CN205220454U - Plastics back skeleton of seat - Google Patents
Plastics back skeleton of seat Download PDFInfo
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- CN205220454U CN205220454U CN201521103945.2U CN201521103945U CN205220454U CN 205220454 U CN205220454 U CN 205220454U CN 201521103945 U CN201521103945 U CN 201521103945U CN 205220454 U CN205220454 U CN 205220454U
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- reinforcement
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- nut
- backrest
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Abstract
The utility model provides a plastics back skeleton of seat, include: the back main part, the back main part includes first stand and second stand and connects first stand and the intermediate zone section of second stand, a pair of reinforcement, the reinforcement set up respectively in the inboard of first, the second stand of back main part, still include: connect the nut of back main part and reinforcement, the nut has a tubulose portion and passes through spaced apart main aspects flange and the tip flange of this tubulose portion, wherein, the back main part is moulded plastics around assembly nut and reinforcement together by a polymeric material and is formed, the main aspects flange of nut insert and put in between the stand and reinforcement of back main part, the tip flange is followed the reinforcement deviates from the one end of back main part is stretched out. This plastics back skeleton of seat has the part of reduction and lighter weight to have the streamlined and gratifying outward appearance that has the aesthetic feeling, meanwhile still have sufficient intensity.
Description
Technical field
The utility model relates to motor vehicle seat back field, relates more specifically to a kind of plastics backrest frames of seat.
Background technology
In current automotive market, seat back-rest framework is all generally adopt the metallic materials such as steel, because steel strength is high, forming process and anufacturability are all relatively good, so in the seat back frame design of current main-stream, the material that steel are normally first-selected, thus fully can ensure the safety performance of seat.But the density of steel is large, causes the weight of metallic framework comparatively large, and then increase the weight of seat, the fuel economy of vehicle can be reduced like this, increase carbon emission amount and be unfavorable for environmental protection.
Seat as the vitals of automotive trim, the artistic outward appearance of tool and comfortable sense of touch equally very important.Due to the metal backrest frames adopting steel to make, directly can not expose as part, so back of seat adopts foaming usually, surface covers etc. carry out coated concealed metal backrest frames, reduce the aesthetic appearance of seat back to a certain extent, and the contemporary trend pursuing stream line pattern external form at vehicle interior with passenger is inconsistent, limit the degree of freedom of seat shape design simultaneously.
Therefore, seat, as the main constituent elements of automotive trim, by light-weight design, lowers weight, and makes it have the outward appearance of aesthetic feeling and comfortable sense of touch, become the main development direction of automobile optimal design and selection.
Application number be 201080016574.8 application for a patent for invention disclose one and " comprise the backrest that combines and strengthen the seat back of composite bed ", this seat back comprises the backrest formed by the first polymeric material, and the enhancing composite bed to be formed by the second polymeric material, wherein, first polymeric material of backrest is melt bonded to the second polymeric material strengthening composite bed, thus backrest, bracket and enhancing composite bed are combined, reduce the weight of seat-assembly to a certain extent.But bracket wherein must by installation bracket and the fastener connection penetrating bracket, and in addition, as back of seat, the exposed face of bracket and fastener also must adopt extra cap piece to block.
Therefore, although above-mentioned prior art provides and a kind ofly has compared with light weight and have the seat back of more gratifying outward appearance, but due to the complex parts that wherein must use, make the forming process of this seat back comparatively complicated, and add the pts wt of this seat back, and add cost of parts.
Utility model content
The purpose of this utility model is to provide a kind of plastics backrest frames of seat, thus it is more to solve part needed for seat back of the prior art, complex forming technology, and the defect that cost is higher.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
There is provided a kind of plastics backrest frames of seat, described backrest frames comprises: backrest main body, and described backrest main body comprises the first column and the second column that vertically extend, and connects the centre portion of described first column and the second column; Pair of reinforcing pieces, described reinforcement is arranged at the first column of described backrest main body and the inner side of the second column respectively; Also comprise: the nut connecting described backrest main body and reinforcement, described nut has a tube and by the isolated large end flanges of this tube and little end flanges; Wherein, described backrest main body by the first polymeric material around the nut be assembled together and reinforcement injection molded, between the column that the large end flanges of described nut is folded in described backrest main body and reinforcement, one end that little end flanges deviates from described backrest main body from described reinforcement is stretched out.
In described backrest main body, nut, reinforcement arbitrarily both are to merge at joint and connect.
Described reinforcement comprises the first plate portion and a pair vertical with described first plate portion respectively folding arm that roughly extend along backrest inclination direction, thus forms the sheet material with U-shaped cross-section shape.
