CN113997875A - Novel electric automobile trunk clearance sealing strip structure - Google Patents
Novel electric automobile trunk clearance sealing strip structure Download PDFInfo
- Publication number
- CN113997875A CN113997875A CN202111305432.XA CN202111305432A CN113997875A CN 113997875 A CN113997875 A CN 113997875A CN 202111305432 A CN202111305432 A CN 202111305432A CN 113997875 A CN113997875 A CN 113997875A
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- Prior art keywords
- deformation angle
- sealing strip
- auxiliary
- angle
- auxiliary deformation
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- 238000007789 sealing Methods 0.000 title claims abstract description 81
- 239000000463 material Substances 0.000 claims description 17
- 239000006260 foam Substances 0.000 claims 1
- 239000002390 adhesive tape Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/06—Sealing strips
Abstract
The invention discloses a novel electric automobile trunk clearance sealing strip structure, wherein a sealing strip inner cavity is arranged in a sealing strip, and a main deformation angle and an auxiliary deformation angle are arranged in the sealing strip inner cavity; the main deformation angle is arranged corresponding to the stress direction of the sealing strip, and the angle of the main deformation angle is larger than that of the auxiliary deformation angle; the sealing strip has the advantages that the inner cavity of the sealing strip is in an oval shape under normal conditions, when the sealing strip deforms under action force, the sealing strip is diffused and deformed along the stress point, the sealing strip is poor in sound insulation effect, and the sealing strip is easy to fall off due to the fact that the sealing strip has multiple deformation directions and influences on adhesion of an adhesive tape and a vehicle body; when the automobile body sealing strip is acted by an acting force, the automobile body sealing strip can deform towards one direction only under the action of the main deformation angle and the auxiliary deformation angle, so that the influence of the automobile body sealing strip on the adhesion of the adhesive tape and an automobile body is weakened, and the noise outside the automobile can enter the interior of the automobile only through the whole sealing strip, so that the transmission of the noise is greatly weakened.
Description
Technical Field
The invention relates to the field of design and manufacture of automobile sealing strips, in particular to a novel electric automobile trunk gap sealing strip structure.
Background
Generally, a trunk clearance sealing strip of an electric automobile is bonded on an automobile body through an adhesive tape, a box cover and the sealing strip have certain interference amount, when the box cover compresses the sealing strip, the sealing strip deforms to play a sealing role and buffer the vibration of the box cover, so that rainwater and dust can be prevented from entering a carriage, and external noise can be prevented from being transmitted into the carriage; however, when the electric automobile runs at a high speed, external noise can enter the interior of the carriage through the trunk, so that the riding experience of the automobile is poor; in addition, the sealing strip is diffused and deformed along the stress point when stressed, and the bonding of the adhesive tape and the vehicle body is influenced, so that the adhesive tape can fall off sometimes, and the sealing strip falls off.
Disclosure of Invention
The novel electric automobile trunk gap sealing strip structure overcomes the defects of the prior art, and is simple in structure, reasonable in design, firm in assembly and better in sound insulation effect.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a novel electric automobile trunk clearance sealing strip structure is characterized in that a sealing strip inner cavity is arranged in a sealing strip, and a main deformation angle and an auxiliary deformation angle are arranged in the sealing strip inner cavity; the main deformation angle is arranged corresponding to the stress direction of the sealing strip, and the angle of the main deformation angle is larger than that of the auxiliary deformation angle.
Furthermore, the inner cavity of the sealing strip is in a quadrilateral shape and comprises a main deformation angle, a first auxiliary deformation angle, a second auxiliary deformation angle and a third auxiliary deformation angle; the main deformation angle and the second auxiliary deformation angle are located on the same side, the first auxiliary deformation angle and the third auxiliary deformation angle are located on the same side, the main deformation angle is arranged above the first auxiliary deformation angle, and the second auxiliary deformation angle is arranged above the third auxiliary deformation angle.
Furthermore, the sealing strip comprises a bubble tube part and a fixing part, wherein the bubble tube part and the fixing part are made of materials with different strengths, and the strength of the material of the bubble tube part is lower than that of the material of the fixing part; the inner cavity of the sealing strip is surrounded by a bubble tube part and a fixing part.
Further, the inner cavity of the sealing strip is arranged in the bubble tube part, the lower surface of the bubble tube part is provided with an opening, and the opening is sealed by the fixing part.
