Angle-adjustable seat hand support and seat

Abstract

The utility model relates to an angle-adjustable seat hand support which is provided with a front bracket, a rear bracket and an adjusting and positioning mechanism, the adjusting and positioning mechanism comprises a button, an adjusting block, an elastic piece and a positioning block, the rear bracket is provided with an adjusting groove, the button is installed on the side edge of the front bracket, and the adjusting block is driven to rotate by pressing the button. Then the adjusting block drives the positioning block to move forwards and backwards in the front bracket, that is, the adjusting block is embedded in the adjusting groove and separated from the adjusting groove, so that angle adjustment between the front bracket and the rear bracket is achieved, the whole adjusting process only needs to press the button and then lift or press the front bracket, the use experience of a user can be effectively enhanced, and the user experience is improved. The fatigue feeling of arms is reduced, and popularization and application of the angle-adjustable seat hand support on a seat are facilitated. The seat is provided with the seat hand support capable of adjusting the angle, and the seat also has the advantages of increasing the functions of the seat and enhancing the use experience of the user at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, concretely is a seat hand that can adjust angle and seat. BACKGROUND

[0002] The seat is the furniture that daily life is commonly used, can see in the family, school, office building, shop, cinema, auditorium etc. place. The handrail is the important component part of seat, but the current majority seat handrail function is single, inconvenient to install, the structure is not enough reasonable.

[0003] In order to provide more comfortable support to the arm of user, the seat in prior art gradually designs the hand into the structure that angle can be adjusted to satisfy the use demand of different users. However, the operating button is usually designed at the end of hand in prior art, when user needs to adjust the angle of hand, often needs to outwardly scratch the button or adjusting piece, leading to the poor user experience, influence the promotion and application of above-mentioned seat in market. UTILITY MODEL CONTENT

[0004] In order to overcome the defect in prior art, the first utility model purpose of the utility model is to provide a seat hand that can adjust angle, the seat hand structure is ingenious, sets up the button at the side of hand, realizes the angle adjustment of hand through pressing button, thereby reduces the fatigue feeling of arm, enhances the user experience, is favorable to the promotion and application of above-mentioned seat hand that can adjust angle on seat.

[0005] The seat hand that can adjust angle and a seat above-mentioned are in the technology interrelation, belong to the same utility model concept.

[0006] In order to achieve the first utility model purpose, the utility model discloses the following technical scheme: a seat hand support capable of adjusting angle, for installing in the armrest support of seat, the seat hand support includes the front bracket for supporting forearm and the rear bracket for supporting rear arm for split structure, the front bracket with the rear bracket junction is equipped with the adapter that can make the angle of front bracket relative to the rear bracket adjust, the seat hand support still includes the adjusting positioning mechanism for fixing the angle between the front bracket with the rear bracket, the adjusting positioning mechanism includes button, adjusting block, elastic piece and positioning block, the front bracket is hollow structure, adjusting block, elastic piece and positioning block all install in the front bracket, the button is installed in the side of the front bracket and partially extends to the front bracket for abutting on adjusting block in, the elastic piece is installed between adjusting block and the inner wall of the front bracket, the positioning block is installed on adjusting block and can follow the rotation of adjusting block and realize its position movement in the length direction of the front bracket, the one end of the front bracket with the rear bracket contact still is equipped with the extension groove that the positioning block extends, the rear bracket has a plurality of adjusting grooves for the end of positioning block embeds to realize the angle adjustment of the front bracket on the rear bracket.

[0007] As a preferred scheme of the utility model, the adjusting groove is multiple, and the end of the rear bracket is provided with an arc, and the multiple adjusting grooves are equidistantly arranged along the end of the rear bracket.

[0008] As a preferred scheme of the utility model, the front bracket one end has a front bracket connecting portion, and a front bracket connecting hole is formed along the length direction of the front bracket connecting portion, correspondingly, the end of the rear bracket has a rear bracket connecting portion, and a rear bracket connecting hole is formed in the rear bracket connecting portion, and the adapter is used for being arranged in the front bracket connecting hole and the rear bracket connecting hole to realize the rotary connection between the front bracket and the rear bracket.

