Auxiliary device for assembling rear cover of automobile rearview mirror

Abstract

An auxiliary device for assembling a rear cover of an automobile rearview mirror relates to a tool for the automobile rearview mirror and comprises a beam frame, a pressing mechanism, a rearview mirror assembling die groove and a counterweight mechanism, the beam frame comprises an upper cross rod, a middle cross rod, a middle cross rod sliding groove, a middle cross rod rear supporting arm, a limiting cross rod, a rear cross rod and a handle fixing rod, and side columns are arranged on the two sides of the cross rod; the pressing mechanism comprises a left large spring, a right large spring, a left small spring, a right small spring, a pull-down handle, a pressing arm connecting handle, a limiting pulley, a pressing arm and a pressing block, and the counterweight mechanism comprises a first steel cable, a first pulley, a second pulley, a sliding sleeve, a second steel cable, a counterweight block, a third steel cable, a third pulley and a fourth pulley. According to the rearview mirror pressing device, the handle is pressed downwards, the balancing weight and the spring form up-and-down linkage of the pressing mechanism, and the problem that when a rearview mirror is preassembled, fingers of an operator are prone to stiffness and pain due to the fact that the thumb and the index finger are used for pressing the rearview mirror, and then occupational diseases related to joints are caused is solved; and rapid assembly operation is realized.

Description

Technical Field

[0001] The invention discloses an auxiliary device for assembling a rear cover of a car rearview mirror, which is used for assembling car rearview mirrors of different colors and models with rearview mirror covers, and relates to the field of assembly tooling for automobile parts, in particular to a tooling for assembling car rearview mirrors. Background Art

[0002] Automobile rearview mirrors are parts that all cars need to be equipped with. When producing automobile rearview mirrors, since the rearview mirrors vary greatly among car models and there are many types of car body colors, the rearview mirrors and rearview mirror covers are produced separately. The same model of rearview mirrors must be equipped with rearview mirror covers of corresponding colors according to the color of the car body. Therefore, automobile rearview mirrors and rearview mirror covers are supplied separately to automobile manufacturers when they leave the factory, and rearview mirrors of different models and rearview mirror covers of different colors are provided respectively. When automobile manufacturers produce cars, they select the car model and color, and then manually assemble the rearview mirror covers, and then send the assembled rearview mirrors to the production line for final assembly of the car;

[0003] The utility model of CN201220563313.4 discloses a fixture for automobile accessories, which includes a working platform, a supporting platform is arranged on one side of the working platform, a cylindrical positioning pile is arranged on the other side, a countersunk hole is arranged in the positioning pile, two positioning grooves are arranged on the outer edge of the top of the positioning pile, and three positioning grooves are arranged on the inner edge. The advantage of the utility model is that the outer shell of the rearview mirror can be effectively placed on the modified fixture for positioning, and then the required parts are installed by the equipment, which is fast and efficient, and the product quality is improved. Since the form and specifications of the positioning column and the positioning groove are fixed, this design can only be used for the installation of a certain model of rearview mirror when used, and cannot be used for a rearview mirror of another specification.

[0004] According to the tutorial for disassembly and assembly of the rearview mirror housing installed according to the prior art, before installation, first handle the rearview mirror lens, press the head and tail of the lens with your hands, and then press down hard with your hands to install the lens. If the rearview mirror has a heating function, the thread end of the heating plate must also be installed. If not, ignore this step; then assemble the rearview mirror with the installed lens with the rearview mirror cover. Because the rear cover of the car rearview mirror is an arc-shaped structure and is relatively smooth, it requires manual cooperation of the thumbs and index fingers of both hands to complete the assembly. The operating essentials during assembly are different for rearview mirrors of different specifications and models, and it is difficult to have a unified essentials to master. Moreover, pressing with the thumb and index finger for a long time can easily cause the operator's fingers to become stiff and painful, thereby causing joint-related occupational diseases. Utility Model Content

[0005] The utility model aims at solving the defects of the prior art and provides an auxiliary device for assembling the rear cover of a rearview mirror of an automobile.

