A windshield wiper arm auxiliary positioning device and method for passenger vehicles

Abstract

This invention discloses an auxiliary positioning device and method for windshield wiper arms in passenger vehicles, which solves the problem of inaccurate positioning during wiper installation in the prior art. It has the beneficial effect of ensuring the accurate positioning of the wiper arm by ensuring the accuracy of the auxiliary positioning device. The specific solution is as follows: An auxiliary positioning device for windshield wiper arms in passenger vehicles includes a first positioning component and a second positioning component. The first positioning component and the second positioning component are spaced apart. The first positioning component and the second positioning component are connected by a connector. The inner surfaces of the first positioning component and the second positioning component facing the windshield are respectively engaged with the lower decorative panel of the windshield. A first limiting groove is provided on the inner surface of the first positioning component facing the windshield to limit the installation direction of the left wiper arm. A first recess is provided on the side of the first positioning component facing the second positioning component, and the first recess can engage with the installation end of the right wiper arm.

Description

Technical Field

[0001] This invention relates to the field of windshield wiper installation technology, and in particular to an auxiliary positioning device and method for windshield wiper arms in passenger vehicles. Background Technology

[0002] The statements in this section are merely background information related to the present invention and do not necessarily constitute prior art.

[0003] As the vehicle market matures, automotive structural designs vary significantly across different market segments. Windshield wiper arms are adaptively designed to accommodate differences in windshield size, angle, engine compartment sheet metal, and lower windshield trim, while also considering product performance. One end of each wiper arm needs to be fixed to the corresponding power output shaft of the wiper motor, and then tightened with nuts to the specified torque. While there are subtle structural differences between the left and right wiper arms, careful visual inspection is required during assembly. After the wiper arm is inserted into the wiper motor input shaft, the fine alignment marks on the windshield must be manually checked to ensure the correct installation angle. The inventors discovered that because the windshield and lower windshield trim are uneven, installing the wipers using traditional assembly methods would not ensure standardized product assembly, significantly impacting production efficiency.

[0004] Existing technologies employ positioning fixtures for windshield wiper positioning. For example, Chinese patent application CN201921179097.1, filed on July 25, 2019, discloses a front wiper arm installation positioning fixture, which specifically sets up two positioning support frames. However, its positioning object is the connector between the wiper arm and the wiper blade. Since the wiper arm is relatively long and thin, positioning the wiper arm connector cannot guarantee the positioning accuracy of the wiper arm. Moreover, no corresponding positioning method is given on how to accurately position the two positioning support frames. If the positioning support frames are not placed accurately, the accurate positioning of the wiper blade cannot be guaranteed. Furthermore, the distance between the two positioning support frames is relatively large, resulting in a large overall area, which is inconvenient for operators.

[0005] Because the wiper arms on both sides are different and not exactly the same, if they are installed incorrectly, the installers sometimes do not notice it in time, leading to rework issues later.

[0006] In addition, when using power tools to tighten the wiper arm nuts, since there are no other fasteners to secure the wiper arm, it is necessary to manually assist and support the wiper arm to the correct angle to eliminate the influence of the power tool's reaction force on the final installation angle of the wiper arm. Summary of the Invention

[0007] To address the shortcomings of existing technologies, the purpose of this invention is to provide an auxiliary positioning device for windshield wiper arms in passenger vehicles. This device solves the problems of angular positioning and misplacement of left and right wiper arms on the irregular outer contours of surrounding components. It eliminates the need for operators to rely on visual alignment and manual assistance to support the wiper arms to the correct angle, thereby eliminating the impact of power tool reaction force on the final installation angle of the wiper arms and improving product assembly consistency and production efficiency.

[0008] To achieve the above objectives, the present invention is implemented through the following technical solution:

[0009] A windshield wiper arm auxiliary positioning device for a passenger vehicle includes a first positioning component and a second positioning component, which are spaced apart and connected by a connector. The inner surfaces of the first and second positioning components facing the windshield respectively engage with the lower windshield trim panel. The inner surface of the first positioning component facing the windshield has a first limiting groove to limit the installation direction of the left wiper arm. The side of the first positioning component facing the second positioning component has a first recess that can engage with the mounting end of the right wiper arm to position the first positioning component. The inner surface of the second positioning component facing the windshield has a second limiting groove to limit the installation direction of the right wiper arm.