[0009] As a preferred scheme of the utility model, the front bracket connecting portion is one, the rear bracket connecting portion is two, the two rear bracket connecting portions are arranged at intervals and the interval size is matched with the front bracket connecting portion, and the adjusting groove is formed in the end of the rear bracket connecting portion; the end of the positioning block away from the button is split structure and is used for embedding in the adjusting groove on the two rear bracket connecting portions.

[0010] As a preferred scheme of the utility model, the adjusting block has the abutting end abutting with one end of the button and the cooperation end being arranged at intervals with the inner wall of the front bracket, and the abutting end and the cooperation end are transitioned through the concave arc, and the side of the cooperation end is provided with the mounting column for the elastic piece installation.

[0011] As a preferred scheme of the utility model, the adjusting block is irregular in shape and the main body is cylindrical, a rotating hole is arranged at the central position of the main body, a rotating limiting piece is arranged in the front bracket, and the rotating limiting piece is arranged in the rotating hole and the uppermost end of the rotating limiting piece does not exceed the surface of the adjusting block.

[0012] As a preferred scheme of the utility model, a guide column is further arranged in the front bracket, and the positioning block is provided with a guide sliding groove matched with the guide column, and the guide sliding groove is arranged along the length direction of the positioning block.

[0013] As a preferred scheme of the utility model, the adapter is a pin shaft.

[0014] As a preferred scheme of the utility model, the front bracket and the rear bracket are provided with a cover plate above, and a foaming plate is arranged below the cover plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that the seat hand support capable of adjusting the angle is ingenious in structure, the front bracket, the rear bracket and the adjusting and positioning mechanism are arranged, the adjusting and positioning mechanism comprises a button, an adjusting block, an elastic piece and a positioning block, the adjusting groove is arranged on the rear bracket, the button is arranged on the side of the front bracket, the adjusting block is driven to rotate by pressing the button, the positioning block is driven to move forward and retract in the front bracket by the adjusting block, namely, the embedding and separation of the adjusting block in the adjusting groove are realized, thereby the angle adjustment between the front bracket and the rear bracket is realized, the whole adjusting process only needs to press the button and then lift or press the front bracket, the use experience of the user can be effectively enhanced, the fatigue of the arm is reduced, and the seat hand support capable of adjusting the angle is conducive to the promotion and application on the seat.

[0016] In order to realize the above-mentioned second utility model purpose, the utility model adopts the following technical scheme: a seat comprising the seat hand support capable of adjusting the angle.

[0017] Compared with the prior art, the utility model has the beneficial effects that the seat of the utility model applies the hand support, the hand is relaxed or exercised by arranging the hand support capable of adjusting the angle, the use experience of the user is enhanced while the seat function is enhanced, and the seat is conducive to the promotion and application in the market. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structure schematic view of the seat hand support capable of adjusting the angle in the embodiment;

[0019] Figure 2 is a structure split schematic view of the seat hand support capable of adjusting the angle in the embodiment;

[0020] Figure 3 is a structural schematic diagram of a front bracket in the embodiment;

[0021] Figure 4 is a structural schematic diagram of a front bracket in the embodiment;

[0022] Figure 5 is a structural schematic diagram of a rear bracket in the embodiment;

[0023] Figure 6 is a partial structural schematic diagram of an angle-adjustable seat handrest in the embodiment;

[0024] Figure 7 is a structural schematic diagram of an adjusting block in the embodiment;

[0025] Figure 8 is a structural schematic diagram of a positioning block in the embodiment.

