A test device for simulating the load operation of a wiper blade

Abstract

The application discloses a test device for simulating the load operation of a rain wiper blade, which comprises a connecting piece, a mounting piece and a roller; the connecting piece comprises a vertical plate and a first connecting block, the first connecting block is fixedly connected with the bottom end of the first side surface of the vertical plate; the mounting piece is connected with the second side surface of the vertical plate opposite to the first side surface; the roller is horizontally mounted on the mounting piece and rotationally connected with the mounting piece, and the lowest horizontal surface of the roller is lower than the lowest horizontal surface of the mounting piece. Through the device, the roller is used to replace the rain wiper blade to run on the windshield, and the rolling of the roller on the windshield is favorable to greatly reducing the friction between the roller and the windshield, thereby solving the problems of the shutdown of the rain wiper motor or the abrasion of the windshield in the function test of the rain wiper system.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of device for testing automobile parts, in particular, to a test device for simulating the working of a wiper blade. BACKGROUND

[0002] In the function test of a wiper system, such as low temperature test and electromagnetic compatibility test, the wiper blade needs to be started for test. However, since the windshield cannot be sprayed with cleaning liquid, the wiper blade can only be dry wiped on the windshield, resulting in a very large friction force between the wiper blade and the windshield. In this case, the long-time operation of the wiper blade will cause the wiper motor to continuously heat, thereby activating the thermal protection function of the wiper motor, causing the wiper motor to stop and the test to be interrupted. At the same time, the long-time dry wiping of the wiper blade on the windshield will cause the particles on the rubber strip of the wiper blade to fall off, causing the wiper blade to wear the surface of the windshield.

[0003] INVENTION

[0004] In order to solve the problem of wiper blade causing the wiper motor to stop or wearing the windshield in the function test of the wiper system, the present application provides a test device for simulating the working of a wiper blade, comprising a connecting piece, a mounting piece and a roller. The connecting piece comprises a vertical plate and a first connecting block, the first connecting block is fixedly connected with the bottom end of the first side surface of the vertical plate; the mounting piece is connected with the second side surface opposite to the first side surface of the vertical plate; the roller is horizontally installed on the mounting piece, the roller is rotatably connected with the mounting piece, and the lowest horizontal plane of the roller is lower than the lowest horizontal plane of the mounting piece. Through the above technical solution, the roller is used to replace the wiper blade to run on the windshield, and the rolling of the roller on the windshield is beneficial to greatly reducing the friction force between the roller and the windshield, so that the wiper motor will not generate too much heat under long-time test, and the roller made of rubber material will not wear the windshield when rolling on the windshield, thereby solving the problem of wiper motor stopping or wearing the windshield in the function test of the wiper system.

[0005] Preferably, the connecting piece further comprises a second connecting block, the second connecting block is fixedly connected with the upper part of the second side surface of the vertical plate; a first recess is formed in the top surface of the mounting piece, and the second connecting block is installed in the first recess. Through the above technical solution, the second connecting block and the first recess are provided, and the second connecting block is installed in the first recess, which is beneficial to increasing the connection area of the vertical plate and the mounting piece, thereby improving the stability of the connection between the connecting piece and the mounting piece, so that the device remains stable.

[0006] Preferably, the second connecting block is rotationally connected with the side wall of the first groove. Since the curvature of each area of the windshield surface is inconsistent, the wiper arm will slightly fluctuate up and down during the entire operation process. By the above technical solution, the connection between the connecting block and the first groove is designed as a rotational connection, which is conducive to the rotation of the connecting member relative to the mounting member, thereby adapting to the inconsistent curvature of each area of the windshield surface.

