CN103335101B - A kind of thermoplastic elastomer soft or hard combination seal bar - Google Patents
A kind of thermoplastic elastomer soft or hard combination seal bar Download PDFInfo
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- CN103335101B CN103335101B CN201310245888.0A CN201310245888A CN103335101B CN 103335101 B CN103335101 B CN 103335101B CN 201310245888 A CN201310245888 A CN 201310245888A CN 103335101 B CN103335101 B CN 103335101B
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Abstract
The present invention relates to a kind of thermoplastic elastomer soft or hard combination seal bar, comprise top soft seal part (2), bottom inlays hermetic unit (1) more firmly; Top soft seal part (2), bottom are more firmly inlayed hermetic unit (1) and are Thermoplastic Elastic Material Used, but top soft seal part (2) hardness is less than bottom more firmly inlays hermetic unit (1); Top soft seal part (2) comprises bottom surface (10), with bottom surface (10) sidewall at an angle (9), is connected bottom surface (10) with the connecting tendon of sidewall (9), from bottom surface (10) the downward clamping elastomer (3) protruded; Hermetic unit (1) is inlayed more firmly in non-type " Jie " font in bottom.Thermoplastic elastomer soft or hard combination seal bar compact structure of the present invention, installs firm not yielding and more pressure is tighter, can be applicable to the various field needing sealing.
Description
Technical field
The invention belongs to field of sealing technology, be specifically related to a kind of Stamping Steel Ribbon, particularly relate 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 market uses, is entire body soft goods, buys adhesive tape product by Product Terminal producer from adhesive tape factory, is mounted on the product of needs sealing.Adhesive tape with inlay main body and all have tolerance of size, wayward, inlay assembling with manual operations again, adhesive tape inlay size is difficult to and inlays main body and assemble; Adhesive tape inlay size is little, easily comes off.Assembling is inlayed in manual operations also can produce adhesive tape contraction, ripple, and efficiency is low and Quality Process is wayward, brings inconvenience to production and processing.In general, existing soft adhesive tape, its inlay is with to inlay 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 provided for 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 loosening of Stamping Steel Ribbon effectively, makes it install firm not yielding and more pressure is tighter.Can be applicable to the various field needing sealing.
In order to solve aforementioned technical problem, reaching above-mentioned technique effect, the invention provides following technological scheme:
A kind of thermoplastic elastomer soft or hard combination seal bar, comprises top soft seal part, bottom inlays hermetic unit more firmly; Top soft seal part, bottom are more firmly inlayed hermetic unit and are Thermoplastic Elastic Material Used, but top soft seal part hardness is less than bottom more firmly inlays hermetic unit; Top soft seal part comprise bottom surface, with bottom surface sidewall at an angle, the connecting tendon being connected bottom surface and sidewall, the clamping elastomer that protrudes downwards from bottom surface; It is non-type " Jie " font that bottom inlays hermetic unit more firmly, its bottom surface be Liang Ge branch face at an angle formed inlay wedge shape, each branch face arranges crect ear protruding upward and forms clamping section, the part that branch face is positioned at outside crect ear forms microtia, and the clamping elastomer of two crect ear ends and top soft seal part forms concave-convex fit 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) i.e. thermoplasticity Ethylene Propylene Terpolymer dynamic vulcanization elastomer or thermoplasticity Ethylene Propylene Terpolymer dynamic perduren are the macromolecular elastomer materials of ethylene propylene diene rubber EPDM microparticulate composition in continuous polypropylene PP phase of solid cure.TPV can fast, economical and machine shaping easily, and the characteristic of rubber and plastics can well combine by it, obtains the high performance elastomer material of excellent combination property.TPV has wider hardness range, can meet different top soft seal parts, soft or hard that bottom inlays hermetic unit more firmly coordinates.The bottom hardness of more firmly inlaying hermetic unit is to be easy to coordinate with main body embedding groove and yielding coming off is not advisable.
Preferably, the bottom surface of top soft seal part is connected by arc-shaped connecting tendon with sidewall, forms arcuation hollow portion.
Preferably, on arc-shaped connecting tendon, form outwardly sealing ear.
Preferably, arc-shaped connecting tendon, while connection bottom surface and sidewall, forms the sealing ear along top soft seal portion bottom surface and sidewall, to protect better by Sealing and to increase elasticity.
Preferably, respectively there is an embedding groove the elastomeric protruding both sides of described clamping; The crect ear end that bottom inlays hermetic unit is more firmly oppositely arranged projection and clamping and positioning portion, to form male-female engagement with above-mentioned embedding groove.
Preferably, two crect ears that bottom inlays hermetic unit more firmly tilt upward opened with certain angle formation wedge shape, to realize clamping and positioning with clamping elastomer better.
