Temporary protection device for freight transport of van elevator

Abstract

The utility model relates to a temporary protection device for freight transport of a van elevator, and aims to solve the problems that a traditional fixing bracket is difficult to quickly adapt to elevators with different sizes, the customization cost is high and the mounting and dismounting are inconvenient. The device is composed of a supporting part, a cross-shaped connecting rod and a protection plate, and the supporting part is designed by adopting a rod piece with adjustable length and can be flexibly adjusted according to the height of a lift car; the cross-shaped connecting rod is matched with the supporting part fixing holes through the round holes and can be connected with the multiple supporting parts according to the size of the lift car; the protection plate is of a three-layer structure and is connected with the cross-shaped connecting rod through a fixing column, a suction cup, a clamping spring or a magnetic attraction mode. And through modular design and multiple fixing modes, the device can be rapidly matched with elevators of different specifications and conveniently mounted and dismounted, and the temporary protection requirement in an elevator freight scene is met.

Description

Technical Field

[0001] This utility model relates to the field of elevator technology, and in particular to a temporary protective device for freight transport in an elevator. Background Technology

[0002] In freight transport scenarios using enclosed elevators, protective devices are typically used to protect the elevator car's interior walls, floor, and door frames from damage caused by collisions and scratches during cargo handling. Currently, traditional protective devices mostly employ fixed bracket structures, which require customized production based on the specific dimensions of the elevator car.

[0003] Existing elevator interior wall protection devices have certain drawbacks. On the one hand, they cannot quickly adapt to elevators with different floor heights and widths. When faced with elevators of various specifications, they need to be repeatedly redesigned and manufactured, resulting in long production cycles and low efficiency. On the other hand, customized production significantly increases costs. For freight scenarios where only short-term protection of the elevator car is required, the high customization costs are extremely uneconomical and have poor economic efficiency.

[0004] Therefore, developing a temporary protective device for freight transport in a car elevator that can be quickly installed and disassembled, adaptable to elevators of different sizes, and possesses high-strength impact resistance, in order to solve the problem that existing car elevator freight protection devices cannot meet actual needs, is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] To address the problems existing in the background technology, this utility model develops a temporary protective device for freight transport in a car elevator, which meets the practical needs of rapid installation and disassembly, adaptability to elevators of different sizes, and high-strength impact resistance. This device includes multiple support parts, a cross-shaped connecting rod, and a protective plate. The support parts are vertically installed on the elevator car floor, and the support parts are connected by the cross-shaped connecting rod. The protective plate is mounted on the cross-shaped connecting rod.

[0006] Furthermore, the support portion includes rods, which include an upper rod and a lower rod. A lead screw is fixedly connected to the lower rod, and the upper rod is rotatably connected to the lead screw. By rotating the upper rod on the lead screw, the length of the entire support portion can be adjusted. The surface of the cross connecting rod is evenly provided with multiple circular holes, and the upper and lower rods are evenly provided with fixing holes. By inserting connecting portions into the circular holes and fixing holes, the cross connecting rod is connected to a pair of support portions. The protective plate is a rectangular plate, and a fixing post is provided at the center of the rear part of the protective plate. The fixing post can be inserted into the circular holes.

[0007] The support unit forms the main frame of this device. In use, the lower rod is first placed vertically on the elevator car floor, then the upper rod is rotated upwards along the lead screw until it touches the top of the elevator car, thus completing the vertical fixation of the support unit. Multiple support units can be arranged according to the size requirements of the elevator car, and then connected using the cross-shaped connecting rod. The cross-shaped connecting rod is a cross-shaped plate with multiple evenly distributed round holes on its surface; the upper and lower rods also have evenly distributed fixing holes. By connecting the round holes to the fixing holes through the connecting part, the cross-shaped connecting rod can be stably fixed to adjacent support units. The protective plate is installed by inserting the fixing post at the rear end into the round holes on the surface of the cross-shaped connecting rod, thus completing the installation. Its main function is to prevent transported goods from impacting the elevator car.

[0008] The support, the cross connecting rod, and the protective plate can all be flexibly arranged according to the size of the elevator car, thereby enabling rapid adaptation and installation of elevator cars of different specifications.

[0009] Furthermore, the lead screw adopts a trapezoidal thread.

[0010] The lead screw needs to withstand a large axial pressure, so a trapezoidal thread is used to meet the load requirements when the support is vertically fixed. The trapezoidal thread has a small helix angle and good self-locking performance, which can prevent the support from loosening due to elevator vibration and ensure safety. The thread flank angle is balanced, and the frictional resistance is small when manually adjusted, making it easy for operators to quickly adjust the position of the upper rod with tools.

[0011] Furthermore, the lead screw thread has the fixing hole, and a double-claw fixing member is provided between the lead screw and the fixing hole on the upper rod.

[0012] After the upper rod rises to the fixed position, the double-claw fixing member is simultaneously inserted into the fixing hole on the lead screw and the upper rod to further fix the relative position of the upper rod and the lead screw, effectively preventing the upper rod from rotating circumferentially or moving axially.

[0013] Preferably, both the upper rod and the lower rod are provided with rubber heads at their tops.

