CN217197730U

CN217197730U - High-toughness anti-aging automobile sealing strip

Info

Publication number: CN217197730U
Application number: CN202221000020.5U
Authority: CN
Inventors: 陆波
Original assignee: Suzhou Yatian New Material Technology Co ltd
Current assignee: Suzhou Yatian New Material Technology Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-08-16
Anticipated expiration: 2032-04-27

Abstract

The utility model provides an ageing-resistant automobile sealing strip of high tenacity, belong to the synthetic technique and the new material preparation technical field of rubber of novel rubber, including the sealing rubber strip, seal one, seal two, steel skeleton and star support frame, the cross-section of sealing rubber strip is the U type, the one end of sealing rubber strip is equipped with U type opening, seal one sets up on the lateral wall that sealing rubber strip is relative with U type opening, seal two sets up on the sealing rubber strip with be equipped with a seal adjacent lateral wall, the cross-section of steel skeleton is the U type, in the steel skeleton embedding sealing rubber strip, star support frame sets up in seal one. The utility model discloses an ageing-resistant automobile sealing strip of high tenacity, the two double seal structure that form of seal one and seal to be equipped with skeleton and support frame on sealed body one and sealing rubber strip respectively, make the sealing strip toughness reinforcing in long-term use, avoided yielding problem under long-term atress condition, make automobile sealing strip quality have great improvement.

Description

High-toughness anti-aging automobile sealing strip

Technical Field

The utility model belongs to the technical field of the synthesis technology of novel rubber and new material of rubber preparation, specifically, relate to an ageing-resistant automobile sealing strip of high tenacity.

Background

The automobile sealing strip is one of important parts of an automobile, is widely used for parts such as automobile doors, automobile windows, automobile bodies, skylights, engine cases, trunk (trunk) boxes and the like, has the functions of sound insulation, dust prevention, seepage prevention and shock absorption, and can maintain and maintain the small environment in the automobile, thereby playing an important role in protecting passengers, electromechanical devices and accessories in the automobile.

The automobile door sealing strip is arranged on an automobile door and used for sealing the automobile door of an automobile, and determines the air tightness, the sound insulation performance, the waterproof performance, the dustproof performance and the like in the automobile, and the quality of the sealing performance is directly related to the NVH performance of the whole automobile. The sealing strip of the vehicle door not only needs to ensure good sealing performance, but also needs to bear the impact force when the door is closed, so that the sealing strip has certain elasticity and toughness.

However, the automobile sealing strip is after long-term use, and the number of times of friction that receives is more, thereby long-time use can lead to the sealing strip to appear becoming flexible can not with the inseparable laminating of car, this can influence the waterproof performance of vehicle to current joint strip toughness is relatively poor, and in the region that temperature is lower, the cracked condition can appear in current automobile sealing strip, this leakproofness that leads to the car receives the influence.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing an ageing-resistant automobile sealing strip of high tenacity has solved the automobile sealing strip among the prior art and has used the hand for a long time, and easy atress warp causes the problem that sealing performance reduces.

The technical scheme is as follows: the utility model provides an ageing-resistant automobile sealing strip of high tenacity, including sealing rubber strip, seal one, seal two, steel skeleton and star support frame, sealing rubber strip's cross-section is the U type to sealing rubber strip's one end is equipped with U type opening, seal one sets up on sealing rubber strip lateral wall relative with U type opening, seal two sets up on sealing rubber strip and be equipped with the adjacent lateral wall of seal one, the cross-section of steel skeleton is the U type to in steel skeleton embedding sealing rubber strip, star support frame sets up in seal one. The utility model discloses an ageing-resistant automobile sealing strip of high tenacity, the two double seal structure that form of seal one and seal to be equipped with skeleton and support frame on sealed body one and sealing rubber strip respectively, make the sealing strip toughness reinforcing in long-term use, avoided yielding problem under long-term atress condition, make automobile sealing strip quality have great improvement.

Further, foretell high tenacity ageing-resistant automotive sealing strip, be equipped with gasket one and gasket two on two relative inner walls of U type open-ended respectively, gasket one and the crisscross setting of gasket two, gasket one and the slope of gasket two set up to gasket one and the two inclines to one side slope of U type opening bottom surface of gasket. The sealing teeth arranged can be tightly attached to the mounting position of the sealing strip, so that the sealing performance is improved.

