A vehicle glass lower bead

Abstract

The present application relates to the technical field of vehicle glass clamping, in particular to a vehicle glass lower clamping strip, comprising a straight strip section, a special-shaped U-shaped groove, a first elastic member, a second elastic member, and a multifunctional protrusion provided on the second elastic member for assisting the assembly of a counterpart and determining the function according to the shape of the counterpart. The clamping strip body is attached to the glass side wall through the straight strip section, the special-shaped U-shaped groove is connected to the counterpart, the first elastic member is attached to the bottom of the glass, and the second elastic member assists the clamping of the counterpart, so that the vehicle glass lower clamping strip can be stably attached to the glass and reliably connected to the counterpart, improving the stability and sealing performance after assembly. The multifunctional protrusion can meet the assembly requirements of different counterparts, so that a single clamping strip can be applied to different types of counterparts at the same time, greatly improving the universality of assembly.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle glass clamping, in particular to a vehicle glass lower clamping strip. BACKGROUND

[0002] At present, the clamping strip structure plays an important role in the field of automobile manufacturing, especially in the matching installation of air intake grilles and front windshield glasses. This structure realizes double connection function by setting a metal framework inside the clamping strip: on the one hand, the clamping feet of the air intake grille realize stable clamping through the barb structure of the clamping strip; on the other hand, the clamping strip forms reliable adhesion with the front windshield glass through high-performance double-sided tape. This innovative design not only ensures the firm connection between parts, but also significantly improves the appearance matching effect of the whole vehicle, making the transition between parts more natural and smooth. The introduction of the metal framework effectively enhances the structural strength of the clamping strip, and the combination of the barb and the double-sided tape realizes the complementary advantages of mechanical fixation and chemical adhesion.

[0003] Chinese patent application publication No. CN112238740A discloses a sealing system for connecting a drainage device and a vehicle window glass, comprising: a fixed section for connecting with the vehicle window glass and a clamping section for detachably connecting with the drainage device, the clamping section comprising a support body, a resilient arm, and a transition portion connecting the support body and the resilient arm: wherein the sealing system further comprises a positioning element connected with the transition portion and the support body, the positioning element is at least partially elastically deformable: further, the positioning element comprises an elastic leg connected with the transition portion and a clamping head connected with the support body, and the clamping head has a U-shaped or V-shaped cross section, and the opening of the U-shaped or V-shaped cross section faces the support body.

[0004] The current vehicle glass clamping strip has a single selection of corresponding counterpart pieces, and often a type of clamping strip is adapted to a corresponding counterpart piece, which has poor assembly versatility. SUMMARY

[0005] To this end, the present application provides a vehicle glass lower clamping strip to overcome the problem that the vehicle glass clamping strip in the prior art has a single selection of corresponding counterpart pieces, and often a type of clamping strip is adapted to a corresponding counterpart piece, which has poor assembly versatility.

[0006] To achieve the above-mentioned purpose, the present application provides a vehicle glass lower clamping strip, comprising,

[0007] a clamping strip body comprising a straight strip section for fitting the glass side wall and a special-shaped U-shaped groove for clamping the counterpart piece;

[0008] a first elastic member for fitting the glass bottom, which is located at the top end of the special-shaped U-shaped groove close to the straight strip section side, and a first protruding part for assisting the clamping of the counterpart piece is arranged on the first elastic member;

[0009] A second elastic member is arranged inside the profiled U-shaped groove and is attached to the inner wall of the profiled U-shaped groove near the straight bar section, and the second elastic member is provided with an assembly hole for assisting the assembly of the counter hand member and a multifunctional protrusion for determining the function according to the shape of the counter hand member.

[0010] Further, the profiled U-shaped groove comprises,

[0011] A first straight arm section is provided above the profiled U-shaped groove and is provided with a straight arm clamping part for clamping the counter hand member;

[0012] A second straight arm section is arranged below the first straight arm section and is perpendicular to the first straight arm section

[0013] A profiled arm comprises an interaction section connected to the straight bar section and an inclined arm section for mounting the first elastic member.

[0014] Further, the inclined arm section is provided with a first straight line section attached to the first elastic member and a first variable line section for avoiding the glass bottom on the right side of the inclined arm section;

[0015] The left side of the inclined arm section is provided with a protruding block, and the top end of the inclined arm section is smoothly connected to the protruding block;

[0016] The top of the protruding block is used to cooperate with the first protruding part, and the bottom is used to attach the second elastic member;

[0017] The first variable line section comprises a plurality of straight lines and a plurality of curves.

[0018] Further, the straight bar section is parallel to the second straight arm section and vertically higher than the second straight arm section.

[0019] Further, the curvature of the transition between the interaction section and the straight bar section is different, wherein the ratio of the curvature of the transition between the upper surface of the interaction section and the straight bar section to the curvature of the transition between the lower surface of the interaction section and the straight bar section ranges from 1: (1.8-2.2).

[0020] Further, a double-sided tape is arranged between the straight bar section and the glass side wall.

[0021] Further, the first elastic member comprises,

[0022] A first attachment part for attaching the first straight line section;

[0023] A second attachment part for attaching the top of the profiled arm;

[0024] A third attachment part for attaching the transition section between the top of the profiled arm and the protruding block;

[0025] The first protruding part is arranged on one side of the third fitting part;

[0026] The horizontal length of the first protruding part on the left side exceeds the protruding block.

[0027] Further, a transition groove is arranged between the third fitting part and the second fitting part to adjust the component form when the first protruding part engages the counterpart.

[0028] Further, the second elastic member comprises,

[0029] The multifunctional protrusion according to the form of the counterpart;

[0030] The avoidance part assists in fixing the counterpart, and the assembly hole is arranged in the avoidance part;

[0031] The fitting surface is fitted with the special-shaped U-shaped groove;

[0032] The fitting surface comprises a first fitting section fitted with the bottom of the protruding block, a second fitting section fitted with the left side of the interaction section, and a third fitting section fitted with the top of the second straight arm section.

[0033] Further, the straight arm engaging part is provided with a first force point H1, which is located at the lowest point of the straight arm engaging part;

[0034] The first protruding part is provided with a second force point H2 for fitting with the second engaging part of the counterpart, which is located at the intersection position of the upward extension line of the left side edge of the protruding block and the first protruding part;

[0035] The protruding block is provided with a third force point H3 for fitting with the second engaging part of the counterpart, which is located at the position closest to the protruding block from the second force point H2.

