CN219749595U

CN219749595U - Seat framework, automobile seat and automobile

Info

Publication number: CN219749595U
Application number: CN202320798821.9U
Authority: CN
Inventors: 王帅帅; 邓冲
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-09-26
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a seat framework, an automobile seat and an automobile, and relates to the technical field of automobile parts. Through triangle-shaped stable structure (frame base, frame side and the bearing diagonal piece of back frame constitute triangle-shaped structure), improved the rigidity of back skeleton, moreover, because this bearing diagonal piece is set up in the bottom two corner positions of back frame, can not improve the focus of whole seat skeleton, finally improve the mode of back skeleton, especially improved the transverse mode of back skeleton, realized the improvement of whole seat mode.

Description

Seat framework, automobile seat and automobile

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a seat framework, an automobile seat and an automobile.

Background

The automobile seat is used as a connecting part of a human body and a vehicle body, has very important influence on riding comfort of an automobile, and the comfort of the automobile seat consists of 3 aspects of static comfort, dynamic comfort and operation comfort. The dynamic comfort of the automobile seat refers to the buffering and damping capacity of the automobile seat, which can play a role in transmitting vibration and impact to a human body, and the dynamic comfort degree is determined by the dynamic characteristics of the structure of the automobile seat. However, for the electric automobile, in order to meet the requirements of light weight and low cost of the automobile, the existing seat framework is designed according to weight reduction and cost reduction, the center of gravity of the whole seat is usually biased upwards after weight reduction and cost reduction, the mode frequency of the whole seat is usually only about 17.6HZ and is relatively close to the mode frequency of 15-17HZ of the whole suspension, and the longitudinal mode or the transverse mode of the electric automobile is easily excited by an engine or a hollow pavement and is transferred to a backrest or acts on a human body, so that subjective feeling and riding comfort of passengers are affected.

Disclosure of Invention

The utility model aims to solve the problem of lower modal frequency of the existing seat framework.

In order to solve the problems, the utility model provides a seat framework, which comprises a seat cushion framework and a backrest framework, wherein the seat framework further comprises an inclined support piece, the seat cushion framework comprises side metal plates and a basin framework, the two side metal plates are respectively connected to the two transverse ends of the basin framework, the bottom end of the backrest framework is respectively connected with the corresponding side metal plates, the backrest framework is of a pipe frame type structure and comprises a backrest frame, and the inclined support piece is arranged between the frame bottom edge and the frame side edge of the backrest frame.

Compared with the prior art, the seat framework provided by the utility model has the following beneficial effects:

the backrest framework can adopt a pipe frame type structure, meanwhile, the cushion framework can adopt a seat basin framework, and the left end and the right end of the seat basin framework are arranged on side metal plates on two sides, so that the seat framework can meet the design requirements of light weight and low cost, and further can be suitable for electric vehicles and other vehicles. The bottom end of the backrest framework is respectively connected with corresponding side metal plates to form the whole seat framework, the periphery of the backrest framework of the tube frame structure is of a frame structure, namely the backrest frame.

Further, the seat frame also comprises a support ring, the seat frame also comprises a seat back transverse tube, two ends of the seat back transverse tube are respectively connected with two rear ends of the side metal plates, and the support ring is sleeved at two ends of the seat back transverse tube and is abutted to the corresponding side metal plates.

Further, the thickness of the rear transverse tube of the cushion is 2mm.

Further, the backrest frame comprises a side pipe structure, a bottom transverse pipe structure and a backrest upper transverse pipe, wherein the transverse two ends of the bottom transverse pipe structure are respectively connected with the corresponding bottom ends of the side pipe structure, the transverse two ends of the backrest upper transverse pipe are respectively bent downwards and are connected with the corresponding top ends of the side pipe structure, one end of the inclined support piece is connected with the side pipe structure, and the other end of the inclined support piece is connected with the bottom transverse pipe structure; and/or the tube thickness of the upper transverse tube of the backrest is 1.5mm.

Further, the backrest framework further comprises a back supporting spring and a back supporting rod, the back supporting rods are arranged in the backrest frame at intervals in the transverse direction, the bottom ends of the back supporting rods are connected with the frame bottom edges of the backrest frame, the back supporting springs are respectively connected with the corresponding back supporting rods, the back supporting springs are arranged in the length direction of the back supporting rods, and at least part of the transverse ends of the back supporting springs are connected with the frame side edges of the backrest frame; and/or the diameter of the bottommost back support spring is 3.5mm, and the diameters of the rest back support springs are 2mm.

