Height adjusting mechanism of back cushion and high-speed train seat
By designing a headrest height adjustment mechanism with a slide and locking mechanism on high-speed train seats, the problem of existing seats being unable to adjust the headrest height is solved, thereby improving passenger comfort and experience.
Patent Information
- Application Number
- CN202423164208.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-21
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-21
AI Technical Summary
Existing high-speed train seats cannot adjust the headrest height, resulting in limited support for passengers' necks, especially for shorter passengers, which reduces riding comfort.
A height adjustment mechanism for a headrest is designed, which includes a slide, a moving mechanism, a locking mechanism, a trigger part, a reset part and a locking part. The height adjustment of the headrest is achieved through button operation, ensuring movement stability and locking reliability.
It realizes flexible adjustment of the headrest height, improves the comfort and riding experience of passengers, and is easy to operate and highly reliable.
Smart Images
Figure CN223443538U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of seat, especially relates to a height adjusting mechanism of backrest and high speed train seat. BACKGROUND
[0002] As the core component of carrying passengers in the EMU train, the seat not only directly supports the passenger's body, but also plays an important role in buffering the vibration between the human body and the vehicle. In the journey of passengers, the seat is the most frequent interface for them to contact with the train. The expectation of the passengers for the seat in the journey not only includes the basic support and stability, but also includes the comfortable riding experience, the humanized function and the appearance conforming to the modern aesthetic view.
[0003] At present, the seat equipped on the EMU train cannot realize the height adjustment of the headrest, and the supporting effect on the neck of the passenger is limited. Even the neck of the passenger with relatively small height cannot be supported, which leads to the big discount of the riding comfort and the reduction of the riding experience. Therefore, the height adjusting mechanism of backrest and high speed train seat need to be provided to solve the above problems. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at providing a height adjusting mechanism of backrest and high speed train seat to solve the problems existing in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides a height adjusting mechanism of backrest, which comprises:
[0006] A slide way;
[0007] A moving mechanism, which is slidingly arranged in the slide way, comprises a sleeve pipe, and a sliding assembly is connected to the sleeve pipe;
[0008] A locking mechanism, which is slidingly arranged on the sleeve pipe, is used for locking the moving mechanism at any position of the slide way;
[0009] The locking mechanism comprises a trigger part, a reset part and a locking part. The trigger part is used for accepting external force control and pushing the locking part to be unlocked. The reset part is used for pushing the trigger part to be reset and making the locking part to be locked.
[0010] Preferably, the slide way comprises two parallel arranged guide rails, and a sliding groove is arranged on the opposite side of the two guide rails. The sleeve pipe is arranged between the two guide rails, and the sliding assembly on the sleeve pipe is slidingly limited in the sliding groove.
[0011] Preferably, the sliding assembly comprises a horizontal support fixedly connected to the sleeve pipe, and a pulley is rotatably connected to the two ends of the horizontal support and slidingly limited in the sliding groove.
[0012] Preferably, the trigger part comprises a button shaft slidingly connected in the sleeve, a top end of the button shaft is connected with a button, and a bottom end of the button shaft extends out of the sleeve and is fixedly connected with the locking part.
[0013] Preferably, the reset part comprises a mounting seat fixedly connected with a top end of the sleeve, a counterbore is formed in the mounting seat and coaxially arranged with the sleeve, a spring is slidingly sleeved on the button shaft, a bottom end of the spring abuts against a step of the counterbore, and a top end of the spring abuts against a bottom end of the button.
[0014] Preferably, the locking part comprises an adjusting block fixedly connected with a bottom end of the button shaft, two limiting blocks are connected to one side of the adjusting block close to the guide rail, the two limiting blocks are symmetrically arranged on two sides of the button shaft, a plurality of grooves are equidistantly formed in one side of the guide rail away from the button, the plurality of grooves are arranged along a length direction of the guide rail, and the grooves are matched with the limiting blocks.
[0015] The height adjusting mechanism of the backrest of the high-speed train seat comprises two vertical grooves parallelly formed in an upper part of a backrest of the seat, a slide is mounted in the vertical grooves, and two ends of the backrest are fixedly connected with the reset part.
[0016] Compared with the prior art, the height adjusting mechanism of the backrest of the high-speed train seat has the following advantages and technical effects:
[0017] The height adjusting mechanism of the backrest, the backrest and the high-speed train seat have the following advantages and technical effects: the slide is arranged to enable the moving mechanism to stably move in the slide; the trigger part is arranged to receive external pressing and transmit force to the locking part, so that the moving part is unlocked and can move on the slide; and when external force acting on the contact part is removed, the reset part is arranged to force the contact part to reset, so that the locking part limits the moving mechanism and the moving mechanism cannot continue to move after being locked at a certain position of the slide.
