Automobile seat backrest spring steel wire connecting structure

Abstract

The utility model discloses an automobile seat backrest spring steel wire connecting structure in the automobile seat manufacturing industry. Comprising a first connecting rib and a second connecting rib, front connecting columns are installed at the front ends of the first connecting rib and the second connecting rib, rear connecting columns are installed at the rear ends of the first connecting rib and the second connecting rib, a first dismounting head is installed at the inner end of the first connecting rib, and a second dismounting head is installed at the inner end of the second connecting rib. Spring grooves are formed in the middles of the inner ends of the first dismounting head and the second dismounting head, two positioning grooves are formed in the two sides of the inner ends of the first dismounting head and the second dismounting head, dismounting bases are installed at the inner ends of the first dismounting head and the second dismounting head, cross-shaped installation grooves are formed in the middles of the inner ends of the dismounting bases, and positioning columns are installed on the two sides of the outer ends of the dismounting bases. Telescopic rods are installed in the middles of the outer ends of the dismounting bases and sleeved with tension springs, spring steel wires are installed between the dismounting bases at the two ends, and cross-shaped installation blocks are installed between the two ends of the spring steel wires. The device can prevent relative displacement.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat manufacturing, in particular to an automobile seat back spring steel wire connection structure. Background Art

[0002] Car seats can be divided into split seats and long seats according to their shapes; they can be divided into fixed, detachable and adjustable types according to their functions; they can be divided into single, double and multi-person seats according to the number of passengers. According to the performance of the seats, they have developed from the earliest fixed seats to multi-functional power-adjustable seats, including air cushion seats, electric seats, stereo seats, mental recovery seats, and electronically adjustable seats. According to the material, they can be divided into leather seats and velvet seats, etc. There are also some seats for special users, such as child seats and racing seats. Car seats provide drivers and passengers with easy-to-operate, comfortable and safe driving and riding positions. It should meet the following conditions:

[0003] 1. The arrangement of seats in the entire car should be reasonable, especially the driver's seat must be in the best position;

[0004] 2. The appearance design of the seat must conform to the physiological functions of the human body and strive to be beautiful while ensuring comfort;

[0005] 3. The seat must be safe and reliable, have sufficient strength, rigidity and durability, be compact and minimize mass;

[0006] 4. Various adjustment mechanisms designed to meet the comfort needs of drivers and passengers must have reliable locking devices to ensure safety.

[0007] According to the parts, they can be roughly divided into: front seats: headrest, backrest, seat cushion, (armrest); rear seats: (headrest), backrest, seat cushion, side wings, (armrest), among which the spring steel wire connection structure of the backrest is a very important component.

[0008] However, the existing technology has the following problems:

[0009] 1. The connecting rubber strip and the spring steel wire in the existing connection structure of the backrest spring steel wire will produce relative displacement after the passenger leans back for a long time, which seriously affects the stability of the connecting rubber strip and the spring steel wire, thereby affecting the comfort of the seat back;

[0010] 2. When the connecting rubber strip and spring steel wire are relatively displaced, friction may cause abnormal noise, thus affecting the comfort of the seat and even the entire vehicle, and the replacement cost is high. Utility Model Content

[0011] The utility model aims to provide a car seat back spring steel wire connection structure to solve the above-mentioned problems of poor bottom stability and easy generation of abnormal noise.

[0012] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spring steel wire connection structure for a car seat backrest, comprising a first connecting rib and a second connecting rib, the front ends of the first connecting rib and the second connecting rib are both equipped with front connecting columns, the rear ends of the first connecting rib and the second connecting rib are both equipped with rear connecting columns, the inner end of the first connecting rib is equipped with a first disassembly head, the inner end of the second connecting rib is equipped with a second disassembly head, a spring groove is opened in the middle of the inner ends of the first disassembly head and the second disassembly head, two positioning grooves are opened on both sides of the inner ends of the first disassembly head and the second disassembly head, the inner ends of the first disassembly head and the second disassembly head are equipped with a disassembly seat, a cross mounting groove is opened in the middle position of the inner end of the disassembly seat, positioning columns are installed on both sides of the outer end of the disassembly seat, a telescopic rod is installed in the middle position of the outer end of the disassembly seat, a tension spring is sleeved on the telescopic rod, a spring steel wire is installed in the middle of the disassembly seats at both ends, and a cross mounting block is installed in the middle of both ends of the spring steel wire.

