Flush connection structure between movable glass and window frame of motor vehicle, and processing method

Abstract

A flush connection structure between a movable glass and a window frame of a motor vehicle, and a processing method. The connection structure comprises an exterior trim panel (10), a vehicle window glass (20), and a vehicle door sheet metal (30), and further comprises: a guide slider (40), wherein an end of the guide slider (40) is fixedly connected to the inner side of the vehicle window glass (20), and an outer edge of the vehicle window glass (20) is flush with an edge of the exterior trim panel (10); a metal frame (50), sequentially comprising a guide rail part (501) and a mounting part (502) which are integrally formed, wherein the mounting part (502) is detachably connected to the vehicle door sheet metal (30), and the end of the guide slider (40) away from the vehicle window glass (20) is in sliding contact with the guide rail part (501); and a sealing strip (60), wherein a mounting cavity (101) for mounting the sealing strip (60) is provided at the edge of the exterior trim panel (10) on the side close to the metal frame (50), and a sealing lip (601) abutting against an abutment edge of the vehicle window glass (20) is provided on the side of the sealing strip (60) close to the vehicle window glass (20).

Description

Connection structure and processing method for flush connection between movable glass and window frame of motor vehicle This application claims priority to Chinese patent application CN202410169375.4, filed on February 6, 2024, entitled “Connection structure and processing method for flush connection between movable glass and window frame of motor vehicle”. The entire contents of the above Chinese patent application are incorporated into this application by reference. Technical Field

[0001] The present application relates to the technical field of vehicle window components, and in particular to a connection structure and a processing method for flush connection between movable glass and a window frame of a motor vehicle. Background Art

[0002] When designing existing motor vehicle window glass, the window glass is mostly flush with the window frame. The glass surface should be evenly connected to the window frame surface without obvious height difference. This can improve the sealing of the window, reduce the probability of rainwater seeping into the car, improve the overall aesthetics of the vehicle, and to a certain extent reduce the air resistance between the window glass and the window frame.

[0003] The existing connection structures where the window glass and the window frame are flush are all provided with sealing strips. The sealing strips basically adopt a hidden small lip as shown in Figure 1 of the specification or an exposed small lip structure as shown in Figure 2 of the specification. The connection structure between the window glass and the window frame includes structures such as the outer cover plate, guide rails, sealing strips, decorative panels and glass guide sliders. The above structures are mostly separate components to be assembled during the processing and production process. When the various connections between the structures such as the outer cover plate, guide rails, sealing strips, decorative panels and glass guide sliders are prone to certain installation position errors, which can easily lead to large installation errors in the final connection structure; when the error is large, the hidden small lip is prone to sink toward the inside of the window when it is matched with the window glass, and the exposed small lip is also prone to obvious visible exposure problems when it is matched with the window glass, which can affect the appearance and generally lead to inaccurate matching between the lip and the window glass. Summary of the Invention

[0004] In response to the deficiencies in the prior art, the present invention provides a connection structure and processing method for a motor vehicle's movable glass to be flush with the window frame, so as to solve the problem in the existing connection structure that each structure is independently connected to each other, resulting in large errors when connecting the structures. The accumulated errors can easily lead to poor fit between the window glass and the lip.

[0005] To achieve the above objectives, the basic solution of the present invention is as follows: a structure for connecting a movable glass of a motor vehicle flush with a window frame, comprising an exterior panel, window glass, and door sheet metal, and further comprising:

[0006] A guide slider, one end of which is fixedly connected to the inner side of the vehicle window glass, and the outer edge of the vehicle window glass is flush with the edge of the exterior trim panel;

[0007] The metal frame includes an integrally formed guide rail portion and a mounting portion, wherein the mounting portion is detachably connected to the door sheet metal, and an end of the guide slider away from the window glass is in sliding contact with the guide rail portion;

[0008] The sealing strip has an installation cavity for installing the sealing strip at the edge of the exterior panel close to the metal frame, and a sealing lip that can abut against the edge of the window glass is provided at the side of the sealing strip close to the window glass.

