WO2020186436A1 - 汽车挡风玻璃的密封连接件 - Google Patents

汽车挡风玻璃的密封连接件 Download PDF

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Publication number
WO2020186436A1
WO2020186436A1 PCT/CN2019/078609 CN2019078609W WO2020186436A1 WO 2020186436 A1 WO2020186436 A1 WO 2020186436A1 CN 2019078609 W CN2019078609 W CN 2019078609W WO 2020186436 A1 WO2020186436 A1 WO 2020186436A1
Authority
WO
WIPO (PCT)
Prior art keywords
windshield
sealing
water tank
tank cover
hard
Prior art date
Application number
PCT/CN2019/078609
Other languages
English (en)
French (fr)
Inventor
李圣根
Original Assignee
信义汽车玻璃(深圳)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 信义汽车玻璃(深圳)有限公司 filed Critical 信义汽车玻璃(深圳)有限公司
Priority to PCT/CN2019/078609 priority Critical patent/WO2020186436A1/zh
Publication of WO2020186436A1 publication Critical patent/WO2020186436A1/zh

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Classifications

    • 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
    • B60J10/20—Sealing arrangements characterised by the shape
    • B60J10/21—Sealing arrangements characterised by the shape having corner parts or bends
    • 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
    • B60J10/30—Sealing arrangements characterised by the fastening means
    • B60J10/34—Sealing arrangements characterised by the fastening means using adhesives
    • 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
    • B60J10/72—Sealing arrangements specially adapted for windows or windscreens with integral wind-deflecting means, e.g. for preventing soiling

Definitions

  • This application belongs to the technical field of auto parts, and in particular relates to a sealing connector of an automobile windshield.
  • a car’s windshield such as the front windshield
  • the water storage tank is used to contain the water left from the windshield and collect the water from the side of the water tank. Export. Therefore, the reliability of the fixing and sealing connection between the water storage tank and the car windshield mentioned above directly affects the waterproof effectiveness of the car windows.
  • the sealing between the two does not meet the requirements, the water body may pass through both The connecting gaps penetrate into the interior of the car, affecting the ride experience of passengers.
  • a sealed connector (such as an extruded profile body or profile rod, etc.) is often used to connect the windshield and the water storage tank.
  • a connecting arm is provided on the water tank cover of the water storage tank, and a positioning cavity connecting the connecting arm is formed on the sealing connecting piece.
  • the connecting arm is clamped into the positioning cavity to realize the connection between the water tank cover and the sealing connecting piece. Fixed; In this way, because the connecting arm is only constrained by the wall of the positioning cavity, it is easy to escape from the positioning cavity when subjected to external force, and the connection between the water tank cover and the sealing connector is low in reliability.
  • the purpose of this application is to provide a sealing connector for automobile windshield, which aims to solve the technical problem of poor connection reliability between the sealing connector of automobile windshield and the water tank cover in the prior art.
  • a sealing connection piece for an automobile windshield which is used for sealingly connecting the windshield glass and a water tank cover of an automobile.
  • the second connecting part, the first connecting part faces the inner surface of the windshield and is bonded to the windshield, the second connecting part has a first end and a second end that are arranged oppositely, and the first end of the second connecting part is connected to the first end.
  • a connecting part is connected; the first end of the second connecting part protrudes toward the side where the windshield is located to form a positioning protrusion, the positioning protrusion faces the lower bottom surface of the windshield and is bonded to the lower bottom surface of the windshield ;
  • the second end of the second connecting portion is bent toward the side where the windshield is located and extends to form a water tank cover limit arm, and a positioning cavity for connecting the water tank cover is formed between the water tank cover limit arm and the positioning protrusion, The outer wall surface of the cavity bottom of the positioning cavity protrudes away from the windshield to form a limited protrusion tongue.
  • the end of the limit arm of the water tank cover is bent toward the side where the positioning protrusion is located and extends to form a stop tab, and the stop tab is suspended at the opening of the positioning cavity.
  • the limiting tongue is made of thermoplastic elastomer material.
  • the first connecting portion includes a hard transition section and a soft tail section that are flush with the outer surface and are used for bonding with the windshield.
  • the hard transition section has a first end and a second end that are arranged oppositely. The first end of the hard transition section is connected with the first end of the second connecting part, and the second end of the hard transition section is connected with the soft tail section, and the hardness of the soft tail section is less than that of the hard transition section.
  • the ratio of the length of the hard transition section to the soft tail section is 1:1 ⁇ 4:3.
  • the length of the hard transition section is 5mm-7mm, and the length of the soft tail section is 4mm-6mm.
  • the end of the soft tail section away from the hard transition section is bent toward the windshield to form a sealed bead, and the sealed bead abuts on the surface of the windshield facing the first connecting part.
  • the first connecting part and the positioning convex An adhesive storage tank for accommodating adhesive is formed around the lifting and sealing crimp.
  • the adhesive is a polyurethane adhesive
  • the first connecting part is bonded to the windshield through the polyurethane adhesive.
  • the soft tail section is made of thermoplastic elastomer material, and/or the hard transition section is made of thermoplastic material.
  • the sealing connection member further includes a sealing portion for sealingly abutting the windshield and the water tank cover, the outer surface of the sealing portion is flush with the outer surface of the water tank cover in the installed state of the sealing connection member, and the sealing portion is facing the first
  • the inner surface of the two connecting parts protrudes toward the second connecting part to form a connecting protrusion, the position of the positioning protrusion facing the connecting protrusion is recessed to form a connecting groove, and the connecting protrusion is embedded in the connecting groove.
  • the sealing part is arranged directly opposite to the lower bottom surface of the windshield, and the side part of the sealing part directly opposite to the lower bottom surface of the windshield is bonded to the lower bottom surface of the windshield.
  • the end of the sealing portion away from the limit arm of the water tank cover protrudes toward the windshield to form a lap tail, and the lap tail faces the side of the windshield when the sealing connector is installed and the inner side of the windshield Side fit.
  • the sealing part is made of thermoplastic elastomer material.
  • a first hard core and a second hard core for increasing the strength of the sealing connection are embedded in the inside of the sealing connection, and the first hard core extends from the end of the limit arm of the water tank cover to the hard At the second end of the mass transition section, the second hard core is embedded in the positioning protrusion, and the second hard core extends from the side where the limit arm of the water tank cover is located to the side where the windshield is located.
  • first hard core and the second hard core are both aluminum cores.
