CN113665451B - Four-way waist support driven by traction of inhaul cable - Google Patents
Four-way waist support driven by traction of inhaul cable Download PDFInfo
- Publication number
- CN113665451B CN113665451B CN202111119542.7A CN202111119542A CN113665451B CN 113665451 B CN113665451 B CN 113665451B CN 202111119542 A CN202111119542 A CN 202111119542A CN 113665451 B CN113665451 B CN 113665451B
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- Prior art keywords
- cable
- support
- backrest frame
- tension spring
- steel wire
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/666—Lumbar supports vertically adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
本发明公开了一种拉索牵引驱动的四向腰托，包括位于靠背框体内部的支撑组件，支撑组件上端与靠背框体转动配合，支撑组件包括支撑体以及驱动支撑体沿靠背框体高度方向移动的Z向驱动机构；X向驱动机构，其包括拉索和控制该拉索运动的拉索电机，其中，所述拉索支撑在所述支撑组件的后侧下端，所述拉索电机工作能够驱动支撑组件的沿靠背框体厚度方向移动；以及分别连接在所述靠背框体两端的第一拉簧和第二拉簧，所述第一拉簧和第二拉簧远离靠背框体的一端均连接在所述拉索上。本发明的有益效果是：支撑组件能够随人体背部的推力或自重进行适应性浮动，并形成一种弹性支撑，相对于传统的腰托而言，舒适性更好。
The present invention discloses a four-way lumbar support driven by cable traction, comprising a support assembly located inside a backrest frame, the upper end of the support assembly rotatably cooperates with the backrest frame, the support assembly comprises a support body and a Z-direction driving mechanism driving the support body to move along the height direction of the backrest frame; an X-direction driving mechanism, which comprises a cable and a cable motor controlling the movement of the cable, wherein the cable is supported at the lower end of the rear side of the support assembly, and the cable motor can drive the support assembly to move along the thickness direction of the backrest frame; and a first tension spring and a second tension spring respectively connected to the two ends of the backrest frame, and the ends of the first tension spring and the second tension spring away from the backrest frame are both connected to the cable. The beneficial effect of the present invention is that the support assembly can adaptively float with the thrust or deadweight of the back of the human body, and form an elastic support, which is more comfortable than the traditional lumbar support.
Description
Technical Field
The invention relates to an automobile seat component, in particular to a four-way waist support driven by traction of a inhaul cable.
Background
With the development of automobile technology, consumers have higher and higher requirements on the riding comfort of automobile seats, and an important criterion for evaluating whether the seats are comfortable is whether to effectively relieve the driving fatigue. In conventional seat designs, which generally include only a seat cushion supported by a seat pan and a backrest supported by a backrest frame, such seat structures do not sufficiently consider the supporting performance of the human body, so that the waist of the human body is in a suspended posture, and lumbar fatigue is easily generated after a driver sits for a long time.
Therefore, a lumbar support technology applied to a seat has been developed, that is, a so-called lumbar support, which relieves lumbar fatigue of a driver and a passenger due to suspension of the lumbar region to some extent, and in the prior art, whether a fixed lumbar support or an adjustable lumbar support, the lumbar support is completely fixed relative to the backrest during the process of supporting the lumbar region of a user, and cannot adaptively float along with the self weight of a human body, thereby resulting in poor comfort.
Disclosure of Invention
In view of the above, the invention provides a four-way waist support driven by traction of a guy cable, which is used for solving the technical problem of poor comfort of the traditional adjustable waist support.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a four-way waist of cable traction drive holds in palm which the key lies in, includes:
A backrest frame;
The support assembly is positioned in the backrest frame body, the upper end of the support assembly is in running fit with the backrest frame body, and the support assembly comprises a support body and a Z-direction driving mechanism for driving the support body to move along the height direction of the backrest frame body;
the X-direction driving mechanism comprises a guy cable and a guy cable motor for controlling the guy cable to move, wherein the guy cable is supported at the lower end of the rear side of the supporting component, the guy cable motor can drive the supporting component to move along the thickness direction of the backrest frame body when working, and
The first tension spring and the second tension spring are respectively connected to two ends of the backrest frame body, and one ends, far away from the backrest frame body, of the first tension spring and the second tension spring are connected to the inhaul cable.