Furthermore, main deformation angle and the supplementary deformation angle of second set up in the sealing strip space and keep away from open-ended one side, and first supplementary deformation angle and the supplementary deformation angle of third set up in the sealing strip space and are close to open-ended one side, and the supplementary deformation angle of third sets up in bubble pipe part and fixed part and keeps away from the juncture.
Further, the angle of the main deformation angle is larger than 90 °, and the angle of the first auxiliary deformation angle is smaller than 90 °.
Further, the main deformation angle, the first auxiliary deformation angle, the second auxiliary deformation angle and the third auxiliary deformation angle are all transited by adopting cambered surfaces.
Furthermore, the inner cavity of the sealing strip is in an I shape, and a convex block is arranged between the main deformation angle and the second auxiliary deformation angle; the convex block is arranged on the inner surface of the sealing strip space and is convex towards the opening direction.
Furthermore, two ends of the bubble tube part corresponding to the opening area are respectively a first connecting end and a second connecting end, wherein one end close to the first auxiliary deformation angle is the first connecting end, and the other end is the second connecting end; one end of the fixed part is connected with the first connecting end, the upper surface of the fixed part is also provided with a connecting groove, and the second connecting end is arranged in the connecting groove and connected with the second connecting end; and a first groove is arranged on one side of the connecting groove close to the first connecting end, a second groove is arranged on the inner surface of the second connecting end, and the first groove is communicated with the second groove to form a third auxiliary deformation angle.
Furthermore, the bubble tube part is made of EPDM65 material, and the fixing part is made of EPDM80 material.
The invention has the beneficial effects that:
the sealing strip has the advantages that the inner cavity of the sealing strip is in an oval shape under normal conditions, when the sealing strip deforms under action force, the sealing strip is diffused and deformed along the stress point, the sealing strip is poor in sound insulation effect, and the sealing strip is easy to fall off due to the fact that the sealing strip has multiple deformation directions and influences on adhesion of an adhesive tape and a vehicle body; in the invention, because the main deformation angle and the auxiliary deformation angle are arranged, and the angle of the main deformation angle is larger than that of the auxiliary deformation angle, when the automobile is subjected to acting force, the automobile is deformed towards one direction, so that the influence of the automobile on the adhesion of the adhesive tape and the automobile body is weakened, and the noise outside the automobile can enter the automobile only by passing through the whole sealing strip, thereby greatly weakening the transmission of the noise.
In the invention, the inner cavity of the sealing strip is in a quadrilateral shape, so that when the sealing strip is deformed under stress, the angle of the main deformation angle is increased, the angles of the first auxiliary deformation angle and the second auxiliary deformation angle are driven to be decreased, and the angle of the third auxiliary deformation angle is driven to be increased, thereby realizing that the sealing strip is deformed towards one direction.
The sealing strip comprises a bubble tube part and a fixing part, and the strength of the material adopted by the bubble tube part is lower than that of the material adopted by the fixing part, so that the deformation of the fixing part is reduced after the hardness of the fixing part is increased, and the bonding influence of the bubble tube deformation on the adhesive tape and the vehicle body is reduced.
The main deformation angle, the first auxiliary deformation angle, the second auxiliary deformation angle and the third auxiliary deformation angle are all transited by adopting cambered surfaces; when the deformation mechanism is deformed, acting forces applied to the main deformation angle, the first auxiliary deformation angle, the second auxiliary deformation angle and the third auxiliary deformation angle can be more uniformly distributed to the whole deformation mechanism, so that the service life of the deformation mechanism is longer.
Drawings
Fig. 1 is a view showing an overall installation structure of the present invention.
Fig. 2 is a view showing the structure of the weather strip.
FIG. 3 is a cross-sectional view of the sealing tape.
Fig. 4 is a partial sectional view of the bulb.
Fig. 5 is a sectional view of a fixing portion.
Reference numbers in the figures:
1. a sealing strip; 2. the inner cavity of the sealing strip; 3. a bulb section; 4. a fixed portion; 5. an opening; 6. a vehicle body; 7. an adhesive tape; 8. a box cover; 21. a main deformation angle; 22. auxiliary deformation angle; 23. a first auxiliary deformation angle; 24. a second auxiliary deformation angle; 25. a third auxiliary deformation angle; 31. a bump; 32. a first connection end; 33. a second connection end; 34. a second groove; 41. connecting grooves; 42. a first groove.
Detailed Description
The invention is further described with reference to the following figures and specific examples. It should be noted that the examples are only for specifically illustrating the present invention, and the purpose thereof is to make the technical solution of the present invention better understood by those skilled in the art, and should not be construed as limiting the present invention.
