High-speed rail table board buffering power assisting device
By using a buffering and assisting device consisting of a return spring and a wire rope mechanism, the problem of gravity impact when the high-speed rail table is placed in the armrest box is solved, realizing the buffering protection and assisting functions of the table and improving the passenger's user experience.
Patent Information
- Application Number
- CN202520382012.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-06
AI Technical Summary
When placing the existing high-speed rail table into the armrest box, the large impact force caused by gravity makes it inconvenient to use due to the limited or no damping force of traditional methods.
Design a buffer assist device that uses a return spring and a wire rope mechanism to utilize the compression energy of the return spring to counteract the downward potential energy, absorb the collision energy, and release energy to provide assistance when the table is moved out.
It effectively prevents collisions when storing the tabletop, improves comfort, has a simple structure, is easy to assemble, reduces manufacturing and maintenance costs, and increases functionality.
Smart Images
Figure CN223750849U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a buffer power assisting device, in particular to a high-speed rail table board buffer power assisting device belongs to high-speed rail table board technical field. BACKGROUND
[0002] At present, the high-speed rail first-class seat table board produced by the company generally weighs about two kilograms, when put into the armrest box, the impact force is relatively large due to the action of gravity, the traditional method is to increase the rotating friction force at the table board rotating shaft part to realize damping, or to increase the one-way damper at the rotating shaft part, the former has damping when the table board is taken out and put in, and the latter has limited damping force due to the limitation of structure size and no power assisting when the table board is taken out.
[0003] Therefore, a high-speed rail table board buffer power assisting device is designed to optimize the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model mainly aims at providing a high-speed rail table board buffer power assisting device to solve the problems in the above background.
[0005] The purpose of the utility model can be achieved by adopting the following technical scheme:
[0006] A high-speed rail table board buffer power assisting device, including armrest body, the table board of rotating installation on armrest body, fixedly installed on armrest body and the connecting shaft of table board support and the positioning pin of table board rotation angle limit, the inner top of armrest body is fixedly installed with fixed guide rail, the top of fixed guide rail is vertically fixed with mounting plate, the side of fixed guide rail close to table board is vertically slidably arranged with movable sliding block, the outside of movable sliding block is vertically fixed with rotating shaft, the one end of rotating shaft close to movable sliding block is rotatably installed with dynamic pulley, the one end of rotating shaft away from dynamic pulley is fixed with spring seat, the top of spring seat is fixed with adjusting pad, the vertical reset spring between the top of adjusting pad and mounting plate, the fixed guide rail is fixed with buffer, and the bottom of buffer is inserted into the inside of reset spring, the fixed pulley of the table board close to shaft hole is fixed, the connecting shaft passes through the inside of fixed pulley, the top of armrest body and the side of fixed pulley rotatably installed with transition pulley, the outside of fixed pulley is fixed with steel wire rope, the steel wire rope slides through the top of transition pulley and the bottom of dynamic pulley, the side of fixed guide rail is vertically fixed with fixed column, the bottom of steel wire rope is attached to the bottom of dynamic pulley and is fixed on fixed column upwards.
[0007] Preferably, the mounting holes are formed at the four corners of the fixed guide rail, and the fixed guide rail and the armrest body are fixed by screws.
[0008] Preferably, the end of the fixed column is provided with a groove, the end of the steel wire rope passes through the inside of the groove, and the top of the steel wire rope is fixed with a positioning ball.
[0009] Preferably, the shape of the adjusting pad is convex, and the convex end of the adjusting pad is inserted into the bottom end of the reset spring.
