Multi-dimensional adjustable armrest and seat with same

Abstract

The utility model relates to the technical field of seat facilities, in particular to a multi-dimensional adjustable armrest and a seat with the same, the armrest comprises a support and a supporting table mounted on the support, and the support comprises a fixing frame extending transversely, a supporting frame extending vertically and a mounting frame extending obliquely; the supporting frame is rotationally connected to the fixing frame and is configured to rotate around a rotating shaft extending transversely. The lower end of the mounting frame is rotationally connected to the supporting frame, and the mounting frame is configured to rotate on the supporting frame around a rotating shaft extending in the vertical direction; the supporting table is rotationally connected to the upper end of the mounting frame and is configured to rotate around a rotating shaft extending vertically on the mounting frame; a limiting structure for limiting the rotating angle of the supporting frame is arranged between the fixing frame and the supporting frame. The adjustable dimensions of the supporting table are more, so that the use experience can be optimized; the utility model further discloses a seat with the armrest.

Description

Technical Field

[0001] This utility model relates to the field of seating facilities technology, and more specifically to a multi-dimensional adjustable armrest and a seat having the armrest. Background Technology

[0002] In the field of ergonomics, the biomechanical support efficiency of armrest components in a chair directly affects the static load distribution efficiency of the user's upper limb skeletal muscle system. Studies have shown that when users are in a continuous sitting posture, such as while working, driving, or undergoing medical rehabilitation, an optimized armrest support system can effectively achieve the following biomechanical improvements: by maintaining the resting state of upper limb girdle muscles such as the trapezius and deltoid muscles, axial pressure on the C7-T1 intervertebral disc is reduced, while the compensatory contraction frequency of the erector spinae muscles is decreased.

[0003] Therefore, existing chair armrests typically employ a single-degree-of-freedom adjustment mechanism to accommodate varying human body dimensions. Typical implementations include a linear slide rail mechanism or a single-axis rotation mechanism between the support platform and the armrest frame. This allows the support platform to slide or rotate relative to the armrest frame, satisfying the different support needs of various occupants. However, in practical use, it has been found that the adjustable dimensions of these armrests in space cannot adequately meet diverse support requirements, resulting in an unsatisfactory user experience. Utility Model Content

[0004] One of the purposes of this invention is to address the shortcomings of existing technologies by providing a handrail with more adjustable dimensions of the support platform to optimize the user experience.

[0005] The second objective of this utility model is to provide a seat with the aforementioned armrests.

[0006] The technical solution of this utility model is as follows:

[0007] A multi-dimensional adjustable handrail, including a bracket and a support platform mounted on the bracket, the bracket including: a horizontally extending fixed frame, a vertically extending support frame and an inclined mounting frame;

[0008] The support frame is rotatably connected to the fixed frame and is configured to rotate about a laterally extending pivot.

[0009] The lower end of the mounting bracket is rotatably connected to the support frame and is configured to rotate about a vertically extending pivot on the support frame;

[0010] The support platform is rotatably connected to the upper end of the mounting frame and is configured to rotate about a vertically extending pivot on the mounting frame;

[0011] A limiting structure is provided between the fixed frame and the support frame to restrict the rotation angle of the support frame.

[0012] In some designs, the limiting structure includes:

[0013] The fixed frame has a first guide groove that extends in an arc around the rotation axis of the support frame;

[0014] The support frame has a first guide post that is inserted into the first guide groove;

[0015] When the support frame rotates, the first guide post is adapted to slide in the first guide groove to limit the rotation angle of the support frame.

[0016] In some designs, the support frame includes: a first support frame body connected to a fixed frame, and a second support frame body connected to a mounting frame;

[0017] The second support frame is slidably connected to the first support frame and can slide vertically.

[0018] The second support frame has a first connecting part, and the first support frame has a second connecting part for detachable connection of the first connecting part;

[0019] The first support frame is provided with multiple second connecting parts, which are arranged vertically at intervals. By connecting any second connecting part to the first connecting part, the support height of the support platform can be changed.

[0020] In some designs, the first support frame is provided with a docking part that forms the second connection part, and multiple docking parts are arranged at intervals in the vertical direction;

[0021] The second support frame includes a rotatable arm having a snap-fit ​​portion having a first connecting portion configured to snap into any mating portion.

[0022] When the second support frame slides to the point where the locking part can be aligned and locked with any mating part, the locking part is locked / disengaged from the mating part by rotating the rotating arm, so that the second support frame can be in a non-sliding locked state / sliding adjustable state.

