CN211107082U - Rear seat lightweight structure - Google Patents
Rear seat lightweight structure Download PDFInfo
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- CN211107082U CN211107082U CN201922170977.9U CN201922170977U CN211107082U CN 211107082 U CN211107082 U CN 211107082U CN 201922170977 U CN201922170977 U CN 201922170977U CN 211107082 U CN211107082 U CN 211107082U
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- frame
- serpentine spring
- serpentine
- seat
- back frame
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Abstract
The utility model discloses a back row seat lightweight structure, including seatpad frame and back frame, the bottom of seatpad frame is provided with the fixing base, inserts first serpentine spring and second serpentine spring respectively in seatpad frame and back frame and welds again, when serpentine spring receives the pressure extension, seatpad frame and back frame can block serpentine spring's both ends, change the extension force that traditional welding seam department received into seat frame and back frame to serpentine spring's pressure, the atress of serpentine spring and seatpad frame and back frame welding department has significantly reduced, avoid the fracture, the intensity performance of reinforcing seat; set up a plurality of welding grooves on seatpad frame and back frame, not only make things convenient for the welding to serpentine spring, also can reduce the weight of seatpad frame and back frame to a certain extent to reduce the focus of car, reduce the oil consumption of car.
Description
Technical Field
The utility model relates to a car seat technical field especially relates to a back row seat lightweight structure.
Background
The car seat is the essential accessory in the car, comprises seat skeleton and foaming seatpad, and the seat skeleton is used for guaranteeing the support intensity of seat, and the foaming seatpad is used for improving the travelling comfort of taking, and present seat skeleton comprises steel pipe frame and serpentine spring, has following shortcoming:
1. The automobile is a vehicle used for a long time, when the automobile is manufactured, the gravity center of the automobile needs to be reduced to enhance stability, and the gravity center of the automobile needs to be close to an automobile chassis, so that the weight of the automobile seat needs to be reduced as much as possible, the gravity center of the automobile can be reduced, the stability of the automobile can be improved, the oil consumption of the automobile can be reduced, the strength of the existing steel pipe frame is sufficient, but the weight is larger, the design concept of reducing the gravity center of the automobile is not very consistent, and the whole weight of the steel pipe frame needs to be;
2. When the passenger sits on the seat, serpentine spring can be pushed down, serpentine spring stretches, and current serpentine spring is the welding on steel tube frame's surface, when serpentine spring stretches, serpentine spring directly receives the tensile force with steel tube frame's splice, when being great to welding insecure or serpentine spring tensile force, serpentine spring directly receives the power of tearing the direction with steel tube frame's welding seam department, the fracture appears easily, make the seat damage, consequently, need optimize the intensity in order to improve the seat to steel tube frame and serpentine spring's junction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a back row seat lightweight structure to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a rear-row seat lightweight structure comprises a seat cushion frame and a backrest frame, wherein a fixed seat is arranged at the bottom of the seat cushion frame, a plurality of first serpentine springs are arranged on the seat cushion frame side by side from left to right, first through holes are formed in the front end and the rear end of the seat cushion frame in a matched mode, the front end and the rear end of the seat cushion frame are provided with first serpentine springs, the two ends of each first serpentine spring are inserted into the front end and the rear end of the seat cushion frame through the first through holes, the two ends of each first serpentine spring are welded to the front end and the rear end of the seat cushion frame respectively, and a plurality of first welding grooves are formed in the;
The utility model discloses a backrest frame, including backrest frame, support bar and back frame, be provided with a plurality of second serpentine spring about the back frame, support bar and back frame about both ends, the second through-hole has all been seted up to cooperation second serpentine spring about both ends and the support bar of back frame, both ends and support bar department about the back frame are inserted by second through-hole department in the both ends of second serpentine spring, and the both ends of second serpentine spring weld respectively on both ends and the support bar about back frame, a plurality of second welding groove has been seted up respectively to both ends cooperation second serpentine spring about back frame.
Furthermore, the cross section of the supporting bar is concave.
Further, the inboard of support bar is provided with the installation piece, and the articulated supporter that is provided with on the installation piece.
