A rearview mirror bend tester and method

Abstract

The application discloses a rearview mirror bending tester and method, a base is located on a test platform, a base and a supporting flat plate are located on the top of the base, the front ends of the base and the supporting flat plate are extended from the edge of the test platform and are provided with L-shaped rearview mirror screwing plates, a screw rod is fixedly connected with a vertical surface of the rearview mirror screwing plate, a first fixing disc and a second fixing disc parallel to the vertical surface are threadedly connected with the screw rod; the supporting flat plate is located on the side of the rearview mirror screwing plate, the front end of the supporting flat plate is provided with a rearview mirror supporting frame; the rear end of a mirror surface pressing plate is connected with the base, the bottom of the front end of the mirror surface pressing plate is provided with a first pressing block; an L-shaped mirror surface pressing plate is arranged on the side of the front end of the mirror surface pressing plate, the bottom of the horizontal surface of the L-shaped mirror surface pressing plate is provided with a second pressing block; the rearview mirror supporting frame is located below and between the first pressing block and the second pressing block, the top end of a load-bearing rod is connected with the vertical surface of the L-shaped mirror surface pressing plate downwards, and a chuck is fixed on the load-bearing rod. The rearview mirror is kept stable during the test, and the reliability of the test result is ensured.

Description

Technical Field

[0001] This invention belongs to the field of motorcycle rearview mirror testing, and relates to a rearview mirror bending tester and method. Background Technology

[0002] Before entering the market, motorcycle rearview mirrors need to undergo relevant performance tests. The bending performance of the rearview mirror is one of the testing items in the motorcycle rearview mirror standard GB17352-2010. The standard stipulates that the rearview mirror is placed horizontally on a test bench, with the end closest to the adjustment mechanism fixed. A test load of 25 kg is applied to the other end, furthest from the adjustment mechanism, and held for one minute. The rearview mirror and its surface are then observed for cracks. Because the bending device in the standard is relatively simple, the rearview mirror is prone to slipping and difficult to fix during the test, leading to poor reliability of the test results. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a rearview mirror bending tester and method that keeps the rearview mirror stable during the test and ensures the reliability of the test results.

[0004] To achieve the above objectives, the present invention employs the following technical solution:

[0005] A rearview mirror bending tester includes a test platform, a base, a base, a support plate, a mirror pressure plate, and a chuck;

[0006] The base is located on the test platform, and the base and the support plate are located on the top of the base. The front ends of the base and the support plate extend from the edge of the test platform. An L-shaped rearview mirror tightening plate is provided at the front end of the base. A screw is fixedly connected to the vertical surface of the rearview mirror tightening plate. A first fixing plate and a second fixing plate parallel to the vertical surface are threaded onto the screw.

[0007] The support plate is located to the side of the rearview mirror tightening plate, and the front end of the support plate is equipped with a rearview mirror support bracket;

[0008] The rear end of the mirror pressure plate is connected to the base, and the bottom of the front end of the mirror pressure plate is provided with a first pressure block; an L-shaped mirror pressure plate is provided on the side of the front end of the mirror pressure plate, and a second pressure block is provided at the bottom of the horizontal plane of the L-shaped mirror pressure plate; the rearview mirror support frame is located below the first and second pressure blocks and between the two, and the top of the load-bearing rod is connected to the vertical surface of the L-shaped mirror pressure plate, and the chuck is fixed on the load-bearing rod.

[0009] Preferably, both the base and the support plate are provided with elongated through holes in the front-to-back direction, and the base is provided with T-shaped through slots in the left-to-right direction. The bottom width of the through slot is greater than the top width, and multiple nuts are provided at the bottom of the through slot. Multiple bolts are respectively passed through the elongated through holes on the base and the support plate and connected to the multiple nuts respectively.

[0010] Preferably, a vertical threaded groove rod is arranged on the base, a support disc is threadedly connected to the threaded groove rod, a support sleeve is arranged on the support disc, and the support sleeve is connected to the rear end of the mirror surface pressing plate.

