Automobile glass gasket

Abstract

This utility model discloses an automotive glass gasket, including a gasket with a fixing member fixedly connected to its center. A buffer cavity is formed on the inner side of the gasket, and an airbag is disposed within the buffer cavity. This automotive glass gasket, through the gasket, a first shape-memory metal, a first elastic buffer layer, and the buffer cavity, generates continuous pressure through elastic deformation, causing the silicone rubber gasket to tightly adhere to the sunroof glass and the vehicle frame, filling tiny gaps during installation and reducing the initial risk of leakage. Furthermore, the first elastic buffer layer and the buffer cavity further fill irregular gaps through flexible compression, enhancing the fit of the sealing surface and thus achieving a seal. A pressure sensor monitors the air pressure inside the airbag at high frequency, providing rapid early warning of seal failure and preventing the malfunction from escalating. In conjunction with the airbag expansion, the second shape-memory metal and the elastic buffer layer are compressed, pushing the gasket tightly against the sunroof, dynamically increasing the sealing pressure and improving the sealing performance.

Description

Technical Field

[0001] This utility model relates to the field of automotive technology, specifically to an automotive glass gasket. Background Technology

[0002] Automotive glass gaskets are sheet-like parts made of elastic materials such as rubber. They are usually installed on the glass and their function is to absorb impact through elastic deformation, reduce wear on the glass edges, cushion and dampen shocks, and fill the gap between the glass and the frame to form a sealing barrier, thereby sealing the glass.

[0003] Existing automotive sunroof glass gaskets lack a real-time monitoring mechanism during installation, making it impossible to detect deterioration or failure of sealing performance in a timely manner. This leads to the escalation of the problem and makes the sunroof prone to leaks. To avoid the above situation, frequent maintenance is required after prolonged use as the sealing effect gradually weakens.

[0004] Therefore, this utility model provides an automotive glass gasket to solve the above-mentioned problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an automotive glass gasket that solves the aforementioned problems.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: an automotive glass gasket, comprising a gasket, wherein a fixing member is fixedly connected to the middle of the gasket, and a buffer cavity is formed on the inner side of the gasket, wherein an airbag is disposed in the buffer cavity.

[0007] Preferably, the inner ends of the gasket are provided with a first memory metal, and the gasket material is silicone rubber.

[0008] Preferably, the airbag side end is provided with a second shape memory metal, and the end of the second shape memory metal away from the buffer cavity is fixedly connected to the fixing member.

[0009] Preferably, the bottom end of the guide strip of the gasket is configured as a second elastic stretching buffer layer.

[0010] Preferably, the gasket has a first elastic stretching buffer layer at the side end near the second shape memory metal, the airbag has a first air tube connected to its lower side, and the first and second elastic stretching buffer layers are made of modified silicone rubber foam.

[0011] Preferably, the first air pipe is sequentially provided with an air pressure sensor, a solenoid valve and an air valve, the air valve is provided with a second air pipe, and the gasket is provided with a temperature sensor.

[0012] Beneficial effects

[0013] This invention provides an automotive glass gasket. Compared with the prior art, it has the following advantages:

[0014] (1) An automotive glass gasket, which, through the gasket, the first memory metal, the first elastic buffer layer and the buffer cavity, generates continuous pressure through elastic deformation, so that the silicone rubber gasket is tightly attached to the sunroof glass and the vehicle frame, filling the tiny gaps during installation, reducing the risk of water leakage in the initial state from the source, and using the first elastic buffer layer and the buffer cavity to further fill irregular gaps through flexible extrusion, enhancing the fit of the sealing surface, thereby sealing, and using a pressure sensor to monitor the air pressure in the airbag at high frequency to achieve a rapid early warning of sealing failure, avoiding the expansion of the fault, and cooperating with the expansion of the airbag to squeeze the second memory metal and the elastic buffer layer, pushing the gasket tightly against the sunroof, dynamically increasing the sealing pressure, improving the sealing performance, and avoiding frequent maintenance in the later stage.

[0015] (2) An automotive glass gasket that absorbs the impact force when the sunroof is opened and closed through a buffer cavity and an airbag, thereby reducing noise and vibration. Attached Figure Description

[0016] Figure 1 This is a side view of the overall device structure of this utility model;

[0017] Figure 2 This is a side view of the overall device of this utility model;

[0018] Figure 3 This is a side view of the internal structure of the battery casing of this utility model;

[0019] Figure 4 This is the utility model Figure 1 A partial side view of structure A.

[0020] In the diagram: 1. Gasket; 2. First air tube; 3. Air pressure sensor; 4. Solenoid valve; 5. Air valve; 6. Second air tube; 7. Airbag; 8. First shape memory metal; 9. Fixing component; 10. Second shape memory metal; 11. First elastic stretching buffer layer; 12. Second elastic stretching buffer layer; 13. Buffer cavity. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1:

[0023] Please see Figures 1-4A type of automotive glass gasket includes a gasket 1, a fixing member 9 fixedly connected to the middle of the gasket 1, a buffer cavity 13 opened on the inner side of the gasket 1, and an airbag 7 disposed in the buffer cavity 13.