[0023] The second support frame is equipped with a return mechanism capable of elastic deformation. This return mechanism is configured to apply an elastic force to the rotating arm to drive it to rotate until the locking part and the docking part are locked together.

[0024] In some designs, the support platform is rotatably connected to the mounting frame via a support base;

[0025] The support base is rotatably connected to the upper end of the mounting bracket and is configured to rotate on the mounting bracket about a vertically extending pivot.

[0026] The support platform is slidably connected to the support base and is configured to slide horizontally on the support base.

[0027] In some designs, a retaining element is also provided between the fixed frame and the support frame to fix the support frame to the fixed frame;

[0028] The retaining element is detachable, and by installing / removing the retaining element, the support frame can be in a non-rotatable locked state or a rotatable adjustable state.

[0029] In some designs, the mounting bracket has a laterally protruding adapter post, and the support bracket has an adapter slot into which the adapter post is inserted.

[0030] The adapter post is rotatably inserted into the adapter slot so that the support frame is rotatably connected to the fixed frame.

[0031] In some designs, the retaining element is a screw, the threaded end of which passes through the support frame and is screwed into the adapter post. The nut of the screw and the fixing frame together clamp and fix the support frame, so that: by installing / removing the screw, the support frame can be in a non-rotatable locked state / rotatable adjustable state.

[0032] Furthermore, the axis of the screw coincides with the axis of rotation of the support frame relative to the fixed frame.

[0033] In some designs, the support frame is connected to a protective cover formed by nuts placed outside the support frame to cover the screws;

[0034] The protective cover is configured to be detachably attached to the support frame.

[0035] The seat includes the multi-dimensional adjustable armrests described in any of the above options.

[0036] The main beneficial effects of the above technical solution are as follows:

[0037] By rotatably connecting the support frame to the fixed frame, and rotatably connecting the upper and lower ends of the mounting frame to the support platform and the support frame respectively, and by extending the mounting frame at an angle, the following can be achieved: the support platform can not only rotate on the horizontal plane, but also move horizontally along with the rotation of the mounting frame, and rotate vertically along with the support frame; this increases the dimensions that the support platform can move and the spatial area it can cover when moving, so as to better adapt to the different needs of human body size parameters and form support in multiple different positions in space, thus optimizing the user experience.

[0038] Further or more detailed beneficial effects will be described in conjunction with specific embodiments in the detailed implementation. Attached Figure Description

[0039] The present invention will be further described below with reference to the accompanying drawings:

[0040] Figure 1This is a schematic diagram of the overall structure of the handrail.

[0041] Figure 2 Schematic diagram of the connection structure between the fixed frame and the support frame Figure 1 .

[0042] Figure 3 Schematic diagram of the connection structure between the fixed frame and the support frame Figure 2 .

[0043] Figure 4 A schematic diagram of the connection structure between the fixing frame and the support frame when setting up the retaining element.

[0044] Figure 5 This is a schematic diagram of the mounting bracket connection structure.

[0045] Figure 6 This is a structural diagram of a retractable support frame. Detailed Implementation

[0046] The present invention will be illustrated with specific examples below:

[0047] Example 1:

[0048] Armrests are supporting structures used in a seat to provide a place for the occupant's hands, as shown in the attached image. Figure 1 As shown, it mainly includes a bracket 1 for fixing and connecting the seat cushion, and a support platform 2 installed on the bracket 1 for the passenger to place their hands.

[0049] Existing chair armrests typically employ a single-degree-of-freedom adjustment mechanism to accommodate varying human body dimensions. A typical implementation includes a linear slide rail mechanism or a single-axis rotation mechanism between the support platform 2 and the bracket 1, allowing the support platform 2 to slide or rotate relative to the bracket 1 to meet the support needs of different occupants. However, in practical use, it has been found that the adjustable dimensions of these armrests in space cannot adequately meet diverse support requirements, resulting in an unsatisfactory user experience.

[0050] Based on this, this embodiment provides: the support platform 2 has more adjustable dimensions to optimize the user experience of the handrail.

[0051] For details, see attached. Figure 1 To be continued Figure 5 As shown, the bracket 1 in this embodiment includes: a horizontally extending fixing frame 1.1, a vertically extending support frame 1.2, and an inclined extending mounting frame 1.3.