[0009] The technical principle of the present invention is: the guide rail part and the mounting part are integrally formed on the metal frame. Compared with the guide rail part and the mounting part of the plastic structure, the guide rail part and the mounting part in this scheme have more precise structure, are not easy to deform, and have higher strength and setting accuracy; when the metal frame is connected to the vehicle door sheet metal, the mounting part is connected to the vehicle door sheet metal, which can improve the installation accuracy between the guide slider position and the vehicle door sheet metal and the exterior panel, so that the guide slider can also be accurately matched with the guide slider, so that the final flush accuracy between the vehicle window glass and the exterior panel is also improved, and the matching accuracy between the sealing lip at the sealing strip and the vehicle window glass can also be improved, thereby improving the sealing accuracy, quietness and aesthetics between the vehicle window glass and the exterior panel.

[0010] Furthermore, the guide rail portion is detachably connected to the door sheet metal at a side away from the exterior trim panel.

[0011] Through the above arrangement, the guide rail part is also connected to the door sheet metal, which can further improve the connection strength and connection stability between the metal frame and the door sheet metal. At the same time, the door sheet metal can cooperate with the metal frame more stably and accurately.

[0012] Furthermore, a rubber base material layer is fixedly covered on a side of the guide rail portion away from the door sheet metal, and an edge of the rubber base material layer extends to the outer wall of the guide rail portion and is opposite to a side of the metal frame of the exterior decorative panel.

[0013] Through the above arrangement, the rubber base material layer can cover the inner wall of the guide rail portion, so that when the guide slider slides along the guide rail portion, it is blocked by the rubber base material layer, reducing the wear of the guide slider during sliding and improving the quietness when the car window glass is raised and lowered.

[0014] Furthermore, a first flange is integrally formed on the edge of the rubber base material layer close to the exterior panel and can abut against the side wall of the installation cavity of the exterior panel.

[0015] Through the above arrangement, the first flange can fill and support the gap between the guide rail portion and the outer decorative panel, so that the position accuracy between the guide rail portion and the outer decorative panel is significantly improved.

[0016] Furthermore, a wear-resistant sliding material layer is fixedly covered on the inner side of the guide rail portion away from the door sheet metal. The wear-resistant sliding material layer is fixedly arranged on the upper side of the rubber base material layer. The wear-resistant sliding material layer is in sliding contact with the guide slider, further improving the smoothness of the vertical movement of the window glass and reducing the noise of the vertical movement of the window glass.

[0017] Through the above arrangement, the wear-resistant sliding material layer can further improve the smoothness of the guide slider when sliding along the guide rail portion.

[0018] Furthermore, it also includes:

[0019] a window frame trim panel, the end portion of the window frame trim panel wrapping around a side of the door sheet metal away from the exterior trim panel and opposite to the end portion of the metal frame;

[0020] The bubble-shaped glass guide strip has a connection portion integrally formed on one side of the metal frame close to the window frame trim for the detachable installation of the bubble-shaped glass guide strip, and a bubble-shaped lip is fixedly provided on the bubble-shaped glass guide strip that can abut against the edge of the inner wall of the car window glass.

[0021] Through the above-mentioned setting, the bubble-shaped glass guide strip can support and guide the inner wall of the car window glass, making the up and down movement of the car window glass more stable; at the same time, the bubble-shaped glass guide strip can cover the ends of the window frame trim and the metal frame, so that after the car window glass is lowered, the partially exposed part of the window frame trim is more beautiful and simple.

[0022] Furthermore, a side of the window frame decorative plate close to the metal frame is a bent end that is nearly parallel to the connecting portion, and the edge of the bubble-shaped glass guide strip extends and wraps around the bent end.

[0023] Through the above arrangement, the bent end can be better embedded in the bubble-shaped glass guide strip, and the bubble-shaped glass guide strip can be more stably arranged between the window frame trim and the connecting part.

[0024] Furthermore, the edge of the rubber base material layer extends to cover the side of the mounting part close to the guide rail part, and the rubber base material layer is integrally formed with a second flange on one side of the mounting part. The edge of the bubble-shaped glass guide strip extends to cover the mounting part to form a third flange, and the third flange is against the second flange.

