CN108656909A - Thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof - Google Patents
Thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof Download PDFInfo
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- CN108656909A CN108656909A CN201810443620.0A CN201810443620A CN108656909A CN 108656909 A CN108656909 A CN 108656909A CN 201810443620 A CN201810443620 A CN 201810443620A CN 108656909 A CN108656909 A CN 108656909A
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- sealing strip
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- lobus
- right edge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J10/00—Sealing arrangements
- B60J10/70—Sealing arrangements specially adapted for windows or windscreens
- B60J10/74—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides
- B60J10/76—Sealing arrangements specially adapted for windows or windscreens for sliding window panes, e.g. sash guides for window sashes; for glass run channels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
A kind of thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof, the structure includes sealing strip bottom, it is connect with bottom both ends, the left side of symmetrical setting and right edge, the end of the left side and right edge is connected with lobus sinister piece and lobus dexter piece, the lobus sinister piece and the opposed, inwardly directed extension of lobus dexter piece；The bottom and the junction of left side right edge are located at sealing strip madial wall and are provided with recessed hinge；The junction and the junction of right edge and lobus dexter piece of the left side and lobus sinister piece are located at sealing strip madial wall and are provided with strain slot.Due to the setting of recessed hinge and strain slot, and wall thickness is thinned, to ensure that the elastic recovery of glass guide groove sealing strip, stabilizing sealing effect can also effectively avoid the wave of glass guide groove sealing strip blade from wrinkling, and improve the quality of structural stability and integral sealing item.
Description
Technical field：
The present invention relates to automotive glass guide groove sealing strip technical fields, are specifically related to a kind of thermoplastic vulcanizates vehicle glass
Guide groove sealing strip structure and preparation method thereof.
Background technology：
Automotive glass guide groove sealing strip be it is a kind of be used for automobile sealed component, have functional requirement and appearance requirement concurrently.Guide groove
The sealing strip component part important as jacking system has sealing, waterproof and dustproof, noise reduction, auxiliary lifting glass for vehicle window etc. many
Function.In order to realize the above-mentioned functions such as its sealing, waterproof and dustproof, noise reduction, auxiliary lifting glass for vehicle window, plastic material is mostly used
Prepare, at present using it is more be ethylene propylene diene rubber（English is Ethylene propylene dieneterpolymer
rubber）, referred to as EPDM；But EPDM materials belong to can not recycling and utilize material because it is in process
Realization certain function needs to be added to many auxiliary agents, and most auxiliary agents are noxious materials, are not easily recycled, and if with
It is burned after abandoning and will produce a large amount of dioxin contamination environment again.Therefore, at present automotive glass guide groove sealing strip material gradually by heat
Plasticity vulcanized rubber（English is Thermoplastic Vulcanizate）, referred to as TPV replacement EPDM rubbers.TPV mainly by
Two parts form, when plastics, as continuous phase, second is that rubber is as dispersed phase.TPV need not vulcanize in process, hold
Easily realize accurate control of section, while TPV material is recyclable, performance is environmentally protective without being decreased obviously after Reusability.
Currently, existing thermoplastic vulcanizates guide slot sealing strip structure, specific structure such as 1 institute of attached drawing
Show：Including sealing strip bottom 1 ', it is connect with bottom both ends, the left side 2 ' of symmetrical setting and right edge 3 ', it is described
The end of left side and right edge is connected with lobus sinister piece 4 ' and lobus dexter piece 5 ', the lobus sinister piece and lobus dexter piece is opposed, inwardly directed prolongs
It stretches；But this structure member is entirely to be prepared by TPV material, the sealing strip of this material preparation, since TPV is more similar than hardness
EPDM show higher " rigidity ", use rear this " rigidity " that the elasticity time of glass guide groove sealing strip will be reduced for a long time
Renaturation energy, and then influence sealing effect；It can also cause the wave of glass guide groove sealing strip blade to wrinkle simultaneously, reduce stable structure
The quality of property and integral sealing item；Therefore, certain adjustment how is done in structure so that the rigidity of this materials of TPV is to glass
The elastic recovery of glass guide groove sealing strip influences to reduce, and ensures the performance and structure of TPV automotive glass guide groove sealing strips
Problem becomes industry technical problem urgently to be resolved hurrily.
Invention content:
The present invention is directed to the above-mentioned deficiency of the prior art, provides and a kind of making up TPV material rigidly excessive deficiency ensures that glass is led
The static state and dynamic sealing performance of slot sealing strip realize the thermoplastic vulcanizates automobile glass guide slot sealing of accurate control of section
Structure.