[0052] The support frame 1.2 is rotatably connected to the fixed frame 1.1, and the rotation axis of the support frame 1.2 is configured to extend laterally so that the support frame 1.2 can rotate about the laterally extending axis. The mounting frame 1.3 is placed on the support frame 1.2, and its lower end is rotatably connected to the support frame 1.2. The rotation axis of the mounting frame 1.3 is configured to extend vertically so that the mounting frame 1.3 can rotate about the vertically extending axis on the support frame 1.2. The support platform 2 is placed on the mounting frame 1.3, and its upper end is rotatably connected to the mounting frame 1.3. The rotation axis of the support platform 2 is configured to extend vertically so that the support platform 2 can rotate about the vertically extending axis on the mounting frame 1.3.

[0053] As attached Figure 5 As shown, in this embodiment, the fixed frame 1.1 has a laterally protruding adapter post 1.11, and the support frame 1.2 has an adapter groove 1.21 for inserting the adapter post 1.11. The adapter post 1.11 is rotatably inserted into the adapter groove 1.21 so that the support frame 1.2 is rotatably connected to the fixed frame 1.1. Of course, a limiting structure is also provided to prevent the adapter post 1.11 from disengaging from the adapter groove 1.21. In this way, the support frame 1.2 can not only rotate, but the fixed frame 1.1 can also provide better and more stable support for the support frame 1.2.

[0054] As attached Figure 5 As shown, in this embodiment, the upper end of the support frame 1.2 has an upwardly protruding first rotating connecting post 1.22, and the lower end of the mounting frame 1.3 has a first insertion hole 1.31. The first rotating connecting post 1.22 is rotatably inserted into the first insertion hole 1.31, so that the mounting frame 1.3 is rotatably connected to the support frame 1.2. Of course, a limiting structure is also provided to prevent the first rotating connecting post 1.22 from disengaging from the first insertion hole 1.31.

[0055] The rotating connection structure between the mounting bracket 1.3 and the support platform 2 can be set with reference to the first rotating connecting column 1.22 and the first insertion hole 1.31.

[0056] Meanwhile, a limiting structure is provided between the fixed frame 1.1 and the support frame 1.2 to limit the rotation angle of the support frame 1.2. The limiting structure is set according to the desired rotation angle of the support frame 1.2.

[0057] For example, attached Figure 2 To be continued Figure 3As shown, the limiting structure in this embodiment includes: a first guide groove 1.12 extending arcuately around the rotation axis of the support frame 1.2, with its opening facing the support frame 1.2; and a first guide post 1.22 protruding towards the fixed frame 1.1 and inserted into the first guide groove 1.12, matching the first guide groove 1.12. When the support frame 1.2 rotates, the first guide post 1.22 is confined within the first guide groove 1.12, sliding to limit the rotational angle of the support frame 1.2. The specific extension path and length of the first guide groove 1.12 can be set by those skilled in the art based on the desired rotation range and position of the support frame 1.2, and are not further limited here.

[0058] In this way, when the position of the support platform 2 needs to be adjusted, the support platform 2 can not only rotate in the horizontal plane, but also move horizontally along with the rotation of the mounting frame 1.3, and rotate vertically along with the support frame 1.2. Moreover, when the support platform 2 rotates with the support frame 1.2, it has at least two first guide posts 1.22 abutting against one end of the first guide groove 1.12 and the other end of the first guide groove 1.12, providing two spatial positions. This increases the dimensions that the support platform 2 can move and the spatial area it can cover during movement, so as to better adapt to the different needs of human body size parameters and form support in multiple different positions in space, thus optimizing the user experience.

[0059] Furthermore, for example, attached Figure 5 As shown, the support platform 2 is rotatably connected to the mounting frame 1.3 via the support base 5. The support base 5 is rotatably connected to the upper end of the mounting frame 1.3 and is configured to rotate about a vertically extending pivot on the mounting frame 1.3. The support platform 2 is slidably connected to the support base 5 using a common slide rail structure (e.g., a drawer-type slide rail structure) and is configured to slide horizontally on the support base 5. This further enhances the movable dimension of the support platform 2.

[0060] For example, see Appendix Figure 5 As shown, the lower end of the support base 5 has a vertically extending second rotating connecting post 5.1, and the upper end of the mounting bracket 1.3 has a second insertion hole 1.32 for inserting the second rotating connecting post 5.1. The second rotating connecting post 5.1 is rotatably inserted into the second insertion hole 1.32 so that the support base 5 is rotatably connected to the mounting bracket 1.3. Of course, a limiting structure is also provided to prevent the second rotating connecting post 5.1 from disengaging from the second insertion hole 1.32.