[0025] With the above arrangement, when the window glass moves down, the third flange can cover the mounting portion, making the mounting portion less exposed and more beautiful; at the same time, the second flange can enhance the mounting strength between the rubber base material layer and the guide rail portion when the rubber base material layer is mounted on the guide rail portion.

[0026] Furthermore, an additional layer of adhesive base material is adhered to a side of the connecting portion close to the vehicle window glass, and the bubble-shaped glass guide strip is installed on the additional layer of adhesive base material.

[0027] Through the above arrangement, the additional layer of the adhesive base material can better fit the bubble-shaped glass guide strip, making the bubble-shaped glass guide strip more stable when installed on the connecting portion.

[0028] The present invention further provides a method for processing a structure for connecting a movable glass of a motor vehicle to a window frame flush with the window frame, comprising the following processing steps:

[0029] Prefabricated metal frame, with the guide rail part, mounting part and connection part integrally formed on the metal frame;

[0030] Prefabricated sealing strips and sealing lips;

[0031] Prefabricate bubble-shaped glass guide strips and bubble-shaped lips;

[0032] Using the metal skeleton as an insert, the rubber base material layer, the wear-resistant lubricant layer or the rubber base material additional layer is extruded onto the metal skeleton;

[0033] Install the sealing strip into the installation cavity of the exterior trim panel;

[0034] Installing the bubble glass guide strip on the connecting portion and laminating it with the additional layer of the rubber base material;

[0035] The guide rail portion is connected and fixed to the vehicle door sheet metal, and the installation portion is connected and fixed to the vehicle door sheet metal; the guide slider is slidably installed to the guide rail portion, and the sealing lip is fitted with the end of the vehicle window glass close to the edge of the vehicle door sheet metal, and the bubble-shaped lip is fitted with the side of the vehicle window glass close to the metal frame.

[0036] The technical principle of the present invention is: to enable the sealing strip to be accurately and quickly installed in the installation cavity of the exterior panel; it is also convenient to accurately install the entire metal frame on the vehicle door sheet metal with the limiting protrusion and the installation part as the reference, and it is also convenient to control the precise installation position of the connecting part, the bubble glass guide strip and the window frame trim. The matching installation between the bubble glass guide strip and the connecting part and the window frame trim is also convenient, thereby improving the installation efficiency and installation accuracy; at the same time, because the metal frame is used as an insert to synchronously extrude the rubber base material layer, the wear-resistant slippery material layer or the rubber base material additional layer onto the metal frame, the matching between the rubber base material layer, the wear-resistant slippery material layer or the rubber base material additional layer is accurate, and the matching between the rubber base material layer and the wear-resistant slippery material layer and the guide slider is accurate, and the rubber base material additional layer and the bubble glass guide strip are closely matched, thereby making the up and down movement of the vehicle window glass smooth and silent, and the sealing is also better. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] FIG1 is a cross-sectional view of a hidden small lip structure in the background art of the present invention.

[0038] FIG2 is a cross-sectional view of an exposed small lip structure in the background art of the present invention.

[0039] FIG3 is a front view of a connection structure in which a movable glass of a motor vehicle is flush with a window frame in embodiment 1 of the present invention.

[0040] FIG4 is a cross-sectional view of a connection structure AA where a movable glass of a motor vehicle is flush with a window frame in FIG3 .

[0041] FIG5 is a cross-sectional view of a connection structure in which a movable glass of a motor vehicle is flush with a window frame in this embodiment 2. FIG.

[0042] In the above drawings: exterior trim 10, mounting cavity 101, protrusion 102, vehicle window glass 20, vehicle door sheet metal 30, guide slider 40, elastic ridge 401, metal spring 402, metal frame 50, guide rail portion 501, through groove 511, rubber base material layer 521, first flange 531, wear-resistant sliding material layer 541, second flange 551, mounting portion 502, connecting portion 503, rubber base material additional layer 513, limiting protrusion 523, sealing strip 60, sealing lip 601, limiting groove 602, window frame trim 70, bent end 701, bubble glass guide strip 80, bubble lip edge 801, third flange 803. DETAILED DESCRIPTION

[0043] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0044] Example 1

[0045] This embodiment is basically as shown in Figures 3 and 4. The embodiment of the present invention proposes a connection structure in which the movable glass of a motor vehicle is flush with the window frame, including an exterior trim panel 10, a window glass 20, a door sheet metal 30, a guide slider 40, a metal frame 50, a sealing strip 60, a window frame trim panel 70 and a bubble-shaped glass guide strip 80. One end of the guide slider 40 is fixedly bonded to the inner side of the window glass 20 using glass glue, and the outer edge of the left side of the window glass 20 is flush with the edge of the right side of the exterior trim panel 10.

