CN219969483U

CN219969483U - Mechanical waist support

Info

Publication number: CN219969483U
Application number: CN202220080518.0U
Authority: CN
Inventors: 王猛
Original assignee: Anwen Automobile Technology Tianjin Co ltd
Current assignee: Anwen Automobile Technology Tianjin Co ltd
Priority date: 2021-02-08
Filing date: 2022-01-13
Publication date: 2023-11-07
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a mechanical waist support. Comprising the following steps: the device comprises a frame wire, a back plate movably connected with the frame wire and a pull wire, wherein one end of the pull wire is directly or indirectly connected with the back plate, the free end of the pull wire is fixed in the driver, and the position of the back plate relative to the frame wire is changed by changing the length of the pull wire outside the driver; the pull wire is sleeved with a sheath with wear resistance and noise reduction performance. The utility model designs a sheath on the surface of the stay wire, and the sheath can be noise-eliminating cotton or non-woven fabric; and the sheath is connected with the surface of the stay wire in a coating mode such as plastic coating, winding or sticking, so that collision friction between the stay wire and a seat wire or a framework is reduced, abnormal sound is effectively avoided, and the space comfort level in a vehicle is improved.

Description

Mechanical waist support

Technical Field

The present disclosure relates generally to the technical field of automobile seat accessory devices, and in particular to a mechanical lumbar support.

Background

In order to achieve the effect of simultaneous actuation at different positions, the conventional automobile seat is more and more widely used as shown in fig. 1, but the pull wire cannot avoid collision friction with a wire and the like in different seat environments, so that abnormal sound is generated. Therefore, we propose a mechanical waist support to solve the problem that the wire and the frame wire collide and rub to generate noise.

Disclosure of Invention

In view of the above-mentioned drawbacks or shortcomings in the prior art, it is desirable to provide a mechanical lumbar support that effectively avoids the risk of abnormal sounds generated by collision friction between a pull wire and a seat wire or a framework, etc., improves the comfort level in the vehicle space, and is easy and convenient to operate and easy to implement.

In a first aspect, the present utility model provides a mechanical lumbar support comprising: the device comprises a frame wire, a back plate movably connected with the frame wire and a pull wire, wherein one end of the pull wire is directly or indirectly connected with the back plate, the free end of the pull wire is fixed in the driver, and the position of the back plate relative to the frame wire is changed by changing the length of the pull wire outside the driver; the pull wire is sleeved with a sheath with wear resistance and noise reduction performance.

According to the technical scheme provided by the embodiment of the utility model, the sheath is connected with the surface of the stay wire through plastic coating, winding or pasting.

According to the technical scheme provided by the embodiment of the utility model, the sheath is noise-eliminating cotton or non-woven fabric.

According to the technical scheme provided by the embodiment of the utility model, the fixed pulley is arranged on the back plate; the stay wire extends from the driver to pass through the upper part of the backboard, bypasses the fixed pulley and changes the extending direction, and is then fixed on the upper part of the backboard; the sheath is sleeved at the contact position of the stay wire and the frame wire.

According to the technical scheme provided by the embodiment of the utility model, the driver is a manual driver or an electric driver.

According to the technical scheme provided by the embodiment of the utility model, the stay wire comprises: a first pull wire, a second pull wire, and a third pull wire; the driver includes: a first driver and a second driver.

According to the technical scheme provided by the embodiment of the utility model, the frame wire is provided with the movable first sliding block and the movable second sliding block; a supporting structure is further arranged between the first sliding block and the second sliding block; the first driver and the second driver are respectively arranged on two sides of the frame wire;

one end of the first stay wire is connected with the first sliding block, and the other end of the first stay wire is connected with the first driver and can be rolled into the first driver or extend out of the first driver;

one end of the second stay wire is connected with the second sliding block, and the other end of the second stay wire is connected with the second driver and can extend out of the second driver or be rolled into the second driver;

one end of the third stay wire is connected with the second sliding block, and the other end of the third stay wire is connected with the second driver and can be rolled into the second driver or extend out of the second driver;

the sheath is sleeved at the position where the first pull wire and/or the second pull wire and/or the third pull wire are in contact with the frame wire.

According to the technical scheme provided by the embodiment of the utility model, the supporting structure is a connecting rod structure or a bendable metal supporting bar structure.

In summary, the technical scheme specifically discloses a specific structure of the mechanical waist support, and the utility model specifically designs a sheath on the surface of the stay wire, wherein the sheath can be noise-eliminating cotton or non-woven fabric; and the sheath is connected with the surface of the stay wire in a coating mode such as plastic coating, winding or sticking, so that collision friction between the stay wire and a seat wire or a framework is reduced, abnormal sound is effectively avoided, and the space comfort level in a vehicle is improved.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural view of a conventional lumbar support device.

Fig. 2 is a schematic structural view of a first embodiment of the mechanical lumbar support.

Fig. 3 is a schematic view of the structure of the sheath when it is over-molded on the pull wire.

Fig. 4 is a schematic view of the structure of the sheath when it is wound around the pull wire.

Fig. 5 is a schematic view of the structure of the sheath when the sheath is stuck on the pull wire.