Example (b):
as shown in fig. 1-5, a novel electric automobile trunk clearance seal strip 1 structure is provided, wherein a seal strip inner cavity 2 is arranged in the seal strip 1, and a main deformation angle 21 and an auxiliary deformation angle 22 are arranged in the seal strip inner cavity 2; the main deformation angle 21 is arranged corresponding to the stress direction of the sealing strip 1, and the angle of the main deformation angle 21 is larger than that of the auxiliary deformation angle 22; under a common condition, the inner cavity 2 of the sealing strip is elliptical, when the sealing strip deforms under an acting force, the sealing strip diffuses and deforms along the stressed point, so that the sealing strip 1 is poor in sound insulation effect, and the sealing strip 1 is easy to fall off due to the fact that the sealing strip 1 has a plurality of deformation directions and influences the bonding of the adhesive tape 7 and the vehicle body 6; in the invention, because the main deformation angle 21 and the auxiliary deformation angle 22 are arranged, and the angle of the main deformation angle 21 is larger than that of the auxiliary deformation angle 22, when the invention is applied with force, the invention can deform towards one direction only, so that the influence of the invention on the adhesion of the adhesive tape 7 and the vehicle body 6 is weakened, and the noise outside the vehicle can enter the vehicle interior only by passing through the whole sealing strip 1, which greatly weakens the transmission of the noise.
The sealing strip 1 comprises a bubble tube part 3 and a fixing part 4, wherein the bubble tube part 3 and the fixing part 4 are made of materials with different strengths, and the strength of the material of the bubble tube part 3 is lower than that of the material of the fixing part 4; the inner cavity 2 of the sealing strip is formed by enclosing a bubble tube part 3 and a fixing part 4; in the embodiment, the bubble tube part 3 is made of EPDM65 material, and the fixed part 4 is made of EPDM80 material; so that the deformation is reduced after the hardness of the fixing portion 4 is increased, and the influence of the deformation of the bubble tube on the adhesion of the adhesive tape 7 to the vehicle body 6 is reduced.
The sealing strip inner cavity 2 is in a quadrilateral shape and comprises a main deformation angle 21, a first auxiliary deformation angle 23, a second auxiliary deformation angle 24 and a third auxiliary deformation angle 25; the main deformation angle 21 and the second auxiliary deformation angle 24 are on the same side, the first auxiliary deformation angle 23 and the third auxiliary deformation angle 25 are on the same side, the main deformation angle 21 is arranged above the first auxiliary deformation angle 23, and the second auxiliary deformation angle 24 is arranged above the third auxiliary deformation angle 25; therefore, when the sealing strip is deformed under stress, the angle of the main deformation angle 21 is increased, the angles of the first auxiliary deformation angle 23 and the second auxiliary deformation angle 24 are reduced, and the angle of the third auxiliary deformation angle 25 is increased, so that the sealing strip 1 is deformed towards one direction.
The sealing strip inner cavity 2 is arranged in the bubble tube part 3, the lower surface of the bubble tube part 3 is provided with an opening 5, and the opening 5 is closed by the fixing part 4; in the embodiment, the sealing strip inner cavity 2 is in an "i" shape, the main deformation angle 21 and the second auxiliary deformation angle 24 are arranged on one side of the sealing strip 1, which is far away from the opening 5, in space, the first auxiliary deformation angle 23 and the third auxiliary deformation angle 25 are arranged on one side of the sealing strip 1, which is near to the opening 5, in space, and the third auxiliary deformation angle 25 is arranged at a position, which is far away from a junction, of the bubble tube part 3 and the fixing part 4; a lug 31 is arranged between the main deformation angle 21 and the second auxiliary deformation angle 24; the convex block 31 is arranged on the inner surface of the space of the sealing strip 1, and the convex block 31 is convex towards the opening 5; the arrangement of the bump 31 enables the structural strength of the bubble tube part 3 to be higher, and can further buffer the vibration of the box cover 8, so that the influence of abnormal sound generated by the vibration of the box cover 8 on the riding experience of people in the vehicle is avoided; the convex block 31 is arranged between the main deformation angle 21 and the second auxiliary deformation angle 24, so that when the box cover 8 acts on the box cover, the convex block 31 firstly moves in one direction under the pushing of the acting force and drives the whole box cover to deform in one direction; the two ends of the bubble tube part 3 corresponding to the area of the opening 5 are respectively a first connecting end 32 and a second connecting end 33, wherein one end close to the first auxiliary deformation angle 23 is the first connecting end 32, and the other end is the second connecting end 33; one end of the fixed part 4 is connected with the first connecting end 32, a connecting groove 41 is further arranged on the upper surface of the fixed part 4, and the second connecting end 33 is arranged in the connecting groove 41 and connected with the second connecting end 33; a first groove 42 is formed on one side of the connecting groove 41 close to the first connecting end 32, a second groove 34 is formed on the inner surface of the second connecting end 33, and the first groove 42 and the second groove 34 are communicated to form a third auxiliary deformation angle 25.
