KR200438835Y1 - Adaptor of wiper blade - Google Patents

Abstract

The present invention relates to a wiper blade adapter that facilitates the coupling between the adapter and the wiper arm when the wiper blade is replaced, according to the present invention is coupled to the bracket formed on the wiper blade to connect the wiper blade to the wiper arm An adapter of a wiper blade for making an adapter, wherein the adapter comprises a body in which a coupling groove coupled to the bracket is formed, and a pair of side wall portions integrally connected to each other by the body. An adapter of a wiper blade is provided which includes a fixing protrusion which is formed to protrude inwardly to fix the wiper arm, and a recess which is formed by recessing an opposing surface of the portion where the fixing protrusion is formed.

Wipers, Blades, Adapters, Wiper Arms, Frames, Fixing Projections, Concave

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,

2 is a perspective view showing a state in which an adapter, a wiper blade, and a wiper arm are separated according to the prior art;

3 is a perspective view illustrating a state in which a wiper blade is mounted with an adapter according to the related art to a wiper arm;

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) a bottom view, and (c) is a cross-sectional view taken along the line A-A of FIG.

6 is a view for explaining the state that the adapter of the wiper blade is 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

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 Cross-sectional view taken along line CC of 9 (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, (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 an adapter of the wiper blade is coupled to the side pin type wiper arm, (a) is a bottom view of the engaged state, and (b) is a line DD of FIG. 11 (a). A cross section taken along.

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

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

20: wiper blade 22: bracket

23: combined rod 50: adapter

51 body 52 coupling groove

53: first support part 54: second support part

55 side wall part 55a fixing protrusion

55b: recess 56a: upper guide

56b: lower guide 57: through hole

58: rotation control unit

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. More specifically, the structure of the adapter can be improved to facilitate the coupling between the adapter and the wiper arm when the wiper blade is replaced. It is related to the adapter of one wiper blade.

In general, when a glass surface is contaminated due to dust or weather conditions in the air, the vision is blurred, which hinders safe driving. Thus, a wiper device is used to wipe the glass surface by driving a wiper blade that is in close contact with the glass surface to secure a watch for the driver's safe driving. Is installed.

Usually, the wiper device comprises 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 rotates to wipe the glass surface.

The wiper blade is usually connected 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 to connect the wiper blade to the wiper arm. It includes an adapter.

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.

1 shows a perspective view of an adapter according to the prior art, FIG. 2 shows a perspective view of the adapter according to the prior art, a wiper blade and a wiper arm, and FIG. 3 shows an adapter according to the prior art. A perspective view is shown for explaining how the wiper blade is mounted to the wiper arm.

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 cylindrical rod-shaped coupling rod 23 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 to maintain a stable coupling state.

Here, since the adapter 30 is already coupled in the bracket 22 of the wiper blade 20 and cannot be elastically deformed, the hook portion 11a of the wiper arm 11 is coupled 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 illustrated in FIG. 3, the hook portion of the wiper arm 11 is rotated in a state in which the adapter 30 is 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 the like 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 hassle to purchase and connect the appropriate 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.

According to one aspect of the present invention for achieving the above object, an adapter of the wiper blade is coupled to the bracket formed on the wiper blade to connect the wiper blade to the wiper arm, the adapter is formed with a coupling groove coupled to the bracket And a pair of sidewall portions integrally connected to each other by the body, wherein each sidewall portion includes a fixing protrusion formed to protrude inwardly to fix the wiper arm, and the fixing protrusion is formed. An adapter of a wiper blade is provided, characterized in that it comprises a recess formed by recessing the opposite surface of the portion.

Here, the body includes a first support portion formed extending in one direction from the coupling groove, each of the side wall portion may include an upper guide for guiding the engagement of the wiper arm. Accordingly, the hooked wiper arm coupled to the adapter includes an inner surface of the side wall portion of the adapter itself, the fixing protrusion and the upper guide formed integrally with the side wall portion, and integrally with the body. A fixed state can be maintained by abutting the engaging groove and the first support portion formed.

In addition, the body may include a first support portion extending in one direction from the coupling groove, and each of the side wall portions may include an upper guide and a lower guide for guiding engagement of the wiper arm. Accordingly, the hook-type wiper arm coupled to the adapter includes the fixing protrusion, the upper guide, and the lower guide, wherein the hook portion is formed integrally with the inner surface of the side wall portion of the adapter and the side wall portion. And it can maintain a fixed state by abutting the said 1st support part integrally formed in the said body.

In addition, the body may include a second support portion formed extending from the coupling groove in the other direction, and each of the side wall portions may include a through hole. Accordingly, the side pin type wiper arm coupled to the adapter has a second support portion integrally formed with the body in a state where the side pin is inserted into the through hole formed in the side wall portion of the adapter. It can be maintained in a fixed state by being supported by it.

Preferably, the second support portion is formed with a concave groove portion having a shape corresponding to that of the side pin of the side pin type wiper arm so as to more reliably maintain the engaged state of the side pin type wiper arm.