[0006] An auxiliary device for assembling a rear cover of a rearview mirror of an automobile comprises a beam frame, a pressing mechanism, a rearview mirror assembly mold groove and a counterweight mechanism.

[0007] A. The beam frame includes an upper crossbar, a middle crossbar, a middle crossbar slide, a middle crossbar rear support arm, a limit crossbar, a rear crossbar, and a handle fixing rod. A rearview mirror longitudinal pressing block is provided at a position corresponding to the rearview mirror pre-installed box at the front end of the middle section of the rear crossbar;

[0008] The two ends of the rear cross bar are provided with sliding sleeves, the front end surface of the sliding sleeve is connected with a second steel cable, and the second steel cable is connected to the counterweight after passing through the third pulley;

[0009] B. The pressing mechanism includes a left large spring, a right large spring, a left small spring, a right small spring, a pull-down handle, a pressing arm connecting handle, a limiting pulley, a pressing arm and a pressing block;

[0010] C. The rearview mirror assembly mold slot includes a pre-installed box and a workbench, and the pre-installed box is arranged on the workbench;

[0011] D. The counterweight mechanism includes a first steel cable, a first pulley, a second pulley, a sliding sleeve, a second steel cable, a counterweight block, a third steel cable, a third pulley and a fourth pulley.

[0012] Furthermore, two limiting pulleys are arranged on the lower end surface of the middle section of the middle cross bar, and the two limiting pulleys are pressed on the longitudinal connecting rod of the pull-down handle.

[0013] Furthermore, the upper cross bar is arranged at the top of the rearview mirror mounting device, and a left large spring and a right large spring are hung on the upper cross bar, and the lower ends of the left large spring and the right large spring are hung on the middle cross bar respectively.

[0014] Furthermore, the two ends of the middle cross bar are connected to the middle cross bar slide grooves arranged at both ends, and the middle cross bar can slide up and down in the middle cross bar slide groove. A third steel cable is connected to the lower end of the middle cross bar slide groove, and the other end of the third steel cable is connected to the tail end of the sliding sleeve through a fourth pulley.

[0015] Furthermore, a pressure arm is provided on the pressure arm connecting handle, and a pressure block is connected to the lower end of the pressure arm.

[0016] Furthermore, the tail end of the pull-down handle of the pressing mechanism is rotatably fixed to the middle section of the handle fixing rod, and both ends of the handle fixing rod are arranged in the middle cross bar sliding groove.

[0017] Furthermore, the front end of the first steel cable is connected to the middle crossbar slide slot, and then connected to the counterweight block through the first pulley and the second pulley.

[0018] Furthermore, the front end of the second steel cable is connected to the front end of the sliding sleeve, and the other end is connected to the counterweight block via a pulley.

[0019] Furthermore, the upper end of the third steel cable is connected to the middle crossbar sliding groove, and is connected to the rear end of the sliding sleeve after passing through the fourth pulley.

[0020] Furthermore, respective pressure arm connecting handles extending toward the middle are respectively provided on the two longitudinal connecting rods of the pull-down handle, and a left small spring and a right small spring are connected to the rear end of the longitudinal connecting rod, and the upper ends of the left small spring and the right small spring are hung on the rear support arm of the middle cross bar provided at the rear end of the middle cross bar.

[0021] Beneficial technical effects of the utility model

[0022] 1. By pressing the handle down, the pressure block replaces the index finger and thumb to press the rear cover of the rearview mirror, eliminating the need for secondary operation and achieving quick assembly.

[0023] 2. The utility model reserves a distance space for pressing down the rear cover of the rearview mirror. Therefore, after the rear cover of the rearview mirror is pressed into the rearview mirror body, due to the obstruction of the limiting cross bar, even if excessive force is applied, the rear cover of the rearview mirror will not be damaged, thereby ensuring the high quality, speed and safety of the pre-installed rearview mirror.

[0024] 3. The main body of the pre-installed device is made of lightweight aluminum alloy, which is easy to operate, light to press down, and easy to master the standards.