  • the sealing connector of the automobile windshield of the present application has a positioning cavity formed on the second connecting part connected with the water tank cover, and the positioning cavity is used to connect the connection structure on the water tank cover, such as a connecting arm, etc. Therefore, the water tank cover and the sealing connector are connected, and the outer wall surface of the cavity bottom of the positioning cavity protrudes away from the windshield to form a limit protrusion tongue, that is, the limit protrusion tongue is set away from the positioning cavity.
  • the connection structure on the water tank cover such as the connecting arm
  • the limit protrusion provided away from the positioning cavity can be connected to the car around the water tank cover.
  • the limiting tab can play the role of supporting the second connecting part.
  • the second connecting part is less likely to be separated from the connecting structure (such as the connecting arm) of the water tank cover due to its own gravity or external force.
  • the connection stability between the water tank cover and the sealing connector can be improved, and the sealing connection between the water tank and the windshield is more reliable.
  • Fig. 1 is a first schematic cross-sectional view of a sealing connector of an automobile windshield provided by an embodiment of the application;
  • Fig. 2 is a second schematic cross-sectional view of the sealing connector of the automobile windshield provided by the embodiment of the application;
  • FIG. 3 is a schematic cross-sectional view when the sealing connector of the automobile windshield is connected with the windshield and the water tank cover according to an embodiment of the application;
  • Fig. 4 is a second schematic cross-sectional view when the sealing connector of the automobile windshield is connected with the windshield and the water tank cover according to the embodiment of the application.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this application, “multiple” means two or more than two, unless otherwise specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • installed can be a fixed connection or a detachable connection , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • an embodiment of the present application provides a sealed connection 10 of an automobile windshield 100.
  • the sealed connection 10 is used for sealingly connecting the windshield 100 and the water tank cover 200 of the automobile, especially It is suitable for connecting the front windshield and water tank cover 200 of the automobile.
  • FIGs 3 and 4 it shows a schematic cross-sectional view of the windshield 100, the water tank cover 200 and the sealing connector 10 when they are connected, wherein the windshield 100 and the water tank cover 200 only show the sealing connector 10 Connect the mating parts.
  • the drawings are drawn in the vertical orientation when the windshield 100 is installed on a car, and the "inner side" in the "inner side of the windshield 100" mentioned in this application refers to a part of the windshield 100 facing the interior of the car.
  • the “outer side” in the “outer side of the windshield 100” refers to the side of the windshield 100 facing the exterior of the car
  • the “lower bottom surface of the windshield 100” refers to the side of the windshield 100 facing the wheels of the car Side.
  • FIG. 2 and FIG. 4 in order to distinguish the material composition of the sealing connector 10, different section lines are used to distinguish the different material parts of the sealing connector 10.
  • the sealed connector 10 of the automobile windshield 100 includes a first connecting portion 11 for connecting with the windshield 100 and a second connecting portion for connecting with the water tank cover 200 12.
  • the first connecting portion 11 faces the inner surface of the windshield 100 and is bonded to the windshield 100, that is, the first connecting portion 11 is arranged directly opposite to the outer surface of the windshield 100, and the first connecting portion 11 is directly facing the shield
  • the inner surface of the windshield 100 is bonded to the outer surface of the windshield 100
  • the second connecting portion 12 has a first end and a second end disposed oppositely, and the first end of the second connecting portion 12 is connected to the first connecting portion 11 ;
  • the first end of the second connecting portion 12 protruding toward the side where the windshield 100 is formed with a positioning protrusion 121, the positioning protrusion 121 is directly facing the lower bottom surface of the windshield 100 and with the lower bottom surface of the windshield 100 Bonding; the second end of the second connecting portion 12 is bent toward the side where the windshield 100 is located and extends to form a water tank
  • a positioning cavity 123 is formed on the second connecting portion 12 connected to the water tank cover 200, and the positioning cavity 123 is used to connect the connection structure on the water tank cover 200 such as connection
  • the arm 201 connects the water tank cover 200 and the sealing connector 10, and the outer wall surface of the cavity bottom of the positioning cavity 123 protrudes away from the windshield 100 to form a limit protrusion 124, that is, the limit protrusion 124 is set away from the positioning cavity 123.
  • connection structure on the water tank cover 200 such as the connecting arm 201
  • the limit protrusion 124 set away from the positioning cavity 123 is It can abut against the auto parts around the water tank cover 200, and the limit tab 124 can play a role in supporting the second connecting part 12, so that the second connecting part 12 is separated from the water tank cover 200 due to its own gravity or external force.
  • the probability of the connection structure (such as the connection arm 201) is reduced, so that the connection stability between the water tank cover 200 and the sealing connector 10 can be improved, and the sealing connection between the water tank and the windshield 100 can be more reliable.
  • the sealing connector 10 of this embodiment is used to seally connect the water tank cover 200 of the water storage tank under the car windshield 100 and the car windshield 100, as shown in FIGS. 3 and 4, the water tank cover 200 There is at least a protruding connecting arm 201 for connecting with the positioning cavity 123 on the sealing connector 10 of this embodiment.
  • the connecting arm 201 is clamped in the positioning In the cavity 123, the positioning cavity 123 restricts the connecting arm 201, thereby connecting the sealing connecting member 10 and the water tank cover 200.
  • the end of the stop arm 122 of the water tank cover is bent toward the side where the positioning protrusion 121 is located and extends to form a stop tongue 125, which is suspended Set at the opening of the positioning cavity 123.
  • the connecting arm 201 on the water tank cover 200 is inserted into the positioning cavity 123.
  • the stopper tongue 125 suspended at the opening of the positioning cavity 123 can stop To prevent the connecting arm 201 from coming out; specifically, the stop tab 125 set toward the positioning protrusion 121 is provided at the opening of the positioning cavity 123, which is equivalent to reducing the size of the opening of the positioning cavity 123.
  • the limiting protrusion 124 is preferably made of thermoplastic elastomer material (TPE/TPR).
  • TPE/TPR thermoplastic elastomer material
  • Thermoplastic elastomer not only has the high strength, aging resistance, oil resistance and other excellent properties of traditional vulcanized rubber, but also has the advantages of high elasticity and high resilience. Use it to make limit tabs 124, limit tabs 124 has a greater elastic support force.
  • the limit tab 124 has a larger compressible size, which corresponds to the elasticity it can provide The supporting force is even greater.
  • the limiting protrusion 124 can also be made of other elastic materials, such as foamed thermoplastic elastomer and sponge rubber, which is not exclusively limited here.
  • the first connecting portion 11 includes a hard transition section 111 and a soft tail section that are flush with the outer surface and are used for bonding with the windshield 100 112.