[0010] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, considering that the width of the lower windshield trim panel is relatively narrow, the inner surfaces of the first positioning member and the second positioning member facing the windshield are also in contact with the side of the windshield near the lower windshield trim panel.

[0011] The first limiting groove and the second limiting groove have different shapes.

[0012] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the distance between the first positioning member and the second positioning member is less than the projected length of the right wiper arm connected to its mounting end in the lateral direction, and the distance between the first positioning member and the second positioning member is greater than 15cm. This ensures that the distance between the first positioning member and the second positioning member is within a suitable range, neither too large, which would result in a large footprint and inconvenience in operation, nor too small, which ensures that the distance between the two members facilitates accurate positioning of both wiper arms simultaneously.

[0013] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the first positioning member is provided with a first slot facing the inner surface of the windshield, the first slot can engage with the side of the lower windshield trim panel near the windshield, and the first slot is located inside the first limiting groove.

[0014] The first limiting groove is bent to match the shape of the left wiper arm at the first limiting groove.

[0015] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the first recess is an arc-shaped recess, which is bent into an L-shape so that when the first positioning member is engaged with the mounting end of the right wiper arm, the position of the first positioning member can be positioned in the X and Y directions. The first positioning member is also provided with a second recess on the inner surface of the windshield facing the windshield. The second recess is located on one side of the first recess, and the shape of the second recess fits the surface of the lower windshield trim panel.

[0016] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the second positioning member is provided with a second slot facing the inner surface of the windshield, the second slot can engage with the side of the lower windshield trim panel near the windshield, and the second slot is located outside the second limiting groove.

[0017] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the second positioning member has a third recess on the inner surface facing the windshield. The third recess is located on one side of the second limiting groove and is in contact with the surface of the lower windshield trim panel.

[0018] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the width of the second limiting groove gradually decreases from the side closest to the first positioning member to the other side of the second positioning member, and the inclination angle of the second limiting groove relative to the connecting member is consistent with the inclination angle of the right wiper arm in the second limiting groove.

[0019] As described above, in a passenger vehicle windshield wiper arm auxiliary positioning device, the length of the first positioning member is greater than the length of the second positioning member;

[0020] The connector is a connecting rod, and the first positioning component and the second positioning component are perpendicularly connected to the connecting rod.

[0021] Secondly, the present invention also provides a method for auxiliary positioning of a windshield wiper arm in a passenger vehicle, employing the aforementioned auxiliary positioning device for a windshield wiper arm in a passenger vehicle, comprising the following:

[0022] A first positioning component and a second positioning component are manufactured. The first positioning component and the second positioning component are connected by a connector. The first positioning component is provided with a first recess and a first limiting groove, and the second positioning component is provided with a second limiting groove.

[0023] After the windshield and the lower trim panel are assembled, the workers pre-install the left and right wiper arms on the corresponding motor output shafts and make preliminary adjustments to the setting angles of the left and right wiper arms.

[0024] A first positioning component is placed on the surface of the lower trim panel of the windshield. The first recess of the first positioning component engages with the mounting end of the right wiper arm, thus defining the position of the first positioning component. Since the first positioning component and the second positioning component are connected, the position of the second positioning component is defined.

[0025] Adjust the setting angles of the left and right wiper arms according to the positions of the first and second limiting grooves until a section of the left wiper arm is engaged in the first limiting groove and a section of the right wiper arm is engaged in the second limiting groove.

[0026] Tighten the left and right wiper arms. After tightening, move the windshield wiper arm auxiliary positioning device away from the windshield to remove it.

[0027] The beneficial effects of the present invention are as follows:

[0028] 1) The positioning device in this invention includes a first positioning component and a second positioning component. The first positioning component has a first recess. When the positioning device is installed, the first recess is engaged with the mounting end of the right wiper arm. The first positioning component and the second positioning component are engaged with the lower decorative panel of the windshield on the inner surface facing the windshield. In this way, the position of the auxiliary positioning device can be accurately positioned. After the two are accurately positioned, the angle of the left wiper arm and the right wiper arm can be limited by the first limiting groove and the second limiting groove. This can accurately ensure the positioning of the wipers, quickly align the positioning angles of the left and right wipers, ensure product assembly consistency, and eliminate the need for operators to visually align at close range, thus reducing non-value-added labor time.