[0010] Preferably, the side of the fixed pulley is fixed with a hexagonal block, the table plate is provided with a slot for inserting the hexagonal block, and the fixed pulley and the hexagonal block are both provided with a through slot for the connecting shaft.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] The buffer mechanism composed of the mounting plate, the mounting hole, the movable sliding block, the movable pulley, the rotating shaft, the spring seat, the adjusting pad, the reset spring, the buffer, the fixed pulley, the transition pulley, the steel wire rope and the fixed column can generate resistance by compression of the reset spring when the table plate is stored, offset the potential energy when descending, effectively avoid collision of the table plate when being retracted, protect the table plate, store the potential energy when the table plate descends, release the energy when the table plate is moved out, and then generate power assistance, facilitate operation of passengers, improve passenger comfort experience, and the utility model has the advantages of simple structure, small size, easy assembly and maintenance, low manufacturing and assembling cost, and increased product functions and usability. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural explosion diagram of the utility model;
[0014] Figure 2 It is a buffer mechanism diagram of the utility model;
[0015] Figure 3 It is a table plate opening state diagram of the utility model;
[0016] Figure 4 It is a table plate retracting and releasing state diagram of the utility model.
[0017] In the drawing: 1, armrest body; 2, table plate; 3, connecting shaft; 4, positioning pin; 5, fixed guide rail; 6, mounting plate; 7, mounting hole; 8, movable sliding block; 9, movable pulley; 10, rotating shaft; 11, spring seat; 12, adjusting pad; 13, reset spring; 14, buffer; 15, fixed pulley; 16, transition pulley; 17, steel wire rope; 18, fixed column. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.
[0019] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but merely to represent the particular embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.
[0020] It should be noted that the embodiments and features and technical solutions in the embodiments of the present application can be combined with each other without conflict.
[0021] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0022] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product is used, or the orientation or position relationship commonly understood by those skilled in the art, such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only used for differentiation, and cannot be understood as indicating or implying relative importance.
[0023] Embodiment 1
[0024] As Figure 1 , Figure 2 , Figure 3 and Figure 4The embodiment shown proposes a high-speed rail table board buffering assisting device, which comprises a handrail body 1, a table board 2 rotatably installed on the handrail body 1, a connecting shaft 3 fixedly installed on the handrail body 1 and supporting the table board 2, and a positioning pin 4 limiting the rotation angle of the table board 2. The inner top of the handrail body 1 is fixedly installed with a fixed guide rail 5, the top end of the fixed guide rail 5 is vertically fixed with a mounting plate 6, the side of the fixed guide rail 5 close to the table board 2 is vertically slidably provided with a movable sliding block 8, the outer side of the movable sliding block 8 is vertically fixed with a rotating shaft 10, the end of the rotating shaft 10 close to the movable sliding block 8 is rotatably installed with a movable pulley 9, the end of the rotating shaft 10 away from the movable pulley 9 is fixedly provided with a spring seat 11, the top end of the spring seat 11 is fixedly provided with an adjusting pad 12, the top of the adjusting pad 12 and the mounting plate 6 are vertically provided with a reset spring 13, the mounting plate 6 is fixedly provided with a buffer 14, and the bottom end of the buffer 14 is inserted into the inside of the reset spring 13. The table board 2 is fixedly provided with a fixed pulley 15 close to the shaft hole, the connecting shaft 3 passes through the inside of the fixed pulley 15, the top of the handrail body 1 and the side of the fixed pulley 15 are rotatably installed with a transition pulley 16, the outer side of the fixed pulley 15 is fixedly provided with a steel wire rope 17, the steel wire rope 17 passes through the top of the transition pulley 16 and the bottom of the movable pulley 9, the side of the fixed guide rail 5 is vertically fixed with a fixed column 18, and the bottom end of the steel wire rope 17 is attached to the bottom of the movable pulley 9 and upwardly extends and is fixed on the fixed column 18.
