Frameless window glass installation methods and vehicles

Abstract

This invention relates to the field of vehicle assembly technology, and discloses a method for installing frameless window glass and a vehicle. The installation method includes the following steps: providing a glass lifting device including a bracket and a lifting assembly, the lifting assembly including a slider and a slide rail; establishing the relative positioning of the bracket and the slide rail, and installing the bracket on the slider using the slide rail as a positioning reference; providing a frameless door, and installing the glass lifting device on the frameless door using the slide rail as a positioning reference; providing glass, and installing the glass on the bracket. This invention enables the bracket to eliminate the cumulative error between the slide rail and the slider, and between the slider and the bracket in terms of installation accuracy, shortening the positioning error accumulation chain, thereby improving the fitting accuracy between the glass and the vehicle body and reducing the gap surface difference between the glass and the vehicle body.

Description

Technical Field

[0001] This application relates to the field of vehicle assembly technology, and more particularly to a method for installing frameless window glass and a vehicle. Background Technology

[0002] As the automotive industry continues to develop, cars are no longer just simple means of transportation for consumers; consumers have increasingly higher demands for car appearance and personalization. Frameless doors, as a personalized exterior design element, were initially typically found in high-end sports cars, but with changes in market consumer demand, this design has gradually been incorporated into mid-range and even some low-end cars.

[0003] The surface difference in the fit between frameless door glass and the B-pillar of the vehicle body presents a greater challenge than the fit between traditional framed doors due to the longer assembly dimensional chain and the longer cumulative chain of assembly errors. Currently, the mainstream solution for OEMs is to add frameless glass sub-assembly fixtures in the final assembly workshop. The glass is positioned and assembled using the fixture against the outer or inner panel of the door to absorb system tolerances, shorten the dimensional chain, and ensure the target surface difference in the circumference of the frameless glass is achieved. However, this solution has the following drawbacks: 1. When multiple models (all frameless doors) are on the same production line, the frameless glass sub-assembly fixture needs to be compatible with the glass and door boundaries of multiple models, resulting in a complex equipment structure, high design difficulty, and a long debugging cycle when switching models; 2. The frameless glass sub-assembly fixture solution has a high initial investment cost, and due to the difficulty of daily maintenance, additional personnel are required, leading to a significant increase in per-vehicle costs. Summary of the Invention

[0004] To address the aforementioned issues, this application provides a frameless window glass installation method, resolving the problem in the prior art of configuring complex frameless glass assembly fixtures in the final assembly workshop to improve the assembly accuracy of frameless glass.

[0005] To address the aforementioned issues, this application provides a vehicle that solves the problem of insufficient assembly precision between frameless glass and the vehicle body in the prior art.

[0006] On one hand, embodiments of this application provide a method for installing frameless window glass, which includes the following steps: A glass lifting device is provided, the glass lifting device including a bracket and a lifting assembly, the lifting assembly including a slider and a slide rail; Establish the relative positioning between the bracket and the slide rail, and fix the bracket on the slider with the slide rail as the positioning reference; A frameless car door is provided, and the glass lifting device is installed on the frameless car door with the sliding rail as the positioning reference. Provide glass and mount the glass onto the bracket.

[0007] Specifically, the bracket is used to mount the glass. During use, the glass needs to move up and down; therefore, the bracket must be mounted on the slider of the lifting assembly to achieve this movement. This application establishes a relative positioning between the bracket and the slide rail. The bracket is mounted on the slider with the slide rail as the positioning reference, and the glass lifting device is also mounted on the frameless door with the slide rail as the positioning reference. On one hand, this design eliminates the cumulative errors between the slide rail and the slider, and between the slider and the bracket, shortening the positioning error accumulation chain. This improves the fit accuracy between the glass and the vehicle body and reduces surface differences in the gap between the glass and the vehicle body. On the other hand, this design, using the bracket and the lifting assembly as positioning objects, compared to a design using the glass and the vehicle body as positioning objects, allows the glass positioning process to be moved forward, enabling advance material preparation and effectively ensuring the efficient and stable execution of the final assembly process, thereby improving the overall production efficiency of the vehicle.

[0008] As a technical solution, establishing the relative positioning of the bracket and the slide rail specifically includes: providing tooling, and using the latest positioning state of the tooling to establish the relative positioning of the bracket and the slide rail; After the glass is mounted on the bracket, the mounting method further includes the step of: The frameless door is installed on the vehicle body; Obtain the gap surface difference between the glass installed on the frameless door and the vehicle body, and use the gap surface difference to perform reverse calibration on the tooling to obtain the latest positioning state of the tooling.