By adopting the structure, the lower end of the supporting component is suspended and supported in the backrest frame body by the first tension spring and the second tension spring, and the upper end of the supporting component can rotate relative to the backrest frame body, so that when the waist of a user is supported on the supporting component, the supporting component can adaptively float along with the thrust or the dead weight of the back of the human body, and an elastic support is formed, and the comfort is better. Meanwhile, under the action of the Z-direction driving mechanism and the X-direction driving mechanism, the supporting positions of the supporting component in the height direction and the front-back direction of the backrest can be adjusted, so that the novel multifunctional backrest is suitable for users of different sizes. The X-direction driving mechanism adopts a stay rope retraction mode to realize the front-back adjustment of the supporting component, and has the advantages of novel structure and convenient adjustment.
The stay rope is connected with a suspension guide sleeve and two groups of fixed guide sleeves which are in sliding fit with the stay rope, wherein the two groups of fixed guide sleeves are fixedly arranged at the lower end of the rear side of the supporting component, and one end of the first tension spring, which is far away from the backrest frame body, is hung on the suspension guide sleeve. By adopting the structure, the guy cable motor can be guaranteed to drive the guy cable to move, and the two ends of the guy cable can be guaranteed to be hung on the backrest frame body by the springs, so that the structure has the technical advantages of reasonable structural design and high reliability.
Preferably, the backrest frame body is fixedly provided with hanging pieces corresponding to the first tension springs and the second tension springs, the hanging pieces are respectively provided with connecting holes, the hanging guide sleeve is provided with a first hanging seat, and one end of the inhaul cable, which is far away from the inhaul cable motor, is provided with a second hanging seat. The structure is adopted so as to be convenient for installing the first tension spring and the second tension spring.
Preferably, a retaining rod is fixedly arranged between the two groups of the fixed guide sleeves. By adopting the structure, the stability of the installation of the two groups of fixed guide sleeves at the lower end of the rear side of the supporting component can be ensured.
Preferably, the cable motor is fixedly assembled at the side part of the backrest frame body, a first linear hole and a second linear hole which are mutually perpendicular are arranged in the suspension guide sleeve, and an arc-shaped hole is connected between the first linear hole and the second linear hole in a transitional manner. By adopting the structure, the inhaul cable can be converted from vertical transition to transverse transition, and the inhaul cable assembly is facilitated.
Preferably, a spring steel wire is transversely arranged in the middle of the backrest frame body, and the upper end of the supporting component is rotatably connected to the spring steel wire. By adopting the structure, the spring steel wire can also provide certain elastic supporting force, which is beneficial to further improving the comfort of the waist support.
Preferably, the support assembly is provided with two guide steel wires which are arranged along the height direction of the backrest frame body, a transverse steel wire is integrally connected between the lower ends of the two guide steel wires, and the upper ends of the two guide steel wires are rotatably connected to the spring steel wires. By adopting the structure, the rotary assembly between the supporting component and the backrest frame body is realized.
Preferably, the two ends of the support body are slidably assembled on the two guide steel wires, the Z-direction driving mechanism comprises a screw rod, a nut sleeve sleeved on the screw rod in a threaded manner, and a motor for driving the nut sleeve to rotate, the motor is fixed on the support body, the upper end of the screw rod is connected to the spring steel wires through a hook, and the lower end of the screw rod is fixedly connected to the transverse steel wires. By adopting the structure, the motor can drive the supporting body to move along the height direction of the backrest when working.
Preferably, the support assembly is provided with a support plate at the front side of the support body, the support plate having elasticity, and the upper end thereof being rotatably connected to the spring wire. By adopting the structure, the waist of a driver and a passenger can be flexibly supported, and waist fatigue caused by waist suspension or sedentary sitting is relieved.
Preferably, the upper end of the supporting plate is provided with a backward protruding hanging structure, the hanging structure is provided with a hanging groove with a downward opening, and the side part of the hanging groove is provided with an elastic clamping tongue. The structure is adopted so as to facilitate assembly.
Compared with the prior art, the invention has the beneficial effects that:
1. under the effect of first extension spring and second extension spring, supporting component can carry out adaptability along with thrust or dead weight on human back and float to form an elastic support, for traditional waist support bearing structure, the travelling comfort is better.
2. The waist holds in the palm can carry out Z to and X to adjusting, and supporting component's supporting height and front and back supporting position are adjustable promptly to can satisfy the user's of different physique and use, the commonality is good.
3. The waist holds in palm X to adjusting adopts the cable traction drive, has novel structure and adjusts convenient advantage.