[0025] 4. The three steel cable groups, four pulley groups, and the downward pressing mechanism formed by the counterweight block and the spring are linked up and down, so that the device can easily, quickly, and non-destructively complete the pre-installation of the mirror; BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a front view schematic diagram of the utility model in the state of pressing the rearview mirror cover;

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model in a free state;

[0028] Figure 3 For this utility model Figure 1 Right side view;

[0029] Figure 4 For this utility model Figure 3 Schematic diagram of the frameless structure.

[0030] In the figure:

[0031] Upper cross bar -1, middle cross bar -2, left large spring -3, left small spring -4, pull-down handle -5, right small spring -6, right large spring -7, limit pulley -8, middle cross bar slide -9, pressure arm connecting handle -10, limit cross bar -11, pressure arm -12, front cross bar -13, pressure block -14, rearview mirror -15, pre-installed box -16, workbench -17, limit cross bar bracket -18, handle limit rod -19, side column -20, handle longitudinal connecting rod -21, first steel cable -22, first pulley 23, second pulley -24, sliding sleeve -25, counterweight block -26, second steel cable 27, third pulley -28, longitudinal pressure block -29, third steel cable -30, fourth pulley -31, middle cross bar rear support arm 32. DETAILED DESCRIPTION

[0032] Example 1

[0033] This embodiment provides an auxiliary device for assembling a rear cover of a rearview mirror of an automobile, which includes a beam frame, a pressing mechanism and a rearview mirror assembly mold groove:

[0034] The beam frame includes an upper crossbar 1, a middle crossbar 2, a middle crossbar slide 9, a middle crossbar rear support arm 32, a limit crossbar 11, a rear crossbar 13, a handle fixing rod 19, and side columns 20 are arranged on both sides of the crossbar;

[0035] A rearview mirror longitudinal pressing block 29 is provided at a position corresponding to the rearview mirror pre-installed box 16 at the front end of the middle section of the rear cross bar 13. When the rearview mirror 15 is placed in the rearview mirror pre-installed box 16, the longitudinal pressing block 29 presses on the housing of the rearview mirror 15 to maintain the pressed-in position of the rearview mirror.

[0036] The two ends of the rear cross bar 13 are provided with sliding sleeves 25, and the front end surface of the sliding sleeve 25 is connected with a second steel cable 27, and the second steel cable 27 is connected to the counterweight block 26 after passing through the third pulley 28;

[0037] The pressing mechanism comprises a left large spring 3, a right large spring 7, a left small spring 4, a right small spring 6, a pull-down handle 5, a pressing arm connecting handle 10, a limiting pulley 8, a pressing arm 12 and a pressing block 14;

[0038] The rearview mirror assembly mold slot includes a pre-installed box 16 and a workbench 17, and the pre-installed box 16 is arranged on the table of the workbench 17;

[0039] The upper cross bar 1 is arranged at the top of the rearview mirror mounting device, and a left large spring 3 and a right large spring 7 are hung on the upper cross bar 1. The lower ends of the left large spring 3 and the right large spring 7 are hung on the middle cross bar 2 respectively. The two ends of the middle cross bar 2 are connected to the middle cross bar sliding grooves 9 arranged at both ends. The middle cross bar 2 can slide up and down in the middle cross bar sliding groove 9. A third steel cable 30 is connected to the lower end of the middle cross bar sliding groove 9. The other end of the third steel cable is connected to the tail end of the sliding sleeve 25 through a fourth pulley.

[0040] Two limiting pulleys 8 are arranged on the lower end surface of the middle section of the middle crossbar 2, and the two limiting pulleys 8 are pressed on the longitudinal connecting rod 21 of the pull-down handle 5 to ensure that the pull-down handle 5 will not shift when pressed down;

[0041] A pressing arm 12 is provided on the pressing arm connecting handle 10, and a pressing block 14 is connected to the lower end of the pressing arm 12;

[0042] The tail end of the pull-down handle 5 of the pressing mechanism is rotatably fixed to the middle section of the handle fixing rod 19; the two ends of the handle fixing rod 19 are arranged in the middle crossbar slide groove 9, which can drive the middle crossbar slide groove 9 to slide up and down;

[0043] The counterweight mechanism includes a first steel cable 22, a first pulley 23, a second pulley 24, a sliding sleeve 25, a second steel cable 27, a counterweight block 26, a third steel cable 30, a third pulley 28 and a fourth pulley 31;