[0007] Preferably, a gap is left between the bottom surface of the second connecting block and the bottom surface of the first groove, a first rotating shaft is arranged on the second connecting block, the first rotating shaft penetrates through the two side walls of the first groove and the second connecting block, the first rotating shaft is inserted into the two side walls of the first groove and rotationally connected with the second connecting block. By the above technical solution, a form of rotational connection between the second connecting block and the first groove is disclosed, and a gap is left between the bottom surface of the second connecting block and the bottom surface of the first groove, so that the second connecting block can rotate slightly on the first rotating shaft to adapt to the inconsistent curvature of each area of the windshield surface.

[0008] Preferably, a first fixing screw is arranged on the top surface of each of the two side walls of the first groove, the first fixing screw is arranged in the side wall of the first groove, the first fixing screw is threadedly connected with the side wall, and the bottom end of the first fixing screw is in close abutment with the first rotating shaft. By the above technical solution, the first fixing screw is arranged on the top surface of each of the two side walls of the first groove, and the bottom end of the first fixing screw is in close abutment with the first rotating shaft, so that the tightness of the connection between the first rotating shaft and the first groove is increased, thereby preventing the first rotating shaft from falling off the first groove and improving the stability of the device.

[0009] Preferably, the connecting member further comprises a fixing block, the fixing block is fixedly arranged on the first side surface of the vertical plate, and the fixing block is located directly above the first connecting block; a fixing screw is arranged in the fixing block, the fixing screw is threadedly connected with the fixing block, and the bottom end of the fixing screw is in abutment with the top surface of the first connecting block. By the above technical solution, during the test process, the wiper arm is connected to the first connecting block, and the fixing screw is installed, so that the bottom end of the fixing screw is in abutment with the wiper arm, thereby improving the stability of the connection between the wiper arm and the first connecting block and preventing the wiper arm from falling off the first connecting block during the test process.

[0010] Preferably, a fixing nut is arranged on the fixing screw, the fixing nut is matched with the fixing screw, and the top surface of the fixing nut is in abutment with the bottom surface of the fixing block. By the above technical solution, the position of the fixing screw can be fixed by arranging the fixing nut on the fixing screw, thereby preventing the connection between the fixing screw and the fixing block from loosening and further improving the stability of the device.

[0011] Preferably, a second groove is formed in the bottom surface of the mounting piece, a second rotating shaft is arranged between the two side walls of the second groove, the two ends of the second rotating shaft are respectively inserted into the two side walls of the second groove, the roller is located in the second groove, the roller is sleeved on the second rotating shaft, and the roller is rotationally connected with the second rotating shaft. Through the above technical scheme, a mode that the roller is rotationally connected with the mounting piece is disclosed, the second rotating shaft is fixedly connected with the two side walls of the second groove, the roller rotates on the second rotating shaft, the wiper arm drives the mounting piece to move by driving the connecting piece, and the roller rolls on the windshield glass during movement of the mounting piece, replacing the function of the wiper blade.

[0012] Preferably, the second groove is formed in the bottom surface of the mounting piece, a second rotating shaft is arranged between the two side walls of the second groove, the two ends of the second rotating shaft are respectively inserted into the two side walls of the second groove, the roller is located in the second groove, the roller is sleeved on the second rotating shaft, and the roller is rotationally connected with the second rotating shaft. Through the above technical scheme, a mode that the roller is rotationally connected with the mounting piece is disclosed, the second rotating shaft is fixedly connected with the two side walls of the second groove, the roller rotates on the second rotating shaft, the wiper arm drives the mounting piece to move by driving the connecting piece, and the roller rolls on the windshield glass during movement of the mounting piece, replacing the function of the wiper blade.

[0013] Preferably, the first connecting block is provided with a receiving hole. Through the above technical scheme, when the device of the application does not need to participate in the test, a rope can be hung in a specific place by passing through the receiving hole, and the receiving hole is arranged, which is beneficial to the storage and protection of the device.

[0014] The test device for simulating the load operation of a wiper blade has the following beneficial effects:

[0015] (1) By arranging the connecting piece, the mounting piece and the roller, the roller is used to replace the wiper blade to walk on the windshield glass, and the friction between the wiper blade and the windshield glass is greatly reduced, thereby solving the problem that the wiper motor stops or the windshield glass is abraded during the function test of the wiper system.