[0025] The fixed pulley 15 is fixedly connected between the table board 2 and the fixed pulley 15 and passes through the table board 2 and the fixed pulley 15 through the connecting shaft 3, limits the position of the table board 2, the table board 2 can rotate around the connecting shaft 3, and the positioning pin 4 is in the inside of the arc-shaped guide groove of the table board 2, limits the rotation angle of the table board 2 in the process of rotating the table board 2, and the steel wire rope 17 fixed on the fixed pulley 15 drives the movable pulley 9 when the table board 2 rotates, the movable pulley 9 is rotatably installed on the outer side of the movable sliding block 8, and the spring seat 11 is rotatably connected, when the table board 2 is put into the inside of the handrail body 1, the movable pulley 9 moves upwardly, the reset spring 13 is compressed through the spring seat 11, the reset spring 13 generates resistance force when being compressed, offsets most of the potential energy of the table board 2 when descending and stores it, absorbs part of the potential energy at the end of the stroke by the buffer 14, avoids collision when the table board 2 shrinks, the table board 2 reversely rotates when moving out of the handrail body 1, the reset spring 13 resets the movable pulley 9 downwardly through the spring seat 11, the table board 2 is acted on by the steel wire rope 17 and the fixed pulley 15, and the reset spring 13 releases the energy when being compressed, assists the table board 2 to move out.
[0026] Example 2
[0027] The scheme in example 1 is further introduced in combination with specific working modes, and details are described below:
[0028] AsFigure 2 As shown, in a preferred embodiment, based on the above method, mounting holes 7 are provided at all four corners of the fixed guide rail 5. The fixed guide rail 5 is fixed to the handrail body 1 by screws. During the installation of the fixed guide rail 5, multiple sets of screws are used for multi-directional fixation to ensure the stability of the fixed guide rail 5.
[0029] like Figure 2 As shown, in a preferred embodiment, based on the above method, the end of the fixing column 18 is provided with a groove, the end of the wire rope 17 passes through the inside of the groove, and a positioning ball is fixed at the top of the wire rope 17. When the end of the wire rope 17 is fixed, the positioning ball at the end of the wire rope 17 is stuck in the groove, stabilizing the position of the wire rope 17. After the wire rope 17 is installed, it will exert a certain squeezing force on the return spring 13. The elastic force of the return spring 13 can be used to ensure the stability of the position of the positioning ball.
[0030] like Figure 2 As shown, in a preferred embodiment, based on the above method, the adjusting pad 12 is further shaped as a convex shape, and the protrusion at the top of the adjusting pad 12 is inserted into the bottom end of the reset spring 13. The top of the adjusting pad 12 can limit the bottom of the reset spring 13 to prevent the reset spring 13 from shifting to the side.
[0031] like Figure 2 As shown, in a preferred embodiment, based on the above method, a hexagonal block is further fixed to the side of the fixed pulley 15, and a slot is opened on the table 2 for inserting into the hexagonal block. Both the fixed pulley 15 and the hexagonal block are provided with through slots for the connecting shaft 3 to pass through. When installing the fixed pulley 15, the insertion method is used for installation and fixation, which makes assembly more convenient.
[0032] Example 3
[0033] The solutions in Embodiments 1 and 2 will be further described below with reference to their specific working methods.
[0034] When installing, first, the hexagonal block on the side of the fixed pulley 15 is inserted into the notch on the table plate 2 and fixedly connected with the table plate 2, then the connecting shaft 3 is passed through the table plate 2 and the fixed pulley 15 to limit the position of the table plate 2, the table plate 2 can rotate around the connecting shaft 3, the positioning pin 4 is inside the arc-shaped guide groove on the table plate 2, then a plurality of screws are used to position the fixed guide rail 5 inside the armrest body 1, then the steel wire rope 17 is passed through the top of the transition pulley 16 and the bottom of the movable pulley 9 and extends upward, the positioning ball at the end of the steel wire rope 17 is clamped on the groove at the end of the fixed column 18 to stabilize the position of the steel wire rope 17, the device is assembled, the steel wire rope 17 rotates in the process of the rotation of the table plate 2, the rotation angle of the table plate 2 is limited by the positioning pin 4, when the table plate 2 rotates, the movable pulley 9 can be driven by the steel wire rope 17 fixed on the fixed pulley 15, the movable pulley 9 is rotatably installed outside the movable block 8 and rotatably connected between the spring seats 11, when the table plate 2 is put into the armrest body 1, the movable pulley 9 moves upward and compresses the return spring 13 through the spring seat 11, the return spring 13 generates a resistance force when being compressed, which offsets most of the potential energy of the table plate 2 when descending and stores it, part of the potential energy is absorbed by the bumper 14 at the end of the stroke to avoid collision when the table plate 2 shrinks, when the table plate 2 moves out of the armrest body 1, the table plate 2 rotates reversely, the return spring 13 resets and drives the movable pulley 9 to move downward through the spring seat 11, the return spring 13 releases the energy when being compressed and provides power to the movement of the table plate 2 through the action of the steel wire rope 17 and the fixed pulley 15 on the table plate 2.
