CN202528885U - Plastic seat basin - Google Patents
Plastic seat basin Download PDFInfo
- Publication number
- CN202528885U CN202528885U CN2012201699931U CN201220169993U CN202528885U CN 202528885 U CN202528885 U CN 202528885U CN 2012201699931 U CN2012201699931 U CN 2012201699931U CN 201220169993 U CN201220169993 U CN 201220169993U CN 202528885 U CN202528885 U CN 202528885U
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- CN
- China
- Prior art keywords
- seat basin
- basin body
- plastic
- plastic seat
- support portion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a plastic seat basin, which comprises a seat basin body, wherein the seat basin body is fixed on a chair framework; and at least three concave-convex structures passing through the seat basin body longitudinally are formed by the seat basin body. Due to the adoption of the plastic seat basin, the structure is optimized on the basis of not reducing the functions of the conventional plastic seat basin, the quantity of reinforcing ribs is reduced, the wall thickness of the seat basin is reduced, the entire seat basin is lighter, the cost of the seat basin is lowered, six original support parts are reduced to four, and the cost of the chair framework is lowered simultaneously.
Description
Technical field
The utility model relates to a kind of seat component, refers to a kind of plastic seat basin especially.
Background technology
Bus seat plastic seat basin in the market is in order to guarantee enough intensity; The wall thickness design that tends to the seat basin must be thicker; Such design has caused the weight of whole seat basin heavier, and a seat basin need amount to 6 strong points and support when being installed on the cushion frame through the 3 row support portions that are formed at a basin bottom part; And need 3 crossbeams to cooperate with it on the cushion frame, so just improved the weight and the manufacturing cost of cushion frame.
Summary of the invention
The purpose of the utility model is to overcome the defective of prior art, and a kind of plastic seat basin is provided, on the basis of not reducing existing plastic seat basin function; Carry out structure optimization, reduced the quantity of reinforced rib, reduce the wall thickness of a basin; Make whole seat basin lighter, reduced the cost of seat basin, make its original 6 support portions in addition in addition; Be reduced to 4, reduced the cost that makes cushion frame simultaneously.
The technical scheme that realizes above-mentioned purpose is:
A kind of plastic seat basin of the utility model comprises a basin body, and said seat basin body-fixed is on a cushion frame, and said seat basin body forms at least three concaveconvex structures that longitudinally connect said seat basin body.
The width of above-mentioned concaveconvex structure and the interval width of adjacent concaveconvex structure all are 20mm to 80mm.
The bottom of above-mentioned seat basin body is along laterally forming a plurality of convex closures.
Above-mentioned convex closure offers an aperture respectively, owing to the employing of aperture, can alleviate the weight of plastic seat basin, reduces materials, cost-cutting; Can also play the effect of exhaust, when the passenger sat on the seat, the air that is extruded out in the foaming can be discharged in time, avoided having influence on the comfort of taking.
Form a plurality of locating dowel pins on the front cross rail of above-mentioned cushion frame; One first support portion and one second support portion are formed on the bottom of said seat basin body; Said first support portion forms and the cooresponding buckle mounting hole of said alignment pin position; Said second support portion forms a spacing preiection that cooperates with an after cross member of said cushion frame respectively; Said seat basin body fixes with said locating dowel pin through the buckle that fixes in the said buckle mounting hole and is connected.
The front end of above-mentioned seat basin body forms an inclination alpha, and the angular range of said inclination alpha is that 10 degree are to 20 degree.
Form a draw-in groove respectively around the above-mentioned seat basin body, one side cover seam is fixed in a card article and is fastened in the said draw-in groove through said card article.
Above-mentioned seat basin body adopts thermoplastic material one-body molded.
