Seat shoulder adjusting structure

By using a lead screw motor and shoulder adjustment bracket in the seat shoulder adjustment structure, the structure is simplified, space is reduced, passenger comfort is improved, and costs are lowered.

CN224028841UActive Publication Date: 2026-03-24CHANGCHUN FAWSN RES & DEV CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing seat shoulder adjustment structure is complex, occupies a large amount of vehicle space, is close to the human back, affects comfort, and is costly.

Method used

It adopts a lead screw motor and a shoulder adjustment bracket. The lead screw motor drives the shoulder side plate to rotate. Combined with the connection between the shoulder adjustment bracket and the backrest side plate and crossbeam, the structure is simplified and the X-direction space is reduced, increasing the distance to the human back.

Benefits of technology

The simplified structure reduces space requirements, improves passenger comfort, and lowers costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224028841U_ABST
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Abstract

The utility model discloses a seat shoulder adjusting structure which comprises a lead screw motor, the lead screw motor is connected to the inner side of a shoulder side plate, a lead screw on the lead screw motor is connected with one end of a shoulder adjusting support, and the shoulder adjusting support is fixedly connected to the inner side of a backrest side plate and fixedly connected with a backrest middle cross beam. The shoulder side plates are rotationally connected with the backrest side plates, long circular sliding grooves are formed in the shoulder side plates, and the first bolts penetrate through the sliding grooves to be connected with the backrest side walls. The automobile seat is simple in structure, the occupied X-direction space of the whole automobile is reduced, the automobile seat is far away from the back of a human body, the comfort of passengers cannot be affected, and the cost is reduced.
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Description

Technical Field

[0001] This utility model belongs to the field of automotive seats, specifically relating to a seat shoulder adjustment structure. Background Technology

[0002] With the development of the automotive industry, passengers' demands and requirements for seat comfort are increasing. Currently, a few SUVs and MPVs on the market have backrest adjustment functions, among which the shoulder adjustment function adjusts the position of the seat shoulders through the shoulder adjustment structure to provide support for the passenger's shoulders.

[0003] Existing shoulder adjustment structures, such as those described in publication number "CN116442866A" entitled "Seat Assembly and Vehicle for a Vehicle," feature two sets of first adjustment devices disposed on the left and right sides of the backrest. To briefly describe the structure of these first adjustment devices, this application will reference the details from "Seat Assembly and Vehicle for a Vehicle." Figure 2 and Figure 3 For the purposes of this application Figure 6 and Figure 7 Describe, such as Figure 6 As shown, two sets of first adjustment devices are symmetrically arranged on both sides of the backrest frame. Since the structures of the left and right sets of first adjustment devices are the same, the description will now take the left first adjustment device as an example. Figure 7 As shown, the first adjustment device includes a first driving member 151, which is disposed on the first backrest side plate 121 and has a first driving tooth formed thereon; the middle part of the first toothed plate 171 is connected to one end of the first linkage member 141, the first toothed plate 171 is rotatably disposed on the first backrest side plate 121, and the edge of the first toothed plate 171 has a first meshing tooth suitable for meshing with the first driving tooth; one end of the first linkage plate 161 is hinged to one end of the first toothed plate 171, and the other end of the first linkage plate 161 is hinged to the first shoulder side plate 131; wherein the first driving member 151 is adapted to drive the first toothed plate 171 and drive the first linkage plate 161 to drive the first shoulder side plate 131 to rotate relative to the first backrest side plate 121. This type of adjustment device has a relatively complex structure, occupies a large amount of space in the X direction of the vehicle, and is close to the back of the human body, so it will cause discomfort to the driver and passengers and affect their comfort. At the same time, the toothed plate requires a fine stamping process, so the cost is relatively high. Utility Model Content

[0004] The purpose of this utility model is to solve the above-mentioned problems by providing a seat shoulder adjustment structure. This shoulder adjustment structure reduces the space occupied in the X-direction of the vehicle, has a simpler structure, and is located far from the back of the human body, so it will not affect the comfort of passengers and reduces costs.