Further, foretell high tenacity ageing-resistant automotive sealing strip, the sealing rubber strip is equipped with U type open-ended both ends and is equipped with sealed separation blade one and sealed separation blade two respectively, sealed separation blade one and the slope of sealed separation blade two set up to sealed separation blade one and sealed separation blade two are the same with gasket one and gasket two slope direction. The stacking structure is formed by the sealing separation blade I, the sealing separation blade II, the sealing sheet I and the sealing sheet, the stacking structure is arranged in an inclined mode, the deformation preventing capacity is certain, and multiple waterproof performance is achieved.

Further, foretell high tenacity ageing-resistant automobile sealing strip, seal one is including seal body one and seal body two, the sectional area of seal body one is greater than the interface of seal body two and connects, the one end of seal body one and the outer wall fixed connection of sealing rubber strip, seal body two is connected with seal body one, seal body one and seal body two are calabash shape setting to be equipped with calabash shape cavity between seal body one and the seal body two, star support frame sets up in calabash shape cavity. The gradually-transitional sealing structure improves the sealing performance and can avoid leakage.

Further, foretell high tenacity ageing-resistant automotive sealing strip, the star support frame includes triangle-shaped support frame and a set of backing sheet, a set of backing sheet sets up the three bight position department at triangle-shaped support frame outer wall to the bight position department of triangle-shaped support frame all is equipped with two backing sheets, two backing sheets of the same bight position department of triangle-shaped support frame are the V type setting, the tip that triangle-shaped support frame was kept away from to the backing sheet contacts with the inner wall of calabash shape cavity. A triangular support frame is used as a support base, and a group of support pieces play a role in opening the gourd-shaped cavity.

Furthermore, according to the high-toughness anti-aging automobile sealing strip, the first bending part which is sunken into the gourd-shaped cavity is arranged at the connecting position between the first sealing body and the second sealing body.

Further, foretell high tenacity ageing-resistant automobile sealing strip, seal two includes fan-shaped sealing body three, sealing substrate, U type sealing body four and U type sealing body five, sealing substrate and sealing rubber strip's outer wall fixed connection, U type sealing body four's one end and sealing substrate are connected to U type sealing body four's the other end and the five one end of U type sealing body are connected, U type sealing body five's the other end and fan-shaped sealing body three are connected, be equipped with cavity two between fan-shaped sealing body three, sealing substrate, U type sealing body four and the U type sealing body five, be equipped with the connecting band between sealing substrate and the outer wall of sealing rubber strip.

Furthermore, the U-shaped bending of the fourth U-shaped sealing body bends towards the outer side far away from the second cavity, and the U-shaped bending of the fifth U-shaped sealing body bends towards the inner part of the second cavity. The U-shaped sealing body IV and the U-shaped sealing body V form a transition structure which is convex and concave, so that the whole elastic deformation of the sealing body II is good.

Further, foretell high tenacity ageing-resistant car sealing strip, the connecting band includes connection substrate, a set of connection piece one and a set of connection piece two, connection substrate is connected with sealing substrate and sealing rubber strip's junction, a set of connection piece one and a set of connection piece two set up respectively in connection substrate's both sides to a set of connection piece one and a set of connection piece two all are connected with connection substrate, a set of connection piece one and a set of connection piece two are the fish bone shape and set up, connection piece one sets up between connection substrate and sealing rubber strip, connection piece two sets up between connection substrate and sealing substrate.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: high tenacity ageing-resistant sealing strip, set up seal one and seal two on two adjacent lateral walls of the sealing rubber strip of U type structure respectively, form double-seal's structure to the inside of seal one and seal two all adopts hollow design, can increase body intensity, reinforcing body sealing performance, still is equipped with the star support piece who supports and shock attenuation performance in seal one, the sealing strip of this structure has the leakproofness good, advantages such as long service life.

Drawings

FIG. 1 is a schematic structural view of the high-toughness aging-resistant automobile sealing strip of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the sealing structure comprises a sealing rubber strip 1, a U-shaped opening 11, a sealing piece I12, a sealing piece II 13, a sealing blocking piece I14, a sealing blocking piece II 15, a sealing body I2, a sealing body I21, a sealing body II 22, a gourd-shaped cavity 23, a bending part I24, a sealing body II 3, a fan-shaped sealing body III 31, a sealing base 32, a U-shaped sealing body IV 33, a U-shaped sealing body V34, a cavity II 35, a connecting belt 36, a connecting base plate 361, a connecting piece I362, a connecting piece II 363, a steel skeleton 4, a star-shaped supporting frame 5, a triangular supporting frame 51 and a supporting piece 52.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

