is fixed according to the multiple groups of holes according to the angle adjusted by the support rod to support the display items, which facilitates the adjustment of the angle of the display items while ensuring the stability and safety of the display items during the display process.
[0008] Preferably, a supporting sub-plate is provided on the side of the upper end of the storage box away from the support rod, the supporting sub-plate is arranged opposite to the support rod, the supporting sub-plate is sleeved on the outer wall of the sub-rod, and one end of the sub-rod is located at the outer end of the storage box and is provided with a rotating buckle. By using the supporting sub-plate to assist the support rod in supporting the display of items, the overall stability of the display rack is increased, ensuring that the displayed items are not prone to tilting or collapse during the display process, and at the same time improving the load-bearing capacity of the display rack, so that the display rack can carry heavier items.
[0009] Preferably, the splicing assembly includes a connecting plate, an extension plate, a baffle, a connecting buckle and a snap buckle. The connecting plate is located at the upper end of the support rod and the supporting sub-plate. Two groups of connecting plates are provided. An extension plate is provided between the two groups of connecting plates. The connecting plate slides along the outer wall of the extension plate. The storage platform is expanded by connecting the extension plate to the connecting plate. The number and position of the extension plate can be freely selected according to needs, and the storage platform of the display rack can be flexibly adjusted to adapt to the display of items of different sizes and requirements, providing more display space to display more items or products.
[0010] Preferably, a connecting buckle is provided at the upper end of the connecting plate, connecting holes for accommodating the connecting buckle are provided at the upper ends of the support rod and the supporting sub-plate, a baffle is provided at the outer end of the connecting plate, a clamping block is provided at the end of the connecting plate away from the baffle, and slots for accommodating the connecting plate are provided at both ends of the storage box. The connecting plate can be inserted into the slot when it is not needed, which is convenient for storage and does not take up extra space. The connecting plate is clamped by the clamping block to ensure that it is firmly fixed inside the slot when stored, thereby reducing the shaking or falling off of the connecting plate due to instability and improving the stability of the storage device.
[0011] Preferably, two groups of clamping assemblies are provided, and the two groups of clamping assemblies are symmetrically arranged along the upper end of the connecting plate. The clamping assemblies include a supporting table, an insertion rod, a telescopic rod, an auxiliary spring and a clamping plate. An insertion rod is provided between the supporting table and the connecting plate, and a clamping hole for accommodating the insertion rod is opened at the upper end of the connecting plate. The telescopic rod is located inside the supporting table, and an auxiliary spring is provided on the outer wall of the telescopic rod. A spring damper is provided on the inner side of the auxiliary spring. A clamping plate is provided at the end of the telescopic rod away from the supporting table. The telescopic rod is combined with the auxiliary spring to provide a rebound force to push the clamping plate to clamp the display items, thereby ensuring that the clamping plate firmly clamps the display items to prevent them from slipping or loosening. At the same time, the length of the telescopic rod is adjustable to adapt to display items of different sizes so that they can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces.
[0012] Beneficial effects of the utility model:
[0013] 1. Compared with the traditional display rack, the support rod is rotated along the outer wall of the fixed rod and stored in the card slot, and the support rod is folded up, so that the space occupied by the support rod when stored is smaller, which is convenient for storage and carrying, and avoids collision with other parts, reduces damage and falling of parts, and uses the plug plate to support the display items according to the angle adjusted by the support rod and is fixed by plugging in multiple groups of sockets, which is convenient for adjusting the angle of the display items and ensures the stability and safety of the display items during the display process. The support sub-plate is used to assist the support rod in supporting the display of items, thereby increasing the overall stability of the display rack, ensuring that the display items are not prone to tilting or collapse during the display process, and at the same time improving the load-bearing capacity of the display rack, so that the display rack can carry heavier items.
[0014] 2. The storage platform can be expanded by docking the expansion board with the connecting board. The number and position of the expansion board can be freely selected according to needs, and the storage platform of the display rack can be flexibly adjusted to adapt to the display of items of different sizes and requirements, providing more display space. The storage connecting board is inserted into the slot. When the connecting board is not needed, it can be stuffed into the slot for convenient storage and storage without taking up extra space. The connecting board is connected by the card block to ensure that it is firmly fixed inside the slot during storage, reducing the shaking or falling off of the connecting board caused by instability, and improving the stability of the storage device. The telescopic rod is combined with the auxiliary spring to provide rebound force to push the splint to clamp the display items, ensuring that the splint firmly clamps the display items to prevent them from slipping or loosening. At the same time, the length of the telescopic rod is adjustable to adapt to display items of different sizes, so that it can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the adjustment component of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the splicing assembly of the utility model;
[0018] Figure 4 It is a schematic diagram of the clamping assembly of the utility model.