[0026] Reference signs: 1, armrest support; 2, front bracket; 2-1, extension groove; 2-2, front bracket connecting part; 2-3, front bracket connecting hole; 2-4, rotation limiting piece; 2-5, guide column; 3, rear bracket; 3-1, adjusting groove; 3-2, rear bracket connecting part; 3-3, rear bracket connecting hole; 4, adapter; 5, button; 6, adjusting block; 6-1, abutting end; 6-2, matching end; 6-3, mounting column; 6-4, rotation hole; 7, elastic piece; 8, positioning block; 8-1, guide sliding groove; 9, cover plate; 10, foamed plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear and understandable, the following will describe the present application through specific embodiments shown in the drawings. However, it should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0028] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the device or element indicated to have a specific orientation, to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0029] The embodiments of the present application will be described in detail below with reference to the drawings.

[0030] Embodiment: as Figures 1 to 8As shown, an angle-adjustable seat handrest is mainly used for mounting on a handrest support 1 of a seat, the handrest support 1 serves to support the seat handrest, so that the seat handrest is installed at a certain height and meets the ergonomic design. Specifically, the seat handrest in the embodiment mainly consists of a front bracket 2 for supporting a forearm and a rear bracket 3 for supporting a rear arm, which are in a split structure. An adapter 4 for adjusting the angle of the front bracket 2 relative to the rear bracket 3 is arranged at the connection between the front bracket 2 and the rear bracket 3. The adapter 4 can be a pin shaft with simple structure and high economic practicality. The front bracket 2 and the rear bracket 3 are connected through the pin shaft to prevent them from being separated during use. A rotation center is formed at the pin shaft, so that the front bracket 2 can rotate relative to the rear bracket 3 to adjust the angle, thereby meeting the use requirements of users and enhancing the use experience. In order to fix the angle of the front bracket 2 on the rear bracket 3, the seat handrest in the embodiment further comprises an adjusting and positioning mechanism. Through the adjusting and positioning mechanism, the front bracket 2 and the rear bracket 3 can be arranged in parallel, or the adjusting angle therebetween can be 15°, 30° or 45°, etc. The specific setting angle is not limited herein, and mainly meets the ergonomic design.

[0031] In order to facilitate operation, reduce operation difficulty, and simplify the structure of the above-mentioned adjusting and positioning mechanism as much as possible, make the seat handrest as thin as possible, thereby saving production materials and reducing production cost, the above-mentioned adjusting and positioning mechanism in the embodiment mainly consists of a button 5, an adjusting block 6, an elastic member 7, and a positioning block 8. In order to facilitate the installation of part of the components of the above-mentioned adjusting and positioning mechanism in the above-mentioned front bracket 2, the above-mentioned front bracket 2 in the embodiment is of a hollow structure, and the above-mentioned adjusting block 6, the above-mentioned elastic member 7, and the above-mentioned positioning block 8 are all installed in the above-mentioned front bracket 2. The height of the above-mentioned front bracket 2 is slightly greater than the total height of the above-mentioned adjusting block 6 and the above-mentioned positioning block 8, thereby making the seat handrest as thin as possible. The above-mentioned button 5 is installed on the side edge of the above-mentioned front bracket 2 and partially extends into the above-mentioned front bracket 2 for abutting against the above-mentioned adjusting block 6. The above-mentioned elastic member 7 is installed between the above-mentioned adjusting block 6 and the inner wall of the above-mentioned front bracket 2, and the elastic member 7 is an economical and practical spring. By arranging the spring, the above-mentioned positioning block 8 is installed on the above-mentioned adjusting block 6 and can move in the length direction of the above-mentioned front bracket 2 by following the rotation of the above-mentioned adjusting block 6. The end of the above-mentioned front bracket 2 in contact with the above-mentioned rear bracket 3 is further provided with an extension slot 2-1 for the extension of the above-mentioned positioning block 8. The above-mentioned rear bracket 3 has a plurality of adjusting slots 3-1 for the embedding of the end of the above-mentioned positioning block 8 to realize the angle adjustment of the above-mentioned front bracket 2 on the above-mentioned rear bracket 3. When the user needs to adjust the angle of the seat handrest, the above-mentioned button 5 is pressed to push the above-mentioned adjusting block 6, the adjusting block 6 deforms the elastic member 7 and pulls the positioning block 8 on the adjusting block 6, so that one end of the positioning block 8 is separated from the above-mentioned adjusting slot 3-1. Then, the front bracket 2 is lifted or pressed down to realize the angle adjustment of the front bracket 2, and the button 5 is released. When the external force applied to the above-mentioned button 5 is removed, the above-mentioned adjusting block 6 can return to the original position under the action of the above-mentioned elastic member 7, thereby embedding one end of the above-mentioned positioning block 8 in the above-mentioned adjusting slot 3-1, to realize the angle positioning of the front bracket 2, to meet the use requirements of the user and enhance the use experience of the user.

