A slide-out opening central handrail structure

Abstract

The utility model belongs to the field of handrails, provide a kind of central handrail structure of sliding out type opening, comprising: installation framework, connect on seat backrest;Handrail assembly, movably connect in installation framework, handrail assembly has the handrail body that can be switched between the retracted position and the unfolded position of installation framework;Stop subassembly, be located in handrail body, stop subassembly movably insert in handrail assembly, to limit handrail body in unfolded position.Compared with prior art, the utility model has the advantages that by the cooperation between handrail assembly and stop subassembly / transmission component, handrail body is rotated and unfolded along seat backrest to form smooth lifting movement track, avoid collision or interference with external parts, suitable for the seat layout of compact space, while the structure also ensures that the exposed surface of handrail body under retracted position and unfolded position is same, only needs to be coated, need not double-sided decoration, reduce comprehensive manufacturing cost.

Description

Technical Field

[0001] This utility model belongs to the field of handrails, specifically relating to a sliding-out opening central handrail structure. Background Technology

[0002] With the increasing demands for automotive comfort, the center armrest, as an important component for enhancing the riding experience, has been widely used in various passenger car seats.

[0003] Most existing center armrests adopt a flip-up or pull-out structure. Although some electric or manual armrests have achieved automatic unfolding, their movement trajectory usually relies on a single hinged flipping mechanism. During unfolding, they are prone to spatial interference with surrounding components, affecting ease of use. In addition, due to the characteristics of the flipping motion, the side of the armrest body facing away from the seat back is exposed when it is retracted, while the side that was originally close to the seat back is exposed when it is unfolded. Therefore, both opposite surfaces of the armrest body need to be covered with leather or decorated to ensure the aesthetic appearance in different states. This not only increases the amount of material used and the complexity of the process, but also significantly increases the manufacturing cost. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by proposing a sliding-out central handrail structure that is simple in structure, has good stability, small rotation space, and can be covered only by the handrail body.

[0005] The purpose of this utility model can be achieved by addressing the following technical problem: proposing a sliding-out opening central armrest structure, including: installing a frame and connecting it to the seat back;

[0006] A handrail assembly is movably connected to the mounting frame, the handrail assembly having a handrail body that can be switched between a retracted position and an extended position on the mounting frame;

[0007] A stop component is provided in the handrail body. The stop component is movably inserted into the handrail assembly to restrict the handrail body to the unfolded position.

[0008] When the armrest body is in the retracted position, the armrest body is close to the seat back; when the armrest body switches from the retracted position to the extended position, the armrest body rotates outward along the seat back and extends, so that the end face of the armrest body away from the seat back is placed horizontally above.

[0009] In the aforementioned sliding-out central armrest structure, the stop assembly includes:

[0010] Several fixing bases, each of which has a mounting hole;

[0011] The locking shaft passes through the mounting hole and is movable relative to the fixed seat; the elastic element is sleeved on the locking shaft to drive the locking shaft to be movably inserted into the handrail assembly.

[0012] In the aforementioned sliding-out central handrail structure, the stop assembly further includes a pull strap box disposed within the handrail body, wherein one end of the pull strap in the pull strap box extends out of the handrail body and the other end is connected to the locking shaft.

[0013] In the aforementioned sliding-out central handrail structure, the handrail assembly further includes a first connecting rod and a second connecting rod that are symmetrically arranged. The same end of the first connecting rod and the second connecting rod is movably connected to the handrail body, and the other end is movably connected to the mounting frame. An extension plate is formed on the first connecting rod, and a locking hole is provided on the extension plate. The locking shaft is movably inserted into the locking hole.

[0014] In the aforementioned sliding-out central armrest structure, a guide portion is formed at the end of the extension plate. The guide portion folds outward toward the armrest body and is set at an angle to the extension plate.

[0015] In the aforementioned sliding-out central armrest structure, a limiting ring is also formed on the locking shaft, with one end of the elastic element abutting against the side wall of the limiting ring and the other end abutting against the fixed seat.

