Armrest, seat and vehicle

Abstract

The utility model provides an armrest, a seat and a vehicle. Wherein the handrail comprises a body which provides a bearing surface for the handrail; the head part is connected with the body at the head of the body; an additional function member; the locking part comprises a first locking part and a second locking part, the first locking part is matched with the body for action, and the second locking part is matched with the head part for action; the unlocking part is connected with the first locking part and the second locking part; when the unlocking part is subjected to an unlocking force, the locking of the first locking part on the body can be relieved, and the locking of the second locking part on the head part can be relieved; wherein the armrest is provided with an armrest folding position or an armrest unfolding position, and the head part is provided with a head part folding position or a head part unfolding position.

Description

Technical Field

[0001] The present application relates to an armrest, a seat and a vehicle. Background Art

[0002] Seat armrests are commonly used in automobiles and are generally located on the side of the seat to provide a convenient place for passengers to place their arms. Seat armrests are often equipped with additional functional parts such as cup holders to provide additional functions such as supporting containers such as cups in addition to the basic functions of the armrests.

[0003] The armrest is configured to be rotatable to allow the armrest to be converted between a folded position and an extended position, in which the armrest is partially or completely embedded in a base extending from the side of the backrest of the seat for the occupant to lean on, and in the extended position, it is generally in a horizontal position to enable the occupant to place his arms.

[0004] In order to improve the comfort of the occupant leaning on the armrest when the armrest is in the folded position, a headrest is provided at the head of the armrest. However, when the armrest also has a cup holder, the user generally needs to unlock the armrest from the folded position to the deployed position, and then unlock the headrest from the folded position to the deployed position so that the cup holder can pop out. This requires the user to operate multiple times, which is inconvenient to use. Utility Model Content

[0005] The purpose of this application is to provide a handrail.

[0006] The purpose of this application is to provide a seat.

[0007] The purpose of this application is to provide a means of transportation.

[0008] In the first aspect, the present application provides an armrest, comprising: a body, providing a supporting surface of the armrest; a head component, connected to the body at the head of the body; an additional functional part; a locking part, comprising a first locking part and a second locking part, wherein the first locking part matches the body, and the second locking part matches the head component; an unlocking part, connected to the first locking part and the second locking part; when the unlocking part is subjected to an unlocking force, it is possible to release the locking of the body by the first locking part, and release the locking of the head component by the second locking part; wherein the armrest has an armrest folded position or an armrest extended position, and the head component has a head component folded position or a head component extended position, when the head component is located at the head component folded position, the head component is folded to stop the additional functional part from being extended, and when the head component is located at the head component extended position, the head component is extended to release the blocking of the additional functional part.

[0009] The solution introduced in the above embodiment, through the coordinated action of the head component, the additional functional component, the locking portion, and the unlocking portion, enables the armrest to be unlocked and moved from the folded position to the unfolded position, and the head component is also unlocked at the same time, so that when the armrest reaches the unfolded position, the additional functional component such as the cup holder can be unfolded and used, so that the user only needs to perform a single unlocking operation to unlock the armrest and the head component, thereby facilitating the unfolding of the additional functional component without the need for multiple operations, thereby improving the user's operating convenience and thus improving the user experience.

[0010] In one or more embodiments of the armrest, when the unlocking portion is subjected to an unlocking force, the lock of the main body by the first locking portion can be released, and the lock of the head component by the second locking portion can be released simultaneously, so that the armrest located at the armrest folded position and the head component located at the head component folded position are unlocked simultaneously, and when the armrest reaches the armrest extended position from the armrest folded position, the head component also reaches the head component extended position from the head component folded position.

[0011] In one or more embodiments of the armrest, the head component is connected to the body via a rotating shaft, and the second locking portion can be locked or unlocked with the rotating shaft; by rotating the head component around the rotating shaft, the head component moves between a folded position of the head component and an expanded position of the head component.

[0012] In one or more embodiments of the armrest, the rotating shaft is connected to a torsion elastic member; when the head component is rotated from the head component folded position to the head component expanded position, the torsion elastic member accumulates elastic force; when the head component is rotated from the head component expanded position to the head component folded position, the accumulated elastic force is released.