[0016] (2) By leaving a gap between the bottom surface of the second connecting block and the bottom surface of the first groove, the second connecting block can rotate relative to the second groove within a small range, so as to adapt to the surface of each area with inconsistent windshield glass curvature.

[0017] (3) By arranging the first fixing screw, the second fixing screw, the fixing screw rod and the fixing nut, the stability of the connection between the first rotating shaft and the first groove, the stability of the connection between the second rotating shaft and the second groove, the stability of the connection between the wiper arm and the first connecting block, and the stability of the connection between the fixing screw rod and the fixing block can be increased respectively, so as to increase the stability of the device and improve the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0018] For a better understanding of the above-described and other objects, features, and advantages of the present application, reference should be made to the following implementation, which is illustrated in the accompanying drawings. The same reference numerals in different drawings denote the same or similar components. It is to be understood that the figures are schematically illustrate the preferred embodiments of the present application and, therefore, are not to be construed as limiting the scope of the present application, and that each of the illustrated components can not be drawn to scale.

[0019] Figure 1 Fig. 1 shows a structural schematic diagram of a test device for simulating the load working of a wiper blade according to an embodiment of the present application;

[0020] Figure 2 Fig. 2 shows an exploded view of a test device for simulating the load working of a wiper blade according to an embodiment of the present application.

[0021] Legend of reference signs:

[0022] 1, connecting piece; 11, vertical plate; 12, first connecting block; 13, second connecting block; 14, fixed block; 2, mounting piece; 21, first recess; 22, second recess; 3, roller; 4, first rotating shaft; 5, second rotating shaft; 6, fixed screw; 61, fixed nut; 7, first fixed screw; 8, second fixed screw; 9, receiving hole. DETAILED DESCRIPTION

[0023] Exemplary embodiments of the present disclosure are described herein with reference to the accompanying drawings, which are shown by way of illustration. The drawings and description are in accordance with various embodiments of the disclosure, which are to be considered for purposes of explanation only and are not intended to limit the scope of the disclosure. As such, one skilled in the art will recognize that the embodiments described herein can be practiced with various modifications and alterations, and that the disclosure should not be interpreted as being limited to the specific embodiments described herein.

[0024] The term "comprising" and variations thereof as used herein are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Unless otherwise specified, the term "or" as used herein is intended to mean "and / or", i.e., to include any or all possible combinations of the associated items. The term "based on" is intended to mean "based, at least in part, on" unless otherwise indicated. The terms "one example embodiment" and "an embodiment" are intended to mean "at least one example embodiment." The term "another embodiment" is intended to mean "at least one additional embodiment." The terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to designate different or identical objects. Other explicit or implicit definitions can also be included below.

[0025] To at least partially solve one or more of the above problems and other potential problems, one embodiment of the present disclosure proposes a test device for simulating the load operation of a rain blade strip, comprising a connecting piece 1, a mounting piece 2 and a roller 3; the connecting piece 1 comprises a vertical plate 11 and a first connecting block 12, the first connecting block 12 is fixedly connected with the bottom end of the first side surface of the vertical plate 11; the mounting piece 2 is connected with the second side surface of the vertical plate 11 opposite to the first side surface; the roller 3 is horizontally installed on the mounting piece 2, the roller 3 is rotationally connected with the mounting piece 2, and the lowest horizontal plane of the roller 3 is lower than the lowest horizontal plane of the mounting piece 2.