[0016] In the aforementioned sliding-out central armrest structure, a clearance groove is also formed on the armrest body, and the first connecting rod and the second connecting rod can extend movably into the clearance groove.

[0017] In the aforementioned sliding-out central armrest structure, a pull-out storage box is also provided at the end of the armrest body.

[0018] The technical solution adopted by this utility model to solve its technical problem is to propose a sliding open central armrest structure, including: an installation frame connected to the seat back;

[0019] A handrail assembly is movably connected to the mounting frame, the handrail assembly having a handrail body that can be switched between a retracted position and an extended position on the mounting frame;

[0020] A transmission component is provided on the mounting frame, and the drive end of the transmission component is connected to the handrail assembly to drive the handrail body to rotate relative to the mounting frame;

[0021] When the armrest body is in the retracted position, the armrest body is close to the seat back; when the transmission component drives the armrest body to switch from the retracted position to the extended position, the armrest body rotates outward along the seat back and extends, so that the end face of the armrest body away from the seat back is placed horizontally above.

[0022] In the aforementioned sliding-out central armrest structure, the transmission assembly includes a drive motor and a drive shaft. The drive motor is detachably connected to the mounting frame. One end of the drive shaft is connected to the mounting frame, and the other end is connected to the drive end of the drive motor. The armrest assembly is connected to the drive shaft so that the armrest body can be unfolded or retracted synchronously with it.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] (1) The sliding-out opening central armrest structure of this utility model, through the cooperation between the armrest assembly and the stop assembly / transmission assembly, allows the armrest body to rotate outward along the seat back to form a smooth lifting motion trajectory, avoiding collision or interference with external parts. It is suitable for compact seat layouts. At the same time, this structure also ensures that the exposed surface of the armrest body in the retracted position and the unfolded position is the same, and only needs to be covered. There is no need for double-sided decoration, which reduces the overall manufacturing cost.

[0025] (2) During the unfolding of the handrail body, the locking shaft can slide into the locking hole along the inclined surface of the guide part to achieve automatic alignment and introduction, which reduces the assembly accuracy requirements, improves the locking success rate, avoids jamming caused by misalignment, and improves the reliability and durability of the mechanism operation.

[0026] (3) The combination of drive motor and transmission shaft realizes precise control of the unfolding and retraction of the handrail body, supports linkage with vehicle control system, provides users with convenient experience, and greatly improves product grade and ease of use. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the handrail body in the retracted position in Embodiment 1;

[0028] Figure 2 This is a schematic diagram of the handrail body in the unfolded position in Embodiment 1;

[0029] Figure 3 This is a structural schematic diagram of the stop assembly;

[0030] Figure 4 This is a schematic diagram of the structure when the stop assembly locks the first link;

[0031] Figure 5 This is a schematic diagram of the handrail body in the retracted position in Embodiment 2;

[0032] Figure 6 This is a schematic diagram of the handrail body in the unfolded position in Embodiment 2.

[0033] In the diagram, 1. Install the frame;

[0034] 2. Handrail assembly; 20. Handrail body; 200. Clearance groove; 201. Storage box; 21. First link; 210. Extension plate; 210a. Locking hole; 210b. Guide part; 22. Second link;

[0035] 3. Stop assembly; 30. Fixing base; 300. Mounting hole; 31. Locking shaft; 310. Limit ring; 32. Elastic element; 33. Pull strap box; 330. Pull strap;

[0036] 4. Transmission assembly; 40. Drive motor; 41. Drive shaft. Detailed Implementation

[0037] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0039] Example 1:

[0040] like Figures 1 to 4 As shown, the present invention discloses a sliding-out central handrail structure, including a mounting frame 1, a handrail assembly 2, and a stop assembly 3.