[0011] Preferably, an arc-shaped groove is arranged on the side of the first fixing disc facing the second fixing disc, and a rhombic pattern is arranged in the arc-shaped groove.

[0012] Preferably, the chuck comprises a first chuck and a second chuck coaxially arranged on the load-bearing rod, the bottom of the load-bearing rod is connected to the output end of a first air cylinder, the bottom of the second chuck is connected to the output ends of a second air cylinder and a third air cylinder, and the output directions of the first air cylinder, the second air cylinder and the third air cylinder are vertical directions.

[0013] Preferably, an arc-shaped plate is arranged on the vertical face of the L-shaped mirror surface pressing plate, the arc-shaped plate is located directly below the horizontal face of the L-shaped mirror surface pressing plate, and the top end of the load-bearing rod is connected to the arc-shaped plate.

[0014] Preferably, the lengths of the first pressing block and the second pressing block are greater than or equal to the width of the rearview mirror, and the width is 15 mm.

[0015] Preferably, one end of a threaded rod is connected to the bottom of the rearview mirror support frame, and the other end of the threaded rod penetrates through the front end of the support flat plate and is threadedly connected to the support flat plate.

[0016] A rearview mirror bending test method based on the test instrument is provided, the support of the rearview mirror to be tested is placed between the first fixing disc and the second fixing disc, the second fixing disc is rotated to move the first fixing disc and the second fixing disc close to each other until the support of the rearview mirror to be tested is clamped firmly, the bottom of the rearview mirror to be tested is placed on the top of the rearview mirror support frame, the first pressing block and the second pressing block are placed on both sides of the top of the rearview mirror to be tested, a 25 kg weight disc is placed in the chuck, and the test is completed after waiting for one minute, the rearview mirror to be tested is removed, if the rearview mirror to be tested is intact, the product is qualified, and if the rearview mirror to be tested and the mirror surface are broken, the product is unqualified.

[0017] Preferably, when the weight disc is placed, a 3 kg weight disc is placed on the first chuck, a 22 kg weight disc is placed on the second chuck, the first air cylinder, the second air cylinder and the third air cylinder are opened, the load-bearing rod is driven to move upward, the second pressing block is moved away from the top surface of the rearview mirror to be tested, the first air cylinder is closed, the 3 kg weight disc is loaded onto the rearview mirror to be tested, preloading confirmation is performed, after the preloading confirmation of the 3 kg weight disc is correct, the second air cylinder and the third air cylinder are closed, and the 22 kg weight disc is loaded onto the rearview mirror to be tested.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The rearview mirror is fixed in four parts through the rearview mirror support frame, the first pressing block, the second pressing block, the first fixing disc and the second fixing disc, the stability of the rearview mirror in the test process is ensured, the problems of slipping or unstable fixing are avoided, and the reliability of the test result is ensured.

[0020] Further, the base and the support plate can move forward and backward and left and right on the base through the bolt and the nut passing through the through groove and the long strip-shaped through hole, so that the positions of the rearview mirror support frame, the rearview mirror tightening plate and the first pressing block can be conveniently adjusted, and the rearview mirror of different sizes can be conveniently installed.

[0021] Further, the height of the support disc on the threaded groove rod is adjusted to ensure that the first pressing block is in firm contact with the rearview mirror.

[0022] Further, the arc-shaped recess with the diamond pattern can ensure that the rearview mirror support frame is firmly clamped.

[0023] Further, the first chuck and the second chuck can be used to place weight discs of different weights, the small weight disc is used for preloading to determine the test position, and the large weight disc is used for secondary loading, so that test failure caused by incorrect application of the 25kg weight disc is effectively avoided.

[0024] Further, the top end of the bearing rod is connected with the arc-shaped plate, so that the loading direction of the second pressing block is vertical and will not be deviated.