[0044] The three steel cable groups, four pulley groups, counterweight blocks and springs form an upper and lower linkage of the pressing mechanism;

[0045] The front end of the first steel cable 22 is connected to the middle crossbar slot 9, then passes through the first pulley 23, the second pulley 24, and finally connected to the counterweight 26;

[0046] The front end of the second steel cable 27 is connected to the front end of the sliding sleeve 25, and the other end is connected to the counterweight 26 via a pulley 28;

[0047] The upper end of the third steel cable 30 is connected to the middle crossbar slide groove 9, and is connected to the rear end of the sliding sleeve 25 after passing through the fourth pulley 31;

[0048] On the two longitudinal connecting rods 21 of the pull-down handle 5, there are respectively provided with respective pressure arm connecting handles 10 extending toward the middle, and the rear end of the longitudinal connecting rod 21 is connected with a left small spring 4 and a right small spring 6, and the upper ends of the left small spring 4 and the right small spring 6 are hung on the rear support arm 32 of the middle cross bar set at the rear end of the middle cross bar 2; when the pull-down handle 5 is pulled downward, the left small spring 4 and the right small spring 6 will drive the middle cross bar 2 to move downward in the middle cross bar limiting grooves 9 set at both ends. When the middle cross bar 2 moves downward, the pressure applied to the pull-down handle 5 is greater than the upward pulling force of the spring, so the counterweight block 26 arranged at the lower end is pulled downward under the gravity, and the downward pulling force drives the second steel cable 27 to pull downward, and after the third pulley turns, the sliding sleeve 25 is pulled forward. At this time, the front cross bar 13 arranged on the sliding sleeve 25 moves forward, so that the longitudinal pressing block 29 arranged on the front cross bar 13 is pressed on the rear shell of the rearview mirror 15, so that the pre-installed rearview mirror 15 is pressed in;

[0049] The present technology is a pulley spring linkage design. A rearview mirror pre-installation box 16 is set on a workbench 17. First, the rearview mirror 15 is placed in the pre-installation box 16. Then, the rearview mirror cover is placed on the rearview mirror body to determine the snap-in position. Then, when the pull-down handle 5 is pulled down, the left and right large springs 3 and 7 are stretched downward. The middle cross bar 2 is moved downward together by the small springs 4 and 6. At the same time, the steel cable drives the rear cross bar 13 to move forward. The longitudinal pressing block 29 contacts the rear side of the rearview mirror. When the pressing block 14 contacts the rearview mirror cover, Since the limiting cross bar 11 is fixed, a gap of 0.5 mm is reserved between the lower end surface of the longitudinal connecting rod 21 and the upper end surface of the limiting cross bar 11. After determining that the pressing position of the rearview mirror shell is correct, when the pull-down handle 5 is pressed again, the pull-down handle 5 completes the remaining 0.5 mm movement downward, and the rear cover of the rearview mirror will be pressed into the rearview mirror body. After the pre-installation of the rearview mirror is completed, the pull-down handle 5 is released, and the middle cross bar 2 is pulled back to its original position under the action of the elastic force of the left and right large springs 3 and 7, returning to the initial position.

[0050] The utility model drives the pressing arm 12 and the pressing block 14 to move downward and press on the rear cover of the rearview mirror 15 by pulling down the handle 5. After confirming that the pressing position is correct, the reserved 0.5mm gap is pressed downward to press the rear cover of the rearview mirror into place. After the reserved 0.5mm gap is pressed down, it is impossible to continue to press down because the lower end of the longitudinal connecting rod 21 is blocked by the limit cross bar 11, so the rear cover of the rearview mirror 15 will not be damaged due to improper force. Due to the effect of the left and right large springs 3 and 7, after completing the pre-installation of the rear cover of the rearview mirror, release the pull-down handle 5, and the pressing mechanism will return to its original position to prepare for the next pre-installation work.

[0051] The utility model uses the longitudinal pressing block 29 of the pressing mechanism to replace the pressing operation of the index finger and the thumb, so there is no need for secondary operation, and the rapid assembly operation can be well achieved. The mechanism body is designed to be made of lightweight aluminum alloy, which is simple to operate, light to press, and easy to master the use standard.