[0036] Further, the second elastic member is provided with a fourth force point H4, a fifth force point H5, and a sixth force point H6 for fitting with the counterpart having the third engaging part, wherein the fourth force point H4 is located at the bottom of the multifunctional protrusion, the fifth force point H5 is located on the avoidance part, and the sixth force point H6 is located at the left end of the multifunctional protrusion;

[0037] Based on the fact that the counterpart has the third engaging part, the third engaging part engages the multifunctional protrusion, the lower end of the third engaging part extrudes the avoidance part, the assembly hole shrinks, the fifth force point H5 provides an obliquely upward force to the third engaging part, and the fourth force point H4 provides an obliquely downward force to the third engaging part;

[0038] The third engaging part extrudes the multifunctional protrusion, so that the sixth force point H6 is in contact with the right side wall of the opponent tool, and the sixth force point H6 provides a leftward force to the opponent tool.

[0039] The resultant force of the fourth force point H4, the fifth force point H5 and the sixth force point H6 is directed to the straight arm engaging part.

[0040] Further, the highest point of the multifunctional protrusion is a first deformation force point A, and the intersection of the upper surface and the side surface of the multifunctional protrusion is a second deformation force point B. A rectangular coordinate system is established with the direction of the straight line where the second contact segment is located as the vertical coordinate and the direction of the straight line where the third contact segment is located as the horizontal coordinate. The coordinate expression of the curve segment A-B is:

[0041] ,

[0042] wherein h is the distance from the first deformation force point A to the horizontal coordinate, is the angle of the corresponding point when a point on the curve segment A-B is determined.

[0043] Based on the fact that the third engaging part does not exist in the opponent tool, the multifunctional protrusion is folded downward under the extrusion of the opponent tool, the lower end of the opponent tool extrudes the avoiding part, and the assembly hole is contracted.

[0044] The opponent tool extrudes the curve segment A-B, the first deformation force point A is the deformation stress vertex, and the second deformation force point B is the deformation stress terminal point. The curve segment A-B extrudes the opponent tool in the opposite direction, generates a rightward force, and the avoiding part provides an obliquely upward force to the opponent tool.

[0045] Further, the assembly hole is an elliptical through hole, and the ratio of the major axis to the minor axis is 5: (3.5-4.8).

[0046] Further, a multifunctional cavity is arranged between the multifunctional protrusion and the avoiding part, the multifunctional cavity is provided with a first curve segment connected with the protruding hook at the bottom of the multifunctional protrusion and a second curve segment connected with the avoiding part.

[0047] The curvature radius of the second curve segment is greater than that of the first curve segment, and the curvature radius of the first curve segment is greater than that of the protruding hook at the bottom.

[0048] Further, the starting end of the protruding hook at the bottom of the multifunctional protrusion is C, and the terminal end connected with the first curve segment is D. The coordinate expression of the curve segment C-D is:

[0049] ,

[0050] wherein, LThe distance from the lowest point of the bottom protruding hook to the first deformation force point A, For determining the angle of the corresponding point when any point on the curve segment C-D is determined;

[0051] The horizontal coordinate of the curvature center of the first curve segment is the same as that of the first deformation force point A, and the vertical coordinate is the same as that of the lowest point of the bottom protruding hook, and the curvature radius is 1.1-1.2 times the radius of the curve segment C-D;

[0052] The connecting point of the first curve segment and the second curve segment is E, and the connecting point of the second curve segment and the avoiding part is G,

[0053] The coordinate expression of the curve segment E-G is:

[0054] ,

[0055] Wherein, R is the radius of the curve segment C-D, and m is the distance from the top point of the left side of the multifunctional protrusion to the vertical coordinate axis.

[0056] Further, the center position coordinates of the elliptical through hole are (0.75s, 1.1s), and s is the distance from the connecting point of the first curve segment and the second curve segment to the vertical coordinate.

[0057] Further, the elliptical through hole is arranged obliquely in the rectangular coordinate system, and the slope of the major axis is k=(p÷2-q÷3) / (p-q),

[0058] Wherein, p=2.5R, q=1.25L.

[0059] Further, the special-shaped arm is provided with a first metal fixing strip, the first straight arm segment, the second straight arm segment and the straight strip segment are provided with a second metal fixing strip; the second straight arm segment and the straight strip segment are provided with soft material at the bottom, and a reinforcing rib is arranged between the straight strip segment and the soft material.

[0060] Compared with the prior art, the beneficial effects of the present application are that the clamping strip body is attached to the glass side wall through the straight strip segment, the special-shaped U-shaped groove is clamped to the counterpart, the first elastic member is attached to the glass bottom, and the second elastic member assists the clamping of the counterpart, so that the lower clamping strip of the vehicle glass can be stably attached to the glass and reliably connected to the counterpart, improving the stability and sealing performance after assembly. At the same time, by setting the multifunctional protrusion, the assembly requirements of different counterparts can be met, so that a single clamping strip can be applied to different models of counterparts at the same time, greatly improving the universality of assembly.

[0061] Further, the first straight line segment and the first variable line segment are arranged on the right side of the inclined arm segment, and a protruding block is arranged on the left side, and the top end is smoothly connected to the protruding block, and the protruding block cooperates with the first elastic member and the second elastic member, and the first variable line segment adopts a combination of straight lines and curves, which not only meets the fitting requirements of the first elastic member and the second elastic member, but also effectively avoids the glass bottom, thereby improving the adaptability and assembly convenience of the clamping strip.

[0062] Further, the structure design of the multifunctional protrusion, the avoiding part, the assembly hole and the fitting surface of the second elastic member can realize different functions such as clamping and fixing, auxiliary assembly and the like according to different shapes of the counterpart, thereby improving the adaptability and universality of the clamping strip to different counterparts, and ensuring the stability of the counterpart after installation.

[0063] Further, the assembly hole is arranged as an elliptical through hole with a specific ratio range, which can not only ensure the smooth insertion of the counterpart during assembly, but also provide a certain elastic fastening force after the installation of the counterpart, thereby preventing the counterpart from loosening and improving the reliability and stability of the assembly.

[0064] Further, when the counterpart has the third clamping part, the third clamping part is clamped with the multifunctional protrusion, and the lower end of the counterpart extrudes the avoiding part to make the assembly hole shrink, and this structure design realizes the multiple fixation of the counterpart, thereby enhancing the connection firmness of the counterpart, and at the same time, the avoiding part forms a directional thrust on the third clamping part through extrusion, thereby further enhancing the connection firmness of the counterpart and improving the stability of the overall structure.

