KR20090001292U - Adaptor of wiper blade - Google Patents

Abstract

The present invention relates to a wiper blade adapter for coupling a wiper blade to a wiper arm, which wipes the glass surface of a vehicle, and improves the structure of the adapter to facilitate the coupling between the adapter and the wiper arm when the wiper blade is replaced. At the same time, it is an object to provide an adapter of a wiper blade that can be coupled to a wiper arm of various shapes and sizes. Adapter of the wiper blade according to the present invention for achieving the above object is an adapter of the wiper blade for connecting the wiper blade to the wiper arm provided with a bracket having a coupling rod across both sides in the center, inserted into the bracket and on both sides A body having sidewall portions facing each other, a coupling portion formed in the body and fitted into the coupling rod through the sidewall portion, a through portion formed adjacent to the coupling portion in the body and penetrating the sidewall portion; Each side wall portion includes a fixing protrusion formed to protrude inwardly at each end, and a recess formed by recessing an opposite surface of the portion where the fixing protrusion is formed.

Wiper Blades, Adapters, Wiper Arms, Locking Protrusions, Recesses, Hooks, Sidepins, Bionets

Description

Adapter of wiper blades {ADAPTOR OF WIPER BLADE}

1 is a perspective view showing an adapter of the wiper blade according to the prior art.

Fig. 2 is a perspective view showing a state where the adapter, the wiper blade, and the wiper arm are separated according to the prior art.

Fig. 3 is a perspective view for explaining the method of coupling a wiper blade equipped with an adapter according to the prior art to a wiper arm.

Figure 4 is a perspective view of the adapter of the wiper blade according to the present invention.

5 is a view showing the adapter of the wiper blade according to the present invention, (a) is a front view, (b) is a bottom view, (c) is a cross-sectional view taken along the line A-A of FIG.

Figure 6 is a view for explaining the state that the adapter of the wiper blade coupled to the hook-type wiper arm according to the present invention, (a) is a perspective view of the detached state, and (b) is a perspective view of the engaged state.

FIG. 7 is a view for explaining a state in which an adapter of the wiper blade according to the present invention is coupled to the hook-type wiper arm of FIG. 6, wherein (a) is a bottom view of an engaged state, and (b) is FIG. 7 (a). Section taken along line BB of the.

8 is a view for explaining a state in which the adapter of the wiper blade according to the present invention is coupled to another type of hook-type wiper arm, (a) is a perspective view of the detached state, and (b) is a perspective view of the engaged state .

9 is a view for explaining the coupling of the adapter of the wiper blade according to the present invention to the hook-type wiper arm of another form of Figure 8, (a) is a bottom view of the engaged state, and (b) is a view Sectional view taken along line CC of 7 (a).

10 is a view for explaining a state in which the adapter of the wiper blade is coupled to the side pin type wiper arm according to the present invention, (a) is a perspective view of the detached state, and (b) is a perspective view of the engaged state.

FIG. 11 is a view for explaining a state in which the adapter of the wiper blade according to the present invention is coupled to the side pin type wiper arm of FIG. 10, (a) is a bottom view of an engaged state, and (b) is FIG. 7 (a). Section taken along line DD of.

12 is a view for explaining how the adapter of the wiper blade according to the present invention is coupled to the bionet-type wiper arm, (a) is a perspective view of the detached state, and (b) is a perspective view of the engaged state.

FIG. 13 is a view for explaining how the adapter of the wiper blade according to the present invention is coupled to the bionet-type wiper arm of FIG. 12, (a) is a bottom view of the engaged state, and (b) is FIG. 7 (a). Section taken along line EE.

<Explanation of symbols for the main parts of the drawings>

11, 13: hook type wiper arm 15: side pin type wiper arm

17: Bionet type wiper arm 20: Wiper blade

22: bracket 23: coupling rod

50: adapter 51: body

52: coupling portion 53: first support portion

54 through part 55: second support part

56: side wall portion 56a: fixing protrusion

56b: recess 58: upper surface

59: insertion hole 60: third support

The present invention relates to an adapter of the wiper blade for coupling the wiper blade for wiping the glass surface of the vehicle to the wiper arm, and more particularly, to an adapter of the wiper blade improved the structure to facilitate the removal of the wiper blade.

