Metal part on automobile seat framework

Abstract

The utility model relates to a metal part on an automobile seat framework, which comprises a backrest framework, the backrest framework comprises a back plate and support frames arranged on two sides of the back plate, each support frame comprises a vertical metal side plate, and a metal part extending upwards is formed on the front side edge of each metal side plate. The front side edges and the rear side edges of the connecting plate and the metal side plates are bent to form front side plates and rear side plates respectively, mounting holes are formed in the bottoms of the metal side plates, transverse rectangular inserting holes are formed in the portions, on the upper sides of the mounting holes, of the metal side plates, the front ends of the inserting holes penetrate through the front side plates, and connecting frames which are bent inwards and are in a U shape are formed on the peripheries of the inserting holes in the rear sides of the front side plates. The metal parts are the square pipe and the supporting frame on the seat framework, the square pipe and the supporting frame are installed and connected through the bolts and the connecting pipes, installation and connection between the square pipe and the supporting frame can be facilitated, and meanwhile the strength of the supporting frame can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive seat skeletons, and more specifically to the metal components on automotive seat skeletons. Background Art

[0002] The automotive seat skeleton is the core support structure of an automotive seat. The existing automotive seat skeletons generally consist of a backrest skeleton and a seat cushion skeleton. The existing backrest skeleton includes metal components such as a back plate and side support frames. Among them, the side support frames are also mainly formed by sheet metal stamping. The side support frames formed by sheet metal stamping have the advantages of light weight and convenient manufacturing. However, compared with the side support frames with a pipe structure, the strength is relatively lacking. Therefore, enhancing the strength of the side support frames has always been a research direction for automotive seat skeletons. There is an existing side support frame, whose external structure is similar to the support frame in the attached drawings of this application Figure 3 and similar jacks are also provided on the existing side support frame as in Figure 3 ; square pipes are inserted into the jacks. The square pipes and two groups of side support frames form an H-shaped support structure to improve the support strength for the seat back plate. Generally, the square pipes are fixedly connected to the side support frames by welding. The requirements for welding are relatively high and the cost is also high. Therefore, someone proposed whether a bolt connection method can be used to replace welding for convenience. Therefore, a structure for bolt connection between the square pipe and the side support frame needs to be designed. Summary of the Utility Model

[0003] The purpose of the utility model is to aim at the deficiencies of the existing technology and provide metal components on an automotive seat skeleton. The metal components are the square pipes and support frames on the seat skeleton. The square pipes and the support frames are installed and connected by bolts and connecting pipes, which can facilitate the installation and connection between the square pipes and the support frames and effectively improve the strength of the support frames.

[0004] The metal components on the automotive seat skeleton include a backrest skeleton. The backrest skeleton includes a back plate and support frames arranged on both sides of the back plate. The support frames include vertical metal side plates. An upward-extending connecting plate is formed on the front side edge of the metal side plate. Front side plates and rear side plates are respectively bent and formed on the front and rear side edges of the connecting plate and the metal side plate. An installation hole is formed at the bottom of the metal side plate. A horizontally rectangular jack is formed on the metal side plate above the installation hole. The front end of the jack penetrates through the front side plate. A connecting frame bent inward and in a "U" shape is formed around the jack on the rear side of the front side plate;

[0005] A horizontal square pipe is inserted between the two groups of support frames. The two ends of the square pipe are respectively inserted into the jacks of the metal side plates and abutted against the inner side walls of the connecting frames. A longitudinal connecting pipe is inserted into the connecting frame. The front end of the connecting pipe passes through the square pipe and abuts against the front side plate, and the rear end is close to the rear side plate. Longitudinal bolts are respectively inserted into the front side plate and the rear side plate, and the bolts are respectively screwed and fixed in the front and rear ends of the connecting pipe.

[0006] Preferably, the width of the connecting plate is smaller than the width of the metal side plate, and the front edge of the connecting plate is flush with the front edge of the metal side plate;

[0007] The connecting plate is formed with a reinforcing recess extending to the rear plate, and the reinforcing recess is formed with several vertically distributed waist-shaped holes.