The high-toughness aging-resistant automobile sealing strip comprises a sealing rubber strip 1, a sealing body I2, a sealing body II 3, a steel skeleton 4 and a star-shaped supporting frame 5, wherein the cross section of the sealing rubber strip 1 is U-shaped, a U-shaped opening 11 is formed in one end of the sealing rubber strip 1, the sealing body I2 is arranged on the outer side wall, opposite to the U-shaped opening 11, of the sealing rubber strip 1, the sealing body II 3 is arranged on the side wall, adjacent to the sealing body I2, of the sealing rubber strip 1, the cross section of the steel skeleton 4 is U-shaped, the steel skeleton 4 is embedded into the sealing rubber strip 1, and the star-shaped supporting frame 5 is arranged in the sealing body I2.

The two opposite inner walls of the U-shaped opening 11 are respectively provided with a first sealing sheet 12 and a second sealing sheet 13, the first sealing sheet 12 and the second sealing sheet 13 are arranged in a staggered mode, the first sealing sheet 12 and the second sealing sheet 13 are arranged in an inclined mode, and the first sealing sheet 12 and the second sealing sheet 13 are inclined towards one side of the bottom face of the U-shaped opening 11. And the two end parts of the sealing rubber strip 1 provided with the U-shaped opening 11 are respectively provided with a first sealing baffle 14 and a second sealing baffle 15, the first sealing baffle 14 and the second sealing baffle 15 are obliquely arranged, and the first sealing baffle 14 and the second sealing baffle 15 are obliquely arranged in the same direction as the first sealing piece 12 and the second sealing piece 13.

In addition, the first sealing body 2 comprises a first sealing body 21 and a second sealing body 22, the cross section area of the first sealing body 21 is larger than the interface of the second sealing body 22, one end of the first sealing body 21 is fixedly connected with the outer wall of the sealing rubber strip 1, the second sealing body 22 is connected with the first sealing body 21, the first sealing body 21 and the second sealing body 22 are arranged in a gourd shape, a gourd-shaped cavity 23 is arranged between the first sealing body 21 and the second sealing body 22, and the star-shaped support frame 5 is arranged in the gourd-shaped cavity 23. And a first bending part 24 which is sunken into the gourd-shaped cavity 23 is arranged at the connecting position between the first sealing body 21 and the second sealing body 22.

The star-shaped support frame 5 arranged in the first sealing body 2 comprises a triangular support frame 51 and a group of support sheets 52, the group of support sheets 52 are arranged at three corner positions of the outer wall of the triangular support frame 51, the two support sheets 52 at the same corner positions of the triangular support frame 51 are arranged in a V shape, and the end parts, far away from the triangular support frame 51, of the support sheets 52 are in contact with the inner wall of the gourd-shaped cavity 23.

In addition, the second sealing body 3 comprises a third fan-shaped sealing body 31, a sealing base body 32, a fourth U-shaped sealing body 33 and a fifth U-shaped sealing body 34, the sealing base body 32 is fixedly connected with the outer wall of the sealing rubber strip 1, one end of the fourth U-shaped sealing body 33 is connected with the sealing base body 32, the other end of the fourth U-shaped sealing body 33 is connected with one end of the fifth U-shaped sealing body 34, the other end of the fifth U-shaped sealing body 34 is connected with the third fan-shaped sealing body 31, a second cavity 35 is arranged between the third fan-shaped sealing body 31, the sealing base body 32, the fourth U-shaped sealing body 33 and the fifth U-shaped sealing body 34, and a connecting belt 36 is arranged between the outer wall of the sealing base body 32 and the outer wall of the sealing rubber strip 1. The U-shaped bending of the fourth U-shaped sealing body 33 is bent towards the outer side far away from the second cavity 35, and the U-shaped bending of the fifth U-shaped sealing body 34 is bent towards the inner part of the second cavity 35.

The connecting band 36 shown in fig. 2 includes a connecting base plate 361, a first connecting piece 362 and a second connecting piece 363, the connecting base plate 361 is connected with the connecting portion of the sealing base 32 and the sealing rubber strip 1, the first connecting piece 362 and the second connecting piece 363 are respectively arranged at two sides of the connecting base plate 361, the first connecting piece 362 and the second connecting piece 363 are both connected with the connecting base plate 361, the first connecting piece 362 and the second connecting piece 363 are arranged in a fishbone shape, the first connecting piece 362 is arranged between the connecting base plate 361 and the sealing rubber strip 1, and the second connecting piece 363 is arranged between the connecting base plate 361 and the sealing base 32.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a high tenacity ageing-resistant automobile sealing strip which characterized in that: including sealing rubber strip (1), seal (2), two (3) of seal, steel skeleton (4) and star support frame (5), the cross-section of sealing rubber strip (1) is the U type to the one end of sealing rubber strip (1) is equipped with U type opening (11), seal (2) set up on sealing rubber strip (1) and the relative lateral wall of U type opening (11), seal two (3) set up on sealing rubber strip (1) and be equipped with the lateral wall that seal (2) are adjacent, the cross-section of steel skeleton (4) is the U type to in steel skeleton (4) embedding sealing rubber strip (1), star support frame (5) set up in seal (2).

