KR0115957Y1 - An stopper device of wiper arm - Google Patents

Abstract

The present invention relates to the stopper device of the wiper arm, and when the wiper arm log is restored to the initial position by the compression force of the spring when the wiper blade is replaced to remove the foreign matter on the windshield glass surface, the end of the rod ends on the windshield glass surface. By attaching the angle adjuster integrally to the tip of the link so as not to hit, the wind shield can be stopped at the position close to the wind shield glass so that one end of the rod does not hit the wind shield glass surface when the wiper blade is damaged or worn. Not only glass damage can be prevented, but also human injury to workers.

Description

Stopper device of wiper arm

1 is a perspective view schematically showing a conventional automotive wiper assembly (sasembly).

FIG. 2 is an exploded perspective view of the wire arm in the wiper assembly of FIG. 1. FIG.

Figure 3 is an exploded perspective view showing a stopper device of the wiper arm according to the present invention.

4 is an assembled cross-sectional view of the stopper device shown in FIG.

5 is a view showing another embodiment of the stopper device of the wiper arm according to the present invention.

＊ Explanation of symbols on main parts of drawing

10: wind shield glass 11: wiper linkage

12: wiper motor 13: rotating shaft

14 Frame 15 Sealing cap

16: wiper blades 17, 30, 30: wiper arm

18, 31, 41: link 18a, 19a, 31a, 32a, 42a: mounting hole

18b, 31b: Insertion holes 19, 32, 42: Rod

20, 33, 43: fixed pin 21: spring

34: stopper 44: lever

44a: horizontal slot 45: hinge

46: jamming

The present invention relates to a stopper device of the wiper arm, and more particularly, to prevent the breakage of the windshield glass generated when the wiper arm collides by limiting the rotation angle due to the restoration of the wiper arm restored to the initial position when the wiper blade is replaced. The stopper device of the wiper arm is made possible.

In general, when the wiper installed in the vehicle has a slight foreign object such as dust or dirt on the surface of the windshield glass, the multifunction switch is operated to remove the foreign substance by inputting an operation signal to operate the wiper assembly. It will be responsible for securing the forward clock.

Such a conventional wiper assembly has a wind shield glass 10 between upper and side moldings (shown between roof trim and cowl top cover, as shown in FIGS. 1 and 2). And a wiper ring cage 11 capable of linear reciprocating movement in the left and right directions on the upper surface of the cowl top cover, and at the end of the wiper ring cage 11 according to the operation of the multifunction switch. The wiper motor 12 is mounted on / off to provide driving force to the wiper ring cage 11.

In addition, the wiper ring cage 11 is coupled to the frame 14 is fixed to the rotary shaft 13 to change the linear motion to the rotary motion, the wiper to be described later fixed to the rotary shaft 13 by a sealing cap 15 An arm is inserted, and at one end of the wiper arm, a wiper blade 16 made of rubber material is mounted to remove the foreign matter from the windshield glass surface 11.

The wiper arm 17 has a link 18 and a rod 19 formed with mounting holes 18a and 19a respectively coupled to the fixing pin 20, and one end of the link 18 has a rotation shaft 13. An insertion hole 18b is formed to be inserted into the link 18 and one end of the spring 21 is connected to the bottom of the link 18 and the rod 19.

In the conventional wiper assembly configured as described above, when the driver turns on the multifunction switch to remove the foreign matter such as raindrops or bungee, which is buried on the windshield glass surface 10, the cowl top cover is driven by the driving force of the wiper motor 12. The wiper link cage 11 located on the upper surface starts the linear reciprocating movement.

Thereafter, the frame 14 for changing the linear motion to the rotary motion and the rotary shaft 13 fixed thereto are rotated, and at the same time, the link 18 of the wiper arm 17 inserted into the rotary shaft 13 is connected to the frame 14. The rod 19 and the wiper blade 16 coupled to the fixing pin 20 by rotating in the same direction to remove the foreign matter on the surface of the windshield glass 10 are rotated. At this time, the contact force of the wiper blade 16 is increased by the compression force of the spring 21, one end of which is connected to the link 18 and the rod 19, respectively.

However, since the wear occurs on the wiper blade that removes the foreign matters, and when replacing it, the rod of the wiper arm is erected vertically, and then the wiper blade is removed. Restoration to the initial position, the end of the rod hits the windshield glass, the damage occurs as well as the repair cost is additionally set accordingly, there was a problem injured by fragments of the damaged windshield glass.

The present invention is to solve the problems as described above, the purpose of the present invention is to replace the wiper blades that are damaged and worn by mounting an angle adjusting member that can adjust the rotation angle according to the restoration of the rod on the link of the wiper arm The rod is stopped at the position close to the windshield glass surface so that the end of the rod does not hit the windshield glass surface, thereby preventing the windshield glass from being damaged and providing a stopper device of the wiper arm that can prevent injury to the human body. .

The present invention for achieving the above object, the wiper arm is rotated in the up and down direction relative to the windshield glass surface is fixed, the wiper is mounted on one end of the wiper arm to remove foreign matters on the windshield glass surface In the wiper assembly including the blade, when the wiper blade is replaced, the rod end is prevented from hitting the windshield glass surface when rotated to the initial position by the compression force of the spring connected to the rod and the rod constituting the wiper arm. In order to limit the rotational angle of the rod in the link leading end is characterized in that it is provided.