Further, the seat frame still includes two parallel and interval lower slide rails that set up, lower slide rail includes outer slide rail and interior slide rail, outer slide rail is used for being connected with the automobile body floor, interior slide rail sliding connection in outer slide rail, interior slide rail rear end is provided with the back support, the seat frame still includes preceding connecting rod, back connecting rod and drive structure, the one end of preceding connecting rod with correspond the lateral part panel beating articulates, the other end of preceding connecting rod with correspond interior slide rail articulates, the one end of back connecting rod with correspond the back support articulates, the other end of back connecting rod with correspond the lateral part panel beating articulates, interior slide rail preceding connecting rod with the lateral part panel beating constitutes parallelogram structure, drive structure set up in on the lateral part panel beating, just drive structure is used for the drive parallelogram structure motion, in order to adjust the lateral part panel beating and the height of sitting basin frame.

Further, the rear support comprises a first support and a second support, the first support and the second support are of a split type structure, the first support is hinged with the rear connecting rod, the second support is used for being connected with a safety belt, and the first support is a sheet metal part; and/or, the plate thickness of the first bracket is 3.5mm.

Further, the two inner slide rails are connected through a slide rail connecting rod, and the slide rail connecting rod is made of plastic materials.

The utility model also provides an automobile seat, which comprises the seat framework.

Since technical improvements and technical effects of the car seat are the same as those of the seat frame, the car seat will not be described in detail.

The utility model also provides an automobile comprising the automobile seat.

Since technical improvements and technical effects of the automobile are the same as those of the automobile seat, the automobile will not be described in detail.

Drawings

Fig. 1 is a schematic structural view of a seat frame according to an embodiment of the present utility model at a first view angle;

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

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is an enlarged view at B in fig. 2.

Reference numerals illustrate:

11. side sheet metal; 12. a bowl frame; 13. a lower slide rail; 131. an outer slide rail; 132. an inner slide rail; 14. a rear bracket; 141. a first bracket; 142. a second bracket; 15. a front link; 16. a rear connecting rod; 17. a slide rail connecting rod; 18. a seat cushion rear transverse tube; 19. a support ring; 21. a back frame; 211. a side tube structure; 212. a bottom transverse tube structure; 213. a back upper transverse tube; 22. a back support bar; 23. a back support spring; 24. and a diagonal support member.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Also, in the drawings, the X-axis indicates the longitudinal direction, that is, the front-rear direction (the running direction of the automobile), and the positive direction of the X-axis indicates the front, and the negative direction of the X-axis indicates the rear; the Y-axis in the drawings represents the lateral direction, i.e., the left-right direction, and the positive direction of the Y-axis represents the left and the negative direction of the Y-axis represents the right; the Z-axis in the drawing represents vertical, i.e., up-down, and the positive direction of the Z-axis represents up and the negative direction of the Z-axis represents down.

It should also be noted that the foregoing X-axis, Y-axis, and Z-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented or configured in a particular orientation and operation and therefore should not be construed as limiting the present utility model.

Referring to fig. 1, a seat frame according to an embodiment of the present utility model includes a seat cushion frame and a backrest frame, the seat cushion frame further includes a diagonal brace 24, the seat cushion frame includes a side metal plate 11 and a bowl frame 12, the two side metal plates 11 are respectively connected to two lateral ends of the bowl frame 12, the bottom end of the backrest frame is respectively connected to the corresponding side metal plates 11, the backrest frame is in a tube frame structure, and the backrest frame includes a backrest frame 21, and the diagonal brace 24 is disposed between a frame bottom edge and a frame side edge of the backrest frame 21.

In this embodiment, the backrest skeleton can adopt the pipe frame structure, and simultaneously, the cushion skeleton then can adopt the seat basin skeleton 12, and both ends are installed on lateral part panel beating 11 of both sides about the seat basin skeleton 12, so, this seat skeleton can accord with the design requirement of lightweight, low cost, and then can be applicable to motorcycle types such as electric automobile. The bottom end of the backrest frame is connected with the corresponding side sheet metal 11 respectively to form the whole seat frame, the periphery of the backrest frame of the tube frame structure is a frame structure, namely the backrest frame 21, and the embodiment is based on realizing the light weight and low cost design of the seat frame, by arranging a diagonal bracing piece 24 between the frame bottom edge of the backrest frame 21 and the frame side edges of the left and right sides respectively, and further by a triangle stabilizing structure (the frame bottom edge, the frame side edge and the diagonal bracing piece 24 of the backrest frame 21 form a triangle structure), the rigidity of the backrest frame is improved, and because the diagonal bracing piece 24 is arranged at two corner positions at the bottom of the backrest frame 21, the gravity center of the whole seat frame is not improved, and finally the mode of the backrest frame can be improved, especially the transverse direction of the backrest frame is improved, the improvement of the whole seat mode is realized, the mode is prevented from being too close to the whole seat frame, and the riding comfort is improved.