4. The backup pad of spring steel wire and supporter front side is elastic component, can form flexible support to the user's waist, and the travelling comfort is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a schematic view of the structure of the lumbar support after hiding the backrest frame (front side view angle of the backrest);
fig. 3 is a schematic view of the structure of the lumbar support after hiding the backrest frame (back view);
Fig. 4 is a cross-sectional view of a suspended guide sleeve.
Detailed Description
The invention is further described below with reference to examples and figures.
As shown in fig. 1 to 3, a four-way lumbar support driven by a guy rope is provided, including a backrest frame 1, a support component 2 is provided in the backrest frame 1, the support component 2 is used for supporting the lumbar region of a user, a spring steel wire 8 is transversely arranged in the middle of the backrest frame 1, the upper end of the support component 2 is rotatably connected on the spring steel wire 8, an X-direction driving mechanism 3 is provided in the backrest frame 1, the X-direction driving mechanism 3 comprises a guy rope 3b and a guy rope motor 3a for controlling the guy rope 3b to move, wherein the guy rope 3b is supported at the lower end of the rear side of the support component 2, the backrest frame 1 is respectively connected with a first tension spring 4 and a second tension spring 5 at positions close to two ends of the lower part of the support component 2, one ends of the first tension spring 4 and the second tension spring 5 are both connected on the guy rope 3b, after the product assembly is completed, the lower part of the support component 2 is borne on the guy rope 3b, the guy rope 3b is suspended on the first tension spring 4 and the second tension spring 5, so that the lower part of the support component 2 is suspended in the backrest frame 1 by the spring, and the user can support the lumbar region of the user with better self-weight, and the comfort can be realized when the user is supported by the support component, and the lumbar support is more comfortable and the user.
As shown in fig. 2 and 3, a suspension guide sleeve 3c and two groups of fixed guide sleeves 3d which are in sliding fit with the suspension guide sleeve are connected to the suspension guide sleeve 3b, the two groups of fixed guide sleeves 3d are fixedly arranged at the lower end of the rear side of the support component 2, a suspension joint sheet 6 is fixedly arranged at the position of the backrest frame 1 corresponding to the first tension spring 4 and the second tension spring 5, a connecting hole 6a is formed in the suspension joint sheet 6, a first suspension seat 3f is formed in the suspension guide sleeve 3c, one end, far away from the cable motor 3a, of the cable 3b is provided with a second suspension seat 3e, one end of the first tension spring 4 is connected to the first suspension seat 3f in a hanging mode, the other end of the first tension spring 4 is connected to the corresponding suspension joint sheet 6 in a hanging mode, one end of the second tension spring 5 is connected to the second suspension seat 3e in a hanging mode, and the other end of the second tension spring is connected to the corresponding suspension joint sheet 6 in a hanging mode, and the design is adopted, so that the support position of the lumbar support in the backrest thickness direction can be adjusted, namely, the motor 3a works to drive the cable 3b to shrink or release, and accordingly the support component 2 moves in the backrest thickness direction. In this embodiment, the cable motor 3a is an existing mature component, and the working principle thereof will not be further described here.
As shown in fig. 1 and 4, the cable motor 3a is fixedly assembled at the side of the backrest frame 1, and in order to convert the cable 3b from vertical to horizontal, a first linear hole a and a second linear hole b which are mutually perpendicular are arranged in the suspension guide sleeve 3c, and an arc-shaped hole c is in transitional connection between the first linear hole a and the second linear hole b.
As shown in fig. 2 and 3, the present embodiment provides an implementation structure for rotationally connecting the support assembly 2 and the spring steel wire 8, specifically, the support assembly 2 has two guide steel wires 2c which are all arranged along the height direction of the backrest frame 1, a transverse steel wire 2d is integrally connected between the lower ends of the two guide steel wires 2c, and the upper ends of the two guide steel wires 2c are all rotationally connected to the spring steel wire 8.
In order to carry out Z to the support and to adjust, support assembly 2 embeds support body 2a and Z to actuating mechanism 2b, wherein the both ends of support body 2a rear side sliding fit is on two guide steel wires 2c, Z is to actuating mechanism 2b including lead screw 2b1, nut cover 2b2 and the motor 2b3 that drives nut cover 2b2 pivoted on lead screw 2b1, motor 2b3 is fixed in the rear side of support body 2a, the upper and lower both ends of lead screw 2b1 are connected respectively on spring steel wire 8 and on horizontal steel wire 2d, based on this structural arrangement, motor 2b3 work can drive support body 2a and follow back height direction and remove, thereby realize the Z to adjust of support.