In general, when the glass surface is contaminated by dust or weather conditions in the air, the vision is blurred, which hinders safe operation. The device is installed.

Typically, a wiper device consists of a wiper arm that reciprocates within a certain angle by a motor fixedly mounted to a vehicle body, and a wiper blade that is coupled to the wiper arm and turns while wiping the glass surface.

In addition, the wiper blade is a wiper arm, which is usually coupled to the frame forming a plurality of link structures, a rubber wiper strip coupled to the frame and elastically contacting the glass surface of the vehicle, and a bracket formed on the frame. It includes an adapter to connect to.

Such a wiper blade is a consumable, and can be used when the rubber wiper strip is worn out due to continuous use, or when adhesion or cleaning power is degraded.

As shown in FIGS. 1 and 2, the conventional adapter 30 has an engaging groove 32 for engaging with a bracket 22 formed in the frame 21 of the wiper blade 20. In this coupling groove 32, a coupling rod 23 having a cylindrical rod shape formed in the bracket 22 is coupled, and the adapter 30 is rotatable about the coupling rod 23.

In addition, the inner surface of the adapter 30 is formed so that the fixing projections 35 for fixing so that the combined wiper arm 11 can be maintained without being separated from each other.

The wiper blade 20 is usually packaged and sold with the adapter 30 coupled thereto, and when the user wants to replace the wiper blade 20, the wiper blade 20 may replace the entire wiper blade 20 including the adapter 30. do.

In order to connect the new wiper blade 20 to the hooked wiper arm 11, the hook portion 11a of the wiper arm 11 is coupled to the adapter 30. The hook portion 11a of the wiper arm 11 coupled to the adapter 30 may be in contact with the fixing protrusion 35 so that the engagement state may be stably maintained.

Here, since the adapter 30 is already engaged in the bracket 22 of the wiper blade 20 and cannot be elastically deformed, the hook portion 11a of the wiper arm 11 is connected to the adapter ( The fixing protrusion 35 of the 30 is caught and cannot be combined.

Therefore, in the related art, when the wiper blade 20 is to be coupled to the wiper arm 11, as shown in FIG. 3, the hook portion of the wiper arm 11 is rotated with the adapter 30 rotated at a predetermined angle. 11a) should be inserted into the adapter (30) at an angle.

However, the adapter 30 rotates in the bracket 22 of the wiper blade 20 while the hook portion 11a of the wiper arm 11 is obliquely inserted into the adapter 30 so that the wiper arm 11 is engaged. Could not maintain the proper angle. In addition, since the wiper arm 11 cannot be moved freely because it is installed on the vehicle side, the wiper blade 20 must be moved so that the hook portion 11a of the wiper arm 11 is fitted to the adapter 30.

Accordingly, when the wiper blade 20 is coupled to the wire arm 11, the user rotates the adapter 30 at a predetermined angle and grips it by hand so that the wiper arm 11 is installed on the vehicle side. There is a problem in that the coupling operation is inconvenient and cumbersome, such as the movement of the wiper blade 20 to be coupled to each other.

On the other hand, the wiper arm is divided into a hook type wiper arm, a side pin type wiper arm, and a bayonet type wiper arm according to the shape of the connection portion with the adapter. However, according to the shape and size of the wiper arm, the shape and size of the adapter to be combined with the wiper arm should also be changed, so there was a need to purchase and connect the adapter according to the wiper arms of various shapes and sizes. .

The present invention solves these conventional problems, and an object of the present invention is to improve the structure of the adapter to facilitate the coupling between the adapter and the wiper arm when replacing the wiper blade, while at the same time a variety of shapes and sizes It is to provide an adapter of the wiper blade that can be coupled to the wiper arm having a.