Preferably, respectively there is an embedding groove the elastomeric protruding both sides of described clamping; The crect ear end that bottom inlays hermetic unit is more firmly oppositely arranged projection and clamping and positioning portion, to form male-female engagement with above-mentioned embedding groove.
Preferably, described male-female engagement is arc-shaped male-female engagement.
Preferably, the fitting surface of microtia and body recess is processed into arc, to strengthen cooperation area of contact.
In addition, present invention also offers the manufacture method of any one thermoplastic elastomer soft or hard combination seal bar above-mentioned, wherein, hard seal structure and soft seal structure be combined as two same mould-forming of extruder co-extrusion, or single mold first extrudes hard structure and then make both be combined into one by the mould of soft structures, or after soft hard structure gluing, mosaic bonding is shaping.
The invention has the beneficial effects as follows:
Inserted gasket structure of the present invention is compact, and by stressed compared with position, huttriall and not yielding during installation, hardly by the groove tolerances of main body, mechanization degree is high, installs firm not yielding and more pressure is tighter.Owing to using its appearance quality of TPV soft or hard combination of materials event even, surperficial class is high, good hand touch.This material has good chemical resistance in addition, antifatigue, low compression deformation, good creep resistance, good dimensional stability, electric insulation, good electrical property, good heat-resistant aging, resistance to ozone, and recoverable.
By the impact on Stamping Steel Ribbon outward appearance and effect of inlaying compared with hard sealing structure and main body that the error that avoids component embedding groove brings, solve the problem that Stamping Steel Ribbon and main body mismatch error produce, improve production work efficiency, the mode of machinery also can be adopted to inlay installation.
When soft and hard material co-extrusion, combination seal bar unites two into one.In sealing joint strip, inlay (Stamping Steel Ribbon and main body fixed position) adopts size hard material easy to control, is integrated with the soft sealing strip co-extrusion playing seal action.The mosaic site width dimensions of hard is greater than main body embedding groove, belongs to drive fit, adopts roll unit to carry out inlaying of adhesive tape and main body, assembles fastening, does not produce the problems such as adhesive tape comes off, shrinks, distortion.
Accompanying drawing explanation
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 co-extrusion of the present invention or the sealing joint strip after gluing together.
Accompanying drawing 3 is the sectional view of top soft seal part.
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 unit.
In figure: 1 for more firmly to inlay hermetic unit, 2 is soft seal part, and 3 is 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 is sealing ear, and 9 is sidewall, and 10 is 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 is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in accompanying drawing 1 to accompanying drawing 6.
A kind of thermoplastic elastomer soft or hard combination seal bar, is more firmly inlayed hermetic unit 1 formed by top soft seal part 2, bottom.Top soft seal part 2, bottom are more firmly inlayed hermetic unit 1 and are all adopted Thermoplastic Elastic Material Used, and soft or hard is comparatively speaking, one of ordinary skill in the art will readily recognize that top soft seal part hardness is less, easily deformable to seal by sealed body; It is comparatively large that bottom inlays part hardness more firmly, though when being embedded in stressed in another main body also not yielding deviate from.Top soft seal part 2 hardness is less than bottom and more firmly inlays hermetic unit 1.Top soft seal part 2 comprise bottom surface 10, with bottom surface 10 sidewall 9 at an angle, the connecting tendon being connected bottom surface 10 and sidewall 9, the clamping elastomer 3 that protrudes downwards from bottom surface 10; Hermetic unit 1 is inlayed more firmly in non-type " Jie " font in bottom, what bottom was formed for Liang Ge branch face at an angle inlays wedge shape 7, each branch face arranges crect ear protruding upward and forms clamping section, the clamping elastomer 3 that the Liang Ge branch face part be positioned at outside crect ear forms two microtias, 11, two crect ear 6 ends and top soft seal part 2 forms concave-convex fit structure.
Preferably, this Thermoplastic Elastic Material Used is TPV.
In top soft seal part 2, bottom surface 10 forms hollow portion jointly with sidewall 9 and connecting tendon.When being subject to impacting, impact force can act on hollow portion, and the air in hollow portion is extruded; Be extruded distortion by hollow portion and provide buffering well, slackened impact force, play good seal action.Preferably, the bottom surface 10 of top soft seal part 2 is connected by arc-shaped connecting tendon with sidewall 9, forms arcuation hollow portion, with cushion impact forces better, realizes better sealing effect.
More preferably, on arc-shaped connecting tendon, form outwardly sealing ear 8.When being subject to impact force, first sealing ear provides buffering, to increase elasticity, provides better sealing effect, and reduces noise.
Further, arc-shaped connecting tendon, while connection bottom surface 10 with sidewall 9, the bottom surface 10 outside hollow portion and sidewall 9 forms sealing ear 8, to protect better by Sealing and to increase elasticity.