[0005] In order to achieve the above object, the utility model provides a seat shoulder adjusting structure, including screw rod motor, the screw rod motor is connected in the inside of shoulder side plate, the screw rod on the screw rod motor is connected with one end of shoulder adjusting support, the shoulder adjusting support is fixedly connected in the inside of backrest side plate, and is fixedly connected with backrest middle crossbeam, the shoulder side plate is rotatably connected with backrest side plate, the shoulder side plate has long circular slide groove, the first bolt passes through the slide groove and is connected with backrest side wall.

[0006] As further optimization, the shoulder adjusting support includes a screw rod connecting end, the screw rod is connected to the shoulder adjusting support through the screw rod connecting end, the screw rod connecting end is integrally connected to the side plate connecting plate through a first bending away from one side of the screw rod, the side plate connecting plate is integrally connected to the crossbeam connecting plate through a second bending away from the other side of the first bending, the backrest side plate is fixedly connected to the shoulder adjusting support through the side plate connecting plate, and the backrest middle crossbeam is fixedly connected to the shoulder adjusting support through the crossbeam connecting plate.

[0007] As further optimization, the shoulder side plate is riveted to the backrest side plate through a rivet.

[0008] As further optimization, the screw rod motor is connected to the shoulder side wall through a second bolt.

[0009] Advantages and beneficial effects of the utility model

[0010] 1. The utility model discloses a screw rod motor and shoulder adjusting support, the screw rod motor is connected in the inside of shoulder side plate through the second bolt, and the screw rod in the screw rod motor is screwed with one end of shoulder adjusting support, the shoulder adjusting support is welded on backrest side plate and backrest middle crossbeam, when the screw rod motor drives the screw rod to move up and down, drives the shoulder side plate to rotate relative to backrest side plate around the rivet, and then adjusts the angle of shoulder side plate and human shoulder angle, so that it can better fit the shoulder, reduces the compression feeling of the shoulder, avoids fatigue due to the shoulder discomfort when driving or riding for a long time.

[0011] 2. The utility model discloses a screw rod motor and shoulder adjusting support, compared with prior art structure reduces the X direction space of whole car, and the structure is also more simple, and the distance from the back of human body is far, does not make the driver feel uncomfortable and reduce the comfort, and the cost is also reduced. DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, and obviously, the drawing in the following description is only the embodiment of the utility model, and for the ordinary skilled person in the art, other drawings can also be obtained according to the provided drawing without paying the creative labor.

[0013] Figure 1 is a structural schematic view of the seat shoulder adjusting structure installed on the seat back in the utility model;

[0014] Figure 2 is a schematic view of the seat shoulder adjusting structure connected with the relevant structure of the seat back in the utility model;

[0015] Figure 3 is a partial enlarged view of position A provided by the utility model embodiment; Figure 2

[0016] Figure 4 is a structural schematic view of another angle provided by the utility model embodiment; Figure 2

[0017] Figure 5 is a partial enlarged view of position B provided by the utility model embodiment; Figure 4

[0018] Figure 6 is a structural schematic view of two groups of first adjusting devices installed on the seat back in the prior structure;

[0019] Figure 7 is a schematic view of the first adjusting device installed on the first back side plate and the first shoulder side plate in the prior structure. Prior application reference signs: The first back side plate 121, the first shoulder side plate 131, the first linkage 141, the first driving member 151, the first linkage plate 161 and the first tooth plate 171.

[0020] Present application reference signs: The seat shoulder adjusting structure 1, the lead screw motor 2, the lead screw 21, the shoulder side plate 3, the shoulder adjusting support 4, the lead screw connecting end 41, the first bending 42, the side plate connecting plate 43, the second bending 44, the cross beam connecting plate 45, the back side plate 5, the back middle cross beam 6, the long circular sliding groove 7, the first bolt 8, the rivet 9, the second bolt 10 and the third bolt 11. DETAILED DESCRIPTION

[0021] The terms "first", "second", "third", "fourth" and the like in the description and claims of the utility model and the 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.

[0022] ​​​The specific implementation of the present application is described in detail below with reference to the drawings. It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings, and are only used for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] As shown in Figure 1 , the left and right sides of the seat back each include a shoulder side plate 3 and a back side plate 5, the lower end of the shoulder side plate 3 is rotatably connected to the upper end of the back side plate 5 by a rivet 9, in order to increase the driving force for the rotation of the shoulder side plate 3, the present embodiment installs a seat shoulder adjusting structure 1 on the right side of the seat back relative to the human shoulder, of course, according to the layout of the interior of the seat, the seat shoulder adjusting structure 1 can also be installed to the left side of the seat back relative to the human shoulder, at the same time, in order to improve the synchronism of the rotation of the shoulder side plate 3, two sets of seat shoulder adjusting structures 1 can also be installed to the two sides of the seat back.