Adapter of the wiper blade according to the present invention for achieving the above object is an adapter of the wiper blade for connecting the wiper blade to the wiper arm provided with a bracket having a coupling rod across both sides in the center, inserted into the bracket and on both sides A body having sidewall portions facing each other, a coupling portion formed in the body and fitted into the coupling rod through the sidewall portion, a through portion formed adjacent to the coupling portion in the body and penetrating the sidewall portion; Each side wall portion includes a fixing protrusion formed to protrude inwardly at each end, and a recess formed by recessing an opposite surface of the portion where the fixing protrusion is formed.

Here, the body includes a first support portion surrounding the coupling portion for supporting the side wall portions on both sides, the hook-type wiper arm coupled to the adapter has a hook portion formed at the end of the fixing projections, the coupling portion and the first 1 is coupled to abut the support portion can maintain a fixed state. In addition, the body includes a second support portion formed surrounding the through portion to support side wall portions on both sides, and the side pin type wiper arm coupled to the adapter while the adapter is coupled to the wiper blade has a side formed at an end. In the state where the pin penetrates through the hole of the bracket of the wiper blade, it is preferable that the pin is coupled to abut the second support part to maintain a fixed state. In addition, the body is formed across the side wall portions of both sides on the upper side and the upper surface through which the insertion hole is penetrated to the center, and one end is connected to the body is spaced apart from the upper surface by a predetermined interval and supported in parallel and given a predetermined elastic force A bionet-type wiper arm comprising a third support, the bionet-type wiper arm coupled to the adapter being elastically deformed and inserted into the space between the upper surface and the third support, and formed on an upper surface of the bionet-type wiper arm More preferably, the coupling protrusion fitted to the insertion hole and the returning third support portion are engaged to contact each other to maintain a fixed state.

Hereinafter, with reference to the accompanying drawings an embodiment of the present invention will be described in detail.

4 and 5 are shown the adapter of the wiper blade according to the present invention, Figure 6 to 13 of the adapter of the wiper blade according to the present invention is a hook type wiper arm, another type of hook type wiper arm, The figure for explaining the engagement with the sidepin type wiper arm and the Bionet type wiper arm is shown.

As shown in Figures 4 and 5 (a) to (c), the adapter 50 of the wiper blade according to the present invention is used to join the wiper blade and the wiper arm. To this end, the frame 21 constituting the wiper blade (see Fig. 2) is formed with a bracket 22 (see Fig. 2) having a coupling rod 23 (see Fig. 2) in the center. In addition, the adapter 50 of the wiper blade has a body 51 formed with side walls 56 facing each other on both sides, and the body 51 penetrates the side wall 56 to the coupling rod 23. Coupling portion 52 to be fitted is formed. In addition, a through portion 54 is formed in the body 51 adjacent to the coupling portion 52. The through part 54 is formed through both side wall parts 56.

The body 51 is formed to surround the coupling portion 52 to support the side wall portion 56 on both sides, and the first support portion 53 and the through portion 54 formed to surround the side wall portions on both sides And a second support portion 55 for supporting the 56.

In addition, the adapter 50 may be formed with an uneven portion on the outer surface of the side wall portion 56 to reduce friction generated when the adapter 50 is inserted into the bracket, the uneven portion is the coupling portion 52 ) Is preferably formed concentrically.

The first support portion 53 extends from the coupling portion 52 in one direction (left direction when viewed in FIG. 5C), and is bent to correspond to the shape of the end wiper arm.

On the other hand, each side wall portion 56, the fixing projections 56a protruding to the inner side facing each other, the concave portion 56b is formed on the back side of the fixing projections 56a. That is, in the pair of side wall portions 56, the opposite surface of the fixing projections 56a formed in the direction facing each other is recessed concave. Accordingly, the adapter 50 of the present invention allows the coupling of the wiper arm while the fixing protrusion 56a is elastically deformed when the hook-type wiper arm to be described below is coupled to the bracket of the wiper blade. can do.

Therefore, according to the adapter 50, the hook-type wiper arm can be coupled as it is without having to tilt the adapter 50 at a predetermined angle, so that the joining operation can be simplified and simplified.

On the other hand, the hook-type wiper arm has a hook portion for fixing to the adapter 50 at the end, and has a different shape according to the curved shape of the hook portion.