[0025] Further, the height of the rearview mirror support frame is adjusted by adjusting the positions of the threaded rod and the support plate, so that the rearview mirror of different sizes can be conveniently installed and firmly supported. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the rearview mirror bending tester of the present application;

[0027] Figure 2 It is a top view of the rearview mirror bending tester of the present application;

[0028] Figure 3 It is an enlarged view of A of the rearview mirror bending tester of the present application; Figure 2

[0029] Figure 4 It is a left view of the rearview mirror bending tester of the present application;

[0030] Figure 5 It is an enlarged view of B of the rearview mirror bending tester of the present application; Figure 4

[0031] Figure 6 It is an enlarged view of C of the rearview mirror bending tester of the present application; Figure 4

[0032] ​​​Figure 7 is a front view of the rearview mirror bending tester of the present application;

[0033] Figure 8 is a front view of the rearview mirror bending tester of the present application; Figure 7 is an enlarged view of D of the rearview mirror bending tester of the present application;

[0034] Figure 9 is a front view of the rearview mirror bending tester of the present application; Figure 7 is an enlarged view of E of the rearview mirror bending tester of the present application.

[0035] Wherein: 1-base; 2-rearview mirror screwing plate; 3-rearview mirror support frame; 4-3kg weight disc; 5-22kg weight disc; 101-base; 102-threaded slot rod; 103-support disc; 104-support sleeve; 105-mirror surface pressing plate; 106-first pressing block; 201-first fixed disc; 202-second fixed disc; 203-circular arc groove; 301-supporting flat plate; 302-track slider; 401-bearing rod; 402-first chuck; 403-second chuck; 404-first air cylinder; 405-second air cylinder; 406-third air cylinder; 407-pulley base; 408-L-shaped mirror surface pressing plate; 409-arc-shaped plate; 410-second pressing block. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application; based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0037] It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing the specific embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0039] As shown in Figure 1 The rearview mirror bending tester of the present application comprises a base 1, a rearview mirror screwing plate 2, a rearview mirror support frame 3 and a supporting flat plate 301.

[0040] As shown in Figure 2As shown, the base 1 is placed on the edge of the test platform, the base 1 protrudes from the edge of the test platform in a trapezoidal shape, a T-shaped through slot is arranged on the base 1 in the left-right direction, the bottom width of the through slot is greater than the top width, and a plurality of nuts are arranged at the bottom of the through slot. The outer diameter of the nut is greater than the top width and less than the bottom width, and the inner diameter is less than the top width.

[0041] The front end of the base 1 extends from the edge of the test platform, and the front end of the base 1 is provided with an L-shaped rearview mirror tightening plate 2. The rearview mirror tightening plate 2 is fixedly connected with a screw rod in the vertical plane, and the screw rod is threadedly connected with a first fixed disc 201 and a second fixed disc 202 parallel to the vertical plane. The end surface of the first fixed disc 201 is fixedly connected with the vertical plane.

[0042] As shown in the drawings, Figure 3 The opposite surfaces of the first fixed disc 201 and the second fixed disc 202 are provided with clamping blocks, the clamping blocks are nested on the screw rod, the end surface of the clamping block of the first fixed disc 201 is provided with a circular arc groove 203, and a rhombic pattern is arranged in the circular arc groove 203.

[0043] The base 101 and the support plate 301 are located on the top of the base 1, and a long hole is arranged on the base 101 and the support plate 301 in the front-rear direction. A plurality of bolts are arranged to pass through the long hole on the base 101 and the support plate 301 respectively and are connected with a plurality of nuts respectively. The part of the bolt above the base 101 and the support plate 301 is threadedly connected with a fixed bolt, so that the base 101 and the support plate 301 can move forward and backward and left and right on the base 1.

[0044] As shown in the drawings, Figure 7 As shown in the drawings, Figure 8 A support disc 103 is threadedly connected to the threaded groove rod 102, a support sleeve 104 is arranged on the support disc 103, and the rear end of the mirror surface pressing plate 15 is connected to the support sleeve 104.