[0013] In one or more embodiments of the armrest, the first locking portion includes a locking pin and a retaining member, and the locking pin can be kept plug-in locked by the retaining force applied by the retaining member. When the unlocking portion receives the unlocking force, the unlocking portion pushes the locking pin to overcome the retaining force to release the plug-in, thereby unlocking.

[0014] In one or more embodiments of the armrest, the unlocking portion includes a first cable and a second cable, the first cable is connected to the first locking portion, and the second cable is connected to the second locking portion.

[0015] In one or more embodiments of the armrest, the main body is provided with a handle, which is connected to the unlocking portion, and the handle can receive an operating force and transmit it to the unlocking portion through an intermediate piece as the unlocking force; the head component is a headrest component, and the length extension direction of the main body is defined as a first direction. In the first direction, the first locking portion is located on the other side relative to the head, and the handle is located between the head component and the first locking portion, and the second cable extends from the intermediate piece to the second locking portion corresponding to the head component, and the second cable passes through the headrest rod of the headrest component; the first cable extends from the intermediate piece to the first locking portion.

[0016] In one or more embodiments of the armrest, the additional functional component includes a cup holder, and when the head component is located in the head component folded position, the cup holder is located in the internal space of the body; when the head component is located in the head component expanded position, the cup holder can pop out from the internal space of the body to the outside of the body.

[0017] In a second aspect, the present application provides a seat, wherein the side area of ​​the seat is provided with an armrest as described in the first aspect.

[0018] The beneficial effect is that the armrests are convenient for users to operate, thus improving the user experience of the chair.

[0019] In a third aspect, the present application provides a means of transportation, comprising the handrail as described in the first aspect.

[0020] The beneficial effect is that the handrail is easy for users to operate, thereby improving the user experience of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The above and other features, properties and advantages of the present application will become more apparent through the following description in conjunction with the accompanying drawings and embodiments, in which:

[0022] Figure 1 It is a schematic diagram of the structure of the seat when the armrests are in the folded position.

[0023] Figure 2 It is a structural schematic diagram of the seat when the armrest is in the unfolded position.

[0024] Figure 3 It is a structural schematic diagram of the seat when the armrest is between the armrest folded position and the armrest extended position.

[0025] FIG. 4A to FIG. 4C Schematic diagram of the structure of the handrail at different viewing angles.

[0026] Figure 5 It is a schematic diagram of the structure of the armrest when the head component is in the folded position.

[0027] Figure 6 It is a schematic diagram of the structure of the armrest when the head component is in the head component expanded position.

[0028] Figure 7 It is a schematic diagram of the structure of the middle piece of the handrail and the first cable and the second cable.

[0029] Figure 8 It is a schematic structural diagram of the unlocking part and the first locking part of the armrest.

[0030] Fig. 9 It is a schematic structural diagram of the unlocking part and the second locking part of the armrest.

[0031] Reference numerals:

[0032] 100-Handrail

[0033] 1-Ontology

[0034] 11- Clasp

[0035] 12-Middleware

[0036] 101-Armrest folded position

[0037] 102-Armrest extended position

[0038] 103-Supporting surface

[0039] 2-Head parts

[0040] 21-Head component folded position

[0041] 22-Head component expanded position

[0042] 23-Headrest rod

[0043] 24-Headrest surface

[0044] 3- Accessory functional parts

[0045] 31-Cup holder

[0046] 4- Locking part

[0047] 41-first locking portion

[0048] 411-Locking pin

[0049] 412-Retaining Parts

[0050] 413-Sleeve

[0051] 42- Second locking portion

[0052] 5-Unlocking part

[0053] 51-First cable

[0054] 52-Second cable

[0055] 61-Rotating shaft

[0056] 62-Torsion elastic parts

[0057] 20- Seats

[0058] 201-Backrest

[0059] 30- Base. DETAILED DESCRIPTION

[0060] The present application is further explained below in conjunction with specific embodiments and drawings. More details are elaborated in the following description to facilitate a full understanding of the present application. However, the present application can obviously be implemented in a variety of other ways different from this description. Those skilled in the art can make similar generalizations and deductions based on actual application situations without violating the connotation of the present application. Therefore, the scope of protection of the present application should not be limited by the content of this specific embodiment.