The present invention in order to solve the above-mentioned technical problem, the technical solution used for：A kind of thermoplastic vulcanizates vehicle glass is led
Slot gasket structure, the structure include sealing strip bottom, are connect with bottom both ends, the left side of symmetrical setting and right side
The end of side, the left side and right edge is connected with lobus sinister piece and lobus dexter piece, the lobus sinister piece and lobus dexter piece it is opposite to
Interior extension；The bottom and the junction of left side right edge are located at sealing strip madial wall and are provided with recessed hinge；The left side
The junction and right edge of side and lobus sinister piece and the junction of lobus dexter piece are located at sealing strip madial wall and are provided with strain slot.
Using the above structure, as a result of recessed hinge and strain slot, in the process that TPV glass guide groove sealing strips use
In, such as with glass and the continuous extrusion and collision of car door metal plate during, due to recessed hinge and strain slot setting so that each portion
The junction flexibility of part increases, and whole rigidity reduces, and to ensure that the elastic recovery of glass guide groove sealing strip, stablizes
Sealing effect；And the setting of above structure, since flex capability increases, in the leaf position of glass crush seal item,
It reduces rigid contact and improves flexible contact, to can also effectively avoid the wave of glass guide groove sealing strip blade from wrinkling,
Improve the quality of structural stability and integral sealing item.
Preferably, the bottom thickness is thinned to the 80-90% of original thickness, the left side and right edge, a left side
The thickness of blade and lobus dexter piece is thinned to the 90-95% of original thickness.Using the structure, the rigid of sealing strip can be further decreased
Property, solve the defect and deficiency of existing sealing strip.
As further preferred, described is thinned being thinned for face where sealing strip madial wall；The setting can ensure whole
The appearance and size of a sealing strip does not change, high with car door metal plate installation process fitness, the sealing strip shape with prototype structure
Size is consistent, improves installation fitness, need not adjust to the size of car door metal plate.
Preferably, it is 0.2-0.3 millimeters that the recessed hinge, which is arc-shaped and arc-shaped radius,.The structure can be with
Realize that glass, with the flexible contact of sealing strip, reduces rigid contact during pushing.
Preferably, it is 0.2-0.3 millimeters that the strain slot, which is arc-shaped and arc-shaped radius,.The structure can be with
Increase local train, effectively changes elastic recovery.
The present invention also provides a kind of preparation method of above-mentioned thermoplastic vulcanizates guide slot sealing strip structure, mistakes
Journey includes：
（1）As reference with the cross-sectional design of attached glass guide groove sealing strip shown in FIG. 1, keep section appearance and size constant；
（2）To the bottom wall thickness of sealing strip, left and right side wall is thick and left and right blade wall thickness is thinned；The wherein bottom of sealing strip
For wall thickness reduction to the 80-90% of original thickness, the thickness and left and right vane thickness of left and right side are thinned to the 90- of original thickness
95%；To reduce the rigidity of TPV glass guide groove sealing strips
（3）Increase the recessed hinge that radius is 0.2-0.3 millimeters in the junction of left and right side and bottom simultaneously；In blade and side
Junction setting radius be 0.5-0.8 millimeter circular groove as strain slot；To obtain the sealing strip of final structure.
Description of the drawings
Fig. 1 is the EPDM glass guide groove sealing strip sectional schematic diagrams of the prior art.
Fig. 2 is the TPV glass guide groove sealing strip section structure diagrams of the present invention.
Fig. 3 is the TPV glass guide groove sealing strip use state diagrams of the present invention.
Fig. 4 is the glass guide groove sealing strip section structure variation comparison diagram of the present invention and the prior art.
Fig. 5 is the CLD curve graphs of the TPV glass guide groove sealing strips of the present invention.
Specific implementation mode
Patent of the present invention is described further below in conjunction with attached drawing.But the present invention is not limited solely to following implementation
Example.
Embodiment
As shown in Fig. 2 to 4：A kind of thermoplastic vulcanizates guide slot sealing strip structure of the present invention, the structure
Including sealing strip bottom 1, it is connect with bottom both ends, the left side of symmetrical setting 2 and right edge 3, the left side
It is connected with lobus sinister piece 4 and lobus dexter piece 5 with the end of right edge, the lobus sinister piece and the opposed, inwardly directed extension of lobus dexter piece (extend
Direction be substantially parallel with bottom to extend on the inside of sealing strip)；The junction position of the bottom and left side right edge
Sealing strip madial wall is provided with recessed hinge 6；The junction of the left side and lobus sinister piece and right edge and lobus dexter piece
Junction is located at sealing strip madial wall and is provided with strain slot 7.