The diagonal brace 24 may be a rod-shaped structure, two ends of which are welded to the frame bottom edge and the frame side edge of the backrest frame 21, respectively, and the diameter of the diagonal brace 24 as the rod-shaped structure is preferably 6mm, one of which is to reduce weight and cost, and the other of which is to not excessively increase the seat mode.

Referring to fig. 1, optionally, the seat frame further includes a support ring 19, the seat frame further includes a seat back cross tube 18, two ends of the seat back cross tube 18 are respectively connected with two rear ends of the side sheet metal 11, and the support ring 19 is sleeved at two ends of the seat back cross tube 18 and is abutted to the corresponding side sheet metal 11.

In this embodiment, since the top of the cushion frame is the bowl frame 12, the height of the rear part thereof is low overall, and the cushion frame is of a net structure (lightweight design), so that the rear ends of the side sheet metal 11 are connected through the cushion rear transverse tube 18, so as to ensure the structural strength of the whole cushion frame. Through establishing support ring 19 at the both ends cover of horizontal pipe 18 behind the cushion, and support ring 19 butt lateral part panel beating 11, so, horizontal pipe 18 behind the cushion, lateral part panel beating 11 and support ring 19 both can constitute a triangle-shaped structure that is on a parallel with the XZ face, can also constitute a triangle-shaped structure that is on a parallel with the YZ face (the aforesaid diagonal bracing piece, the frame base and the frame side of back frame 21 constitute a triangle-shaped structure that is on a parallel with the YZ face), and then can the horizontal mode and the longitudinal mode of cushion skeleton simultaneously, further increase the mode of whole chair.

Under the analysis of multiple modal experiments, the length of the support ring 19 on the shaft is preferably 3mm, and meanwhile, the diameter of the inclined support rod is preferably 6mm, so that the mode of the whole chair can be increased by at least 1.4HZ, the mode of the whole chair can be further increased to be more than 19HZ, the mode frequency of the whole chair is greatly different from that of the whole-car suspension frame by 15-17HZ, and the resonance risk is avoided.

Alternatively, the thickness of the seat cushion rear cross tube 18 is 2mm.

In this embodiment, the thickness of the rear transverse tube 18 is 2mm, which is 0.5mm thicker than the conventional one, which is beneficial to increasing the stability of the whole chair, and the center of gravity of the whole chair can be lowered slightly, which is beneficial to improving the mode of the whole chair.

Referring to fig. 1, optionally, the backrest frame 21 includes a side tube structure 211, a bottom transverse tube structure 212, and a backrest upper transverse tube 213, wherein two transverse ends of the bottom transverse tube structure 212 are respectively connected with corresponding bottom ends of the side tube structure 211, two transverse ends of the backrest upper transverse tube 213 are respectively bent downward and connected with corresponding top ends of the side tube structure 211, one end of the diagonal brace is connected with the side tube structure 211, and the other end of the diagonal brace 24 is connected with the bottom transverse tube structure 212.

In this embodiment, two side tube structures 211, a bottom transverse tube structure 212 and a backrest upper transverse tube 213 form a backrest frame 21 of the backrest frame, wherein two ends of the backrest upper transverse tube 213 are bent and then are inserted into the corresponding side tube structures 211, and the backrest upper transverse tube 213 is mainly used for installing a headrest. And, the tube thickness of the upper transverse tube 213 of the backrest can be preferably 1.5mm, which is 0.3mm more than the original tube thickness, thereby improving the stability of the whole chair.

The side tube structure 211 forms a frame side of the backrest frame 21, the bottom transverse tube structure 212 forms a frame bottom of the backrest frame 21, and the backrest upper transverse tube 213 forms a frame top of the backrest frame 21.