  • the hard transition section 111 has opposite first and second ends. The first end of the hard transition section 111 is connected to the first end of the second connecting portion 12, and the second end of the hard transition section 111 is connected to the The soft tail section 112 is connected.
  • the hardness of the soft tail section 112 is less than the hardness of the hard transition section 111. That is, the hard transition section 111 is made of a hard material with a higher hardness, while the soft tail section 112 is made of a harder material. Made of small soft material.
  • the first connecting part 11 used for connecting with the windshield 100 of the automobile includes a hard transition section 111 and a soft tail part connected in sequence
  • the section 112, the hard transition section 111 and the soft tail section 112 are all bonded to the windshield 100 to connect the sealing connector 10 and the windshield 100.
  • the sealing connector 10 of this embodiment is connected to the windshield 100, the first connecting portion 11 is arranged directly opposite to the outer surface of the windshield 100, and the first connecting portion 11 is arranged directly opposite to the inner surface of the windshield 100 and the windshield 100.
  • the outer side of the windshield 100 is adhesively connected; that is, the hard transition section 111 and the soft tail section 112 are facing the inner side of the windshield 100 and are adhesively connected with the outer side of the windshield 100; by setting a certain length of soft
  • the quality tail section 112 is used for adhesive connection with the windshield 100, that is, a certain length of soft material section is provided to replace part of the length of the hard material section, so that the sealing connecting member 10 does not completely pass through the hard material and the windshield 100 Bonding, since soft materials are easier to bend under force than hard materials, and it is easier to return to the original shape after bending.
  • the sealing connector 10 is easier to be attached to the windshield 100 after bending, and the lamination operation After the soft tail section 112 is bonded to the windshield 100, the stress generated during the rebound of the soft tail section 112 is relatively small, which is beneficial to strengthen the sealing connection 10 and the windshield 100
  • the sealing reliability is reduced, and the risk of gaps and gaps between the sealing connector 10 and the windshield 100 is reduced, thereby effectively improving the sealing performance of the automobile windshield 100, especially the front windshield.
  • the ratio of the length of the hard transition section 111 to the soft tail section 112 is 1:1 ⁇ 4:3, preferably, the hard transition section The length ratio of 111 to the soft tail section 112 is 6:5.
  • the left and right directions in FIGS. 1 to 3 are the length directions of the hard transition section 111 and the soft tail section 112.
  • the length of the hard transition section 111 is set to be equal to or slightly greater than the length of the soft tail section 112 to improve the adhesion performance with the windshield 100 while ensuring The overall strength of the sealing connection 10.
  • the length of the hard transition section 111 is 5mm ⁇ 7mm, and the length of the soft tail section 112 is 4mm ⁇ 6mm, which ensures that the hard transition section 111 Under the premise of the ratio of the length of the soft tail section 112, the lengths of the hard transition section 111 and the soft tail section 112 are reasonably selected to ensure the bonding connection area when the sealing connector 10 and the windshield 100 are bonded, thereby Ensure the reliability of bonding.
  • the length of the hard transition section 111 can be 5mm, 5.4mm, 5.6mm, 5.8mm, 6.0mm, 6.4mm, 6.6mm, 6.8mm or 7.0mm, etc.
  • the length of the soft tail section 112 is It can be 4.0mm, 4.4mm, 4.6mm, 4.8mm, 5.0mm, 5.4mm, 5.6mm, 5.8mm or 6.0mm, etc.
  • the length value is selected to meet the ratio of the two lengths in 1:1 ⁇ 4:3 Choose within the range of, there is no unique limitation here.
  • the end of the soft tail section 112 away from the hard transition section 111 is bent toward the windshield 100 to form a sealing bead 113, and the sealing bead 113 and The windshield 100 abuts against the surface of the first connecting portion 11, that is, the sealing bead 113 abuts against the outer surface of the windshield 100, the positioning protrusions 121 on the first connecting portion 11 and the second connecting portion 12 and The sealing bead 113 is jointly formed with an adhesive reservoir 114 for containing the adhesive.
  • the sealing connector 10 of this embodiment when the sealing connector 10 of this embodiment is connected to the windshield 100, the positioning protrusion 121 on the second connecting portion 12 is arranged directly opposite to the lower bottom surface of the windshield 100, and the positioning protrusion 121 is directly opposite to the windshield.
  • the side of the lower bottom surface of the windshield 100 is also bonded to the windshield 100.
  • the first connecting portion 11, the positioning protrusion 121 and the sealing bead 113 are enclosed to form the aforementioned adhesive reservoir 114,
  • the adhesive such as adhesive glue, adhesive tape, etc.
  • the adhesive is filled in the adhesive storage tank 114, and the position of the glue injection point or the glue point is clear, and the amount of glue or glue is easier to control, which can effectively avoid excessive glue and damage to the windshield 100 overall aesthetics.
  • the adhesive of this embodiment is preferably a polyurethane adhesive (PU adhesive), and the first connecting portion 11 is bonded to the windshield 100 through the polyurethane adhesive .
  • the adhesive has excellent bonding performance, exhibits good chemical bonding power on the smooth surfaces of glass, rubber, plastic, metal and other materials, and can ensure stable bonding between the sealing connector 10 and the windshield 100.
  • the adhesive may also be an adhesive such as silicone resin, acrylate, hot melt adhesive or two-component adhesive, which is not exclusively limited here.
  • the soft tail section 112 is preferably made of thermoplastic elastomer material (TPE/TPR).
  • Thermoplastic elastomer not only has the high strength, aging resistance, oil resistance and other excellent properties of traditional vulcanized rubber, but also has the advantages of high elasticity, high resilience and soft touch.
  • the soft tail section made of it 112 Together with the hard transition section 111, it is used for bonding and connecting with the windshield 100. In this way, the sealing connector 10 is not completely bonded to the windshield 100 through hard materials, because the thermoplastic elastomer is more than traditional hard materials. It is easy to be bent by force, and it is easier to return to its original shape after bending.
  • the sealing connector 10 is easier to be attached to the windshield 100 after bending, and the attachment operation is more executable; and, it is made of thermoplastic elastomer After the soft tail section 112 is bonded to the windshield 100, the stress generated when the force rebounds is relatively small, which is beneficial to enhance the reliability of the sealing between the sealing connector 10 and the windshield 100, and the sealing connector 10 and the windshield 100, the risk of opening and gaps is reduced, so that the sealing performance of the automobile windshield 100, especially the front windshield 100, can be effectively improved.
  • the soft tail section 112 can also be made of other elastic materials, such as foamed thermoplastic elastomer and sponge rubber, which is not exclusively limited here.