[0014] The rubber head prevents the rod from making hard contact with the elevator car, reducing vibration. The high friction of the rubber surface enhances the stability of the support part with the top of the car and the ground, preventing slippage. The elastic deformation of the rubber head allows the upper rod and the fixing hole of the lead screw to rotate to the same circumferential position, facilitating fixation using the double claw fastener.

[0015] Furthermore, the protective plate is a three-layer plate, comprising a surface layer, a hard layer, and a fixing layer from front to back. The surface layer is an elastic buffer layer, the hard layer is an engineering plastic sheet, and the fixing layer is used to fix it to the device.

[0016] The surface layer absorbs external impact energy through an elastic material, reducing the impact force on the device and providing cushioning protection, thus lowering the risk of damage caused by collisions. The rigid layer utilizes the high strength and rigidity of engineering plastics to provide structural support for the protective plate, enhancing its overall resistance to deformation and allowing it to withstand certain external forces. The fixing layer is used to secure the protective plate to the device.

[0017] Furthermore, suction cups are provided at the four corners of the rear part of the fixed layer, and the suction cups are used to adhere to the inner wall of the elevator car.

[0018] Preferably, a retaining ring is provided in the circular hole, which is used to further secure the fixing post inserted into the circular hole.

[0019] Preferably, a magnetic sheet is provided in the circular hole, and the fixing layer is made of magnetic material, which can be magnetically attracted to the cross connecting rod.

[0020] The protective plate achieves foundation fixation by inserting the fixing post into the circular hole on the cross connecting rod. In actual construction, several methods can be used to further enhance the fixing effect: first, a suction cup can be added to the rear of the fixing layer to adsorb and fix the protective plate to the elevator car wall; second, a retaining spring can be installed in the circular hole to improve the stability of the fixing post within the hole; third, magnetic attraction can be used to further strengthen the connection and tightness between the fixing layer and the cross connecting rod.

[0021] The advantages and beneficial effects of this utility model are as follows: This utility model effectively solves the elevator compatibility problem through the combined structure of the support unit, the cross connecting rod, and the protective plate. The support unit adopts an adjustable screw design, which can flexibly match the car height; the cross connecting rod and the support unit are matched with holes, allowing multiple support units to be arranged and connected as needed, quickly adapting to different car specifications and meeting diverse protection requirements. The modular design enables quick assembly and disassembly; during installation, the support unit is erected, adjusted, and fixed, connected with the cross connecting rod, and then the protective plate is installed; disassembly is the reverse operation. Furthermore, the protective plate supports multiple fixing methods such as suction cups, spring clips, and magnetic attachment, balancing stability and convenience. Compared with traditional custom brackets, it significantly improves installation efficiency, reduces labor and time costs, and is very suitable for short-term freight protection. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the present invention.

[0023] Figure 2This is a schematic diagram of the support part of this utility model.

[0024] Figure 3 This is a schematic diagram of the cross-shaped connecting rod of this utility model.

[0025] Figure 4 This is a schematic diagram of the protective plate of this utility model.

[0026] Among them, 1-support part, 11-rod, 111-upper rod, 112-lower rod, 12-lead screw, 13-fixing hole, 14-double claw fixing part, 15-rubber head, 2-cross connecting rod, 21-round hole, 22-connecting part, 3-protective plate, 31-fixing column, 32-surface layer, 33-hard layer, 34-fixing layer, 35-suction cup. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model. In addition, it should be understood that the specific embodiments described herein are only for illustration and explanation of the present utility model and are not intended to limit the present utility model. In the present utility model, unless otherwise stated, directional terms such as "upper" and "lower" generally refer to the upper and lower positions of the device in actual use or operation, specifically the drawing directions in the accompanying drawings; while "inner" and "outer" refer to the outline of the device.

[0028] like Figures 1 to 4 As shown, the device mainly consists of multiple support parts 1, cross connecting rods 2, and protective plates 3.

[0029] The support unit 1, serving as the main frame, is vertically mounted on the elevator car floor. Each support unit 1 includes a rod 11, which is further divided into an upper rod 111 and a lower rod 112. A lead screw 12 is fixedly connected to the lower rod 112, and the lead screw 12 uses a trapezoidal thread. The upper rod 111 is rotatably connected to the lead screw 12 via a threaded connection. A fixing hole 13 is provided on the thread of the lead screw 12, and the upper rod 111 also has a fixing hole 13. After adjusting the position of the upper rod 111, a double-claw fixing member 14 is inserted into the fixing holes 13 of the lead screw 12 and the upper rod 111 to further fix their relative positions. Additionally, rubber heads 15 are provided at the top of both the upper rod 111 and the lower rod 112.

[0030] The cross connecting rod 2 is a plate in the shape of a cross, with multiple round holes 21 evenly distributed on its surface. A retaining spring or a magnetic piece can be installed in the round holes 21. Fixing holes 13 are evenly distributed at the upper rod 111 and the lower rod 112. By inserting the connecting part 22 into the round holes 21 and the fixing holes 13, the cross connecting rod 2 is connected to a pair of support parts 1.