First plate portion of described reinforcement has recess and is located at the solid hole on the bottom surface of described recess, the large end flanges stop bit of described nut is in described recess, and described little end flanges is stretched out from described solid hole.
The large end flanges of described nut has closed surface.
The little end flanges of described nut and tube have the passage run through.
Described backrest main body directly forms the appearance exposed by injection moulding.
Described backrest main body also comprises the reinforcing portion formed around tube and the little end flanges injection moulding of described nut by the first polymeric material.
Described backrest main body comprises the reinforced rib formed in the opposition side injection moulding of the column of described backrest main body around described reinforcement further.
Described reinforcement is molded by the second polymeric material being different from described first polymeric material.
A kind of nut with special structure design of backrest frames employing of the present utility model substitutes complex parts of the prior art and connects backrest main body and reinforcement, the plastics backrest frames of this seat is made to have the part of minimizing and lighter weight, and there is stream line pattern and the artistic outward appearance of gratifying tool, meanwhile also have enough intensity so that support passengers fully, therefore hinge structure provides a kind of plastics backrest frames with the seat of remarkable preceence.
Accompanying drawing explanation
Fig. 1 is the integrally-built front view of the plastics backrest frames of seat according to a preferred embodiment of the present utility model;
Fig. 2 is the back view of backrest frames as shown in Figure 1;
Fig. 3 is the exploded view of backrest frames as shown in Figure 1;
Fig. 4 is the structural representation of the nut according to a preferred embodiment of the present utility model;
Fig. 5 is the structural representation of the reinforcement according to a preferred embodiment of the present utility model;
Fig. 6 is the lateral plan of nut and the reinforcement be assembled together;
Fig. 7 is the cutaway view along the line A-A in Fig. 1;
Fig. 8 is the part structure for amplifying schematic diagram along the arrow C in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, provide preferred embodiment of the present utility model, and be described in detail, enablely understand function of the present utility model, feature better.
As shown in Figure 1-Figure 3, be seat plastics backrest frames according to a preferred embodiment of the present utility model.This backrest frames mainly comprises: backrest main body 1, reinforcement 2, and 2 ', and the nut 3 connecting described backrest main body 1 and reinforcement 2,2 '.Wherein, described backrest main body 1 comprises the first column 11 and the second column 12 vertically extended, and connects the centre portion 13 of the first column 11 and the second column 12, for support passengers.Reinforcement 2,2 ' is arranged at the first column 11 of described backrest main body 1 and the inner side of the second column 12 respectively.Nut 3 is different from plain nut of the prior art, and as shown in Figure 4, this nut 3 has a tube 31 and by the isolated large end flanges 32 of this tube 31 and little end flanges 33.Wherein, described backrest main body 1 by the first polymeric material around the nut 3 be assembled together and reinforcement 2,2 ' is injection molded, between the column 11 making the large end flanges 32 of described nut 3 be folded in described backrest main body 1 and reinforcement 2, and between column 12 and reinforcement 2 ', one end that little end flanges 33 deviates from described backrest main body 1 from described reinforcement 2 is stretched out, for connecting adjusting angle mechanism.
By the injection mo(u)lding of this backrest main body 1, above-mentioned backrest main body 1, reinforcement 2 and nut 3 are to merge at joint between the two arbitrarily and connect, owing to usually needing in the process that recliner is hit after this seat to bear larger moment of torsion, the above-mentioned seat plastics backrest frames that the application provides then greatly strengthen the intensity that backrest frames is connected with recliner.
According to a preferred embodiment of the present utility model, as shown in Fig. 5-Fig. 6, because reinforcement 2 and reinforcement 2 ' have symmetrical structure, below for convenience, only emphasis is described reinforcement 2, reinforcement 2 ' then repeats no more, described reinforcement 2 comprises the first plate portion 21 and a pair folding arm 22 vertical with described first plate portion 21 respectively that roughly extend along backrest inclination direction, thus formation has the sheet material of U-shaped cross-section shape (especially see Fig. 5, the latter half of Fig. 6), strengthen overall anti-bending strength and the integral rigidity of this backrest frames.
Preferably, first plate portion 21 of reinforcement 2 has recess 211 and is located at the solid hole 212 on the bottom surface of described recess 211, when nut 3 is assembled on this reinforcement 2, as shown in Figure 6, the large end flanges 32 of nut 3 hold and stop bit in described recess 211, described little end flanges 33 is stretched out from described solid hole 212, makes nut 3 more convenient with the assembling of reinforcement 2.