[0009] Specifically, on the one hand, the tooling in this solution operates between the bracket and the lifting assembly. The bracket and lifting assembly generally have high universality and minimal differences across different vehicle models. That is to say, although the overall vehicle body shape and the perimeter shape of the glass vary significantly across different models, the lower end of the glass, the bracket, and the lifting assembly are all located inside the frameless door, not as exterior parts, and therefore do not require excessive customization. Thus, the installation and positioning structure of the lower end of the glass across different models is very similar or even uniform, and the bracket and lifting assembly can also be standardized. Based on this, the tooling has high universality and can meet the production needs of multiple different vehicle models. In summary, the tooling has low design difficulty and low initial manufacturing cost, requires fewer types of tooling, and has low adjustment difficulty and debugging cycle during production model switching. Daily maintenance is simple, has almost no impact on production efficiency, requires no additional personnel, and therefore does not increase the cost per vehicle. Compared to conventional positioning devices that directly target the glass and door boundaries, which suffer from significant differences in shape between vehicle models (i.e., substantial variations in glass and door dimensions), these devices are structurally complex, difficult to design, and struggle to achieve universality. Furthermore, they involve lengthy debugging cycles when switching vehicle models. In these aspects, the tooling in this solution, which uses the bracket and lifting assembly as positioning objects, offers a clear advantage. On the other hand, by acquiring the gap surface difference and using it for reverse calibration of the tooling, the positioning state of the tooling is updated, thereby adjusting the relative positioning of the bracket and the slide rail. This achieves closed-loop control of the glass gap surface difference, thus ensuring the overall appearance quality of the vehicle.

[0010] As a technical solution, obtaining the gap surface difference between the glass already installed on the frameless door and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling includes: Obtain a predetermined number of gaps between the glass already installed on the frameless door and the vehicle body; Based on the obtained gap surface difference, obtain the reverse calibration adjustment value; The tooling is reverse calibrated based on the reverse calibration adjustment value.

[0011] As a technical solution, the tooling includes a first positioning end and a second positioning end with adjustable relative positions. The first positioning end is used to connect with the bracket, and the second positioning end is used to connect with the slide rail. Adjusting the relative positions of the first positioning end and the second positioning end can change the positioning state of the tooling. The step of reverse calibrating the tooling according to the reverse calibration adjustment value specifically includes: adjusting the relative position of the first positioning end and the second positioning end according to the reverse calibration adjustment value.

[0012] As a technical solution, obtaining the reverse calibration adjustment value based on the acquired gap surface difference includes: Arrange the gap surface differences in ascending or descending order; Obtain the median value of the gap surface difference; The reverse calibration adjustment value is calculated based on the median of the gap surface difference.

[0013] Specifically, using the median of the gap surface difference to perform reverse calibration on the tooling can eliminate the influence of errors in extreme cases and improve the reliability of reverse calibration.

[0014] As a technical solution, obtaining the gap surface difference between the glass already installed on the frameless door and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling includes: When the model of production changes, the gap difference between the first glass installed on the frameless door and the whole vehicle body is obtained, and the tooling is reverse-calibrated using the first gap difference.

[0015] Specifically, by using the first mentioned gap surface difference for reverse calibration, the initial reverse calibration can be achieved in the shortest possible time when switching vehicle models, thereby quickly determining the accuracy of the tooling's positioning status and avoiding a large number of rework after mass production. Of course, using the first mentioned gap surface difference for reverse calibration does not mean that subsequent production does not require reverse calibration; rather, reverse calibration still needs to be performed in a timely manner during subsequent production processes.

[0016] As a technical solution, the upper end of the slide rail is provided with a first positioning structure, and the lower end of the slide rail is provided with a second positioning structure; The step of establishing the relative positioning of the bracket and the slide rail, and installing the bracket on the slider with the slide rail as the positioning reference, specifically includes: establishing the relative positioning of the bracket with the first positioning structure and the second positioning structure, and installing the bracket on the slider with the first positioning structure and the second positioning structure as the positioning reference; The step of installing the glass lifting device on the frameless door using the slide rail as a positioning reference specifically includes: the glass lifting device being installed on the frameless door via the first positioning structure and the second positioning structure.

[0017] Specifically, the assembly of the bracket with the lifting assembly, and the assembly of the lifting assembly with the frameless door, both use the first positioning structure and the second positioning structure as positioning references. This can eliminate positioning errors between different parts of the slide rail, thereby further shortening the cumulative chain of positioning errors between the bracket and the frameless door, and thus effectively improving the quality of the gap surface difference between the glass and the vehicle body.