Preferably, the clamping elastomer 3 that top soft seal part 2 is protruded downwards from bottom surface 10, its protruding both sides respectively arrange an embedding groove; Crect ear 6 end that bottom inlays hermetic unit 1 is more firmly oppositely arranged projection and clamping and positioning portion 5, to form male-female engagement with above-mentioned embedding groove.Embedding groove can take various suitable shape, and as rectangle, triangle etc., more preferably, embedding groove cross section is arc-shaped, and correspondingly, clamping and positioning portion 5 is also in arc-shaped.This circular arc male-female engagement is not easy to produce stress and concentrates, and assembles, is more prone to.
More preferably, the protruding end clamping elastomer 3 is arc transition.Arc transition makes the distortion of this protruding end easier comparatively speaking, installs stressed more mild.
Preferably, two crect ears 6 that bottom inlays hermetic unit 1 more firmly tilt upward opened with certain angle and form wedge shape.When coordinating with top soft seal part, the clamping elastomer 3 of top soft seal section lower can fit into this wedge shape of opening easily; When this combination seal bar is fitted into after by sealed body groove, as shown in Fig. 1, Fig. 6, the sidewall of body top groove and two crect ears interact, sidewall gives two good support forces of crect ear and clamping force, the clamping section formed to make crect ear coordinates with clamping elastomer 3 better, realizes clamping and positioning.That is, the wedge-shaped clamping portion of more firmly inlaying hermetic unit 1 coordinates to realize clamping with clamping elastomer 3 under the effect of body recess sidewall, and it is more firm that clamping elastomer 3 and the microtia 11 of clamping and positioning portion 5 inset wedge shape both sides make it be connected with reaction force.
The wedge shape 7 of inlaying that bottom inlays hermetic unit 1 is more firmly embedded in the lower recess of the main body needing sealing, the clamping elastomer 3 of soft seal part 2 bottom is embedded in the clamping section of the crect ear formation of more firmly inlaying hermetic unit 1 by male-female engagement, and these two structures cooperatively interact and realize clamping.The Liang Ge branch face of more firmly to inlay bottom hermetic unit 1 is at an angle positioned at outside crect ear and forms two microtias 11, this microtia 11 upper surface coordinates with needing the lower recess of the main body sealed, more firmly inlaying hermetic unit 1 to make bottom is embedded in the groove of the main body needing sealing, and produce downward power by the groove of main body to more firmly inlaying hermetic unit 1, to ensure to inlay closely.
Preferably, microtia 11 and body recess fitting surface are processed into arc, to strengthen cooperation area of contact, assemble easy and conveniently.As shown in figures 5-6.
Thermoplastic elastomer of the present invention (TPV) soft or hard combination seal bar manufacture processing is very easy to.Hard seal structure 1 and the combination of soft seal structure 2 can be two extruder co-extrusion and first extrude hard structure with mould-forming or single mold and then make both be combined into one by soft structures mould, also can after soft hard structure gluing mosaic bonding shaping.
Concrete installation when implementing first keeps motionless by the groove of one end of combination seal bar embedding main body, then adopts the mode of roll extrusion to be progressively pressed in the groove of main body by combination seal bar, cuts off after adjustment.The mosaic site width dimensions of hard is greater than main body mosaic groove, belongs to drive fit, adopts roll unit to carry out inlaying of Stamping Steel Ribbon and main body, assembles fastening, do not produce adhesive tape and come off, shrink.
Also other mounting type can be adopted, as, in the visible situation of body recess section, combination seal bar is penetrated body recess by side, there is enough hardness owing to more firmly inlaying hermetic unit 1, therefore can gradually combination seal bar be penetrated in the body recess of corresponding length at body recess section part.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. a thermoplastic elastomer soft or hard combination seal bar, is characterized in that: comprise top soft seal part (2), bottom inlays hermetic unit (1) more firmly; Top soft seal part (2), bottom are more firmly inlayed hermetic unit (1) and are thermoplastic elastomer, but top soft seal part (2) hardness is less than bottom more firmly inlays hermetic unit (1); Top soft seal part (2) comprises bottom surface (10), with bottom surface (10) sidewall at an angle (9), is connected bottom surface (10) with the connecting tendon of sidewall (9), from bottom surface (10) the downward clamping elastomer (3) protruded; Hermetic unit (1) is inlayed more firmly in non-type " Jie " font in bottom, what formed for Liang Ge branch face at an angle bottom it inlays wedge shape (7), each branch face arranges crect ear (6) protruding upward and forms clamping section, the part that branch face is positioned at outside crect ear forms microtia (11), and the clamping elastomer (3) on two crect ear (6) ends and top soft seal part (2) forms concave-convex fit structure.
2. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 1, is characterized in that: described Thermoplastic Elastic Material Used is TPV.
3. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 1 and 2, is characterized in that: the bottom surface (10) on top soft seal part (2) is connected by arc-shaped connecting tendon with sidewall (9), forms arcuation hollow portion.
4. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 3, is characterized in that: on arc-shaped connecting tendon, forms outwardly sealing ear (8).
5. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 3; it is characterized in that: arc-shaped connecting tendon is while connection bottom surface (10) with sidewall (9); form the sealing ear (8) along soft seal part (2) bottom surface, top (10) and sidewall (9), to protect better by Sealing and to increase elasticity.
6. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 4; it is characterized in that: arc-shaped connecting tendon is while connection bottom surface (10) with sidewall (9); form the sealing ear (8) along soft seal part (2) bottom surface, top (10) and sidewall (9), to protect better by Sealing and to increase elasticity.
7. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 1,2,4,5 or 6, is characterized in that: respectively have an embedding groove from the both sides, end of bottom surface (10) downward clamping elastomer (3) protruded; Crect ear (6) end protruding upward that bottom inlays hermetic unit (1) is more firmly oppositely arranged projection and clamping and positioning portion (5), to form male-female engagement with above-mentioned embedding groove.
8. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 3, is characterized in that: respectively have an embedding groove from the both sides, end of bottom surface (10) downward clamping elastomer (3) protruded; Crect ear (6) end protruding upward that bottom inlays hermetic unit (1) is more firmly oppositely arranged projection and clamping and positioning portion (5), to form male-female engagement with above-mentioned embedding groove.
9. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 1,2,4,5,6 or 8, it is characterized in that: two crect ears (6) that bottom inlays hermetic unit (1) more firmly tilt upward opened with certain angle formation wedge shape, to realize clamping and positioning with clamping elastomer (3) better.
10. a kind of thermoplastic elastomer soft or hard combination seal bar according to claim 3, it is characterized in that: two crect ears (6) that bottom inlays hermetic unit (1) more firmly tilt upward opened with certain angle formation wedge shape, to realize clamping and positioning with clamping elastomer (3) better.
11. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 7, it is characterized in that: two crect ears (6) that bottom inlays hermetic unit (1) more firmly tilt upward opened with certain angle formation wedge shape, to realize clamping and positioning with clamping elastomer (3) better.
12. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 1,2,4,5,6,8,10 or 11, is characterized in that: described male-female engagement is arc-shaped male-female engagement.
13. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 3, is characterized in that: described male-female engagement is arc-shaped male-female engagement.
14. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 7, is characterized in that: described male-female engagement is arc-shaped male-female engagement.
15. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 9, is characterized in that: described male-female engagement is arc-shaped male-female engagement.
16. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 1,2,4,5,6,8,10,11,13,14 or 15, is characterized in that: microtia (11) is processed into arc, to strengthen cooperation area of contact with the fitting surface of body recess.
17. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 3, is characterized in that: microtia (11) is processed into arc, to strengthen cooperation area of contact with the fitting surface of body recess.
18. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 7, is characterized in that: microtia (11) is processed into arc, to strengthen cooperation area of contact with the fitting surface of body recess.
19. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 9, is characterized in that: microtia (11) is processed into arc, to strengthen cooperation area of contact with the fitting surface of body recess.
20. a kind of thermoplastic elastomer soft or hard combination seal bars according to claim 12, is characterized in that: microtia (11) is processed into arc, to strengthen cooperation area of contact with the fitting surface of body recess.
21. as arbitrary in claim 1-20 as described in a kind of manufacture method of thermoplastic elastomer soft or hard combination seal bar, wherein, that more firmly inlays hermetic unit (1) and soft seal part (2) is combined as two same mould-forming of extruder co-extrusion, or single mold is first extruded and is more firmly inlayed hermetic unit and then make both be combined into one by the mould of soft seal part, or soft seal part, more firmly inlay hermetic unit gluing after mosaic bonding shaping.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 CN103335101A (en) | 2013-10-02 |
| CN103335101B true CN103335101B (en) | 2015-08-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989836B (en) * | 2015-07-22 | 2018-04-10 | 中石化石油机械股份有限公司研究院 | Underwater sand control flat gate valve |
| CN108716356A (en) * | 2018-06-06 | 2018-10-30 | 孙多仁 | A kind of combined type door and window sealing strip |
| DE102020210838A1 (en) * | 2020-08-27 | 2022-03-03 | Mahle International Gmbh | heat exchanger arrangement |
| 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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| 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 |
| CN201080762Y (en) * | 2007-07-11 | 2008-07-02 | 新疆屯河型材有限公司 | Plastic special-shaped section bar binding with sealing rubber strip |
| 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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2013
- 2013-06-20 CN CN201310245888.0A patent/CN103335101B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN201080762Y (en) * | 2007-07-11 | 2008-07-02 | 新疆屯河型材有限公司 | Plastic special-shaped section bar binding with sealing rubber strip |
| 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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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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