CN220147196U

CN220147196U - Chair framework

Info

Publication number: CN220147196U
Application number: CN202321601171.0U
Authority: CN
Inventors: 张士春
Original assignee: Yancheng Wolfe Electromechanical Manufacturing Co ltd
Current assignee: Yancheng Wolfe Electromechanical Manufacturing Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-08
Anticipated expiration: 2033-06-25

Abstract

The utility model provides a seat framework, which comprises a mounting base, a seat framework fixedly connected to the top of the mounting base and a seat back framework hinged to one side of the seat framework, wherein a connecting frame is fixedly connected to one side, away from the seat framework, of the seat back framework, an adjusting groove is formed in one side, located on the connecting frame, of the inner part of the seat back framework, and the inner part of the connecting frame is communicated with the adjusting groove. Through starting the motor of adjusting the waist and leaning on inside, when the positive and negative rotation of motor output, can drive the thread bush and control the removal to can promote the waist layer board and control the removal, make a round trip to adjust the position of waist layer board according to user's physique position of sitting demand, make the waist layer board more laminate the waist of different human bodies, the passenger sits on car seat for a long time, and the waist can not feel the soreness and discomfort, has improved seat use comfort level and use suitability.

Description

Chair framework

Technical Field

The utility model relates to a seat framework, and belongs to the field of automobile seat equipment.

Background

Automobile seat frames are typically made of metal or plastic materials and are designed to provide support and stability to ensure that the seat is able to withstand the weight and movement of a passenger, and generally, the design of the automobile seat frames takes into account ergonomic and safety considerations to provide optimal comfort and protection, and in addition, some high-end automobile seats employ electrical adjustment and heating to enhance passenger comfort.

In the prior art, the chair back design of the automobile seat framework is designed to be concave in consideration of human engineering, but when passengers or drivers use the seats, different drivers or passengers have different body types, and the body types of each person cannot be guaranteed to be just fit with the chair back, so that part of the people sit on the automobile seat for a long time, and the phenomenon of waist ache and discomfort is caused because no support is arranged behind the waist, so that the use comfort of the automobile seat is reduced.

In summary, the present utility model provides a seat frame to solve the above-mentioned problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a seat framework so as to solve the problem that the waist rest position of the seat back of the automobile seat framework cannot be properly adjusted according to the body shape of a user in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a seat skeleton, includes installation base, fixed connection in the seat support skeleton at installation base top and articulates in the back of the chair skeleton one side, one side fixedly connected with link of seat support skeleton is kept away from to the back of the chair skeleton, the adjusting slot has been seted up to one side that the inside of back of the chair skeleton is located the link, the inside and the adjusting slot of link are linked together, one side of link inner wall just is provided with the regulation waist and leans on in the inside of adjusting slot.

Further, adjust the waist and lean on including quick-witted case and two flexible cover, machine case fixed connection keeps away from one side of adjustment tank in the link, two flexible cover is fixed connection respectively in the both sides of link inner wall, two the one end of flexible cover all extends to the inside of adjustment tank, two the one end of flexible cover all runs through the gag lever post, two just be located the inside fixedly connected with waist layer board of adjustment tank between the one end of gag lever post, one side fixedly connected with thread bush of waist layer board, the inside fixedly connected with motor of machine case, the output fixedly connected with threaded rod of motor, the one end of threaded rod runs through the one end of quick-witted case, link and thread bush in proper order and extends to the inside of thread bush.

Further, the other ends of the two limiting rods are respectively and fixedly connected with limiting blocks in the two telescopic sleeves, and the telescopic sleeves are in contact with the limiting rods.

Further, the limiting block is in contact with the telescopic sleeve, and the limiting block has a limiting effect on the limiting rod.

Further, the threaded rod is rotatably connected with the chassis, and the threaded rod is rotatably connected with the connecting frame.

Further, the threaded rod is in threaded connection with the threaded sleeve, and the two limiting rods have limiting effects on the waist supporting plate.

Further, the waist support plate is arc-shaped in depression section and can be attached to the radian of the back of a human body.

