Backrest unlocking pull ring storage structure

By using magnets to magnetically fix the iron sheet and tightly connecting the honeycomb panel to the supporting steel wire, the problem of the car seat back unlock ring shaking and making abnormal noises during vehicle bumps is solved, achieving stable storage and simple installation of the ring.

CN224323865UActive Publication Date: 2026-06-05MAGNA SEATING RES & DEV (CHONGQING) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MAGNA SEATING RES & DEV (CHONGQING) CO LTD
Filing Date
2025-06-12
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The unlocking ring on the car seat back is prone to shaking or falling off during vehicle bumps, causing abnormal noises and affecting ride comfort and the overall quality of the vehicle.

Method used

Design a backrest unlocking pull ring storage structure, which uses magnets to fix the backrest to the magnetic attraction of the pre-embedded iron sheet, combined with the tight fit between the honeycomb panel and the supporting steel wire, and achieves a stable connection through C-shaped nails, reducing the number of parts and simplifying the installation process.

Benefits of technology

It achieves stable storage of the pull ring, avoiding shaking and abnormal noise, improving ease of use and installation efficiency, and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a backrest unlocking pull ring storage structure, including backrest backplate and pull ring, the back surface of backrest backplate is inlayed and is equipped with pull ring base, pull ring and pull ring base are all plastic parts, the surface of pull ring base is opened and is equipped with the storage cavity that completely fits with the shape and size of pull ring, the magnet is fixed in the storage cavity, and pull ring is limited in the storage cavity, and its inside pre -buried iron sheet corresponds magnet position, and iron sheet and magnet are fixed together with magnetic attraction, thereby realize the storage fixed of pull ring in the storage cavity, the bottom surface of storage cavity still is equipped with the sunken groove to the holding portion of pull ring and pull ring base apart to the holding portion of pull ring and pull ring base, and the sunken groove both ends are equipped with the support rib for supporting pull ring. The utility model discloses a structure that completely fits with the shape and size of pull ring is arranged in the storage cavity of pull ring base, and utilizes magnet and pre -buried iron sheet in the inside of pull ring magnetic attraction fixed, can stably store pull ring in the storage cavity, avoids pull ring to shake or fall off at random.
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Description

Technical Field

[0001] This utility model relates to the field of automotive seat technology, and in particular to a backrest unlocking pull ring storage structure. Background Technology

[0002] In the design and manufacturing of automotive seats, the functionality and comfort of seat backrests have always been crucial considerations. Car seat backrests are typically connected to the seat cushion or vehicle body via an adjuster, enabling folding adjustment to meet the different seat angle needs of passengers and provide a more comfortable riding experience. As a key component for backrest folding adjustment, the adjuster's proper operation relies on a corresponding unlocking mechanism. In practical applications, the adjuster needs to be equipped with an unlocking strap, which is pulled to unlock the adjuster. To further enhance the convenience of the unlocking function, allowing easy unlocking from the vehicle's trunk, the unlocking strap needs to extend to the back of the seat back. A pull ring is attached to the end of the unlocking strap, greatly facilitating the pull operation for passengers; this design has gradually become widely used in automotive seat design. However, the positioning and fixing of the pull ring has become a major challenge in this design. If the pull ring is not securely fixed, during vehicle movement, due to bumps and vibrations, the pull ring can easily collide with the backrest, resulting in abnormal noise. This abnormal noise not only affects the comfort of passengers inside the vehicle, but may also negatively impact the overall quality of the vehicle. Utility Model Content

[0003] In view of the problems existing in the prior art, the present invention aims to provide a backrest unlocking pull ring storage structure to achieve stable fixation of the pull ring on the back of the backrest.

[0004] To achieve the above objectives, this utility model proposes a backrest unlocking pull ring storage structure, including a backrest back panel and a pull ring. A pull ring base is embedded on the back of the backrest back panel. Both the pull ring and the pull ring base are plastic parts. A storage cavity with a shape and size that perfectly matches the pull ring is formed on the surface of the pull ring base. A magnet is fixed in the storage cavity. The pull ring is circumferentially confined in the storage cavity, and an iron sheet is pre-embedded inside the pull ring at the position corresponding to the magnet. The iron sheet is magnetically attracted and fixed together with the magnet, thereby realizing the storage and fixation of the pull ring in the storage cavity. A groove is also provided on the bottom surface of the storage cavity corresponding to the gripping part of the pull ring to separate the gripping part of the pull ring from the pull ring base. Support ribs for supporting the pull ring are provided at both ends of the groove.