[0029] 2) This invention uses an auxiliary positioning device to position the left and right wiper arms respectively, which simplifies the operation steps to the greatest extent, improves production efficiency, and reduces the difficulty of operation for employees. When using this auxiliary positioning device, employees do not need to hold the wiper arms to counteract the reaction force of the power tool during the tightening of the nut.

[0030] 3) By taking into account the space of the structural components, the inner surfaces of the first positioning component and the second positioning component facing the windshield are also attached to the side of the windshield near the lower decorative panel, ensuring the setting length of the two positioning components and ensuring the setting of each limiting groove.

[0031] 4) The first and second limiting grooves of this invention have different shapes, so the operator can install them according to the fit between the first and second limiting grooves and the corresponding side wiper arms, avoiding installation errors. If the wiper arms on both sides are installed incorrectly, the auxiliary positioning device cannot be placed, making it impossible to proceed to the next step. This helps to prevent installation errors from occurring and to correct them in a timely manner.

[0032] 5) In this invention, the first recess is an arc-shaped recess to engage with the mounting end of the right wiper arm. The first recess is bent into an L-shape so that when the first recess engages with the mounting end of the right wiper arm, it can position the position of one side of the first positioning member from the X and Y directions. The first positioning member is also provided with a first slot, which positions the other side of the first positioning member from the Y direction. This ensures that the first positioning member is accurately positioned. Since the first positioning member and the second positioning member are connected, the second positioning member is provided with a second slot, which can engage with the side of the lower windshield trim panel near the windshield glass. This ensures the setting accuracy of the auxiliary positioning device, thereby correspondingly ensuring the installation position of the two wiper arms. Attached Figure Description

[0033] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0034] Figure 1 This is a schematic diagram of an auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to one or more embodiments of the present invention. Figure 1 .

[0035] Figure 2 This is a schematic diagram of an auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to one or more embodiments of the present invention. Figure 2 .

[0036] Figure 3 This is a schematic diagram illustrating the working state of an auxiliary positioning device for a windshield wiper arm in a passenger vehicle according to one or more embodiments of the present invention. Figure 1 .

[0037] Figure 4 This is a schematic diagram illustrating the working state of an auxiliary positioning device for a windshield wiper arm in a passenger vehicle according to one or more embodiments of the present invention. Figure 2 .

[0038] Figure 5 This is a cross-sectional view of a windshield wiper arm auxiliary positioning device for a passenger vehicle according to one or more embodiments of the present invention during operation.

[0039] Figure 6 This is the present invention. Figure 5 Enlarged diagram of point A in the middle.

[0040] The diagram exaggerates the spacing or dimensions between parts to show their positions; the diagram is for illustrative purposes only.

[0041] Among them: 1. First positioning component, 2. Second positioning component, 3. Connector, 4. Handle, 5. Bolt, 6. Left wiper arm, 7. Right wiper arm, 8. Windshield, 9. Lower windshield trim panel;

[0042] 1-1. First limiting groove; 1-2. First recess; 1-3. First slot; 1-4. Second recess;

[0043] 2-1. Second slot, 2-2. Second limiting slot, 2-3. Third recess. Detailed Implementation

[0044] It should be noted that the following detailed description is illustrative and intended to provide further explanation of the invention. Unless otherwise specified, all technical and scientific terms used in this invention have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.

[0045] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the scope of exemplary embodiments according to the invention. As used herein, unless otherwise expressly indicated by the invention, the singular form is also intended to include the plural form. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0046] As described in the background section, the existing technology has the problem of inaccurate positioning during windshield wiper installation. In order to solve the above technical problem, the present invention proposes an auxiliary positioning device for windshield wiper arms of passenger vehicles.