[0018] The height adjusting mechanism is simple to operate and has high reliability, and when applied to the high-speed train seat, the comfort and riding experience of passengers are improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of the drawings:
[0020] Figure 1A structure schematic view of the height adjusting mechanism of the backrest is provided in the utility model.
[0021] Figure 2 A structure schematic view of the guide rail in the height adjusting mechanism of the backrest is provided in the utility model.
[0022] Figure 3 A structure schematic view of the moving mechanism and the locking mechanism in the utility model is provided.
[0023] Figure 4 A structure schematic view of the reset part in the utility model is provided.
[0024] Figure 5 A structure schematic view of the high-speed train seat in the utility model is provided.
[0025] 1, guide rail; 2, groove; 3, mounting seat; 4, button shaft; 5, adjusting block; 6, limiting block; 7, sleeve; 8, horizontal support; 9, pulley; 10, sliding groove; 11, button; 12, spring; 13, dust strip; 14, backrest; 15, vertical slot. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] In order to make the above object, features and advantages of the utility model more apparent, obvious and easy to understand, the utility model will be further described in detail below with reference to the drawings and specific embodiments.
[0028] Referring to Figures 1 to 5 The utility model provides a height adjusting mechanism of backrest, which comprises:
[0029] Slide way;
[0030] Moving mechanism, the moving mechanism is slidably arranged in the slide way, and the moving mechanism comprises a sleeve 7, and a sliding assembly is connected to the sleeve 7;
[0031] Locking mechanism, the locking mechanism is slidably arranged on the sleeve 7, and the locking mechanism is used for locking the moving mechanism at any position of the slide way;
[0032] The locking mechanism comprises a trigger part, a reset part and a locking part, the trigger part is used for accepting external force control and pushing the locking part to unlock, and the reset part is used for pushing the trigger part to reset and making the locking part lock.
[0033] The moving mechanism can move smoothly in the slide through the slide, the trigger part receives external pressing and transmits force to the locking part to realize unlocking, so that the moving part is not restricted by the locking part and can move on the slide, and when the external force acting on the contact part is removed, the reset part forces the contact part to reset, the locking part limits the moving mechanism and is locked at a position of the slide and cannot continue to move.
[0034] Further, the slide includes two parallel guide rails 1, and the opposite sides of the two guide rails 1 are provided with sliding grooves 10, and the sleeve 7 is arranged between the two guide rails 1, and the sliding assembly on the sleeve 7 is slidingly limited in the sliding groove 10.
[0035] The sliding assembly can drive the sleeve 7 to stably move in the two sliding grooves 10, reduce friction resistance, and move more smoothly, and appropriate amount of lubricating grease can be applied in the sliding groove 10.
[0036] Further, the sliding assembly includes a horizontal support 8 fixedly connected to the sleeve 7, and both ends of the horizontal support 8 are rotatably connected with pulleys 9, and the pulleys 9 are slidingly limited in the sliding groove 10.
[0037] The pulleys 9 cooperate with the sliding groove 10 to ensure that the sleeve 7 stably moves on the predetermined path. The sliding groove 10 provides clear guidance for the pulleys 9 to prevent them from deviating from the track, thereby ensuring the reliability of the sleeve 7.
[0038] Further, the trigger part includes a button shaft 4 slidingly connected in the sleeve 7, the top end of the button shaft 4 is connected with a button 11, and the bottom end of the button shaft 4 extends out of the sleeve 7 and is fixedly connected with the locking part.
[0039] The button 11 triggers the locking part to unlock through the button shaft 4 by pressing the button 11.
[0040] Further, the reset part includes a mounting seat 3 fixedly connected with the top end of the sleeve 7, the mounting seat 3 is provided with a counterbore, the counterbore is coaxially arranged with the sleeve 7, a spring 12 is slidingly arranged on the button shaft 4, the bottom end of the spring 12 abuts against a step of the counterbore, and the top end of the spring 12 abuts against the bottom end of the button 11.
[0041] The spring 12 pushes the button 11 upward, the button 11 drives the button shaft 4 and the locking part to move close to the guide rail 1, and the locking is realized, that is, the locking part is in a normal locking state when the button 11 is not pressed by external force.