[0005] The above solution also includes a pull strap for unlocking the backrest adjuster. The pull strap extends backward through the backrest panel and downward to connect with a pull ring, that is, pulling the pull ring can unlock the backrest adjuster.

[0006] In the above solution: the pull ring base extends upwards to the position where the pull strap exits the backrest panel, forming a strip-shaped extension section. This strip-shaped extension section has a groove for storing the pull strap, and the end of the groove communicates with a storage cavity. The groove provides a dedicated storage space for the pull strap, allowing it to be neatly stored when not in use. Furthermore, the groove integrates the pull strap storage section seamlessly with the overall structure, preventing it from appearing obtrusive.

[0007] In the above solution: the backrest panel is a honeycomb panel set on the back of the backrest frame. The backrest frame includes a main frame and supporting steel wires welded to the main frame. The supporting steel wires arch backward to fit the honeycomb panel. The honeycomb panel is fixed to the supporting steel wires by several C-shaped nails. The supporting steel wires are also provided with Y-direction positioning protrusions and Z-direction positioning protrusions. Limiting grooves are respectively opened on the honeycomb panel at the corresponding Y-direction positioning protrusions and Z-direction positioning protrusions. The Y-direction positioning protrusions and Z-direction positioning protrusions are respectively inserted into the corresponding limiting grooves to realize the Y-direction and Z-direction limiting of the honeycomb panel, and thus work together with the C-shaped nails to realize the fixed connection between the honeycomb panel and the backrest frame.

[0008] The supporting steel wire arches backward to fit the honeycomb panel. This design ensures a tight fit between the honeycomb panel and the backrest frame, reducing gaps and facilitating fixation with C-shaped nails. The honeycomb panel and backrest frame are fixedly connected using only the supporting steel wire, C-shaped nails, positioning protrusions, and limiting grooves. The supporting steel wire is the original wire on the backrest, with only minor adjustments made to this structure. This design effectively reduces the number of parts and avoids the cumbersome bracket layout or numerous clip holes in traditional structures, making the entire honeycomb panel installation structure simpler and more compact, saving related manpower, material resources, and time costs.

[0009] The C-shaped nails are driven into the back of the honeycomb panel, and mounting positioning holes are opened on the honeycomb panel at the pre-installed positions of each C-shaped nail.

[0010] In the above scheme: the supporting steel wires include a grid-shaped supporting steel wire welded inside the main frame and side wing supporting steel wires welded to the outer end of the main frame. The grid-shaped supporting steel wires are composed of two Y-axis steel wires and two Z-axis steel wires spaced apart. The left and right ends of the honeycomb panel are respectively fixed to the two Z-axis steel wires by several C-shaped nails. The Y-axis positioning protrusions are arranged on the side wing supporting steel wires, and the Z-axis positioning protrusions are arranged on the Y-axis steel wires located relatively lower. Positioning the honeycomb panel from two key directions greatly improves the installation accuracy and stability of the honeycomb panel.

[0011] In the above scheme: the Y-direction positioning protrusion is formed by locally bending the side wing support steel wire obliquely backward, and the Z-direction positioning protrusion is formed by locally bending the Y-direction steel wire backward. The structure is simple and easy to process.

[0012] In the above solution: the backrest panel is provided with mounting holes for embedding pull ring bases, and an auxiliary mounting bracket is pasted on the front of the backrest panel to cover the mounting holes. The lower end of the pull ring base is snapped onto the auxiliary mounting bracket, and the upper end of the pull ring base is fixed to the auxiliary mounting bracket with screws. The structure is simple and easy to install.

[0013] The beneficial effects of this utility model are:

[0014] 1. By incorporating a structure within the storage cavity of the pull ring base that perfectly matches the shape and size of the pull ring, and using magnets to magnetically secure it to an iron plate embedded inside the pull ring, the pull ring can be securely stored within the cavity, preventing it from shifting or falling out during storage. 2. A recessed groove at the bottom of the storage cavity separates the pull ring grip from the base, providing ample space for easy grabbing and unlocking, thus improving usability. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model.

[0016] Figure 2 This is a partial explosion diagram of the present invention.

[0017] Figure 3 This is a schematic diagram of the backrest frame. Detailed Implementation

[0018] like Figure 1 As shown in Figure 3, a backrest unlocking pull ring storage structure mainly consists of a backrest back panel 1 and a pull ring 2.