[0026] Specifically, as shown in Figure 1 and Figure 2 , the vertical plate 11 is a vertically arranged rectangular plate, the first connecting block 12 is a rectangular block, and the extension direction of the first connecting block 12 is perpendicular to the extension direction of the vertical plate 11; an accommodation hole penetrating through the first connecting block 12 is formed at the end of the first connecting block 12 away from the vertical plate 11, so that the device of the present application is more convenient to accommodate; a through hole is formed in the middle part of the first connecting block 12, which is beneficial to reduce the overall weight of the device of the present application; when the device is needed for testing, the first connecting block 12 is placed in the groove of the wiper arm, so that the inner surface of the wiper arm abuts against the first connecting block 12, and the pawl on the wiper arm abuts against the bottom surface of the first connecting block 12. In some embodiments, the connecting piece 1 further comprises a fixing block 14, the fixing block 14 is a rectangular block, the fixing block 14 is fixedly arranged on the first side surface of the vertical plate 11, the fixing block 14 is located directly above the first connecting block 12, and the extension direction of the fixing block 14 is the same as that of the first connecting block 12; a vertically arranged fixing screw 6 is threaded through the fixing block 14, the fixing screw 6 is threadedly connected with the fixing block 14, the bottom end of the fixing screw 6 abuts against the top surface of the wiper arm, and the stability of the connection between the wiper arm and the first connecting block 12 is increased. In other embodiments, a fixing nut 61 is sleeved on the fixing screw 6, the fixing nut 61 is matched with the fixing screw 6, the top surface of the fixing nut 61 abuts against the bottom surface of the fixing block 14, the stability of the connection between the fixing screw 6 and the fixing block 14 is increased, and the tightness of the connection between the fixing screw 6 and the wiper arm is further improved.

[0027] In some embodiments, as shown in Figure 2As shown, the connecting piece 1 further comprises a second connecting block 13, which is a rectangular block, the extending direction of the second connecting block 13 is perpendicular to the extending direction of the vertical plate 11, and the second connecting block 13 is fixedly connected with the upper part of the second side of the vertical plate 11; the top surface of the mounting piece 2 is provided with a first recess 21, the extending direction of the first recess 21 is the same as the extending direction of the first connecting block 12, the size of the first recess 21 matches the size of the second connecting block 13, and the second connecting block 13 is fixedly or rotatably installed in the first recess 21. In other embodiments, a gap is left between the bottom surface of the second connecting block 13 and the bottom surface of the first recess 21, a first rotating shaft 4 is arranged on the second connecting block 13, the axial direction of the first rotating shaft 4 is the same as the extending direction of the first recess 21, the first rotating shaft 4 penetrates through the two side walls of the first recess 21 and the second connecting block 13 at the same time, the first rotating shaft 4 is inserted into the two side walls of the first recess 21 and is rotatably connected with the second connecting block 13, so as to adapt to the surface of each area with inconsistent curvature of the windshield glass.

[0028] In some embodiments, as shown in Figure 2 As shown, the top surface of the two side walls of the first recess 21 is provided with a vertical first fixing screw 7, the first fixing screw 7 is arranged in the side wall of the first recess 21, the first fixing screw 7 is threadedly connected with the side wall, and the bottom end of the first fixing screw 7 is in close abutment with the first rotating shaft 4, which is conducive to the stability of the connection between the first rotating shaft 4 and the side wall of the first recess 21.

[0029] In some embodiments, as shown in Figure 2 As shown, the bottom surface of the mounting piece 2 is provided with a second recess 22, the extending direction of the second recess 22 is perpendicular to the extending direction of the first recess 21, a second rotating shaft 5 is arranged between the two side walls of the second recess 22, the axial direction of the second rotating shaft 5 is perpendicular to the extending direction of the second recess 22, the two ends of the axial direction of the second rotating shaft 5 are respectively inserted into the two side walls of the second recess 22, the roller 3 is located in the second recess 22, the inner diameter of the roller 3 matches the diameter of the second rotating shaft 5, the roller 3 is sleeved on the second rotating shaft 5, and the roller 3 is rotatably connected with the second rotating shaft 5. In other embodiments, the two side walls of the second recess 22 are provided with a vertical second fixing screw 8, the second fixing screw 8 is arranged in the side wall of the second recess 22, the second fixing screw 8 is threadedly connected with the side wall, and the bottom end of the second fixing screw 8 is in close abutment with the second rotating shaft 5, which is conducive to the stability of the connection between the second rotating shaft 5 and the side wall of the second recess 22.