[0047] Example 1

[0048] In a typical embodiment of the present invention, reference is made to Figure 1 and Figure 2 As shown, a windshield wiper arm auxiliary positioning device for a passenger vehicle includes a first positioning component 1 and a second positioning component 2. The first positioning component 1 and the second positioning component 2 are spaced apart and connected by a connector. The inner surfaces of the first positioning component 1 and the second positioning component 2 facing the windshield 8 are respectively engaged with the lower decorative panel of the windshield. The inner surface of the first positioning component 1 facing the windshield is provided with a first limiting groove 1-1 to limit the installation direction of the left wiper arm 6. The side of the first positioning component 1 facing the second positioning component 2 is provided with a first recess 1-2, which can engage with the installation end of the right wiper arm 7 to position the first positioning component 1 through the installation end of the right wiper arm 7. The inner surface of the second positioning component 2 facing the windshield 8 is provided with a second limiting groove 2-2 to limit the installation direction of the right wiper arm 7.

[0049] It should be noted that the inner surfaces of the first positioning member 1 and the second positioning member 2 refer to the surfaces facing the windshield or the lower trim panel of the windshield.

[0050] Considering that the width of the lower windshield trim panel 9 is relatively narrow, and because the first positioning member 1 and the second positioning member 2 need to cross one side of the lower windshield trim panel 9, in order to ensure accurate positioning of the first positioning member 1 and the second positioning member 2, the inner surface of the first positioning member 1 and the second positioning member 2 facing the windshield glass 8 is also attached to the side of the windshield glass close to the lower windshield trim panel 9.

[0051] It should be noted that the distance between the first positioning component 1 and the second positioning component 2 is less than the projected length in the lateral direction of the section connecting the right wiper arm 7 to its mounting end. The section connecting the right wiper arm 7 to its mounting end is also the thickest part of the right wiper arm 7, and this section also has a set length. By accurately positioning it, the accurate positioning of the right wiper arm 7 is ensured. The distance between the first positioning component 1 and the second positioning component 2 is greater than 15cm, so that the distance between the first positioning component and the second positioning component is within a suitable range. It is not too large, which would result in a large footprint and inconvenience in operation, nor is it too small, which ensures that the distance between the two is convenient for the simultaneous and accurate positioning of the wiper arms on both sides.

[0052] refer to Figure 2 As shown, the first positioning member 1 is provided with a first slot 1-3 facing the inner surface of the windshield glass. The first slot 1-3 can engage with the side of the lower windshield decorative panel close to the windshield glass 8. The first slot 1-3 is located inside the first limiting slot 1-1 (the side away from the windshield glass is the inner side). Considering the shape of the lower windshield decorative panel, the first slot 1-3 is a straight slot or an arc slot.

[0053] Understandably, since one side of the first recess 1-2 of the first positioning member is exactly the bent section of the thinner part in the middle of the left wiper arm 6, in order to make the first limiting groove accurately position the left wiper arm 6, the first limiting groove is bent to match the shape of the left wiper arm at the first limiting groove 1-1.

[0054] The first recess 1-2 is an arc-shaped recess, the inner diameter of which matches the outer diameter of the mounting end of the right wiper arm 7. The first recess is L-shaped, meaning the width of the first positioning member on the side of the first recess away from the windshield is greater than the width of the first positioning member itself. The bend of the first recess has a rounded transition, so that when the first positioning member engages with the mounting end (arc-shaped) of the right wiper arm 7, the position of the first positioning member 1 can be positioned in the X and Y directions. (Refer to...) Figure 5 and Figure 6 As shown, the first positioning member 1 is further provided with a second recess 1-4 on the inner surface of the windshield glass 8 or the lower windshield decorative panel 9. The second recess is located on one side of the first recess 1-2, and the shape of the second recess 1-4 fits the surface of the lower windshield decorative panel 9.

[0055] In addition, the second positioning member 2 is provided with a second slot 2-1 facing the inner surface of the windshield 8. The second slot 2-1 can engage with the side of the lower windshield trim panel near the windshield 8. The second slot 2-1 is located outside the second limiting groove (the side near the windshield is the outside). Considering the shape of the lower windshield trim panel 9, the second slot 2-1 is a straight groove or an arc groove. The first slot and the second slot are on the same straight line or the same arc.

