CN210047376U - Lightweight unequal-thickness easy-to-form automobile seat framework backrest side plate - Google Patents
Lightweight unequal-thickness easy-to-form automobile seat framework backrest side plate Download PDFInfo
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- CN210047376U CN210047376U CN201822021674.6U CN201822021674U CN210047376U CN 210047376 U CN210047376 U CN 210047376U CN 201822021674 U CN201822021674 U CN 201822021674U CN 210047376 U CN210047376 U CN 210047376U
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Abstract
The utility model discloses a not equidistance and easy fashioned car seat skeleton back curb plate of lightweight, this back curb plate be including the great angle modulation ware region of the bearing capacity that is located the lower part and the less linking area of the bearing capacity that is located upper portion, linking area and angle modulation ware region weld mutually, angle modulation ware region and linking area adopt the unequal steel sheet of thickness, wherein, angle modulation ware region adopts the thick steel sheet of thickness, linking area adopts the thin steel sheet of thickness, both satisfied car strength requirement also alleviate the weight of part, linking area and angle modulation ware region welding back form through punching press integrated into one piece the back curb plate. The backrest side plate is integrally formed by punching after welding of the steel plates with different thicknesses, so that the requirement on the strength of an automobile is met, and the functions of few parts, few molds and light weight are realized, so that the cost can be reduced.
Description
Technical Field
The utility model relates to a car seat part specifically indicates a not uniform thickness of lightweight and easy fashioned car seat skeleton back curb plate.
Background
The automobile seat frame backrest side plate is an important component of an automobile seat, the existing backrest side plate comprises a main structure steel plate 101 and a reinforced steel plate 102 as shown in figure 1, the main structure steel plate 101 is generally a steel plate with the thickness of 1mm, and in order to ensure the strength requirement of the whole frame, the strength of the main structure steel plate 101 is generally improved by welding the reinforced steel plate 102 in a weak area through argon arc welding. The weak area of the main structure steel plate 101 refers to an area corresponding to a large bearing force of the recliner.
The existing backrest side plate adopts a main structure steel plate and a reinforced steel plate to adopt an argon arc welding structure, and the reinforced steel plate forming die and a welding tool are required to be designed according to the scheme, so that the cost of parts is increased. In addition, the welding matching requirement of the main structure steel plate and the reinforcing steel plate is high, the welding thermal deformation is large, the internal stress of the side plate of the backrest is concentrated, the welding area is embrittled, cracking is easily caused, the quality control difficulty is large, the product strength is reduced, and the risk of seat failure is increased.
The safety, the intellectualization and the light weight of the automobile are the future development trend of the automobile industry, and the automobile body and the part framework are developed towards the light weight and the high strength; the automobile seat is used as an important automobile part, and the high strength and light weight of the automobile seat are important development directions in the future; in future, the light weight of the seat framework of the automobile seat is realized by important ways such as high-strength steel plates, thinning, replacing steel with plastic and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not uniform thickness of lightweight and easy fashioned car seat skeleton back curb plate, this back curb plate adopt not uniform thickness steel sheet welding back whole stamping forming, when satisfying the automobile strength requirement, have also realized few parts ization, few mould ization, lightweight function to can reduce the cost.
The utility model discloses a this purpose is realized through following technical scheme: the utility model provides a not equidistance and easy fashioned car seat skeleton back curb plate of lightweight, its characterized in that: the backrest side plate comprises an angle adjuster area with larger bearing capacity at the lower part and a connecting area with smaller bearing capacity at the upper part, the connecting area is welded with the angle adjuster area, the angle adjuster area and the connecting area are made of steel plates with different thicknesses, the angle adjuster area is made of a thick steel plate with a thicker thickness, the connecting area is made of a thin steel plate with a thinner thickness, the automobile strength requirement is met, the weight of parts is reduced, and the connecting area and the angle adjuster area are welded and then integrally formed through punching to form the backrest side plate.
The utility model discloses in, the connection region adopt laser welding with the angle modulation ware is regional.
The utility model discloses in, the connection region align at lateral surface between them of welding department with angle modulation ware region, the medial surface misplaces mutually, forms thickness difference in the inboard.
The utility model discloses in, the thickness in connection area is 1mm, the regional thickness of angle modulation ware is 2 mm.
The utility model discloses in, the regional welded welding seam mutually of connection and angle modulation ware is an inclined plane, and the height of the peak A point on this inclined plane is HA, and the height of the minimum B point on this inclined plane is HB, and this inclined plane HAs slope contained angle α.
