CN113997875B - Novel electric automobile trunk clearance sealing strip structure - Google Patents
Novel electric automobile trunk clearance sealing strip structure Download PDFInfo
- Publication number
- CN113997875B CN113997875B CN202111305432.XA CN202111305432A CN113997875B CN 113997875 B CN113997875 B CN 113997875B CN 202111305432 A CN202111305432 A CN 202111305432A CN 113997875 B CN113997875 B CN 113997875B
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- deformation angle
- sealing strip
- auxiliary
- angle
- auxiliary deformation
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- 238000007789 sealing Methods 0.000 title claims abstract description 90
- 239000000463 material Substances 0.000 claims description 15
- 239000002390 adhesive tape Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000003313 weakening effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seal Device For Vehicle (AREA)
Abstract
The invention discloses a novel electric automobile trunk clearance sealing strip structure, wherein a sealing strip inner cavity is arranged in the 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 shape of the inner cavity of the sealing strip is elliptical under the general condition, and the sealing strip is diffused and deformed along the stress points when the sealing strip is deformed under the action of the acting force, so that the sealing strip has poor sound insulation effect, and the sealing strip is easy to fall off due to the influence of the plurality of deformation directions of the sealing strip on the adhesion of the adhesive tape and the vehicle body; when the invention receives acting force, the invention deforms towards one direction under the action of the main deformation angle and the auxiliary deformation angle, so that the influence of the adhesive tape on the adhesion of the adhesive tape and the vehicle body is weakened, and the noise outside the vehicle can enter the vehicle through the whole sealing strip, thereby greatly weakening the transmission of the noise.
Description
Technical Field
The invention relates to the field of design and manufacture of automobile sealing strips, in particular to a novel gap sealing strip structure of an electric automobile trunk.
Background
In general, a gap sealing strip of a trunk of an electric automobile is adhered to a car body through an adhesive tape, a certain interference amount exists between a box cover and the sealing strip, and when the box cover compresses the sealing strip, the sealing strip deforms to play a role in sealing and buffering vibration of the box cover, so that rainwater and dust can be prevented from entering a car, and external noise can be prevented from being transmitted into the car; however, when the electric automobile runs at a high speed, external noise can enter the carriage through the trunk, so that the riding experience of the automobile is poor; in addition, when the sealing strip is stressed, the sealing strip is diffused and deformed along the stressed point, so that the adhesive tape and the vehicle body are affected, the adhesive tape can sometimes fall off, and the sealing strip is further caused to fall off.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides the novel gap sealing strip structure of the trunk of the electric automobile, which has the advantages of simple structure, reasonable design, firm assembly and better sound insulation effect.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the novel electric automobile trunk gap 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 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.
Further, 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 positioned on the same side, the first auxiliary deformation angle and the third auxiliary deformation angle are positioned 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.
Further, the sealing strip comprises a bubble pipe part and a fixing part, wherein the bubble pipe part and the fixing part are made of materials with different strengths, and the strength of the materials adopted by the bubble pipe part is lower than that of the materials adopted by the fixing part; the inner cavity of the sealing strip is formed by surrounding a bubble pipe part and a fixing part.
Further, the inner cavity of the sealing strip is arranged in the bubble tube part, an opening is formed in the lower surface of the bubble tube part, and the opening is closed by the fixing part.
Further, the main deformation angle and the second auxiliary deformation angle are arranged on one side, far away from the opening, of the sealing strip space, the first auxiliary deformation angle and the third auxiliary deformation angle are arranged on one side, close to the opening, of the sealing strip space, and the third auxiliary deformation angle is arranged on the junction between the bubble tube part and the fixing part.
Further, the angle of the main deformation angle is greater than 90 °, and the angle of the first auxiliary deformation angle is less 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.
Further, the inner cavity of the sealing strip is in an I shape, and a bump is arranged between the main deformation angle and the second auxiliary deformation angle; the lug is arranged on the inner surface of the sealing strip space, and the lug protrudes towards the opening direction.
Further, 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; a first groove is formed in one side, close to the first connecting end, of the connecting groove, a second groove is formed in the inner surface of the second connecting end, and the first groove and the second groove are communicated to form a third auxiliary deformation angle.
Further, the foam tube part is made of EPDM65 material, and the fixing part is made of EPDM80 material.