  • the rigid transition section 111 is preferably made of thermoplastic materials, such as polyvinyl chloride, polypropylene, acrylonitrile-butadiene-styrene copolymer Thermoplastic processing materials such as objects.
  • thermoplastic material the limiting protrusion adopts thermoplastic elastic Body materials
  • thermoplastic elastic Body materials such as polyvinyl chloride, polypropylene, acrylonitrile-butadiene-styrene copolymer and other thermoplastic processing materials.
  • the hard transition section 111 and the soft tail section 112 are integrally formed, and the first connecting portion 11 and the second connecting portion 12 are fixedly connected or integrally formed.
  • the sealing connector 10 further includes a sealing portion 13 for sealingly abutting the windshield 100 and the water tank cover 200, and the outer surface of the sealing portion 13 is
  • the sealing connector 10 is flush with the outer surface of the water tank cover 200 in the installed state, and the sealing portion 13 is facing the inner surface of the second connecting portion 12 and protruding toward the second connecting portion 12 to form a connecting protrusion 131 and a positioning protrusion 121
  • a connecting groove 126 is recessed in a position opposite to the connecting protrusion 131, and the connecting protrusion 131 is embedded in the connecting groove 126, so that the sealing portion 13 and the positioning protrusion 121 are fixedly connected.
  • the sealing portion 13 is provided in a sealed connection between the windshield 100 and the water tank cover 200, and in the installation state of the sealing connection member 10 of this embodiment, the opposite sides of the sealing portion 13 are respectively connected to the water tank cover 200 and the windshield 100 abuts against each other, so that the sealing portion 13 is blocked like a plug in the gap between the windshield 100 and the water tank cover 200, so that a good sealing effect can be achieved.
  • the outer surface of the sealing portion 13 and the water tank cover The outer surface of the 200 is flush, and the overall appearance is more beautiful.
  • the side of the sealing portion 13 facing the windshield 100 is bonded to the side of the windshield 100 facing the water tank cover 200, that is, the sealing portion 13 is arranged facing the lower bottom surface of the windshield 100, and the sealing portion 13
  • the side portion facing the lower bottom surface of the windshield 100 is bonded to the lower bottom surface of the windshield 100 to improve the connection strength between each other.
  • the side of the sealing portion 13 facing the lower bottom surface of the windshield 100 is made of polyurethane adhesive (PU adhesive) is bonded to the bottom surface of the windshield 100.
  • PU adhesive polyurethane adhesive
  • the end of the sealing portion 13 away from the hook 121 of the water tank cover 200 protrudes toward the windshield 100 to form a lap tail 132, and the lap tail 132 is straight.
  • the side surface of the windshield 100 is attached to the inner side of the windshield 100 in the installation state of the sealing connector 10, and a lap tail 132 is provided to overlap the windshield 100, which can further improve the sealing connection of this embodiment