The utility model has been owing to adopted above technical scheme, makes it have following beneficial effect to be:
Connect vertical bending strength of the seat basin body employing of concaveconvex structure longitudinally raising plastic seat basin, reduced the loading of expanded material simultaneously, thereby reduced the cost of material; Increase friction coefficient in addition, having made foaming be not easy present basin surface and moving, reduced the noise that rubs and produced when moving.Article at least three, the interval width of the width of concaveconvex structure and adjacent concaveconvex structure all is the requirement that 20mm to 80mm has guaranteed vertical bending strength of plastic seat basin longitudinally.Inclination alpha not only can play certain anti-dive function, protection passenger's safety, and use the seat of this basin to have better comfort.Convex closure plays the effect of stress buffer, has strengthened the horizontal intensity of plastic seat basin.Avoid the stressed back of plastic seat basin lateral deformation and fracture.Aperture on the convex closure has further alleviated the weight of seat basin, has reduced cost.The face cover fixed form of draw-in groove and card article makes the face cover more firm with being connected of seat basin, face cover difficult drop-off.Seat basin and cushion frame adopt the connection mode that fixes, and make the seat basin more simple fast with the Assembly &Disassembly of cushion frame, need not extra instrument.Reduce the support portion, thereby reduced supporting traverse required in the cushion frame, practiced thrift the cost of cushion frame.
Description of drawings
Fig. 1 is the seat basin body and the cushion frame mounting structure scheme drawing of a kind of plastic seat basin of the utility model;
Fig. 2 is the Facad structure scheme drawing of a kind of plastic seat basin of the utility model;
Fig. 3 is the reverse side structural representation of a kind of plastic seat basin of the utility model;
Fig. 4 is the cutaway view of the longitudinal cross-section of a kind of plastic seat basin of the utility model;
Bottom surface structural representation when Fig. 5 is configuration draw-in groove and the card article of a kind of plastic seat basin of the utility model;
Fig. 6 is the cutaway view in the E-E cross section of Fig. 5;
Fig. 7 is the card article and seat basin connecting portion partial enlarged drawing of Fig. 6;
Fig. 8 is the buckle and the locating dowel pin connection structure scheme drawing of a kind of plastic seat basin of the utility model;
Fig. 9 is second support portion and the cushion frame after cross member fit structure scheme drawing of a kind of plastic seat basin of the utility model;
Figure 10 is the cross section structure contrast scheme drawing of existing seat basin surface with the utility model seat basin surface.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described further.
See also Fig. 1, Fig. 2; A kind of plastic seat basin of the utility model; Comprise a basin body 1, seat basin body 1 is fixed on the cushion frame 2, and seat basin body 1 forms at least three concaveconvex structures 11 that longitudinally connect seat basin body 1; The interval width of the width of concaveconvex structure 11 and adjacent concaveconvex structure 11 is 20mm to 80mm all, has guaranteed the requirement of vertical bending strength of seat basin body 1.Seat basin body 1 adopts thermoplastic material one-body molded.
The structure of this similar and reinforced rib has improved the vertical bending strength of seat basin body 1.
Improve bending strength; Will improve module of anti-bending section; The computing formula of module of anti-bending section: W=bh^2/6 (b represents section width, and h represents depth of section) can find out from formula, under the situation that does not change plastic seat basin section width; Improve its depth of section, just can improve the bending strength of plastic seat basin greatly.
And the cross section of the seat basin body 1 of the utility model; Be actually the sectional area of two sidewalls that increased concaveconvex structure 11; The bending strength that only need calculate these two cross sections multiply by the number of concaveconvex structure 11, and how many vertically bending strengths the seat basin body 1 that just can calculate the utility model has increased than existing plastic seat basin.And because the utility model has adopted concaveconvex structure 11 to make the section width of seat basin body 1 of the utility model; Obviously greater than the section width of no concave-convex structure 11, thus the plastic seat basin of the utility model longitudinally bending strength be far longer than the plastic seat basin of existing no concave-convex structure 11.And the sidewall height and the bending strength of concaveconvex structure 11 are proportional, and the sidewall height of concaveconvex structure 11 is big more, and its bending strength is also just big more, and this scale can be adjusted and change according to actual needs, satisfies various demands.