[0065] Further, when the counterpart does not have the third clamping part, the multifunctional protrusion is folded downward under the extrusion of the counterpart, and the lower end of the counterpart extrudes the avoiding part to make the assembly hole shrink, thereby ensuring that the clamping strip can realize reliable assembly and fixation under different counterparts, improving the universality and applicability of the clamping strip, and for the counterpart without the third clamping part, the folding of the multifunctional protrusion and the extrusion of the avoiding part can enhance the reaction force of the second elastic member on the counterpart, and the direction of the reaction force is regulated through the elliptical hole, so that the counterpart is more closely fitted with the straight arm clamping part, thereby ensuring that the counterpart can be well fixed even if one clamping part is missing, enhancing the connection firmness of the counterpart and improving the stability of the overall structure.

[0066] Further, by establishing a rectangular coordinate system and giving the coordinate expression of the curve segment A-B, the shape of the multifunctional protrusion is accurately designed, so that it can reasonably deform under stress, ensuring effective clamping and fixing of the hand tool, and through the larger curvature radius of the upper surface of the multifunctional protrusion, the deformation during the pressing process of the hand tool without the third clamping part and the tight fit after clamping can be made smooth, and at the same time, when the third clamping part exists, the larger curvature radius makes the stress uniform when clamping the hand tool, improving the versatility and applicability of the clamping strip, enhancing the connection firmness of the hand tool, and improving the stability of the overall structure.

[0067] Further, the coordinate expressions of the curve segment C-D, the first curve segment, the curve segment E-G, and the curvature relationship of each curve segment are given, so as to accurately control the shape and size of the multifunctional cavity and further optimize the elastic deformation performance of the multifunctional protrusion, ensuring stable clamping and fixing of the hand tool, and improving the overall performance and reliability of the clamping strip. Among them, for the bottom protruding hook of the multifunctional protrusion, as the main clamping part when the third clamping part exists, the greater the distance between the bottom and the top, the larger the third clamping part of the hand tool to be clamped, at this time, the radius range of the bottom protruding hook is increased to ensure the fixation of the third clamping part. For the curvature radius of the first curve segment, as the deformation segment when the third clamping part exists and the folding place when the third clamping part does not exist, the radius changes with the bottom protruding hook, which not only ensures the rapid fixation when the third clamping part exists, but also ensures the folding deformation limitation when the third clamping part does not exist, improving the versatility and applicability of the clamping strip. For the second curve segment, the curvature radius is related to the radius of the curve segment C-D, which ensures the folding deformation limitation when the third clamping part does not exist. The three curve segments are related to each other, further improving the versatility and applicability of the clamping strip, enhancing the connection firmness of the hand tool, and improving the stability of the overall structure.

[0068] Further, the position coordinates of the center of the ellipse are determined, so that the position of the assembly hole is better matched with other structures of the clamping strip, ensuring accurate positioning and stable installation of the hand tool during assembly, improving the accuracy and reliability of assembly, and giving the calculation formula of the slope of the long axis of the ellipse, optimizing the inclination angle of the assembly hole, making it more closely and reasonably matched with the hand tool, further improving the installation stability of the hand tool and the overall performance of the clamping strip. At the same time, by limiting the slope of the ellipse, the direction of the force of the second elastic member on the hand tool is adjusted, enhancing the connection firmness of the hand tool and improving the stability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0069] Figure 1 Structure schematic diagram of the lower clamping strip of the vehicle glass in the embodiment;

[0070] Figure 2Fig. 6 is a schematic view of an assembled structure of the third engaging portion in the embodiment;

[0071] Figure 3 Fig. 7 is a schematic view of an assembled structure of the third engaging portion not existing in the embodiment;

[0072] Figure 4 Fig. 8 is a schematic view of the structure of the first elastic member in the embodiment;

[0073] Figure 5 Fig. 9 is a schematic view of the structure of the second elastic member in the embodiment;

[0074] Figure 6 Fig. 10 is a schematic view of the point distribution of the second elastic member in the embodiment under the rectangular coordinate system;

[0075] Figure 7 Fig. 11 is a schematic view of the force of the opponent member when the third engaging portion exists in the embodiment;

[0076] Figure 8 Fig. 12 is a schematic view of the force of the opponent member when the third engaging portion not exists in the embodiment;

[0077] Figure 9 Fig. 13 is a partial enlarged view of the force of the opponent member in the embodiment; Figure 7 Fig. 14 is a partial enlarged view of the force of the opponent member in the embodiment.

[0078] Figure 10 Fig. 15 is a partial enlarged view of the force of the opponent member in the embodiment. Figure 8 Fig. 16 is a partial enlarged view of the force of the opponent member in the embodiment. DETAILED DESCRIPTION

[0079] In order to make the objects and advantages of the present application clearer, the following further describes the present application with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and do not limit the present application.

[0080] The preferred embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0081] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the direction or positional relationship terms based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0082] Moreover, it needs to be explained that, in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0083] Please refer to Figure 1 shown, Figure 1 The structure of the vehicle glass lower clamping strip in the embodiment is shown.

[0084] The present application provides a kind of vehicle glass lower clamping strip, comprising,

[0085] Clamping strip body, which includes straight section 1 for fitting glass 7 side wall and special-shaped U-shaped groove 4 for clamping opposite hand piece;

[0086] First elastic member 2 for fitting with glass 7 bottom, which is located at the top end of the special-shaped U-shaped groove 4 close to the side of the straight section 1, the first elastic member 2 is provided with first protruding part 21 for assisting the clamping of opposite hand piece;

[0087] Second elastic member 3 for assisting the clamping of opposite hand piece, which is arranged inside the special-shaped U-shaped groove 4 and is fitted with the inner wall of the special-shaped U-shaped groove 4 close to the side of the straight section 1, the second elastic member 3 is provided with assembly hole 31 for assisting the assembly of opposite hand piece and multifunctional protrusion 32 according to the shape of opposite hand piece.

[0088] Clamping strip body is fitted with glass side wall through straight section, special-shaped U-shaped groove is clamped with opposite hand piece, cooperates with first elastic member and glass bottom fitting, second elastic member assists opposite hand piece clamping, so that vehicle glass lower clamping strip can be firmly fitted with glass and reliably connected with opposite hand piece, improve the stability and sealing property after assembly. At the same time, through the setting of multifunctional protrusion, the assembly demand of different opposite hand pieces can be met, so that single clamping strip can be applied to different models of opposite hand pieces at the same time, greatly improve the universality of assembly.

[0089] Specifically, the special-shaped U-shaped groove 4 comprises,

[0090] First straight arm section 41, which is provided with straight arm clamping part 411 for clamping with opposite hand piece above;

[0091] Second straight arm section 42, which is arranged below the first straight arm section 41, and is 90° with the first straight arm section 41

[0092] The special-shaped arm comprises an interaction section 43 connected with the straight section 1 and an oblique arm section 44 for mounting the first elastic member 2.