  • the sealing reliability of the component 10 can also improve the reliability of its connection with the windshield 100.
  • the sealing portion 13 is preferably made of thermoplastic elastomer material, that is, the sealing portion 13 is preferably the same as the soft tail section 112 and the limiting tongue 124.
  • the sealing portion 13 has good resilience, and can quickly return to its original shape after being deformed under a force, so as to ensure the sealing effect of the sealing portion 13.
  • the soft tail section 112 can also be made of other elastic materials, such as foamed thermoplastic elastomer and sponge rubber, which is not exclusively limited here.
  • a first rigid core 14 and a second rigid core for increasing the strength of the sealing connector 10 are embedded in the inside of the sealing connector 10 15.
  • the first hard core body 14 extends from the end of the water tank cover limiting arm 122 to the second end of the hard transition section 111, and the second hard core body 15 is embedded in the positioning protrusion 121, and The second hard core 15 extends from the side where the limit arm of the water tank cover 200 is located to the side where the windshield 100 is located.
  • a hard core is arranged to be embedded in the inside of the sealing connector 10. The arrangement of the hard core increases the overall strength of the sealing connector 10.
  • the sealing connector 10 can withstand greater external loads and exhibit more lasting stability Sex.
  • first hard core 14 and the second hard core 15 are preferably aluminum cores.
  • first hard core 14 and the second hard core 15 The mass core 15 can also be made of other hard metals such as titanium or steel, which is not exclusively limited here.

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Abstract

一种汽车挡风玻璃的密封连接件(10)，该密封连接件(10)包括第一连接部(11)和第二连接部(12)，第一连接部(11)与挡风玻璃(100)粘接，第二连接部(12)设置有定位凸起(121)、水箱盖限位臂(122)和定位腔(123)，定位腔(123)的腔底外壁凸伸形成有限位凸舌(124)。水箱盖(200)与密封连接件(10)连接时，水箱盖(200)上的连接结构卡设于定位腔(123)内，限位凸舌(124)与水箱盖(200)周围的汽车零部件抵接，用以支撑第二连接部(12)，从而能够提高水箱盖(200)与密封连接件(10)之间的连接稳定性。

Description

汽车挡风玻璃的密封连接件 技术领域
本申请属于汽车配件技术领域，尤其涉及一种汽车挡风玻璃的密封连接件。
 背景技术
一般地，汽车的挡风玻璃，比如前挡风玻璃的下方设置有贮水水箱，该贮水水箱用于盛装从挡风玻璃上留下来的水，并将这些水汇集后从水箱的侧部导出。因此，上述的贮水水箱与汽车挡风玻璃的固定以及密封连接的可靠性，直接影响到汽车车窗的防水有效性，当两者之间密封未达到要求时，水体便有可能通过两者的连接缝隙渗入汽车内部，影响乘车者的乘车体验。
现有技术中，常采用密封连接件（比如挤出成型的型材体或者型材杆等）来连接挡风玻璃和贮水水箱。一般地，贮水水箱的水箱盖上设置有连接臂，密封连接件上形成有连接该连接臂的定位腔，通过将连接臂卡装至定位腔内，从而实现水箱盖与密封连接件的连接固定；如此，由于连接臂仅受到定位腔腔壁的约束，其受外力时容易从定位腔内脱出，水箱盖与密封连接件之间的连接可靠程度低。
 技术问题
本申请的目的在于提供一种汽车挡风玻璃的密封连接件，旨在解决现有技术中的汽车挡风玻璃的密封连接件与水箱盖的连接可靠性差的技术问题。
 技术解决方案
为解决上述技术问题，本申请实施例采用的技术方案是：
提供了一种汽车挡风玻璃的密封连接件，用于密封连接汽车的挡风玻璃和水箱盖，密封连接件包括用于与挡风玻璃连接的第一连接部和用于与水箱盖连接的第二连接部，第一连接部正对挡风玻璃的内侧面与挡风玻璃粘接，第二连接部具有相对设置的第一端和第二端，第二连接部的第一端与第一连接部连接；第二连接部的第一端朝挡风玻璃所在的一侧凸伸形成有定位凸起，定位凸起正对挡风玻璃的下底面并与挡风玻璃的下底面粘接；第二连接部的第二端朝挡风玻璃所在的一侧弯折并延伸形成有水箱盖限位臂，水箱盖限位臂与定位凸起之间形成有用于连接水箱盖的定位腔，定位腔的腔底外壁面背离挡风玻璃凸伸形成有限位凸舌。
进一步地，水箱盖限位臂的端部朝定位凸起所在的一侧弯折并延伸形成止挡凸舌，止挡凸舌悬设于定位腔的开口处。
进一步地，限位凸舌采用热塑性弹性体材料制成。