[0030] Having described various embodiments of the disclosure above, the descriptions are not exhaustive and are not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art. The selection of terms to be used in the description is intended to best explain the principles of the embodiments, practical application, or technical improvement over the prior art, or to enable other skilled persons in the art to understand the present document.

Claims

1. A test apparatus for simulating the operation of windshield wiper blades under load, characterized in that: The device includes a connector (1), a mounting component (2), and a roller (3). The connector (1) includes a vertical plate (11), a first connecting block (12), and a second connecting block (13). The first connecting block (12) is fixedly connected to the bottom end of the first side of the vertical plate (11). When the device is needed for testing, the first connecting block is placed in the groove of the wiper arm, so that the inner surface of the wiper arm abuts against the first connecting block, and the claw on the wiper arm abuts against the bottom surface of the first connecting block. The second connecting block (13) is fixedly connected to the upper part of the second side of the vertical plate (11) opposite to the first side. The mounting component (2) is connected to the second side of the vertical plate (11). A first groove (21) is provided on the top surface of the mounting component (2). The second connecting block (13) is installed in the first groove (21). A gap is left between the bottom surface of the second connecting block (13) and the bottom surface of the first groove (21). A first rotating shaft (4) is provided on the second connecting block (13). The first rotating shaft (4) passes through both side walls of the first groove (21) and the second connecting block (13). The first rotating shaft (4) is inserted into both side walls of the first groove (21) and rotatably connected to the second connecting block (13), so that the second connecting block (13) is rotatably connected to the side wall of the first groove (21). The roller (3) is horizontally installed on the mounting part (2). The roller (3) is rotatably connected to the mounting part (2). The bottom surface of the mounting part (2) is provided with a second groove (22). A second rotating shaft (5) is provided between the two side walls of the second groove (22). The two ends of the second rotating shaft (5) are respectively inserted into the two side walls of the second groove (22). The roller (3) is located in the second groove (22). The roller (3) is sleeved on the second rotating shaft (5). The roller (3) is rotatably connected to the second rotating shaft (5). The lowest horizontal surface of the roller (3) is lower than the lowest horizontal surface of the mounting part (2).

2. The test device for simulating the operation of a wiper blade under load according to claim 1, characterized in that: First fixing screws (7) are provided on the top surfaces of the two side walls of the first groove (21). The first fixing screws (7) are inserted into the side walls of the first groove (21). The first fixing screws (7) are threaded to the side walls. The bottom end of the first fixing screws (7) is in close contact with the first rotating shaft (4).

3. The test apparatus for simulating the operation of wiper blades under load according to claim 1, characterized in that: The connector (1) also includes a fixing block (14), which is fixedly mounted on the first side of the upright plate (11) and is located directly above the first connecting block (12). A fixing screw (6) is threaded through the fixing block (14), and the fixing screw (6) is threadedly connected to the fixing block (14). The bottom end of the fixing screw (6) abuts against the top surface of the first connecting block (12).

4. The test apparatus for simulating windshield wiper blades under load as described in claim 3, characterized in that: A fixing nut (61) is provided on the fixing screw (6). The fixing nut (61) is adapted to the fixing screw (6), and the top surface of the fixing nut (61) abuts against the bottom surface of the fixing block (14).

5. The test apparatus for simulating windshield wiper blades under load as described in claim 1, characterized in that: The second groove (22) is provided with two side walls of the second fixing screw (8). The second fixing screw (8) passes through the side wall of the second groove (22) and is threaded to the side wall. The bottom end of the second fixing screw (8) is in close contact with the second rotating shaft (5).

6. The test apparatus for simulating windshield wiper blade operation under load according to claim 1, characterized in that: The first connecting block (12) has a storage hole (9).

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