[0031] The protective plate 3 is a rectangular plate with a three-layer structure from front to back: a surface layer 32, a rigid layer 33, and a fixing layer 34. The surface layer 32 is an elastic buffer layer, the rigid layer 33 is made of engineering plastic sheet, and the fixing layer 34 is used to fix it to the device. A fixing post 31 is provided at the center of the rear of the protective plate 3. The fixing post 31 can be inserted into the round hole 21 of the cross connecting rod 2. Suction cups 35 are provided at the four corners of the rear of the fixing layer 34. The fixing layer 34 can also be made of magnetic material and used in conjunction with the magnetic sheet on the cross connecting rod 2.

[0032] Specific usage instructions:

[0033] When installing protective measures on the elevator car, first, the lower rod 112 of the support part 1 is placed vertically on the floor of the elevator car. Then, the upper rod 111 is rotated so that it rotates upward along the screw 12 until the rubber head 15 at the top of the upper rod 111 touches the top of the elevator car, thus completing the vertical fixation of the support part 1.

[0034] Then, based on the width and depth of the elevator car, multiple support parts 1 are arranged reasonably. Next, cross connecting rods 2 are used for connection. The round holes 21 on the cross connecting rods 2 are aligned with the fixing holes 13 of the upper rod 111 and lower rod 112 of the support part 1, and the connection part 22 is inserted to fix it, thereby achieving a stable connection between adjacent support parts 1.

[0035] The protective plate 3 is inserted into the round hole 21 on the surface of the cross connecting rod 2 through the fixing post 31 at its rear to complete the basic fixation. Depending on the actual needs, it can also be attached to the inner wall of the elevator car by using the suction cup 35 on the fixing layer 34, or the fixing post 31 can be further fixed by the snap ring in the round hole 21. If the round hole 21 is equipped with a magnetic sheet and the fixing layer 34 is made of magnetic material, the fixation can also be enhanced by magnetic attraction, thereby completing the installation of the entire temporary protection device.

[0036] When the freight task is completed and the device needs to be disassembled, the operation should be carried out in the reverse order of installation. First, release the fixing of the protective plate 3, then remove the cross connecting rod 2, and finally unscrew the upper rod 111 of the support part 1. This will quickly complete the disassembly, so as to facilitate the reuse of the device and its transportation and storage.

[0037] The above provides a detailed description of a temporary protective device for freight transport in a cabin elevator. Specific examples have been used to illustrate the principles and implementation methods of this invention. It should be noted that those skilled in the art can make various improvements and modifications to this invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of this invention.

Claims

1. A temporary protection device for freight in a van-type elevator, comprising a plurality of support parts (1), cross connecting rods (2) and protection plates (3), the support parts (1) being vertically arranged on the floor of an elevator car, the support parts (1) being connected by the cross connecting rods (2), and the protection plates (3) being arranged on the cross connecting rods (2), characterized in that, The support part (1) includes a rod (11), the rod (11) includes an upper rod (111) and a lower rod (112), a lead screw (12) is fixedly connected to the lower rod (112), the upper rod (111) is rotatably connected to the lead screw (12), and the length of the entire support part (1) can be adjusted by rotating the upper rod (111) on the lead screw (12). The surface of the cross connecting rod (2) is evenly provided with a plurality of round holes (21), and the upper rod (111) and the lower rod (112) are evenly provided with fixing holes (13). By inserting a connecting part (22) into the round hole (21) and the fixing hole (13), the cross connecting rod (2) is connected to a pair of the support parts (1). The protective plate (3) is a rectangular plate, and a fixing post (31) is provided at the center of the rear part of the protective plate (3). The fixing post (31) can be inserted into the round hole (21).

2. A van elevator freight temporary protection device according to claim 1, characterized in that, The lead screw (12) adopts a trapezoidal thread.

3. A van lift cargo shipping temporary protection device according to claim 2, characterized in that, The screw (12) has a fixing hole (13) on its thread, and a double claw fixing member (14) is provided between the screw (12) and the fixing hole (13) on the upper rod (111).

4. A van lift cargo shipping temporary protection device according to claim 3, characterized in that, Both the upper rod (111) and the lower rod (112) are provided with rubber heads (15) at their tops.

5. A van elevator cargo shipping temporary protection device according to claim 1, characterized in that, The protective plate (3) is a three-layer plate, which includes a surface layer (32), a hard layer (33) and a fixing layer (34) from front to back. The surface layer (32) is an elastic buffer layer, the hard layer (33) is an engineering plastic sheet, and the fixing layer (34) is used to fix it to the device.

6. A van lift cargo shipping temporary protection device according to claim 5, characterized in that, The four corners of the rear part of the fixed layer (34) are respectively provided with suction cups (35), which are used to adhere to the inner wall of the elevator car.

7. A van lift cargo temporary protection device according to claim 6, characterized in that, A retaining ring is provided in the circular hole (21), which is used to further fix the fixing post (31) inserted in the circular hole (21).

8. A van lift cargo shipping temporary protection device according to claim 6, characterized in that, A magnetic sheet is provided in the circular hole (21), and the fixing layer (34) is made of magnetic material. The fixing layer (34) can be magnetically attached to the cross connecting rod (2).

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