[0032] In order to realize the fixation of the handrest at different angles and meet the requirements of the user in different use scenarios, for example, the user can adjust the handrest to the most suitable angle according to his own sitting posture and comfort requirements. The above-mentioned adjusting slots 3-1 in the embodiment are a plurality of adjusting slots, and the end of the above-mentioned rear bracket 3 is arranged in an arc shape. The plurality of above-mentioned adjusting slots 3-1 are equidistantly arranged along the end of the above-mentioned rear bracket 3. The plurality of adjusting slots 3-1 can provide more refined angle adjustment, so that the handrest can more accurately adapt to the arm curves and use habits of different users. In the embodiment, by arranging a plurality of above-mentioned adjusting slots 3-1, compared with a continuous adjustable complex mechanism, the design of the plurality of adjusting slots 3-1 can simplify the structure of the handrest adjusting mechanism, reduce the number of components, thereby reducing the manufacturing cost and improving the reliability.

[0033] In order to simplify the connection between the front bracket 2 and the rear bracket 3, reduce the difficulty of production and installation, in the embodiment, the front bracket 2 is provided with a front bracket connecting part 2-2 at one end, and a front bracket connecting hole 2-3 is formed along the length direction of the front bracket connecting part 2-2. Correspondingly, the rear bracket 3 is provided with a rear bracket connecting part 3-2 at one end, and a rear bracket connecting hole 3-3 is formed in the rear bracket connecting part 3-2. The adapter 4 is used to be inserted into the front bracket connecting hole 2-3 and the rear bracket connecting hole 3-3 to realize the rotary connection between the front bracket 2 and the rear bracket 3, and the rotary center of the front bracket 2 on the rear bracket 3 is formed.

[0034] In the embodiment, in order to ensure the stability of the hand support structure during use, the front bracket connecting part 2-2 is one, and the rear bracket connecting part 3-2 is two. The two rear bracket connecting parts 3-2 are arranged at intervals, and the interval is matched with the front bracket connecting part 2-2. The adjusting groove 3-1 is formed at the end of the rear bracket connecting part 3-2. One end of the positioning block 8 away from the button 5 is a split structure and is used to be inserted into the adjusting groove 3-1 on the two rear bracket connecting parts 3-2.

[0035] The adjusting block 6 in the embodiment is irregular in shape, and the material is saved under the premise of meeting the use requirements. The adjusting block 6 has an abutting end 6-1 abutting one end of the button 5 and a matching end 6-2 arranged at an interval with the inner wall of the front bracket 2. The abutting end 6-1 and the matching end 6-2 are transitioned by an arc-shaped concave. The side of the matching end 6-2 is provided with a mounting column 6-3 for mounting the elastic member 7. The mounting column 6-3 can avoid the elastic member 7 from jumping off during installation and use, thereby ensuring the use performance of the hand support. The adjusting block 6 is irregular in shape and the main body is cylindrical. A rotating hole 6-4 is formed at the center of the main body. The front bracket 2 is provided with a rotating limiting part 2-4. The rotating limiting part 2-4 is used to be inserted into the rotating hole 6-4, and the uppermost end of the rotating limiting part 2-4 does not exceed the surface of the adjusting block 6, thereby not affecting the installation of the positioning block 8.

