CN212979981U

CN212979981U - Automobile seat backrest framework

Info

Publication number: CN212979981U
Application number: CN202022077896.7U
Authority: CN
Inventors: 孙波
Original assignee: Langfang Zhonghao Auto Parts Manufacturing Co ltd
Current assignee: Langfang Zhonghao Auto Parts Manufacturing Co ltd
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-04-16
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a car seat back skeleton, including back skeleton subassembly, set up in the headrest mounting sleeve of back skeleton subassembly upper end, set up in the first bracing piece of headrest mounting sleeve lower extreme, set up in the second bracing piece of first bracing piece lower extreme and set up in the third bracing piece of second bracing piece lower extreme, the third bracing piece, the both ends of second bracing piece and first bracing piece all are connected with back skeleton subassembly, be provided with the back net in the middle of the back skeleton subassembly, the upper end and the second bracing piece of back net are connected, the lower extreme of back skeleton subassembly is provided with the motor, the lower extreme of motor is provided with electronic angle modulation ware aggregate unit, end connection has the angle modulation ware before the electronic machine aggregate unit of transferring, be provided with the spacing spring card of motor on the motor, the spacing spring card of motor is connected with the back net. The steel wire framework of the rear seat of the automobile is simple to operate, convenient to install, light in weight, low in noise and good in comfort.

Description

Automobile seat backrest framework

Technical Field

The utility model belongs to the technical field of the seat skeleton technique and specifically relates to a car seat back skeleton is related to.

Background

Along with the car is popularized day by day, the comfort level and the security requirement of consumer to the seat are higher and higher, are provided with back skeleton on the car seat, and general car back skeleton, weight is big, wastes time and energy when the installation, and the noise is big, and back elasticity is poor when using, and the travelling comfort is poor, consequently it is very necessary to design a simple structure, the good car seat back skeleton of travelling comfort.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a car seat back skeleton has realized car back-row seat steel wire skeleton easy operation, simple to operate, and the quality is light, and is small in noise, and the travelling comfort is good.

In order to achieve the purpose, the utility model provides an automobile seat backrest framework, which comprises a backrest framework component, a headrest mounting sleeve arranged at the upper end of the backrest framework component, a first supporting rod arranged at the lower end of the headrest mounting sleeve, a second supporting rod arranged at the lower end of the first supporting rod and a third supporting rod arranged at the lower end of the second supporting rod, wherein the two end parts of the third supporting rod, the second supporting rod and the first supporting rod are all connected with the backrest framework component;

the backrest comprises a backrest framework assembly, and is characterized in that a motor is arranged at the lower end of the backrest framework assembly, an electric angle adjuster linkage device is arranged at the lower end of the motor, an angle adjuster is connected to the front end of the electric angle adjuster linkage device, the upper end of the backrest framework assembly is of a cylindrical structure, the lower end of the backrest framework assembly is of a wing-shaped structure and is provided with a boss reinforcing rib, a lightening hole and a reinforcing plate, a groove is formed in the boss reinforcing rib, a motor limiting spring clamping piece is arranged on the motor, and the motor limiting spring clamping piece is connected with;

the headrest mounting sleeve is of a telescopic structure, and a notch is formed in the upper end of the headrest mounting sleeve.

Preferably, the backrest grid comprises twelve transverse strips and three longitudinal strips connected with the transverse strips, the longitudinal strips are connected with the transverse strips through carbon dioxide arc welding, the joint of the transverse strips and the longitudinal strips at the lower end is of a bent structure, the longitudinal strips at the two ends are of an L-shaped structure, and felt strips are arranged at the lower end of the longitudinal strips.

Preferably, the backrest framework assembly is provided with a mounting support, the mounting support is connected with the headrest mounting sleeve, the backrest framework assembly is provided with four tension springs, the tension springs are connected with the longitudinal bars, and two ends of each tension spring are provided with nylon sleeves.

Preferably, the third supporting rod is provided with an oblong groove, and the upper end of the third supporting rod is provided with a reinforcing piece.

Preferably, two rubber sleeves are arranged on the first supporting rod.

Preferably, the boss reinforcing ribs are arranged in an arc-shaped structure, and the grooves are in a cylindrical structure. Therefore, the utility model adopts the above structure a car seat back skeleton has realized car back-row seat steel wire skeleton easy operation, simple to operate, and the quality is light, and is small in noise, and the travelling comfort is good.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic structural view of an embodiment of a backrest frame of a car seat of the present invention;

FIG. 2 is a top side view of an embodiment of a back frame of a car seat of the present invention;

FIG. 3 is a schematic view of a tension spring of an embodiment of a backrest frame of a car seat of the present invention;

wherein 1: a back frame assembly; 101: a motor; 102: an electric recliner linkage; 103: an angle adjuster; 104: a motor limit spring card; 105: arc-shaped boss reinforcing ribs; 106: a reinforcing plate; 107: a cylindrical recess; 108: mounting a bracket; 109: a tension spring; 110: a nylon sleeve; 2: a sleeve is installed on the headrest; 201: cutting; 3: a first support bar; 301: a rubber sleeve; 4: a second support bar; 5: a third support bar; 501: a reinforcement; 6: a backrest grid; 601: a horizontal bar; 602: longitudinal strips; 603: felt strips.

