JP4042346B2 - Fin mounting adapter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fin mounting adapter that enables fins to be mounted without special processing of a wiper arm.
[0002]
[Prior art]
In order to prevent the wiper arm from lifting when an automobile or the like travels at a high speed, fins may be attached to the wiper arm. Conventionally, for example, as described in Japanese Utility Model Laid- Open No. 58-126556, the fin is attached by providing an insertion hole in the wiper arm and inserting a screw therethrough and fixing the fin with the screw. It was broken.
[0003]
[Problems to be solved by the invention]
However, in the conventional method for drilling in this way, there is a problem that it takes man-hours to attach the fins, and even if touch-up is performed on the drilled part of the insertion hole, the part is easily rusted.
[0004]
In addition, since the wiper arm itself is processed, when the owner of the car wants to remove the fin once attached, the trace remains on the wiper arm, and the fin itself helps to further secure the view in the rain. Even if it is a thing, the owner etc. may become passive in the attachment.
[0005]
The present invention has been made in view of the above circumstances, makes it possible to easily attach the fin to the wiper arm, and prevent the wiper arm from being rusted due to the attachment of the fin. An object of the present invention is to provide a fin mounting adapter that does not leave traces of the mounting on the wiper arm.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 is provided with an engagement portion that is engaged with a wiper arm having a bent portion and is fixed to the wiper arm, and a fin for preventing the wiper arm from being lifted. possess a fin attachment portion attached, the engaging portion has a connecting surface for connecting the parallel upper surface portion and lower surface portion to each other, and the bent so as to contact the bent portion the upper surface and said lower surface portion The connecting surface portion is engaged with the wiper arm and fixed to the wiper arm so that the upper surface portion and the lower surface portion sandwich the wiper arm while being positioned in contact with the bent portion. characterized in that that.
[0007]
According to the first aspect of the present invention, since the fin mounting adapter has the engaging portion that engages with the wiper arm and is fixed to the wiper arm, and the fin mounting portion to which the fin is mounted, the fin is directly attached to the wiper arm. Can be attached via the fin attachment adapter. At this time, since the engaging portion is fixed to the wiper arm by simple engagement, it is not necessary to make a hole in the wiper arm, and the attachment of the fin to the wiper arm can be simplified and accompanied by the attachment of the fin. It is possible to prevent the wiper arm from rusting and the attachment marks.
In addition, since the connecting surface portion is positioned in contact with the bent portion, the wiper arm is engaged and fixed to the wiper arm so as to sandwich the wiper arm between the upper surface portion and the lower surface portion. It can prevent the wiper arm from coming off.
[0008]
According to a second aspect of the present invention, in the fin mounting adapter according to the first aspect, the fin mounting portion is provided so as to be adjustable in angle with respect to the engaging portion.
[0009]
According to the invention of claim 2, since the fin mounting portion is provided so that the angle of the fin mounting portion can be adjusted with respect to the engaging portion, the mounting angle of the fin with respect to the wiper arm can be easily adjusted. Can be used for various types of vehicles.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described with reference to the drawings.
[0011]
1 to 5 show a fin mounting adapter according to the present invention. This fin mounting adapter 1 has an upper surface portion 2 and a lower surface portion 3 that are substantially parallel to each other, and a connecting surface portion 4 that connects these front edge portions 2a and 3a, and has a U-shaped cross section. Further, the abutting piece 5 is integrally formed on the lower surface portion 3, and the upper surface portion 2, the lower surface portion 3, and the connecting surface portion 4 constitute the engaging portion 6, and the lower surface portion 3 and the abutting piece portion 5 are attached to the fins. Part 7 is configured.
[0012]
The connecting surface portion 4 is bent at the bent portion 4a. Here, for convenience of explanation, the connecting surface portion 4 is divided into a first connecting surface portion 8 and a second connecting surface portion 9 with the bent portion 4a as a boundary. The upper surface portion 2 and the lower surface portion 3 have shapes bent according to the bending of the connecting surface portion 4, and the upper surface portion 2 and the lower surface portion 3 are respectively provided with slits 2c and slits for processing into such bent shapes. 3c is formed.