[0061] To further expand the dimensions of the adjustable support platform 2, the support frame 1.2 in this embodiment can be telescopic to change the support height of the support platform 2.

[0062] For example, attached Figure 6As shown, the support frame 1.2 in this embodiment includes a first support frame body 1.2a connected to the fixed frame 1.1, and a second support frame body 1.2b connected to the mounting frame 1.3. The second support frame body 1.2b is slidably connected to the first support frame body 1.2a and can slide vertically; the second support frame body 1.2b has a first connecting part, and the first support frame body 1.2a has a second connecting part for detachable connection of the first connecting part; the first support frame body 1.2a is provided with a plurality of second connecting parts, which are arranged at intervals in the vertical direction. By connecting any second connecting part to the first connecting part, the support height of the support platform 2 can be changed.

[0063] Specifically, in this embodiment, the second support frame 1.2b is fitted around the outer periphery of the first support frame 1.2a and is slidably connected to the first support frame 1.2a, so that the second support frame 1.2b can slide up and down on the first support frame 1.2a.

[0064] The first support frame 1.2a has an upward-facing cavity, and the second support frame 1.2b is connected to a rotating arm 1.2b1. The lower end of the rotating arm 1.2b1 is inserted into the cavity inside the first support frame 1.2a, and the upper end is rotatably connected to the second support frame 1.2b.

[0065] Furthermore, the cavity sidewall of the first support frame 1.2a is provided with a through-hole structure docking portion 1.2a1, which forms a second connecting portion, and multiple docking portions 1.2a1 are arranged at intervals in the vertical direction. The lower end of the rotating arm 1.2b1 has a locking portion 1.2b2 protruding toward the docking portion 1.2a1, which is configured to be able to be locked into any docking portion 1.2a1, so that the locking portion 1.2b2 forms a first connecting portion.

[0066] At this point, by driving the second support frame 1.2b to slide up and down on the first support frame 1.2a, when the second support frame 1.2b slides until the locking part 1.2b2 can be aligned and locked with any mating part 1.2a1, the locking part 1.2b2 is locked with the mating part 1.2a1 by rotating the rotating arm 1.2b1, so that the second support frame 1.2b can be in a non-sliding locked state; or, by rotating the rotating arm 1.2b1, the locking part 1.2b2 is disengaged from the mating part 1.2a1, so that the second support frame 1.2b can be in a sliding adjustable state. By locking the locking part 1.2b2 with different mating parts 1.2a1, the vertical length of the support frame 1.2 can be changed, thereby changing the support height of the support platform 2 to meet the support requirements at different heights.

[0067] Furthermore, the second support frame 1.2b is provided with a return mechanism 6 capable of elastic deformation, which is configured to apply an elastic force to the rotating arm 1.2b1 to drive it to rotate until the engaging part 1.2b2 engages with the docking part 1.2a1.

[0068] In this embodiment, for example, attached Figure 6 As shown, a pressing part 1.2b3 protrudes from the second support frame 1.2b and extends through it. The second support frame 1.2b has an opening to allow for the vertical movement of the pressing part 1.2b3. The pressing part 1.2b3 allows the passenger to press upwards to rotate the rotating arm 1.2b1, thereby disengaging the locking part 1.2b2 from the docking part 1.2a1. At this time, a spring-structured return mechanism 6 is located above the pressing part 1.2b3, positioned between the pressing part 1.2b3 and the second support frame 1.2b. When the pressing part 1.2b3 is pressed upwards, the spring-structured return mechanism 6 contracts under pressure. When the pressing action is released, the return mechanism 6 elastically resets, causing the rotating arm 1.2b1 to rotate in the opposite direction, thereby causing the locking part 1.2b2 to stably engage with the docking part 1.2a1.

[0069] In any of the above solutions, a retaining member 3 may also be provided between the fixed frame 1.1 and the support frame 1.2 to fix the support frame 1.2 on the fixed frame 1.1; the retaining member 3 is detachable, and by installing the retaining member 3, the support frame 1.2 can be locked in a non-rotatable state; or, by removing the retaining member 3, the support frame 1.2 can be adjusted in a rotatable state.

