Corner connecting structure of glass sealing strip
By optimizing the corner structure of the glass sealing strip and utilizing the buffer groove and multi-layer lip design, the wind noise problem at the corner of the car window was solved, achieving better sealing and noise reduction effects.
Patent Information
- Application Number
- CN202520015616.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-03
AI Technical Summary
The existing sealing structure design at the corner of the window causes wind noise problems. Wind enters the car from the corner where the glass meets the sealing strip, affecting the noise and quietness of the car.
A corner structure for a glass sealing strip is designed, including a first top plate, a second top plate, a first side plate, and a second side plate, forming an accommodating space. The second top plate is recessed downwards to contact the window glass, and airflow is blocked by buffer material and a multi-layer lip structure to enhance the sealing effect.
It effectively reduces the probability of wind entering the vehicle from the corners, reduces wind noise, and improves the vehicle's quietness and driving comfort.
Smart Images
Figure CN223750635U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of sealing structure optimization, in particular to a corner joint structure of a glass sealing strip. BACKGROUND
[0002] During the driving of a vehicle, when the vehicle window glass is sealed only by the elasticity of the sealing strip, wind will enter the vehicle from the corner joint between the glass and the sealing strip, thus generating a large noise, which brings an uncomfortable driving experience to the passengers in the vehicle and affects the overall quietness of the vehicle.
[0003] Therefore, a solution capable of reducing the wind noise at the corner joint of the vehicle window is needed. CONTENT OF THE INVENTION
[0004] The purpose of the present application is to optimize the corner joint structure to reduce the wind noise at the corner joint of the vehicle window.
[0005] To achieve the above purpose, the present application provides a corner joint structure of a glass sealing strip, which is installed on a door panel of a vehicle, and the corner joint structure comprises: a first top plate; a second top plate, which is recessed downward from the middle of the first top plate, and is used to abut against the top of the vehicle window glass; a first side plate, which is connected to one end of the first top plate and is provided with a first lip, the first lip abutting against the outer side of the vehicle window glass; and a second side plate, which is connected to the other end of the first top plate and is provided with a second lip, the second lip abutting against the inner side of the vehicle window glass; wherein the first top plate, the second top plate, the first side plate and the second side plate form a containing space, which is used to contain the vehicle window glass.
[0006] In an embodiment, the corner joint structure further comprises a buffer material, the width of the buffer material is greater than the width of the second top plate, and the thickness of the buffer material is greater than the distance between the first top plate and the second top plate.
[0007] In another embodiment, the second side plate further comprises an outer lip, the outer lip is opposite to the second lip in the direction, and the outer lip is used to abut against the inner side of the door panel.
[0008] In still another embodiment, the first side plate is further provided with a clamping lip, the clamping lip is opposite to the first lip in the direction, and the clamping lip is used to clamp the outer side of the door panel.
[0009] In an embodiment, the thickness of the first side plate at the clamping lip is less than the average thickness of the first side plate, when the clamping lip clamps the outer side of the door panel, the first side plate is bent at the clamping lip, so that the edge of the first side plate abuts against the outer side of the vehicle window glass.
[0010] In another embodiment, the second side plate comprises at least two second lips.
[0011] In another embodiment, the corner joint structure further comprises a clamping plate, the clamping plate is folded from the second side edge towards the inner side of the door panel, and then folded towards the top, and the gap formed between the clamping plate and the second side edge is used to clamp the inner side of the door panel.
[0012] In an embodiment, the buffer material is at least one of the following: EPE pearl wool, polyurethane foam, rubber foam, and silica gel pad.
[0013] Compared with the prior art, the corner joint structure of the glass sealing strip has the following beneficial effects:
[0014] The second top plate and the first top plate of the corner joint structure form a buffer groove, and the structure of the buffer groove enables sufficient deformation between the first top plate and the second top plate under stress. Specifically, when the vehicle window glass rises and approaches the corner joint structure, the bottom of the buffer groove, i.e., the second top plate, can be in contact with the vehicle window glass, and the rising vehicle window glass drives the second top plate to deform relative to the first top plate. Therefore, on the basis of the elasticity of the material itself, the rebound force generated by the deformation can further enable the second top plate to be in close contact with the vehicle window glass, thereby reducing the probability of air from the outside of the vehicle window entering the vehicle interior through the gap between the corner joint structure and the vehicle window glass. Since the air flow is reduced, the probability of vibration caused by air flow is also reduced, thereby reducing wind noise. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 FIG. 1 is a schematic diagram of an assembly of a corner joint structure and a vehicle window glass according to an embodiment of the present application.