[0036] The aforementioned front bracket 2 also houses a guide post 2-5, and the aforementioned positioning block 8 has a guide groove 8-1 adapted to the guide post 2-5. The guide post 2-5 can move back and forth within the guide groove 8-1. The cooperation between the guide post 2-5 and the guide groove 8-1 ensures that the handrail moves smoothly along a predetermined trajectory during adjustment, avoiding instability caused by shaking or deviation. This effectively reduces handrail vibration during adjustment and improves user comfort. The guide groove 8-1 is set along the length of the positioning block 8, allowing precise control of the handrail's adjustment position. This ensures accurate positioning of the handrail at different angles or positions, avoiding inconvenience caused by positional deviations. The design of the guide post 2-5 and the guide groove 8-1 also simplifies the assembly process of the handrail adjustment mechanism. Through the cooperation of the guide post 2-5 and the guide groove 8-1, component installation is more convenient, reducing assembly time and costs.

[0037] The aforementioned front bracket 2 and rear bracket 3 are equipped with a cover plate 9 above them, and a foam board 10 is installed below the cover plate 9. The main function of the foam board 10 is to provide soft and comfortable support for the passenger's arms. The foam material has good elasticity and cushioning, which can reduce the pressure on the arms and make users feel more comfortable when sitting for a long time. The combined design of the cover plate 9 and the foam board 10 can enhance the overall structural stability of the handrail. The cover plate 9 plays a protective and fixing role, while the foam board 10 provides necessary cushioning and support. The combination of the two can ensure that the handrail will not be deformed or damaged by external forces during use.

[0038] The adjustable armrest in this embodiment can be applied to chairs including but not limited to office chairs, which can further enhance the functionality of the chair and improve the user experience.

[0039] This embodiment presents an adjustable seat armrest with an ingenious structure. It comprises a front support 2, a rear support 3, and an adjustment and positioning mechanism. The mechanism includes a button 5, an adjustment block 6, an elastic element 7, and a positioning block 8. An adjustment groove 3-1 is provided on the rear support 3. The button 5 is mounted on the side of the front support 2. Pressing the button 5 drives the adjustment block 6 to rotate, which in turn moves the positioning block 8 forward and backward within the front support 2. This allows the adjustment block 6 to be inserted into and separated from the adjustment groove 3-1, thus achieving angle adjustment between the front support 2 and the rear support 3. The entire adjustment process requires only pressing the button 5 and then lifting or lowering the front support 2. This effectively enhances the user experience, reduces arm fatigue, and promotes the widespread adoption and application of this adjustable seat armrest in seats.

[0040] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein and with the appended claims.

[0041] Although the terms: 1, armrest support; 2, front bracket; 2-1, extension groove; 2-2, front bracket connecting part; 2-3, front bracket connecting hole; 2-4, rotation limiting piece; 2-5, guide column; 3, rear bracket; 3-1, adjusting groove; 3-2, rear bracket connecting part; 3-3, rear bracket connecting hole; 4, adapter; 5, button; 6, adjusting block; 6-1, abutting end; 6-2, matching end; 6-3, mounting column; 6-4, rotating hole; 7, elastic piece; 8, positioning block; 8-1, guide sliding groove; 9, cover plate; 10, foaming plate, etc. are used more frequently in the text, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the application; it is against the spirit of the application to interpret them as any kind of additional limitation.

