Automobile seat side armrest mounting structure

By using a snap-fit ​​fixing structure with a spring clip and groove, along with a protective shell design, the problem of the side armrest pivot of the car seat falling off and being difficult to disassemble is solved, achieving stable connection and convenient disassembly, thus improving the safety and operability of the seat.

CN223546201UActive Publication Date: 2025-11-14MAGNA SEATING RES & DEV (CHONGQING) CO LTD
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Patent Information

Application Number
CN202520053290.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-11-14
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing car seat side armrests have the risk of pivot detachment, and the anti-detachment structure is difficult to disassemble, while the core component of the angle adjuster is inconvenient to assemble.

Method used

The design employs a snap-fit ​​fixing structure with a spring clip and groove, combined with a protective shell, to achieve a stable connection of the armrest pivot. It is also easy to disassemble via a pull strap, preventing relative movement of the core components.

Benefits of technology

It effectively prevents the handrail pivot from falling off, is easy to disassemble without damaging the foam material, and ensures smooth assembly of core components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile seat side armrest mounting structure, which is characterized in that an armrest framework is rotatably connected to a backrest framework through an angle adjuster, the armrest framework comprises a rotating shaft, the angle adjuster comprises a core part, the core part is sleeved on the rotating shaft, the outer end of the core part is provided with a shaft sleeve part for inserting the rotating shaft, and the inner end of the core part is provided with a mounting connecting plate; a clamping hole matched with the clamping spring is formed in the shaft sleeve piece, a groove is formed in the position, corresponding to the clamping hole, of the outer circle of the rotating shaft, the clamping spring is inserted into the clamping hole and clamped into the groove at the same time, and therefore the shaft sleeve piece and the rotating shaft are clamped and fixed, the protective shell laterally covers the outer side of the core piece and is fixed to the connecting plate, and the pull belt is fixed to the clamping spring and hidden in the backrest face sleeve. And the free end of the drawstring corresponds to the zipper on the backrest surface sleeve in position. The side armrest rotating shaft can be prevented from falling off, it can be guaranteed that the side armrest rotating shaft is convenient to disassemble, and the situation that an angle adjuster core piece is inconvenient to assemble can be avoided.
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Description

Technical Field

[0001] This utility model relates to the field of automotive seat technology, and in particular to an automotive seat side armrest mounting structure. Background Technology

[0002] As a crucial component for enhancing passenger comfort, the stability and safety of car seat side armrests are paramount. However, some existing car seat side armrests on the market pose a risk of pivot detachment. This is primarily due to an insufficiently robust connection between the pivot and the armrest bracket, or loosening caused by vibrations during long-term use and vehicle operation. Therefore, developing an anti-detachment structure that effectively prevents the armrest pivot from falling off is particularly important. However, anti-detachment structures are often difficult to disassemble, and ensuring quick disassembly of the anti-detachment structure (which facilitates the removal of the seat side armrest) is also a challenge. Furthermore, seat armrests are typically mounted to the backrest frame via an adjuster. The core component of the adjuster needs to be assembled onto the armrest pivot, but the inner and outer rings of the core component are prone to relative movement under external forces, which can affect the assembly between the core component and the pivot. Utility Model Content

[0003] In view of the problems existing in the prior art, the present invention aims to provide a car seat side armrest installation structure that can prevent the armrest pivot from falling off, ensure that the side armrest pivot is easy to disassemble, and avoid the inconvenience of assembling the core component of the angle adjuster.

[0004] To achieve the above objectives, this utility model proposes a side armrest mounting structure for a car seat, including an armrest assembly and a backrest assembly. The armrest assembly includes an armrest frame, and the backrest assembly includes a backrest frame and a backrest cover. The armrest frame is rotatably connected to the backrest frame via an adjuster. The armrest frame includes a pivot, and the adjuster includes a core component. The core component is sleeved on the pivot, and the outer end of the core component has a shaft assembly for the pivot to insert into. The inner end of the core component has a mounting connecting plate. The side armrest mounting structure for a car seat also includes a retaining spring, a pull strap, and a protective shell. The shaft assembly has a retaining hole that matches the retaining spring, and the outer circle of the pivot has a groove corresponding to the position of the retaining hole. The retaining spring is inserted into the retaining hole and simultaneously engages with the groove, thereby achieving the engagement and fixation of the shaft assembly and the pivot. The protective shell is laterally covered on the outside of the core component and fixed to the connecting plate. The pull strap is fixed to the retaining spring and hidden in the backrest cover. The position of the free end of the pull strap corresponds to the position of the zipper on the backrest cover.