The beneficial effects of the invention are as follows:
The shape of the inner cavity of the sealing strip is elliptical under the general condition, and the sealing strip is diffused and deformed along the stress points when the sealing strip is deformed under the action of the acting force, so that the sealing strip has poor sound insulation effect, and the sealing strip is easy to fall off due to the influence of the plurality of deformation directions of the sealing strip on the adhesion of the adhesive tape and the vehicle body; in the invention, as the main deformation angle and the auxiliary deformation angle are arranged, and the angle of the main deformation angle is larger than the angle of the auxiliary deformation angle, when the automobile is acted by acting force, the automobile is deformed only towards one direction, so that the influence of the adhesive tape on the adhesion of the automobile body is weakened, and the noise outside the automobile can enter the automobile through the whole sealing strip, so that the transmission of the noise is greatly weakened.
According to the invention, the inner cavity of the sealing strip is in a quadrilateral shape, so that when the sealing strip is stressed and deformed, 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 reduced, and the angle of the third auxiliary deformation angle is driven to be increased, so that the deformation of the sealing strip towards one direction is realized.
The sealing strip comprises a foam tube part and a fixing part, wherein the strength of the material adopted by the foam tube part is lower than that of the material adopted by the fixing part, so that the deformation is reduced after the hardness of the fixing part is increased, and the influence of the foam tube deformation on the adhesion of 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 invention is deformed, the acting forces born by 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 invention, so that the service life of the invention is longer.
Drawings
Fig. 1 is a view showing the overall installation structure of the present invention.
Fig. 2 is a structural view of the weather strip.
Fig. 3 is a cross-sectional view of the sealing strip.
Fig. 4 is a partial cross-sectional view of a bubble vial.
Fig. 5 is a sectional view of a fixing portion.
Reference numerals in the drawings:
1. a sealing strip; 2. an inner cavity of the sealing strip; 3. a bubble tube portion; 4. a fixing portion; 5. an opening; 6. a vehicle body; 7. an adhesive tape; 8. a case 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. a connecting groove; 42. a first groove.
Detailed Description
The invention will be further described with reference to the drawings and specific examples. It should be noted that the examples are only specific to the present invention and are for the purpose of better understanding of the technical solutions of the present invention to those skilled in the art, and should not be construed as limiting the present invention.
Examples:
As shown in fig. 1-5, in the structure of a novel electric car trunk gap sealing strip 1, a sealing strip inner cavity 2 is arranged in the sealing strip 1, and a main deformation angle 21 and an auxiliary deformation angle 22 are arranged in the sealing 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; the shape of the inner cavity 2 of the sealing strip is elliptical under the normal condition, and the sealing strip is diffused and deformed along the stress points when the sealing strip is deformed under the action of the acting force, so that the sound insulation effect of the sealing strip 1 is poor, and the sealing strip 1 is easy to fall off due to the influence on the adhesion of the adhesive tape 7 and the vehicle body 6 due to the fact that the sealing strip 1 has a plurality of deformation directions; in the present invention, since the main deformation angle 21 and the auxiliary deformation angle 22 are provided, and the angle of the main deformation angle 21 is larger than the angle of the auxiliary deformation angle 22, when the present invention receives an acting force, deformation is performed only in one direction, so that the influence of the adhesive tape 7 on the adhesion of the vehicle body 6 is weakened, and noise outside the vehicle can enter the vehicle through the whole sealing strip 1, which greatly weakens the transmission of the noise.
The sealing strip 1 comprises a bubble pipe part 3 and a fixing part 4, wherein the bubble pipe part 3 and the fixing part 4 are made of materials with different strengths, and the strength of the material adopted by the bubble pipe part 3 is lower than that of the material adopted by the fixing part 4; the sealing strip inner cavity 2 is formed by enclosing a bubble pipe part 3 and a fixing part 4; in this embodiment, the foam tube portion 3 is made of EPDM65 material, and the fixing portion 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 bubble tube deformation on the adhesion of the adhesive tape 7 to the vehicle body 6 is reduced.
The inner cavity 2 of the sealing strip 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 positioned on the same side, the first auxiliary deformation angle 23 and the third auxiliary deformation angle 25 are positioned 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 the force of the invention, 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 driven to be reduced, and the angle of the third auxiliary deformation angle 25 is driven to be increased, so that the deformation of the sealing strip 1 towards one direction is realized.