Furthermore, the fixed seat comprises a vertical pipe and a horizontal pipe which are arranged at two sides of the seat cushion frame, the vertical pipe is supported at the bottom of the seat cushion frame, a connecting plate is further arranged at the bottom of the seat cushion frame, clamping blocks are arranged at two ends of the connecting plate, the two clamping blocks are respectively clamped in the vertical pipes at the two sides, a sliding groove for the connecting plate to move up and down is formed in the inner side of the vertical pipe, and a spring tending to force the connecting plate to move up is arranged in the vertical pipe; the bottom of the first serpentine spring is welded with an ejector rod, the ejector rod penetrates through the connecting plate, and a pressing block and a supporting block are arranged on the upper side and the lower side of the connecting plate on the ejector rod respectively.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses insert first serpentine spring and second serpentine spring respectively in seatpad frame and back frame and weld again, when serpentine spring receives the pressure extension, seatpad frame and back frame can block serpentine spring's both ends, change the tensile force that traditional welding seam department received into seat frame and back frame to serpentine spring's pressure, greatly reduced serpentine spring and seatpad frame and back frame welding department's atress, avoid the fracture, strengthen the intensity performance of seat; set up a plurality of welding grooves on seatpad frame and back frame, not only make things convenient for the welding to serpentine spring, also can reduce the weight of seatpad frame and back frame to a certain extent to reduce the focus of car, reduce the oil consumption of car.
Drawings
FIG. 1 is a welding view of a conventional serpentine spring to a seat frame;
Fig. 2 is a perspective view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a seat cushion frame according to an embodiment of the present invention;
Fig. 4 is a cross-sectional view of the backrest frame according to the embodiment of the present invention;
Fig. 5 is a sectional view of the fixing base according to the embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the welding mode of the traditional serpentine spring and the seat frame is poor in stability, and when the serpentine spring is stressed and stretched, the welded part is directly stressed by stretching force and is easy to crack;
As shown in fig. 2-5, the lightweight structure of a rear seat in this embodiment includes a seat cushion frame 1 and a backrest frame 2, a fixing seat 3 is disposed at the bottom of the seat cushion frame 1, a plurality of first serpentine springs 11 are disposed side by side on the seat cushion frame 1 from left to right, first through holes 1a are disposed at front and rear ends of the seat cushion frame 1 in cooperation with the first serpentine springs 11, two ends of the first serpentine springs 11 are inserted into front and rear ends of the seat cushion frame 1 from the first through holes 1a, two ends of the first serpentine springs 11 are respectively welded at front and rear ends of the seat cushion frame 1, and a plurality of first welding grooves 1b are disposed at front and rear ends of the seat cushion frame 1 in cooperation with the first serpentine springs 11;
The two ends of the first serpentine spring 11 are welded on the seat cushion frame 1, the seat frame separates the spring body of the first serpentine spring 11 from the fixed ends of the two ends, when the spring body is stressed and stretched, the traditional connection mode is that the welded part receives stretching force and is easy to crack, while the two ends of the first serpentine spring 11 apply pressure to the seat cushion frame 1, the welded part only plays a role in fixing, and the stress is small;
Two supporting bars 4 are vertically arranged in the backrest frame 2, a plurality of second serpentine springs 21 are arranged between the supporting bars 4 and the left end and the right end of the backrest frame 2 side by side up and down, the left end and the right end of the backrest frame 2 and the supporting bars 4 are matched with the second serpentine springs 21 to be provided with second through holes 2a, two ends of each second serpentine spring 21 are inserted into the left end and the right end of the backrest frame 2 and the supporting bars 4 from the second through holes 2a, two ends of each second serpentine spring 21 are respectively welded on the left end and the right end of the backrest frame 2 and the supporting bars 4, and the left end and the right end of the backrest frame 2 are matched with the second serpentine springs 21 to be provided with a plurality of second welding;
The two ends of the second serpentine spring 21 are welded on the backrest frame 2 and the supporting bars 4, the backrest frame 2 and the supporting bars 4 separate the spring body of the second serpentine spring 21 from the fixed ends at the two ends, when the spring body is stressed and stretched, the traditional connection mode is that the welding position receives stretching force and is easy to crack, while the two ends of the second serpentine spring 21 exert pressure on the backrest frame 2 and the supporting bars 4, the welding position only plays a role in fixing, and the stress is small;
Preferably, the cross section of the support bar 4 is concave, so that the overall weight of the seat can be reduced, and the second serpentine spring 21 can be conveniently welded;
Preferably, the inner side of the supporting bar 4 is provided with a mounting piece 41, and the mounting piece 41 is hinged with a storage rack;
Preferably, the fixed seat 3 comprises a vertical pipe 31 and a horizontal pipe 32 which are arranged at two sides of the cushion frame 1, the vertical pipe 31 is supported at the bottom of the cushion frame 1, the horizontal pipe 32 is arranged at the bottom of the vertical pipe 31, and the horizontal pipe 32 is used for being fixedly installed with the automobile;