Fig. 6 is a schematic structural diagram of the portion a in fig. 5.

Fig. 7 is a schematic structural view of the four-way lumbar support device.

Fig. 8 is a schematic structural view of a second embodiment of the mechanical lumbar support.

Fig. 9 is a schematic diagram of the structure of the portion B in fig. 8.

Reference numerals in the drawings: 1. a wire; 2. a pull wire; 3. a sheath; 4. noise-eliminating cotton; 5. a nonwoven fabric; 6. a back plate; 7. a driver; 8. a first pull wire; 9. a second pull wire; 10. a third wire; 11. a first slider; 12. a second slider; 13. a first driver; 14. a second driver; 15. and a fixed pulley.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 2, the mechanical lumbar support provided by the present utility model includes: the wire 1, a back plate 6 movably connected with the wire 1 and a pull wire 2 with one end directly or indirectly connected with the back plate 6, wherein the free end of the pull wire 2 is fixed in the driver 7, and the position of the back plate 6 relative to the wire 1 is changed by changing the length of the pull wire 2 outside the driver 7; the pull wire 2 is sleeved with a sheath 3 with wear resistance and noise reduction performance.

In the embodiment, based on the basic waist support structure, the sheath 3 with wear resistance and noise reduction performance is designed to be sleeved on the surface of the stay wire 2, so that collision friction between the stay wire and a frame wire or a backboard or other adjacent parts is avoided, the generation of abnormal sound is effectively reduced, and the space comfort level in a vehicle is improved;

wherein the sheath 3 is of a type such as noise-eliminating cotton 4 or non-woven fabric 5; the sheath 3 is connected with the surface of the stay wire 2 in a coating mode such as plastic coating, winding or sticking;

as shown in fig. 3, the noise-eliminating cotton 4 is coated on the surface of the stay wire 2, so that the stay wire 2 is in contact with the wire 1, and the collision friction between the stay wire 2 and the wire 1 is reduced;

as shown in fig. 4, the non-woven fabric 5 is wound on the surface of the stay wire 2, so that the stay wire 2 is in contact with the wire 1, and collision friction between the stay wire 2 and the wire 1 is reduced;

as shown in fig. 5 and 6, the nonwoven fabric 5 is adhered to the surface of the stay wire 2, so that the stay wire 2 is in contact with the wire 1, and collision friction between the two is reduced.

Example 1

As shown in fig. 2, the back plate 6 is provided with a fixed pulley 15; the stay wire 2 extends from the driver 7 to pass through the upper part of the back plate 6, bypasses the fixed pulley 15 and changes the extending direction, and is then fixed on the upper part of the back plate 6; the sheath 3 is sleeved at the contact position of the stay wire 2 and the wire 1.

In this embodiment, the fixed pulley 15 is disposed on the back plate 6, and plays a role in guiding and limiting the moving path of the pull wire 2;

a driver 7 disposed at a free end of the pull wire 2, the position of the back plate 6 relative to the wire 1 being changed by changing the length of the pull wire 2 outside the driver 7;

the stay wire 2 extends from the driver 7 to pass through the upper part of the backboard 6, bypasses the fixed pulley 15, changes the extending direction, is fixed on the upper part of the backboard 6, and is sleeved with the sheath 3 at the contact position of the stay wire 2 and the frame wire 1, so as to protect the stay wire, avoid collision friction between the stay wire and the frame wire or the backboard or other adjacent parts, and the like, thereby effectively reducing the generation of abnormal noise and improving the space comfort in the vehicle;

wherein the type of drive 7 is optionally, for example, a manual drive or an electric drive.

Specifically, the lower end of the back plate 6 is fixedly connected with the frame wire 1, the upper end of the back plate 6 is sleeved on the frame wire 1 and can slide along the frame wire 1, one end of the pull wire 2 is fixed with the upper end of the back plate 6, the pull wire 2 extends out of the through hole of the upper end of the back plate 6 by bypassing the fixed pulley 15, and finally is fixedly connected with the driver 7, one end, extending from the upper end of the back plate 6, of the pull wire 2 passes through the frame wire 1, and the pull wire 2 is sleeved with the sheath 3, so that friction or collision between the pull wire 2 and the frame wire 1 is avoided.

Example two

As shown in fig. 7, the pull wire 2 includes: a first pull wire 8, a second pull wire 9 and a third pull wire 10; the driver 7 includes: a first driver 13 and a second driver 14.

As shown in fig. 8 and 9, the wire 1 is provided with a first slider 11 and a second slider 12 which can move freely; a supporting structure is further arranged between the first sliding block 11 and the second sliding block 12; the two sides of the wire 1 are respectively provided with the first driver 13 and the second driver 14;

one end of the first pull wire 8 is connected with the first slider 11, and the other end of the first pull wire is connected with the first driver 13 and can be rolled into the first driver 13 or extend out of the first driver 13;

one end of the second stay wire 9 is connected with the second slider 12, and the other end thereof is connected with the second driver 14, and can extend out of the second driver 14 or be rolled into the second driver 14;

one end of the third pull wire 10 is connected with the second slider 12, and the other end is connected with the second driver 14, and can be rolled into the second driver 14 or extend out of the second driver 14;

the sheath 3 is sleeved at the position where the first pull wire 8 and/or the second pull wire 9 and/or the third pull wire 10 are in contact with the frame wire 1.