[0041] The mounting frame 1 is connected to the seat back; the armrest assembly 2 is movably connected to the mounting frame 1, and the armrest assembly 2 has an armrest body 20 that can switch between a retracted position and an extended position on the mounting frame 1; a stop assembly 3 is disposed within the armrest body 20, and the stop assembly 3 is movably inserted into the armrest assembly 2 to restrict the armrest body 20 to the extended position; when the armrest body 20 is in the retracted position, the armrest body 20 is close to the seat back; when the armrest body 20 switches from the retracted position to the extended position, the armrest body 20 rotates outward along the seat back and unfolds, so that the end face of the armrest body 20 away from the seat back is horizontally positioned above.

[0042] like Figure 1As shown, the armrest body 20 is in the retracted position on the mounting frame 1 at this time, and its overall outline is close to the surface of the seat back. In this embodiment, Figure 1 The side of the armrest body 20 facing away from the mounting frame 1 is defined as armrest A-side. This armrest A-side remains exposed when the armrest body 20 is in the retracted position. When the user pulls the armrest body 20, the armrest assembly 2 begins to move. At this time, the armrest body 20 slides outward along the surface of the seat back, while simultaneously unfolding upward by relying on the armrest assembly 2, forming a composite motion trajectory of "sliding out first, then lifting". During this process, as... Figure 1 The bottom of the armrest body 20 gradually rises slowly in the direction indicated by the arrow, with a gentle movement path to avoid interference with surrounding components such as the headrest and interior trim panels. As the rotation angle increases, the armrest A surface on the armrest body 20 gradually tilts from a vertical position and tends to be horizontal (at this time, the armrest A surface is at the top of the armrest body 20, therefore, the armrest A surface is always exposed at two positions on the armrest body 20, and only a covering process is needed for it). When the armrest body 20 moves to the unfolded position, the stop component 3 is inserted into the armrest component 2, thereby... Figure 2 The armrest body 20 shown completes the locking function, ensuring stability and safety during user use. It is evident that this central armrest structure, through an innovative sliding and rotating lifting combined deployment mechanism, solves key technical problems inherent in traditional central armrests, such as poor deployment posture and high cost of double-sided covering. This not only improves user comfort and ease of operation but also significantly reduces manufacturing costs through structural optimization, combining functionality, economy, and aesthetic value.

[0043] The stop assembly 3 includes: a plurality of fixed seats 30, each fixed seat 30 having a mounting hole 300; a locking shaft 31 and an elastic element 32, the locking shaft 31 passing through the mounting hole 300 and being movable relative to the fixed seat 30; the elastic element 32 being sleeved on the locking shaft 31 to drive the locking shaft 31 to be movably inserted into the handrail assembly 2.

[0044] like Figures 1 to 4 As shown, in this embodiment, the stop assembly 3 is symmetrically arranged in two sets, with several fixed seats 30 fixed inside the handrail body 20, providing a stable guarantee for the installation and displacement of the locking shaft 31. When the handrail body 20 rotates to the unfolded position, the locking shaft 31 can compress the elastic element 32 under the squeezing force of the handrail assembly 2. When the handrail body 20 is raised and in a flat position, the locking shaft 31 automatically engages with the handrail assembly 2 under the action of elastic force to achieve a self-locking function, preventing accidental folding during use. When it needs to be folded up, only external force needs to be applied to overcome the elastic force to unlock it. This structure does not require the user to perform additional manual locking operations, which is convenient and quick, improving user experience and safety.

[0045] The stop assembly 3 also includes a pull strap box 33 located inside the handrail body 20. One end of the pull strap 330 inside the pull strap box 33 extends out of the handrail body 20, and the other end is connected to the locking shaft 31.

[0046] Preferably, such as Figure 2 and Figure 3 As shown, by setting a pull strap box 33 inside the armrest body 20, and connecting one end of the pull strap 330 to the locking shaft 31 and extending the other end to the outside, the user can pull the pull strap 330 to drive the locking shaft 31 to move relative to the fixed seat 30, thus achieving a convenient unlocking operation. This design makes the unlocking operation more user-friendly. Especially after the armrest is fully extended, the user can easily complete the folding action without reaching to the base of the armrest, improving the convenience of operation and the human-computer interaction level of the entire vehicle interior.