The sealing strip inner cavity 2 is arranged in the bubble tube part 3, an opening 5 is arranged on the lower surface of the bubble tube part 3, and the opening 5 is closed by the fixing part 4; in this 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 disposed on a side of the space of the sealing strip 1 away from the opening 5, the first auxiliary deformation angle 23 and the third auxiliary deformation angle 25 are disposed on a side of the space of the sealing strip 1 near the opening 5, and the third auxiliary deformation angle 25 is disposed on a junction between the bubble tube portion 3 and the fixing portion 4; a bump 31 is provided between the main deformation angle 21 and the second auxiliary deformation angle 24; the convex blocks 31 are arranged on the inner surface of the space of the sealing strip 1, and the convex blocks 31 are protruded towards the opening 5; the bump 31 is arranged to enable the structural strength of the bubble tube part 3 to be larger, and further buffer vibration of the box cover 8, so that abnormal sound generated by vibration of the box cover 8 is prevented from affecting riding experience of people in the vehicle; the protruding block 31 is arranged between the main deformation angle 21 and the second auxiliary deformation angle 24, so that when the invention is acted by the acting force of the box cover 8, the protruding block 31 moves towards one direction under the pushing of the acting force and drives the whole body of the invention to deform towards one direction; the two ends of the bubble tube part 3 corresponding to the area of the opening 5 are respectively provided with a first connecting end 32 and a second connecting end 33, wherein one end close to the first auxiliary deformation angle 23 is provided with the first connecting end 32, and the other end is provided with 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 formed in 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 provided in the side of the connecting groove 41 adjacent to the first connecting end 32, and a second groove 34 is provided in the inner surface of the second connecting end 33, the first groove 42 and the second groove 34 communicating to form the 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 present invention.
In this 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 all adopt cambered surfaces for transition; when the invention is deformed, the acting forces born by 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, so they are not described in detail.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the concept of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the present invention.
Claims (4)
1. A novel electric car trunk gap sealing strip structure is characterized in that,
A sealing strip inner cavity is arranged in the 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 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 positioned on the same side, the first auxiliary deformation angle and the third auxiliary deformation angle are positioned 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;
The sealing strip comprises a bubble pipe part and a fixing part, wherein the bubble pipe part and the fixing part are made of materials with different strengths, and the strength of the material adopted by the bubble pipe part is lower than that of the material adopted by the fixing part; the inner cavity of the sealing strip is formed by enclosing a bubble pipe part and a fixed part;
The inner cavity of the sealing strip is arranged in the bubble pipe part, an opening is formed in the lower surface of the bubble pipe part, and the opening is closed by the fixing part;
The main deformation angle and the second auxiliary deformation angle are arranged on one side, far away from the opening, of the sealing strip space, the first auxiliary deformation angle and the third auxiliary deformation angle are arranged on one side, close to the opening, of the sealing strip space, and the third auxiliary deformation angle is arranged on the junction between the bubble tube part and the fixing part;
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.
2. The novel electric automobile trunk clearance sealing strip structure of claim 1 is 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 transited by adopting cambered surfaces.
3. The novel electric automobile trunk clearance sealing strip structure of claim 1 is characterized in that,
The inner cavity of the sealing strip is I-shaped, and a bump is arranged between the main deformation angle and the second auxiliary deformation angle; the lug is arranged on the inner surface of the sealing strip space, and the lug protrudes towards the opening direction.
4. The novel electric automobile trunk clearance sealing strip structure of claim 1 is characterized in that,
The 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; a first groove is formed in one side, close to the first connecting end, of the connecting groove, a second groove is formed in the inner surface of the second connecting end, and the first groove and the second groove are communicated to form a third auxiliary deformation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111305432.XA CN113997875B (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 CN113997875B (en) | 2021-11-05 | 2021-11-05 | Novel electric automobile trunk clearance sealing strip structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113997875A CN113997875A (en) | 2022-02-01 |
| CN113997875B true CN113997875B (en) | 2024-05-24 |
Family
ID=79928052
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111305432.XA Active CN113997875B (en) | 2021-11-05 | 2021-11-05 | Novel electric automobile trunk clearance sealing strip structure |
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| CN (1) | CN113997875B (en) |
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| CN113997875A (en) | 2022-02-01 |
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