Typically, the angle of the main deformation angle 21 is greater than 90 ° and the angle of the first auxiliary deformation angle 23 is less than 90 °; facilitating the deformation of the invention.
In the present embodiment, the main deformation angle 21, the first auxiliary deformation angle 23, the second auxiliary deformation angle 24 and the third auxiliary deformation angle 25 are all transited by using arc surfaces; when the invention is deformed, the acting forces applied to the main deformation angle 21, the first auxiliary deformation angle 23, the second auxiliary deformation angle 24 and the third auxiliary deformation angle 25 can be more uniformly distributed to the whole invention, so that the service life of the invention is longer.
It should be noted that other technical solutions of the present invention are all the prior art, and therefore, are not described in detail.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (10)
1. A novel electric automobile trunk clearance sealing strip structure is characterized in that a sealing strip inner cavity is formed in a sealing strip, and a main deformation angle and an auxiliary deformation angle are formed in the sealing strip inner cavity; the main deformation angle is arranged corresponding to the stress direction of the sealing strip, and the angle of the main deformation angle is larger than that of the auxiliary deformation angle.
2. The novel electric automobile trunk clearance seal strip structure as claimed in claim 1, wherein the seal strip inner cavity is quadrilateral, and comprises a main deformation angle, a first auxiliary deformation angle, a second auxiliary deformation angle and a third auxiliary deformation angle; the main deformation angle and the second auxiliary deformation angle are located on the same side, the first auxiliary deformation angle and the third auxiliary deformation angle are located on the same side, the main deformation angle is arranged above the first auxiliary deformation angle, and the second auxiliary deformation angle is arranged above the third auxiliary deformation angle.
3. The novel electric automobile trunk clearance seal strip structure as claimed in claim 1, wherein the seal strip comprises a bubble tube part and a fixing part, the bubble tube part and the fixing part are made of materials with different strengths, and the strength of the material of the bubble tube part is lower than that of the material of the fixing part; the inner cavity of the sealing strip is surrounded by a bubble tube part and a fixing part.
4. The novel electric automobile trunk clearance seal strip structure of claim 3, wherein the seal strip inner cavity is arranged in the bubble tube part, an opening is arranged on the lower surface of the bubble tube part, and the opening is closed by the fixing part.
5. The novel electric automobile trunk clearance seal strip structure of claim 4, characterized in that, main deformation angle and second auxiliary deformation angle are arranged on one side of the seal strip space away from the opening, first auxiliary deformation angle and third auxiliary deformation angle are arranged on one side of the seal strip space close to the opening, and third auxiliary deformation angle is arranged on the joint of the bubble tube part and the fixed part away from the bubble tube part and the fixed part.
6. The novel electric automobile trunk clearance seal strip structure of claim 5, wherein the angle of the main deformation angle is greater than 90 degrees, and the angle of the first auxiliary deformation angle is less than 90 degrees.
7. The novel electric automobile trunk clearance seal strip structure of claim 2, characterized in that the main deformation angle, the first auxiliary deformation angle, the second auxiliary deformation angle and the third auxiliary deformation angle are all transferred by adopting cambered surfaces.
8. The novel electric automobile trunk clearance seal strip structure as claimed in claim 2, wherein the seal strip inner cavity is in an I shape, and a bump is arranged between the main deformation angle and the second auxiliary deformation angle; the convex block is arranged on the inner surface of the sealing strip space and is convex towards the opening direction.