进一步地，第一连接部包括外表面齐平且均用于与挡风玻璃粘接的硬质过渡段和软质尾部段，硬质过渡段具有相对设置的第一端和第二端，硬质过渡段的第一端与第二连接部的第一端连接，硬质过渡段的第二端与软质尾部段连接，软质尾部段的硬度小于硬质过渡段的硬度。
进一步地，硬质过渡段与软质尾部段的长度之比为1:1~4:3。
进一步地，硬质过渡段的长度为5mm~7mm，软质尾部段的长度为4mm~6mm。
进一步地，软质尾部段背离硬质过渡段的一端朝挡风玻璃弯曲形成有密封卷边，密封卷边与挡风玻璃正对第一连接部的表面抵接，第一连接部、定位凸起和密封卷边共同围设形成有用于容置粘接剂的粘接剂储槽。
进一步地，粘接剂为聚氨酯胶粘剂，第一连接部通过聚氨酯胶粘剂与挡风玻璃粘接。
进一步地，软质尾部段采用热塑性弹性体材料制成，和/或硬质过渡段采用热塑性塑料材料制成。
进一步地，密封连接件还包括用于密封贴紧挡风玻璃与水箱盖的密封部，密封部的外侧表面在密封连接件的安装状态下与水箱盖的外侧表面齐平，密封部正对第二连接部的内侧表面朝第二连接部凸伸形成有连接凸起，定位凸起正对连接凸起的位置凹陷形成有连接凹槽，连接凸起嵌设于连接凹槽内。
进一步地，密封部正对挡风玻璃的下底面设置，且密封部正对挡风玻璃下底面的侧部与挡风玻璃的下底面粘接。
进一步地，密封部背离水箱盖限位臂的端部朝挡风玻璃凸伸形成有搭接尾，搭接尾正对挡风玻璃的侧面在密封连接件的安装状态下与挡风玻璃的内侧面贴合。
进一步地，密封部采用热塑性弹性体材料制成。
进一步地，密封连接件的内部嵌设有用于增加密封连接件的强度的第一硬质芯体和第二硬质芯体，第一硬质芯体从水箱盖限位臂的末端延伸至硬质过渡段的第二端，第二硬质芯体嵌设于定位凸起内，且第二硬质芯体从水箱盖限位臂所在的一侧向挡风玻璃所在的一侧延伸。
进一步地，第一硬质芯体和第二硬质芯体均为铝制芯体。
 有益效果
与现有技术相比，本申请的汽车挡风玻璃的密封连接件，其与水箱盖连接的第二连接部上形成有定位腔，定位腔用于连接水箱盖上的连接结构如连接臂等从而连接水箱盖和密封连接件，定位腔的腔底的外壁面背离挡风玻璃凸伸形成有限位凸舌，即限位凸舌背离定位腔设置。具体地，当水箱盖与密封连接件连接时，水箱盖上的连接结构，如连接臂等，卡设于定位腔内，而背离定位腔设置的限位凸舌则能够与水箱盖周围的汽车零部件抵接，限位凸舌便可以起到支撑第二连接部的作用，如此，第二连接部因自身重力或是受外力脱离水箱盖的连接结构（如连接臂）的几率降低，从而能够提高水箱盖与密封连接件之间的连接稳定性，确保水箱与挡风玻璃之间的密封连接更加可靠。
 附图说明
图1为本申请实施例提供的汽车挡风玻璃的密封连接件的截面示意图一；
图2为本申请实施例提供的汽车挡风玻璃的密封连接件的截面示意图二；
图3为本申请实施例提供的汽车挡风玻璃的密封连接件与挡风玻璃、水箱盖连接时的截面示意图一；
图4为本申请实施例提供的汽车挡风玻璃的密封连接件与挡风玻璃、水箱盖连接时的截面示意图二。
其中，图中各附图标记：
10—密封连接件        11—第一连接部       12—第二连接部
13—密封部            14—第一硬质芯体     15—第二硬质芯体
100—挡风玻璃         111—硬质过渡段      112—软质尾部段
113—密封卷边         114—粘接剂储槽      121—定位凸起
122—水箱盖限位臂     123—定位腔        124—限位凸舌
125—止挡凸舌         126—连接凹槽        131—连接凸起
132—搭接尾           200—水箱盖          201—连接臂。
 本发明的实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图1~4描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
如图1~4所示，本申请的一实施例提供了一种汽车挡风玻璃100的密封连接件10，该密封连接件10用于密封连接汽车的挡风玻璃100和水箱盖200，尤其适应于连接汽车的前挡风玻璃和水箱盖200。如图3和图4所示，其示出了挡风玻璃100、水箱盖200和密封连接件10相连时的截面示意图，其中，挡风玻璃100和水箱盖200仅示出了与密封连接件10连接配合的部分。附图以挡风玻璃100安装在汽车上时的上下朝向绘制，且本申请中所述的“挡风玻璃100的内侧面”中的“内侧面”是指挡风玻璃100朝向汽车内部的一侧，“挡风玻璃100的外侧面”中的“外侧面”是指挡风玻璃100朝向汽车外部的一侧，而“挡风玻璃100的下底面”则是指挡风玻璃100朝向汽车车轮的一侧。此外，如图2和图4所示，为了区分密封连接件10的材质组成，对密封连接件10的不同材质部分采用不同的剖面线进行区分。
具体地，如图1~4所示，该汽车挡风玻璃100的密封连接件10包括用于与挡风玻璃100连接的第一连接部11和用于与水箱盖200连接的第二连接部12，第一连接部11正对挡风玻璃100的内侧面与挡风玻璃100粘接，即第一连接部11正对挡风玻璃100的外侧面设置，且第一连接部11正对挡风玻璃100的内侧面与挡风玻璃100的外侧面粘接；第二连接部12具有相对设置的第一端和第二端，第二连接部12的第一端与第一连接部11连接；第二连接部12的第一端朝挡风玻璃100所在的一侧凸伸形成有定位凸起121，定位凸起121正对挡风玻璃100的下底面并与挡风玻璃100的下底面粘接；第二连接部12的第二端朝挡风玻璃100所在的一侧弯折并延伸形成有水箱盖限位臂122，水箱盖限位臂122与定位凸起121之间形成有用于连接水箱盖200的定位腔123，定位腔123的腔底外壁面背离挡风玻璃100凸伸形成有限位凸舌124。
本申请实施例的汽车挡风玻璃100的密封连接件10，其与水箱盖200连接的第二连接部12上形成有定位腔123，定位腔123用于连接水箱盖200上的连接结构如连接臂201等从而连接水箱盖200和密封连接件10，定位腔123的腔底的外壁面背离挡风玻璃100凸伸形成有限位凸舌124，即限位凸舌124背离定位腔123设置。具体地，当水箱盖200与密封连接件10连接时，水箱盖200上的连接结构，如连接臂201等，卡设于定位腔123内，而背离定位腔123设置的限位凸舌124则能够与水箱盖200周围的汽车零部件抵接，限位凸舌124便可以起到支撑第二连接部12的作用，如此，第二连接部12因自身重力或是受外力脱离水箱盖200的连接结构（如连接臂201）的几率降低，从而能够提高水箱盖200与密封连接件10之间的连接稳定性，确保水箱与挡风玻璃100之间的密封连接更加可靠。
需要说明的是，当采用本实施例的密封连接件10密封连接汽车挡风玻璃100下方贮水水箱的水箱盖200和汽车挡风玻璃100时，如图3和图4所示，水箱盖200上至少凸伸设置有一个用于与本实施例的密封连接件10上的定位腔123适配连接的连接臂201，密封连接件10与水箱盖200连接时，该连接臂201卡装于定位腔123内，定位腔123约束该连接臂201，从而连接密封连接件10与水箱盖200。
在本申请的另一实施例中，如图1~4水箱盖限位臂122的端部朝定位凸起121所在的一侧弯折并延伸形成止挡凸舌125，止挡凸舌125悬设于定位腔123的开口处。连接水箱盖200和密封连接件10时，水箱盖200上的连接臂201插接卡装于定位腔123内，此时，悬设于定位腔123开口处的止挡凸舌125能够起到止挡连接臂201脱出的作用；具体地，在定位腔123的开口处设置朝向定位凸起121设置的止挡凸舌125，相当于缩小了定位腔123的开口尺寸，如此，连接臂201一旦卡装至定位腔123内，其脱离定位腔123的过程还会受到止挡凸舌125的约束，从而能够进一步地减小两者之间相互脱离的风险，提高密封连接件10与水箱盖200的连接可靠性。