[0018] As a technical solution, the first positioning structure and the second positioning structure are studs, and the tooling is equipped with a Y-axis detection device; Establishing the relative positioning of the bracket with the first positioning structure and the second positioning structure includes at least the following: The relative positioning of the bracket and the stud in the Y direction is obtained using the Y-direction detection device. The screwing depth of the stud is adjusted to adjust the relative positioning in the Y direction until the relative positioning in the Y direction meets the preset requirements.

[0019] Specifically, both the first and second positioning structures are studs, which are cylindrical. On one hand, the tooling connection effectively ensures the accuracy of the X-axis and Z-axis relative positioning of the bracket and the slide rail. On the other hand, by setting the Y-axis detection device and adjusting the screw depth of the stud, closed-loop control is achieved for the Y-axis relative positioning, thereby effectively ensuring the accuracy of the Y-axis relative positioning. This results in high overall accuracy of the relative positioning of the bracket and the slide rail. Further, the X-axis refers to the length direction of the vehicle body, the Y-axis refers to the width direction of the vehicle body, and the Z-axis refers to the height direction of the vehicle body. The X, Y, and Z axes are three mutually perpendicular directions.

[0020] As a technical solution, one side of the bracket is provided with a first positioning hole, a second positioning hole and a first positioning surface, and the other side of the bracket is provided with a positioning post and a second positioning surface; The step of establishing the relative positioning of the bracket and the slide rail, and installing the bracket on the slider with the slide rail as the positioning reference, specifically includes: establishing the relative positioning of the bracket and the slide rail in the X direction and the relative positioning in the Z direction through the first positioning hole and the second positioning hole, and installing the bracket on the slider with the relative positioning in the X direction, the relative positioning in the Z direction, and the first positioning surface in contact with the slider as the positioning reference; The specific steps of mounting the glass on the bracket include: establishing relative positioning of the glass and the bracket in the X-direction and Z-direction through the positioning post; establishing relative positioning of the glass and the bracket in the Y-direction through the second positioning surface in contact with the glass; and mounting the glass on the bracket with the relative positioning of the glass in the X-direction, Z-direction, and Y-direction as positioning references.

[0021] Specifically, by providing structures for positioning the lifting assembly and the glass on both sides of the bracket, since the bracket is an integrally formed structure, the positioning accuracy of the bracket, the lifting assembly, and the glass can be better controlled, thereby improving the quality of the gap surface difference between the glass and the vehicle body.

[0022] On the other hand, this application embodiment also provides a vehicle, which includes a vehicle body, frameless doors and glass. The frameless doors are installed on the vehicle body. The vehicle also includes the aforementioned glass lifting device, which is installed on the frameless doors. The glass is installed on the glass lifting device, and the glass is assembled on the vehicle body using the aforementioned frameless window glass installation method.

[0023] Specifically, by setting up the glass lifting device that can shorten the positioning error accumulation chain, the fitting accuracy between the glass and the vehicle body can be improved, and the abnormality of the gap surface between the glass and the vehicle body can be reduced.

[0024] The beneficial effects of this application are: The bracket serves to mount the glass, which needs to move up and down during use. Therefore, the bracket must be mounted on the slider of the lifting assembly to achieve this movement. This application establishes a relative positioning between the bracket and the slide rail. The bracket is mounted on the slider with the slide rail as the positioning reference, and the glass lifting device is also mounted on the frameless door with the slide rail as the positioning reference. On one hand, this design eliminates the cumulative errors between the slide rail and the slider, and between the slider and the bracket, shortening the positioning error accumulation chain. This improves the fit accuracy between the glass and the vehicle body, reducing surface differences in the gaps between the glass and the vehicle body. On the other hand, this tooling operates between the bracket and the lifting assembly. The bracket and the lifting assembly generally have high universality and low variation across different vehicle models. Therefore, the design difficulty and initial manufacturing cost of the tooling are low, as are the adjustment difficulty and debugging cycle during production model switching. Daily maintenance is simple, with minimal impact on production efficiency, no need for additional personnel, and no increase in per-vehicle cost. Attached Figure Description

[0025] Figure 1 A schematic flowchart illustrating the frameless window glass installation method provided in this application embodiment; Figure 2 Example diagram of the frameless window glass installation method provided in the embodiments of this application; Figure 3 Example diagram of a window lifting device provided in an embodiment of this application; Figure 4 This is a partial schematic diagram of a window lifting device provided in an embodiment of this application; Figure 5 A first-view schematic diagram of the bracket provided in an embodiment of this application; Figure 6 A second-view schematic diagram of the bracket provided in the embodiments of this application; Figure 7 A schematic diagram of the glass lifting device and glass assembly provided in the embodiments of this application; Figure 8 This is a partial schematic diagram of the glass lifting device and glass assembly provided in the embodiments of this application.

