Automatic bounce-off structure for small table plate of seat backrest

By employing a double-spring and guide groove track design in the automatic pop-out structure of the seat back table, the problem of difficult elastic force calculation was solved, resulting in a reduction in the number of elastic force adjustments and an improvement in structural stability.

CN223720748UActive Publication Date: 2025-12-26CHANGZHOU ZHUOJUN AUTOMOTIVE SYST CO LTD
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Patent Information

Application Number
CN202423303189.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-26
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing automatic spring-opening structure is difficult to calculate and control precisely, resulting in high debugging costs and long debugging time.

Method used

The spring is powered by two springs, and there is a mature formula for calculating the spring force. A guide groove and guide rail are set between the ejector cover and the mounting bracket to ensure high stability of the spring when it is compressed or extended.

Benefits of technology

This reduces the number of times the spring force needs to be adjusted, lowers costs and debugging time, and improves the stability and spring force of the automatic spring-opening structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic pop-up structure for a seat backrest small table board, which comprises a rubber button, an ejection cover plate, a spring and a mounting bracket, the rubber button is clamped on the ejection cover plate, the middle part of the ejection cover plate is provided with a mounting cavity protruding towards the direction of the rubber button, the spring is arranged in the mounting cavity to form an ejection structure, and the rubber button is clamped on the ejection cover plate. And the ejection structure is connected to the back plate through a mounting bracket. The spring is adopted as bouncing power, spring force has a mature calculation formula, the number of times of adjustment of spring force values can be reduced, cost is reduced, debugging time is shortened, meanwhile, the spring is arranged between the ejection cover plate and the installation support, when the spring stretches or is compressed, the ejection cover plate can move along a movement track along with the spring, and the ejection cover plate is not prone to falling off. Therefore, the stability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of seat back small table board, specifically relates to an automatic pop -up structure for seat back small table board. BACKGROUND

[0002] Now on the market in order to facilitate the rear passenger, most vehicle models will be equipped with the small table board that can be opened behind the backrest of the front seat, in order to provide a certain convenience for the small table board opening, will be equipped with the automatic pop -up structure behind the seat skeleton, so that the small table board can automatically pop -up a certain distance after unlocking, facilitate hand operation and open the small table board.

[0003] The existing automatic pop -up structure 1 as shown in Figure 1 And Figure 2 It is arranged at the left and right sides behind the seat skeleton 2, including connecting plate 11 and elastic sheet 12, the automatic pop -up structure 1 is connected on the seat skeleton 2 through connecting plate 11, the connecting plate 11 is provided with elastic sheet 12 relative to the position of connecting rod 31 on small table board 3, when small table board 3 is locked through locking mechanism, connecting rod 31 presses elastic sheet 12 to move backward and store elastic force, when small table board 3 is unlocked, elastic sheet 12 releases elastic force and moves forward, so that small table board 3 can automatically pop -up a certain distance, but the elastic force of elastic sheet 12 does not have a mature calculation formula, and the elastic force is difficult to calculate, and the elastic force is not easy to control, so the initial position of elastic sheet 12 and the bending degree of elastic sheet 12 need to be debugged for many times, thereby increasing the cost and debugging time. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving above -mentioned problem, and provides an automatic pop -up structure for seat back small table board, the automatic pop -up structure adopts double spring as pop -up power, spring force has a mature calculation formula, can reduce the adjustment frequency of spring force value, reduces cost and debugging time, and simultaneously, the double spring of the application is arranged between the ejection cover plate and the mounting support, when the spring is stretched or compressed, the ejection cover plate moves along the movement track along with the spring, so that the stability is higher.

[0005] In order to realize the above-mentioned purpose, the utility model provides an automatic pop -up structure for seat back small table board, including rubber knob, ejection cover plate, spring and mounting support, the rubber knob is clamped on the ejection cover plate, the middle part of the ejection cover plate is provided with the mounting cavity that protrudes to the rubber knob direction, the mounting cavity is equipped with spring to form the ejection structure, the ejection structure is connected on the back plate through the mounting support.

[0006] As further optimization, the mounting cavity of the ejection cover plate is equipped with mounting hole, the periphery of the mounting cavity is provided with the guide plate that extends outward, the periphery of the guide plate is provided with a plurality of guide grooves, the rubber knob is clamped on the mounting cavity through the mounting hole.

[0007] As a further optimization, the rubber knob and the spring are two.

[0008] As a further optimization, the mounting bracket is provided with a guide cavity, a cross column is arranged in the guide cavity relative to the position of the spring, the ejection structure is mounted in the guide cavity, the spring is connected with the cross column, and a plurality of first movement guide rails matched with the ejection cover plate are arranged on the guide cavity.