The utility model has the beneficial effects that:

through starting the motor of adjusting the waist and leaning on inside, when the positive and negative rotation of motor output, can drive the thread bush and control the removal to can promote the waist layer board and control the removal, make a round trip to adjust the position of waist layer board according to user's physique position of sitting demand, make the waist layer board more laminate the waist of different human bodies, the passenger sits on car seat for a long time, and the waist can not feel the soreness and discomfort, has improved seat use comfort level and use suitability.

Through the whole design that is the arc shape of waist layer board, can be the semi-ring to human waist and embrace formula bearing, effectively improved the comfort level to passenger's waist bearing.

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, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic perspective view of a seat frame according to the present utility model;

FIG. 2 is a schematic front view of a seat frame according to the present utility model;

FIG. 3 is a schematic side view of the structure of the magnet ring of FIG. 2;

fig. 4 is a schematic plan view of a seat frame according to the present utility model.

In the figure: 1. a mounting base; 2. a seat frame; 3. a chair back skeleton; 4. a connecting frame; 5. an adjustment tank; 6. adjusting the waist rest; 61. a chassis; 62. a telescopic sleeve; 63. a limit rod; 64. a waist support plate; 65. a thread sleeve; 66. a limiting block; 67. a threaded rod; 68. and a motor.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a seat skeleton, including installation base 1, fixed connection in the seat support skeleton 2 at installation base 1 top and articulated in the back of the chair skeleton 3 of seat support skeleton 2 one side, one side fixedly connected with link 4 of keeping away from seat support skeleton 2 of back of the chair skeleton 3, the adjusting slot 5 has been seted up to one side that the inside of back of the chair skeleton 3 is located link 4, the inside of link 4 is linked together with adjusting slot 5, one side of link 4 inner wall and the inside that is located adjusting slot 5 are provided with and adjust waist and lean on 6, the bottom and the inside fixed connection of automobile frame of installation base 1.

Referring to fig. 3 and 4, the adjusting lumbar support 6 includes a case 61 and two telescopic sleeves 62, the case 61 is fixedly connected to one side of the connecting frame 4 far away from the adjusting slot 5, the two telescopic sleeves 62 are respectively fixedly connected to two sides of the inner wall of the connecting frame 4, one ends of the two telescopic sleeves 62 extend to the inside of the adjusting slot 5, one ends of the two telescopic sleeves 62 extend through a limiting rod 63, a lumbar support plate 64 is fixedly connected between one ends of the two limiting rods 63 and located in the adjusting slot 5, one side of the lumbar support plate 64 is fixedly connected with a threaded sleeve 65, a motor 68 is fixedly connected to the inside of the case 61, an output end of the motor 68 is fixedly connected with a threaded rod 67, one ends of the threaded rod 67 sequentially extend through one ends of the case 61, the connecting frame 4 and the threaded sleeve 65 and extend to the inside of the threaded sleeve 65, the motor 68 is connected with an automobile built-in power supply and is provided with a power supply control switch, and the motor 68 is a three-phase asynchronous motor, and an output end can be adjusted in a forward and reverse rotation.

Referring to fig. 4, the other ends of the two limiting rods 63 are respectively and fixedly connected with limiting blocks 66 inside the two telescopic sleeves 62, the telescopic sleeves 62 are contacted with the limiting rods 63, and the limiting rods 63 can slide left and right on the telescopic sleeves 62.

Referring to fig. 4, the limiting block 66 contacts with the telescopic sleeve 62, the limiting block 66 has a limiting effect on the limiting rod 63, and the limiting block 66 can ensure that the limiting rod 63 cannot derail with the telescopic sleeve 62.

Referring to fig. 4, a threaded rod 67 is rotatably connected to the casing 61, and the threaded rod 67 is rotatably connected to the connecting frame 4.

Referring to fig. 3 and 4, the threaded rod 67 is in threaded connection with the threaded sleeve 65, the two limiting rods 63 have a limiting effect on the waist supporting plate 64, the waist supporting plate 64 is in an arc shape, the waist supporting plate can be in a semi-annular shape for supporting the waist of a person, the comfort level of supporting the waist of the person is effectively improved, the threaded sleeve 65 is limited by the waist supporting plate 64 and the two limiting rods 63, when the threaded rod 67 rotates clockwise, the threaded sleeve 65 can be driven to move leftwards, when the threaded rod 67 rotates anticlockwise, the threaded sleeve 65 can be driven to move rightwards, and the threaded rod 67 and the limiting block 66 can be matched for use so as to ensure that the threaded rod 67 and the threaded sleeve 65 rotate without derailment.