Each sidewall portion preferably has a rotational restriction projecting outward from the top center to define an angle at which the adapter can rotate in a state coupled to the wiper blade.

According to another aspect of the present invention, an adapter of the wiper blade is coupled to the bracket formed on the wiper blade to connect the wiper blade to the wiper arm, the adapter is a body having a coupling groove formed to be coupled to the bracket; And a pair of sidewall portions integrally connected to each other by the body, wherein the body includes a first support portion extending in one direction from the coupling groove and a second support portion elastically deformable in the other direction. And each of the side wall portions includes a fixing protrusion formed to protrude inwardly to fix the wiper arm, a recess formed by recessing an opposite surface of the portion on which the fixing protrusion is formed, and a hook-type wiper Upper and lower guides for guiding arm engagement, with side pins The adapter of the wiper blade characterized in that it comprises a through hole that is tapered coupling arms are provided.

Here, each said side wall part has a rotation control part which protrudes outward from the center of an upper end, and it is preferable to limit the angle which can be rotated in the state in which the said adapter is engaged with the wiper blade.

Further, the second support portion is preferably provided with a concave groove portion having a shape corresponding to that of the side pin of the side pin type wiper arm so as to more reliably maintain the engaged state of the side pin type wiper arm.

Hereinafter, with reference to the accompanying drawings, preferred embodiments 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, Figures 6 to 11 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, and The figure for explaining the engagement with the side pin 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, the coupling rod 23 formed on the bracket of the frame constituting the wiper blade (Fig. And a pair of side wall portions 55 which are integrally connected to each other by the body 51.

The body 51, the first support portion 53 is formed extending from the coupling groove 52 in one direction (left direction when viewed in Figure 5 (c)), and the other direction (viewed in Figure 5 (c)) And a second support portion 54 extending in the right direction so as to be elastically deformable.

Each of the pair of side wall portions 55 includes a fixing protrusion 55a projecting inward, upper and lower guides 56a and 56b for guiding the engagement of the hook-type wiper arm as described later, and Likewise, the side pin type wiper arm has a through hole 57 to which it is coupled.

In addition, each of the pair of side wall portions 55 has a rotation restricting portion 58 that protrudes outward. The rotation restricting portion 58 is formed at the center of the upper end of the side wall portion 55, and when the adapter 50 is coupled to the bracket of the wiper blade, the rotation restricting portion 58 is further extended by a predetermined distance from the upper end of the bracket. Is located high.

The rotation restricting portion 58 defines an angle at which the adapter 50 can rotate in a state in which the adapter 50 is coupled to the bracket. That is, when the adapter 50 is rotated in the state coupled to the bracket, the rotation restricting portion 58 protruding outward from the side wall portion 55 constituting the adapter 50 is in contact with the upper surface of the bracket to interfere with the adapter The 50 will no longer be rotated.

The fixing protrusion 55a is formed at the side in which the first support part 53 of the body is formed, and the through hole 57 is the second support part 54 of the body. ) Is formed on the side where it is formed.

The first support portion 53 cooperates with the side wall portion 55 itself, the fixing protrusion 55a, the upper guide 56a, the lower guide 56b, and the like, which are integrally formed on the side wall portion 55, as will be described later. Secure the hooked wiper arms (11, 13).

In addition, the second support portion 54 secures the side pin type wiper arm 15 in cooperation with the side wall portion 55 itself, the through hole 57 formed integrally with the side wall portion 55, and the like, as described later. . At this time, the second support portion 54 is recessed in a shape corresponding to that of the side pin 15a of the side pin type wiper arm 15 so as to more reliably maintain the engagement state of the side pin type wiper arm 15. Preferably, the groove portion 54a is formed.

According to the present invention, the concave portion 55b is formed on the rear side of the fixing protrusion 55a. That is, in the pair of side wall portions 55, the opposite surface of the portion where the fixing projections 55a protruding in the direction facing each other is formed concave.

Therefore, unlike the related art, according to the adapter 50 of the present invention, even if the adapter 50 is coupled in the bracket of the wiper blade, the fixing projection 55a burns when the wiper arms 11 and 13 are engaged. It can be combined in a sexual transformation.

Accordingly, according to the adapter 50 of the present invention, since the wiper arms 11 and 13 can be coupled as they are without having to tilt the adapter 50 at a predetermined angle, the coupling operation can be simplified and simplified.

Hereinafter, a structure in which various types of wiper arms 11, 13, and 15 are coupled to the adapter 50 of the wiper blade according to the present invention will be described with reference to FIGS. 6 to 11.

6 and 7 are views for explaining how the adapter of the wiper blade according to the present invention is coupled to the hook-type wiper arm. 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.

Since the recessed part 55b is formed in the back side of the said fixing projection 55a as mentioned above, even if the wiper arm 11 is engaged in the state in which the adapter 50 is engaged in the bracket of a wiper blade, the said fixing | fixed part 55b is fixed. The projection 55a may be coupled while being elastically deformed.