The bottom of the seat cushion frame 1 is further provided with a connecting plate 33, two ends of the connecting plate 33 are provided with clamping blocks 331, the two clamping blocks 331 are respectively clamped in the stand pipes 31 at two sides, so that the connecting plate 33 is clamped between the two stand pipes 31, the inner sides of the stand pipes 31 are provided with sliding grooves for the connecting plate 33 to move up and down, so that the connecting plate 33 can move up and down between the two stand pipes 31, and the stand pipes 31 are provided with springs 311 tending to force the connecting plate 33 to move up; an ejector rod 111 is welded at the bottom of the first serpentine spring 11, the ejector rod 111 penetrates through the connecting plate 33, a pressing block 1111 and a support block 1112 are respectively arranged on the ejector rod 111 on the upper side and the lower side of the connecting plate 33, the pressing block 1111 is pressed on the connecting plate 33, and the support block 1112 is arranged on the lower side of the connecting plate 33;
When the first serpentine spring 11 is forced to bend downwards, the push rod 111 moves downwards, the pressing block 1111 presses the connecting plate 33 downwards, the reaction force of the spring 311 on the connecting plate 33 is transmitted to the push rod 111, namely, the pressure applied to the first serpentine spring 11 can be dispersed to the fixed seat 3 through the connecting plate 33 and the spring 311, so that the upper limit of the bearing pressure of the first serpentine spring 11 is improved, and the strength performance of the seat is improved; when the connecting plate 33 moves downwards to contact with the supporting blocks 1112 of other ejector rods 111, the connecting plate 33 can disperse the pressure to the other ejector rods 111, so that the pressure is transmitted to other first serpentine springs 11 to be stressed together, and the strength performance of the seat can be further improved; when the connecting plate 33 moves downwards to the bottom of the sliding chute, the connecting plate 33 is limited to continue moving downwards, and the first serpentine spring 11 is prevented from being bent too much and damaged.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. The utility model provides a back row seat lightweight structure, includes seatpad frame and back frame, the bottom of seatpad frame is provided with fixing base, its characterized in that: the seat cushion frame is provided with a plurality of first serpentine springs in parallel at the left and right, the front end and the rear end of the seat cushion frame are provided with first through holes in a matching manner with the first serpentine springs, the two ends of the first serpentine springs are inserted into the front end and the rear end of the seat cushion frame from the first through holes, the two ends of the first serpentine springs are respectively welded at the front end and the rear end of the seat cushion frame, and the front end and the rear end of the seat cushion frame are provided with a plurality of first welding grooves in a matching manner with the first serpentine springs;
The utility model discloses a backrest frame, including backrest frame, support bar and back frame, be provided with a plurality of second serpentine spring about the back frame, support bar and back frame about both ends, the second through-hole has all been seted up to cooperation second serpentine spring about both ends and the support bar of back frame, both ends and support bar department about the back frame are inserted by second through-hole department in the both ends of second serpentine spring, and the both ends of second serpentine spring weld respectively on both ends and the support bar about back frame, a plurality of second welding groove has been seted up respectively to both ends cooperation second serpentine spring about back frame.
2. The rear seat light-weight structure according to claim 1, characterized in that: the cross section of the supporting bar is concave.
3. The rear seat light-weight structure according to claim 2, characterized in that: the inboard of support bar is provided with the installation piece, and the articulated supporter that is provided with on the installation piece.
4. The rear seat light-weight structure according to claim 1, characterized in that: the fixing seat comprises a vertical pipe and a horizontal pipe which are arranged on two sides of the seat cushion frame, the vertical pipe is supported at the bottom of the seat cushion frame, a connecting plate is further arranged at the bottom of the seat cushion frame, clamping blocks are arranged at two ends of the connecting plate and are respectively clamped in the vertical pipes on the two sides, a sliding groove for the connecting plate to move up and down is formed in the inner side of each vertical pipe, and a spring tending to force the connecting plate to move up is arranged in each vertical pipe; the bottom of the first serpentine spring is welded with an ejector rod, the ejector rod penetrates through the connecting plate, and a pressing block and a supporting block are arranged on the upper side and the lower side of the connecting plate on the ejector rod respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170977.9U CN211107082U (en) | 2019-12-06 | 2019-12-06 | Rear seat lightweight structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922170977.9U CN211107082U (en) | 2019-12-06 | 2019-12-06 | Rear seat lightweight structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211107082U true CN211107082U (en) | 2020-07-28 |
Family
ID=71710937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922170977.9U Active CN211107082U (en) | 2019-12-06 | 2019-12-06 | Rear seat lightweight structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211107082U (en) |
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2019
- 2019-12-06 CN CN201922170977.9U patent/CN211107082U/en active Active
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