The utility model discloses in, HA is 164 ~ 212mm, and HB is 140mm, and slope contained angle α is 15 ~ 45 degrees
The utility model discloses in, the connection region all adopt the model to be DP980YL high strength steel plate with the angle modulation ware is regional.
The utility model discloses in, the connection region all seted up a plurality of technology through-hole with the angle modulation ware is regional.
The utility model provides a product structure that high strength unequal thick steel plate passes through laser tailor-welding can realize that the seat skeleton satisfies the automobile strength requirement when, has realized few parts ization, few mould ization, lightweight function simultaneously to can reduce the cost.
Compared with the prior art, the utility model discloses have as follows and show the effect:
(1) the utility model discloses a back curb plate adopts the not steel sheet laser tailor-welding and stamping forming technology of thickness that varies, has strengthened back curb plate local strength, and save material when guaranteeing back skeleton intensity reaches seat lightweight and reduce cost's purpose, and integrative stamping forming's back curb plate wholeness and intensity properties all obtain improving.
(2) The utility model adopts laser welding, the welding seam strength is high, the deformation is small, and the product percent of pass is improved; and the welding speed is fast, the welding tool clamp is simple and convenient, and the product quality control main points are few, thereby improving the production efficiency of the product.
(3) The utility model discloses a back curb plate does not have the reinforcing plate, has reduced part quantity and mould quantity, simplifies the production procedure, reduces mould, welding jig's input, reduces the manufacturing cost of enterprise.
(4) The utility model discloses a back curb plate does not have the reinforcing plate, product thickness attenuate, weight reduction to no cooperation of part, the wholeness is good, the back curb plate internal stress that has avoided probably appearing is concentrated, the weld zone embrittlement, easily arouses the condition emergence of fracture.
(5) The utility model discloses a back curb plate manufacturing approach, the process is few, easily shaping, has shortened the manufacturing cycle of product, saves a large amount of manpower and materials, has improved the manufacturing efficiency of product greatly.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a side plate of a backrest in the prior art;
fig. 2 is a schematic structural view of a side plate of the backrest of the present invention;
fig. 3 is a schematic structural view of the backrest side plate of the present invention, showing the shape and position of the laser welding seam;
fig. 4 is an enlarged view of a section a-a of fig. 2, showing the difference in thickness between the connecting region and the recliner region.
In the figure: 101. the main structure steel plate 102, the reinforced steel plate 1, the connection area 2, the angle adjuster area 3 and the welding line.
Detailed Description
As shown in fig. 2 to 4, the lightweight side plate of the backrest of the automobile seat frame, which is not thick enough and is easy to form, includes an angle adjuster region 2 located at the lower part and having a large bearing capacity and a connection region 1 located at the upper part and having a small bearing capacity, wherein the connection region 1 and the angle adjuster region 2 are both provided with a plurality of through holes, the connection region 1 is welded to the angle adjuster region 2, the angle adjuster region 2 and the connection region 1 are made of steel plates having different thicknesses, the angle adjuster region 2 is made of a thick steel plate having a relatively thick thickness, the connection region 1 is made of a thin steel plate having a relatively thin thickness, which not only meets the requirement of the strength of the automobile but also reduces the weight of the part, and the connection region 1 and the angle adjuster region 2 are welded and then integrally formed by.
In this embodiment, the thickness of the connection region 1 is 1mm, the thickness of the angle adjuster region 2 is 2mm, and the connection region 1 and the angle adjuster region 2 are both made of high-strength steel plates with the model number DP980 YL. The connecting area 1 and the angle adjuster area 2 are welded by laser, the outer side surfaces of the connecting area 1 and the angle adjuster area 2 at the welding position are aligned, the inner side surfaces are staggered, and a thickness difference is formed on the inner side.
The welding seam 3 of the connecting area 1 and the angle adjuster area 2 is an inclined plane, the height of the highest point A of the inclined plane is HA, HA is 200mm, the height of the lowest point B of the inclined plane is HB, HB is 140mm, the heights refer to the heights of the point A and the point B from the horizontal plane when the backrest side plate is vertically placed as shown in figure 3, the inclined plane HAs an inclined included angle α, and the inclined included angle α is 40 degrees.
As a transformation of the embodiment, experiments prove that HA can take a value within a range of 164-212 mm, and the corresponding inclined included angle α is 15-45 degrees, and the subsequent integral punching forming is influenced by too large or too small inclined angle, which may cause weld cracking, so that the value is taken within a range of 15-45 degrees in practical use.