[0042] Further, the locking part includes an adjusting block 5 fixedly connected to the bottom end of the button shaft 4, two limiting blocks 6 are connected to the side of the adjusting block 5 close to the guide rail 1, the two limiting blocks 6 are symmetrically arranged on the two sides of the button shaft 4, a plurality of grooves 2 are equidistantly arranged on the side of the guide rail 1 away from the button 11, the plurality of grooves 2 are arranged along the length direction of the guide rail 1, and the grooves 2 are matched with the limiting blocks 6.
[0043] The spring 12 is arranged to push the button 11 upwards, the button 11 drives the button shaft 4 and the adjusting block 5 to be close to the guide rail 1, the limiting blocks 6 on the adjusting block 5 are buckled into the grooves 2 on the guide rail 1 to be limited, and then the locking of the moving mechanism on the guide rail 1 is realized.
[0044] The utility model provides a kind of height adjusting mechanism of backrest included in high-speed train seat, two vertical grooves 15 are parallelly arranged on the backrest upper portion of seat, slide is installed in vertical groove 15, and the both ends of backrest 14 are fixedly connected with the mounting seat 3 on reset part.For preventing dust or foreign matter from entering vertical groove 15 to cause jam, dust strip 13 is slidably sleeved on sleeve 7, and dust strip 13 is fixed at the edge of vertical groove 15, to realize the full coverage of vertical groove 15.
[0045] The high-speed train seat is described as follows:
[0046] The high-speed train seat is an important facility for passengers to sit in high-speed railway trains, and its design, function and comfort have an important influence on the passenger's ride experience. The following is a detailed introduction to the high-speed train seat:
[0047] I. Seat type and configuration
[0048] High-speed train seats are usually divided into three types: second-class seats, first-class seats and business seats, according to different car types and passenger needs.
[0049] Second-class seat: each row has 5 seats, adopts "2+3" layout, and the middle is a passageway. The seat usually uses blue velvet sofa, and the ticket price is relatively economical and practical. In order to meet the larger passenger capacity, the second-class seat reduces some service facilities accordingly to save more seating space.
[0050] First-class seat: each row has 4 seats, adopts "2+2" layout, and the middle is a passageway. The seat uses red velvet sofa, which is larger than the second-class seat, and the distance between the front and rear seats is larger, providing higher comfort. The first-class seat is also equipped with additional facilities such as velvet footboard, adjustable backrest angle, foldable small table board, etc. to meet the diversified needs of passengers.
[0051] Business Class: The seats are usually individual seats, arranged in the first-class or business-class carriages of the train, providing the most spacious seating and legroom. The seats can be adjusted to a flat position and equipped with advanced facilities such as reading lights, power outlets, USB interfaces, and wireless charging functions, as well as personalized services such as catering.
[0052] II. Seat Design Features
[0053] Comfort: High-speed train seats are optimally designed in terms of hardness and comfort, neither too hard to make passengers uncomfortable, nor too soft to cause passengers to feel tired in the waist after a long time sitting. The width of the seat, the softness of the cushion, and the support of the backrest are carefully considered to ensure passenger comfort.
[0054] Adjustability: Some high-speed train seats have adjustable performance, allowing passengers to adjust the height and backrest angle according to their needs. This design can meet the needs of passengers of different heights and body types, improving the comfort of the ride.
[0055] Humanized design: There are also some small storage spaces or trays around the seat for passengers to place items or food, increasing the practicality and convenience of the seat. In addition, the seat adopts a 180° rotating structure, allowing passengers to face the direction of travel, improving the comfort of the ride.
[0056] III. Intelligent and Multifunctional Trend
[0057] With the continuous development of technology, high-speed train seats are gradually becoming intelligent and multifunctional. In the future, seats may be equipped with sensors and other advanced technologies to achieve automatic adjustment functions, such as adjusting the hardness of the seat according to the passenger's body temperature and weight. At the same time, the seat will integrate more functions, such as built-in screens, power outlets, USB interfaces, and wireless charging functions, to meet the needs of passengers in work, entertainment, and rest.
[0058] IV. Sustainable Transportation Integration
[0059] The design of high-speed train seats also takes into account the integration with other transportation tools. In the future, seats may be better connected with other transportation tools such as airplanes, subways, and buses, providing passengers with a multi-modal convenient travel experience. This integration is not limited to physical connection, but also includes seamless connection in terms of services, payments, and information.