In addition, see also Fig. 6, Figure 10, existing seat basin 1 ' its surperficial cross section is a straight line; And the position of the attic base body 1 respective dash-dot lines c of the utility model is the seat basin surface location when not adopting bulge-structure; And long and short dash line d is the surface location after the convexity, originally needs long and short dash line c that expanded material 5 fills and the partial volume between the long and short dash line d because the employing of concaveconvex structure 11 has occupied, and has so just reduced the loading of expanded material 5; Reduced the cost of expanded material 5; Simultaneously because the concaveconvex structure 11 of seat basin body 1 after expanded material 5 is installed on basin body 1 surface, has increased friction coefficient; Make expanded material 5 be not easy present basin body 1 surface and move, reduced the noise that rubs and produced when moving.
See also Fig. 3; The bottom of seat basin body 1 is along laterally forming a plurality of convex closures 12; The also similar structure with reinforced rib of this structure can play the effect of stress buffer, and principle increases basically identical with bending strength longitudinally; So also just strengthened the horizontal intensity of seat basin body 1, avoided a basin body 1 stressed back lateral deformation and fracture.
Convex closure 12 offers an aperture respectively, owing to the employing of aperture, can alleviate the weight of plastic seat basin, reduces materials, cost-cutting; Can also play the effect of exhaust, when the passenger sat on the seat, the air that is extruded out in the foaming can be discharged in time, avoided having influence on the comfort of taking, and had further alleviated the weight of seat basin body 1, had reduced cost.
And because the employing of concaveconvex structure 11 and convex closure 12; Strengthened the intensity of the vertical and horizontal of seat basin body 1 significantly; Therefore the wall thickness of the existing plastic seat basin of wall ratio of the seat basin body 1 of the utility model has reduced 10%, has alleviated the weight of seat basin body 1 and has reduced the cost of seat basin body 1.Simultaneously, can reduce the quantity of original reinforced rib, further alleviate the weight of plastic seat basin, reduce cost through the seat basin body 1 after the structure optimization.
See also Fig. 1, Fig. 3, form a plurality of locating dowel pins 21 on the front cross rail 23 of cushion frame 2; One first support portion 17 and one second support portion 18 are formed on the bottom of seat basin body 1; First support portion 17 forms and the cooresponding buckle mounting hole 15 in locating dowel pin 21 positions; Second support portion 18 forms a spacing preiection 181 that cooperates with an after cross member 22 of cushion frame 2 respectively; Seat basin body 1 fixes with locating dowel pin 21 through the buckle 16 that fixes in the buckle mounting hole 15 and is connected; Seat basin body 1 adopts the connection mode that fixes with cushion frame 2; Make seat basin body 1 more simple fast, need not extra instrument with the Assembly &Disassembly of cushion frame 2.First support portion 17 and one second support portion 18 respectively comprise one or a plurality of strong point.
And guaranteeing to have removed the support portion, middle part in original plastic seat basin 3 row support portions on seat basin body 1 intensity based, and reduce support portion quantity, thereby reduced required supporting traverse in the cushion frame 2, practiced thrift the cost of cushion frame 2.
See also Fig. 4, the front end of seat basin body 1 forms an inclination alpha, and the angular range of inclination alpha is that 10 degree are to 20 degree.
The seat of general passenger vehicle will have the comfort level that anti-dive function will certainly be given up a part, and the utility model has been considered this point, and according to the recommendation 40-50 degree of human engineering figure and anti-dive angle; Through analyzing; Combine this two-part conflict, and drawn the dip plane of anterior this angle of 10-20 degree, not only can play certain anti-dive function; Protection passenger's safety, and make the loss of comfort drop to minimum.