[0061] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0062] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0063] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0064] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0065] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0066] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "install", "connect", "connect", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can also be a mechanical connection. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0067] The armrests and their application scenarios disclosed in the embodiments of the present application take the seat armrests of the rear seats of a car as an example. However, it can be understood that the scenarios in which the armrests of this case are applicable are not limited to the armrest area between the adjacent rear seats, but can also be other locations in the car where armrests are considered necessary. In addition, the means of transportation are not limited to cars, for example, they can also be airplanes, cruise ships and other means of transportation, and the seats applicable to the armrests of this case are not limited to seats used in means of transportation, for example, they can also be seats in fixed places, such as massage chairs, seats for audience seats for large-scale events and conferences, office chairs, etc.

[0068] In some embodiments, reference Figures 1 to 3 As shown, the seat assembly can be a rear seat of a car, and can include at least two seats 20, 20 arranged side by side, an armrest 100 is located between the two adjacent seats 20, 20, and a base 30 is extended laterally from the backrest 201 of the seat 20, and the base 30 is rotatably connected to the armrest 100.

[0069] like Figure 1 As shown, when the armrest 100 of the seat assembly is folded, that is, when the armrest 100 is located at the armrest folded position 101, the armrest 100 is folded to the base 30 extending laterally from the backrest 201 of the seat 20 for the user to lean on, wherein the armrest 100 has a head component 2 (for example, a headrest component), the head component 2 is located at the head component folded position 21, and the headrest surface 24 provided by the headrest component of the head component 2 can improve the comfort of the user leaning on. At this time, the cup holder 31 as the additional functional component 3 is located in the internal space of the body 1, and is blocked by the head component 2 at the head component folded position 21 and cannot be unfolded.

[0070] like Figure 2 As shown, when the armrest 100 of the seat assembly is unfolded, that is, when the armrest 100 is located at the armrest unfolding position 102, the armrest 100 is approximately in a horizontal position to provide a place for the user to place his arm; in addition, the head component 2 is located at the head component unfolding position 22, that is, for example, the headrest component 2 is located below the main body 1 of the armrest to release the blocking on the unfolding of the additional functional component 3, so that the additional functional component 3 such as the cup holder 31 of the armrest 100 can be ejected from the internal space of the main body 1 of the armrest from the head of the main body 1 to the outside of the main body 1 to provide functions such as placing cups.

[0071] The structure of the armrest 100 is specifically introduced below to explain that the armrest of the embodiment can enable the user to unlock the armrest and the head component with only one unlocking operation, thereby facilitating the deployment of additional functional parts without the need for multiple operations, thereby improving the user's operational convenience and thus improving the user experience.

[0072] refer to FIG. 4A to FIG. 4C ,as well as Figures 5 to 9 As shown, in some embodiments, the armrest 100 includes a body 1, a head component 2, an additional functional component 3, a locking portion 4, and an unlocking portion 5. Figure 4A , Figure 4B as well as Figure 5 , Figure 6 As shown, the body 1 provides a support surface 103 of the armrest 100 for the user to place his arm when the armrest is in the unfolded position 102. In addition, the interior of the body 1 can provide a receiving space to accommodate additional functional parts 3, such as a cup holder 31 inside the body 1. It can be understood that Figure 5 , Figure 6 Part of the internal structure of the body 1 is omitted.

[0073] The meaning of the head component 2, as the name implies, refers to the head portion of the armrest 100, and is connected to the main body 1 at the head portion of the main body 1.

[0074] The accessory functional part 3 refers to an accessory that provides other additional functions besides the basic function of the armrest 100 for providing the user with arm placement. For example, the cup holder 31 provides a function for placing a cup, but it is not limited to this.