Hereinafter, preferred embodiments of the stopper device of the wiper arm in the present invention will be described based on the accompanying drawings.

3 and 4 is a view showing a stopper device according to the present invention, the configuration of the wiper assembly is the same as in Figure 1, the same reference numerals are used in the present invention.

The wiper ring cage 11 which can be reciprocated linearly by the driving force of the wiper motor 12 is mounted on the top surface of the cowl top cover, and the frame 14 on which the rotating shaft 13 is fixed is fastened to one end of the wiper ring cage 11. The insertion shaft 31b of the link 31 constituting the wiper arm 30 fixed by the sealing cap 15 is inserted into the rotation shaft 13.

In addition, the mounting hole (31a) (32a) is formed so that the fixing pin 33 is fitted in each of the link 31 and the rod (32) coupled thereto, the angle adjusting member that can adjust the rotation angle when the rod is restored Phosphorous square stopper 34 is integrally mounted, and is integrally mounted, and rod 32 is equipped with a wiper blade 16 for removing foreign matter from the surface of windshield glass surface 10.

Referring to the effect of the stopper device of the wiper arm according to the present invention configured as described above in detail.

When the rod 32 of the wiper arm 30 is pulled in order to replace the wear and damage of the wiper blade 16 which rotates in the up and down direction and removes foreign substances while being in close contact with the surface of the wind shield glass 10, the link As the spring 21 connected to the rod 31 and 31 is tensioned, the rod 32 stops at a right angle to the windshield glass 10.

Then, the wiper blade 16 mounted on one end of the rod 32 is removed and replaced with a new wiper blade 16. At this time, the wiper blade 16 is rotated about the worker's circumference during the operation of the wiper blade 16 and moved to the initial position so that the end of the rod 32 comes into contact with the stopper 34 mounted on the tip of the link 31. It is possible to prevent the windshield glass 10 from hitting the surface.

On the other hand, Figure 5 is a view showing another embodiment of the stopper device according to the present invention, one side of the link 41, at least one locking projection 46 inclined at a predetermined angle in order to limit the rotation angle of the rod 42 ) Is protruding.

The locking projection 46 may be in direct contact with the rod 42 to limit the rotation angle, it may be configured to adjust the rotation angle. That is, a fixing pin 43 for rotatably coupling the link 41 and the rod 42 is fitted into the mounting holes 41a and 42a, and the fixing pin 43 is once in contact with the side of the link 41. A lever 44 having a horizontal slot 44a is inserted into the portion, and a hinge 45 fixed to an inner surface of the rod 42 is inserted into the horizontal slot 44a.

At least one locking protrusion 46 protrudes from the side of the link 41 so as to limit an angle of rotation of the lever 44 at an upper angle thereof. A hinge 45 inserted into the horizontal hole 44a is connected to the inner surface of the rod 42 so as to adjust the rotation angle of the lever 44 to the locking projection 46.

According to another embodiment of the present invention configured as described above, when the rod 42 is pulled to replace the damaged wiper blade 16, the lever 44 inserted into the fixing pin 43 is moved along the horizontal hole 44a. It rotates along the rod 42 and stops at right angles to the windshield glass surface 10 surface.

Then, after removing the worn or damaged wiper blade 16 mounted on one end of the rod 42, it is replaced with a new wiper blade (16). At this time, when the rod 42 is rotated and restored to the initial position, the lever 44 is caught on the inclined surface of the locking projection 46 protruding from the side of the link 14 to limit the rotation angle of the rod 42 to limit the rod 42. One end can prevent the windshield glass 10 from hitting the surface.

Although the present invention limits the rotation angle when the rod is restored to the initial state by using the stopper and the lever, it is also possible to limit the rotation angle by forming a simple protrusion on the rod or the link. Such a limitation of the rotation angle should be rotatable to a range that does not restrict the wiper arm from sufficiently pressing the blade to perform a smooth wiper role, ie, the position of the wiper arm slightly below the initial position.

As described above, according to the stopper device of the wiper arm according to the present invention, when the wiper blade is replaced with a simple configuration that simply adds the engaging protrusion 46 to prevent damage and wear, the rod does not hit the windshield glass surface. The windshield glass can be stopped at an adjacent position to prevent damage to the windshield glass as well as to prevent injury to an operator.

Claims (2)

The wiper arm, which is rotated up and down relative to the windshield glass surface 10, is fixed and is mounted on one end of the wiper arm, and includes a wiper blade 16 for removing foreign matter on the windshield glass surface. In the wiper blade exchange, when the wiper arm is restored while being rotated and restored to the initial position by the compression force of the link 41 constituting the arm and the spring 21 connected to the rod 42, one end of the rod 42 is windshield In order to prevent the glass 41 from hitting the glass surface, the engaging projection 46 is provided on either side of the link 41 and the rod rod 42 to limit the rotation of the other of the link 41 and the rod 42 at a predetermined position. Stopper device of the wiper arm, characterized in that protruded to. According to claim 1, wherein the lever 44 is connected to the engaging projection 46 during the rotation of the initial state of the rod 42 connected to each of the link 41 and the lever 44 coupled to the fixing pin 43. The lever 44 is connected to the rod 42 via the horizontal hole 44a and the hinge 45 of the lever 44 so as to adjust the rotation angle of the contacting rod 42. Stopper device of wiper arm to make.