[0046] As shown in Figure 4, the metal skeleton 50 includes an integrally formed guide rail portion 501, a mounting portion 502 and a connecting portion 503 in sequence. The metal skeleton 50 is made of stainless steel. As shown in Figure 4, the longitudinal cross-sectional profile of the guide rail portion 501 is rectangular, and a through groove 511 is provided on the upper right side of the guide rail portion 501 for the left end of the guide slider 40 to be embedded. The longitudinal cross-sectional profile of the mounting portion 502 is groove-shaped, and the lower outer wall of the mounting portion 502 is located at the same level as the lower outer wall of the guide rail portion 501, and the longitudinal cross-sectional profile of the connecting portion 503 is horizontally set; at the same time, as shown in Figure 4, the middle part of the mounting portion 502 is detachably connected to the vehicle door sheet metal 30 by bolts.

[0047] As shown in Figure 4, a limiting protrusion 523 that can be embedded in the vehicle door sheet metal 30 is provided on the lower side of the guide rail part 501, so that the guide rail part 501 can be accurately fitted and installed on the vehicle door sheet metal 30; the right side wall of the guide rail part 501 is coplanar with the end face of the right side of the exterior trim panel 10; at the same time, the side of the guide rail part 501 away from the vehicle door sheet metal 30 is covered and fixed with a rubber base material layer 521, and the edge of the rubber base material layer 521 extends to the outer wall of the guide rail part 501 and is opposite to the lower side of the exterior trim panel 10. The edge of the rubber base material layer 521 close to the exterior trim panel 10 is integrally formed with a first flange 531 that can abut against the lower edge of the exterior trim panel 10; at the same time, the inner wall of the guide rail part 501 is covered and bonded with a wear-resistant sliding material layer 541, which is fixedly arranged on the upper side of the rubber base material layer 521, and the wear-resistant sliding material layer 541 is in sliding contact with the left end of the guide slider 40.

[0048] As shown in Figure 4, an installation cavity 101 for installing the sealing strip 60 is provided at the edge of the exterior panel 10 close to the metal frame 50, a protrusion 102 is provided on the lower inner wall of the installation cavity 101 of the exterior panel 10, and a limiting groove 602 for the protrusion 102 to be embedded on the sealing strip 60, so as to facilitate the positioning and installation of the installed sealing strip 60. A sealing lip 601 is provided on the side of the sealing strip 60 close to the vehicle window glass 20, which can abut against the edge of the vehicle window glass 20.

[0049] As shown in Figure 4, the upper end of the window frame trim 70 wraps around the right side of the vehicle door sheet metal 30 and is opposite to the right end of the connecting portion 503. The upper end of the window frame trim 70 is a bent end 701 that is nearly parallel to the connecting portion 503; an additional layer of adhesive substrate 513 is adhered to the upper side of the connecting portion 503, and the bubble glass guide strip 80 is installed on the additional layer of adhesive substrate 513; a bubble lip 801 is fixedly provided on the bubble glass guide strip 80, which can be abutted against the inner wall edge of the vehicle window glass 20, and the edge of the bubble glass guide strip 80 extends and wraps around the bent end 701, and the lower side of the bubble glass guide strip 80 extends and abuts against the vehicle door sheet metal 30.

[0050] As shown in Figure 4, the left edge of the adhesive base material layer 521 extends to cover the side of the mounting portion 502 close to the guide rail portion 501. The adhesive base material layer 521 is integrally formed with a second flange 551 on one side of the mounting portion 502. The edge of the bubble-shaped glass guide strip 80 extends to cover the mounting portion 502 to form a third flange 803. The lower side of the third flange 803 is in contact with the upper side of the second flange 551.