[0008] Preferably, the outer wall of the front side of the square tube abuts against the front side plate, and the inner side wall of the insertion hole abuts against the outer side wall of the square tube respectively.

[0009] The front end face of the connecting frame is formed with positioning holes opposite to the connecting tube; the front and rear plates are respectively formed with bolt through holes opposite to the bolts.

[0010] Preferably, the connecting pipe consists of a front connecting pipe and a rear connecting pipe. The front connecting pipe is inserted into the square tube and the connecting frame. The bolt on the front plate is screwed into the front end of the front connecting pipe. The rear end of the front connecting pipe extends out of the connecting frame and is screwed into the rear connecting pipe. The rear end of the rear connecting pipe is formed with an internal thread connecting sleeve. The bolt on the rear plate is screwed into the internal thread connecting sleeve.

[0011] The length of the front connector is less than the length of the rear connector, and the length of the rear connector is less than the distance between the connecting frame and the rear panel.

[0012] Preferably, the rear end of the front connector is formed with a regular hexagonal countersunk hole, and parallel grooves are formed on the outer walls of both sides of the rear connector.

[0013] Preferably, the upper end of the metal side plate is formed with a positioning pin hole.

[0014] Preferably, the rear side plate of the metal side plate is inclined, and a sealing gasket is sandwiched between the rear side plate and the head of the bolt.

[0015] The beneficial effects of this utility model are as follows:

[0016] These metal components are square tubes and support frames on the seat frame. The square tubes and support frames are connected by bolts and connecting pipes, which facilitates the installation and connection between the square tubes and support frames while effectively improving the strength of the support frames. Attached Figure Description

[0017] Figure 1 This is a rear view structural schematic diagram of the present invention;

[0018] Figure 2 This is a partial sectional view of the side of this utility model;

[0019] Figure 3 This is a three-dimensional structural diagram of the internal support frame of this utility model.

[0020] In the figure: 1. Metal side plate; 11. Connection plate; 12. Front side plate; 13. Rear side plate; 14. Jack; 15. Connection frame; 16. Positioning hole; 17. Reinforcement concave platform; 18. Waist-shaped hole; 19. Mounting hole; 110. Bolt through-hole; 111. Positioning pin hole; 2. Square tube; 3. Connecting pipe; 31. Front connecting pipe; 311. Counterbore; 32. Rear connecting pipe; 321. Internal thread connecting sleeve; 4. Bolt; 5. Rubber washer. Specific implementation mode

[0021] Example: As shown in Figure 1 , 2 , 3, the metal parts on the vehicle seat frame, including the backrest frame, the backrest frame includes a backboard and support frames arranged on both sides of the backboard, the support frames include vertical metal side plates 1, a connection plate extending upward is formed on the front side of the metal side plate 1, front side plates 12 and rear side plates 13 are respectively bent and formed on the front and rear sides of the connection plate 11 and the metal side plate 1, a mounting hole 19 is formed at the bottom of the metal side plate 1, and the mounting hole 19 is connected to the recliner on the vehicle; a horizontally rectangular jack 14 is formed on the metal side plate 1 above the mounting hole 19, the front end of the jack 14 penetrates through the front side plate 12, and a connection frame 15 bent inward and in a "C" shape is formed around the jack 14 on the rear side of the front side plate 12;

[0022] A horizontal square tube 2 is inserted between the two groups of support frames, and the middle part of the square tube 2 can be fixedly connected to the backboard with a pipe clamp and screws; both ends of the square tube 2 are respectively inserted into the jacks 14 of the metal side plate 1 and abutted against the inner side wall of the connection frame 15, a longitudinal connecting pipe 3 is inserted into the connection frame 15, the front end of the connecting pipe 3 passes through the square tube 2 and abuts against the front side plate 12, and the rear end is close to the rear side plate 13. Longitudinal bolts 4 are respectively inserted into the front side plate 12 and the rear side plate 13, and the bolts 4 are respectively screwed and fixed inside the front and rear ends of the connecting pipe 3.