Referring to fig. 4, the waist support plate 64 is curved in plan view and can conform to the curvature of the back of a person.

The specific embodiment is as follows: through the human body sitting on the top of the chair seat framework 2 and backing the chair back framework 3, the legs of each person are different, in order to enable the back of the human body to be more attached to the chair back framework 3 and carry out good waist bearing, the motor 68 for adjusting the inside of the waist rest 6 can be started, when the output end of the motor 68 rotates clockwise, the threaded rod 67 can be driven to rotate clockwise, the threaded sleeve 65 is limited by the waist support plate 64 and the two limiting rods 63, the threaded sleeve 65 can be driven to move leftwards, the threaded sleeve 65 pushes the waist support plate 64 to move leftwards, the concave cambered surface of the waist support plate 64 is close to the waist of the human body and attached, and passengers can sit on the automobile seat for a long time, the waist can not feel the ache uncomfortable, improved the seat and used the comfort level, when the anticlockwise rotation switch of starter motor 68 output, can drive threaded rod 67 anticlockwise rotation to drive thread bush 65 and remove to the right, adjust waist layer board 64's position according to user's physique position of sitting demand round trip, improved the seat and used the suitability, the cooperation of gag lever post 63 and stopper 66 is used and can be guaranteed threaded rod 67 and thread bush 65 rotation and not derail, and waist layer board 64 wholly is the arc shape, can be the semi-ring support of holding in the arms to human waist, has effectively improved the comfort level to passenger's waist support.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a seat skeleton, includes installation base (1), fixed connection in seat support skeleton (2) at installation base (1) top and articulates in back of the chair skeleton (3) of seat support skeleton (2) one side, its characterized in that: one side fixedly connected with link (4) of seat back skeleton (2) is kept away from to back of the chair skeleton (3), regulation groove (5) have been seted up to one side that the inside of back of the chair skeleton (3) is located link (4), the inside of link (4) is linked together with regulation groove (5), one side of link (4) inner wall just is provided with regulation waist by (6) in the inside of being located regulation groove (5).

2. A seat frame as claimed in claim 1, wherein: the utility model provides an adjust lumbar support (6) including quick-witted case (61) and two flexible cover (62), one side that adjustment tank (5) was kept away from in link (4) is quick-witted case (61), two flexible cover (62) are fixed connection respectively in the both sides of link (4) inner wall, two the one end of flexible cover (62) all extends to the inside of adjustment tank (5), two the one end of flexible cover (62) all runs through gag lever post (63), two just be located the inside fixedly connected with waist layer board (64) of adjustment tank (5) between the one end of gag lever post (63), one side fixedly connected with thread bush (65) of waist layer board (64), the inside fixedly connected with motor (68) of machine case (61), the output fixedly connected with threaded rod (67) of motor (68), the one end of threaded rod (67) runs through quick-witted case (61), link (4) and the one end of thread bush (65) in proper order and extends to the inside of thread bush (65).

3. A seat frame as claimed in claim 2, wherein: the other ends of the two limiting rods (63) are respectively and fixedly connected with limiting blocks (66) inside the two telescopic sleeves (62), and the telescopic sleeves (62) are in contact with the limiting rods (63).

4. A seat frame as claimed in claim 3, wherein: the limiting block (66) is in contact with the telescopic sleeve (62), and the limiting block (66) has a limiting effect on the limiting rod (63).

5. A seat frame as claimed in claim 2, wherein: the threaded rod (67) is rotatably connected with the case (61), and the threaded rod (67) is rotatably connected with the connecting frame (4).

6. A seat frame as claimed in claim 2, wherein: the threaded rod (67) is in threaded connection with the threaded sleeve (65), and the two limiting rods (63) have limiting effect on the waist supporting plate (64).

7. A seat frame as claimed in claim 2, wherein: the waist support plate (64) is arc-shaped in depression section and can be attached to the radian of the back of a human body.