[0047] The handrail assembly 2 also includes a first connecting rod 21 and a second connecting rod 22 that are symmetrically arranged. The same end of the first connecting rod 21 and the second connecting rod 22 is movably connected to the handrail body 20, and the other end is movably connected to the mounting frame 1. An extension plate 210 is formed on the first connecting rod 21. A locking hole 210a is provided on the extension plate 210, and a locking shaft 31 is movably inserted into the locking hole 210a.

[0048] like Figures 2 to 4 As shown, this embodiment employs a symmetrically arranged first link 21 and second link 22 as the transmission and support mechanism, ensuring the smooth movement and balanced lateral force of the handrail body 20 during unfolding and retracting, thus avoiding jamming or wear caused by uneven loading. Simultaneously, an extension plate 210 with a locking hole 210a is provided on the first link 21, allowing the locking shaft 31 to be precisely inserted into the hole for mechanical limiting and locking, enhancing the structural rigidity and load-bearing capacity in the unfolded state, and effectively preventing loosening due to vibration or external forces. Preferably, in this embodiment, both the first link 21 and the second link 22 adopt a curved design to enhance the support force on the handrail body 20, thereby improving the overall structural stability.

[0049] The end of the extension plate 210 is provided with a guide portion 210b, which is folded outward toward the handrail body 20 and is set at an angle to the extension plate 210.

[0050] like Figures 2 to 4 As shown, in this embodiment, the locking shaft 31 always extends to both sides along its axial direction under the elastic force of the elastic member 32 (i.e., along its axial direction). Figure 3(Extending in the left and right directions as shown) During the process of the handrail body 20 switching from the retracted position to the unfolded position, the first link 21 and the second link 22 move synchronously relative to the mounting frame 1. It is precisely because the guide part 210b at the end of the extension plate 210 forms an angle with the extension plate 210, forming a guide slope or guide groove structure, that during the unfolding process of the handrail body 20, the locking shaft 31 can be squeezed by the guide part 210b and move along the inside of the handrail body 20 at the first moment until the first link 21 and the second link 22 rotate into place. At this time, the locking shaft 31 is aligned with the locking hole 210a and inserted into the locking hole 210a under the elastic action of the elastic element 32, realizing automatic alignment and insertion, improving the locking success rate, avoiding jamming caused by misalignment, and improving the reliability and durability of the mechanism operation.

[0051] A limiting ring 310 is also formed on the locking shaft 31. One end of the elastic member 32 abuts against the side wall of the limiting ring 310, and the other end abuts against the fixing seat 30.

[0052] like Figure 3 As shown, in this embodiment, the two ends of the elastic element 32 abut against the side wall of the limiting ring 310 and the fixed seat 30 respectively, ensuring that the elastic element 32 maintains axial stability during compression or reset, preventing skewing or detachment. This structure effectively ensures the normal working life of the elastic element 32 and the stability of the locking force, thereby improving the reliability and safety of the entire stop assembly 3. Preferably, the elastic element 32 in this embodiment can be replaced by other elastic devices such as compression springs or reset springs.

[0053] Preferably, such as Figure 1 and Figure 2 As shown, the clearance groove 200 in this embodiment is generally L-shaped. One side of the clearance groove 200 is used for the installation and insertion of the first link 21 and the second link 22, while the other side allows the extension plate 210 to be inserted and cooperate with the locking shaft 31 to complete the locking function. This structure helps to reduce the protruding size of the armrest assembly 2 after it is fully folded, so that the armrest body 20 can fit more closely to the seat back. At the same time, it also ensures the smooth unfolding of the armrest body 20, optimizes the spatial layout of the entire central armrest, and improves the overall aesthetics and space utilization of the vehicle interior.