[0052] Furthermore, the tension of the left and right large and small springs involved in the utility model is greater than the falling gravity of the counterweight block. The design calculation is conventional knowledge known to ordinary technicians in this technical field, and the calculation method can also be obtained cheaply in the prior art, so it will not be repeated here.

Claims

1. An auxiliary device for assembling a rear cover of a rearview mirror of an automobile, comprising a beam frame, a pressing mechanism, a rearview mirror assembly mold slot and a counterweight mechanism, characterized in that: A. The beam frame comprises an upper cross bar (1), a middle cross bar (2), a middle cross bar slide groove (9), a middle cross bar rear support arm (32), a limit cross bar (11), a rear cross bar (13), and a handle fixing rod (19); a rearview mirror longitudinal pressing block (29) is provided at a position corresponding to the rearview mirror pre-installed box (16) at the front end of the middle section of the rear cross bar (13); The two ends of the rear cross bar (13) are provided with sliding sleeves (25), the front end surface of the sliding sleeve (25) is connected to a second steel cable (27), and the second steel cable (27) is connected to a counterweight block (26) after passing through a third pulley (28); B. The pressing mechanism comprises a left large spring (3), a right large spring (7), a left small spring (4), a right small spring (6), a pull-down handle (5), a pressing arm connecting handle (10), a limiting pulley (8), a pressing arm (12) and a pressing block (14); C. The rearview mirror assembly mold slot comprises a pre-installed box (16) and a workbench (17), wherein the pre-installed box (16) is arranged on the surface of the workbench (17); D. The counterweight mechanism comprises a first steel cable (22), a first pulley (23), a second pulley (24), a sliding sleeve (25), a second steel cable (27), a counterweight block (26), a third steel cable (30), a third pulley (28) and a fourth pulley (31).

2. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: Two limiting pulleys (8) are arranged on the lower end surface of the middle section of the middle crossbar (2), and the two limiting pulleys (8) are pressed on the longitudinal connecting rod (21) of the pull-down handle (5).

3. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The upper cross bar (1) is arranged at the top of the rearview mirror mounting device, and a left large spring (3) and a right large spring (7) are hung on the upper cross bar (1), and the lower ends of the left large spring (3) and the right large spring (7) are respectively hung on the middle cross bar (2).

4. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The two ends of the middle cross bar (2) are connected to the middle cross bar sliding grooves (9) provided at the two ends. The middle cross bar (2) can slide up and down in the middle cross bar sliding groove (9). A third steel cable (30) is connected to the lower end of the middle cross bar sliding groove (9). The other end of the third steel cable is connected to the tail end of the sliding sleeve (25) through a fourth pulley (31).

5. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: A pressing arm (12) is provided on the pressing arm connecting handle (10), and a pressing block (14) is connected to the lower end of the pressing arm (12).

6. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The tail end of the pull-down handle (5) of the pressing mechanism is rotatably fixed to the middle section of the handle fixing rod (19), and both ends of the handle fixing rod (19) are arranged in the middle crossbar sliding groove (9).

7. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The front end of the first steel cable (22) is connected to the middle crossbar sliding groove (9), and then connected to the counterweight (26) via the first pulley (23) and the second pulley (24).

8. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The front end of the second steel cable (27) is connected to the front end of the sliding sleeve (25), and the other end is connected to the counterweight (26) via a pulley (28).

9. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The upper end of the third steel cable (30) is connected to the middle crossbar sliding groove (9), and is connected to the rear end of the sliding sleeve (25) after passing through the fourth pulley (31).

10. The vehicle rearview mirror rear cover assembly auxiliary device according to claim 1, characterized in that: The two longitudinal connecting rods (21) of the pull-down handle (5) are respectively provided with respective pressure arm connecting handles (10) extending toward the middle, and a left small spring (4) and a right small spring (6) are connected to the rear end of the longitudinal connecting rod (21), and the upper ends of the left small spring (4) and the right small spring (6) are hung on the rear support arm (32) of the middle cross bar (2) provided at the rear end of the middle cross bar (2).

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