Claims

1. An angle-adjustable seat armrest, characterized by: The application discloses a hand support for a seat, which comprises a front bracket (2) for supporting a forearm and a rear bracket (3) for supporting a rear arm, the front bracket (2) and the rear bracket (3) are connected and provided with an adapter (4) for adjusting the angle between the front bracket (2) and the rear bracket (3), and the hand support further comprises an adjusting and positioning mechanism for fixing the angle between the front bracket (2) and the rear bracket (3), the adjusting and positioning mechanism comprises a button (5), an adjusting block (6), an elastic member (7) and a positioning block (8), the front bracket (2) is a hollow structure, the adjusting block (6), the elastic member (7) and the positioning block (8) are arranged in the front bracket (2), the button (5) is arranged on the side of the front bracket (2) and partially extends into the front bracket (2) to abut against the adjusting block (6), the elastic member (7) is arranged between the adjusting block (6) and the inner wall of the front bracket (2), the positioning block (8) is arranged on the adjusting block (6) and can move along with the rotation of the adjusting block (6) to realize the position movement of the positioning block (8) in the length direction of the front bracket (2), one end of the front bracket (2) in contact with the rear bracket (3) is further provided with an extension groove (2-1) for the extension of the positioning block (8), and the rear bracket (3) is provided with a plurality of adjusting grooves (3-1) for embedding the end of the positioning block (8) to realize the angle adjustment of the front bracket (2) on the rear bracket (3).

2. The angularly adjustable seat armrest of claim 1, wherein: The adjusting grooves (3-1) are a plurality of adjusting grooves, the end of the rear bracket (3) is provided with an arc, and the plurality of adjusting grooves (3-1) are equidistantly arranged along the end of the rear bracket (3).

3. The angularly adjustable seat armrest of claim 1, wherein: The front bracket (2) is provided with a front bracket connecting portion (2-2) at one end, a front bracket connecting hole (2-3) is formed along the length direction of the front bracket connecting portion (2-2), correspondingly, the end of the rear bracket (3) is provided with a rear bracket connecting portion (3-2), the rear bracket connecting portion (3-2) is provided with a rear bracket connecting hole (3-3), and the adapter (4) is arranged in the front bracket connecting hole (2-3) and the rear bracket connecting hole (3-3) to realize the rotary connection between the front bracket (2) and the rear bracket (3).

4. An angularly adjustable seat rest according to claim 3, wherein: The front bracket connecting portion (2-2) is one, the rear bracket connecting portion (3-2) is two, the two rear bracket connecting portions (3-2) are arranged at intervals and the interval is matched with the front bracket connecting portion (2-2), and the adjusting grooves (3-1) are formed in the end of the rear bracket connecting portion (3-2); one end of the positioning block (8) away from the button (5) is a split structure and is arranged in the adjusting grooves (3-1) on the two rear bracket connecting portions (3-2) respectively.

5. The angularly adjustable seat armrest of claim 3, wherein: The adjusting block (6) has an abutting end (6-1) abutting with one end of the button (5) and a matching end (6-2) arranged in a gap with the inner wall of the front bracket (2), the abutting end (6-1) and the matching end (6-2) are connected through an arc-shaped transition, the side of the matching end (6-2) is provided with a mounting column (6-3) for mounting the elastic member (7).

6. An angularly adjustable seat armrest according to claim 5, wherein: The adjusting block (6) is irregularly shaped and the main body is cylindrical, a rotating hole (6-4) is arranged at the center position of the main body, the front bracket (2) is provided with a rotating limiting member (2-4), the rotating limiting member (2-4) is arranged in the rotating hole (6-4) and the uppermost end of the rotating limiting member (2-4) does not exceed the surface of the adjusting block (6).

7. An angularly adjustable seat rest as defined in claim 6, wherein: The front bracket (2) is further provided with a guide column (2-5), the positioning block (8) is provided with a guide sliding groove (8-1) matched with the guide column (2-5), the guide sliding groove (8-1) is arranged along the length direction of the positioning block (8).

8. The angularly adjustable seat armrest of claim 1, wherein: The adapter (4) is a pin shaft.

9. The angularly adjustable seat armrest of claim 1, wherein: The front bracket (2) and the rear bracket (3) are provided with a cover plate (9) above, the cover plate (9) is provided with a foaming plate (10) below.

10. A seat, characterized by: A seat hand rest capable of adjusting the angle, comprising any one of claims 1-9. A seat hand rest capable of adjusting the angle, comprising any one of claims 1-9.

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