[0009] As a further optimization, the guide cavity is provided with a reinforcing rib.

[0010] As a further optimization, the back plate is provided with a plurality of second movement guide rails matched with the ejection cover plate relative to the position of the ejection cover plate.

[0011] As a further optimization, a plurality of spring nut or a plurality of boss column are arranged on the back plate relative to the position of the mounting bracket, and the mounting bracket is connected to the back plate through the cooperation of the self-tapping screw and the spring nut or the boss column.

[0012] Advantages and beneficial effects of the present application

[0013] 1. The spring is used as the ejection power, the spring force has a mature calculation formula, the adjustment frequency of the spring force value can be reduced, and the cost and the debugging time are reduced.

[0014] 2. The spring is arranged between the ejection cover plate and the mounting bracket, a plurality of guide grooves are arranged around the ejection cover plate, a plurality of movement tracks are arranged on the mounting bracket and the back plate relative to the position of the guide grooves, when the spring is compressed or stretched, the ejection cover plate moves along the movement track with the spring, and the stability of the automatic ejection structure is improved.

[0015] 3. Two springs are arranged between the ejection cover plate and the mounting bracket, the two springs can provide greater spring force value for the automatic ejection structure, and since the two springs are relatively close, an effective surface can be formed, and therefore the stability of the automatic ejection structure can be further improved.

[0016] 4. Two rubber knobs are clamped on the mounting bracket, the rubber knobs can avoid the hard contact between the ejection cover plate and the small table plate, and the rubber knobs and the small table plate are point and surface contact, and the precision is better controlled compared with surface and surface contact. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can be obtained by the drawings provided without creative labor.

[0018] Figure 1 is a schematic view of the existing automatic pop-up structure installed on the seat frame;

[0019] Figure 2 is a cooperation state diagram of the existing automatic pop-up structure and the small table plate;

[0020] Figure 3 is a schematic view of the overall structure provided by the embodiment of the present application;

[0021] Figure 4 is an exploded view of the overall structure provided by the embodiment of the present application;

[0022] Figure 5 is a front view of the back plate and the back plate at A in the embodiment of the present application;

[0023] Figure 6 is a schematic view of the automatic pop-up structure installed on the back plate in the present application;

[0024] Figure 7 is a schematic view of the present application Figure 7 after removing the mounting bracket;

[0025] Figure 8 is a process diagram of the small table plate from closing to automatic pop-up in the present application.

[0026] Prior structure reference signs: Automatic pop-up structure 1, connecting plate 11, spring piece 12, seat frame 2, small table plate 3, connecting rod 31.

[0027] Reference signs of the present application: Rubber knob 1, ejection cover plate 2, mounting cavity 21, mounting hole 22, guide plate 23, guide groove 24, spring 3, mounting bracket 4, guide cavity 41, cross column 42, first movement guide rail 43, reinforcing rib 44, back plate 5, second movement guide rail 51, avoidance hole 52, reed nut 6, small table plate 7. DETAILED DESCRIPTION

[0028] The terms "first", "second", "third", "fourth" and the like in the description and in the claims of the present utility model and those above-mentioned drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments described herein can be implemented in an order other than that illustrated or described herein.

[0029] The specific embodiments of the present utility model are described in detail below in conjunction with the drawings. It should be noted that in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0030] As shown in Figure 3 and Figure 4 An automatic pop-up structure for a seat back small table plate, comprising two rubber buttons 1, an ejection cover plate 2, two springs 3 and a mounting bracket 4, the two rubber buttons 1 are clamped on the mounting hole 22 of the ejection cover plate 2, for avoiding the hard contact between the ejection cover plate 2 and the small table plate 7, at the same time, the rubber button 1 and the small table plate 7 are point and surface contact, which is better than the surface and surface contact in precision control, the middle part of the ejection cover plate 2 is provided with a mounting cavity 21 protruding towards the back plate 5, two springs 3 are arranged in the mounting cavity 21 to form an ejection structure, the mounting cavity 21 is provided with a guide plate 23 extending outward around, the guide plate 23 is provided with a plurality of guide grooves 24 around, the guide grooves 24 are used for cooperating with the first movement guide rail 43 on the mounting bracket 4 and the second movement guide rail 51 on the back plate 5, for providing guidance when the ejection structure moves, so as to improve the stability of the automatic pop-up structure, the ejection structure is connected to the back plate 5 through the mounting bracket 4.