Referring to fig. 1, optionally, the backrest frame further includes a back support spring 23 and a back support bar 22, a plurality of the back support bars 22 are disposed in the backrest frame 21 at intervals in a lateral direction, and bottom ends of the back support bars 22 are connected to frame bottoms of the backrest frame 21, the back support springs 23 are respectively connected to the corresponding back support bars 22, a plurality of the back support springs 23 are disposed along a length direction of the back support bars 22, and at least a portion of lateral ends of the back support springs 23 are connected to frame sides of the backrest frame 21.

In this embodiment, the back support springs 23 and the back support rods 22 form a net structure and are mounted inside the backrest frame 21, so that the back of the passenger can be damped by the back support springs 23, and the comfort of the passenger is improved. Preferably, the diameter of the bottommost back support spring 23 may be larger than that of other back support springs 23, for example, the bottommost back support spring 23 has a diameter of 3.5mm and the rest back support springs 23 have a diameter of 2mm, so that the back support springs 23 corresponding to the lumbar region are thicker, which is advantageous for improving the stability of the entire chair.

Referring to fig. 2 and 3, optionally, the seat frame further includes two parallel and spaced lower slide rails 13, the lower slide rails 13 include an outer slide rail 131 and an inner slide rail 132, the outer slide rail 131 is used for being connected with a vehicle body floor, the inner slide rail 132 is slidably connected with the outer slide rail 131, the rear end of the inner slide rail 132 is provided with a rear bracket 14, the seat frame further includes a front connecting rod 15, a rear connecting rod 16 and a driving structure, one end of the front connecting rod 15 is hinged with the corresponding side sheet metal 11, the other end of the front connecting rod 15 is hinged with the corresponding inner slide rail 132, one end of the rear connecting rod 16 is hinged with the corresponding rear bracket 14, the other end of the rear connecting rod 16 is hinged with the corresponding side sheet metal 11, the inner slide rail 132, the front connecting rod 16 and the side sheet metal 11 form a parallelogram structure, the driving structure is arranged on the side sheet metal 11, and the driving structure is used for driving the parallelogram structure to move, and the height of the side sheet metal 11 and the seat frame 12 is adjusted.

In this embodiment, the seat frame may be a frame of a front seat of an automobile, and has a function of moving back and forth, the lower slide rail 13 is fixedly connected with a floor of the automobile body, and may be connected by bolts, the side sheet metal 11 is connected with the corresponding inner slide rail 132, and the front and rear positions of the side sheet metal 11, the bowl frame 12 and the backrest frame are adjusted by moving the inner slide rail 132 relative to the outer slide rail 131, so as to adjust the front and rear positions of the passengers. In addition, the rear bracket 14 is further disposed on the upper side of the rear portion of the inner rail 132, and is used for connecting the rear link 16, the inner rail 132, the front link 15 and the side sheet metal 11 to form a parallelogram structure, so that the movement of the parallelogram structure can be controlled through the driving structure, and finally the heights of the side sheet metal 11, the bowl frame 12 and the backrest frame can be adjusted, so as to adjust the heights of passengers.

Referring to fig. 3 and 4, alternatively, the rear bracket 14 includes a first bracket 141 and a second bracket 142, the first bracket 141 and the second bracket 142 are in a split structure, the first bracket 141 is hinged with the rear link 16, the second bracket 142 is used for being connected with a safety belt, and the first bracket 141 is a sheet metal part.

In this embodiment, one of the two rear brackets 14 near the middle of the vehicle body is designed as a split structure, that is, the rear bracket 14 includes a first bracket 141 and a second bracket 142, the first bracket 141 and the second bracket 142 are respectively formed, less material can be used to reduce the weight of the seat, the first bracket 141 can be an L-shaped plate, the bottom plate of the L-shaped plate is in bolted connection with the inner rail 132, the riser of the L-shaped plate is used to hinge with the rear link 16, the second bracket 142 is used to connect with the seat belt, and the rear bracket 14 near the vehicle door side can be an integral structure. In addition, the thickness of the first bracket 141 may be increased by a little, preferably 3.5mm, which is advantageous for the stability of the entire chair.

Optionally, the two inner sliding rails 132 are connected by a sliding rail connecting rod 17, and the sliding rail connecting rod 17 is made of plastic.

In this embodiment, the left and right inner sliding rails 132 can be connected together through sliding rails, so that the left and right inner sliding rails 132 can slide synchronously, the structural strength of the whole chair is also improved, and the sliding rail connection can be changed from a driven sheet metal material to a plastic material of this embodiment, so that the weight is reduced. Another embodiment of the present utility model also provides an automobile seat comprising a seat frame as described above.