[0051] In this embodiment, a connection structure in which the movable glass of a motor vehicle is flush with the window frame is used. Since the guide rail portion 501, the mounting portion 502 and the connecting portion 503 are integrally formed on the metal frame 50, the guide rail portion 501, the mounting portion 502 and the connecting portion 503 formed on the metal frame 50 are more accurately matched, and it is also easier for the guide rail portion 501, the mounting portion 502 and the connecting portion 503 to be accurately matched with the position of the door sheet metal 30 and the exterior panel 10 respectively. Compared with the plastic guide rail portion 501, the mounting portion 502 and the connecting portion 503 structure, the metal frame 50 has higher precision, better strength, and is less prone to damage; at the same time, it can also improve the sliding accuracy of the matching between the guide rail portion 501 and the guide slider 40, thereby improving the fitting accuracy between the window glass 20 and the sealing lip 601 on the sealing strip 60. When the window glass 20 is raised or lowered, the sealing lip 601 is slightly deformed and tightly abuts against the left edge of the window glass 20.

[0052] When the vehicle window glass 20 moves up and down, the vehicle window glass 20 drives the guide slider 40 to slide vertically in the guide rail part 501. The guide slider 40 fits with the wear-resistant sliding material layer 541, which can make the guide slider 40 move smoothly and prevent the guide slider 40 from being excessively worn. At the same time, the setting of the rubber base material layer 521 can make the wear-resistant sliding material layer 541 and the guide rail part 501 fit tightly, and also facilitate the fit between the rubber base material layer 521 and the exterior panel 10, so that the fit between the exterior panel 10 and the metal frame 50 is more precise; when the vehicle window glass 20 moves up and down, the wear-resistant sliding material layer 541 cooperates with the guide slider 40, so that the overall door system improves quietness, the window glass 20 is raised and lowered quietly, the window glass 20 is raised and lowered smoothly, and the tolerance of the entire system is better.

[0053] When the vehicle window glass 20 moves downward, the lower side of the third flange 803 of the bubble-shaped glass guide strip 80 is fitted against the upper side of the second flange 551, and the bubble-shaped glass guide strip 80 is exposed after wrapping the window frame trim 70. The exposed bubble-shaped glass guide strip 80 wraps part of the adhesive base material layer 521, and the overall appearance is better, simpler, and more textured.

[0054] Example 2

[0055] The difference between Example 2 and Example 1 is basically as shown in Figure 5. There is only an elastic ridge 401 horizontally set on the left wall of the lower left end of the guide slider 40. A metal spring 402 is set inside the elastic ridge 401. The metal spring 402 is a copper sheet, and the copper sheet is coaxially arranged along the axial direction of the elastic ridge 401. The right side of the guide slider 40 is against the right side of the wear-resistant sliding material layer 541.

[0056] When the vehicle window glass 20 moves up and down, the guide slider 40 and the elastic ridge 401 can be automatically pressed, so that the cross-sectional profile of the guide slider 40 becomes smaller, making the vertical movement of the guide slider 40 along the wear-resistant sliding material layer 541 and the guide rail part 501 smoother, reducing the friction between the guide slider 40 and the wear-resistant sliding material layer 541, and further improving the quietness of the overall vehicle door system; the fitting tolerance between the guide slider 40 and the wear-resistant sliding material layer 541 and the guide rail part 501 is further increased, thereby improving the tolerance of the entire system; when the vehicle window glass 20 stops moving up and down, the copper sheet and the elastic ridge 401 automatically pop open, allowing the outer walls of the guide slider 40 and the elastic ridge 401 to automatically lock with the wear-resistant sliding material layer 541 and the guide rail part 501, making the locking of the vehicle window glass 20 more precise and stable.