See also Fig. 5, Fig. 6, Fig. 7, form a draw-in groove 14 respectively around the seat basin body 1, face cover 3 seams are fixed in a card article 4 and are fastened in the draw-in groove 14 through card article 4.The fixed form of 4 covers 3 of draw-in groove 14 and card article makes face cover 3 more firm with being connected of seat basin body 1, and face overlaps 3 difficult drop-offs.
See also Fig. 8,9; When seat basin body 1 is installed to cushion frame 2; At first two plastic buckles 16 are sticked in two buckle mounting holes 15 on the basin body 1, the spacing preiection 181 with second support portion withstands on the after cross member 22 of cushion frame 2 then, makes basin body 1 Primary Location; Then with the center of two locating dowel pins 21 on the front cross rail 23 of the hole centrally aligned cushion frame 2 of two buckles 16; Again seat basin body 1 is pushed away downwards, make buckle 16 inner and locating dowel pin 21 fixings, accomplish the installation of seat basin body 1.
More than combine accompanying drawing embodiment that the utility model is specified, those skilled in the art can make the many variations example to the utility model according to above-mentioned explanation.Thereby some details among the embodiment should not constitute the qualification to the utility model, and the scope that the utility model will define with appended claims is as the protection domain of the utility model.
Claims (8)
1. a plastic seat basin comprises a basin body, and said seat basin body-fixed is characterized in that on a cushion frame said seat basin body forms at least three concaveconvex structures that longitudinally connect said seat basin body.
2. plastic seat basin according to claim 1 is characterized in that, the width of said concaveconvex structure and the interval width of adjacent concaveconvex structure all are 20mm to 80mm.
3. plastic seat basin according to claim 2 is characterized in that, the bottom of said seat basin body is along laterally forming a plurality of convex closures.
4. plastic seat basin according to claim 3 is characterized in that said convex closure offers an aperture respectively.
5. according to each described plastic seat basin of claim 1-4, it is characterized in that, form a plurality of locating dowel pins on the front cross rail of said cushion frame; One first support portion and one second support portion are formed on the bottom of said seat basin body; Said first support portion forms and the cooresponding buckle mounting hole of said alignment pin position; Said second support portion forms a spacing preiection that cooperates with an after cross member of said cushion frame respectively; Said seat basin body fixes with said locating dowel pin through the buckle that fixes in the said buckle mounting hole and is connected.
6. plastic seat basin according to claim 5 is characterized in that, the front end of said seat basin body forms an inclination alpha, and the angular range of said inclination alpha is that 10 degree are to 20 degree.
7. plastic seat basin according to claim 6 is characterized in that, forms a draw-in groove respectively around the said seat basin body, and one side cover seam is fixed in a card article and is fastened in the said draw-in groove through said card article.
8. plastic seat basin according to claim 7 is characterized in that, said seat basin body adopts thermoplastic material one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201699931U CN202528885U (en) | 2012-04-19 | 2012-04-19 | Plastic seat basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201699931U CN202528885U (en) | 2012-04-19 | 2012-04-19 | Plastic seat basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528885U true CN202528885U (en) | 2012-11-14 |
Family
ID=47130087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201699931U Expired - Lifetime CN202528885U (en) | 2012-04-19 | 2012-04-19 | Plastic seat basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202528885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980030A (en) * | 2015-01-16 | 2018-05-01 | 巴斯夫欧洲公司 | Seat disc and seat |
-
2012
- 2012-04-19 CN CN2012201699931U patent/CN202528885U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980030A (en) * | 2015-01-16 | 2018-05-01 | 巴斯夫欧洲公司 | Seat disc and seat |
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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: 39 No. 510800 Guangdong city in Guangzhou Province, Xinhua Town Huadu District Red Road Patentee after: Guangzhou Dongfeng Daotuo seat Co.. Address before: 39 No. 510800 Guangdong city in Guangzhou Province, Xinhua Town Huadu District Red Road Patentee before: Guangzhou Dongfeng Johnson Controls Automotive Seating Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121114 |
|
| CX01 | Expiry of patent term |