[0075] The locking part 4 is a part that locks a certain component in a certain position or posture, and the unlocking part 5 is a part that can release the locking part 4 from locking the component.

[0076] In some embodiments, the locking portion 4 includes a first locking portion 41 and a second locking portion 42, wherein the first locking portion 41 matches the body 1, so that the body 1 is locked with the bracket in the base 30, so that the armrest 100 can be locked in the armrest folded position 101. The second locking portion 42 matches the head component 2, so that the head component 2 can be locked in the head component folded position 21 when the armrest is in the armrest folded position 101.

[0077] The unlocking portion 5 is connected to the first locking portion 41 and the second locking portion 42; when the unlocking portion 5 is subjected to an unlocking force, the first locking portion 41 can release the lock on the body 1, and the second locking portion 42 can also release the lock on the head component 2. Specifically, in some embodiments, when the unlocking portion 5 is subjected to an unlocking force, the first locking portion 41 can release the lock on the body 1, and the second locking portion 42 can also release the lock on the head component 2, so that the armrest 100 at the armrest folded position 101 and the head component 2 at the head component folded position 21 are unlocked together, such as Figure 3 As shown, during the travel of the armrest 100 from the armrest folded position 101 to the armrest unfolded position 102, the head component 2 is also unlocked from the second locking portion 42, so that the head component 2 moves from the head component folded position 21 to the head component unfolded position 22.

[0078] The beneficial effects of the embodiments described above include but are not limited to: through the coordinated action of the head component, the additional functional component, the locking portion, and the unlocking portion, when the armrest is unlocked and moved from the folded position to the unfolded position, the head component is also unlocked at the same time, so that when the armrest reaches the unfolded position, the additional functional component such as the cup holder can be unfolded and used, so that the user only needs to perform a single unlocking operation to unlock the armrest and the head component, thereby facilitating the unfolding of the additional functional component without the need for multiple operations, thereby improving the user's operating convenience and thus improving the user experience.

[0079] Continue to refer Figure 4B as well as Figures 5 to 9 As shown, in some embodiments, the connection structure between the head component 2 and the body 1 can be that the head component 2 and the body 1 are connected via a rotating shaft 61, such as Figure 4B as well as Fig. 9 As shown, the second locking portion 42 can be locked or unlocked with the rotating shaft member 61; Figure 5 as well as Figure 6 As shown, by rotating the head component 2 around the rotating shaft 61, the head component 2 is moved as shown in FIG. Figure 5 The head component folded position 21 shown is Figure 6The specific structure of the rotating shaft 61 can be that the rotating shaft shown in the figure extends in the axial direction as a whole, but it is not limited to this. For example, a shorter rotating shaft or the like can be provided at only two ends. Preferably, in some embodiments, the rotating shaft 61 is connected with a torsion elastic member 62; when the head component 2 rotates from the head component folded position 21 to the head component unfolded position 22, the torsion elastic member 62 accumulates elastic force; when the head component 2 rotates from the head component unfolded position 22 to the head component folded position 21, the accumulated elastic force is released. The specific structure of the torsion elastic member 62 can be the torsion spring shown in the figure, which is referred to as a "torsion spring", and its structure is simple, but it is not limited to this. The beneficial effect of such a setting is that when the head component 2 is located at the head component folded position 21, the torsion elastic member 62 is in a state of accumulating elastic force, so that the structure of the head component is stable when it is locked by the second locking portion 42. After the second locking portion 42 is unlocked by the unlocking portion 5, since the first locking portion 41 is unlocked from the main body 1 and the second locking portion 42 is unlocked from the head component 2, during the travel of the armrest 100 from the armrest folded position 101 to the armrest extended position 102, the elastic force can be overcome by relying on the gravity of the head component 2 itself to accumulate the elastic force, so that after the use of the accessory functional part 3, the elastic force can be released during the folding process of the head component 2 from the head component extended position 22 to the head component folded position 21.