[0093] The second straight arm section 42 is vertically arranged at 90° with the first straight arm section 41, not only providing a stable support frame for the special-shaped U-shaped groove 4, making the card strip body more solid in structure and able to withstand the vibration and impact during vehicle driving, but also providing reasonable space positions for the installation and cooperation of the first elastic member 2 and the second elastic member 3. As an important component of the special-shaped U-shaped groove 4, the vertical connection relationship between the second straight arm section 42 and the first straight arm section 41 ensures that the special-shaped U-shaped groove 4 can form an effective clamping cavity, thereby reliably wrapping and clamping the hand tool, further enhancing the firmness of the hand tool connection. At the same time, this precise angle design is also conducive to achieving rapid positioning during assembly, improving assembly efficiency, and providing convenience for the control of the overall size of the card strip, so that the card strip can better adapt to the installation space below the vehicle glass, improving the compactness and coordination of the overall structure.

[0094] Specifically, the oblique arm section 44 is provided with a first straight section 442 and a first variable section 443 on the right side for abutting the first elastic member 2 and avoiding the glass bottom;

[0095] The left side of the oblique arm section 44 is provided with a protruding block 441, and the top end of the oblique arm section 44 is smoothly transitioned to the protruding block 441;

[0096] The top of the protruding block 441 is used to cooperate with the first protruding part 21, and the bottom is used to abut the second elastic member 3;

[0097] The first variable section 443 comprises a plurality of straight lines and a plurality of curves.

[0098] The right side of the oblique arm section is provided with a first straight section and a first variable section, the left side is provided with a protruding block, and the top end is smoothly transitioned to the protruding block, the protruding block cooperates with the first elastic member and the second elastic member, and the first variable section adopts a combination of straight lines and curves, which not only meets the abutting requirement of the first elastic member and the second elastic member, but also effectively avoids the glass bottom, improving the adaptability and assembly convenience of the card strip.

[0099] Specifically, the straight section 1 is parallel to the second straight arm section 42 and vertically higher than the second straight arm section 42.

[0100] Specifically, the curvature of the transition between the interaction section 43 and the upper surface of the straight section 1 is different from the curvature of the transition between the interaction section 43 and the lower surface of the straight section 1, and the ratio of the curvature of the transition between the interaction section 43 and the upper surface of the straight section 1 to the curvature of the transition between the interaction section 43 and the lower surface of the straight section 1 is in the range of 1: (1.8-2.2).

[0101] Specifically, a double-sided tape 6 is arranged between the straight strip segment 1 and the glass side wall.

[0102] The double-sided tape tightly connects the straight strip segment and the glass side wall, which can significantly improve the connection strength and sealing performance between the strip and the glass, effectively prevent impurities such as rainwater and dust from entering the vehicle through the gap, and reduce the friction noise between the strip and the glass caused by vibration during vehicle driving. The straight strip segment is parallel to the second straight arm segment and vertically higher than the second straight arm segment, which makes the straight strip segment have a better stress angle when it is attached to the glass side wall, and can better resist the lateral force during vehicle driving, avoiding the shift or loosening of the strip, and further ensuring the stability of the strip and the glass. The transition between the upper and lower connecting sections of the straight strip segment is designed with different curvatures, and the curvature ratio of the upper surface connecting transition to the lower surface connecting transition is in the range of 1: (1.8-2.2). This asymmetric curvature transition structure can ensure the connection strength while reducing the stress concentration phenomenon, so that the stress can be effectively dispersed through the curvature transition of the connecting section when the strip body is subjected to external force, avoiding the fracture or damage at the connecting part, and prolonging the service life of the strip. In addition, the curvature ratio range is the optimal choice verified by a large number of experiments, which not only meets the overall flexibility requirements of the strip to ensure its smooth cooperation with the glass and the counterpart during assembly, but also does not cause a decrease in structural stability due to excessive softness, thereby achieving a good balance between structural strength, flexibility and assembly convenience.

[0103] Please refer to Figure 4 as shown, Figure 4 The first elastic member 2 in the embodiment includes,

[0104] a first attaching part 22 for attaching the first straight line segment 442;

[0105] a second attaching part 23 for attaching the top of the special-shaped arm;

[0106] a third attaching part 24 for attaching the transition section between the top of the special-shaped arm and the protruding block 441;

[0107] a first protruding part 21 arranged on one side of the third attaching part 24;

[0108] The horizontal length of the left side of the first protruding part 21 exceeds the protruding block 441.

[0109] The first elastic member is tightly attached to the first straight segment through the first attachment part, the second attachment part is attached to the top of the special-shaped arm, and the third attachment part is adapted to the transition section between the top of the special-shaped arm and the protruding block. The multi-part attachment design ensures the stability of the installation of the first elastic member on the card strip body, so that it is not easy to displace or fall off during vehicle driving. The design that the horizontal length of the left side of the first protruding part exceeds the protruding block can contact the opponent piece in advance during the clamping process of the opponent piece, play a guiding and positioning role, assist the smooth entry of the opponent piece into the clamping position, and improve the convenience and accuracy of assembly. At the same time, the contact between the first protruding part and the opponent piece can also increase the friction between them, further enhance the stability of the opponent piece after clamping, prevent the opponent piece from loosening under vibration and other working conditions, and thus improve the overall assembly reliability of the lower card strip of the vehicle glass.

[0110] Specifically, a transition groove 25 is arranged between the third attachment part 24 and the second attachment part 23 for adjusting the component form when the first protruding part 21 clamps the opponent piece.

[0111] A transition groove is arranged between the third attachment part and the second attachment part, which can effectively adjust the component form when the first protruding part clamps the opponent piece, so that it better adapts to the shape and size changes of the opponent piece, and enhances the universality and adaptability of the card strip.

[0112] Please refer to Figure 5 , Figure 5 It is a structural schematic diagram of the second elastic member in the embodiment; the second elastic member 3 comprises,

[0113] The multifunctional protrusion 32 according to the shape of the opponent piece;

[0114] The avoiding part 33 for assisting in fixing the opponent piece, and the assembly hole 31 is arranged on the avoiding part 33;

[0115] The attachment surface 34 attached to the special-shaped U-shaped groove 4;

[0116] The attachment surface 34 comprises a first attachment section attached to the bottom of the protruding block 441, a second attachment section attached to the left side of the interactive section 43, and a third attachment section attached to the top of the second straight arm section 42.

[0117] The structural design of the multifunctional protrusion, avoiding part, assembly hole and attachment surface of the second elastic member can realize different functions according to different shapes of the opponent piece, including clamping and fixing and assisting assembly, improve the adaptability and universality of the card strip to different opponent pieces, and also ensure the stability of the opponent piece after installation.