[0016] Figure 2 FIG. 2 is a schematic diagram of a structure of a corner joint structure according to an embodiment of the present application.
[0017] Figure 3 FIG. 3 is a schematic diagram of an assembly of a corner joint structure and a vehicle body panel according to an embodiment of the present application.
[0018] Figure 4 FIG. 4 is a schematic diagram of an air flow path of a corner joint structure according to an embodiment of the present application.
[0019] REFERENCE SIGNS:
[0020] 1, corner joint structure, 11, first top plate, 12, second top plate, 13, first side plate, 131, first lip, 132, clamping lip, 14, second side plate, 141, second lip, 142, outer lip, 143, clamping plate, 15, buffer material, 2, door panel, 21, inner side of the door panel, 22, outer side of the door panel, 3, vehicle window glass, 31, top of the vehicle window glass, 32, outer side of the vehicle window glass, 33, inner side of the vehicle window glass. DETAILED DESCRIPTION
[0021] The specific embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.
[0022] In the description of the present application, it should be understood that the term "opposite direction" is used in the present application to refer to the approximate orientation of the branch structure compared to the main body structure. For example, if the main body structure is arranged in the 12 o'clock direction, one branch structure is arranged in the 10 o'clock direction, and the other branch structure is arranged in the 2 o'clock direction, the two structures can still be understood as "opposite direction".
[0023] Among the factors that affect the driving experience of the vehicle, noise is one of the factors that cannot be ignored. The sealing performance of the vehicle door plays a crucial role in noise control and air tightness of the vehicle. The door glass guide groove sealing strip, as a key component of the door sealing system, its design is directly related to the sealing performance and noise control of the vehicle.
[0024] However, the existing sealing strip has a design defect at the corner structure. When the sealing strip is not compressed enough, air flow can easily flow into the gap during driving, thereby causing vibration of the window glass. The vibration of the window glass can cause noise.
[0025] In order to reduce this situation, as shown in Figure 1 , Figure 2 and Figure 3 , the corner structure 1 of the glass sealing strip of the preferred embodiment of the present application comprises: a first top plate 11, a second top plate 12, a first side plate 13 and a second side plate 14. The first top plate 11, the second top plate 12, the first side plate 13 and the second side plate 14 form a containing space for containing the window glass 3.
[0026] The second top plate 12 is recessed downward from the middle of the first top plate 11, and the second top plate 12 is used to abut against the top 31 of the window glass. The first side plate 13 is connected to one end of the first top plate 11, and the first side plate 13 is provided with a first lip 131 abutting against the outer side 32 of the window glass. The second side plate 14 is connected to the other end of the first top plate 11, and the second side plate 14 is provided with a second lip 141 abutting against the inner side 33 of the window glass.
[0027] In the conventional scheme, only a basic planar sealing structure contacts the top 31 of the window glass, and the sealing is achieved by relying on the elasticity of the material of the sealing structure. However, as time increases, the contact between the window glass 3 and the sealing structure is insufficient, the material resilience is not enough, and air can still enter the gap, resulting in noise.
[0028] In the present application, the first top plate 11 is recessed downward to form the second top plate 12. The first top plate 11 does not directly contact the window glass 3, but contacts the window glass 3 through the second top plate 12. Since the buffer groove formed by the first top plate 11 and the second top plate 12 has a certain deformation space, that is, the spacing between the first top plate 11 and the second top plate 12 can change after being stressed, when the window glass 3 is lifted, the window glass 3 abuts below the second top plate 12, driving the second top plate 12 to move upward, which overcomes the elastic force of the material itself and the deformation resistance between the first top plate 11 and the second top plate 12. Therefore, the second top plate 12 can tightly adhere to the upper part of the window glass 3, reducing the probability of air entering the vehicle interior from the gap between the corner structure 1 and the window glass 3, thereby reducing wind noise.