The manufacturing method of the lightweight side plate of the backrest of the automobile seat framework, which has different thicknesses and is easy to form comprises the following steps:
(1) blanking: punching two steel plates with different thicknesses according to an expanded diagram of a backrest side plate product, wherein the height, the width and the thickness of one steel plate are 300mm, 225mm and 1mm, and the height, the width and the thickness of the other steel plate are 210mm, 225mm and 2 mm;
(2) laser welding: clamping two steel plates through a welding tool, and performing laser welding on the two steel plates along a set track;
(3) stamping forming: and carrying out integrated punch forming on the welded steel plate, then shaping and flanging to finally form the backrest side plate.
The above embodiments of the present invention are not right the utility model discloses the limited protection scope, the utility model discloses an embodiment is not limited to this, all kinds of basis according to the above-mentioned of the utility model discloses an under the above-mentioned basic technical thought prerequisite of the utility model, right according to ordinary technical knowledge and the conventional means in this field the modification, replacement or the change of other multiple forms that above-mentioned structure made all should fall within the protection scope of the utility model.
Claims (8)
1. The utility model provides a not equidistance and easy fashioned car seat skeleton back curb plate of lightweight, its characterized in that: the backrest side plate comprises an angle adjuster area with larger bearing capacity at the lower part and a connecting area with smaller bearing capacity at the upper part, the connecting area is welded with the angle adjuster area, the angle adjuster area and the connecting area are made of steel plates with different thicknesses, the angle adjuster area is made of a thick steel plate with a thicker thickness, the connecting area is made of a thin steel plate with a thinner thickness, the automobile strength requirement is met, the weight of parts is reduced, and the connecting area and the angle adjuster area are welded and then integrally formed through punching to form the backrest side plate.
2. The lightweight non-uniform thickness easily formable automobile seat back side panel of claim 1, wherein: and the connecting area and the angle adjuster area are welded by laser.
3. The lightweight non-uniform thickness easily formable automobile seat back side panel of claim 1, wherein: the outer sides of the angle adjuster area and the connecting area at the welding position are aligned, the inner sides are staggered, and a thickness difference is formed on the inner sides.
4. The lightweight non-uniform thickness easily formable automobile seat back side panel of claim 1, wherein: the thickness of the connecting area is 1mm, and the thickness of the angle adjuster area is 2 mm.
5. The lightweight non-uniform thickness easy-to-form side panel for backrest of car seat as claimed in claim 1, wherein the welding seam between said connecting region and said angle adjuster region is a slope, the highest point A of said slope HAs a height HA, the lowest point B of said slope HAs a height HB, and said slope HAs an included angle α.
6. The lightweight side plate of the backrest of the seat frame of the automobile, which HAs different thicknesses and is easy to mold, as claimed in claim 5, wherein HA is 164-212 mm, HB is 140mm, and the inclined angle α is 15-45 °.
7. The lightweight non-uniform thickness easily formable automobile seat back side panel of claim 1, wherein: the connecting area and the angle adjuster area are both made of high-strength steel plates with the model number DP980 YL.
8. The lightweight non-uniform thickness easily formable automobile seat back side panel of claim 1, wherein: the connecting area and the angle adjuster area are both provided with a plurality of process through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021674.6U CN210047376U (en) | 2018-12-03 | 2018-12-03 | Lightweight unequal-thickness easy-to-form automobile seat framework backrest side plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822021674.6U CN210047376U (en) | 2018-12-03 | 2018-12-03 | Lightweight unequal-thickness easy-to-form automobile seat framework backrest side plate |
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| CN210047376U true CN210047376U (en) | 2020-02-11 |
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| CN201822021674.6U Active CN210047376U (en) | 2018-12-03 | 2018-12-03 | Lightweight unequal-thickness easy-to-form automobile seat framework backrest side plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606223A (en) * | 2018-12-03 | 2019-04-12 | 广汽零部件有限公司 | A kind of lightweight not uniform thickness and easily molded automobile chair frame leans on dorsal plate and its manufacturing method |
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2018
- 2018-12-03 CN CN201822021674.6U patent/CN210047376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606223A (en) * | 2018-12-03 | 2019-04-12 | 广汽零部件有限公司 | A kind of lightweight not uniform thickness and easily molded automobile chair frame leans on dorsal plate and its manufacturing method |
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