[0019] Explanation of the reference numerals: 1. Storage box; 2. Adjustment assembly; 201. Support rod; 202. Handle; 203. Fixed rod; 204. Support sub-plate; 205. Sub-rod; 206. Rotating buckle; 207. Fixed plate; 208. Insert plate; 3. Splicing assembly; 301. Connecting plate; 302. Extension plate; 303. Baffle; 304. Connecting buckle; 305. Block; 4. Clamping assembly; 401. Support table; 402. Insert rod; 403. Telescopic rod; 404. Auxiliary spring; 405. Clamp; 5. Universal wheel. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0021] See also Figure 1-4 The utility model provides an embodiment: an assembled display rack for easy storage, including a storage box 1, an adjustment component 2, a splicing component 3, a clamping component 4 and a universal wheel 5; the upper end of the storage box 1 is equipped with an adjustment component 2 for adjusting the height and angle of the display rack to adapt to different display requirements, the upper end of the adjustment component 2 is equipped with a splicing component 3 for splicing display racks to display items, the upper end of the splicing component 3 is equipped with a clamping component 4 for fixing and displaying items to make the exhibits on the display rack more stable, and the lower end corner of the storage box 1 is equipped with a universal wheel 5 for supporting and moving the display rack.
[0022] See also Figure 1-2 In this embodiment, the adjustment component 2 includes a support rod 201, a handle 202, a fixed rod 203, a supporting sub-plate 204, a sub-rod 205, a rotating buckle 206, a fixed plate 207 and an inserting plate 208. The upper end of the storage box 1 is provided with a receiving groove for the fixed rod 203. The outer wall of the fixed rod 203 is provided with a support rod 201. The support rod 201 rotates along the outer wall of the fixed rod 203. The outer wall of the receiving groove is provided with a slot for accommodating the support rod 201. The outer end of the support rod 201 is provided with a handle 202. By rotating the support rod 201 along the outer wall of the fixed rod 203 and storing it in the slot, the support rod 201 is folded up so that the space occupied by it when stored is reduced. The space is smaller, which is convenient for storage and carrying, while avoiding collision with other parts, reducing damage and falling of parts. One end of the fixing rod 203 is located on the outside of the storage box 1 and is provided with a fixing plate 207. A plug plate 208 is provided between the fixing plate 207 and the storage box 1. The outer wall of the storage box 1 is provided with a socket for accommodating the plug plate 208. There are multiple groups of plug plates, and the multiple groups of plug plates are arranged around the outer wall of the storage box 1. The fixing plate 207 is movably connected with the fixing rod 203. The plug plate 208 is plugged and fixed according to the multiple groups of sockets according to the angle adjusted by the support rod 201 to support the display items, which makes it easy to adjust the angle of the display items and ensures the stability and safety of the display items during the display process.
[0023] See also Figure 1-3In this embodiment, a supporting sub-plate 204 is provided on the side of the upper end of the storage box 1 away from the support rod 201. The supporting sub-plate 204 is arranged opposite to the support rod 201. The supporting sub-plate 204 is sleeved on the outer wall of the sub-rod 205. One end of the sub-rod 205 is located at the outer end of the storage box 1 and is provided with a rotating buckle 206. By using the supporting sub-plate 204 to assist the support rod 201 in supporting the display of items, the overall stability of the display rack is increased, ensuring that the displayed items are not prone to tilting or collapsing during the display process, and at the same time improving the load-bearing capacity of the display rack, so that the display rack can carry heavier items. The splicing component 3 includes a connecting plate 301, an expansion plate 302, a baffle 303, a connecting buckle 304 and a buckle, the connecting plate 301 is located at the upper end of the support rod 201 and the supporting sub-plate 204, and there are two groups of connecting plates 301. An expansion plate 302 is arranged between the two groups of connecting plates 301, and the connecting plate 301 slides along the outer wall of the expansion plate 302. The storage platform is expanded by docking the connecting plate 301 with the expansion plate 302. The number and position of the expansion plate 302 can be freely selected as needed, and the storage platform of the display rack can be flexibly adjusted to adapt to the display of items of different sizes and requirements, providing more display space to display more items or products.