[0019] A pull ring base 3 is embedded on the back of the backrest panel 1. Both the pull ring 2 and the pull ring base 3 are made of plastic. A storage cavity 4 is formed on the surface of the pull ring base 3, which perfectly matches the shape and size of the pull ring 2. A magnet 5 is fixed in the storage cavity 4. The pull ring 2 is circumferentially confined in the storage cavity 4, and an iron sheet is embedded inside the cavity corresponding to the position of the magnet 5. The iron sheet is magnetically attracted and fixed together with the magnet 5, thereby realizing the storage and fixation of the pull ring 2 in the storage cavity 4.

[0020] The bottom surface of the storage cavity 4 is also provided with a groove 6 corresponding to the gripping part of the pull ring 2, so as to separate the gripping part of the pull ring 2 from the pull ring base 3. The two ends of the groove 6 are provided with support ribs 7 for supporting the pull ring 2.

[0021] Ideally, it also includes a pull strap 8 for unlocking the backrest adjuster, the pull strap 8 extending backward out of the backrest panel 1 and downward to connect with the pull ring 2, that is, pulling the pull ring 2 can unlock the backrest adjuster.

[0022] Ideally, the pull ring base 3 extends upward to the position where the pull strap 8 exits the backrest panel 1, forming a strip-shaped extension. This extension has a groove 9 for storing the pull strap 8, and the end of the groove 9 communicates with the storage cavity 4. The groove 9 provides a dedicated storage space for the pull strap, allowing it to be neatly stored when not in use. Furthermore, the groove 9 integrates the pull strap storage area with the overall structure, preventing it from appearing obtrusive.

[0023] Ideally, the backrest panel 1 is a honeycomb panel located on the back of the backrest frame. The backrest frame includes a main frame 10 and supporting steel wires 11 welded to the main frame 10. The supporting steel wires 11 arch backward to fit the honeycomb panel. The honeycomb panel is fixed to the supporting steel wires 11 by several C-shaped nails. The supporting steel wires 11 are also provided with Y-direction positioning protrusions 12 and Z-direction positioning protrusions 13. Limiting grooves are respectively opened on the honeycomb panel at the corresponding Y-direction positioning protrusions 12 and Z-direction positioning protrusions 13. The Y-direction positioning protrusions 12 and Z-direction positioning protrusions 13 are respectively engaged in the corresponding limiting grooves to achieve Y-direction and Z-direction positioning of the honeycomb panel, thereby working together with the C-shaped nails to achieve a fixed connection between the honeycomb panel and the backrest frame. This structure is often used in two rear seats arranged side by side, and the inner end of the main frame 10 is usually adjacent to the main frame 10 of another backrest.

[0024] The supporting steel wire 11 arches backward to fit the honeycomb panel. This design ensures a tight fit between the honeycomb panel and the backrest frame, reducing gaps and facilitating fixation using C-shaped nails. The supporting steel wire 11 is an existing wire on the backrest; this structure only requires minor adjustments. This design effectively reduces the number of parts, avoiding the cumbersome bracket layout or numerous locking holes in traditional structures. This makes the entire backrest honeycomb panel installation structure simpler and more compact, saving related manpower, material resources, and time costs.

[0025] The Y-axis represents the left and right sides of the seat back, and the Z-axis represents the top and bottom sides of the seat back. C-shaped nails are driven into the back of the honeycomb panel 1, and mounting positioning holes 15 are provided on the honeycomb panel at the pre-installed positions of each C-shaped nail.

[0026] Ideally, the supporting steel wires 11 include a grid-shaped supporting steel wire welded inside the main frame 10 and side wing supporting steel wires 101 welded to the outer ends of the main frame 10. The grid-shaped supporting steel wires are composed of two Y-direction steel wires 102 and two Z-direction steel wires 103 spaced apart. The left and right ends of the honeycomb panel are respectively fixed to the two Z-direction steel wires 103 by several C-shaped nails. Y-direction positioning protrusions 12 are arranged on the side wing supporting steel wires 101, and Z-direction positioning protrusions 13 are arranged on the relatively lower Y-direction steel wires 102. Positioning the honeycomb panel from two key directions greatly improves the installation accuracy and stability of the honeycomb panel.

