CN201241593Y - Coextrusion seal rubber strip - Google Patents
Coextrusion seal rubber strip Download PDFInfo
- Publication number
- CN201241593Y CN201241593Y CNU2008201622007U CN200820162200U CN201241593Y CN 201241593 Y CN201241593 Y CN 201241593Y CN U2008201622007 U CNU2008201622007 U CN U2008201622007U CN 200820162200 U CN200820162200 U CN 200820162200U CN 201241593 Y CN201241593 Y CN 201241593Y
- Authority
- CN
- China
- Prior art keywords
- main body
- sealing
- cavity
- adhesive tape
- rubber strip
- Prior art date
- 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 - Fee Related
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Abstract
The utility model relates to a coextrusion sealing rubber strip, which comprises a rubber strip main body, wherein one side of the rubber strip main body is equipped with a connecting portion, the other side of the rubber strip main body is equipped with a sealing portion, the sealing portion comprises a cavity, and a plurality of embossments are arranged outside the cavity. According to the technical scheme of the utility model, when the embossments of the sealing portion are contacted with doors, windows and the like, a plurality of constant pressure chambers are formed among the embossments, thereby forming multiple seals. Compared with the prior art, the utility model is fine in sealing property and not easy to leak, further, the sealing portions are formed by connecting two cavities, thereby reducing heat conductivity coefficient and being not easy to expand when heated and contract when cooled, and thereby causing no influence on the sealing property.
Description
Technical field
The utility model relates to the doors and windows sealing member, relates in particular to the better co-extrusion sealing joint strip of a kind of tightness.
Background technology
Modern society is higher to the sealing requirements of door and window; therefore the Seal Design of door and window is crucial; the subject matter that traditional sealing joint strip exists is; contacts such as its end face and door and window are that line contacts or the face contact; the sealing means of this employing line contact or face contact is actually one sealing; the gentle leakage phenomenon of water can take place when the granule dust appears in the end face contact site of adhesive tape, so sealing and bad, the occasion that requires in high leakproofness does not reach instructions for use.
Moreover traditional sealing joint strip is an entity, so heat-proof quality is relatively poor, and the coefficient of thermal conductivity height is subjected to variation of ambient temperature can produce the phenomenon of expanding with heat and contract with cold, and its sealing performance is reduced.
Summary of the invention
The utility model provides a kind of heat-proof quality good at deficiency of the prior art, and coefficient of thermal conductivity is low, can form the co-extrusion sealing joint strip of multiple-sealed structure.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of co-extrusion sealing joint strip includes the adhesive tape main body, is provided with connecting portion in a side of adhesive tape main body, is provided with sealing at the opposite side of adhesive tape main body, and described sealing includes cavity, is provided with a plurality of projectioies in the cavity outside.
As preferably, described cavity includes 2 cavitys that link together up and down, is provided with a plurality of projectioies in the outside of the cavity of upper end.
As preferably, the cross sectional shape of described projection is square, circular arc or triangle.
As preferably, described connecting portion comprises 2 card arms that are symmetrical set that protrude along the adhesive tape main body and the grab that is arranged on card arm end downwards.
According to the technical solution of the utility model, when the contacts that join such as the projection of sealing and door and window contact, can form a plurality of equivalent pressure cavities between the projection, thereby form multiple-sealedly, with respect to prior art, have good seal performance, not the advantage of easy to leak; Moreover sealing is two cavitys that link together, thereby makes coefficient of thermal conductivity reduce, and is difficult for expanding with heat and contract with cold, thereby can not influences its sealing performance.
Figure of description
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
Embodiment: as shown in Figure 1, a kind of co-extrusion sealing joint strip, be to adopt soft-hard coextrusion to be integral moulding, has advantages of high strength, include adhesive tape main body 1, side in adhesive tape main body 1 is provided with connecting portion 5, opposite side in adhesive tape main body 1 is provided with sealing 4, described sealing 4 includes cavity, described cavity includes the cavity 3a that links together up and down, cavity 3b is provided with a plurality of protrudingly 2 in the outside of the cavity 3b of upper end, described protruding 2 are arranged in waveform, described protruding 2 cross sectional shape is square, also can adopt shapes such as circular arc or triangle in addition.
The both ends of adhesive tape main body 1 are extended with symmetrical side 8 downwards, and described connecting portion 5 comprises 2 card arms 6 that are symmetrical set that protrude along adhesive tape main body 1 and the grab 7 that is arranged on card arm 6 ends downwards; Connecting portion 5 can snap in the T type groove of door and window.
Claims (5)
1. co-extrusion sealing joint strip, include adhesive tape main body (1), be provided with connecting portion (5), be provided with sealing (4) at the opposite side of adhesive tape main body (1) in a side of adhesive tape main body (1), it is characterized in that: described sealing (4) includes cavity, is provided with a plurality of projectioies (2) in the cavity outside.
2. a kind of co-extrusion sealing joint strip according to claim 1 is characterized in that: described cavity includes 2 cavitys that link together up and down, and (3a 3b), is provided with a plurality of projectioies (2) in the outside of the cavity (3b) of upper end.
3. a kind of co-extrusion sealing joint strip according to claim 2 is characterized in that: the cross sectional shape of described projection (2) is square, circular arc or triangle.
4. a kind of co-extrusion sealing joint strip according to claim 1 is characterized in that: described connecting portion (5) comprises 2 card arms (6) that are symmetrical set that protrude downwards along adhesive tape main body (1) and the grab (7) that is arranged on card arm (6) end.
5. a kind of co-extrusion sealing joint strip according to claim 1 is characterized in that: the both ends of adhesive tape main body (1) are extended with symmetrical side (8) downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201622007U CN201241593Y (en) | 2008-08-05 | 2008-08-05 | Coextrusion seal rubber strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201622007U CN201241593Y (en) | 2008-08-05 | 2008-08-05 | Coextrusion seal rubber strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201241593Y true CN201241593Y (en) | 2009-05-20 |
Family
ID=40714890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201622007U Expired - Fee Related CN201241593Y (en) | 2008-08-05 | 2008-08-05 | Coextrusion seal rubber strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201241593Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073655A (en) * | 2016-07-29 | 2016-11-09 | 北京小米移动软件有限公司 | For cleaning the scraping article of equipment, round brush lid, round brush assembly and automatic cleaning equipment |
-
2008
- 2008-08-05 CN CNU2008201622007U patent/CN201241593Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073655A (en) * | 2016-07-29 | 2016-11-09 | 北京小米移动软件有限公司 | For cleaning the scraping article of equipment, round brush lid, round brush assembly and automatic cleaning equipment |
| CN106073655B (en) * | 2016-07-29 | 2022-05-06 | 北京小米移动软件有限公司 | Scraping strip for cleaning equipment, rolling brush cover, rolling brush assembly and automatic cleaning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20130805 |