[0013] As a further solution of the utility model: the front connecting column and the front ends of the first connecting rib and the second connecting rib are an integrated structure, and the rear connecting column and the rear ends of the first connecting rib and the second connecting rib are an integrated structure. The first connecting rib and the second connecting rib are used to support the spring steel wire, and the front connecting column and the rear connecting column cooperate to connect the first connecting rib and the second connecting rib.

[0014] As a further solution of the utility model: the first disassembly head and the inner end of the first connecting rib are an integrated structure, and the second disassembly head and the inner end of the second connecting rib are an integrated structure. The first disassembly head and the second disassembly head are used to install the disassembly seat.

[0015] As a further solution of the utility model: the positioning groove is opened on both sides of the inner ends of the first disassembly head and the second disassembly head, and the spring groove is opened in the middle of the inner ends of the first disassembly head and the second disassembly head. The positioning groove is used for inserting the positioning column, and the spring groove is used for installing the telescopic rod.

[0016] As a further solution of the utility model: the cross installation groove is opened at the middle position of the inner end of the disassembly seat and the middle position of the inner end of the rear connecting column, the positioning column is symmetrically installed on the outer side of the disassembly seat, and the positioning column and the positioning groove correspond one to one. The cross installation groove is used to install the cross installation block, the disassembly seat is used to install and fix the two ends of the spring steel wire, and the positioning column cooperates with the positioning groove to limit the disassembly seat.

[0017] As a further solution of the utility model: the bottom end of the telescopic rod is installed at the middle position of the outer end of the disassembly seat, and the tension spring is sleeved on the telescopic rod. The telescopic rod and the tension spring cooperate to facilitate the disassembly of the spring wire, wherein the tension spring can provide tensioning force.

[0018] As a further solution of the utility model: the spring steel wire is installed in the middle of the first connecting rib and the second connecting rib, the cross mounting block is installed at the two outer ends of the spring steel wire and the front end of the front connecting column, and the cross mounting block and the cross mounting groove are installed in cooperation. The spring steel wire is used to support the entire connection structure, and the cross mounting block and the cross mounting groove are used to fix the spring steel wire to prevent it from displacement.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. In the present invention, the first connecting rib, the second connecting rib and the spring wire can be limited by the cooperation of the positioning groove and the positioning column, and the cooperation of the cross mounting block and the cross mounting groove, so as to prevent relative displacement.

[0021] 2. In the utility model, the tension spring is sleeved on the telescopic rod, so that the spring wire can be easily disassembled and assembled. In addition, the tension of the tension spring can also provide a tightening force, thereby playing a tightening role. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the overall installation structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the installation structure of the telescopic rod and the limit rod of the utility model;

[0025] Figure 4 This is a schematic diagram of the installation structure of the cross mounting block and the cross mounting groove of the utility model