[0054] More preferably, the end of the armrest body 20 is also provided with a pull-out storage box 201 (see reference). Figure 6As shown in the diagram, the storage box 201 significantly enhances the functionality of the center armrest, allowing users to conveniently store small personal items such as mobile phones, keys, and tickets. These items are easily accessible without affecting the normal use of the armrest. Of course, during the design process, the storage box 201 can be replaced with a cup holder (or cup rack) structure, or with other functions such as wireless charging and multimedia controls, making full use of the armrest's internal space, achieving functional integration, and improving the vehicle's human-centered design and user satisfaction.

[0055] Example 2:

[0056] A sliding-out center armrest structure includes: a mounting frame 1 connected to a seat back; an armrest assembly 2 movably connected to the mounting frame 1, the armrest assembly 2 having an armrest body 20 switchable between a retracted position and an extended position on the mounting frame 1; and a transmission assembly 4 disposed on the mounting frame 1, the drive end of the transmission assembly 4 being connected to the armrest assembly 2 to drive the armrest body 20 to rotate relative to the mounting frame 1; when the armrest body 20 is in the retracted position, the armrest body 20 is pressed against the seat back; when the transmission assembly 4 drives the armrest body 20 to switch from the retracted position to the extended position, the armrest body 20 rotates outward along the seat back and unfolds, so that the end face of the armrest body 20 facing away from the seat back is horizontally positioned above.

[0057] This second embodiment is a further improvement on the first embodiment. In the first embodiment, the armrest body 20 was rotated to lift and flatten by the user's manual operation, and the locking shaft 31 automatically completed the locking function when it was in the fully unfolded position. The difference between this second embodiment and the first embodiment is that the armrest body 20 is electrically rotated to lift and flatten. Specifically, the armrest assembly 2 is driven to move by a transmission component 4 set on the mounting frame 1. When the user triggers the opening command (such as pressing the control button, remote control or voice command), the transmission component 4 starts and its drive end starts to output power. The transmission component 4 transmits power to the armrest assembly 2, causing the armrest body 20 to "rotate and unfold outward along the seat back" - that is, while sliding along the curved surface of the backrest, it is lifted upward (the same as the flipping action of the armrest body 20 in the first embodiment, which will not be described in detail here), forming a composite motion trajectory of smoothly rotating out and lifting and flattening. Compared with manual operation, the electric drive method is more intelligent and labor-saving, especially suitable for high-end models or vehicles equipped with autonomous driving functions. The armrests can automatically unfold or fold upon command, enhancing the sense of technology and luxury, while also facilitating automated control of seat functions and intelligent linkage with the entire vehicle.

[0058] The transmission assembly 4 includes a drive motor 40 and a transmission shaft 41. The drive motor 40 is detachably connected to the mounting frame 1. One end of the transmission shaft 41 is connected to the mounting frame 1, and the other end is connected to the drive end of the drive motor 40. The handrail assembly 2 is connected to the transmission shaft 41 so that the handrail body 20 can be unfolded or folded by rotating synchronously with it.

[0059] like Figure 5 and Figure 6 As shown, the transmission component 4 in this embodiment adopts a combination of a drive motor 40 and a transmission shaft 41, which has a compact structure and high transmission efficiency. The drive motor 40 (stepper motor or servo motor) is detachable, which facilitates later maintenance or replacement and reduces maintenance costs. It also enables stepless adjustment of the armrest body 20. In addition, the transmission shaft 41 connects to the armrest component 2 (i.e., the first connecting rod 21 in embodiment one, which is interference-fitted or welded together) and drives it to rotate synchronously, ensuring smooth movement and rapid response. This electric transmission solution achieves precise control of the armrest opening and closing, supports linkage with the vehicle control system (such as the central control screen and voice assistant), and provides users with a convenient one-button opening / closing experience, greatly improving the product grade and ease of use.