According to another preferred embodiment of the present utility model, as shown in Figure 7, the large end flanges 32 of described nut 3 has closed surface 321, prevent the first polymeric material from entering in the process of injection moulding in nut 3, more preferably, in order to increase the circumferential Joint strenght between nut 3 and backrest main body 1, also laciniation (scheming not shown) can be increased at large end flanges 32 place of this nut 3.
Preferably, as shown in Figure 7, the little end flanges 33 of this nut 3 and tube 31 have the passage 311 run through, so that connect adjusting angle mechanism.
According to a preferred embodiment more of the present utility model, described backrest main body forms the appearance that can expose by injection mo(u)lding, can directly use as appearance member, save foaming and the surface cover use amount of conventional seat back, there is certain weight and cost advantage, also can obtain larger usage space simultaneously.
As shown in Figure 7, described backrest main body 1 also comprises the reinforcing portion 14 formed around tube 31 and little end flanges 33 injection moulding of described nut 3 by the first polymeric material.
As shown in Figs. 7-8, described backrest main body 1 comprises the reinforced rib 15 formed in the opposition side injection moulding of described backrest main body 1 around described reinforcement 2 further.This reinforced rib 15 in the near zone of nut 3 layout interlaced with each other, with the Joint strenght between further stiffnut 3 and backrest main body 1 and reinforcement 2.
Preferably, described reinforcement 2 is molded by the second polymeric material being different from described first polymeric material.This second polymeric material is the poly-mer that continuous glass fibre is strengthened, and can strengthen its intensity by the number of plies of the arragement direction and ripple fibre that suitably adjust ripple fibre.
According to the above-mentioned seat plastics backrest frames that the utility model provides, its manufacture method is preferably as follows:
S1: heat the second polymeric material to uniform temperature, by mould molding reinforcement 2, make it have the contour shape shown in Fig. 5, namely by the U-shaped cross-section shape that the first plate portion 21 and folding arm 22 are formed, and the recess 211 formed in its first plate portion 21 and solid hole 212; By this shape of cross section, increase the flexing resistance of backrest, improve rigidity, by the setting of recess 211 with solid hole 212, be convenient to the assembling of nut 3 and reinforcement 2.
S2: machine up nut 3, makes it have the contour shape shown in Fig. 4, namely has a tube 31 and by the isolated large end flanges 32 of this tube 31 and little end flanges 33.
S3: nut 3 and reinforcement 2 are assembled together, make the little end flanges 33 of described nut 3 through the solid hole 212 on reinforcement 2, large end flanges 32 is held and the recess 211 of stop bit on described reinforcement 2.
S4: by the described reinforcement 2 assembled, nut 3 puts into another mould together, add the first polymeric material, form backrest main body 1 by injection mo(u)lding, make it have the contour shape of the backrest main body 1 shown in Fig. 3, after shaping, the large end flanges 32 of described nut 3 is folded in described backrest main body 1 and reinforcement 2, between 2 ', namely between the first column 11 and reinforcement 2, between second column 12 and reinforcement 2 ', one end that little end flanges 33 deviates from described backrest main body 1 from described reinforcement 2 is stretched out.
S5: continue to fill the first polymeric material between the large end flanges 32 and little end flanges 33 of nut 3, form other appearance exposed of this backrest main body 1, comprise the reinforcing portion 14 formed around the tube 31 of described nut 3 and little end flanges 33 injection moulding, and around described reinforcement 2,2 ' the reinforced rib 15 formed in the opposition side injection moulding of described column 11,12.
S6: after completing some basic connections, as recliner connection etc., provide the backrest structure that a kind of rear back side can directly be exposed, without any other plastic cladding element.
According to said method, formed at injection moulding first polymeric material in the process of backrest main body 1, outer plastic surface well attractive in appearance can be obtained simultaneously, according to different requirements, can also process outside face, such as can increase dermatoglyph etc., directly as the exposed face of backrest.
According to the utility model, provide a kind of plastics backrest frames of new seat, this plastics backrest frames has lighter weight, and the part reduced, and there is stream line pattern and the artistic outward appearance of gratifying tool, meanwhile also there is enough intensity so that support passengers fully.
Above-described, be only preferred embodiment of the present utility model, and be not used to limit scope of the present utility model, above-described embodiment of the present utility model can also make a variety of changes.Namely every claims according to the utility model application and description are done simple, equivalence change and modify, and all fall into the claims of the utility model patent.The not detailed description of the utility model be routine techniques content.