[0026] In the figure: 1. first connecting rib; 2. second connecting rib; 3. front connecting column; 4. rear connecting column; 5. first disassembly and assembly head; 6. positioning groove; 7. spring groove; 8. disassembly and assembly seat; 9. cross mounting groove; 10. positioning column; 11. telescopic rod; 12. tension spring; 13. spring steel wire; 14. cross mounting block; 15. second disassembly and assembly head. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-4 In the embodiment of the utility model, a spring steel wire connection structure of a car seat backrest includes a first connecting rib 1 and a second connecting rib 2. The front ends of the first connecting rib 1 and the second connecting rib 2 are both equipped with a front connecting column 3. The rear ends of the first connecting rib 1 and the second connecting rib 2 are both equipped with a rear connecting column 4. The inner end of the first connecting rib 1 is equipped with a first disassembly head 5. The inner end of the second connecting rib 2 is equipped with a second disassembly head 15. A spring groove is opened in the middle of the inner ends of the first disassembly head 5 and the second disassembly head 15. 7. Two positioning grooves 6 are provided on both sides of the inner ends of the first disassembly head 5 and the second disassembly head 15. A disassembly seat 8 is provided on the inner ends of the first disassembly head 5 and the second disassembly head 15. A cross mounting groove 9 is provided in the middle of the inner end of the disassembly seat 8. Positioning columns 10 are provided on both sides of the outer ends of the disassembly seat 8. A telescopic rod 11 is provided in the middle of the outer end of the disassembly seat 8. A tension spring 12 is sleeved on the telescopic rod 11. A spring steel wire 13 is provided in the middle of the disassembly seat 8 at both ends. A cross mounting block 14 is provided in the middle of both ends of the spring steel wire 13. Through the cooperation of the positioning groove 6 and the positioning column 10, and the cooperation of the cross mounting block 14 and the cross mounting groove 9, the device can limit the first connecting rib 1, the second connecting rib 2 and the spring steel wire 13 to prevent them from relative displacement. By sleeve-connecting the tension spring 12 with the telescopic rod 11, the disassembly and assembly of the spring steel wire 13 can be facilitated. In addition, the tension of the tension spring 12 can also provide a tightening force, which plays a tightening role.

[0029] The front connecting column 3 is an integrated structure with the front ends of the first connecting rib 1 and the second connecting rib 2, and the rear connecting column 4 is an integrated structure with the rear ends of the first connecting rib 1 and the second connecting rib 2. The first connecting rib 1 and the second connecting rib 2 are used to support the spring wire 13, and the front connecting column 3 and the rear connecting column 4 cooperate to connect the first connecting rib 1 and the second connecting rib 2.

[0030] The first disassembly head 5 is an integral structure with the inner end of the first connecting rib 1, and the second disassembly head 15 is an integral structure with the inner end of the second connecting rib 2. The first disassembly head 5 and the second disassembly head 15 are used to install the disassembly seat 8.

[0031] The positioning groove 6 is opened on both sides of the inner ends of the first disassembly head 5 and the second disassembly head 15, and the spring groove 7 is opened in the middle position of the inner ends of the first disassembly head 5 and the second disassembly head 15. The positioning groove 6 is used for the insertion of the positioning column 10, and the spring groove 7 is used for installing the telescopic rod 11.

[0032] The cross mounting groove 9 is opened at the middle position of the inner end of the disassembly seat 8 and the middle position of the inner end of the rear connecting column 4. The positioning column 10 is symmetrically installed on the outer side of the disassembly seat 8, and the positioning column 10 corresponds to the positioning groove 6. The cross mounting groove 9 is used to install the cross mounting block 14, and the disassembly seat 8 is used to install and fix the two ends of the spring steel wire 13. The positioning column 10 cooperates with the positioning groove 6 to limit the disassembly seat 8.

[0033] The bottom ends of the telescopic rods 11 are mounted in the middle of the outer ends of the disassembly and assembly seat 8, and the tension spring 12 is set on the telescopic rod 11. The cooperation of the telescopic rod 11 and the tension spring 12 facilitates the disassembly and assembly of the spring wire 13, wherein the tension spring 12 can provide tensioning force.

[0034] The spring steel wire 13 is installed in the middle of the first connecting rib 1 and the second connecting rib 2, the cross mounting block 14 is installed at the two outer ends of the spring steel wire 13 and the front end of the front connecting column 3, and the cross mounting block 14 and the cross mounting groove 9 are installed in cooperation. The spring steel wire 13 is used to support the entire connection structure, and the cross mounting block 14 and the cross mounting groove 9 are used to fix the spring steel wire 13 to prevent it from displacement.