[0029] In an embodiment, as shown in Figure 1 , Figure 2 and Figure 3 , the corner structure 1 further includes a buffer material 15, the width of the buffer material 15 is greater than the width of the second top plate 12, and the thickness of the buffer material 15 is greater than the spacing between the first top plate 11 and the second top plate 12.
[0030] In the above embodiment, since the width of the buffer structure is greater than the width of the second top plate 12, when the second top plate 12 deforms, the buffer material 15 can still be in contact with the first top plate 11, further reducing the probability of air entering the vehicle interior from the gap between the door panel 2 and the corner structure 1, and further reducing wind noise.
[0031] As shown in Figure 4 , the buffer groove formed by the first top plate 11 and the second top plate 12 can block the wind from entering the vehicle interior along the airflow path C. The buffer material 15 can further block the wind from entering the vehicle interior along the airflow path B.
[0032] Further, since the thickness of the buffer material 15 is greater than the spacing between the first top plate 11 and the second top plate 12, the buffer material 15 has sufficient deformation space, so the buffer material 15 can produce sufficient elastic deformation to form a seal. At the same time, the buffer material 15 with a relatively thick thickness has better fatigue resistance than a thin layer of conventional buffer, and still maintains good elasticity after multiple uses.
[0033] As shown in Figure 1 , Figure 2 and Figure 3 , the second side plate 14 in the present application can further include an outer lip 142, which is opposite to the second lip 141 in direction, and the outer lip 142 is used to abut against the inner side 21 of the door panel.
[0034] In the conventional scheme, the sealing structure is only arranged on the side close to the glass, while the outer lip 142 arranged in the present application is used to abut against the inner side 21 of the door panel, so as to block the air flow from entering the vehicle body along the air flow path B as shown. Figure 4
[0035] In another embodiment, the first side plate 13 further comprises a clamping lip 132, which is arranged opposite to the first lip 131, and is used to clamp the outer side 22 of the door panel.
[0036] Due to the presence of the clamping lip 132, the air flow at the starting position of the air flow path B is blocked, so as to effectively slow down the speed of the air flow entering the vehicle body, and to assist in reducing the noise generated by the air flow vibration.
[0037] In the above embodiment, in one embodiment, the thickness of the first side plate 13 at the clamping lip 132 is less than the average thickness of the first side plate 13. When the clamping lip 132 clamps the outer side 22 of the door panel, the first side plate 13 is bent at the clamping lip 132, so that the edge of the first side plate 13 abuts against the outer side 32 of the window glass.
[0038] Since the thickness of the first side plate 13 at the clamping lip 132 is small, it is easier to bend. When the clamping lip 132 abuts against the outer side 22 of the door panel, the downward force of the door panel 2 on the clamping lip 132 causes the clamping lip 132 to drive the first side plate 13 to bend along the weak part of the first side plate 13, so that the edge of the first side plate abuts against the outer side 32 of the window glass, thereby increasing the sealing performance of the first side plate 13 and the window glass 3, and further reducing the probability of air flow along the air flow path C.
[0039] It can be understood that although the thickness of the first side plate 13 at the clamping lip 132 is less than the average thickness of the first side plate 13, the first side plate 13 at this position still meets the mechanical performance requirements. Those skilled in the art can comprehensively consider the deformation requirement of the first side plate 13 and the strength requirement of the first side plate 13 according to actual needs.
[0040] In another embodiment, the second side plate 14 can comprise at least two second lips 141. When there are multiple second lips 141, even if the previous second lip 141 does not completely block the air flow, the subsequent second lip 141 can further play a sealing effect, further weakening the flow rate of the entering air flow, and the noise intensity generated by the reduced air flow rate will also be reduced or even eliminated, so as to further suppress the wind noise.
[0041] In another embodiment, the corner joint structure 1 can further comprise a clamping plate 143, as shown in Figure 2 、 Figure 3 As shown, the clamping plate 143 is first bent towards the inner side 21 of the door panel, and then bent upwards. The gap between the clamping plate 143 and the second side edge is used to clamp the inner side 21 of the door panel.
[0042] The cooperation between the clamping plate 143 and the door panel 2 sets up another barrier at the end of the airflow path B, thereby reducing the possibility of airflow passing through, and effectively reducing the speed of airflow passing through even if it does, further improving the noise control level and improving the driving comfort.