[0045] The support plate 301 is located on the side of the rearview mirror tightening plate 2, and the front end of the support plate 301 is provided with a rearview mirror support frame 3. An arc-shaped groove is arranged on the top of the rearview mirror support frame 3. Figure 6 As shown in the drawings, The other end of the threaded rod is connected to the bottom of the rearview mirror support frame 3, and the other end of the threaded rod penetrates the front end of the track slider 302 and is threadedly connected with the track slider 302.

[0046] As shown in the drawings, Figure 5 The front end of the mirror surface pressing plate 105 is provided with a first pressing block 106, and the side of the front end of the mirror surface pressing plate 105 is provided with an L-shaped mirror surface pressing plate 408. The horizontal bottom of the L-shaped mirror surface pressing plate 408 is provided with a second pressing block 410. The rearview mirror support frame 3 is located below and between the first pressing block 106 and the second pressing block 410.

[0047] The L-shaped mirror surface pressing plate 408 is provided with an arc-shaped plate 409 on the vertical surface, the arc-shaped plate 409 is connected with the top end of a bearing rod 401 downward, the bearing rod 401 is located in the same vertical direction with the second pressing block 410, and the chuck is fixed on the bearing rod 401.

[0048] The first pressing block 106 and the second pressing block 410 are greater than or equal to the width of the mirror, and the width is 15 mm.

[0049] As shown in Figure 4 and As shown in Figure 9 The chuck comprises a first chuck 402 and a second chuck 403 coaxially arranged on the bearing rod 401, the first chuck 402 is used for placing a 3kg weight disc 4, the second chuck 403 is used for placing a 22kg weight disc 5, the 3kg weight disc 4 and the 22kg weight disc 5 are both provided with grooves and are gap-fitted with the bearing rod 401. The bottom of the bearing rod 401 is connected with the output end of a first air cylinder 404, the bottom of the second chuck 403 is connected with the output ends of a second air cylinder 405 and a third air cylinder 406, the output directions of the first air cylinder 404, the second air cylinder 405 and the third air cylinder 406 are vertical directions, and the first air cylinder 404, the second air cylinder 405 and the third air cylinder 406 are all arranged on a pulley base 407, and the pulley base 407 is provided with four universal wheels and can move in any direction.

[0050] The process of the rearview mirror bending test by using the above rearview mirror bending tester is as follows:

[0051] Step one, clamping the rearview mirror support.

[0052] According to the mirror body structure of the to-be-tested motorcycle rearview mirror and the length of the rearview mirror support, the tightening and clamping position of the rearview mirror tightening plate 2 is determined, and the first fixing disc 201 and the second fixing disc 202 are moved for fixing.

[0053] The specific operation process of clamping the rearview mirror support is as follows: loosen the second fixing disc 22, place the to-be-tested rearview mirror support in the middle of the first fixing disc 201 and the second fixing disc 22, with the rearview mirror surface upward, place the rearview mirror support in the arc-shaped groove 203 of the first fixing disc 201, and then tighten the second fixing disc 22 to pre-fix the rearview mirror support by using the tightening pressure of the two fixing discs.

[0054] Step two, installation and adjustment of the base 101.

[0055] According to the tightened mirror surface structure of the to-be-tested motorcycle rearview mirror, the installation position and layout position of the base 101 are determined, after confirming the positions of the mirror surface pressing plate 105 on the threaded groove rod 102 and the mirror surface near the support end of the rearview mirror through the relative sliding of the base 101 and the base 1, the base 101 and the base 1 are fixed by tightening the fixing bolts.

[0056] Step three, support disc 103, support sleeve 104 installation and adjustment on the threaded slot rod 102.

[0057] The support disc 103 is installed outside the threaded slot rod 102 by threading, the support sleeve 104 is placed outside the threaded slot rod 102 and on the support disc 103, the support disc 103 is manually rotated to move, and the support sleeve 104 is moved up and down. According to the distance of the motorcycle rearview mirror to be tested, move up and down. After confirming that the mirror plate 105 is above the rearview mirror, rotate the support disc 103 in the opposite direction, and place the first pressing block 106 on the rearview mirror.