Using the above structure, as a result of recessed hinge and strain slot, in the process that TPV glass guide groove sealing strips use
In, such as with glass and the continuous extrusion and collision of car door metal plate during, due to recessed hinge and strain slot setting so that each portion
The junction flexibility of part increases, and whole rigidity reduces, and to ensure that the elastic recovery of glass guide groove sealing strip, stablizes
Sealing effect；And the setting of above structure, since flex capability increases, in the leaf position of glass crush seal item,
It reduces rigid contact and improves flexible contact, to can also effectively avoid the wave of glass guide groove sealing strip blade from wrinkling,
Improve the quality of structural stability and integral sealing item.
As shown in Fig. 4：Bottom thickness of the present invention is thinned to the 80-90% of original thickness, the left side and
The thickness of right edge, lobus sinister piece and lobus dexter piece is thinned to the 90-95% of original thickness.Using the structure, can further decrease close
The rigidity of strip of paper used for sealing solves the defect and deficiency of existing sealing strip.Preferred embodiment can be by bottom as original shown in attached drawing 1
Portion's thickness is thinned to shown in attached drawing 2 to the 85% of original thickness；Can will be shown in attached drawing 1 original left side and right edge,
The thickness of lobus sinister piece and lobus dexter piece is thinned to shown in attached drawing 2 to the 92% of original thickness.
As shown in Fig. 4：It is of the present invention that being thinned for face where sealing strip madial wall is thinned；The setting can ensure
The appearance and size of entire sealing strip does not change, high with car door metal plate installation process fitness, and outside the sealing strip of prototype structure
Shape size is consistent, improves installation fitness, need not adjust to the size of car door metal plate.
As shown in attached 2-3：The recessed hinge is that arc-shaped and arc-shaped radius is 0.2-0.3 millimeters.The structure can
To realize that glass, with the flexible contact of sealing strip, reduces rigid contact during pushing.The strain slot is arc-shaped, and
Arc-shaped radius is 0.2-0.3 millimeters.The structure can increase local train, effectively change elastic recovery.This implementation
Example can set the arc-shaped radius to form recessed hinge as 0.25 millimeter, and the arc-shaped radius for forming strain slot is 0.25 milli
Rice.
As shown in Fig. 3, it is the glass guide groove sealing strip usage state diagram of the present invention, it is glass to be located above sealing strip
8, lifting process will produce squeezing action to sealing strip；And below the sealing strip it is the car door metal plate 9 of automobile；In upper and lower glass
Sealing strip plays the functions such as sealing, envelope, waterproof and dustproof, noise reduction, auxiliary lifting glass for vehicle window under the action of glass and car door metal plate.
The present invention madial wall refer to and the side wall where the sealing strip of glass contact；Sealing strip shape of the present invention
Size refers to the lateral surface overall size close to the sealing strip at the place of car door metal plate.
The present invention also provides a kind of preparation method of above-mentioned thermoplastic vulcanizates guide slot sealing strip structure, mistakes
Journey includes：
（1）As reference with the cross-sectional design of attached glass guide groove sealing strip shown in FIG. 1, keep section appearance and size constant；
（2）To the bottom wall thickness of sealing strip, left and right side wall is thick and left and right blade wall thickness is thinned；The wherein bottom of sealing strip
For wall thickness reduction to the 80-90% of original thickness, the thickness and left and right vane thickness of left and right side are thinned to the 90- of original thickness
95%；To reduce the rigidity of TPV glass guide groove sealing strips；
（3）Increase the recessed hinge that radius is 0.2-0.3 millimeters in the junction of left and right side and bottom simultaneously；In blade and side
Junction setting radius be 0.5-0.8 millimeter circular groove as strain slot；To obtain the sealing strip of final structure.
In engineer application, sprung back with compressive load（CLD）Curve characterizes the sealing performance of glass guide groove sealing strip.With
FEA methods obtain final products after the CLD curves before glass guide groove sealing strip replaces EPDM shapes to change with TPV and shape change
CLD curves, as shown in Figure 5, it can be seen that i.e. structure does not design change under same structure design as shown in Fig. 1
Before, with attached TPV glass guide groove sealing strips shown in FIG. 1 with higher CLD, maximum value reaches 11 N/100mm；But it ties
After structure optimization, i.e., attached TPV design structures shown in Fig. 2 of the invention can have approximation CLD with EPDM, and maximum value is only 7.5 N/
100mm。
Above example is only for illustrating that patent of the present invention is used, rather than the limitation to patent of the present invention, related technical field
Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of patent of the present invention, because
This all equivalent technical solution should also belong to the scope of patent of the present invention, should be limited by each claim.
Claims (6)
1. a kind of thermoplastic vulcanizates guide slot sealing strip structure, which includes sealing strip bottom, with bottom two
The end of end connection, the left side of symmetrical setting and right edge, the left side and right edge is connected with lobus sinister piece
With lobus dexter piece, the lobus sinister piece and the opposed, inwardly directed extension of lobus dexter piece；The junction position of the bottom and left side right edge
Sealing strip madial wall is provided with recessed hinge；The junction of the left side and lobus sinister piece and the company of right edge and lobus dexter piece
The place of connecing is located at sealing strip madial wall and is provided with strain slot.