2. The high toughness, aging resistant automotive weatherstrip of claim 1, wherein: be equipped with gasket one (12) and gasket two (13) on two relative inner walls of U type opening (11) respectively, gasket one (12) and gasket two (13) crisscross setting, gasket one (12) and gasket two (13) slope set up to one side slope of gasket one (12) and gasket two (13) to U type opening (11) bottom surface.

3. The high-toughness, aging-resistant automobile weather strip according to claim 1 or 2, characterized in that: the sealing rubber strip (1) is provided with a first sealing separation blade (14) and a second sealing separation blade (15) at two ends of the U-shaped opening (11), the first sealing separation blade (14) and the second sealing separation blade (15) are obliquely arranged, and the first sealing separation blade (14) and the second sealing separation blade (15) are the same as the first sealing sheet (12) and the second sealing sheet (13) in the oblique direction.

4. The high-toughness, aging-resistant automobile weather strip according to claim 1 or 2, characterized in that: seal (2) are including seal body (21) and seal body two (22), the sectional area of seal body (21) is greater than the interface of seal body two (22) and connects, the outer wall fixed connection of the one end of seal body (21) and sealing rubber strip (1), seal body two (22) and seal body (21) are connected, seal body (21) and seal body two (22) are the calabash shape setting to be equipped with calabash shape cavity (23) between seal body (21) and the seal body two (22), star support frame (5) set up in calabash shape cavity (23).

5. The high toughness, aging resistant automotive weatherstrip of claim 4, wherein: star support frame (5) are including triangle-shaped support frame (51) and a set of backing sheet (52), a set of backing sheet (52) set up in the three bight position department of triangle-shaped support frame (51) outer wall to the bight position department of triangle-shaped support frame (51) all is equipped with two backing sheets (52), two backing sheets (52) of the same bight position department of triangle-shaped support frame (51) are the V type setting, tip that triangle-shaped support frame (51) were kept away from in backing sheet (52) contacts with the inner wall of calabash shape cavity (23).

6. The high toughness, aging resistant automotive weatherstrip of claim 5, wherein: and a first bending part (24) which is sunken into the gourd-shaped cavity (23) is arranged at the connecting position between the first sealing body (21) and the second sealing body (22).

7. The high toughness, aging resistant automotive weatherstrip of claim 1, wherein: the utility model discloses a fan-shaped seal body, including seal body two (3), seal body (32), U type seal body four (33) and U type seal body five (34), the outer wall fixed connection of seal body (32) and sealing rubber strip (1), the one end and the seal body (32) of U type seal body four (33) are connected to the other end of U type seal body four (33) and the one end of U type seal body five (34), the other end and the fan-shaped seal body three (31) of U type seal body five (34) are connected, be equipped with cavity two (35) between fan-shaped seal body three (31), seal body (32), U type seal body four (33) and U type seal body five (34), be equipped with connecting band (36) between the outer wall of seal body (32) and sealing rubber strip (1).

8. The high toughness, aging resistant automotive weatherstrip of claim 7, wherein: the U-shaped bending of the U-shaped sealing body IV (33) bends towards the outer side far away from the cavity II (35), and the U-shaped bending of the U-shaped sealing body V (34) bends towards the inner part of the cavity II (35).

9. The high toughness, aging resistant automotive weatherstrip of claim 8, wherein: the connecting band (36) is including connection base plate (361), a set of connection piece (362) and a set of connection piece two (363), connection base plate (361) is connected with the junction of sealed base member (32) and sealed rubber strip (1), a set of connection piece (362) and a set of connection piece two (363) set up the both sides at connection base plate (361) respectively to a set of connection piece one (362) and a set of connection piece two (363) all are connected with connection base plate (361), a set of connection piece one (362) and a set of connection piece two (363) are the setting of fishbone shape, connection piece one (362) sets up between connection base plate (361) and sealed rubber strip (1), connection piece two (363) set up between connection base plate (361) and sealed base member (32).