[0080] Continue to refer FIG. 4A to FIG. 4C ,as well as Figure 8 As shown, in some embodiments, the specific structure of the first locking part 41 locking the body 1 can be that the first locking part 41 includes a locking pin 411 and a retaining member 412, and the locking pin 411 can be kept plug-in locked by the retaining force applied by the retaining member 412. When the unlocking part 5 receives the unlocking force, the unlocking part 5 pushes the locking pin 411 to overcome the retaining force to release the plug-in, thereby unlocking. The structure of the plug-in lock with the locking pin 411 can be located at the position of the base 30, and the retaining member 412 can be a spring member as shown in the figure, with elastic force as the retaining force, but it is not limited to this. The locking pin 411 and the retaining member 412 can be set in the sleeve 413 as shown in the figure, but it is not limited to this. The structure of the first locking part of the above embodiment has the beneficial effect that the structure is simple and the locking effect is reliable, and it is also easy to unlock.

[0081] Continue to refer FIG. 4A to FIG. 4C ,as well as Figures 7 to 9As shown, in some embodiments, the structure of the unlocking part 5 can be that the unlocking part 5 includes a first cable 51 and a second cable 52, the first cable 51 is connected to the first locking part 41, and the second cable 52 is connected to the second locking part 42. For example, the first cable 51 is connected to the locking pin 411, and after receiving the unlocking force, the first cable 51 pulls the locking pin 411 to overcome the holding force of the retaining member 412 to disengage the plug-in and perform the result, for example, the second locking part 42 can be a locking rod, and the second cable 52 is connected to the locking rod, and after receiving the unlocking force, the second cable 52 also pulls the locking rod to unlock it from the rotating shaft member 61.

[0082] Preferably, continue to refer to FIG. 4A to FIG. 4C ,as well as Figures 7 to 9 As shown, in some embodiments, the structure and path for applying and transmitting the unlocking force can be that the body 1 is provided with a handle 11, the handle 11 is connected to the unlocking part 5, and the handle 11 can receive the operating force applied by the user and transmit it to the unlocking part 5 as the unlocking force through the middle piece 12. It can be understood that the structure for applying the operating force is not limited to the user directly applying the operating force as shown in the figure, and the user can also apply the operating force to the driving part such as the motor through the operating instruction, and finally transmit it to the unlocking part 5 as the unlocking force. Figure 7 As shown, the structure of the middle piece 12 may include, for example, a roller piece, and the cable is bifurcated into a first cable 51 and a second cable 52 after passing around the roller piece. The head piece 2 is a headrest piece, and the length extension direction of the body 1 is defined as a first direction. In the first direction, the first locking portion 41 is located on the other side relative to the head, and the buckle 11 is located between the head piece 2 and the first locking portion 41. The second cable 52 extends from the middle piece 12 to the second locking portion 42 corresponding to the head piece 2, and the second cable 52 passes through the headrest rod 23 of the headrest piece; the first cable 51 extends from the middle piece 12 to the first locking portion 41. The beneficial effect of such a setting is that an unlocking portion 5 that can simultaneously unlock the first locking portion 41 and the second locking portion 42 can be arranged in the internal space of the body 1, and its spatial arrangement structure is compact, and it is also further convenient for the user to perform the unlocking operation.

[0083] In summary, the beneficial effects of the armrest, seat and vehicle introduced through the above embodiments include but are not limited to, through the coordinated action of the head component, the additional functional part, the locking part and the unlocking part, when the armrest is unlocked to move from the folded position to the unfolded position, the head component is also unlocked at the same time, so that when the armrest reaches the unfolded position, the additional functional part such as the cup holder can be unfolded and used, so that the user only needs to unlock the armrest and the head component once, thereby facilitating the unfolding of the additional functional part without the need for multiple operations, thereby improving the user's operating convenience and thus improving the user experience.

[0084] Although the present application is disclosed as above with preferred embodiments, it is not intended to limit the present application. Any technical personnel in this field may make possible changes and modifications without departing from the spirit and scope of the present application. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application shall fall within the scope of protection defined by the claims of the present application.