[0118] Specifically, the assembly hole 31 is an elliptical through hole, and the ratio of the major axis to the minor axis is 5: (3.5-4.8).

[0119] The assembly hole is an elliptical through hole with a specific shape, which can ensure the smooth insertion of the counterpart during the assembly process and provide a certain elastic fastening force after the installation of the counterpart, prevent the counterpart from loosening, and improve the reliability and stability of the assembly.

[0120] The straight arm engaging portion is provided with a first force point H1 located at the lowest point of the straight arm engaging portion.

[0121] The first protruding portion is provided with a second force point H2 for abutting with the second engaging portion T2 of the counterpart, which is located at the intersection of the upward extension line of the left edge of the protruding block and the first protruding portion.

[0122] The protruding block is provided with a third force point H3 for abutting with the second engaging portion T2 of the counterpart, which is located at the position closest to the protruding block from the second force point H2.

[0123] When the counterpart is engaged, the first protruding portion abuts with the upper edge of the second engaging portion T2 of the counterpart, the second force point H2 provides a downward and left oblique force F3 to the counterpart, the protruding block abuts with the lower edge of the second engaging portion T2, the third force point H3 provides an upward and left oblique force F4 to the counterpart, the first protruding portion and the protruding block work together to generate a resultant force approximately horizontal to the left Fz2, maintaining the stability of the counterpart in the vertical direction. The first engaging portion T1 of the counterpart is engaged with the straight arm engaging portion, and the first force point H1 provides a downward and right oblique force F6 to the first engaging portion T1. The second engaging portion T2 is subjected to a leftward force as a whole, and the first engaging portion T1 is subjected to a downward and right oblique force. The first force point H1, the second force point H2 and the third force point H3 work together to ensure the stability of the engagement.

[0124] Please refer to Figure 2 , Figure 7 and Figure 9 , Figure 2 which are assembly structure schematic diagrams when the third engaging portion is present in the embodiment; Figure 7 which is a force schematic diagram of the counterpart when the third engaging portion is present in the embodiment, Figure 9 which is a partial enlarged view of the force condition of the counterpart in Figure 7 .

[0125] The second elastic member is provided with a fourth force point H4, a fifth force point H5 and a sixth force point H6 for abutting with the counterpart having the third engaging portion T3, wherein the fourth force point H4 is located at the bottom of the multifunctional protrusion, the fifth force point H5 is located on the avoiding portion, and the sixth force point H6 is located at the left end of the multifunctional protrusion.

[0126] Based on the third clamping part T3 of the countermeasure tool, the third clamping part T3 is clamped with the multifunctional protrusion 32, the lower end of the third clamping part T3 extrudes the avoiding part 33, and the assembly hole 31 is contracted. The fifth force point H5 provides an oblique upward force F2 to the third clamping part T3, and the fourth force point H4 provides an oblique downward force F1 to the third clamping part T3;

[0127] The extrusion of the third clamping part T3 to the multifunctional protrusion makes the sixth force point H6 adhere to the right side wall of the countermeasure tool, and the sixth force point H6 provides a leftward force F5 to the countermeasure tool.

[0128] The resultant force Fz1 provided by the fourth force point H4, the fifth force point H5 and the sixth force point H6 points to the straight arm clamping part.

[0129] When the countermeasure tool has the third clamping part T3, the third clamping part T3 is clamped with the multifunctional protrusion, the lower end of the countermeasure tool extrudes the avoiding part to make the assembly hole contract, and this structure design realizes multiple fixation of the countermeasure tool, enhances the connection firmness of the countermeasure tool, and at the same time, through extrusion of the avoiding part, the avoiding part forms a directional thrust to the third clamping part T3, further enhances the connection firmness of the countermeasure tool, improves the stability of the overall structure, and at the same time, the resultant force of the forces provided by the fourth force point H4, the fifth force point H5 and the sixth force point H6 points to the straight arm clamping part, the first protruding part adheres to the upper edge of the second clamping part T2 of the countermeasure tool, the second force point H2 provides an oblique leftward downward force to the countermeasure tool, the protruding block adheres to the lower edge of the second clamping part T2, the third force point H3 provides an oblique leftward upward force to the countermeasure tool, the first force point H1 provides an oblique rightward downward force to the first clamping part T1, the first protruding part and the protruding block jointly generate a resultant force which is approximately horizontal leftward, the resultant force of the forces provided by the fourth force point H4, the fifth force point H5 and the sixth force point H6 points to the straight arm clamping part, the first force point H1 provides an oblique rightward downward force to the first clamping part T1, the whole clamping to the countermeasure tool can not only guarantee horizontal force balance but also guarantee vertical force balance, and guarantees the stability of clamping, at the same time, based on compression of the assembly hole, the deformation amount of the second elastic part in the process of clamping with the countermeasure tool is reduced, the resilience of the elastic part after subsequent disassembly is guaranteed, and the service life is increased.

[0130] Please refer to Figure 3 , Figure 6 , Figure 8 and Figure 10 , Figure 3 for the assembly structure schematic diagram when the third clamping part T3 is not present in the embodiment; Figure 6 for the point distribution schematic diagram of the second elastic part under the rectangular coordinate system in the embodiment,Figure 8 For the force schematic diagram of the opponent tool when the third clamping part does not exist in the embodiment, Figure 10 For the force schematic diagram of the opponent tool when the third clamping part does not exist in the embodiment, Figure 8 For the force schematic diagram of the opponent tool when the third clamping part does not exist in the embodiment,

[0131] The highest point of the multifunctional protrusion is the first deformation force point A, and the intersection between the upper surface and the side surface of the multifunctional protrusion is the second deformation force point B. A rectangular coordinate system is established with the direction of the straight line where the second fitting section is located as the vertical coordinate and the direction of the straight line where the third fitting section is located as the horizontal coordinate. The coordinate expression of the curve segment A-B is:

[0132] ,

[0133] Wherein, h is the distance from the first deformation force point A to the horizontal coordinate, is the angle of the corresponding point when determining any point on the curve segment A-B;

[0134] Based on the fact that the third clamping part T3 does not exist in the opponent tool, the multifunctional protrusion 32 is folded downward under the extrusion of the opponent tool, the lower end of the opponent tool extrudes the avoiding part 33, and the assembly hole 31 is contracted.

[0135] The opponent tool extrudes the curve segment A-B, the first deformation force point A is the deformation force vertex, and the second deformation force point B is the deformation force end point. The curve segment A-B extrudes the opponent tool in the opposite direction, generating a rightward force F7, and the avoiding part provides an obliquely upward force F8 to the opponent tool.