[0058] Step four, installation and adjustment of support plate 301.

[0059] The support plate 301 is placed on the base 1, and the position is adjusted horizontally relative to the base 1, and when the rearview mirror support frame 3 is located below the middle of the rearview mirror body to be tested, the fixing screw is tightened to fix the support plate 301 and the base 1.

[0060] Step five, accurate test of the motorcycle rearview mirror to be tested.

[0061] Place a small bubble level on the rearview mirror, adjust the track slider 302 left and right to confirm the position of the rearview mirror support frame 3, and when the rearview mirror support frame 3 is located below the rearview mirror to be tested, adjust the height of the rearview mirror support frame 3 through the threaded rod, place the top arc-shaped groove of the rearview mirror support frame 3 below the middle of the rearview mirror body to support, and observe that the bubble level is in a horizontal state to ensure that the rearview mirror is horizontal.

[0062] Step six, installation and adjustment of the weight disc.

[0063] Place the 3kg weight disc 4 on the first chuck 402 plane. Place the 22kg weight disc 5 on the second chuck 403 plane. Turn on the first air cylinder 404, the second air cylinder 405 and the third air cylinder 406 switch. Push the load rod 401 vertically upward by the air cylinder piston. Move the universal wheel, place the L-shaped mirror plate 408 on the rearview mirror, and align the second pressing block 410 with the edge of the rearview mirror. Turn off the first air cylinder 404, load the 3kg weight disc 4 on the rearview mirror, and perform preloading confirmation.

[0064] Step seven, test.

[0065] 3kg weight disc 4 is confirmed to be preloaded correctly, the second cylinder 405 and the third cylinder 406 solenoid valve are closed, the 22kg weight disc 5 is loaded to the rearview mirror mirror surface, the total weight is 25kg, when the weight is loaded to the rearview mirror mirror surface, the electronic stopwatch is used to time for 1 minute. After the test is completed, the weight is removed, the tested rearview mirror is removed, if the tested rearview mirror is intact, the product is qualified, if the tested rearview mirror and the mirror surface are broken and any one side length of the broken mirror is greater than 2.5mm, the product is unqualified.

[0066] It should be noted that the relational terms herein, such as first and second, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0067] It is to be understood that the above description is intended to be illustrative and not restrictive. Many embodiments and applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the technology should be determined, not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated by reference for the entire scope thereof in the present disclosure. The omission of any aspect of the subject matter disclosed herein does not preclude coverage of such aspect, nor does it surrender the applicability of such aspect to the inventor's application.