Claims

1. A handrail (100), characterized in that: include: The body (1) provides a supporting surface (103) for the armrest (100); A head component (2) connected to the body (1) at the head of the body (1); Additional functional parts (3); The locking portion (4) comprises a first locking portion (41) and a second locking portion (42), wherein the first locking portion (41) matches the body (1), and the second locking portion (42) matches the head component (2); an unlocking portion (5) connected to the first locking portion (41) and the second locking portion (42); when the unlocking portion (5) is subjected to an unlocking force, the first locking portion (41) can release the lock on the body (1), and the second locking portion (42) can also release the lock on the head component (2); The armrest (100) has an armrest folded position (101) or an armrest extended position (102), and the head component (2) has a head component folded position (21) or a head component extended position (22). When the head component (2) is located at the head component folded position (21), the head component (2) is folded to prevent the additional functional component (3) from being extended. When the head component (2) is located at the head component extended position (22), the head component (2) is extended to release the blocking of the additional functional component (3).

2. The handrail (100) according to claim 1, characterized in that: When the unlocking portion (5) is subjected to an unlocking force, the locking of the main body (1) by the first locking portion (41) and the locking of the head component (2) by the second locking portion (42) can be released, so that the armrest (100) located at the armrest folded position (101) and the head component (2) located at the head component folded position (21) are unlocked together, and when the armrest (100) reaches the armrest extended position (102) from the armrest folded position (101), the head component (2) also reaches the head component extended position (22) from the head component folded position (21).

3. The handrail (100) according to claim 1, characterized in that: The head component (2) is connected to the body (1) via a rotating shaft (61), and the second locking portion (42) can be locked or unlocked with the rotating shaft (61); by rotating the head component (2) around the rotating shaft (61), the head component (2) moves between a head component folded position (21) and a head component unfolded position (22).

4. The handrail (100) according to claim 3, characterized in that: The rotating shaft (61) is connected to a torsion elastic member (62); when the head member (2) rotates from the head member folded position (21) to the head member unfolded position (22), the torsion elastic member (62) accumulates elastic force; when the head member (2) rotates from the head member unfolded position (22) to the head member folded position (21), the accumulated elastic force is released.

5. The handrail (100) according to claim 1, characterized in that: The first locking portion (41) comprises a locking pin (411) and a retaining member (412); the locking pin (411) can be held in a plug-in locked state by a retaining force applied by the retaining member (412); when the unlocking portion (5) receives an unlocking force, the unlocking portion (5) pushes the locking pin (411) to overcome the retaining force to release the plug-in, thereby unlocking.

6. The handrail (100) according to claim 1, characterized in that: The unlocking portion (5) comprises a first cable (51) and a second cable (52); the first cable (51) is connected to the first locking portion (41), and the second cable (52) is connected to the second locking portion (42).

7. The handrail (100) according to claim 6, characterized in that: The main body (1) is provided with a handle (11), and the handle (11) is connected to the unlocking part (5). The handle (11) can receive an operating force and transmit it to the unlocking part (5) through the middle piece (12) as the unlocking force; the head component (2) is a headrest component, and the length extension direction of the main body (1) is defined as a first direction. In the first direction, the first locking part (41) is located on the other side relative to the head, and the handle (11) is located between the head component (2) and the first locking part (41). The second cable (52) extends from the middle piece (12) to the second locking part (42) corresponding to the head component (2), and the second cable (52) passes through the headrest rod (23) of the headrest component; the first cable (51) extends from the middle piece (12) to the first locking part (41).

8. The handrail (100) according to claim 1, characterized in that: The additional functional part (3) comprises a cup holder (31); when the head component (2) is located at the head component folded position (21), the cup holder (31) is located in the internal space of the body (1); when the head component (2) is located at the head component unfolded position (22), the cup holder (31) can pop out from the internal space of the body (1) to the outside of the body (1).

9. A seat, characterized in that: The side area of ​​the seat is provided with an armrest (100) as claimed in any one of claims 1 to 8.

10. A means of transport, characterized in that: It comprises the handrail (100) as claimed in any one of claims 1 to 8.

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