[0026] Figure label: 1-Bracket; 11-First positioning hole; 12-Second positioning hole; 13-First positioning surface; 14-Positioning pin; 15-Second positioning surface; 16-Fixing hole; 2-Lifting assembly; 21-Slider; 22-Slide rail; 221-First positioning structure; 222-Second positioning structure; 3- Frameless doors; 4-Glass; 41-U-groove. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0028] Example 1: This embodiment provides a method for installing frameless window glass, such as... Figure 1 and Figure 2 As shown, the frameless window glass installation method includes the following steps: A glass lifting device is provided, which includes a bracket 1 and a lifting assembly 2, the lifting assembly 2 including a slider 21 and a slide rail 22; Establish the relative positioning between bracket 1 and slide rail 22, and install bracket 1 on slider 21 with slide rail 22 as the positioning reference; A frameless door 3 is provided, and the window lifting device is installed on the frameless door 3 with the sliding rail 22 as the positioning reference. Provide glass 4 and install glass 4 on bracket 1.

[0029] Specifically, the bracket 1 is used to mount the glass 4. The glass 4 needs to move up and down during use, meaning the bracket 1 must be mounted on the slider 21 of the lifting assembly 2 to achieve this movement. This application establishes a relative positioning between the bracket 1 and the slide rail 22, mounting the bracket 1 on the slider 21 with the slide rail 22 as the positioning reference. The glass lifting device is also mounted on the frameless door 3 with the slide rail 22 as the positioning reference. On one hand, this design eliminates the cumulative errors between the slide rail 22 and the slider 21, and between the slider 21 and the bracket 1, shortening the positioning error accumulation chain. This improves the fit accuracy between the glass 4 and the vehicle body, reducing surface differences in the gap between the glass 4 and the vehicle body. On the other hand, this design, using the bracket 1 and the lifting assembly 2 as the positioning objects, compared to a scheme using the glass 4 and the vehicle body as the positioning objects, allows the glass 4 positioning process to be moved forward, facilitating advance material preparation and effectively ensuring the efficient and stable execution of the final assembly process, thereby improving the overall production efficiency of the vehicle.

[0030] In the specific implementation process, the step "providing a glass lifting device, which includes a bracket 1 and a lifting assembly 2, the lifting assembly 2 including a slider 21 and a slide rail 22; establishing the relative positioning of the bracket 1 and the slide rail 22, and installing the bracket 1 on the slider 21 with the slide rail 22 as the positioning reference" can be regarded as a set of prefabrication processes. By prefabricating, the process can be moved forward, which can help improve the production efficiency of the whole vehicle. The steps after the glass lifting device is manufactured can be carried out on the final assembly line, such as installing the glass lifting device on the frameless door 3, and installing the glass 4 on the glass lifting device.

[0031] In one embodiment, such as Figure 1 and Figure 2 As shown, establishing the relative positioning of the bracket 1 and the slide rail 22 specifically includes: providing a tooling fixture, and using the latest positioning state of the tooling fixture to establish the relative positioning of the bracket 1 and the slide rail 22; after installing the glass 4 on the bracket 1, the installation method further includes the following steps: The frameless door 3 is installed on the entire vehicle body; Obtain the gap surface difference between the glass 4 installed on the frameless door 3 and the vehicle body, and use the gap surface difference to perform reverse calibration of the tooling to obtain the latest positioning state of the tooling.