9. The novel electric automobile trunk clearance seal strip structure as claimed in claim 4, wherein the two ends of the bubble tube portion corresponding to the opening region are respectively a first connecting end and a second connecting end, wherein one end close to the first auxiliary deformation angle is the first connecting end, and the other end is the second connecting end; one end of the fixed part is connected with the first connecting end, the upper surface of the fixed part is also provided with a connecting groove, and the second connecting end is arranged in the connecting groove and connected with the second connecting end; and a first groove is arranged on one side of the connecting groove close to the first connecting end, a second groove is arranged on the inner surface of the second connecting end, and the first groove is communicated with the second groove to form a third auxiliary deformation angle.
10. The novel electric automobile trunk clearance seal structure of claim 3, wherein the foam tube part is made of EPDM65 material, and the fixing part is made of EPDM80 material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305432.XA CN113997875A (en) | 2021-11-05 | 2021-11-05 | Novel electric automobile trunk clearance sealing strip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305432.XA CN113997875A (en) | 2021-11-05 | 2021-11-05 | Novel electric automobile trunk clearance sealing strip structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113997875A true CN113997875A (en) | 2022-02-01 |
Family
ID=79928052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111305432.XA Pending CN113997875A (en) | 2021-11-05 | 2021-11-05 | Novel electric automobile trunk clearance sealing strip structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113997875A (en) |
Citations (20)
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|---|---|---|---|---|
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| JP2003081024A (en) * | 2001-09-14 | 2003-03-19 | Toyoda Gosei Co Ltd | Weather strip for automobile |
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| JP2008273277A (en) * | 2007-04-26 | 2008-11-13 | Kinugawa Rubber Ind Co Ltd | Welt for automobile and its fitting structure, and weather strip for automobile using the welt |
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| US20170021707A1 (en) * | 2015-07-24 | 2017-01-26 | Nishikawa Rubber Co., Ltd. | Weather strip for automobile |
| CN109571821A (en) * | 2018-11-19 | 2019-04-05 | 建新赵氏集团有限公司 | A kind of die mold desing method with EPDM sponge calymma pipe compound sealing strip |
| CN110171280A (en) * | 2018-02-19 | 2019-08-27 | 西川橡胶工业股份有限公司 | Weather strip for automobile |
| JP2020116661A (en) * | 2019-01-22 | 2020-08-06 | 化成工業株式会社 | Sound absorbing material insertion device and sound absorbing material insertion method |
| KR102163019B1 (en) * | 2019-08-19 | 2020-10-07 | 유일고무 주식회사 | Door weather stripe for vehicle |
| CN112124056A (en) * | 2020-10-19 | 2020-12-25 | 建新赵氏科技有限公司 | double-C-shaped sealing strip structure |
| CN213920637U (en) * | 2020-12-28 | 2021-08-10 | 诺博橡胶制品有限公司 | Door frame strip and vehicle |
| CN216300990U (en) * | 2021-11-05 | 2022-04-15 | 建新赵氏科技有限公司 | Novel electric automobile trunk clearance sealing strip structure |
-
2021
- 2021-11-05 CN CN202111305432.XA patent/CN113997875A/en active Pending
Patent Citations (20)
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| JPS63232050A (en) * | 1987-03-19 | 1988-09-28 | Kinugawa Rubber Ind Co Ltd | Seal member for automobile |
| US5038521A (en) * | 1989-06-21 | 1991-08-13 | Draftex Industries Limited | Sealing strips |
| KR19980022015A (en) * | 1996-09-20 | 1998-06-25 | 김영귀 | Sealing structure between door and pillar |
| JP2003081024A (en) * | 2001-09-14 | 2003-03-19 | Toyoda Gosei Co Ltd | Weather strip for automobile |
| WO2004082974A1 (en) * | 2003-03-18 | 2004-09-30 | Meteor Gummiwerke K.H. Bädje GmbH & Co. KG | Sealing strip for a vehicle frame structure |
| JP2004322984A (en) * | 2003-04-30 | 2004-11-18 | Kinugawa Rubber Ind Co Ltd | Drip weather strip |
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| JP2008273277A (en) * | 2007-04-26 | 2008-11-13 | Kinugawa Rubber Ind Co Ltd | Welt for automobile and its fitting structure, and weather strip for automobile using the welt |
| JP2010137741A (en) * | 2008-12-12 | 2010-06-24 | Toyoda Gosei Co Ltd | Weatherstrip |
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| JP2020116661A (en) * | 2019-01-22 | 2020-08-06 | 化成工業株式会社 | Sound absorbing material insertion device and sound absorbing material insertion method |
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| CN112124056A (en) * | 2020-10-19 | 2020-12-25 | 建新赵氏科技有限公司 | double-C-shaped sealing strip structure |
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