Detailed Description

The technical solution of the present invention is further explained by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Examples

Fig. 1, fig. 3 provides a car seat back skeleton, including back skeleton subassembly 1, set up in headrest mounting sleeve 2 of back skeleton subassembly 1 upper end, set up in first bracing piece 3 of headrest mounting sleeve 2 lower extreme, set up in second bracing piece 4 of first bracing piece 3 lower extreme and set up in third bracing piece 5 of second bracing piece 4 lower extreme, third bracing piece 5, the both ends of second bracing piece 4 and first bracing piece 3 all are connected with back skeleton subassembly 1, be provided with back net 6 in the middle of back skeleton subassembly 1, the upper end and the second bracing piece 4 of back net 6 are connected. The lower extreme of back skeleton subassembly 1 is provided with motor 101, the lower extreme of motor 101 is provided with electronic angle modulation ware aggregate unit 102, the tip connection has angle modulation ware 103 before electronic angle modulation ware aggregate unit 102, the upper end of back skeleton subassembly 1 sets up to cylindrical shape structure, the lower extreme sets up to wing shape structure and has circular arc boss strengthening rib 105, lightening hole and reinforcing plate 106, be provided with cylindrical recess 107 on the circular arc boss strengthening rib 105, this structure increases the intensity of back skeleton subassembly 1 and lightens its weight, accord with the car lightweight principle, be provided with motor spacing spring card 104 on the motor 101, motor spacing spring card 104 is connected with back net 6. The backrest grid 6 comprises twelve transverse strips 601 and three longitudinal strips 602 connected with the transverse strips 601, the longitudinal strips 602 are connected with the transverse strips 601 through carbon dioxide shielded welding, the joints of the lower end transverse strips 601 and the middle longitudinal strips 602 are arranged to be bent structures, welding positions can be found conveniently, meanwhile, the strength of the welding positions is increased, the transverse strips 601 and the longitudinal strips 602 are made of 65Mn spring steel, the strength is high, the toughness and the plasticity are good, the weight is light, the two end longitudinal strips 602 are arranged to be L-shaped structures, and the lower end portions of the two end longitudinal strips are provided with felt strips 603 for absorbing noise emitted by the motor 101 and the backrest grid 6. Be provided with installing support 108 on the back skeleton subassembly 1, installing support 108 is connected with headrest installation sleeve 2, is provided with four extension springs 109 on the back skeleton subassembly 1, and extension spring 109 is connected with vertical strip 602, and extension spring 109 and back net 6 combined action increase the elasticity of back, increase the travelling comfort, and the both ends of extension spring 109 are provided with nylon cover 110, can reduce the noise that extension spring 109 and back net 6 friction appear. Headrest mounting sleeve 2 sets up to telescopic structure, the height of adjustable headrest, headrest mounting sleeve 2 upper end is provided with incision 201, convenient and headrest installation, be provided with the long circular recess on the third bracing piece 5, the upper end of third bracing piece 5 is provided with reinforcement 501, has increased the intensity of third bracing piece 5, is provided with two rubber sleeves 301 on the first bracing piece 3, increases the travelling comfort of back.

Therefore, the utility model adopts the above structure a car seat back skeleton has realized car back-row seat steel wire skeleton easy operation, simple to operate, and the quality is light, and is small in noise, and the travelling comfort is good.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a car seat back skeleton which characterized in that:

the backrest comprises a backrest framework component, a headrest mounting sleeve arranged at the upper end of the backrest framework component, a first support rod arranged at the lower end of the headrest mounting sleeve, a second support rod arranged at the lower end of the first support rod and a third support rod arranged at the lower end of the second support rod, wherein two end parts of the third support rod, the second support rod and the first support rod are all connected with the backrest framework component, a backrest grid is arranged in the middle of the backrest framework component, and the upper end of the backrest grid is connected with the second support rod;

2. The vehicle seat back frame according to claim 1, wherein: the backrest grid comprises twelve transverse strips and three longitudinal strips connected with the transverse strips, the longitudinal strips are connected with the transverse strips through carbon dioxide arc welding, the lower ends of the longitudinal strips are of bent structures at the joints of the transverse strips and the longitudinal strips, the two ends of the longitudinal strips are of L-shaped structures, and felt strips are arranged at the lower ends of the longitudinal strips.

3. The vehicle seat back frame according to claim 2, wherein: the backrest frame assembly is provided with a mounting support, the mounting support is connected with the headrest mounting sleeve, the backrest frame assembly is provided with four tension springs, the tension springs are connected with the longitudinal bars, and two ends of each tension spring are provided with nylon sleeves.

4. The vehicle seat back frame according to claim 3, wherein: the third supporting rod is provided with an oblong groove, and the upper end of the third supporting rod is provided with a reinforcing piece.

5. The vehicle seat back frame according to claim 4, wherein: two rubber sleeves are arranged on the first supporting rod.

6. The vehicle seat back frame according to claim 5, wherein: the boss reinforcing ribs are of circular arc structures, and the grooves are of cylindrical structures.