[0032] Specifically, on the one hand, the tooling in this solution operates between the bracket 1 and the lifting component 2. The bracket 1 and lifting component 2 generally have high universality and minimal differences across different vehicle models. That is to say, although the overall vehicle body shape and the perimeter shape of the glass 4 vary significantly across different models, the lower end of the glass 4, the bracket 1, and the lifting component 2 are all located inside the frameless door 3, not as exterior parts, and therefore do not require excessive customization. Thus, the installation and positioning structure of the lower end of the glass 4 across different models is very similar or even uniform, and the bracket 1 and lifting component 2 can also be uniform. Based on this, the tooling has high universality and can meet the production needs of multiple different vehicle models. In summary, the design difficulty and one-time manufacturing cost of the tooling are relatively low, the types of tooling required are also relatively few, and the adjustment difficulty and debugging cycle during the switching of production models are also low. Daily maintenance is simple, and it will hardly affect production efficiency, requiring no additional personnel and thus not increasing the cost per vehicle. Compared to conventional positioning devices that directly target the glass and door boundaries, which suffer from significant differences in shape between different vehicle models (i.e., substantial variations in glass and door dimensions), these devices are structurally complex, difficult to design, and struggle to achieve universality. Furthermore, they involve lengthy debugging cycles when switching vehicle models. In these aspects, the tooling in this solution, which uses the bracket and lifting assembly as positioning objects, offers a clear advantage. On the other hand, by acquiring the gap surface difference and using it for reverse calibration of the tooling, the positioning state of the tooling is updated, thereby adjusting the relative positioning of the bracket 1 and the slide rail 22. This achieves closed-loop control of the gap surface difference of the glass 4, thus ensuring the overall appearance quality of the vehicle.

[0033] In one embodiment, during both the trial production and mass production stages of the vehicle, the step of "obtaining the gap surface difference between the glass 4 installed on the frameless door 3 and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling" needs to be performed. Specifically, by using the gap surface difference to perform reverse calibration of the tooling during both the trial production and mass production stages of the vehicle, the installation accuracy of the glass 4 can be continuously and dynamically monitored, thereby ensuring the consistency and reliability of the installation accuracy of the glass 4.

[0034] In one embodiment, obtaining the surface difference between the glass 4 installed on the frameless door 3 and the vehicle body, and using the surface difference to perform reverse calibration of the tooling, includes: Obtain the gap surface difference between the predetermined number of glass 4 already installed on the frameless door 3 and the entire vehicle body; Based on the obtained gap surface difference, obtain the reverse calibration adjustment value; The tooling is reverse calibrated based on the reverse calibration adjustment value.

[0035] In one embodiment, the tooling includes a first positioning end and a second positioning end with adjustable relative positions. The first positioning end is used to connect with the bracket, and the second positioning end is used to connect with the slide rail. Adjusting the relative positions of the first positioning end and the second positioning end can change the positioning state of the tooling. The step of reverse calibrating the tooling according to the reverse calibration adjustment value specifically includes: adjusting the relative position of the first positioning end and the second positioning end according to the reverse calibration adjustment value.

[0036] In one embodiment, obtaining the reverse calibration adjustment value based on the acquired gap surface difference includes: Arrange the gap surface differences in ascending or descending order; Obtain the median value of the gap surface difference; The reverse calibration adjustment value is calculated based on the median of the gap surface difference.

[0037] Specifically, using the median of the gap surface difference to perform reverse calibration on the tooling can eliminate the influence of errors in extreme cases and improve the reliability of reverse calibration.

[0038] In one embodiment, obtaining the gap surface difference between the glass 4 installed on the frameless door 3 and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling includes: When the model of production changes, the gap surface difference between the glass 4 that has been installed on the first frameless door 3 and the whole vehicle body is obtained, and the tooling is reverse-calibrated using the first gap surface difference.

[0039] Specifically, by using the first mentioned gap surface difference for reverse calibration, the initial reverse calibration can be achieved in the shortest possible time when switching vehicle models, thereby quickly determining the accuracy of the tooling's positioning status and avoiding a large number of rework after mass production. Of course, using the first mentioned gap surface difference for reverse calibration does not mean that subsequent production does not require reverse calibration; rather, reverse calibration still needs to be performed in a timely manner during subsequent production processes.

[0040] In one embodiment, such as Figure 3 and Figure 4 As shown, a first positioning structure 221 is provided at the upper end of the slide rail 22, and a second positioning structure 222 is provided at the lower end of the slide rail 22; the step of "establishing the relative positioning between the bracket 1 and the slide rail 22, installing the bracket 1 on the slider 21 with the slide rail 22 as the positioning reference, and assembling the bracket 1 and the lifting assembly 2 to form a glass lifting device" specifically includes: Establish the relative positioning of bracket 1 with the first positioning structure 221 and the second positioning structure 222. Using the first positioning structure 221 and the second positioning structure 222 as positioning references, install bracket 1 on slider 21. After bracket 1 and lifting assembly 2 are assembled, a glass lifting device is formed. The step "installing the window lift device on the frameless door 3 using the slide rail 22 as the positioning reference" specifically includes: The window lifting device is installed on the frameless door 3 via the first positioning structure 221 and the second positioning structure 222.