[0023] The width of the connection plate 11 is smaller than the width of the metal side plate 1, and the front side of the connection plate 11 is flush with the front side of the metal side plate 1;

[0024] A reinforcement concave platform 17 extending to the rear side plate 13 is formed on the connection plate 11, and a number of vertically distributed waist-shaped holes 18 are formed on the reinforcement concave platform 17. The reinforcement concave platform 17 can increase the strength of the part of the connection plate 11 with the waist-shaped holes 18.

[0025] The outer wall of the front side of the square tube 2 abuts against the front side plate 12, and the inner side walls of the jacks 14 respectively abut against the outer wall of the square tube 2; the jacks 14 can position the position of the square tube 2.

[0026] The front end face of the connecting frame 15 is formed with a positioning hole 16 opposite to the connecting tube 3; the positioning hole 16 is used to position the connecting tube 3; the front plate 12 and the rear plate 13 are respectively formed with bolt through holes 110 opposite to the bolt 4.

[0027] The connecting pipe 3 consists of a front connecting pipe 31 and a rear connecting pipe 32. The front connecting pipe 31 is inserted into the square pipe 2 and the connecting frame 15. The bolt 4 on the front side plate 12 is screwed into the front end of the front connecting pipe 31. The rear end of the front connecting pipe 31 extends out of the connecting frame 15 and is screwed into the rear connecting pipe 32. The rear end of the rear connecting pipe 32 is formed with an internal thread connecting sleeve 321. The bolt 4 on the rear plate 13 is screwed into the internal thread connecting sleeve 321.

[0028] The length of the front connecting pipe 31 is less than the length of the rear connecting pipe 32, and the length of the rear connecting pipe 32 is less than the distance between the connecting frame 15 and the rear plate 13. The above-mentioned split structure facilitates the installation and connection between the connecting pipe 3, the square tube 2, and the support frame. During installation, the front connecting pipe 31 is first placed entirely inside the rear connecting pipe 32, then the rear connecting pipe 32 is inserted between the connecting frame 15 and the rear plate 13, and then the front connecting pipe 31 is screwed out and inserted into the connecting frame 15 and the square tube 2; finally, the bolts 4 are used to connect the front connecting pipe 31 and the rear connecting pipe 32 respectively.

[0029] The rear end of the front connector 31 is formed with a regular hexagonal countersunk hole 311, and the outer walls on both sides of the rear connector 32 are formed with parallel grooves. In order to facilitate the unscrewing of the front connector 31 out of the rear connector 32, a groove is provided on the rear connector 32. A wrench can be inserted into the groove to restrict the rotation of the rear connector 32. Then, an Allen wrench is inserted into the countersunk hole 311 of the front connector 31 through the bolt hole 110 and the rear connector 32. Rotating the Allen wrench will allow the front connector 31 to be unscrewed out of the rear connector 32.

[0030] The upper end of the metal side plate 1 is formed with a positioning pin hole 111, and a positioning pin is provided in the positioning pin hole 111. The positioning pin is positioned and connected to the outer frame structure of the seat frame.

[0031] The rear side plate 13 on the rear side of the metal side plate 1 is inclined. A sealing washer 5 is held between the rear side plate 13 and the head of the bolt 4. Because the rear side plate 13 is inclined, the head of the bolt 4 is effectively pressed onto the rear side plate 13 after being compressed by the sealing washer 5.

[0032] Working principle: The structure consists of metal parts, namely square tubes and support frames on the seat frame. The square tubes 2 are inserted into the insertion holes 14 of the support frames. The insertion holes 14 are surrounded by connecting frame frames 15 to support and position the square tubes 2.

[0033] Meanwhile, a connecting pipe 3 is provided inside the support frame. The connecting pipe 3 can be inserted into the square tube 2 and the connecting frame 15 to realize the installation connection between the square tube 2 and the connecting pipe 3. At the same time, the two ends of the connecting pipe 3 are respectively installed and connected to the front plate 12 and the rear plate 13 by bolts 4. The connecting pipe 3 is equivalent to a stiffening plate structure, which can also improve the deformation resistance of the support frame.