Claims

1. A rearview mirror bend tester characterized by, It includes test platform, base (1), base (101), support plate (301), mirror surface pressing plate (105) and chuck; The base (1) is located on the test platform, the base (101) and the support plate (301) are located on the top of the base (1) together, the front ends of the base (1) and the support plate (301) are extended from the edge of the test platform, the rearview mirror screw plate (2) is provided on the front end of the base (1), the vertical surface of the rearview mirror screw plate (2) is fixedly connected with the screw rod, the first fixed disc (201) and the second fixed disc (202) which are parallel to the vertical surface are threadedly connected on the screw rod; The support plate (301) is located on the side of the rearview mirror screw plate (2), and the rearview mirror support frame (3) is provided on the front end of the support plate (301); The mirror surface pressing plate (105) is connected with the base (101) at the rear end, and the first pressing block (106) is arranged on the bottom of the front end of the mirror surface pressing plate (105); the L-shaped mirror surface pressing plate (408) is arranged on the side of the front end of the mirror surface pressing plate (105), and the second pressing block (410) is arranged on the bottom of the horizontal surface of the L-shaped mirror surface pressing plate (408); the rearview mirror support frame (3) is located below and between the first pressing block (106) and the second pressing block (410), and the vertical surface of the L-shaped mirror surface pressing plate (408) downwardly connects with the top end of the bearing rod (401), and the chuck is fixed on the bearing rod (401); The base (101) and the support plate (301) are provided with long strip-shaped through holes in the front-rear direction, and the base (1) is provided with a T-shaped through slot in the left-right direction, the width of the bottom of the through slot is greater than the width of the top, a plurality of nuts are arranged on the bottom of the through slot, and a plurality of bolts are used to pass through the long strip-shaped through holes on the base (101) and the support plate (301) and be connected with the plurality of nuts respectively; The chuck comprises a first chuck (402) and a second chuck (403) which are coaxially arranged on the bearing rod (401), the bottom of the bearing rod (401) is connected with the output end of the first air cylinder (404), the bottom of the second chuck (403) is connected with the output ends of the second air cylinder (405) and the third air cylinder (406), and the output directions of the first air cylinder (404), the second air cylinder (405) and the third air cylinder (406) are vertical directions; the first air cylinder (404), the second air cylinder (405) and the third air cylinder (406) are arranged on the pulley base (407), and the pulley base (407) is provided with four universal wheels; The base (101) is provided with a vertical threaded slot rod (102), the threaded slot rod (102) is threadedly connected with the support disc (103), the support disc (103) is provided with the support sleeve (104), and the support sleeve (104) is connected with the rear end of the mirror surface pressing plate (105); The front end of the support plate (301) is slidably connected with the track slider (302), one end of the threaded rod connected with the bottom of the rearview mirror support frame (3) penetrates through the front end of the track slider (302) and is threadedly connected with the track slider (302).

2. The rearview mirror bend tester of claim 1, wherein, The first fixed disc (201) is provided with a circular arc groove (203) on the side facing the second fixed disc (202), and the circular arc groove (203) is provided with a rhombic pattern.

3. The rearview mirror bend tester of claim 1, wherein, The L-shaped mirror pressing plate (408) is provided with an arc-shaped plate (409) on the vertical surface, the arc-shaped plate (409) is located directly below the horizontal surface of the L-shaped mirror pressing plate (408), and the top end of the load-bearing rod (401) is connected with the arc-shaped plate (409).

4. The rearview mirror bend tester of claim 1, wherein, The first pressing block (106) and the second pressing block (410) have a length greater than or equal to the width of the rearview mirror and a width of 15 mm.

5. A method of testing a rearview mirror for bending according to any one of claims 1-4, characterized by The support of the rearview mirror to be tested is placed between the first fixed disc (201) and the second fixed disc (202), the second fixed disc (202) is rotated to move the first fixed disc (201) and the second fixed disc (202) close to each other until the support of the rearview mirror to be tested is clamped firmly, the bottom of the rearview mirror to be tested is placed on the top of the rearview mirror support frame (3), the first pressing block (106) and the second pressing block (410) are placed on both sides of the top of the rearview mirror to be tested, the 3kg weight disc (4) is placed on the first chuck (402), the 22kg weight disc (5) is placed on the second chuck (403), the first air cylinder (404), the second air cylinder (405) and the third air cylinder (406) are opened, the load-bearing rod (401) is driven to move upward, the second pressing block (410) is moved away from the top surface of the rearview mirror to be tested, the load-bearing rod (401) is pushed upward vertically by the air cylinder piston, the universal wheel is moved, the L-shaped mirror pressing plate (408) is placed on the mirror surface of the rearview mirror, the second pressing block (410) is aligned with the edge of the mirror surface of the rearview mirror, the first air cylinder (404) is closed, the 3kg weight disc (4) is loaded on the rearview mirror to be tested, preloading is confirmed, after the preloading of the 3kg weight disc (4) is confirmed to be correct, the second air cylinder (405) and the third air cylinder (406) are closed, the 22kg weight disc (5) is loaded on the rearview mirror to be tested, and the test is completed after waiting for one minute, the rearview mirror to be tested is removed, and the test is completed.

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