[0024] See also Figure 3-4The cam 304 is provided on the upper end of the connecting plate 301, and the upper ends of the support rod 201 and the supporting sub-plate 204 are provided with a connecting hole for accommodating the connecting buckle 304. The outer end of the connecting plate 301 is provided with a baffle 303, and the end of the connecting plate 301 away from the baffle 303 is provided with a clamping block 305. Slots for accommodating the connecting plate 301 are provided at both ends of the storage box 1. By adopting the slot to insert and accommodate the connecting plate 301, when the connecting plate 301 is not needed, it can be inserted into the slot, which is convenient for storage and storage without taking up extra space. The clamping block 305 clamps the connecting plate 301 to ensure that it is firmly fixed inside the slot during storage, reduce the shaking or falling off of the connecting plate 301 caused by instability, and improve the stability of the storage device. The clamping assembly 4 is provided with two groups, and the two groups of clamping assemblies 4 are symmetrically arranged along the upper end of the connecting plate 301. The clamping assembly 4 includes a supporting A table 401, an insertion rod 402, a telescopic rod 403, an auxiliary spring 404 and a clamping plate 405. The insertion rod 402 is provided between the support table 401 and the connecting plate 301. A clamping hole for accommodating the insertion rod 402 is opened at the upper end of the connecting plate 301. The telescopic rod 403 is located inside the support table 401. The outer wall of the telescopic rod 403 is sleeved with an auxiliary spring 404. The inner side of the auxiliary spring 404 is provided with a spring damper. A clamping plate 405 is provided at one end of the telescopic rod 403 away from the support table 401. The telescopic rod 403 is combined with the auxiliary spring 404 to provide a rebound force to push the clamping plate 405 to clamp the display items, thereby ensuring that the clamping plate 405 firmly clamps the display items to prevent them from slipping or loosening. At the same time, the length of the telescopic rod 403 is adjustable to adapt to display items of different sizes, so that they can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces.
[0025] When working, first, the display rack is pushed and moved to the desired display location by the universal wheel 5. After the storage box 1 is braked and fixed by the universal wheel 5, the pull handle 202 is manually grasped to pull the support rod 201 out of the slot. According to the use of the display rack, the support rod 201 is folded up or stored in the slot, so that the space occupied by it when stored is smaller, which is convenient for storage and carrying, and at the same time, it avoids collision with other parts, reduces damage and falling of parts, and when the support rod 201 is pulled out, the rotating buckle 206 is manually grasped to rotate the auxiliary rod 205, and the auxiliary rod 205 is used to drive the support auxiliary plate 20 4 is arranged parallel to or symmetrically with the support rod 201. According to the angle adjusted by the support rod 201, the plug plate 208 is plugged and fixed according to the multiple groups of plug holes according to the angle adjusted by the support rod 201 to support the display items, and at the same time, the stability of the display items during the display process is ensured. Then, the baffle 303 is manually grasped to pull the connecting plate 301 out of the slot, and the connecting plate 301 is connected and fixed to the connecting hole at the upper end of the support rod 201 and the supporting sub-plate 204 by the connecting buckle 304. At the same time, an expansion plate 302 can be added between the connecting plates 301 according to the size of the display items, so that the display rack can carry heavier items.
[0026] After the connecting plate 301 is fixed in position, the insert rod 402 is inserted into the clamping hole to fix the support plate 401, and the telescopic rod 403 is used in combination with the auxiliary spring 404 to provide a rebound force to push the clamping plate 405 to clamp the display items, ensuring that the clamping plate 405 firmly clamps the display items to prevent them from slipping or loosening. The length of the telescopic rod 403 can be adjusted to accommodate display items of different sizes, so that the display items can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces. After the display rack displays the items, the connecting buckle 3 is removed. 04. Insert the connecting plate 301 into the slot and use the slot to insert and store the connecting plate 301. When the connecting plate 301 is not needed, it can be stuffed into the slot for easy storage without taking up extra space. The connecting plate 301 is clamped by the clamp block 305 to ensure that it is firmly fixed inside the slot during storage, thereby reducing the shaking or falling off of the connecting plate 301 due to instability. Secondly, the support rod 201 and the supporting sub-plate 204 are stored in the storage box 1 to avoid collision with other parts, thereby realizing the assembly and storage of the display stand.
[0027] Through the above steps, the support rod 201 is rotated along the outer wall of the fixing rod 203 and stored in the card slot, and the support rod 201 is folded up, so that the space occupied by it when stored is smaller, which is convenient for storage and carrying, and at the same time avoids collision with other parts, reduces damage and falling of parts, and uses the plug plate 208 to support the display items according to the angle adjusted by the support rod 201 and is fixed by plugging in multiple groups of jacks, so as to facilitate the adjustment of the angle of the display items, and at the same time ensure the stability and safety of the display items during the display process, and use the supporting auxiliary plate 204 to assist the support rod 201 in supporting the display of items, thereby increasing the overall stability of the display rack, ensuring that the display items are not prone to tilting or collapsing during the display process, and at the same time improving the load-bearing capacity of the display rack, so that the display rack can carry heavier items, and the storage platform is expanded by connecting the expansion plate 302 to the connecting plate 301, and the expansion plate 308 can be freely selected according to the needs. 02, the number and position of the display rack can be flexibly adjusted to adapt to the display of items of different sizes and requirements, and more display space can be provided. The storage connection plate 301 is inserted into the slot. When the connection plate 301 is not needed, it can be stuffed into the slot for convenient storage and storage without taking up extra space. The connecting plate 301 is clamped by the clamping block 305 to ensure that it is firmly fixed inside the slot during storage, reducing the shaking or falling off of the connecting plate 301 due to instability, and improving the stability of the storage device. The telescopic rod 403 is combined with the auxiliary spring 404 to provide a rebound force to push the clamping plate 405 to clamp the display items, ensuring that the clamping plate 405 firmly clamps the display items to prevent them from slipping or loosening. At the same time, the length of the telescopic rod 403 is adjustable, which can adapt to display items of different sizes, so that it can be tightly fixed on the display rack to prevent the display items from falling off or deforming due to external forces.