[0034] The embodiments described above are illustrative of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be as set forth in the claims.

Claims

1. Metal components for an automobile seat frame, including a backrest frame, the backrest frame including a back panel and support frames disposed on both sides of the back panel, the support frames including vertical metal side panels (1), the front side of the metal side panel (1) having an upwardly extending connecting plate (11), the front and rear sides of the connecting plate (11) and the metal side panel (1) being bent to form a front side panel (12) and a rear side panel (13) respectively, the bottom of the metal side panel (1) having a mounting hole (19), characterized in that: On the metal side plate (1) above the mounting hole (19), a horizontally rectangular jack (14) is formed. The front end of the jack (14) penetrates through the front side plate (12), and a connecting frame (15) that bends inward and is in a "U" shape is formed around the jack (14) on the rear side of the front side plate (12). A horizontal square tube (2) is inserted between the two groups of the support frames. The two ends of the square tube (2) are respectively inserted into the jacks (14) of the metal side plate (1) and abut against the inner side walls of the connecting frame (15). A longitudinal connecting pipe (3) is inserted into the connecting frame (15). The front end of the connecting pipe (3) passes through the square tube (2) and abuts against the front side plate (12), and the rear end is close to the rear side plate (13). Longitudinal bolts (4) are respectively inserted into the front side plate (12) and the rear side plate (13), and the bolts (4) are respectively screwed and fixed in the front and rear ends of the connecting pipe (3).

2. The metal components on the automobile seat frame according to claim 1, characterized in that: The width of the connecting plate (11) is less than the width of the metal side plate (1), and the front side edge of the connecting plate (11) is flush with the front side edge of the metal side plate (1). On the connecting plate (11), a reinforcing concave platform (17) extending to the rear side plate (13) is formed, and a number of vertically distributed waist-shaped holes (18) are formed on the reinforcing concave platform (17).

3. The metal components on the automobile seat frame according to claim 1, characterized in that: The outer wall of the front side of the square tube (2) abuts against the front side plate (12), and the inner side walls of the jacks (14) respectively abut against the outer wall of the square tube (2). On the front end face of the connecting frame (15), a positioning hole (16) opposite to the connecting pipe (3) is formed; on the front side plate (12) and the rear side plate (13), bolt through holes (110) opposite to the bolts (4) are respectively formed.

4. The metal components on the automobile seat frame according to claim 3, characterized in that: The connecting pipe (3) is composed of a front connecting pipe (31) and a rear connecting pipe (32). The front connecting pipe (31) is inserted into the square tube (2) and the connecting frame (15). The bolt (4) on the front side plate (12) is screwed into the front end of the front connecting pipe (31). The rear end of the front connecting pipe (31) extends out of the connecting frame (15) and is screwed into the rear connecting pipe (32). An internal thread connecting sleeve (321) is formed at the rear end of the rear connecting pipe (32), and the bolt (4) on the rear side plate (13) is screwed into the internal thread connecting sleeve (321). The length of the front connecting pipe (31) is less than the length of the rear connecting pipe (32), and the length of the rear connecting pipe (32) is less than the distance between the connecting frame (15) and the rear side plate (13).

5. The metal components on the automobile seat frame according to claim 4, characterized in that: A regular hexagon counter bore (311) is formed at the rear end of the front connecting pipe (31), and parallel clamping grooves are formed on the outer walls of both sides of the rear connecting pipe (32).

6. The metal components on the automobile seat frame according to claim 1, characterized in that: A positioning pin hole (111) is formed at the upper end of the metal side plate (1).

7. The metal components on the automobile seat frame according to claim 1, characterized in that: The rear side plate (13) on the rear side of the metal side plate (1) is inclined, and a sealing washer (5) is clamped between the rear side plate (13) and the head of the bolt (4).

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