2. thermoplastic vulcanizates guide slot sealing strip structure according to claim 1, it is characterised in that：It is described
Bottom thickness be thinned to the 80-90% of original thickness, the thickness of the left side and right edge, lobus sinister piece and lobus dexter piece subtracts
It is as thin as the 90-95% of original thickness.
3. thermoplastic vulcanizates guide slot sealing strip structure according to claim 2, it is characterised in that：It is described
Being thinned for where sealing strip madial wall face is thinned.
4. thermoplastic vulcanizates guide slot sealing strip structure according to claim 1, it is characterised in that：It is described
Recessed hinge be arc-shaped and arc-shaped radius be 0.2-0.3 millimeters.
5. thermoplastic vulcanizates guide slot sealing strip structure according to claim 1, it is characterised in that：It is described
Strain slot be arc-shaped and arc-shaped radius be 0.2-0.3 millimeters.
6. a kind of preparation method of thermoplastic vulcanizates guide slot sealing strip structure, it is characterised in that：Process includes：
（1）As reference with the cross-sectional design of attached glass guide groove sealing strip shown in FIG. 1, keep section appearance and size constant；
（2）To the bottom wall thickness of sealing strip, left and right side wall is thick and left and right blade wall thickness is thinned；The wherein bottom of sealing strip
For wall thickness reduction to the 80-90% of original thickness, the thickness and left and right vane thickness of left and right side are thinned to the 90- of original thickness
95%；To reduce the rigidity of TPV glass guide groove sealing strips
（3）Increase the recessed hinge that radius is 0.2-0.3 millimeters in the junction of left and right side and bottom simultaneously；In blade and side
Junction setting radius be 0.5-0.8 millimeter circular groove as strain slot；To obtain the sealing strip of final structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443620.0A CN108656909A (en) | 2018-05-10 | 2018-05-10 | Thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810443620.0A CN108656909A (en) | 2018-05-10 | 2018-05-10 | Thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108656909A true CN108656909A (en) | 2018-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810443620.0A Pending CN108656909A (en) | 2018-05-10 | 2018-05-10 | Thermoplastic vulcanizates guide slot sealing strip structure and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509293A (en) * | 1982-07-21 | 1985-04-09 | Ford Motor Company | Vehicle door, in particular for passenger motor car |
| CN1621259A (en) * | 2003-11-26 | 2005-06-01 | 丰田合成株式会社 | Glass run for vehicle |
| CN201338524Y (en) * | 2009-02-17 | 2009-11-04 | 河北新华欧亚汽配集团有限公司 | Seal strip for automobile glass guide groove |
| CN101670771A (en) * | 2008-09-10 | 2010-03-17 | 南通江洲工程材料科技有限公司 | Combined thermoplastic elastic body for automotive glass guide groove sealing strip and production method thereof |
| CN103723010A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Abrasion-resistant sealing strip of car sliding door |
| US20170210215A1 (en) * | 2009-07-17 | 2017-07-27 | Cooper-Standard Automotive Inc. | Co-extrued u-channel with integrated glassrun |
| CN206703915U (en) * | 2017-04-27 | 2017-12-05 | 长城汽车股份有限公司 | The car door and vehicle of vehicle |
-
2018
- 2018-05-10 CN CN201810443620.0A patent/CN108656909A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4509293A (en) * | 1982-07-21 | 1985-04-09 | Ford Motor Company | Vehicle door, in particular for passenger motor car |
| CN1621259A (en) * | 2003-11-26 | 2005-06-01 | 丰田合成株式会社 | Glass run for vehicle |
| CN101670771A (en) * | 2008-09-10 | 2010-03-17 | 南通江洲工程材料科技有限公司 | Combined thermoplastic elastic body for automotive glass guide groove sealing strip and production method thereof |
| CN201338524Y (en) * | 2009-02-17 | 2009-11-04 | 河北新华欧亚汽配集团有限公司 | Seal strip for automobile glass guide groove |
| US20170210215A1 (en) * | 2009-07-17 | 2017-07-27 | Cooper-Standard Automotive Inc. | Co-extrued u-channel with integrated glassrun |
| CN103723010A (en) * | 2013-12-06 | 2014-04-16 | 成都闿阳科技有限公司 | Abrasion-resistant sealing strip of car sliding door |
| CN206703915U (en) * | 2017-04-27 | 2017-12-05 | 长城汽车股份有限公司 | The car door and vehicle of vehicle |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181016 |
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| RJ01 | Rejection of invention patent application after publication |