[0056] Considering the structural design of the lower windshield trim panel 9, the inner surface of the second positioning member 2 facing the windshield glass is also provided with a third recess 2-3. The third recess 2-3 is located on one side of the second limiting groove. The second limiting groove is located between the third recess and the second slot. The third recess fits against the surface of the lower windshield trim panel. The shape of the third recess is not forcibly limited.

[0057] In some examples, as the width of the right wiper arm 7 gradually decreases, the width of the second limiting groove 2-2 gradually decreases from the side of the second positioning member close to the first positioning member 1 to the other side of the second positioning member 2, and the tilt angle of the second limiting groove 2-2 relative to the connector is consistent with the tilt angle of the right wiper arm in the second limiting groove.

[0058] In this embodiment, the length of the first positioning member 1 is greater than the length of the second positioning member 2; the connecting member 3 is a connecting rod, and the first positioning member 1 and the second positioning member 2 are respectively perpendicularly connected to the connecting rod. The connecting rod avoids the installation end of the right wiper arm at the connection position of the first positioning member, so as to make space clearance for the fixing of the installation end and not interfere with the electric tightening tool and the socket.

[0059] Specifically, the first positioning component 1 is the first positioning block, and the second positioning component 2 is the second positioning block. Both the first positioning component 1 and the second positioning component 2 have a set width and a set thickness. Because the first positioning component and the second positioning component are provided with limiting grooves, recesses and other structures, the thickness of the first positioning component and the second positioning component varies at different positions. However, the outer surfaces of the first positioning component and the second positioning component are on the same plane. The two sides of the connecting component are respectively connected to the upper surface (outer surface away from the windshield) of the first positioning component and the second positioning component by bolts. The connecting component has a set width, and the upper surface of the connecting component is provided with a handle 4. The operator can hold the handle 4 to easily pick up the auxiliary positioning device.

[0060] Specifically, the first positioning component 1 and the second positioning component 2 are designed by using the outer contours of the two wiper arms, the outer surface of the windshield, and the lower trim panel of the windshield. The positioning is accurate and easy to use. The first and second positioning components can be made of synthetic fibers, and the overall weight is relatively light, which facilitates mass production in the final assembly while reducing product defects and manufacturing costs.

[0061] In addition, it is easy to understand that the contact surfaces of the first positioning component 1, the second positioning component 2, the windshield glass 8, the wiper arms on both sides, and the lower decorative panel of the windshield 9 are covered with flocked protective material to avoid scratches on the appearance surfaces of each part during use.

[0062] The auxiliary positioning device provided in this embodiment includes a first positioning member and a second positioning member. The first positioning member has a first recess. When the positioning device is installed, the first recess is engaged with the mounting end of the right wiper arm. The first positioning member and the second positioning member are engaged with the lower decorative panel of the windshield on the inner surface of the windshield. In this way, the position of the auxiliary positioning device can be accurately positioned. The first positioning member and the second positioning member are further limited by the second recess and the third recess. After the first positioning member and the second positioning member are accurately positioned, the left wiper arm and the right wiper arm can be positioned separately by the first limiting groove and the second limiting groove. This can accurately ensure the positioning of the wipers.

[0063] Example 2

[0064] This embodiment provides a method for auxiliary positioning of a windshield wiper arm in a passenger vehicle, employing the auxiliary positioning device for a windshield wiper arm in Embodiment 1, with reference to... Figure 3 , Figure 4 As shown, it includes the following content:

[0065] A first positioning component 1 and a second positioning component 2 are manufactured. The first positioning component and the second positioning component are connected by a connector. The first positioning component is provided with a first recess 1-2 and a first limiting groove 1-1, and the second positioning component is provided with a second limiting groove 2-2.

[0066] After the windshield and the lower trim panel are assembled, the workers pre-install the left and right wiper arms on the corresponding motor output shafts and make preliminary adjustments to the setting angles of the left wiper arm 6 and the right wiper arm 7.

[0067] A first positioning component is placed on the surface of the lower trim panel of the windshield. The first recess 1-2 of the first positioning component engages with the mounting end of the right wiper arm 7, thus defining the position of the first positioning component. Since the first positioning component 1 and the second positioning component 2 are connected, the position of the second positioning component 2 is thus defined.