[0005] In the above scheme: the shaft assembly has symmetrical locking holes on both sides, the locking holes are arc-shaped holes extending in the circumferential direction, the groove is a ring groove opened along the outer circle of the rotating shaft, the retaining spring is U-shaped, the two ends of the retaining spring are respectively inserted into the locking holes on both sides and simultaneously locked into the corresponding grooves. After the two ends of the retaining spring pass through the locking holes, they first move inward and then bend outward to the top of the corresponding ends, thereby forming an anti-disengagement structure. The anti-disengagement structure effectively prevents the retaining spring from automatically disengaging.

[0006] In the above scheme: the top center of the retaining ring bends inward to abut against the outer circle of the shaft assembly. This structure, in conjunction with the anti-dislodgement structure, stably limits and fixes the retaining ring to the shaft assembly.

[0007] In the above scheme: the pull strap is fixed to the top of the retaining spring, making it convenient to pull out the retaining spring.

[0008] In the above solution: the protective shell is fixed to the connecting plate by three inverted buckle structures, and the three inverted buckle structures are distributed in a triangle, which is simple in structure and has strong connection stability.

[0009] The beneficial effects of this utility model are:

[0010] 1. By using a retaining spring and a groove, the shaft assembly and the pivot are locked together, ensuring a stable connection between the core component and the armrest frame and effectively reducing the risk of the armrest detaching. 2. After the chair is assembled, the retaining spring is concealed between the armrest foam and the backrest foam. A pull strap is fixed to the retaining spring, allowing for easy removal by pulling the strap. Compared to using needle-nose pliers, this method is not only more convenient but also avoids damaging the armrest and backrest foam. 3. A protective shell covers the core component, preventing relative movement caused by external forces and ensuring smooth assembly of the core component. Attached Figure Description

[0011] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 yes Figure 1 A diagram from another angle.

[0014] Figure 3 This is a schematic diagram showing how the shaft assembly and the rotating shaft are fixed together by a retaining ring.

[0015] Figure 4 yes Figure 3 A diagram from another angle.

[0016] Figure 5This is an assembly diagram of the core component and the shaft assembly.

[0017] Figure 6 This is a schematic diagram of the protective casing assembly.

[0018] Figure 7 yes Figure 6 A diagram from another angle. Detailed Implementation

[0019] like Figure 1 As shown in Figure 7, a side armrest mounting structure for an automobile seat mainly consists of an armrest assembly, a backrest assembly, a retaining spring 5, a pull strap 8, and a protective shell 9.

[0020] The armrest assembly includes an armrest frame, and the backrest assembly includes a backrest frame 1 and a backrest cover. The armrest frame is rotatably connected to the backrest frame via an angle adjuster. The armrest frame includes a pivot 2, and the angle adjuster includes a core component 3. The core component 3 is sleeved on the pivot 2, and the outer end of the core component 3 is provided with a shaft assembly 4 for the pivot 2 to be inserted.

[0021] The inner end of the core component 3 is provided with a mounting connecting plate 6, which can be detachably fixed to the backrest frame 1. Specifically, an intermediate connecting plate 7 is welded to the side end of the backrest frame 1, and the mounting connecting plate 6 can be detachably fixed to the intermediate connecting plate 7 by bolts.

[0022] The shaft assembly 4 has a locking hole 41 that matches the retaining spring 5. A groove is provided on the outer circumference of the rotating shaft 2 at the position corresponding to the locking hole 41. The retaining spring 5 is inserted into the locking hole 41 and simultaneously engages with the groove, thus achieving a locking and fixing between the shaft assembly 4 and the rotating shaft 2, preventing it from slipping off. The protective shell 9 is laterally mounted on the outside of the core component 3 and fixed to the connecting plate 6. The pull strap 8 is fixed to the retaining spring 5 and hidden in the back cover sleeve. The position of the free end of the pull strap 8 corresponds to the position of the zipper on the back cover sleeve.