[0060] It should be noted that in this second embodiment, the other structures of the handrail assembly 2 also use the structure of the first link 21 and the second link 22 to complete the movable connection between the handrail body 20 and the mounting frame 1. Since the locking of the handrail body 20 in the second embodiment can be achieved by the torque control of the drive motor 40 on the transmission shaft 41, the structure of the second link 22 used in this second embodiment does not need to add an extension plate 210 and a guide part 210b to lock the handrail body 20, which further simplifies the structure of the first link 21 and reduces the manufacturing difficulty and cost.

[0061] It should be noted that in this invention, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0062] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.

[0063] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. A sliding-out, opening central armrest structure, characterized in that, include: Install the frame and connect it to the seat back; A handrail assembly is movably connected to the mounting frame, the handrail assembly having a handrail body that can be switched between a retracted position and an extended position on the mounting frame; A stop component is provided in the handrail body. The stop component is movably inserted into the handrail assembly to restrict the handrail body to the unfolded position. When the armrest body is in the retracted position, the armrest body is pressed against the seat back; When the armrest body switches from the retracted position to the extended position, the armrest body rotates outward along the seat back and extends, so that the end face of the armrest body away from the seat back is placed horizontally above.

2. The sliding-out opening central armrest structure according to claim 1, characterized in that, The stop assembly includes: Several fixing bases, each of which has a mounting hole; The locking shaft passes through the mounting hole and is movable relative to the fixed seat; the elastic element is sleeved on the locking shaft to drive the locking shaft to be movably inserted into the handrail assembly.

3. The sliding-out opening central armrest structure according to claim 2, characterized in that, The stop assembly also includes a pull strap box disposed inside the handrail body, wherein one end of the pull strap in the pull strap box extends out of the handrail body and the other end is connected to the locking shaft.

4. The sliding-out opening central armrest structure according to claim 2, characterized in that, The handrail assembly also includes a first link and a second link that are symmetrically arranged. The same end of the first link and the second link are movably connected to the handrail body, and the other end is movably connected to the mounting frame. An extension plate is formed on the first link, and a locking hole is provided on the extension plate. The locking shaft is movably inserted into the locking hole.

5. The sliding-out opening central armrest structure according to claim 4, characterized in that, The end of the extension plate has a guide portion that folds outward toward the armrest body and is set at an angle to the extension plate.

6. The sliding-out opening central armrest structure according to claim 2, characterized in that, A limiting ring is also formed on the locking shaft. One end of the elastic element abuts against the side wall of the limiting ring, and the other end abuts against the fixing seat.

7. The sliding-out opening central armrest structure according to claim 4, characterized in that, The handrail body also has a clearance groove, and the first link and the second link can extend into the clearance groove.

8. The sliding-out opening central armrest structure according to claim 1, characterized in that, The end of the handrail body is also equipped with a pull-out storage box.

9. A sliding-out, opening central armrest structure, characterized in that, include: Install the frame and connect it to the seat back; A handrail assembly is movably connected to the mounting frame, the handrail assembly having a handrail body that can be switched between a retracted position and an extended position on the mounting frame; A transmission component is provided on the mounting frame, and the drive end of the transmission component is connected to the handrail assembly to drive the handrail body to rotate relative to the mounting frame; When the armrest body is in the retracted position, the armrest body is close to the seat back; when the transmission component drives the armrest body to switch from the retracted position to the extended position, the armrest body rotates outward along the seat back and extends, so that the end face of the armrest body away from the seat back is placed horizontally above.

10. A sliding-out opening central armrest structure according to claim 9, characterized in that, The transmission assembly includes a drive motor and a drive shaft. The drive motor is detachably connected to the mounting frame. One end of the drive shaft is connected to the mounting frame, and the other end is connected to the drive end of the drive motor. The handrail assembly is connected to the drive shaft so that the handrail body can be unfolded or folded by rotating synchronously with the drive shaft.

Images