[0068] Adjust the setting angles of the left and right wiper arms according to the positions of the first and second limiting grooves until a section of the left wiper arm is engaged in the first limiting groove and a section of the right wiper arm is engaged in the second limiting groove.

[0069] Tighten the left and right wiper arms. After tightening, move the windshield wiper arm auxiliary positioning device away from the windshield to remove it.

[0070] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. An auxiliary positioning device for a windshield wiper arm of a passenger vehicle, characterized in that, The device includes a first positioning component and a second positioning component, which are spaced apart. The first and second positioning components are connected by a connector. The inner surfaces of the first and second positioning components facing the windshield are respectively engaged with the lower trim panel of the windshield. The inner surface of the first positioning component facing the windshield is provided with a first limiting groove to limit the installation direction of the left wiper arm. The side of the first positioning component facing the second positioning component is provided with a first recess, which can engage with the installation end of the right wiper arm to position the first positioning component. The inner surface of the second positioning component facing the windshield is provided with a second limiting groove to limit the installation direction of the right wiper arm. The first positioning member is provided with a first slot facing the inner surface of the windshield. The first slot can engage with the side of the lower decorative panel of the windshield near the windshield. The first slot is located inside the first limiting groove. The first limiting groove is bent to match the shape of the left wiper arm at the first limiting groove; The first recess is an arc-shaped recess, which is bent into an L-shape so that when the first positioning member is engaged with the mounting end of the right wiper arm, the position of the first positioning member can be positioned in the X and Y directions. The first positioning member is also provided with a second recess on the inner surface facing the windshield. The second recess is located on one side of the first recess, and the shape of the second recess fits the surface of the lower windshield trim panel.

2. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 1, characterized in that, The inner surfaces of the first and second positioning members facing the windshield extend across the windshield trim panel and are abutted against the side of the windshield near the lower trim panel. The first limiting groove and the second limiting groove have different shapes.

3. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 1, characterized in that, The distance between the first positioning component and the second positioning component is less than the projected length of the right wiper arm connected to its mounting end in the lateral direction, and the distance between the first positioning component and the second positioning component is greater than 15cm.

4. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 1, characterized in that, The second positioning member has a second slot on the inner surface of the windshield, which can engage with the side of the lower trim panel near the windshield. The second slot is located outside the second limiting groove.

5. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 4, characterized in that, The second positioning member also has a third recess on its inner surface facing the windshield. The third recess is located on one side of the second limiting groove and fits against the surface of the lower decorative panel of the windshield.

6. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 1, characterized in that, From the side closest to the first positioning member to the other side of the second positioning member, the width of the second limiting groove gradually decreases, and the tilt angle of the second limiting groove relative to the connecting member is consistent with the tilt angle of the right wiper arm in the second limiting groove.

7. The auxiliary positioning device for a windshield wiper arm of a passenger vehicle according to claim 1, characterized in that, The length of the first positioning element is greater than the length of the second positioning element; The connector is a connecting rod, and the first positioning component and the second positioning component are perpendicularly connected to the connecting rod.

8. A method for auxiliary positioning of a windshield wiper arm in a passenger vehicle, characterized in that, A windshield wiper arm auxiliary positioning device for passenger vehicles according to any one of claims 1-7, comprising the following components: A first positioning component and a second positioning component are manufactured. The first positioning component and the second positioning component are connected by a connector. The first positioning component is provided with a first recess and a first limiting groove, and the second positioning component is provided with a second limiting groove. After the windshield and the lower trim panel are assembled, the workers pre-install the left and right wiper arms on the corresponding motor output shafts and make preliminary adjustments to the setting angles of the left and right wiper arms. A first positioning component is placed on the surface of the lower trim panel of the windshield. The first recess of the first positioning component engages with the mounting end of the right wiper arm, thus defining the position of the first positioning component. Since the first positioning component and the second positioning component are connected, the position of the second positioning component is defined. Adjust the setting angles of the left and right wiper arms according to the positions of the first and second limiting grooves until a section of the left wiper arm is engaged in the first limiting groove and a section of the right wiper arm is engaged in the second limiting groove. Tighten the left and right wiper arms. After tightening, move the windshield wiper arm auxiliary positioning device away from the windshield to remove it.

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