[0057] Example 3

[0058] The difference between Example 3 and Example 1 is that a method for processing a structure in which a movable glass of a motor vehicle is connected flush with a window frame is proposed, including the structure in which a movable glass of a motor vehicle is connected flush with a window frame in Example 1, and specifically further comprising the following processing steps:

[0059] The metal frame 50 is prefabricated by stamping, bending or casting a sheet metal part, so that the guide rail portion 501, the mounting portion 502 and the connecting portion 503 are integrally formed on the metal frame 50;

[0060] Injection-molded or extruded integral sealing strip 60 and sealing lip 601;

[0061] Injection-molded or extruded integrally formed bubble-shaped glass guide strip 80 and bubble-shaped lip 801;

[0062] The rubber base material layer 521, the wear-resistant slippery material layer 541, or the rubber base material additional layer 513 are simultaneously extruded onto the metal frame 50 using the metal frame 50 as an insert. During the simultaneous extrusion, the wear-resistant slippery material layer 541 is automatically fixed and bonded to the rubber base material layer 521. The rubber base material layer 521, the wear-resistant slippery material layer 541, and the rubber base material additional layer 513 are punched out at the end shapes and local structures of the metal frame 50 to facilitate the precise fit of the rubber base material layer 521 with the exterior panel 10, the fit of the wear-resistant slippery material layer 541 with the guide slider 40, and the fit of the rubber base material additional layer 513 with the bubble-shaped glass guide strip 80.

[0063] The sealing strip 60 is inserted into the installation cavity 101 of the exterior panel 10 , and the right end surface of the sealing strip 60 is vertically coplanar with the right end surface of the door sheet metal 30 ;

[0064] Insert the bubble glass guide strip 80 onto the connecting portion 503 , with the inner wall of the bubble glass guide strip 80 in contact with the additional layer of adhesive substrate 513 , and the lower side of the third flange 803 in contact with the upper side of the second flange 551 ;

[0065] The limiting protrusion 523 on the guide rail portion 501 is inserted into the door sheet metal 30 to achieve preliminary positioning of the guide rail portion 501 and the door sheet metal 30. The mounting portion 502 is fixedly connected to the door sheet metal 30 by bolts. The lower side of the bubble glass guide strip 80 is abutted against the right end of the door sheet metal 30 for positioning, achieving precise positioning of the exterior trim 10, the door sheet metal 30, the guide slider 40, and the metal frame 50. The guide slider 40 is then slidably installed onto the guide rail portion 501, with the sealing lip 601 in contact with the end of the window glass 20 near the edge of the door sheet metal 30, and the bubble lip edge 801 abuts against the left side of the lower side of the window glass 20.

[0066] Then, the window frame trim panel 70 is installed on the right side of the door panel 30 , and the right side of the bubble glass guide strip 80 wraps the window frame trim panel 70 .

[0067] Through the above process, the sealing strip 60 can be accurately and quickly installed in the installation cavity 101 of the exterior trim panel 10; it is also convenient to accurately install the entire metal frame 50 on the vehicle door sheet metal 30 based on the limiting protrusion 523 and the installation part 502, and it is also convenient to control the precise installation position of the connecting part 503, the bubble-shaped glass guide strip 80 and the window frame trim panel 70. The coordinated installation between the bubble-shaped glass guide strip 80 and the connecting part 503 and the window frame trim panel 70 is also convenient, thereby improving the installation efficiency and installation accuracy.

[0068] At the same time, since the rubber base material layer 521, the wear-resistant sliding material layer 541 or the rubber base material additional layer 513 are synchronously extruded onto the metal frame 50 using the metal frame 50 as an insert, the rubber base material layer 521, the wear-resistant sliding material layer 541 or the rubber base material additional layer 513 are precisely matched with each other, and the rubber base material layer 521 and the wear-resistant sliding material layer 541 are precisely matched with the guide slider 40, and the rubber base material additional layer 513 is tightly matched with the bubble-shaped glass guide strip 80, thereby making the up and down movement of the vehicle window glass 20 smooth and silent, and the sealing is also better.

[0069] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A connection structure for a movable glass of a motor vehicle to be flush with a window frame, comprising an exterior panel, window glass and door sheet metal, characterized in that: Also includes: A guide slider, one end of which is fixedly connected to the inner side of the vehicle window glass, and the outer edge of the vehicle window glass is flush with the edge of the exterior trim panel; A metal frame, the metal frame sequentially comprising an integrally formed guide rail portion and a mounting portion, the mounting portion being detachably connected to the door sheet metal, and an end of the guide slider away from the window glass being in sliding contact with the guide rail portion; A sealing strip is provided at the edge of the exterior panel close to the metal frame for installing the sealing strip, and a sealing lip is provided at the side of the sealing strip close to the window glass for abutting against the edge of the window glass.