在本申请的另一实施例中，如图2和图4所示，限位凸舌124优选采用热塑性弹性体材料（TPE/TPR）制成。热塑性弹性体既具备传统硫化橡胶的高强度、耐老化、耐油性等的各项优异性能，其同时又具备高弹性和高回弹性等的优点，使用其制作限位凸舌124，限位凸舌124具有更大的弹性支撑力，当密封连接件10与挡风玻璃100和水箱盖200安装定位时，限位凸舌124受力可压缩的尺寸更大，相对应的其所能提供的弹性支撑力也就更大。
当然，在一些其他的实施例中，限位凸舌124也可以采用其他的弹性材料，如发泡热塑性弹性体和海绵橡胶等制成，此处并非唯一限定。
在本申请的另一实施例中，如图1~4所示，第一连接部11包括外表面齐平且均用于与挡风玻璃100粘接的硬质过渡段111和软质尾部段112，硬质过渡段111具有相对设置的第一端和第二端，硬质过渡段111的第一端与第二连接部12的第一端连接，硬质过渡段111的第二端与软质尾部段112连接，软质尾部段112的硬度小于硬质过渡段111的硬度，即硬质过渡段111采用硬度较大的硬质材料制成，而软质尾部段112则采用硬度较小的软质材料制成。
具体地，本申请实施例的汽车挡风玻璃100的密封连接件10，其用于与汽车的挡风玻璃100连接的第一连接部11包括顺次连接的硬质过渡段111和软质尾部段112，硬质过渡段111和软质尾部段112均与挡风玻璃100粘接，以连接密封连接件10与挡风玻璃100。当本实施例的密封连接件10与挡风玻璃100连接时，第一连接部11正对挡风玻璃100的外侧面设置，且第一连接部11正对挡风玻璃100的内侧面与挡风玻璃100的外侧面粘接连接；即硬质过渡段111和软质尾部段112正对挡风玻璃100的内侧面同时与挡风玻璃100的外侧面粘接连接；通过设置一定长度的软质尾部段112用于与挡风玻璃100粘接连接，即设置一定长度的软质材料段替代部分长度的硬质材料段，如此，密封连接件10不完全通过硬质材料与挡风玻璃100粘接，由于软质材料相比硬质材料更加容易受力弯曲，同时弯曲后也更容易回复原状，这样，密封连接件10弯曲后与更易于与挡风玻璃100的贴合，贴合操作的可执行性更强；并且，软质尾部段112与挡风玻璃100粘接后，其受力反弹时的产生应力相对较小，有利于增强密封连接件10与挡风玻璃100之间的密封可靠性，密封连接件10与挡风玻璃100之间出现开胶、产生间隙的风险降低，从而能够有效提升汽车挡风玻璃100尤其是前挡风玻璃的密封性能。
在本申请的另一实施例中，如图1和图2所示，硬质过渡段111与软质尾部段112的长度之比为1:1~4:3，优选地，硬质过渡段111与软质尾部段112的长度比例为6:5。具体地，以图1~3中的左右方向为硬质过渡段111和软质尾部段112的长度方向。如此，由于硬质材料的强度大于软质材料的强度，设置硬质过渡段111的长度等于或稍大于软质尾部段112的长度，在改善与挡风玻璃100的粘接性能的同时，保证密封连接件10的整体强度。
在本申请的另一实施例中，如图1和图2所示，硬质过渡段111的长度为5mm~7mm，软质尾部段112的长度为4mm~6mm，在保证硬质过渡段111与软质尾部段112的长度比值的前提下，合理的选择硬质过渡段111和软质尾部段112的长度，确保密封连接件10与挡风玻璃100粘接时的粘接连接面积，从而保证粘接的可靠性。具体地，硬质过渡段111的长度可以为5mm、5.4mm、5.6mm、5.8mm、6.0mm、6.4mm、6.6mm、6.8mm或者7.0mm等的长度数值，软质尾部段112的长度则可以为4.0mm、4.4mm、4.6mm、4.8mm、5.0mm、5.4mm、5.6mm、5.8mm或者6.0mm等的长度数值，具体选择时以满足两者长度比值在1:1~4:3的范围内进行选用，此处不做唯一限定。
在本申请的另一实施例中，如图3和图4所示，软质尾部段112背离硬质过渡段111的一端朝挡风玻璃100弯曲形成有密封卷边113，密封卷边113与挡风玻璃100正对第一连接部11的表面抵接，即密封卷边113与挡风玻璃100的外侧面抵接，第一连接部11、第二连接部12上的定位凸起121和密封卷边113共同围设形成有用于容置粘接剂的粘接剂储槽114。具体地，当本实施例的密封连接件10与挡风玻璃100连接时，第二连接部12上的定位凸起121正对挡风玻璃100的下底面设置，且定位凸起121正对挡风玻璃100下底面的侧部同样与挡风玻璃100粘接，如此，第一连接部11便与定位凸起121以及密封卷边113共同围设形成上述的粘接剂储槽114，粘接密封连接件10与挡风玻璃100时，定位放置好密封连接件10与挡风玻璃100后，再将粘接剂如粘接胶、粘接带等注入或放入该粘接剂储槽114内即可，粘接剂填充在粘接剂储槽114内，注胶点或贴胶点位置明确，注胶或贴胶量更容易把控，可有效的避免用胶过量而破坏挡风玻璃100的整体美观度。
在本申请的另一实施例中，如图3和图4所示，本实施例的粘接剂优选为聚氨酯胶粘剂（PU胶粘剂），第一连接部11通过聚氨酯胶粘剂与挡风玻璃100粘接。该粘接剂具有优良的粘接性能，在玻璃、橡胶、塑料以及金属等材料的光洁表面均表现出良好的化学粘接力，能够确保密封连接件10与挡风玻璃100的稳定粘接。在本申请的一些其他实施例中，粘接剂还可以采用硅树脂、丙烯酸酯、热熔胶黏剂或者双组分胶黏剂等的粘接剂，此处不做唯一限定。
在本申请的另一实施例中，如图2和图4所示，软质尾部段112优选采用热塑性弹性体材料（TPE/TPR）制成。热塑性弹性体既具备传统硫化橡胶的高强度、耐老化、耐油性等的各项优异性能，其同时又具备高弹性、高回弹性以及触感柔软等的优点，使用其制成的软质尾部段112与硬质过渡段111一起用于与挡风玻璃100粘接连接，如此，密封连接件10不完全通过硬质材料与挡风玻璃100粘接，由于热塑性弹性体相比传统的硬质材料更加容易受力弯曲，同时弯曲后也更容易回复原状，这样，密封连接件10弯曲后与更易于与挡风玻璃100的贴合，贴合操作的可执行性更强；并且，热塑性弹性体制成的软质尾部段112在与挡风玻璃100粘接后，其受力反弹时的产生应力相对较小，有利于增强密封连接件10与挡风玻璃100之间的密封可靠性，密封连接件10与挡风玻璃100之间出现开胶、产生间隙的风险降低，从而能够有效提升汽车挡风玻璃100尤其是前挡风玻璃100的密封性能。
当然，在一些其他的实施例中，软质尾部段112也可以采用其他的弹性材料，如发泡热塑性弹性体和海绵橡胶等制成，此处并非唯一限定。
在本申请的另一实施例中，如图2和图4所示，硬质过渡段111优选采用热塑性塑料材料制成，如聚氯乙烯、聚丙烯、丙烯晴-丁二烯-苯乙烯共聚物等的可热塑加工材料。
在本申请的另一实施例中，如图2和图4所示，第二连接部12除限位凸舌124以外的其他部位均优选采用热塑性塑料材料制成（限位凸设采用热塑性弹性体材料制成），如聚氯乙烯、聚丙烯、丙烯晴-丁二烯-苯乙烯共聚物等的可热塑加工材料。
具体地，硬质过渡段111和软质尾部段112两者一体成型，第一连接部11和第二连接部12固定连接或者一体成型。