[0070] In this way, when the position of the support platform 2 needs to be adjusted, the fixing part 3 can be disassembled, so that the support platform 2 can not only rotate on the horizontal plane, but also move horizontally along with the rotation of the mounting frame 1.3, and rotate vertically along with the support frame 1.2; this increases the dimensions that the support platform 2 can move and the spatial area that it can cover when moving, so as to better adapt to the different needs of human body size parameters and form support in multiple different positions in space, thus optimizing the user experience.

[0071] After adjusting the support platform 2, the fixing component 3 can be installed to fix the support frame 1.2 on the fixing frame 1.1. Except that the support frame 1.2 cannot be rotated or adjusted, the support platform 2 can still rotate on the horizontal plane and can also move horizontally along with the rotation of the mounting frame 1.3.

[0072] Furthermore, as shown in the appendix Figures 2 to 3As shown, in this embodiment, the fixed frame 1.1 has a laterally protruding adapter post 1.11, and the support frame 1.2 has an adapter groove 1.21 into which the adapter post 1.11 is inserted; the adapter post 1.11 is rotatably inserted into the adapter groove 1.21 so that the support frame 1.2 is rotatably connected to the fixed frame 1.1. In this way, the support frame 1.2 can not only rotate, but the fixed frame 1.1 can also provide better and more stable support for the support frame 1.2.

[0073] At this point, the retaining element 3 is preferably a screw. The threaded end of the screw passes through the support frame 1.2 and is screwed into the adapter post 1.11. The nut of the screw and the fixing frame 1.1 together clamp and fix the support frame 1.2, so that: by installing the screw, the support frame 1.2 can be in a non-rotatable locked state; or by removing the screw, the support frame 1.2 can be in a rotatable adjustable state. Moreover, the axis of the screw coincides with the axis of rotation of the support frame 1.2 relative to the fixing frame 1.1.

[0074] Specifically, for example, attached Figure 2 To be continued Figure 3 As shown, the end of the adapter post 1.11 has a threaded hole 1.13 opening towards the support frame 1.2. The support frame 1.2 has a clearance hole 1.21 corresponding to the threaded hole 1.13 for the screw to pass through. The threaded end of the screw passes through the clearance hole 1.21 from the outside of the support frame 1.2 and is inserted into the threaded hole 1.13, and screwed into the inner wall of the threaded hole 1.13. Tightening the screw causes the screw nut and the fixing frame 1.1 to clamp and fix the support frame 1.2, that is, to fix the support frame 1.2 in a locked state where it cannot be rotated.

[0075] When it is necessary to change the position or angle of the support frame 1.2 as described above, the retaining member 3 of the screw structure is turned to disengage the screw from the threaded hole 1.13, thereby driving the support frame 1.2 to rotate. When rotated to the desired position, the screw is installed and tightened as described above, so that the support frame 1.2 is stably positioned on the fixed frame 1.1.

[0076] To protect the retaining element 3 from corrosion by foreign objects (such as dust or moisture), a protective cover 4 can be connected to the support frame 1.2, which covers the screws placed outside the support frame 1.2. The protective cover 4 is configured to be detachably connected to the support frame 1.2 by, for example, screws. In this case, the retaining element 3 can be installed or removed after the protective cover 4 is removed.

[0077] Example 2:

[0078] The seat includes a multi-dimensional adjustable armrest as described in any of the embodiments, and a seat cushion for a person to sit on. The armrest mounting bracket 1.1 is fixed to the seat cushion by, for example, screws, such that the armrest support 2 is positioned on the left or right side of the seat cushion, or above the edge of the seat cushion.

[0079] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model. Furthermore, the terms "vertical," "horizontal," "front," and "rear," etc., mentioned in the embodiments of the present utility model, indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships commonly used when the product is in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present utility model. It should be further noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," and "fixing" in the description should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, an indirect connection through an intermediate medium, or a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in the present utility model according to the specific circumstances.

[0080] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A multi-dimensional adjustable handrail, comprising a bracket (1) and a support platform (2) mounted on the bracket (1), characterized in that: The bracket (1) includes: a horizontally extending fixing frame (1.1), a vertically extending support frame (1.2), and an inclined extending mounting frame (1.3). The support frame (1.2) is rotatably connected to the fixed frame (1.1) and is configured to rotate about a laterally extending pivot. The lower end of the mounting bracket (1.3) is rotatably connected to the support frame (1.2) and is configured to rotate about a vertically extending pivot on the support frame (1.2); The support platform (2) is rotatably connected to the upper end of the mounting frame (1.3) and is configured to rotate on the mounting frame (1.3) about a vertically extending pivot. A limiting structure is provided between the fixed frame (1.1) and the support frame (1.2) to limit the rotation angle of the support frame (1.2).