As shown in (a) and (b) of FIG. 7, the hook-type wiper arm 11 coupled to the adapter 50 includes an inner surface of the side wall portion 55 of the adapter 50 itself, Ring portions (e.g., the fixing protrusions 55a and the upper guide 56a formed integrally with the side wall portion 55, the coupling grooves 52 and the first support portion 53 formed integrally with the body 51) When 11a) abuts, the fixed state can be maintained.

8 and 9 are views for explaining how the adapter of the wiper blade according to the present invention is coupled to another type of hook-type wiper arm. The hook-type wiper arm 13 of yet another type shown in FIGS. 8 and 9 has a larger radius and longer length of the ring portion than the hook-type wiper arm 11 shown in FIGS. 6 and 7. 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.

Since the recessed part 55b is formed in the back side of the said fixing projection 55a as mentioned above, even if the wiper arm 13 is engaged in the state in which the adapter 50 is engaged in the bracket of the wiper blade, the said fixing | fixed part 55b is fixed. The projection 55a may be coupled while being elastically deformed.

As shown in (a) and (b) of FIG. 9, the hook-type wiper arm 13 coupled to the adapter 50 includes an inner surface of the side wall portion 55 itself of the adapter 50, Ring portions 55a, the upper guide 56a, and the lower guide 56b, which are integrally formed on the side wall portion 55, and the first support 53, which is integrally formed on the body 51, and the like. By contacting 13a, it is possible to maintain a fixed state.

10 and 11 are views for explaining how the adapter of the wiper blade according to the present invention is coupled to the side pin-type wiper arm. As shown by a 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 hole 58 of the adapter 50. It may be combined in the state shown in Figure 10 (b).

As shown in FIGS. 11A and 11B, the side pin type wiper arm 15 coupled to the adapter 50 has a side pin 15a having a sidewall portion 55 of the adapter 50. The fixed state can be maintained by being supported by the second support part 54 which is integrally formed in the body 51 in the state of being penetrated by the through hole 57 formed in the through hole 57.

At the moment when the side pin 15a is inserted, the second support portion 56b is elastically deformed upward as viewed in FIG. 11 (b) to secure a space through which the side pin 15a can pass. After the side pins 15a are fully inserted into the through holes 57, the force that elastically deforms the second support portion 54 is removed so that the concave groove portion 54a of the second support portion 54 becomes a side pin ( It is to be pressed against the outer circumferential surface of 15a).

Although the adapter of the wiper blade according to the present invention was described with reference to the illustrated drawings as described above, the present invention is not limited to the embodiments and drawings described above, in the technical field to which the present invention belongs within the claims Of course, various modifications and variations can be made by those skilled in the art.

According to the present invention as described above, by improving the structure of the adapter to facilitate the coupling between the adapter and the wiper arm when replacing the wiper blade, the wiper that can be coupled to the wiper arms of various shapes and sizes Adapters of the blades are provided.

Claims (9)

An adapter of a wiper blade, coupled to a bracket formed on the wiper blade, to connect the wiper blade to the wiper arm, The adapter is composed of a body is formed with a coupling groove coupled to the bracket, and a pair of side wall parts integrally connected to each other by the body, Each of the side wall portions includes a fixing protrusion which is formed to protrude inwardly to fix the wiper arm, and a recess which is formed by concave depression of an opposite surface of the portion where the fixing protrusion is formed, And the body includes a second support portion extending from the coupling groove in the other direction, and each of the side wall portions includes a through hole. The method according to claim 1, The body includes a first support portion formed extending in one direction from the engaging groove, each of the side wall portion comprises an upper guide for guiding the engagement of the wiper arm. delete delete The method according to claim 1, And the concave groove portion having a shape corresponding to that of the side pin of the side pin type wiper arm is formed in the second support portion so as to more reliably maintain the engagement state of the side pin type wiper arm. The method according to any one of claims 1, 2 and 5, Each said side wall part has a rotation control part which protrudes outward from the center of an upper end, and defines the angle which can be rotated in the state in which said adapter was couple | bonded with a wiper blade. An adapter of a wiper blade, coupled to a bracket formed on the wiper blade, to connect the wiper blade to the wiper arm, The adapter is composed of a body is formed with a coupling groove coupled to the bracket, and a pair of side wall parts integrally connected to each other by the body, The body includes a first support portion extending in one direction from the coupling groove, and a second support portion extending in the other direction so as to be elastically deformable. Each of the side wall portions may include a fixing protrusion formed to protrude inwardly to fix the wiper arm, a recess formed by concave recesses on the opposite surface of the portion where the fixing protrusion is formed, and a hook-type wiper arm. And a through hole to which the guide upper and lower guides and the side pin type wiper arm are coupled. The method according to claim 7, Each said side wall part has a rotation control part which protrudes outward from the center of an upper end, and defines the angle which can be rotated in the state in which said adapter was couple | bonded with a wiper blade. The method according to claim 7 or 8, And the concave groove portion having a shape corresponding to that of the side pin of the side pin type wiper arm is formed in the second support portion so as to more reliably maintain the engagement state of the side pin type wiper arm.

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