[0136] When the third clamping part T3 does not exist in the opponent tool, the multifunctional protrusion is folded downward under the extrusion of the opponent tool, the lower end of the opponent tool extrudes the avoiding part to make the assembly hole contract, which ensures that the clamping strip can be reliably assembled and fixed under different opponent tools, improves the universality and applicability of the clamping strip, and for the opponent tool without the third clamping part T3, the folding of the multifunctional protrusion and the extrusion of the avoiding part make the reaction force of the second elastic piece on the opponent tool stronger. By setting the elliptical through hole to regulate the direction of the reaction force, the opponent tool is more closely fitted with the straight arm clamping part, which ensures that the opponent tool can be well fixed even if one clamping part is missing, enhances the connection firmness of the opponent tool, and improves the stability of the overall structure.

[0137] The shape of the multifunctional protrusion is accurately designed by establishing a rectangular coordinate system and giving the coordinate expression of the curve segment A-B, so that the multifunctional protrusion can reasonably deform under stress, ensuring effective clamping and fixing of the hand tool. The large curvature radius of the upper surface of the multifunctional protrusion can make the deformation during the pressing process of the hand tool smooth and the fit after clamping tight without the third clamping part T3. Meanwhile, the large curvature radius makes the force uniform when clamping the hand tool when the third clamping part T3 exists, improving the versatility and applicability of the clamping strip, enhancing the connection firmness of the hand tool, and improving the stability of the overall structure. The curve segment A-B is an arc with a large radius. When the hand tool is gradually fitted, the hand tool first touches the first deformation force point A and is pressed downward. As the degree of pressing increases, the contact area between the curve segment A-B and the hand tool gradually increases until the second deformation force point B is fitted with the hand tool. This gradual fitting process makes the deformation of the multifunctional protrusion more uniform, avoiding stress concentration and prolonging the service life of the second elastic member. At the same time, in the coordinate expression of the curve segment A-B, by accurately setting the value range of the angle θ1 (60° to 70.5°) and the coefficient 1.6h, the multifunctional protrusion can generate appropriate reverse pressing force during folding, ensuring the tightening effect of the hand tool and preventing damage to the hand tool or the clamping strip itself due to excessive pressing force. At the same time, the assembly hole is set as an elliptical through hole with a specific ratio range (the ratio range of the long axis to the short axis is 5: (3.5-4.8)). In addition to ensuring the smooth insertion of the hand tool during assembly, it also provides a certain elastic tightening force after the hand tool is installed, preventing the hand tool from loosening. During the clamping and disassembly of the hand tool, the clamping strip and the elastic member will bear forces of various directions and sizes. Compared with a circular hole, an elliptical hole can better adapt to the distribution of these forces, avoiding stress concentration at a certain point, thereby reducing the risk of fatigue damage and rupture of the material due to stress concentration, greatly improving the service life of the clamping strip and the elastic member. The elliptical hole has a certain guiding effect when the hand tool is inserted. When the hand tool is inserted into the assembly hole, the long axis direction of the elliptical hole can provide a relatively loose insertion space for the hand tool, facilitating the initial positioning and insertion of the hand tool. The short axis direction provides a certain constraint and tightening force after the hand tool is inserted, ensuring the stability of the hand tool during clamping. This dual effect of guidance and constraint makes the assembly process smoother, reduces the number of errors and adjustments during assembly, and improves the efficiency and quality of assembly.

[0138] Specifically, the multifunctional cavity 35 is provided between the multifunctional protrusion 32 and the avoiding part 33, and the multifunctional cavity 35 is provided with a first curve segment protruding and hooked connected with the bottom of the multifunctional protrusion 32, and a second curve segment connected with the avoiding part 33.

[0139] The radius of curvature of the second curve segment is greater than the radius of curvature of the first curve segment, which is greater than the radius of curvature of the bottom protruding hook.

[0140] The multifunctional cavity is arranged between the multifunctional protrusion and the avoiding part, and the radii of curvature of the curve segments are reasonably designed, so that the multifunctional protrusion can better elastically deform under stress, including that the radius of the multifunctional cavity inside is slightly greater than that of the bottom protruding hook when the third clamping part T3 exists, so that the third clamping part T3 can be quickly clamped, and the radius of the multifunctional cavity inside is slightly greater than that of the bottom protruding hook when the third clamping part T3 exists, so that the multifunctional protrusion can be folded with smaller self-obstruction in the folding process, the deformation after folding is well controlled, the versatility and applicability of the clamping strip are further improved, the connection firmness to the hand tool is enhanced, and the stability of the overall structure is improved.

[0141] Specifically, the starting end of the bottom protruding hook of the multifunctional protrusion is C, the terminal end connected with the first curve segment is D, and the coordinate expression of the curve segment C-D is:

[0142] ,

[0143] Among them, L is the distance from the lowest point of the bottom protruding hook to the first deformation force point A, is the angle of the corresponding point when a point on the curve segment C-D is determined;

[0144] The curvature center of the first curve segment has the same horizontal coordinate as the horizontal coordinate of the first deformation force point A, and has the same vertical coordinate as the vertical coordinate of the lowest point of the bottom protruding hook, and the radius of curvature is 1.1-1.2 times the radius of the curve segment C-D;

[0145] The connection point of the first curve segment and the second curve segment is E, and the connection point of the second curve segment and the avoiding part is G,

[0146] The coordinate expression of the curve segment E-G is:

[0147] ,

[0148] Among them, R is the radius of the curve segment C-D, and m is the distance from the vertex on the left side of the multifunctional protrusion to the vertical coordinate axis.

[0149] The coordinate expressions of the curve segment C-D and the curve segment E-G and the curvature relationship of each curve segment accurately control the shape and size of the multifunctional cavity, further optimize the elastic deformation performance of the multifunctional protrusion, ensure the stable clamping and fixing of the opponent's tool, and improve the overall performance and reliability of the clamping strip. For the multifunctional protrusion bottom hook, as the main clamping component when the third clamping part T3 exists, the greater the distance between the bottom and the top, the larger the third clamping part T3 of the opponent's tool to be clamped, and the radius range of the bottom hook is increased at this time to ensure the fixation of the third clamping part T3. The design of the multifunctional cavity also considers the adaptability of the clamping strip under different opponent's tools, ensuring that the clamping and fixation can be reliably achieved through reasonable elastic deformation when the third clamping part T3 exists or does not exist, further improving the mechanical performance of the clamping strip under different working conditions. For the first curve segment, as the deformation segment when the third clamping part T3 exists and the folding place when the third clamping part T3 does not exist, the radius changes with the bottom hook, ensuring quick fixation when the third clamping part T3 exists and folding deformation limitation when the third clamping part T3 does not exist, improving the versatility and applicability of the clamping strip. For the second curve segment, the curvature radius is related to the radius of the curve segment C-D, ensuring the folding deformation limitation when the third clamping part T3 does not exist. The three curve segments are interrelated, further improving the versatility and applicability of the clamping strip, enhancing the connection stability of the opponent's tool, and improving the stability of the overall structure.