[0041] Specifically, the assembly of bracket 1 and lifting component 2, as well as the assembly of lifting component 2 and frameless door 3, both use the first positioning structure 221 and the second positioning structure 222 as positioning references, which can eliminate positioning errors between different parts of slide rail 22, thereby further shortening the positioning error accumulation chain between bracket 1 and frameless door 3, and thus effectively improving the gap surface difference quality between glass 4 and the whole vehicle body.

[0042] In one embodiment, the first positioning structure 221 and the second positioning structure 222 are studs, and a Y-axis detection device is provided on the tooling; the step of "establishing the relative positioning of the bracket 1 with the first positioning structure 221 and the second positioning structure 222" includes at least: using the Y-axis detection device to obtain the Y-axis relative positioning of the bracket 1 and the stud, adjusting the screwing depth of the stud to adjust the Y-axis relative positioning, until the Y-axis relative positioning meets the preset requirements.

[0043] Specifically, both the first positioning structure 221 and the second positioning structure 222 are studs, which are cylindrical. On the one hand, the tooling connection can effectively ensure the accuracy of the relative positioning of the bracket 1 and the slide rail 22 in the X and Z directions. On the other hand, by setting a Y-direction detection device and adjusting the screw depth of the stud, closed-loop control of the relative positioning in the Y direction is achieved, thereby effectively ensuring the accuracy of the relative positioning in the Y direction. Thus, the overall relative positioning of the bracket 1 and the slide rail 22 has high accuracy. Furthermore, the X direction refers to the length direction of the vehicle body, the Y direction refers to the width direction of the vehicle body, and the Z direction refers to the height direction of the vehicle body. The X, Y, and Z directions are three mutually perpendicular directions.

[0044] In the specific implementation process, the gap deviation range of the relative positioning in the Y direction is [-0.5mm, +0.5mm], and the range is below 0.5mm.

[0045] In one embodiment, such as Figure 5 and Figure 6As shown, one side of the bracket 1 is provided with a first positioning hole 11, a second positioning hole 12 and a first positioning surface 13, and the other side of the bracket 1 is provided with a positioning post 14 and a second positioning surface 15. The step "establishing the relative positioning between the bracket 1 and the slide rail 22, and installing the bracket 1 on the slider 21 with the slide rail 22 as the positioning reference" specifically includes: establishing the relative positioning of the bracket 1 and the slide rail 22 in the X direction and the relative positioning in the Z direction through the first positioning hole 11 and the second positioning hole 12, and installing the bracket 1 on the slider 21 with the relative positioning in the X direction and the relative positioning in the Z direction, as well as the first positioning surface 13 in contact with the slider 21 as the positioning reference; The step "installing glass 4 on bracket 1" specifically includes: establishing relative positioning of glass 4 and bracket 1 in the X direction and Z direction through positioning post 14; establishing relative positioning of glass 4 and bracket 1 in the Y direction through the second positioning surface 15 in contact with glass 4; and installing glass 4 on bracket 1 with the relative positioning of glass 4 in the X direction, Z direction and Y direction as positioning references.

[0046] Specifically, by setting up structures for positioning the lifting assembly 2 and the glass 4 on both sides of the bracket 1, since the bracket 1 is an integrally formed structure, the positioning accuracy of the bracket 1, the lifting assembly 2, and the glass 4 can be better controlled, thereby improving the quality of the gap surface difference between the glass 4 and the vehicle body.

[0047] Example 2: This embodiment provides a glass lifting device for performing the frameless window glass installation method of Embodiment 1, such as... Figure 3 , Figure 4 and Figure 7 As shown, the glass lifting device includes a lifting component 2 and a bracket 1. The lifting component 2 includes a slide rail 22 and a slider 21 slidably disposed on the slide rail 22. The slide rail 22 is used to install on the frameless door 3. The bracket 1 is disposed on the slider 21 with the slide rail 22 as the positioning reference. The bracket 1 is used to install the glass 4.

[0048] Specifically, the bracket 1 is designed with the slide rail 22 as the positioning reference and is set on the slider 21. This design enables the bracket 1 to eliminate the cumulative error between the slide rail 22 and the slider 21, and between the slider 21 and the bracket 1 in terms of installation accuracy, shortening the positioning error accumulation chain. This improves the fitting accuracy between the glass 4 and the vehicle body and reduces the abnormal gap surface difference between the glass 4 and the vehicle body.

[0049] In one embodiment, such as Figure 3 and Figure 4As shown, the upper end of the slide rail 22 is provided with a first positioning structure 221, and the lower end of the slide rail 22 is provided with a second positioning structure 222. The lifting assembly 2 is installed on the frameless door 3 through the first positioning structure 221 and the second positioning structure 222. The first positioning structure 221 and the second positioning structure 222 can position the bracket 1 through the tooling.