[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. An assembled display stand that is easy to store, comprising a storage box (1); characterized in that: The storage box (1) also comprises an adjustment component (2), a splicing component (3), a clamping component (4) and a universal wheel (5); the upper end of the storage box (1) is equipped with an adjustment component (2) for adjusting the height and angle of the display rack to adapt to different display requirements; the upper end of the adjustment component (2) is equipped with a splicing component (3) for splicing the display rack to display items; the upper end of the splicing component (3) is equipped with a clamping component (4) for fixing and displaying items so that the exhibits on the display rack are more stable; and the lower end corner of the storage box (1) is equipped with a universal wheel (5) for supporting and moving the display rack.
2. The assembly display stand for easy storage according to claim 1, characterized in that: The adjustment component (2) comprises a support rod (201), a handle (202), a fixed rod (203), a supporting sub-plate (204), a sub-rod (205), a rotating buckle (206), a fixed plate (207) and an inserting plate (208); a receiving groove for receiving the fixed rod (203) is provided at the upper end of the storage box (1); the outer wall of the fixed rod (203) is sleeved with the support rod (201); the support rod (201) is movable and rotatable along the outer wall of the fixed rod (203); a slot for receiving the support rod (201) is provided on the outer wall of the receiving groove; and a handle (202) is provided at the outer end of the support rod (201).
3. The assembly display stand for easy storage according to claim 2, characterized in that: One end of the fixing rod (203) is located outside the storage box (1) and is provided with a fixing plate (207); an inserting plate (208) is provided between the fixing plate (207) and the storage box (1); an inserting hole for accommodating the inserting plate (208) is provided on the outer wall of the storage box (1); a plurality of groups of inserting holes are provided, and the plurality of groups of inserting holes are arranged around the outer wall of the storage box (1); and the fixing plate (207) is movably connected to the fixing rod (203).
4. The assembly display stand for easy storage according to claim 2, characterized in that: A supporting sub-plate (204) is provided on a side of the upper end of the storage box (1) away from the supporting rod (201), the supporting sub-plate (204) and the supporting rod (201) are arranged opposite to each other, the supporting sub-plate (204) is sleeved on the outer wall of the sub-rod (205), and one end of the sub-rod (205) is located at the outer end of the storage box (1) and is provided with a rotating buckle (206).
5. The assembly display stand for easy storage according to claim 4, characterized in that: The splicing assembly (3) comprises a connecting plate (301), an extension plate (302), a baffle (303), a connecting buckle (304) and a snap buckle. The connecting plate (301) is located at the upper end of the support rod (201) and the supporting sub-plate (204). The connecting plate (301) is provided with two groups. An extension plate (302) is provided between the two groups of connecting plates (301). The connecting plate (301) slides along the outer wall of the extension plate (302).
6. The assembly display stand for easy storage according to claim 5, characterized in that: A connecting buckle (304) is provided at the upper end of the connecting plate (301); connecting holes for accommodating the connecting buckle (304) are provided at the upper ends of the supporting rod (201) and the supporting sub-plate (204); a baffle (303) is provided at the outer end of the connecting plate (301); a clamping block (305) is provided at one end of the connecting plate (301) away from the baffle (303); and slots for accommodating the connecting plate (301) are provided at both ends of the storage box (1).
7. The assembly display stand for easy storage according to claim 6, characterized in that: The clamping assembly (4) is provided with two groups, and the two groups of clamping assemblies (4) are symmetrically arranged along the upper end of the connecting plate (301). The clamping assembly (4) includes a supporting platform (401), an insert rod (402), a telescopic rod (403), an auxiliary spring (404) and a clamping plate (405). An insert rod (402) is provided between the supporting platform (401) and the connecting plate (301). A clamping hole for accommodating the insert rod (402) is provided at the upper end of the connecting plate (301). The telescopic rod (403) is located inside the supporting platform (401). An auxiliary spring (404) is sleeved on the outer wall of the telescopic rod (403). A spring damper is provided on the inner side of the auxiliary spring (404). A clamping plate (405) is provided at one end of the telescopic rod (403) away from the supporting platform (401).