2. The multi-dimensional adjustable armrest according to claim 1, characterized in that: The limiting structure includes: The fixing frame (1.1) has a first guide groove (1.12) that extends in an arc around the rotation axis of the support frame (1.2). The support frame (1.2) has a first guide post (1.22) that is inserted into the first guide groove (1.12). When the support frame (1.2) rotates, the first guide post (1.22) is confined in the first guide groove (1.12) to slidably limit the rotation angle of the support frame (1.2).

3. The multi-dimensional adjustable armrest according to claim 1, characterized in that: The support frame (1.2) includes: a first support frame body (1.2a) connected to the fixed frame (1.1), and a second support frame body (1.2b) connected to the mounting frame (1.3). The second support frame (1.2b) is slidably connected to the first support frame (1.2a) and can slide vertically; The second support frame (1.2b) has a first connecting part, and the first support frame (1.2a) has a second connecting part for detachable connection of the first connecting part; The first support frame (1.2a) is provided with a plurality of second connecting parts, which are arranged at intervals in the vertical direction. By connecting any of the second connecting parts to the first connecting part, the support height of the support platform (2) can be changed.

4. The multi-dimensional adjustable handrail according to claim 3, characterized in that: The first support frame (1.2a) is provided with a docking portion (1.2a1) forming the second connecting portion, and a plurality of the docking portions (1.2a1) are arranged at intervals in the vertical direction; The second support frame (1.2b) includes a rotatable arm (1.2b1) having a snap-fit ​​portion (1.2b2) having the first connecting portion formed thereon, the snap-fit ​​portion (1.2b2) being configured to snap into any of the connecting portions (1.2a1); When the second support frame (1.2b) slides to the point where the locking part (1.2b2) can be aligned and locked with any of the mating parts (1.2a1), the locking part (1.2b2) and the mating part (1.2a1) are locked / disengaged by rotating the rotating arm (1.2b1), so that the second support frame (1.2b) can be in a non-sliding locked state / sliding adjustable state; The second support frame (1.2b) is provided with a return mechanism (6) capable of elastic deformation. The return mechanism (6) is configured to apply an elastic force to the rotating arm (1.2b1) to drive it to rotate until the locking part (1.2b2) and the docking part (1.2a1) are locked together.

5. The multi-dimensional adjustable armrest according to claim 1, characterized in that: The support platform (2) is rotatably connected to the mounting frame (1.3) via the support base (5). The support base (5) is rotatably connected to the upper end of the mounting frame (1.3) and is configured to rotate on the mounting frame (1.3) about a vertically extending pivot. The support platform (2) is slidably connected to the support base (5) and is configured to slide horizontally on the support base (5).

6. The multi-dimensional adjustable handrail according to any one of claims 1 to 5, characterized in that: A retaining member (3) for fixing the support frame (1.2) to the fixed frame (1.1) is also provided between the fixed frame (1.1) and the support frame (1.2). The retaining member (3) is detachable. By installing / removing the retaining member (3), the support frame (1.2) is in a non-rotatable locked state / rotatable adjustable state.

7. The multi-dimensional adjustable handrail according to claim 6, characterized in that: The fixing frame (1.1) has a transversely protruding adapter post (1.11), and the support frame (1.2) has an adapter groove (1.21) for inserting the adapter post (1.11). The adapter post (1.11) is rotatably inserted into the adapter groove (1.21) so that the support frame (1.2) is rotatably connected to the fixed frame (1.1).

8. The multi-dimensional adjustable armrest according to claim 7, characterized in that: The retaining member (3) is a screw. The threaded end of the screw passes through the support frame (1.2) and is screwed into the adapter post (1.11). The nut of the screw and the fixing frame (1.1) together clamp and fix the support frame (1.2) so that: by installing / removing the screw, the support frame (1.2) can be in a non-rotatable locked state / rotatable adjustable state. Furthermore, the axis of the screw coincides with the axis of rotation of the support frame (1.2) relative to the fixing frame (1.1).

9. The multi-dimensional adjustable handrail according to claim 8, characterized in that: The support frame (1.2) is connected to a protective cover (4) that covers the screws by forming a nut outside the support frame (1.2). The protective cover (4) is configured to be detachably connected to the support frame (1.2).

10. A seat, characterized in that: It includes a multi-dimensional adjustable handrail as described in any one of claims 1 to 9.

Images