[0050] Specifically, the assembly of bracket 1 and lifting component 2, as well as the assembly of lifting component 2 and frameless door 3, both use the first positioning structure 221 and the second positioning structure 222 as positioning references, which can eliminate positioning errors between different parts of slide rail 22, thereby further shortening the positioning error accumulation chain between bracket 1 and frameless door 3, and thus effectively improving the gap surface difference quality between glass 4 and the whole vehicle body.

[0051] In one embodiment, both the first positioning structure 221 and the second positioning structure 222 are studs. Adjusting the screw-in depth of the studs can adjust the relative positioning of the bracket 1 and the studs in the Y direction. Specifically, the studs are cylindrical. On the one hand, this can better ensure the accuracy of the relative positioning of the bracket 1 and the slide rail 22 in the X and Z directions. On the other hand, by adjusting the screw-in depth of the studs, the adjustment flexibility and applicability of the relative positioning in the Y direction can be effectively ensured, thereby making the overall relative positioning of the bracket 1 and the slide rail 22 have high accuracy.

[0052] In one embodiment, such as Figure 5 and Figure 6 As shown, one side of the bracket 1 is provided with a first positioning hole 11, a second positioning hole 12, and a first positioning surface 13, while the other side of the bracket 1 is provided with a positioning post 14 and a second positioning surface 15. The first positioning hole 11, the second positioning hole 12, and the first positioning surface 13 are used for positioning with the slide rail 22, and the positioning post 14 and the second positioning surface 15 are used for positioning with the glass 4. Specifically, by providing structures for positioning the lifting assembly 2 and the glass 4 on both sides of the bracket 1, since the bracket 1 is an integrally formed structure, the positioning accuracy of the bracket 1 with the lifting assembly 2 and the glass 4 can be better controlled, thereby improving the quality of the gap surface difference between the glass 4 and the vehicle body. Further, as... Figure 8 As shown, a U-shaped groove 41 is provided at the bottom of the glass 4, and the U-shaped groove 41 is fitted onto the positioning post 14.

[0053] In the specific implementation process, such as Figure 5 and Figure 6As shown, the bracket 1 is square. A first positioning hole 11 and a second positioning hole 12 are respectively located at two diagonally opposite corners of the bracket 1. The first positioning hole 11 is a round hole, and the second positioning hole 12 is an oblong hole. The first positioning hole 11 and the second positioning hole 12 together achieve X-axis and Z-axis positioning of the bracket 1. The first positioning surface 13 is in contact with the slider 21 to achieve Y-axis positioning of the bracket 1. Two fixing holes 16 are provided in the middle of the bracket 1 for fixing the bracket 1 to the slider 21. A positioning post 14 is provided in the middle of the bracket 1, located between the two fixing holes 16. The positioning post 14 is used to achieve X-axis and Z-axis positioning of the glass 4. A second positioning surface 15 is provided on the side of the bracket 1 away from the first positioning surface 13, and the second positioning surface 15 is used to achieve Y-axis positioning of the glass 4.

[0054] Example 3: This embodiment provides a vehicle, which includes a vehicle body, a frameless door 3, and a glass 4. The frameless door 3 is installed on the vehicle body. The vehicle also includes a glass lifting device according to Embodiment 2. The glass lifting device is installed on the frameless door 3, and the glass 4 is installed on the glass lifting device. The glass 4 is assembled on the vehicle body using the frameless window glass installation method of Embodiment 1.

[0055] Specifically, by setting up a glass lifting device that can shorten the positioning error accumulation chain, the fitting accuracy between glass 4 and the vehicle body can be improved, and the abnormality of the gap surface between glass 4 and the vehicle body can be reduced.

[0056] In the specific implementation process, such as Figure 7 As shown, each frameless door 3 is equipped with two glass lifting devices. The two glass lifting devices are distributed front and back inside the frameless door 3, and the two glass lifting devices support the front and back ends of the glass 4 respectively. The sliders 21 of the two glass lifting devices move up and down synchronously.