[0043] In an embodiment, the buffer material 15 is at least one of the following: EPE (Expandable Polyethylene) pearl wool; polyurethane foam; rubber foam; silica gel pad.
[0044] The specific material used as the buffer material 15 depends on the actual cost requirements and other design specifications. The scheme in the present application is applicable to any common buffer material 15 on the market. The listed materials are only exemplary, and the present application does not specifically limit the material of the buffer material 15. When any material is used as the buffer material 15, if it meets the scheme described in any embodiment of the present application, it should fall within the protection scope of the present application.
[0045] In summary, in the corner joint structure 1 provided in the embodiments of the present application, the second top plate 12 and the first top plate 11 jointly form a buffer groove. The structural characteristics of the buffer groove determine that sufficient deformation can occur between the first top plate 11 and the second top plate 12 under stress. Specifically, when the window glass 3 is raised and approaches the corner joint structure 1, the bottom of the buffer groove (i.e., the second top plate 12) will be in contact with the window glass 3. As the window glass 3 continues to rise, it will cause the second top plate 12 to deform relative to the first top plate 11. In this way, on the basis of the elasticity of the material itself, the rebound force generated by the deformation can further promote the close contact between the second top plate 12 and the window glass 3. Thus, the possibility of wind outside the window entering the vehicle interior from between the corner joint structure 1 and the window glass 3 is reduced. Since the air flow is reduced, the probability of vibration caused by air flow is also reduced, thereby reducing wind noise.
[0046] The present application further provides various structures for blocking airflow or slowing down airflow speed, thereby gradually improving the noise reduction level and contributing to the optimization of sealing structure technology.
[0047] The above is only a preferred embodiment of the present application. It should be noted that those skilled in the art can make several improvements and replacements without departing from the technical principles of the present application. These improvements and replacements should also be considered within the protection scope of the present application.
Claims
1. A corner structure for a glass sealing strip, characterized in that, The corner connecting structure (1) is installed on a door panel (2), and the corner connecting structure (1) comprises: a first top plate (11); a second top plate (12) recessed downward from a middle part of the first top plate (11), the second top plate (12) being used to abut against a top part (31) of a window glass; a first side plate (13) connected to one end of the first top plate (11), the first side plate (13) being provided with a first lip (131) abutting against an outer side (32) of the window glass; a second side plate (14) connected to the other end of the first top plate (11), the second side plate (14) being provided with a second lip (141) abutting against an inner side (33) of the window glass; wherein the first top plate (11), the second top plate (12), the first side plate (13) and the second side plate (14) form a containing space for containing the window glass (3).
2. The corner joint structure according to claim 1, characterized by The corner connecting structure (1) further comprises a buffer material (15), the buffer material (15) having a width greater than that of the second top plate (12) and a thickness greater than the distance between the first top plate (11) and the second top plate (12).
3. The corner joint structure according to claim 1, characterized by The second side plate (14) further comprises an outer side lip (142) opposite to the second lip (141), the outer side lip (142) being used to abut against an inner side (21) of the door panel.
4. The corner joint structure according to claim 1, characterized by The first side plate (13) is further provided with a clamping lip (132) opposite to the first lip (131) in direction, the clamping lip (132) being used to clamp the outer side (22) of the door panel.
5. The corner joint structure according to claim 4, characterized by The first side plate (13) has a thickness at the clamping lip (132) smaller than the average thickness of the first side plate (13), when the clamping lip (132) clamps the outer side (22) of the door panel, the first side plate (13) is bent at the clamping lip (132) so that the edge of the first side plate (13) abuts against the outer side (32) of the window glass.
6. The corner joint structure according to claim 1, wherein The second side plate (14) comprises at least two second lips (141).
7. The corner joint structure according to claim 1, wherein The corner connecting structure (1) further comprises a clamping plate (143) bent from the second side plate (14) towards the inner side (21) of the door panel and then upwards, the gap formed by the clamping plate (143) and the second side plate (14) being used to clamp the inner side (21) of the door panel.
8. The corner joint structure according to claim 2, wherein The buffer material (15) is at least one of the following: EPE pearl wool; polyurethane foam; rubber foam; silica gel pad.