In this embodiment, the sheath 3 may also be used in a four-way waist support structure, and the pull wires 2 are the first pull wire 8, the second pull wire 9 and the third pull wire 10 in the four-way waist support; the drivers 7 are a first driver 13 and a second driver 14 in the four-way waist support;

the first sliding block 11 and the second sliding block 12 are arranged on the frame wire 1 and can move, a supporting structure is arranged between the first sliding block and the second sliding block, and the supporting effect of the supporting structure can be adjusted along with the movement of the two sliding blocks so as to adjust the jacking height of the backboard;

wherein the type of support structure is optionally, for example, a link structure or a bendable deformed metal support bar structure;

the first driver 13 and the second driver 14 are arranged at two sides of the frame wire 1 and are used for driving the first pull wire 8, the second pull wire 9 and the third pull wire 10 to roll up and extend out;

specifically, one end of the first pull wire 8 is connected to the first slider 11, and the other end thereof is connected to the first driver 13; one end of the second stay wire 9 is connected with the second slider 12, and the other end of the second stay wire is connected with the second driver 14; one end of the third pull wire 10 is connected with the second slider 12, and the other end is connected with the second driver 14;

when the two sliding blocks are adjusted and driven to move, the supporting points of the supporting structure can be adjusted to move relative to the up-down positions of the frame wires 1, so that the up-down positions of the jacking height of the backboard 6 can be adjusted;

further, the position of the supporting structure is regulated in an auxiliary way through regulating the second pull wire 9 and the third pull wire 10, so that the jacking height of the backboard 6 is regulated, and a good supporting effect is ensured;

when the second driver 14 winds up the second pull wire 9, releases the third pull wire 10, or releases the second pull wire 9, winds up the third pull wire 10 and pulls the second slider 12, the distance between the first slider 11 and the second slider 12 becomes shorter or longer, the jacking height of the support structure becomes higher or shorter, and the jacking height of the back plate 6 becomes higher or shorter;

when the two changes move, four-way adjustment of up, down, front and back can be realized;

when each stay wire moves, the hairspring in the corresponding stay wire moves, and the shell with certain hardness outside the hairspring has a limiting effect on the covered part of the shell.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. A mechanical lumbar support, comprising: the wire drawing device comprises a wire (1), a back plate (6) movably connected with the wire (1) and a drawing wire (2) with one end directly or indirectly connected with the back plate (6), wherein the free end of the drawing wire (2) is fixed in a driver (7), and the position of the back plate (6) relative to the wire (1) is changed by changing the length of the drawing wire (2) outside the driver (7); the stay wire (2) is sleeved with a sheath (3) with wear resistance and noise reduction performance.

2. A mechanical lumbar support according to claim 1, characterized in that the sheath (3) is connected to the surface of the stay wire (2) by means of plastic coating, winding or gluing.

3. A mechanical lumbar support according to claim 1, characterized in that the sheath (3) is noise-reducing cotton (4) or non-woven fabric (5).

4. A mechanical lumbar support according to claim 1, characterized in that the back plate (6) is provided with a fixed pulley (15); the stay wire (2) extends from the driver (7) to pass through the upper part of the back plate (6) and is fixed on the upper part of the back plate (6) after bypassing the fixed pulley (15) to change the extending direction; the sheath (3) is sleeved at the contact position of the stay wire (2) and the frame wire (1).

5. A mechanical lumbar support according to claim 4, characterized in that the actuator (7) is a manual actuator or an electric actuator.

6. A mechanical lumbar support according to claim 1, characterized in that said pull wire (2) comprises: a first pull wire (8), a second pull wire (9) and a third pull wire (10); the driver (7) comprises: a first driver (13) and a second driver (14).

7. A mechanical lumbar support according to claim 6, characterized in that the wire (1) is provided with a first slider (11) and a second slider (12) which are movable; a supporting structure is further arranged between the first sliding block (11) and the second sliding block (12); the two sides of the frame wire (1) are respectively provided with the first driver (13) and the second driver (14);

one end of the first pull wire (8) is connected with the first sliding block (11), and the other end of the first pull wire is connected with the first driver (13) and can be rolled into the first driver (13) or extend out of the first driver (13);

one end of the second pull wire (9) is connected with the second sliding block (12), and the other end of the second pull wire is connected with the second driver (14) and can extend into the second driver (14) or be rolled into the second driver (14);

one end of the third pull wire (10) is connected with the second sliding block (12), and the other end of the third pull wire is connected with the second driver (14) and can be rolled into the second driver (14) or extend out of the second driver (14);

the sheath (3) is sleeved at the position where the first pull wire (8) and/or the second pull wire (9) and/or the third pull wire (10) are in contact with the frame wire (1).

8. A mechanical lumbar support according to claim 7, wherein the support structure is a link structure or a bendable metal support strip structure.