[0035] The working principle and use process of the utility model are as follows: Check whether the first disassembly head 5 and the second disassembly head 15 are connected to the first connecting rib 1 and the second connecting rib 2 to be tight. After checking, fix the disassembly seat 8 to the inner ends of the first disassembly head 5 and the second disassembly head 15 through the positioning groove 6 and the positioning column 10. At this time, push the disassembly seat 8 to compress the tension spring 12 and the telescopic rod 11, and fix the spring steel wire 13 to the two ends of the disassembly seat 8 through the cross mounting block 14 and the cross mounting groove 9. The device can limit the first connecting rib 1, the second connecting rib 2 and the spring steel wire 13 through the cooperation of the positioning groove 6 and the positioning column 10, and the cooperation of the cross mounting block 14 and the cross mounting groove 9 to prevent them from relative displacement. The tension spring 12 is connected by the telescopic rod 11, which can facilitate the disassembly and assembly of the spring steel wire 13. In addition, the tension of the tension spring 12 can also provide a tightening force, which plays a tightening role.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A car seat back spring steel wire connection structure, comprising a first connection rib (1) and a second connection rib (2), characterized in that: The front ends of the first connecting rib (1) and the second connecting rib (2) are both provided with front connecting columns (3), the rear ends of the first connecting rib (1) and the second connecting rib (2) are both provided with rear connecting columns (4), the inner end of the first connecting rib (1) is provided with a first disassembly head (5), the inner end of the second connecting rib (2) is provided with a second disassembly head (15), the middle of the inner ends of the first disassembly head (5) and the second disassembly head (15) are provided with a spring groove (7), and the inner ends of the first disassembly head (5) and the second disassembly head (15) are provided with two spring grooves (7) on both sides. A positioning groove (6), the inner ends of the first disassembly head (5) and the second disassembly head (15) are provided with a disassembly seat (8), a cross mounting groove (9) is provided at the middle position of the inner end of the disassembly seat (8), positioning columns (10) are provided on both sides of the outer end of the disassembly seat (8), a telescopic rod (11) is provided at the middle position of the outer end of the disassembly seat (8), a tension spring (12) is sleeved on the telescopic rod (11), spring steel wires (13) are provided in the middle of the disassembly seats (8) at both ends, and cross mounting blocks (14) are provided in the middle of the two ends of the spring steel wire (13).

2. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The front connecting column (3) is an integral structure with the front ends of the first connecting rib (1) and the second connecting rib (2), and the rear connecting column (4) is an integral structure with the rear ends of the first connecting rib (1) and the second connecting rib (2).

3. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The first disassembly head (5) and the inner end of the first connecting rib (1) are an integrated structure, and the second disassembly head (15) and the inner end of the second connecting rib (2) are an integrated structure.

4. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The positioning groove (6) is opened on both sides of the inner ends of the first disassembly head (5) and the second disassembly head (15), and the spring groove (7) is opened in the middle position of the inner ends of the first disassembly head (5) and the second disassembly head (15).

5. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The cross installation groove (9) is opened at the middle position of the inner end of the disassembly seat (8) and the middle position of the inner end of the rear connecting column (4), and the positioning column (10) is symmetrically installed on the outer side of the disassembly seat (8), and the positioning column (10) and the positioning groove (6) correspond one to one.

6. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The bottom end of the telescopic rod (11) is mounted at the middle position of the outer end of the disassembly seat (8), and the tension spring (12) is sleeved on the telescopic rod (11).

7. The automobile seat back spring steel wire connection structure according to claim 1, characterized in that: The spring steel wire (13) is installed at the middle position between the first connecting rib (1) and the second connecting rib (2), the cross mounting block (14) is installed at the two outer ends of the spring steel wire (13) and the front end of the front connecting column (3), and the cross mounting block (14) and the cross mounting groove (9) are installed in coordination.

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