[0035] The above merely illustrates the further embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the disclosed range, which belongs to the protection scope of the present application.
Claims
1. A high-iron table board buffering assisting device, comprising a handrail body (1), a table board (2) rotatably installed on the handrail body (1), a connecting shaft (3) fixedly installed on the handrail body (1) and supporting the table board (2), and a positioning pin (4) limiting the rotation angle of the table board (2), characterized in that: The inner top of the handrail body (1) is fixedly provided with a fixed guide rail (5), the top end of the fixed guide rail (5) is vertically fixedly provided with a mounting plate (6), the side of the fixed guide rail (5) close to the table plate (2) is vertically slidably provided with a movable sliding block (8), the outer side of the movable sliding block (8) is vertically fixedly provided with a rotating shaft (10), one end of the rotating shaft (10) close to the movable sliding block (8) is rotatably provided with a movable pulley (9), the other end of the rotating shaft (10) away from the movable pulley (9) is fixedly provided with a spring seat (11), the top end of the spring seat (11) is fixedly provided with an adjusting pad (12), the top of the adjusting pad (12) and the mounting plate (6) are vertically provided with a return spring (13), the mounting plate (6) is fixedly provided with a buffer (14), and the bottom end of the buffer (14) is inserted into the inside of the return spring (13), the table plate (2) is fixedly provided with a fixed pulley (15) close to the shaft hole, the connecting shaft (3) passes through the inside of the fixed pulley (15), the top of the handrail body (1) and the side of the fixed pulley (15) are rotatably provided with a transition pulley (16), the outer side of the fixed pulley (15) is fixedly provided with a steel wire rope (17), the steel wire rope (17) passes through the top of the transition pulley (16) and the bottom of the movable pulley (9), the side of the fixed guide rail (5) is vertically fixedly provided with a fixed column (18), the bottom end of the steel wire rope (17) is attached to the bottom of the movable pulley (9) and is fixedly provided on the fixed column (18) in an upward extending manner.
2. The high-iron table board buffering force assisting device according to claim 1, characterized in that: The four corners of the fixed guide rail (5) are provided with mounting holes (7), and the fixed guide rail (5) and the handrail body (1) are fixedly connected through screws.
3. The high-iron table board buffering force assisting device according to claim 1, characterized in that: The end of the fixed column (18) is provided with a groove, the end of the steel wire rope (17) passes through the inside of the groove, and the top end of the steel wire rope (17) is fixedly provided with a positioning ball.
4. The high-iron table board buffering force assisting device according to claim 1, characterized in that: The adjusting pad (12) is in the shape of a convex character, and the convex part at the top end of the adjusting pad (12) is inserted into the bottom end of the return spring (13).
5. The high-iron table board buffering force assisting device according to claim 1, characterized in that: The side of the fixed pulley (15) is fixedly provided with a hexagonal block, the table plate (2) is provided with a slot opening matched with the hexagonal block, and the fixed pulley (15) and the hexagonal block are both provided with through grooves for the connecting shaft (3) to pass through.