[0150] The coordinate expressions of the curve segment C-D and the curve segment E-G and the curvature relationship of each curve segment are crucial for meeting the mechanical performance of the clamping strip under different working conditions. During the clamping process of the opponent's tool and the clamping strip, the force on the multifunctional protrusion bottom hook is complex. When the third clamping part exists, the third clamping part exerts a large extrusion force on the bottom hook, which needs to withstand a large local stress. By accurately controlling the coordinate expression and curvature radius of the curve segment C-D, the stress can be evenly distributed to the surrounding structure when the bottom hook is under a large pressure, avoiding local damage caused by stress concentration. For example, the setting of the angle θ2 value range (215° to 347°) and the coefficient (L / 3.6) in the curve segment C-D can make the bottom hook produce reasonable elastic deformation when stressed, ensuring tight clamping with the third clamping part and not losing elastic recovery ability due to excessive deformation.

[0151] The specific relationship between the curvature center and radius of the first curve segment and the bottom protruding hook is also considered based on mechanical requirements. When the bottom protruding hook is deformed under force, the first curve segment can provide stable support and constraint to prevent the bottom protruding hook from excessive deviation or irreversible deformation. The curvature radius is 1.1-1.2 times the radius of the curve segment C-D. This proportional relationship enables the first curve segment to timely share part of the stress when the bottom protruding hook is under force, and in the overall deformation process of the multifunctional protrusion, it cooperates with the bottom protruding hook to maintain the overall structural stability of the multifunctional cavity and ensure the stable mechanical properties of the card strip during the clamping process.

[0152] The coordinate expression and curvature design of the curve segment E-G play a key role in transition and buffering in mechanical properties. When the opponent's tool is clamped with the card strip, the avoiding part will be subjected to extrusion force from the opponent's tool. The curve segment E-G connects the avoiding part and the first curve segment and can gradually transfer and disperse the force received by the avoiding part to the entire multifunctional cavity structure. The correlation between the x value range (1.5R-L) and the curvature radius R in the coordinate expression ensures that the curve segment E-G can provide appropriate elastic support under different stress conditions, avoiding damage to the avoiding part or the multifunctional cavity structure due to excessive stress. At the same time, during the disassembly process of the opponent's tool, the curve segment E-G can quickly recover to its original state, providing a reliable mechanical basis for the next clamping operation.

[0153] The spatial structure design of the multifunctional cavity 35 and the cooperation of each curve segment meet the overall coordination requirements of the card strip in mechanical properties. During the clamping and disassembly process of the opponent's tool, the card strip needs to withstand forces from different directions and sizes. The existence of the multifunctional cavity enables the structures of each part to deform cooperatively and jointly cope with complex mechanical environments. By reasonably designing the curvature radius and coordinate expression of each curve segment, the multifunctional cavity can form a stable mechanical transmission path when under stress, evenly dispersing stress to the entire card strip structure and avoiding material fatigue and damage caused by local stress concentration, thereby improving the mechanical reliability and service life of the card strip.

[0154] Specifically, the center position coordinates of the elliptical through hole are (0.75s, 1.1s), and s is the distance from the connection point of the first curve segment and the second curve segment to the longitudinal coordinate axis.

[0155] Specifically, the elliptical through hole is inclined in the rectangular coordinate system, and the slope of the major axis is:

[0156] k= (p ÷ 2 - q ÷ 3) / (p - q), where p = 2.5R and q = 1.25L.

[0157] The position coordinates of the center of the ellipse are determined to better match the position of the assembly hole with other structures of the clamping strip, ensure accurate positioning and stable installation of the counterpart during assembly, improve the accuracy and reliability of assembly, and provide a calculation formula for the slope of the long axis of the ellipse. The inclination angle of the assembly hole is optimized to make it more closely and reasonably matched with the counterpart, further improving the installation stability of the counterpart and the overall performance of the clamping strip. At the same time, by limiting the slope of the ellipse, the direction of the force of the second elastic member on the counterpart is adjusted, enhancing the connection stability of the counterpart and improving the stability of the overall structure. The position coordinates of the center of the elliptical hole are determined as (0.75s, 1.1s), and s is the distance from the connecting point of the first curve segment and the second curve segment to the vertical coordinate axis. Such a setting makes the position of the assembly hole better match with other structures of the clamping strip. During the assembly of the counterpart, the accurate center position can provide clear insertion guidance for the counterpart, ensuring that the counterpart follows the predetermined path during insertion, thereby achieving accurate positioning. This helps the accurate engagement of the counterpart with various parts of the clamping strip, avoids assembly difficulties or insecure engagement due to positional deviation, and improves the accuracy and reliability of assembly. The calculation formula for the slope of the long axis of the ellipse is given as k = (p ÷ 2 - q ÷ 3) / (p - q), where p = 2.5R and q = 1.25L. This formula can optimize the inclination angle of the assembly hole to make it more closely and reasonably matched with the counterpart. Different counterparts may differ in shape, size, and installation method, and appropriate long axis slope of the ellipse can better adapt to the characteristics of the counterpart, making the counterpart fit more closely with the clamping strip after being inserted into the assembly hole, thereby improving the installation stability of the counterpart.

[0158] Specifically, the first metal fixing strip is arranged in the special-shaped arm, the first straight arm segment, the second straight arm segment, and the straight strip segment are provided with a second metal fixing strip; the second straight arm segment and the bottom of the straight strip segment are provided with soft material, and a reinforcing rib is arranged between the straight strip segment and the soft material.

[0159] So far, the technical solutions of the present application have been described in conjunction with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the present application, and the technical solutions after such changes or replacements will fall within the protection scope of the present application.