[0031] As shown in Figure 4As shown, the mounting bracket 4 is provided with a guide cavity 41 accommodating the ejection structure, the guide cavity 41 is provided with two cross columns 42 relative to the positions of the two springs 3, the ejection structure is mounted behind the guide cavity 41, the spring 3 is connected with the cross column 42, the cross column 42 is used for fixing the spring 3 to prevent the spring 3 from moving during compression or stretching, and meanwhile, it can also ensure that the two springs 3 are located on the same horizontal axis after installation, the two springs 3 can provide greater elastic force value for the automatic pop-up structure, and since the two springs 3 are relatively close, an effective surface can be formed, so that the stability of the automatic pop-up structure can be further improved, the sidewalls on the left and right sides of the guide cavity 41 and the bottom are provided with a plurality of first movement guide rails 43 matched with the guide grooves 24 on the ejection cover plate 2, in order to increase the strength of the guide cavity 41 on the mounting bracket 4, a plurality of transverse and longitudinal intersecting reinforcing ribs 44 are arranged in the guide cavity 41.

[0032] As shown, Figures 5-7 the back plate 5 is provided with a plurality of second movement guide rails 51 matched with the guide grooves 24 relative to the top of the ejection cover plate 2, the top of the ejection cover plate 2 can be guided through the second movement guide rails 51, a plurality of spring nut 6 or a plurality of boss column are arranged on the mounting bracket 4 relative to the position of the back plate 5, the mounting bracket 4 connects the automatic pop-up structure to the back plate 5 through the cooperation of the self-tapping screw and the spring nut 6 or the boss column.

[0033] As shown, Figure 8 , Figure 8 one side of the small table plate 7 is connected to the back of the back plate 5, the automatic pop-up structure in the embodiment is installed on the front of the back plate 5, as shown, Figure 5 the second movement guide rail 51 is provided with an avoiding hole 52 below, when the automatic pop-up structure is installed on the front of the back plate 5 through the self-tapping screw, the mounting cavity 21 on the ejection cover plate 2 passes through the avoiding hole 52 and extends to the back of the back plate 5, so that the two rubber buttons 1 can contact the small table plate 7, when the small table plate 7 is locked through the locking mechanism, the small table plate 7 presses the rubber button 1 to drive the ejection cover plate 2 to move forward, at this time, the double spring 3 is in a compressed state to store elastic force, when the small table plate 3 is unlocked through the locking mechanism, the double spring 3 releases the elastic force at the same time, pushes the ejection cover plate 2 to move backward along the first movement guide rail 43 and the second movement guide rail 51, so that the small table plate 7 can be automatically popped up a certain distance through the double rubber button 1.

[0034] Finally, it should be noted that: the above embodiments are only to illustrate the technical solutions of the embodiments of the present application, but not to limit them; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the embodiments of the present application.

Claims

1. An automatic pop-up structure for a seat back table, characterized by: Including rubber button (1), ejection cover plate (2), spring (3) and mounting bracket (4), the rubber button (1) is clamped on the ejection cover plate (2), the middle part of the ejection cover plate (2) is provided with a mounting cavity (21) protruding towards the rubber button (1), the spring (3) is arranged in the mounting cavity (21) to form an ejection structure, and the ejection structure is connected to the back plate (5) through the mounting bracket (4).

2. The automatic pop-up structure for a small table board of a seat backrest according to claim 1, characterized in that: The mounting cavity (21) of the ejection cover plate (2) is provided with a mounting hole (22), the periphery of the mounting cavity (21) is provided with an outwardly extending guide plate (23), the periphery of the guide plate (23) is provided with a plurality of guide grooves (24), and the rubber button (1) is clamped on the mounting cavity (21) through the mounting hole (22).

3. The automatic pop-up structure for a small table board of a seat backrest according to claim 1 or 2, characterized in that: The rubber button (1) and the spring (3) are two.

4. The automatic pop-up structure for a small table board of a seat backrest according to claim 1, characterized in that: The mounting bracket (4) is provided with a guide cavity (41), the guide cavity (41) is provided with a cross column (42) opposite the position of the spring (3), the ejection structure is mounted behind the guide cavity (41), the spring (3) is connected with the cross column (42), and the guide cavity (41) is provided with a plurality of first movement guide rails (43) matched with the ejection cover plate (2).

5. The automatic pop-up structure for a small table board of a seat backrest according to claim 4, characterized in that: The guide cavity (41) is provided with a reinforcing rib (44).

6. The automatic pop-up structure for a small table board of a seat backrest according to claim 1, characterized in that: The back plate (5) is provided with a plurality of second movement guide rails (51) matched with the ejection cover plate (2) opposite the position of the ejection cover plate (2).

7. The automatic pop-up structure for a small table board of a seat backrest according to claim 1, characterized in that: The back plate (5) is provided with a plurality of spring nut (6) or a plurality of boss column opposite the position of the mounting bracket (4), and the mounting bracket (4) is connected to the back plate (5) by cooperating with the self-tapping screw and the spring nut (6) or the boss column.