According to this structure, the hook-type wiper arm having a large curved shape of the hook portion is positioned such that an upper bottom portion contacts the coupling portion 52 and the first support portion 53, and the hook portion of the fixing protrusion 56a is disposed. It is fitted inwards and remains fixed.

On the other hand, the second support 55 is fixed to the side pin-type wiper arm as described later. To this end, the adapter 50 is coupled to the bracket of the wiper blade is rotated by a predetermined angle. Then, the adapter 50, which was rotated while the side pin formed at the end of the side pin type wiper arm penetrated the hole of the bracket, rotates to its original position. Accordingly, the side pins are coupled to abut on the through part 54 and the second support part 55 to maintain a fixed state.

In addition, the body 51 has an upper surface 58 formed across the side wall portions 56 on both sides. Here, the insertion hole 59 is formed through the central portion of the upper surface 58. In addition, the body 51 is formed with a third support portion 60 spaced apart from the upper surface 58 by a predetermined interval. One end of the third support part 60 is connected to the body 51 and is supported in parallel to the upper surface 58. The third support part 60 may be elastically supported by the body 51 to which a predetermined elastic force is applied.

On the other hand, a bionet type wiper arm is inserted and coupled between the upper surface 58 and the third support portion 60. Here, the bionet-type wiper arm elastically deforms the third support part 60 and is inserted into the space between the upper surface 58 and the third support part 60. The bionet-type wiper arm is coupled to abut the bottom surface of the bionet-type wiper arm as a coupling protrusion formed at an upper surface thereof is fitted into the insertion hole 59 and the third support part 60 is returned to its original shape. To maintain a fixed state.

Hereinafter, a structure in which various types of wiper arms are coupled to the adapter 50 of the wiper blade according to the present invention will be described with reference to FIGS. 6 to 13.

6 and 7 are views for explaining how the adapter 50 of the wiper blade according to the present invention is coupled to the hook-type wiper arm (11). As shown by dotted lines in FIG. 6 (a), the hooked wiper arm 11 can be engaged in the state shown in FIG. 6 (b) by moving in a direction parallel to the adapter 50.

As described above, since the concave portion 56b is formed on the rear side of the fixing protrusion 56a, the wiper arm 11 is engaged while the adapter 50 is engaged in the bracket of the wiper blade. Even if it is, the fixing protrusion 56a may be coupled while elastically deformed.

As shown in FIGS. 7A and 7B, the hook-type wiper arm 11 coupled to the adapter 50 has an inner surface and a sidewall of the side wall portion 56 itself of the adapter 50. The hook portion 11a is held in a fixed state by abutting the engaging portion 52 and the first support portion 53 formed integrally with the fixing protrusion 56a and the body 51 which are integrally formed in the portion 56. Can be.

8 and 9 are views for explaining how the adapter 50 of the wiper blade according to the present invention is coupled to the hook-type wiper arm 13 of another form. The hook-type wiper arm 13 of another type shown in FIGS. 8 and 9 has a larger radius and a longer length than the hook-type wiper arm 11 shown in FIGS. 6 and 7. Has As shown in dashed lines in FIG. 8 (a), the hooked wiper arm 13 can be engaged in the state shown in FIG. 8 (b) by moving in a direction parallel to the adapter 50.

As described above, since the recess 56b is formed on the rear side of the fixing protrusion 56a, even if the wiper arm 13 is engaged while the adapter 50 is engaged in the bracket of the wiper blade, the fixing protrusion 56a is engaged. The 56a may be elastically deformed and coupled.

As shown in (a) and (b) of FIG. 9, the hook type wiper arm 13 coupled to the adapter 50 has an inner surface of the side wall portion 56 of the adapter 50 itself. And the hook portion 13a abuts against the high protrusions formed integrally with the side wall portion 56 and the first support portion 53 integrally formed with the body 51.