[0027] Ideally, the Y-direction positioning protrusion 12 is formed by partially bending the side wing support steel wire 101 obliquely backward, and the Z-direction positioning protrusion 13 is formed by partially bending the Y-direction steel wire 102 backward, which results in a simple structure and convenient processing.

[0028] Ideally, the backrest panel 1 has mounting holes for mounting the pull ring base 3, and an auxiliary mounting bracket 14 is attached to the front of the backrest panel 1 to cover the mounting holes. The lower end of the pull ring base 3 is snapped onto the auxiliary mounting bracket 14, and the upper end of the pull ring base 3 is fixed to the auxiliary mounting bracket 14 with screws. The structure is simple and easy to install.

Claims

1. A backrest unlocking pull ring storage structure, comprising a backrest back panel (1) and a pull ring (2), characterized in that: The back of the backrest (1) is fitted with a pull ring base (3). The pull ring base (3) has a storage cavity (4) that perfectly matches the shape and size of the pull ring (2) on its surface. A magnet (5) is fixed in the storage cavity (4). The pull ring (2) is circumferentially limited in the storage cavity (4). An iron sheet is embedded in the cavity corresponding to the position of the magnet (5). The iron sheet is magnetically attracted and fixed together with the magnet (5), thereby realizing the storage and fixing of the pull ring (2) in the storage cavity (4). A groove (6) is also provided on the bottom surface of the storage cavity (4) corresponding to the gripping part of the pull ring (2) to separate the gripping part of the pull ring (2) from the pull ring base (3). Support ribs (7) for supporting the pull ring (2) are provided at both ends of the groove (6).

2. The backrest unlock pull ring storage structure according to claim 1, characterized in that: It also includes a pull strap (8) for unlocking the backrest adjuster, the pull strap (8) extending rearward through the backrest panel (1) and downward to connect with a pull ring (2).

3. The backrest unlock pull ring storage structure according to claim 2, characterized in that: The pull ring base (3) extends upward to the position where the pull strap (8) passes through the backrest panel (1) to form a strip extension section. The strip extension section is provided with a strip groove (9) for storing the pull strap (8). The end of the strip groove (9) is connected to the storage cavity (4).

4. The backrest unlock pull ring storage structure according to claim 3, characterized in that: The backrest panel (1) is a honeycomb panel set on the back of the backrest frame. The backrest frame includes a main frame (10) and a support wire (11) welded to the main frame (10). The support wire (11) arches backward to fit the honeycomb panel. The honeycomb panel is fixed to the support wire (11) by several C-shaped nails. The support wire (11) is also provided with a Y-direction positioning protrusion (12) and a Z-direction positioning protrusion (13). Limiting grooves are respectively opened on the honeycomb panel at the corresponding Y-direction positioning protrusion (12) and Z-direction positioning protrusion (13). The Y-direction positioning protrusion (12) and Z-direction positioning protrusion (13) are respectively inserted into the corresponding limiting grooves to realize the Y-direction and Z-direction limiting of the honeycomb panel, and then work together with the C-shaped nails to realize the fixed connection between the honeycomb panel and the backrest frame.

5. The backrest unlock pull ring storage structure according to claim 4, characterized in that: The supporting steel wire (11) includes a grid-shaped supporting steel wire welded inside the main frame (10) and a side wing supporting steel wire (101) welded to the outer end of the main frame (10). The grid-shaped supporting steel wire is composed of two Y-direction steel wires (102) and two Z-direction steel wires (103) spaced apart. The left and right ends of the honeycomb panel are respectively fixed to the two Z-direction steel wires (103) by several C-shaped nails. The Y-direction positioning protrusion (12) is arranged on the side wing supporting steel wire (101), and the Z-direction positioning protrusion (13) is arranged on the Y-direction steel wire (102) located relatively lower.

6. The backrest unlock pull ring storage structure according to claim 5, characterized in that: The Y-direction positioning protrusion (12) is formed by partially bending the side wing support wire (101) obliquely backward, and the Z-direction positioning protrusion (13) is formed by partially bending the Y-direction wire (102) backward.

7. The backrest unlock pull ring storage structure according to claim 4, characterized in that: The backrest panel (1) is provided with mounting holes for mounting pull ring base (3). An auxiliary mounting bracket (14) for covering the mounting holes is pasted on the front of the backrest panel (1). The lower end of the pull ring base (3) is snapped onto the auxiliary mounting bracket (14), and the upper end of the pull ring base (3) is fixed to the auxiliary mounting bracket (14) by screws.