2. The structure for connecting the movable glass of a motor vehicle flush with the window frame according to claim 1, characterized in that: The guide rail portion is detachably connected to the vehicle door sheet metal at a side away from the exterior trim panel.

3. The structure for connecting a movable glass of a motor vehicle flush with a window frame according to claim 1 or 2, wherein: The side of the guide rail portion away from the door sheet metal is covered and fixed with a rubber base material layer, and the edge of the rubber base material layer extends to the outer wall of the guide rail portion and is opposite to the side of the exterior panel close to the metal frame.

4. The structure for connecting the movable glass of a motor vehicle flush with the window frame according to claim 3, wherein: The edge of the rubber base material layer close to the exterior panel is integrally formed with a first flange that can abut against the side wall of the installation cavity of the exterior panel.

5. The structure for connecting the movable glass of a motor vehicle flush with the window frame according to claim 4, wherein: The guide rail portion is covered with a wear-resistant sliding material layer on one side away from the door sheet metal. The wear-resistant sliding material layer is fixed on the upper side of the rubber base material layer and is in sliding contact with the guide slider.

6. The structure for connecting the movable glass of a motor vehicle flush with the window frame according to claim 5, wherein: Also includes: a window frame trim panel, the end portion of the window frame trim panel wrapping around a side of the door sheet metal away from the exterior trim panel and opposite to an end portion of the metal frame; The bubble-shaped glass guide strip has a connection portion integrally formed on one side of the metal frame close to the window frame trim for detachable installation of the bubble-shaped glass guide strip, and a bubble-shaped lip that can abut against the edge of the inner wall of the vehicle window glass is fixed on the bubble-shaped glass guide strip.

7. The structure for connecting a movable glass of a motor vehicle flush with a window frame according to claim 6, wherein: The side of the window frame decorative plate close to the metal frame is a bent end that is nearly parallel to the connecting portion, and the edge of the bubble-shaped glass guide strip extends and wraps around the bent end.

8. The structure for connecting a movable glass of a motor vehicle flush with a window frame according to claim 7, wherein: The edge of the rubber base material layer extends to cover the side of the mounting part close to the guide rail part, and the rubber base material layer is integrally formed with a second flange on one side of the mounting part. The edge of the bubble-shaped glass guide strip extends to cover the mounting part to form a third flange, and the third flange is against the second flange.

9. The structure for connecting a movable glass of a motor vehicle flush with a window frame according to claim 8, wherein: An additional layer of a rubber base material is pasted on one side of the connecting portion close to the vehicle window glass, and the bubble-shaped glass guide strip is installed on the additional layer of the rubber base material.

10. A method for processing a structure in which a movable glass of a motor vehicle is flush connected to a window frame, characterized in that: The method comprises the structure for connecting the movable glass of a motor vehicle to a window frame flush with the structure of claim 9, further comprising the following processing steps: Prefabricated metal frame, with the guide rail part, mounting part and connection part integrally formed on the metal frame; Prefabricated sealing strips and sealing lips; Prefabricate the bubble-shaped glass guide strip and bubble-shaped lip; Using the metal skeleton as an insert, the rubber base material layer, the wear-resistant lubricant layer or the rubber base material additional layer is extruded onto the metal skeleton; Install the sealing strip into the installation cavity of the exterior trim panel; Installing the bubble glass guide strip on the connecting portion and laminating it with the additional layer of the rubber base material; The guide rail portion is connected and fixed to the vehicle door sheet metal, and the installation portion is connected and fixed to the vehicle door sheet metal; the guide slider is slidably installed to the guide rail portion, and the sealing lip is fitted with the end of the vehicle window glass close to the edge of the vehicle door sheet metal, and the bubble-shaped lip is fitted with the side of the vehicle window glass close to the metal frame.

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