Claims

1. A vehicle window lower retaining strip, characterized in that, include, The main body of the clip includes a straight strip for fitting against the glass sidewall and a U-shaped groove for engaging the opposite part; The first elastic element is used to fit against the bottom of the glass. It is located at the top of the side of the irregular U-shaped groove near the straight section. The first elastic element is provided with a first protrusion to assist in engaging the hand element. The second elastic element is used to assist the engagement of the opposing component. It is disposed inside the irregular U-shaped groove and fits against the inner wall of the irregular U-shaped groove on the side near the straight section. The second elastic element is provided with an assembly hole for assisting the assembly of the opposing component and a multi-functional protrusion whose function is determined according to the shape of the opposing component. The irregular U-shaped groove includes The first straight arm segment has a straight arm engaging part on its upper part for engaging with the aforementioned counter piece; The second straight boom section is located below the first straight boom section and forms a 90° angle with the first straight boom section; The irregular arm includes an interactive section connected to the straight section and a slanted arm section for mounting the first elastic member; The right side of the inclined arm section is provided with a first straight section that fits with the first elastic element and a first variable section that avoids the bottom of the glass. A protruding block is provided on the left side of the inclined arm section, and the top of the inclined arm section transitions smoothly to the protruding block. The top of the protruding block is used to engage with the first protrusion, and the bottom is used to fit against the second elastic element; The first variable line segment includes several straight lines and several curves; The second elastic element includes, The multifunctional protrusion; An abutment portion for assisting in fixing the component, wherein the assembly hole is provided within the abutment portion; The mating surface that fits into the irregular U-shaped groove; The bonding surface includes a first bonding section that bonds to the bottom of the protruding block, a second bonding section that bonds to the left side of the interactive section, and a third bonding section that bonds to the top of the second straight arm section. The highest point of the multifunctional protrusion is designated as the first deformation force point A, and the junction of the upper and side surfaces of the multifunctional protrusion is designated as the second deformation force point B. A rectangular coordinate system is established with the upward direction of the line containing the second bonding segment as the ordinate and the leftward direction of the line containing the third bonding segment as the abscissa. The coordinate expression of curve segment AB is as follows: ， Where h is the distance from the first deformation point A to the horizontal axis. To determine the angle of the corresponding point when any point is on curve segment AB; Since the opposing component does not have a third engaging part, the multifunctional protrusion folds downward under the pressure of the opposing component, presses the lower end of the opposing component against the clearance part, and the assembly hole shrinks. The opposing component compresses the curved segment AB, with the first deformation point A serving as the deformation force vertex and the second deformation point B serving as the deformation force endpoint. The curved segment AB compresses the opposing component in the opposite direction, generating a force to the right. The avoidance part provides an upward force to the opposing component.

2. The vehicle window lower retaining strip according to claim 1, characterized in that, The straight section is parallel to the second straight arm section and is vertically higher than the second straight arm section.

3. The vehicle window lower retaining strip according to claim 2, characterized in that, The curvature of the transition point between the interactive segment and the straight segment is different. The ratio of the curvature of the transition point between the upper and lower surfaces of the interactive segment and the straight segment to the curvature of the transition point between the lower surfaces is in the range of 1: (1.8-2.2).

4. The vehicle window lower retaining strip according to claim 1, characterized in that, Double-sided adhesive tape is provided between the straight section and the glass sidewall.

5. The vehicle window lower retaining strip according to claim 1, characterized in that, The first elastic element includes, The first bonding portion is used to fit the first straight line segment; The second fitting part is used to fit the top of the irregular arm; The third fitting part is used to fit the transition section between the top of the irregular arm and the protruding block; A first protrusion is provided on one side of the third fitting portion; The left horizontal length of the first protrusion extends beyond the protruding block.

6. The vehicle window lower retaining strip according to claim 5, characterized in that, A transition groove is provided between the third fitting part and the second fitting part to adjust the shape of the component when the first protrusion engages with the hand component.

7. The vehicle window lower retaining strip according to claim 6, characterized in that, The straight arm engaging part is provided with a first force point H1, and the first force point H1 is located at the lowest point of the straight arm engaging part. The first protrusion is provided with a second force point H2 for engaging with the second engaging part of the opponent, which is located at the intersection of the upward extension line of the left edge of the protrusion and the first protrusion. The protruding block is provided with a third force point H3 for engaging with the second engaging part of the opponent, which is located at the point where the second force point H2 is closest to the protruding block.

8. The vehicle window lower retaining strip according to claim 7, characterized in that, The second elastic member is provided with a fourth force point H4, a fifth force point H5, and a sixth force point H6 for engaging with the opponent member containing the third engagement part. The fourth force point H4 is located at the bottom of the multifunctional protrusion, the fifth force point H5 is located on the avoidance part, and the sixth force point H6 is located at the left end of the multifunctional protrusion. Based on the fact that the opponent has a third engaging part, the third engaging part engages with the multifunctional protrusion, the lower end of the third engaging part presses against the avoidance part, the assembly hole shrinks, the fifth force point H5 provides an upward force to the third engaging part, and the fourth force point H4 provides a downward force to the third engaging part. The third engaging part presses against the multifunctional protrusion, causing the sixth force point H6 to fit against the right side wall of the opponent, and the sixth force point H6 provides a leftward force to the opponent. The resultant force provided by the fourth point of force H4, the fifth point of force H5 and the sixth point of force H6 points towards the straight arm engagement part.

9. The vehicle window lower retaining strip according to claim 8, characterized in that, The assembly hole is an elliptical through hole with a major axis to minor axis ratio ranging from 5: (3.5-4.8).

10. The vehicle window lower retaining strip according to claim 9, characterized in that, A multifunctional cavity is provided between the multifunctional protrusion and the avoidance part. The multifunctional cavity is provided with a first curved segment that is connected to the bottom protruding hook of the multifunctional protrusion and a second curved segment that is connected to the avoidance part. The radius of curvature of the second curve segment is greater than that of the first curve segment, which is greater than that of the bottom protruding hook.

11. The vehicle glass lower retaining strip according to claim 10, characterized in that, The starting end of the multifunctional protrusion with a hook at the bottom is C, and the ending end connecting to the first curve segment is D. The coordinate expression of curve segment CD is: ， in, L The distance from the lowest point of the bottom protruding hook to the first deformation force point A is... To determine the angle of the corresponding point when there is any point on curve segment CD; The x-coordinate of the curvature center of the first curve segment is the same as the x-coordinate of the first deformation force point A, and the y-coordinate is the same as the y-coordinate of the lowest point of the bottom protruding hook. Its radius of curvature is 1.1-1.2 times the radius of the curve segment CD. The connection point between the first curve segment and the second curve segment is E, and the connection point between the second curve segment and the avoidance section is G. The coordinate expression of curve segment EG is: ， Where R is the radius of curve segment CD, and m is the distance from the left vertex of the multifunctional protrusion to the vertical axis.

12. The vehicle glass lower retaining strip according to claim 10, characterized in that, The center coordinates of the elliptical through hole are (0.75s, 1.1s), where s is the distance from the connection point of the first curve segment and the second curve segment to the vertical coordinate.

13. The vehicle window lower retaining strip according to claim 11, characterized in that, The elliptical through-hole is inclined in a rectangular coordinate system, and its major axis slope is k = (p÷2 - q÷3) / (pq). Where p = 2.5R, q = 1.25L.

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