[0024] The inner ends of the gasket 1 are provided with first memory metal 8, and the material of the gasket 1 is silicone rubber.

[0025] The airbag 7 has a second memory metal 10 on its side, and the end of the second memory metal 10 away from the buffer cavity 13 is fixedly connected to the fastener 9.

[0026] The bottom end of the guide strip of the gasket 1 is set as a second elastic stretching buffer layer 12.

[0027] A first elastic stretch buffer layer 11 is provided on the side end of the gasket 1 near the second memory metal 10, and a first air tube 2 is connected to the lower side of the airbag 7. The first elastic stretch buffer layer 11 and the second elastic stretch buffer layer 12 are made of modified silicone rubber foam.

[0028] The first air pipe 2 is sequentially equipped with an air pressure sensor 3, a solenoid valve 4, and an air valve 5. The air valve 5 is equipped with a second air pipe 6, and the gasket 1 is equipped with a temperature sensor.

[0029] Working process: Gasket 1 is manually clamped onto the edge of the car sunroof. Utilizing the guide strips on the sunroof clamping gasket 1 and the shape memory effect of the first shape memory metal 8, it is in a pre-tightened state at room temperature. When gasket 1 is manually clamped onto the edge of the car sunroof, the pre-tightening force generated by its elastic deformation ensures that gasket 1 fits tightly against the sunroof glass and the car body frame, filling any tiny gaps that may exist during installation and reducing the risk of air and water leakage in the initial state, thus ensuring the basic sealing performance of the gasket after installation.

[0030] The air pressure inside the airbag 7 is inflated to a preset standard working pressure value, and the air pressure sensor 3 monitors the air pressure inside the airbag 7 in real time. When the air pressure stabilizes at the standard working pressure value and remains there for a period of time, the system records the air pressure value at this time as the reference air pressure. This reference air pressure serves as the core reference for subsequent judgment of the sealing status.

[0031] During normal use of the car sunroof, the air pressure sensor 3 continuously monitors the air pressure value inside the airbag 7 at a high frequency and transmits the real-time data to the control system.

[0032] If airbag 7 is properly sealed and there is no gas leakage, its internal air pressure should fluctuate slightly near the reference air pressure. Within this fluctuation range, the system determines that the sunroof and gasket 1 are in a sealed state and does not trigger any alarms or actions.

[0033] When the air pressure sensor 3 detects that the air pressure inside the airbag 7 drops by more than 20% within a certain time interval, it is determined that the seal has failed. The system will immediately trigger an alarm and remind the user or maintenance personnel through flashing indicator lights on the vehicle's dashboard and pop-up windows on the central control screen.

[0034] When the solenoid valve 4 is opened and the air valve 5 is activated, outside air is sequentially delivered to the airbag 7 through the second air tube 6 and the first air tube 2. The first elastic buffer layer 11 and the buffer cavity 13 are compressed by the expansion of the airbag 7, which in turn compresses the second shape memory metal 10, the first elastic buffer layer 11, and the buffer cavity 13.

[0035] When the airbag 7 is inflated, it squeezes the second memory metal 10 to bend outward, pushing the first elastic buffer layer 11 to press tightly against the sunroof glass, thereby increasing the sealing pressure. When the sunroof is opened and the solenoid valve 4 is opened, the second memory metal 10 returns to its initial shape, squeezing the airbag 7 in the opposite direction to release gas, thus avoiding gasket deformation fatigue caused by long-term inflation.

[0036] To prevent changes in external temperature from causing an increase in air pressure inside the airbag, a temperature sensor is used to compensate for the air pressure value, eliminating the effects of thermal expansion and contraction.

[0037] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automotive glass gasket, characterized in that, Includes a gasket (1), a fixing member (9) is fixedly connected to the middle of the gasket (1), a buffer cavity (13) is opened on the inner side of the gasket (1), and an airbag (7) is provided in the buffer cavity (13).

2. The automotive glass gasket according to claim 1, characterized in that: The inner ends of the gasket (1) are provided with a first memory metal (8), and the gasket (1) is made of silicone rubber.

3. The automotive glass gasket according to claim 1, characterized in that: The airbag (7) has a second memory metal (10) on its side end, and the end of the second memory metal (10) away from the buffer cavity (13) is fixedly connected to the fastener (9).

4. The automotive glass gasket according to claim 1, characterized in that: The bottom end of the guide strip of the gasket (1) is set as a second elastic stretching buffer layer (12).

5. The automotive glass gasket according to claim 4, characterized in that: The gasket (1) has a first elastic stretch buffer layer (11) on the side near the second memory metal (10), and the airbag (7) has a first air tube (2) connected to its lower side. The first elastic stretch buffer layer (11) and the second elastic stretch buffer layer (12) are made of modified silicone rubber foam.

6. The automotive glass gasket according to claim 5, characterized in that: The first air pipe (2) is sequentially equipped with a pressure sensor (3), a solenoid valve (4) and an air valve (5), the air valve (5) is equipped with a second air pipe (6), and the gasket (1) is equipped with a temperature sensor.

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