[0057] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A method for installing frameless window glass, characterized in that, Including the following steps: A glass lifting device is provided, the glass lifting device including a bracket and a lifting assembly, the lifting assembly including a slider and a slide rail; Establish the relative positioning between the bracket and the slide rail, and fix the bracket on the slider with the slide rail as the positioning reference; wherein, the bracket is used to install glass; A frameless car door is provided, and the glass lifting device is installed on the frameless car door with the sliding rail as the positioning reference. Provide glass and mount the glass onto the bracket; Specifically, establishing the relative positioning of the bracket and the slide rail includes: providing a tooling fixture, and using the latest positioning state of the tooling fixture to establish the relative positioning of the bracket and the slide rail; after installing the glass on the bracket, the installation method further includes the steps of: installing the frameless door on the vehicle body; obtaining the gap surface difference between the glass already installed on the frameless door and the vehicle body, and using the gap surface difference to perform reverse calibration on the tooling fixture to obtain the latest positioning state of the tooling fixture; The upper end of the slide rail is provided with a first positioning structure, and the lower end of the slide rail is provided with a second positioning structure; the step of establishing the relative positioning of the bracket and the slide rail, and fixing the bracket on the slider with the slide rail as the positioning reference, specifically includes: establishing the relative positioning of the bracket with the first positioning structure and the second positioning structure, and installing the bracket on the slider with the first positioning structure and the second positioning structure as the positioning reference; The step of installing the glass lifting device on the frameless door using the slide rail as a positioning reference specifically includes: the glass lifting device being installed on the frameless door via the first positioning structure and the second positioning structure.

2. The frameless window glass installation method according to claim 1, characterized in that, The step of obtaining the gap surface difference between the glass already installed on the frameless door and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling includes: Obtain a predetermined number of gaps between the glass already installed on the frameless door and the vehicle body; Based on the obtained gap surface difference, obtain the reverse calibration adjustment value; The tooling is reverse calibrated based on the reverse calibration adjustment value.

3. The frameless window glass installation method according to claim 2, characterized in that, The tooling includes a first positioning end and a second positioning end with adjustable relative positions. The first positioning end is used to connect with the bracket, and the second positioning end is used to connect with the slide rail. Adjusting the relative positions of the first positioning end and the second positioning end can change the positioning state of the tooling. The step of reverse calibrating the tooling according to the reverse calibration adjustment value specifically includes: adjusting the relative position of the first positioning end and the second positioning end according to the reverse calibration adjustment value.

4. The frameless window glass installation method according to claim 2, characterized in that, The step of obtaining the reverse calibration adjustment value based on the acquired gap surface difference includes: Arrange the gap surface differences in ascending or descending order; Obtain the median value of the gap surface difference; The reverse calibration adjustment value is calculated based on the median of the gap surface difference.

5. The frameless window glass installation method according to claim 1, characterized in that, The step of obtaining the gap surface difference between the glass already installed on the frameless door and the vehicle body, and using the gap surface difference to perform reverse calibration of the tooling includes: When the model of production changes, the gap difference between the first glass installed on the frameless door and the whole vehicle body is obtained, and the tooling is reverse-calibrated using the first gap difference.

6. The frameless window glass installation method according to claim 1, characterized in that, The first positioning structure and the second positioning structure are studs, and the tooling is equipped with a Y-axis detection device; Establishing the relative positioning of the bracket with the first positioning structure and the second positioning structure includes at least the following: The relative positioning of the bracket and the stud in the Y direction is obtained using the Y-direction detection device. The screwing depth of the stud is adjusted to adjust the relative positioning in the Y direction until the relative positioning in the Y direction meets the preset requirements.

7. The frameless window glass installation method according to any one of claims 1 to 5, characterized in that, The bracket is provided with a first positioning hole, a second positioning hole and a first positioning surface on one side, and a positioning post and a second positioning surface on the other side of the bracket; The step of establishing the relative positioning of the bracket and the slide rail, and installing the bracket on the slider with the slide rail as the positioning reference, specifically includes: establishing the relative positioning of the bracket and the slide rail in the X direction and the relative positioning in the Z direction through the first positioning hole and the second positioning hole, and installing the bracket on the slider with the relative positioning in the X direction, the relative positioning in the Z direction, and the first positioning surface in contact with the slider as the positioning reference; The specific steps of mounting the glass on the bracket include: establishing relative positioning of the glass and the bracket in the X-direction and Z-direction through the positioning post; establishing relative positioning of the glass and the bracket in the Y-direction through the second positioning surface in contact with the glass; and mounting the glass on the bracket with the relative positioning of the glass in the X-direction, Z-direction, and Y-direction as positioning references.

8. A vehicle comprising a vehicle body, frameless doors, and glass, wherein the frameless doors are mounted on the vehicle body, characterized in that, The vehicle also includes: A glass lifting device is installed on the frameless door, and the glass is installed on the glass lifting device. The glass is assembled on the vehicle body using the frameless window glass installation method according to any one of claims 1 to 7.

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