[0023] When disassembling the handrail, first remove the bolts between the connecting plate 6 and the intermediate connecting plate 7, then pull the strap 8 to pull out the retaining spring 5, and finally unlock the core component 3.

[0024] Ideally, the shaft assembly 4 has symmetrical locking holes 41 on both sides. The locking holes 41 are arc-shaped holes extending in the circumferential direction. The groove is a ring groove opened along the outer circle of the rotating shaft 2. The retaining spring 5 is U-shaped. The two ends of the retaining spring 5 are inserted into the locking holes 41 on both sides and simultaneously locked into the corresponding grooves. After the two ends of the retaining spring 5 pass through the locking holes, they first move inward and then bend outward to the top of the corresponding ends, thus forming an anti-disengagement structure a. The anti-disengagement structure a effectively prevents the retaining spring 5 from automatically disengaging.

[0025] Ideally, the top center of the retaining ring 5 is bent inward to abut against the outer circle of the shaft assembly 4. This structure, in conjunction with the anti-disengagement structure a, stably limits and fixes the retaining ring 5 to the shaft assembly 4.

[0026] Ideally, the pull strap 8 should be fixed to the top of the retaining ring 5 to facilitate pulling out the retaining ring 5.

[0027] Ideally, the protective shell 9 is fixed to the connecting plate 6 by three inverted fastening structures 10, and the three inverted fastening structures 10 are distributed in a triangle, which is simple in structure and has strong connection stability.

Claims

1. A side armrest mounting structure for a car seat, comprising an armrest assembly and a backrest assembly, the armrest assembly comprising an armrest frame, the backrest assembly comprising a backrest frame (1) and a backrest cover, the armrest frame being rotatably connected to the backrest frame via an adjuster, the armrest frame comprising a pivot (2), the adjuster comprising a core component (3), the core component (3) being sleeved on the pivot (2), and the outer end of the core component (3) being provided with a shaft fitting (4) for the pivot (2) to be inserted, and the inner end of the core component (3) being provided with a mounting connecting plate (6), characterized in that: The car seat side armrest mounting structure also includes a retaining spring (5), a pull strap (8), and a protective shell (9). The shaft assembly (4) is provided with a retaining hole (41) that matches the retaining spring (5). The outer circle of the rotating shaft (2) is provided with a groove at the position corresponding to the retaining hole (41). The retaining spring (5) is inserted into the retaining hole (41) and simultaneously snapped into the groove, thereby realizing the snap-fit ​​fixation between the shaft assembly (4) and the rotating shaft (2). The protective shell (9) is laterally covered on the outside of the core component (3) and fixed on the connecting plate (6). The pull strap (8) is fixed on the retaining spring (5) and hidden in the backrest sleeve. The position of the free end of the pull strap (8) corresponds to the position of the zipper on the backrest sleeve.

2. The automotive seat side armrest mounting structure according to claim 1, characterized in that: The shaft assembly (4) has symmetrical locking holes (41) on both sides. The locking holes (41) are arc-shaped holes extending in the circumferential direction. The groove is a ring-shaped groove opened along the outer circle of the rotating shaft (2). The retaining spring (5) is U-shaped. The two ends of the retaining spring (5) are respectively inserted into the locking holes (41) on both sides and simultaneously locked into the corresponding grooves. After the two ends of the retaining spring (5) pass through the locking holes, they first move inward and then bend outward to the top of the corresponding ends, thereby forming an anti-dislodgement structure (a).

3. The automotive seat side armrest mounting structure according to claim 2, characterized in that: The top center of the snap ring (5) bends inward to abut against the outer circle of the shaft assembly (4).

4. The automotive seat side armrest mounting structure according to claim 3, characterized in that: The pull strap (8) is fixed to the top of the retaining ring (5).

5. The automotive seat side armrest mounting structure according to claim 1, characterized in that: The protective shell (9) is fixed to the connecting plate (6) by three inverted structures (10), and the three inverted structures (10) are distributed in a triangle.