[0060] In summary, as an important part of high-speed railway trains, the design, function, and comfort of high-speed train seats have a significant impact on the passenger's travel experience. With the continuous progress of technology and the diversification of passenger needs, high-speed train seats will continue to develop towards intelligence, multifunctionality, and humanization.
[0061] The unlocking of the locking part is realized by pressing the button 11, and the moving of the headrest 14 along the up-down direction of the seat back is realized by pushing the headrest 14, when the appropriate position is adjusted, the two buttons 11 are released synchronously, and the locking part is locked under the action of the reset part, at this time, the headrest 14 cannot be moved on the seat back.
[0062] The height adjusting mechanism of the headrest, the headrest and the high-speed train seat have the following working principle: the passenger presses the button 11 by both hands according to the height and sitting posture of the passenger, the button 11 drives the button shaft 4 and the adjusting block 5 to move away from the guide rail 1, then the limiting block 6 on the adjusting block 5 is out of the groove 2 on the guide rail 1, and the unlocking is realized, at this time, the position of the movable headrest 14 on the seat back can be adjusted until the appropriate position is reached, and the button 11 is released synchronously by both hands, the spring 12 pushes the button 11 upwards, the button 11 drives the button shaft 4 and the adjusting block 5 to move close to the guide rail 1, the limiting block 6 on the adjusting block 5 is buckled into the groove 2 on the guide rail 1 for limiting, and then the locking of the moving mechanism on the guide rail 1 is realized. At this time, the headrest 14 cannot be moved on the seat back, and the height adjustment of the headrest 14 is completed.
[0063] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.
[0064] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application.
Claims
1. A height adjustment mechanism for a headrest, characterized in that: include: slide; A moving mechanism, the moving mechanism being slidably arranged in the slideway, the moving mechanism comprising a sleeve (7), and a sliding assembly being connected to the sleeve (7); A locking mechanism, the locking mechanism being slidably arranged on the sleeve (7), and the locking mechanism being used to lock the moving mechanism at any position of the slideway; The locking mechanism includes a trigger part, a reset part and a locking part. The trigger part is used to accept external force control and push the locking part to unlock; the reset part is used to push the trigger part to reset and lock the locking part.
2. The height adjustment mechanism of the headrest according to claim 1, characterized in that: The slideway comprises two parallel guide rails (1), and opposite sides of the two guide rails (1) are provided with slide grooves (10). The sleeve (7) is arranged between the two guide rails (1), and the sliding assembly on the sleeve (7) is slidably limited in the slide groove (10).
3. The height adjustment mechanism of the headrest according to claim 2, characterized in that: The sliding assembly comprises a horizontal bracket (8) fixedly connected to the sleeve (7), both ends of the horizontal bracket (8) are rotatably connected to pulleys (9), and the pulleys (9) are slidably limited in the sliding groove (10).
4. The height adjustment mechanism of the headrest according to claim 2, characterized in that: The trigger portion comprises a button shaft (4) slidably connected in the sleeve (7), the top end of the button shaft (4) is connected to a button (11), and the bottom end of the button shaft (4) extends out of the sleeve (7) and is fixedly connected to the locking portion.
5. The height adjustment mechanism of the headrest according to claim 4, characterized in that: The reset portion comprises a mounting seat (3) fixedly connected to the top end of the sleeve (7), a countersunk hole is provided on the mounting seat (3), the countersunk hole is coaxially arranged with the sleeve (7), a spring (12) is slidably sleeved on the button shaft (4), the bottom end of the spring (12) abuts against the step of the countersunk hole, and the top end of the spring (12) abuts against the bottom end of the button (11).
6. The height adjustment mechanism of the headrest according to claim 4, characterized in that: The locking portion comprises an adjusting block (5) fixedly connected to the bottom end of the button shaft (4); the adjusting block (5) is connected to two limit blocks (6) on one side close to the guide rail (1); the two limit blocks (6) are symmetrically arranged on both sides of the button shaft (4); a plurality of grooves (2) are evenly spaced on the side of the guide rail (1) away from the button (11); the plurality of grooves (2) are arranged along the length direction of the guide rail (1), and the grooves (2) are adapted to the limit blocks (6).
7. A high-speed train seat, comprising the headrest height adjustment mechanism according to any one of claims 1 to 6, characterized in that: Two vertical grooves (15) are parallelly provided on the upper part of the seat backrest, the slideway is installed in the vertical grooves (15), and both ends of the pillow (14) are fixedly connected to the reset part.