In order to ensure the working reliability of the Z-direction driving mechanism 2b, when the support body 2a moves up and down, the screw rod 2b1 should keep a non-rotating state, meanwhile, because the support assembly 2 provided in this embodiment needs to rotate relative to the spring steel wire 8, in this embodiment, the upper end of the screw rod 2b1 is hooked on the spring steel wire 8 through the hook d, and the lower end is fixedly connected to the transverse steel wire 2d, so that the design not only ensures that the screw rod 2b1 does not rotate, but also ensures that the screw rod 2b1 can rotate relative to the spring steel wire 8.
As shown in fig. 2 and 3, the front side of the support body 2a is provided with a support plate 2e, the support plate 2e has elasticity, the upper end of the support plate 2e is rotatably connected to the spring steel wire 8, the lower end of the support plate 2e does not limit any, when the Z-direction driving mechanism 2b works, the front side of the support body 2a slides relative to the rear surface of the support plate 2e, the area of the support plate 2e is larger than that of the support body 2a, and the support plate 2e can form flexible support for the waist of a driver and a passenger due to the elasticity, so that the comfort is better.
For easy assembly, the upper end of the support plate 2e is provided with a hanging structure 2f protruding backwards, the hanging structure 2f is provided with a hanging groove 2f1 with a downward opening, the side part of the hanging groove 2f1 is provided with an elastic clamping tongue 2f2, and after the hanging groove 2f1 is hung on the spring steel wire 8, the elastic clamping tongue 2f2 can prevent the support plate 2e from falling off.
As shown in fig. 3, in order to ensure the stability of the installation of the two sets of fixed guide sleeves 3d at the lower end of the rear side of the support assembly 2, a retaining rod 7 is fixedly connected between the two sets of fixed guide sleeves 3 d.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119542.7A CN113665451B (en) | 2021-09-24 | 2021-09-24 | Four-way waist support driven by traction of inhaul cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119542.7A CN113665451B (en) | 2021-09-24 | 2021-09-24 | Four-way waist support driven by traction of inhaul cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113665451A CN113665451A (en) | 2021-11-19 |
| CN113665451B true CN113665451B (en) | 2025-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111119542.7A Active CN113665451B (en) | 2021-09-24 | 2021-09-24 | Four-way waist support driven by traction of inhaul cable |
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| Country | Link |
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| CN (1) | CN113665451B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161056A (en) * | 2017-07-04 | 2017-09-15 | 上海安闻汽车电子有限公司 | A kind of lacing wire back waist support |
| CN206749609U (en) * | 2017-03-30 | 2017-12-15 | 无锡礼恩派华光汽车部件有限公司 | A kind of compact four-way adjustable lumbar support system |
| CN215921993U (en) * | 2021-09-24 | 2022-03-01 | 重庆延锋安道拓汽车部件系统有限公司 | Four-way adjustable lumbar support device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT394829B (en) * | 1989-08-04 | 1992-06-25 | Schuster Wilhelm | BACKREST FOR A VEHICLE SEAT, WITH AN ADJUSTABLE LUMBAR REST |
| CA2450735A1 (en) * | 2001-07-11 | 2003-01-23 | Alfmeier Corporation | Integrated adjustable lumbar support and trim attachment system |
| CN201863742U (en) * | 2010-11-12 | 2011-06-15 | 刘金涛 | Adjustable steel wire waist support |
-
2021
- 2021-09-24 CN CN202111119542.7A patent/CN113665451B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206749609U (en) * | 2017-03-30 | 2017-12-15 | 无锡礼恩派华光汽车部件有限公司 | A kind of compact four-way adjustable lumbar support system |
| CN107161056A (en) * | 2017-07-04 | 2017-09-15 | 上海安闻汽车电子有限公司 | A kind of lacing wire back waist support |
| CN215921993U (en) * | 2021-09-24 | 2022-03-01 | 重庆延锋安道拓汽车部件系统有限公司 | Four-way adjustable lumbar support device |
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| Publication number | Publication date |
|---|---|
| CN113665451A (en) | 2021-11-19 |
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Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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Country or region after: China Address after: 401122 No. 99 Pingtai Road, Huangmaoping, Liangjiang New Area, Yubei District, Chongqing Applicant after: Anduto (Chongqing) Automotive Parts Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Applicant before: Chongqing andotuo Auto Parts System Co.,Ltd. Country or region before: China |
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