[0024] As shown in Figures 2-5 , a seat shoulder adjusting structure 1 includes a lead screw motor 2 for driving the rotation of the shoulder side plate 3 relative to the back side wall 5, the lead screw motor 2 is connected to the inner side of the shoulder side plate 3 by a second bolt 10, the lead screw 21 on the lead screw motor 2 is connected to the upper end of the shoulder adjusting bracket 4 by a third bolt 11, the shoulder adjusting bracket 4 is fixedly connected to the inner side of the back side plate 5 and is fixedly connected to the back cross beam 6 to strengthen the strength of the shoulder adjusting bracket 4, the shoulder side plate 3 has an oblong sliding groove 7 behind the hinged position, the first bolt 8 passes through the sliding groove 7 and is connected to the back side wall 5.

[0025] As a further optimization, the shoulder adjusting bracket 4 includes a lead screw connecting end 41, the lead screw 21 is connected to the shoulder adjusting bracket 4 through the lead screw connecting end 41, the side of the lead screw connecting end 41 away from the lead screw 21 is integrally connected with a side plate connecting plate 43 through a first bend 42, the side of the side plate connecting plate 43 away from the first bend 42 is integrally connected with a cross beam connecting plate 45 through a second bend 44, the back side plate 5 is fixedly connected with the shoulder adjusting bracket 4 through the side plate connecting plate 43, and the back cross beam 6 is fixedly connected with the shoulder adjusting bracket 4 through the cross beam connecting plate 45, so as to increase the welding area of the shoulder adjusting bracket 4 and improve the strength of the shoulder adjusting bracket 4.

[0026] Working process

[0027] The screw rod motor 2 operates to drive the screw rod 21 to move, and then drive the shoulder side plate 3 to rotate relative to the backrest side plate 5 by the rivet 9 as the center by a certain angle, in the process of the rotation of the shoulder side plate 3, the sliding groove 7 slides relative to the first bolt 8 and the backrest side plate 5, and the rotation angle of the shoulder side plate 3 is limited by the both ends of the sliding groove 7, and the other side follows, so as to realize the shoulder adjustment.

[0028] Finally, it should be noted that: the above embodiments are only used 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. A seat shoulder adjustment structure (1), characterized in that: Includes a lead screw motor (2), which is connected to the inner side of the shoulder side plate (3). The lead screw (21) on the lead screw motor (2) is connected to one end of the shoulder adjustment bracket (4). The shoulder adjustment bracket (4) is fixed to the inner side of the backrest side plate (5) and fixed to the backrest crossbeam (6). The shoulder side plate (3) is rotatably connected to the backrest side plate (5). The shoulder side plate (3) has an elongated oval groove (7). The first bolt (8) passes through the groove (7) and is connected to the backrest side plate (5).

2. The seat shoulder adjustment structure (1) according to claim 1, characterized in that: The shoulder adjustment bracket (4) includes a lead screw connection end (41). The lead screw (21) is connected to the shoulder adjustment bracket (4) through the lead screw connection end (41). The side of the lead screw connection end (41) away from the lead screw (21) is integrally connected to the side plate connection plate (43) through a first bend (42). The side of the side plate connection plate (43) away from the first bend (42) is integrally connected to the crossbeam connection plate (45) through a second bend (44). The backrest side plate (5) is fixedly connected to the shoulder adjustment bracket (4) through the side plate connection plate (43). The backrest middle crossbeam (6) is fixedly connected to the shoulder adjustment bracket (4) through the crossbeam connection plate (45).

3. The seat shoulder adjustment structure (1) according to claim 1, characterized in that: The shoulder side panel (3) is riveted to the backrest side panel (5) by rivets (9).

4. The seat shoulder adjustment structure (1) according to claim 1, characterized in that: The lead screw motor (2) is connected to the shoulder side plate (3) by the second bolt (10).