10 and 11 are views for explaining how the adapter 50 of the wiper blade according to the present invention is coupled to the side pin-type wiper arm (15). As shown by the dotted line in FIG. 10 (a), the side pin type wiper arm 15 moves in a direction perpendicular to the adapter 50 such that the side pin 15a is inserted into the through portion 54 of the adapter 50. It may be combined in the state shown in Figure 10 (b).

As shown in (a) and (b) of FIG. 11, the side pin type wiper arm 15 coupled to the adapter 50 has a side pin 15a of the bracket 22 of FIG. And a penetrating portion 54 of the adapter 50 is fitted to the side pin 15a and supported by the second support portion 55 as the adapter 50 rotates. Can be maintained.

12 and 13 are views for explaining how the adapter 50 of the wiper blade according to the present invention is coupled to the bionet-type wiper arm 17. As shown by a dotted line in FIG. 12 (a), the bionet type wiper arm 17 is inserted between the upper surface 58 and the third support portion 60 by moving in the inclined direction from the side to the adapter 50. The engaging projection 17a of the bionet-type wiper arm 17 can be engaged in the state shown in FIG. 12 (b) by being fitted into the insertion hole 59 of the upper surface 58.

As shown in FIGS. 13A and 13B, the bionet-type wiper arm 17 coupled to the adapter 50 is disposed between the upper surface 58 and the third support 60. Is inserted. In this case, the third support part 60 is elastically deformed to widen the space between the upper surface 58 and the third support part 60. As the bionet-type wiper arm 17 is further inserted, the coupling protrusion 17a is fitted into the insertion hole 59. On the other hand, after the bionet-type wiper arm 17 is fully inserted, the third support 60 is restored to its original position and is held in a fixed state by contacting and pressing the bottom surface of the bionet-type wiper arm 17. do.

As described above, the adapter of the wiper blade according to the present invention was described with reference to the illustrated drawings, but the present invention is not limited to the embodiments and drawings described above, the present invention belongs to the utility model registration claims Of course, various modifications and variations can be made by those skilled in the art.

The wiper blade adapter according to the present invention configured as described above can facilitate the coupling between the adapter and the wiper arm when the wiper blade is replaced, and at the same time, the wiper blade can be coupled to the wiper arm having various shapes and sizes. have. In particular, the adapter of the wiper blade according to the present invention can improve the coupling of the hook type wiper arm, the side pin type wiper arm, and the bionet type wiper arm and the wiper blade.

Claims (4)

An adapter of a wiper blade that connects a wiper blade to a wiper arm provided with a bracket with a coupling rod across both sides in the center thereof, A body inserted into the bracket and formed with sidewalls facing each other on both sides; A coupling part formed in the body and fitted into the coupling rod through the side wall part; A through part formed adjacent to the coupling part in the body and penetrating the side wall part; And each side wall portion includes a fixing protrusion formed to protrude inwardly at each end and a recess formed by recessing an opposite surface of the portion where the fixing protrusion is formed. The method according to claim 1, The body includes a first support portion surrounding the coupling portion for supporting the side wall portions on both sides, The hook type wiper arm coupled to the adapter has a hook portion formed at an end thereof so as to be in contact with the fixing protrusion, the coupling portion and the first support portion to maintain the fixed state. The method according to claim 1, The body includes a second support portion formed to surround the through portion to support the side wall portions on both sides, The sidepin type wiper arm coupled to the adapter while the adapter is coupled to the wiper blade is configured to contact the through part and the second support part while the side pin formed at an end thereof penetrates the hole of the bracket of the wiper blade. Adapter of the wiper blades, characterized in that coupled to maintain a fixed state. The method according to any one of claims 1 to 3, The body is formed on the upper side and cross the side wall portions of both sides and the upper surface formed through the insertion hole in the center, One end portion is connected to the body and is spaced apart from the upper surface by a predetermined support and includes a third support portion which is supported in parallel with a predetermined elastic force, The bionet type wiper arm coupled to the adapter elastically deforms the third support portion and is inserted into a space between the upper surface and the third support portion, and is formed on an upper surface of the bionet type wiper arm to be fitted into the insertion hole. And coupled to abut against the returned third support to maintain a fixed state.

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