Yet another embodiment of the present utility model provides an automobile comprising an automobile seat as described above.

The terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" and "a second" may explicitly or implicitly include at least one such feature.

Although the present disclosure is disclosed above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the disclosure.

Claims

1. The utility model provides a seat skeleton, includes cushion skeleton and back skeleton, its characterized in that, the seat skeleton still includes bearing diagonal piece (24), the cushion skeleton includes lateral part panel beating (11) and seat basin skeleton (12), two lateral part panel beating (11) connect respectively in the horizontal both ends of seat basin skeleton (12), the bottom of back skeleton respectively with corresponding lateral part panel beating (11) are connected, the back skeleton is pipe frame structure just the back skeleton includes back frame (21), be provided with between the frame base and the frame side of back frame (21) bearing diagonal piece (24).

2. The seat framework according to claim 1, further comprising a support ring (19), wherein the seat framework further comprises a seat back cross tube (18), two ends of the seat back cross tube (18) are respectively connected with rear ends of the two side sheet metal plates (11), and the support ring (19) is sleeved at two ends of the seat back cross tube (18) and is abutted to the corresponding side sheet metal plates (11).

3. The seat frame according to claim 2, characterized in that the tube thickness of the cushion rear cross tube (18) is 2mm.

4. The seat frame according to claim 1, wherein the backrest frame (21) comprises a side pipe structure (211), a bottom transverse pipe structure (212) and a backrest upper transverse pipe (213), the two transverse ends of the bottom transverse pipe structure (212) are respectively connected with the bottom ends of the corresponding side pipe structure (211), the two transverse ends of the backrest upper transverse pipe (213) are respectively bent downwards and connected with the top ends of the corresponding side pipe structure (211), wherein one end of the inclined support (24) is connected with the side pipe structure (211), and the other end of the inclined support (24) is connected with the bottom transverse pipe structure (212); and/or the tube thickness of the backrest upper transverse tube (213) is 1.5mm.

5. The seat frame according to claim 1, characterized in that the back frame further comprises back support springs (23) and back support rods (22), a plurality of the back support rods (22) are arranged in the back frame (21) at intervals in the lateral direction, the bottom ends of the back support rods (22) are connected with the frame bottom edges of the back frame (21), the back support springs (23) are respectively connected with the corresponding back support rods (22), a plurality of the back support springs (23) are arranged in the length direction of the back support rods (22), and at least part of the lateral ends of the back support springs (23) are connected with the frame side edges of the back frame (21); and/or the diameter of the bottommost back support spring (23) is 3.5mm, and the diameter of the rest back support springs (23) is 2mm.

6. The seat frame according to claim 1, characterized in that the seat frame further comprises two parallel and spaced lower slide rails (13), the lower slide rails (13) comprise an outer slide rail (131) and an inner slide rail (132), the outer slide rail (131) is connected with a vehicle body floor, the inner slide rail (132) is slidably connected with the outer slide rail (131), the rear end of the inner slide rail (132) is provided with a rear bracket (14), the seat frame further comprises a front connecting rod (15), a rear connecting rod (16) and a driving structure, one end of the front connecting rod (15) is hinged with the corresponding side sheet metal structure (11), the other end of the front connecting rod (15) is hinged with the corresponding rear bracket (14), the other end of the rear connecting rod (16) is hinged with the corresponding side sheet metal structure (11), the inner slide rail (132), the front connecting rod (15), the rear connecting rod (16) and the side sheet metal structure (11) are arranged on the driving structure in a parallelogram shape, and the driving structure is used for adjusting the side portion (11) to move.

7. The seat frame according to claim 6, wherein the rear bracket (14) includes a first bracket (141) and a second bracket (142), the first bracket (141) and the second bracket (142) are of a split structure, the first bracket (141) is hinged with the rear link (16), the second bracket (142) is used for connecting with a seat belt, and the first bracket (141) is a sheet metal part; and/or the plate thickness of the first bracket (141) is 3.5mm.

8. The seat frame according to claim 6, wherein the two inner slide rails (132) are connected by a slide rail connecting rod (17), and the slide rail connecting rod (17) is made of plastic material.

9. An automotive seat comprising a seat frame as claimed in any one of claims 1 to 8.

10. An automobile comprising the automobile seat according to claim 9.