Claims (10)
1. a plastics backrest frames for seat, described plastics backrest frames comprises:
Backrest main body, described backrest main body comprises the first column and the second column that vertically extend, and connects the centre portion of described first column and the second column;
Pair of reinforcing pieces, described reinforcement is arranged at the first column of described backrest main body and the inner side of the second column respectively;
It is characterized in that, also comprise:
Connect the nut of described backrest main body and reinforcement, described nut has a tube and by the isolated large end flanges of this tube and little end flanges;
Wherein, described backrest main body by the first polymeric material around the nut be assembled together and reinforcement injection molded, between the column that the large end flanges of described nut is folded in described backrest main body and reinforcement, one end that little end flanges deviates from described backrest main body from described reinforcement is stretched out.
2. plastics backrest frames according to claim 1, is characterized in that, in described backrest main body, nut, reinforcement arbitrarily both are to merge at joint and connect.
3. plastics backrest frames according to claim 1, it is characterized in that, described reinforcement comprises the first plate portion and a pair vertical with described first plate portion respectively folding arm that roughly extend along backrest inclination direction, thus forms the sheet material with U-shaped cross-section shape.
4. plastics backrest frames according to claim 3, it is characterized in that, first plate portion of described reinforcement has recess and is located at the solid hole on the bottom surface of described recess, the large end flanges stop bit of described nut is in described recess, and described little end flanges is stretched out from described solid hole.
5. plastics backrest frames according to claim 1, is characterized in that, the large end flanges of described nut has closed surface.
6. plastics backrest frames according to claim 1, is characterized in that, the little end flanges of described nut and tube have the passage run through.
7. plastics backrest frames according to claim 1, is characterized in that, described backrest main body directly forms the appearance exposed by injection moulding.
8. plastics backrest frames according to claim 7, is characterized in that, described backrest main body also comprises the reinforcing portion formed around tube and the little end flanges injection moulding of described nut by the first polymeric material.
9. plastics backrest frames according to claim 8, is characterized in that, described backrest main body comprises the reinforced rib formed in the opposition side injection moulding of the column of described backrest main body around described reinforcement further.
10. plastics backrest frames according to claim 1, is characterized in that, described reinforcement is molded by the second polymeric material being different from described first polymeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103945.2U CN205220454U (en) | 2015-12-25 | 2015-12-25 | Plastics back skeleton of seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521103945.2U CN205220454U (en) | 2015-12-25 | 2015-12-25 | Plastics back skeleton of seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220454U true CN205220454U (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521103945.2U Active CN205220454U (en) | 2015-12-25 | 2015-12-25 | Plastics back skeleton of seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205220454U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688534A (en) * | 2018-03-23 | 2018-10-23 | 开平市春山汽车座椅有限公司 | A kind of automotive seat for being easy to be molded and assemble with no metallic framework main body |
| WO2022012597A1 (en) * | 2020-07-17 | 2022-01-20 | 际诺思股份公司 | Bed frame |
| WO2022110515A1 (en) * | 2020-11-30 | 2022-06-02 | 上海晋飞碳纤科技股份有限公司 | Connecting structure of a composite material chairback and fabrication method therefor |
-
2015
- 2015-12-25 CN CN201521103945.2U patent/CN205220454U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688534A (en) * | 2018-03-23 | 2018-10-23 | 开平市春山汽车座椅有限公司 | A kind of automotive seat for being easy to be molded and assemble with no metallic framework main body |
| CN108688534B (en) * | 2018-03-23 | 2024-01-30 | 开平市春山汽车座椅有限公司 | Easy-to-mold and assemble automobile seat with metal-free framework main body |
| WO2022012597A1 (en) * | 2020-07-17 | 2022-01-20 | 际诺思股份公司 | Bed frame |
| WO2022110515A1 (en) * | 2020-11-30 | 2022-06-02 | 上海晋飞碳纤科技股份有限公司 | Connecting structure of a composite material chairback and fabrication method therefor |
| JP2023509243A (en) * | 2020-11-30 | 2023-03-08 | 上海晋飛▲たん▼繊科技股▲ふん▼有限公司 | Composite material backrest connecting structure and manufacturing method thereof |
| US11737566B2 (en) | 2020-11-30 | 2023-08-29 | Shanghai Cedar Composites Technology Co., Ltd. | Connection structure for composite backrest and a method for making the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Co-patentee after: Saic Motor Corporation Limited Patentee after: Yanfeng Daotuo Ann seat Co. Address before: Kang Road, Pudong New Area Kangqiao Industrial Zone of Shanghai City, No. 669, 201315 Co-patentee before: Saic Motor Corporation Limited Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |