CN103335101A - Thermoplastic elastomer soft and hard combined sealing strip - Google Patents
Thermoplastic elastomer soft and hard combined sealing strip Download PDFInfo
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- CN103335101A CN103335101A CN2013102458880A CN201310245888A CN103335101A CN 103335101 A CN103335101 A CN 103335101A CN 2013102458880 A CN2013102458880 A CN 2013102458880A CN 201310245888 A CN201310245888 A CN 201310245888A CN 103335101 A CN103335101 A CN 103335101A
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Abstract
The invention relates to a thermoplastic elastomer soft and hard combined sealing strip. The thermoplastic elastomer soft and hard combined sealing strip comprises an upper soft sealing part (2) and a lower harder embedded sealing part (1), wherein the upper soft sealing part (2) and the lower harder embedded sealing part (1) are both made of thermoplastic elastomer materials, but the hardness of the upper soft sealing part (2) is smaller than that of the lower harder embedded sealing part (1); the upper soft sealing part (2) comprises a bottom surface (10), a side wall (9), a connecting rib and the side wall (9) and a clamping elastomer (3), a certain angle is formed between the side wall (9) and the bottom surface (10), the connecting rib is connected the bottom surface (10) with the side wall (9), and the clamping elastomer (3) protrudes downwards from the bottom surface (10); and the lower harder embedded sealing part (1) is shaped like an inversed nonstandard Chinese character 'jie'. The thermoplastic elastomer soft and hard combined sealing strip disclosed by the invention is compact in structure, is firm in installation, is not likely to deform can be tighter by more pressing and can be applied to various fields in need of being sealed.
Description
Technical field
The invention belongs to field of sealing technology, be specifically related to a kind of Stamping Steel Ribbon, relate in particular to a kind of inserted Stamping Steel Ribbon, based on the inserted gasket structure of thermoplastic elastomer (TPV).
Background technique
At present, the inserted sealing joint strip that use in market is the entire body soft goods, and producer buys the adhesive tape product from adhesive tape factory by the product terminal, is mounted on the product that needs sealing.Adhesive tape with inlay main body tolerance of size all arranged, wayward, inlay assembling with manual operations again, adhesive tape is inlayed portion's size and is difficult to and inlays the main body assembling; It is little that adhesive tape is inlayed portion's size, comes off easily.Assembling is inlayed in manual operations also can produce adhesive tape contraction, ripple, and efficient is low and Quality Process is wayward, brings inconvenience to production and processing.In general, existing soft adhesive tape, it inlays portion and inlays the main body efficiency of assembling low, and Quality Process is wayward.
Summary of the invention
A kind of thermoplastic elastomer soft or hard combination seal bar of providing at above-mentioned deficiency is provided, it is easy for installation, structure is firm, and be the inserted Stamping Steel Ribbon of soft or hard combination, its structure can prevent the loosening of Stamping Steel Ribbon effectively, and it is firm not yielding and more press tighter that it is installed.Can be applicable to the various fields that need sealing.
In order to solve aforementioned technical problem, reach above-mentioned technique effect, the invention provides following technological scheme:
A kind of thermoplastic elastomer soft or hard combination seal bar comprises that the soft hermetic unit in top, bottom inlay hermetic unit more firmly; The soft hermetic unit in top, bottom are inlayed hermetic unit more firmly and are Thermoplastic Elastic Material Used, but the soft hermetic unit hardness in top is inlayed hermetic unit more firmly less than the bottom; The soft hermetic unit in top comprise the bottom surface, with at an angle sidewall of bottom surface, the clamping elastomer that is connected the connecting tendon of bottom surface and sidewall, protrudes downwards from the bottom surface; The bottom is inlayed hermetic unit more firmly and is non-type " Jie " font, wedge shape is inlayed for what at an angle two branch faces formed in its bottom surface, each branch's face arranges crect ear protruding upward and forms the clamping section, the part that branch's face is positioned at the crect ear outside forms microtia, and the clamping elastomer of two soft hermetic units in crect ear end and top forms concavo-convex cooperating structure.
Preferably, described Thermoplastic Elastic Material Used can be two kinds of different thermoplastic elastomers of hardness, also can be TPV.Known in this field, TPV(Thermoplastic Vulcanizate) be thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomer or thermoplasticity Ethylene Propylene Terpolymer dynamic perduren, be solid cure ethylene propylene diene rubber EPDM microparticulate continuous polypropylene PP mutually in the macromolecular elastomer material of composition.TPV can fast, economical and machine shaping easily, and it can well combine the characteristic of rubber and plastics, obtains the high performance elastomer material of excellent combination property.TPV has wideer hardness range, can satisfy the soft hermetic unit in different top, bottom and inlay the soft or hard of hermetic unit more firmly and cooperate.The hardness that the bottom is inlayed hermetic unit more firmly be easy to cooperate with the main body embedding groove and not yielding coming off be advisable.
Preferably, the bottom surface of the soft hermetic unit in top is connected by circular-arc connecting tendon with sidewall, forms the arcuation hollow portion.
Preferably, on circular-arc connecting tendon, form the sealing ear that outwards protrudes.
Preferably, circular-arc connecting tendon forms the sealing ear of soft hermetic unit bottom surface and sidewall along top, to protect better by Sealing and increase elasticity when connecting bottom surface and sidewall.
Preferably, respectively there is an embedding groove the elastomeric protruding both sides of described clamping; It is clamping and positioning portion that the crect ear end that the bottom is inlayed hermetic unit more firmly is oppositely arranged projection, to form concavo-convex the cooperation with above-mentioned embedding groove.
Preferably, two crect ears that the bottom is inlayed hermetic unit more firmly are tilted to opened with certain angle formation wedge shape, to realize clamping and positioning with the clamping elastomer better.
Preferably, respectively there is an embedding groove the elastomeric protruding both sides of described clamping; It is clamping and positioning portion that the crect ear end that the bottom is inlayed hermetic unit more firmly is oppositely arranged projection, to form concavo-convex the cooperation with above-mentioned embedding groove.
Preferably, described concavo-convex cooperation is circular-arc concavo-convex cooperation.
Preferably, the fitting surface of microtia and body recess is processed into arc, cooperates area of contact to strengthen.
In addition, the present invention also provides the manufacture method of above-mentioned any thermoplastic elastomer soft or hard combination seal bar, wherein, hard sealing configuration and soft sealing configuration be combined as two extruder co-extrusions with the mould moulding, or single mold is extruded hard structure earlier and then the mould by soft structures is combined into one both, or mosaic bonding moulding behind the soft or hard matter structure gluing.
The invention has the beneficial effects as follows:
Inserted gasket structure compactness of the present invention by stressed than the position, huttriall and not yielding, is subjected to the groove tolerances of main body during installation hardly, and the mechanization degree height is installed firm not yielding and more press tighter.Owing to use TPV soft or hard combination of materials so its appearance quality is even, surperficial class height, good hand touch.This material has favorable chemical resistance in addition, antifatigue, low compression deformation, good creep resistance, good dimensional stability, electric insulation, good electrical properties, good heat-resistant aging, anti-ozone, and recyclable utilization.
By inlay the influence to Stamping Steel Ribbon outward appearance and effect that the error of having avoided the member embedding groove is brought than hard sealing structure and main body, solved the problem that Stamping Steel Ribbon and main body mismatch error produce, improve production work efficient, also can adopt mechanical mode to inlay installation.
When soft and hard material co-extrusion, the combination seal bar unites two into one.Inlay portion's (Stamping Steel Ribbon and main body fixed position) in the sealing joint strip and adopt size hard material easy to control, with the soft sealing strip co-extrusion that plays seal action be one.The mosaic site width dimensions of hard is greater than the main body embedding groove, belongs to drive fit, adopts roll unit to carry out inlaying of adhesive tape and main body, assembles fasteningly, do not produce problems such as adhesive tape comes off, contraction, distortion.
Description of drawings
Accompanying drawing 1 is the mounting structure assembling sectional view of a preferred embodiment of the invention.
Accompanying drawing 2 is the sectional view of the sealing joint strip behind co-extrusion of the present invention or the gummed.
Accompanying drawing 3 is the sectional view of the soft hermetic unit in top.
Accompanying drawing 4 is the sectional view of bottom hard hermetic unit.
Accompanying drawing 5 is the mounting structure assembling sectional view of another preferred embodiment of the present invention.
Accompanying drawing 6 is the sectional view of accompanying drawing 5 middle and lower part hard hermetic units.
Among the figure: 1 for inlaying hermetic unit more firmly, and 2 is soft hermetic unit, and 3 for clamping elastomer, and 4 is sealing configuration, and 5 is clamping and positioning portion, and 6 is crect ear, and 7 for inlaying wedge shape, and 8 are the sealing ear, and 9 is sidewall, and 10 is the bottom surface, and 11 is microtia.
Embodiment
Below the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
As accompanying drawing 1 to shown in the accompanying drawing 6.
A kind of thermoplastic elastomer soft or hard combination seal bar is inlayed hermetic unit 1 more firmly and is formed by the soft hermetic unit 2 in top, bottom.The soft hermetic unit 2 in top, bottom are inlayed hermetic unit 1 more firmly and all adopted Thermoplastic Elastic Material Used, and soft or hard is comparatively speaking, one of ordinary skill in the art will readily recognize that the soft hermetic unit hardness in top is less, and be easily deformable so that sealed main body is sealed; It is bigger that the bottom is inlayed part hardness more firmly, also not yieldingly deviates from even be embedded in when stressed on another main body.Soft hermetic unit 2 hardness in top are inlayed hermetic unit 1 more firmly less than the bottom.The soft hermetic unit 2 in top comprises bottom surface 10, with at an angle sidewall 9 of bottom surface 10, be connected bottom surface 10 and the connecting tendon of sidewall 9, the 10 clamping elastomers 3 that protrude downwards from the bottom surface; The bottom is inlayed hermetic unit 1 more firmly and is non-type " Jie " font, wedge shape 7 is inlayed for what at an angle two branch faces formed in the bottom, each branch's face arranges crect ear protruding upward and forms the clamping section, two branch's faces are positioned at the concavo-convex cooperating structure of clamping elastomer 3 formation of 11, two soft hermetic units 2 in crect ear 6 ends and top of part two microtias of formation in the crect ear outside.
Preferably, this Thermoplastic Elastic Material Used is TPV.
In the soft hermetic unit 2 in top, bottom surface 10 forms hollow portion jointly with sidewall 9 and connecting tendon.When being subjected to impacting, impact force can act on the hollow portion, and the air in the hollow portion is extruded; Be extruded distortion by hollow portion buffering is provided well, slackened impact force, play good seal action.Preferably, the bottom surface 10 of the soft hermetic unit 2 in top is connected by circular-arc connecting tendon with sidewall 9, forms the arcuation hollow portion, with shock absorbing power better, realizes better sealing effect.
More preferably, on circular-arc connecting tendon, form the sealing ear 8 that outwards protrudes.When being subjected to impact force, the sealing ear at first provides buffering, to increase elasticity, provides better sealing effect, and reduces noise.
Further, circular-arc connecting tendon is when connecting bottom surface 10 and sidewall 9, and the bottom surface 10 outside hollow portion and sidewall 9 form sealing ears 8, to protect by Sealing better and to increase elasticity.
Preferably, the soft hermetic unit 2 in top is the 10 clamping elastomers 3 that protrude downwards from the bottom surface, and its protruding both sides respectively arrange an embedding groove; It is clamping and positioning portion 5 that crect ear 6 ends that the bottom is inlayed hermetic unit 1 more firmly are oppositely arranged projection, to form concavo-convex the cooperation with above-mentioned embedding groove.Embedding groove can be taked various suitable shapes, and as rectangle, triangle etc., more preferably, the embedding groove cross section is circular-arc, and correspondingly, it is circular-arc that clamping and positioning portion 5 also is.The concavo-convex cooperation of this circular arc is not easy to produce stress and concentrates, and assembles, is more prone to.
More preferably, the protruding end of clamping elastomer 3 is arc transition.Arc transition makes that the distortion of this projection end is easier comparatively speaking, installs stressed more mild.
Preferably, bottom two crect ears 6 inlaying hermetic unit 1 more firmly are tilted to opened with certain angle and form wedge shape.When cooperating with the soft hermetic unit in top, the clamping elastomer 3 of soft hermetic unit bottom, top can fit into this open wedge shape at an easy rate; After this combination seal bar is fitted into sealed body recess, as Fig. 1, shown in Figure 6, the sidewall of main body upper grooves and two crect ears interact, sidewall is given two good support forces of crect ear and clamping force, so that the clamping section that crect ear forms cooperates with clamping elastomer 3 better, realize clamping and positioning.That is to say, the wedge shape clamping section of inlaying hermetic unit 1 more firmly under the effect of body recess sidewall with clamp elastomer 3 and cooperate to realize to clamp, it is more firm that the microtia 11 that clamps elastomer 3 and clamping and positioning portion 5 inset wedge shape both sides is connected it with reaction force.
The bottom is inlayed inlaying in the lower recess that wedge shape 7 is embedded in the main body that needs sealing of hermetic unit 1 more firmly, the clamping elastomer 3 of soft hermetic unit 2 bottoms is embedded in by concavo-convex cooperation in the clamping section of the crect ear formation of inlaying hermetic unit 1 more firmly, and these two structures cooperatively interact and realize clamping.Inlay hermetic unit 1 bottom two branch's faces at an angle more firmly and be positioned at two microtias 11 of crect ear outside formation, these microtia 11 upper surfaces cooperate with the lower recess of the main body that needs sealing, so that inlay in the groove that hermetic unit 1 is embedded in the main body that needs sealing more firmly the bottom, and produce downward power by the groove of main body to inlaying hermetic unit 1 more firmly, inlay closely guaranteeing.
Preferably, microtia 11 is processed into arc with the body recess fitting surface, cooperates area of contact to strengthen, and assembles easy and conveniently.Shown in accompanying drawing 5-6.
Thermoplastic elastomer of the present invention (TPV) soft or hard combination seal bar manufacturing processing is very easy to.The combination of hard sealing configuration 1 and soft sealing configuration 2 can be two extruder co-extrusions and extrudes hard structure earlier and then by the soft structures mould both are combined into one with mould moulding or single mold, but also mosaic bonding moulding behind the soft or hard matter structure gluing.
The concrete installation when implementing keeps motionless in the groove of elder generation with the end embedding main body of combination seal bar, adopts the mode of roll extrusion progressively the combination seal bar to be pressed in the groove of main body then, adjusts the back cut-out.The mosaic site width dimensions of hard is greater than the main body mosaic groove, belongs to drive fit, adopts roll unit to carry out inlaying of Stamping Steel Ribbon and main body, assembles fasteningly, do not produce adhesive tape and comes off, shrinks.
Also can adopt other mounting type, as, under the visible situation of body recess section, the combination seal bar is penetrated body recess by a side, because inlaying hermetic unit 1 more firmly has enough hardness, so can gradually the combination seal bar be penetrated in the body recess of respective length at the body recess section part.
It should be noted that at last: the above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technological scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characteristics wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. thermoplastic elastomer soft or hard combination seal bar is characterized in that: comprise that the soft hermetic unit in top (2), bottom inlay hermetic unit (1) more firmly; The soft hermetic unit in top (2), bottom are inlayed hermetic unit (1) more firmly and are the thermoplastic elastomer, but the soft hermetic unit in top (2) hardness is inlayed hermetic unit (1) more firmly less than the bottom.
2. a kind of soft or hard combination seal bar according to claim 1, it is characterized in that: described Thermoplastic Elastic Material Used is TPV.
3. a kind of soft or hard combination seal bar according to claim 1 and 2 is characterized in that: the soft hermetic unit in top (2) comprises bottom surface (10), with bottom surface (10) at an angle sidewall (9), be connected bottom surface (10) and the connecting tendon of sidewall (9), the clamping elastomer (3) that protrudes (10) from the bottom surface downwards; The bottom is inlayed hermetic unit (1) more firmly and is non-type " Jie " font, wedge shape (7) is inlayed for what at an angle two branch faces formed in its bottom, each branch's face arranges crect ear protruding upward (6) and forms the clamping section, the part that branch's face is positioned at the crect ear outside forms microtia (11), and the clamping elastomer (3) of two soft hermetic units in crect ear (6) end and top (2) forms concavo-convex cooperating structure; Preferably, the bottom surface (10) of the soft hermetic unit in top (2) is connected by circular-arc connecting tendon with sidewall (9), forms the arcuation hollow portion.
4. a kind of soft or hard combination seal bar according to claim 3 is characterized in that: on circular-arc connecting tendon, form the sealing ear (8) that outwards protrudes.
5. according to claim 3 or 4 described a kind of soft or hard combination seal bars; it is characterized in that: circular-arc connecting tendon is when connecting bottom surface (10) and sidewall (9); the sealing ear (8) of formation soft hermetic unit (2) bottom surface (10) and sidewall (9) along top is to protect by Sealing better and to increase elasticity.
6. according to the described a kind of soft or hard combination seal bar of claim 3-5, it is characterized in that: respectively there is an embedding groove both sides, end of the clamping elastomer (3) that protrude downwards (10) from the bottom surface; It is clamping and positioning portion (5) that crect ear protruding upward (6) end that the bottom is inlayed hermetic unit (1) more firmly is oppositely arranged projection, to form concavo-convex the cooperation with above-mentioned embedding groove.
7. according to the described a kind of soft or hard combination seal bar of claim 3-6, it is characterized in that: two crect ears (6) that the bottom is inlayed hermetic unit (1) more firmly are tilted to opened with certain angle formation wedge shape, to realize clamping and positioning with clamping elastomer (3) better.
8. according to the described a kind of soft or hard combination seal bar of above-mentioned arbitrary claim, it is characterized in that: described concavo-convex cooperation is circular-arc concavo-convex cooperation.
9. according to the arbitrary described a kind of soft or hard combination seal bar of claim 3-8, it is characterized in that: microtia (11) is processed into arc with the fitting surface of body recess, cooperates area of contact to strengthen.
10. as the manufacture method of the arbitrary described a kind of thermoplastic elastomer soft or hard combination seal bar of claim 1-9, wherein, hard sealing configuration (1) is combined as pair extruder co-extrusions with the mould moulding with soft sealing configuration (2), or single mold is extruded hard structure earlier and then the mould by soft structures is combined into one both, or mosaic bonding moulding behind the soft or hard matter structure gluing.
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| CN201310245888.0A CN103335101B (en) | 2013-06-20 | 2013-06-20 | A kind of thermoplastic elastomer soft or hard combination seal bar |
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| CN201310245888.0A CN103335101B (en) | 2013-06-20 | 2013-06-20 | A kind of thermoplastic elastomer soft or hard combination seal bar |
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| CN103335101A true CN103335101A (en) | 2013-10-02 |
| CN103335101B CN103335101B (en) | 2015-08-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989836A (en) * | 2015-07-22 | 2015-10-21 | 中石化石油工程机械有限公司研究院 | Flat gate valve for underwater sand prevention |
| CN108716356A (en) * | 2018-06-06 | 2018-10-30 | 孙多仁 | A kind of combined type door and window sealing strip |
| CN114111414A (en) * | 2020-08-27 | 2022-03-01 | 马勒国际公司 | Heat exchanger device |
| CN114702760A (en) * | 2022-04-13 | 2022-07-05 | 中国第一汽车股份有限公司 | Automobile wiper rubber strip and preparation method thereof |
| CN114111414B (en) * | 2020-08-27 | 2024-05-03 | 马勒国际公司 | Heat exchanger device |
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| JPS60209322A (en) * | 1984-03-31 | 1985-10-21 | Kinugawa Rubber Ind Co Ltd | Seal for slidable window pane |
| CN200961433Y (en) * | 2006-10-02 | 2007-10-17 | 新疆豪普塑胶有限公司 | Sealed rubber strip of different rigidity distribution |
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| CN202441234U (en) * | 2012-02-08 | 2012-09-19 | 北京西飞世纪门窗幕墙工程有限责任公司 | Composite sealing strip |
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| GB879886A (en) * | 1958-10-23 | 1961-10-11 | Ernst Henniges | Elastic compound sealing strip |
| JPS60209322A (en) * | 1984-03-31 | 1985-10-21 | Kinugawa Rubber Ind Co Ltd | Seal for slidable window pane |
| CN200961433Y (en) * | 2006-10-02 | 2007-10-17 | 新疆豪普塑胶有限公司 | Sealed rubber strip of different rigidity distribution |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989836A (en) * | 2015-07-22 | 2015-10-21 | 中石化石油工程机械有限公司研究院 | Flat gate valve for underwater sand prevention |
| CN108716356A (en) * | 2018-06-06 | 2018-10-30 | 孙多仁 | A kind of combined type door and window sealing strip |
| CN114111414A (en) * | 2020-08-27 | 2022-03-01 | 马勒国际公司 | Heat exchanger device |
| US11740034B2 (en) | 2020-08-27 | 2023-08-29 | Mahle International Gmbh | Heat exchanger arrangement |
| CN114111414B (en) * | 2020-08-27 | 2024-05-03 | 马勒国际公司 | Heat exchanger device |
| CN114702760A (en) * | 2022-04-13 | 2022-07-05 | 中国第一汽车股份有限公司 | Automobile wiper rubber strip and preparation method thereof |
| CN114702760B (en) * | 2022-04-13 | 2023-05-12 | 中国第一汽车股份有限公司 | Automobile windscreen wiper rubber strip and preparation method thereof |
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| CN103335101B (en) | 2015-08-19 |
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Inventor after: Chen Sen Inventor after: Fu Xin Inventor after: Pan Yonggui Inventor after: He Xuanlin Inventor after: Pan Shuhua Inventor after: Wei Anda Inventor after: Jin Yahong Inventor after: Zhang Zhiming Inventor before: Wu Qingyun Inventor before: Fu Xin Inventor before: Chen Sen |
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Free format text: CORRECT: INVENTOR; FROM: WU QINGYUN FU XIN CHEN SEN TO: CHEN SEN FU XIN PAN YONGGUI HE XUANLIN PAN SHUHUA WEI ANDA JIN YAHONG ZHANG ZHIMING |
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Granted publication date: 20150819 Termination date: 20180620 |