在本申请的另一实施例中，如图3和图4所示，密封连接件10还包括用于密封贴紧挡风玻璃100与水箱盖200的密封部13，密封部13的外侧表面在密封连接件10的安装状态下与水箱盖200的外侧表面齐平，密封部13正对第二连接部12的内侧表面朝第二连接部12凸伸形成有连接凸起131，定位凸起121正对连接凸起131的位置凹陷形成有连接凹槽126，连接凸起131嵌设于连接凹槽126内，从而将密封部13与定位凸起121固定连接。设置密封部13密封连接于挡风玻璃100与水箱盖200之间，且在本实施例的密封连接件10的安装状态下，密封部13相对的两侧部分别与水箱盖200和挡风玻璃100抵接，如此，密封部13便如同塞子一般堵塞于挡风玻璃100与水箱盖200之间的间隙内，从而能够起到良好的密封效果，此外，密封部13的外侧表面还与水箱盖200的外侧表面齐平，整体更加美观。
更具体地，密封部13正对挡风玻璃100的侧部与挡风玻璃100朝向水箱盖200的侧部粘接，即密封部13正对挡风玻璃100的下底面设置，且密封部13正对挡风玻璃100下底面的侧部与挡风玻璃100的下底面粘接，以提高彼此之间的连接强度，比如，密封部13正对挡风玻璃100下底面的侧部通过聚氨酯胶粘剂（PU胶粘剂）与挡风玻璃100的下底面粘接。
在本申请的另一实施例中，如图2和图3所示，密封部13背离水箱盖200挂钩121的端部朝挡风玻璃100凸伸形成有搭接尾132，搭接尾132正对挡风玻璃100的侧面在密封连接件10的安装状态下与挡风玻璃100的内侧面贴合，设置搭接尾132与挡风玻璃100搭接，能够进一步的提高本实施例的密封连接件10的密封可靠性，同时还能提高其与挡风玻璃100的连接可靠性。
在本申请的另一实施例中，如图2和图4所示，密封部13优选为热塑性弹性体材质部，即密封部13与软质尾部段112和限位凸舌124一样均优选采用热塑性弹性体材料制成。如此，密封部13具有良好的回弹性，其受力变形后能够很快回复至原形状，从而确保密封部13的密封贴紧的作用。当然，在一些其他的实施例中，软质尾部段112也可以采用其他的弹性材料，如发泡热塑性弹性体和海绵橡胶等制成，此处并非唯一限定。
在本申请的另一实施例中，如图1~4所示，密封连接件10的内部嵌设有用于增加密封连接件10的强度的第一硬质芯体14和第二硬质芯体15，具体地，第一硬质芯体14从水箱盖限位臂122的末端延伸至硬质过渡段111的第二端，第二硬质芯体15嵌设于定位凸起121内，且第二硬质芯体15从水箱盖200限位臂所在的一侧向挡风玻璃100所在的一侧延伸。设置硬质芯体嵌装于密封连接件10的内部，硬质芯体的设置增加了密封连接件10的整体强度，密封连接件10能够承受更大的外部荷载，表现出更为持久的稳定性。
更具体地，上述的第一硬质芯体14和第二硬质芯体15均优选为铝制芯体，当然，在一些其他的实施例中，第一硬质芯体14和第二硬质芯体15也可以采用如钛或者钢材等的其他硬质金属制成，此处并非唯一限定。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的思想和原则之内所作的任何修改、等同替换或改进等，均应包含在本申请的保护范围之内。

Claims (15)

  1. 一种汽车挡风玻璃的密封连接件，用于密封连接汽车的挡风玻璃和水箱盖，所述密封连接件包括用于与所述挡风玻璃连接的第一连接部和用于与所述水箱盖连接的第二连接部，所述第一连接部正对所述挡风玻璃的内侧面与所述挡风玻璃粘接，其特征在于：所述第二连接部具有相对设置的第一端和第二端，所述第二连接部的第一端与所述第一连接部连接；所述第二连接部的第一端朝所述挡风玻璃所在的一侧凸伸形成有定位凸起，所述定位凸起正对所述挡风玻璃的下底面并与所述挡风玻璃的下底面粘接；所述第二连接部的第二端朝所述挡风玻璃所在的一侧弯折并延伸形成有水箱盖限位臂，所述水箱盖限位臂与所述定位凸起之间形成有用于连接所述水箱盖的定位腔，所述定位腔的腔底外壁面背离所述挡风玻璃凸伸形成有限位凸舌。
  2. 根据权利要求1所述的汽车挡风玻璃的密封连接件，其特征在于：所述水箱盖限位臂的端部朝所述定位凸起所在的一侧弯折并延伸形成止挡凸舌，所述止挡凸舌悬设于所述定位腔的开口处。
  3. 根据权利要求1所述的汽车挡风玻璃的密封连接件，其特征在于：所述限位凸舌采用热塑性弹性体材料制成。
  4. 根据权利要求1所述的汽车挡风玻璃的密封连接件，其特征在于：所述第一连接部包括外表面齐平且均用于与所述挡风玻璃粘接的硬质过渡段和软质尾部段，所述硬质过渡段具有相对设置的第一端和第二端，所述硬质过渡段的第一端与所述第二连接部的第一端连接，所述硬质过渡段的第二端与所述软质尾部段连接，所述软质尾部段的硬度小于所述硬质过渡段的硬度。
  5. 根据权利要求4所述的汽车挡风玻璃的密封连接件，其特征在于：所述硬质过渡段与所述软质尾部段的长度之比为1:1~4:3。
  6. 根据权利要求4所述的汽车挡风玻璃的密封连接件，其特征在于：所述硬质过渡段的长度为5mm~7mm，所述软质尾部段的长度为4mm~6mm。
  7. 根据权利要求4所述的汽车挡风玻璃的密封连接件，其特征在于：所述软质尾部段背离所述硬质过渡段的一端朝所述挡风玻璃弯曲形成有密封卷边，所述密封卷边与所述挡风玻璃正对所述第一连接部的表面抵接，所述第一连接部、所述定位凸起和所述密封卷边共同围设形成有用于容置粘接剂的粘接剂储槽。
  8. 根据权利要求7所述的汽车挡风玻璃的密封连接件，其特征在于：所述粘接剂为聚氨酯胶粘剂，所述第一连接部通过所述聚氨酯胶粘剂与所述挡风玻璃粘接。
  9. 根据权利要求4所述的汽车挡风玻璃的密封连接件，其特征在于：所述软质尾部段采用热塑性弹性体材料制成，和/或所述硬质过渡段采用热塑性塑料材料制成。
  10. 根据权利要求1~9任一项所述的汽车挡风玻璃的密封连接件，其特征在于：所述密封连接件还包括用于密封贴紧所述挡风玻璃与所述水箱盖的密封部，所述密封部的外侧表面在所述密封连接件的安装状态下与所述水箱盖的外侧表面齐平，所述密封部正对所述第二连接部的内侧表面朝所述第二连接部凸伸形成有连接凸起，所述定位凸起正对所述连接凸起的位置凹陷形成有连接凹槽，所述连接凸起嵌设于所述连接凹槽内。
  11. 根据权利要求10所述的汽车挡风玻璃的密封连接件，其特征在于：所述密封部正对所述挡风玻璃的下底面设置，且所述密封部正对所述挡风玻璃下底面的侧部与所述挡风玻璃的下底面粘接。
  12. 根据权利要求10所述的汽车挡风玻璃的密封连接件，其特征在于：所述密封部背离所述水箱盖限位臂的端部朝所述挡风玻璃凸伸形成有搭接尾，所述搭接尾正对所述挡风玻璃的侧面在所述密封连接件的安装状态下与所述挡风玻璃的内侧面贴合。
  13. 根据权利要求10所述的汽车挡风玻璃的密封连接件，其特征在于：所述密封部采用热塑性弹性体材料制成。
  14. 根据权利要求4~9任一项所述的汽车挡风玻璃的密封连接件，其特征在于：所述密封连接件的内部嵌设有用于增加所述密封连接件的强度的第一硬质芯体和第二硬质芯体，所述第一硬质芯体从所述水箱盖限位臂的末端延伸至所述硬质过渡段的第二端，所述第二硬质芯体嵌设于所述定位凸起内，且所述第二硬质芯体从所述水箱盖限位臂所在的一侧向所述挡风玻璃所在的一侧延伸。
  15. 根据权利要求14所述的汽车挡风玻璃的密封连接件，其特征在于：所述第一硬质芯体和所述第二硬质芯体均为铝制芯体。
PCT/CN2019/078609 2019-03-19 2019-03-19 汽车挡风玻璃的密封连接件 WO2020186436A1 (zh)

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