[0013]
On the rear edge side of the upper surface portion 2, an insertion hole 10 is formed at a position corresponding to the first connection surface portion 8, and an insertion hole 11 is formed at a position corresponding to the second connection surface portion 9. At a position corresponding to the first connecting surface portion 8 on the front edge side of the upper surface portion 2, a groove-shaped opening 12 having a deepest portion formed in a semicircular arc shape is provided.
[0014]
On the rear edge side of the lower surface portion 3, screw holes 13 and 14 are formed by burring the positions facing the insertion holes 10 and 11. Further, a contact portion 15 is formed on the lower surface portion 3 so as to protrude downward, and a groove-shaped opening 16 is provided in the contact portion 15 so as to face the opening 12. The deepest portion of the opening 16 is formed in a semicircular arc shape having a smaller diameter than the deepest portion of the opening 12, and the opening 16 can be seen through the opening 12 when the engaging portion 6 is viewed in plan view (FIG. 1). reference).
[0015]
The contact piece portion 5 extends downward from the side edge of the lower surface portion 3 on the second connecting surface portion 9 side. The lower surface 5 a of the contact piece 5 and the lower surface 15 a of the contact portion 15 are in the same plane and are slightly inclined with respect to the upper surface 2. An insertion hole 17 is formed in the contact piece 5 so as to penetrate the lower surface 5a.
[0016]
In order to attach a fin to the wiper arm using the fin attachment adapter 1, first, the fin is screwed to the lower surface portion 3 and the contact piece portion 5 of the fin attachment adapter 1. As shown in FIGS. 6 and 7, the fin 18 includes a fin main body 19 that is inclined rearward and a mounting portion 20 provided on the back surface 19 a side of the fin main body 19. Screw holes 21 and 22 are provided. In a state where the lower surface 5 a of the contact piece 5 and the lower surface 15 a of the contact portion 15 are brought into contact with the upper surface 20 a of the mounting portion 20, the insertion hole 17 is superimposed on the screw hole 21, and the opening 16 is superimposed on the screw hole 22. The fins 18 are attached to the fin attachment adapter 1 by screwing the screws 23 into the screw holes 21 and 22. Here, since the opening 16 can be seen from above through the opening 12, the upper surface portion 2 does not get in the way when the screw 23 is inserted into the opening 16, and the head 23a of the screw 23 screwed is shown in FIG. As shown in an enlarged view in FIG. 9, it does not protrude upward from the reference surface S including the inner surface 3 b of the lower surface portion 3.
[0017]
Next, the fin attachment adapter 1 to which the fins 18 are attached is attached to a wiper arm 24 having a bent portion 24a as shown in FIG. Specifically, the engaging portion 6 is positioned so that the upper surface portion 2 and the lower surface portion 3 sandwich the wiper arm 24 from above and below, and the bent portion 4a of the connecting surface portion 4 is positioned in contact with the bent portion 24a. Is engaged with the wiper arm 24 from the front (FIG. 10A), and the front surfaces 25 and 26 of the wiper arm 24 (in FIG. 10A, on the front surface of the left portion with the bent portion 24a of the wiper arm 24 as a boundary). In the state where the first connecting surface portion 8 and the inner surfaces 8a, 9a (see FIG. 2) of the second connecting surface portion 9 are in contact with the front surface of the right portion, the reference numeral 25 is attached to the front surface of the right portion. The attached screw 28 is inserted into the insertion holes 10 and 11 and screwed into the screw holes 13 and 14 (FIG. 10B). As a result, the fin mounting adapter 1 is fixed to the wiper arm 24 and the fin 18 is attached to the wiper arm 24 (FIG. 10C). At this time, the screws 28 are rear surfaces 29, 30 (rear surface 29) of the wiper arm 24. , 30 correspond to the front surfaces 25, 26, respectively), and come close to or contact with each other, and the fin mounting adapter 1 is prevented from coming off from the wiper arm 24.
[0018]
In this fin mounting adapter 1, since the engaging portion 6 that is engaged and fixed to the wiper arm 24 and the fin mounting portion 7 to which the fin 18 is attached are provided, the fin 18 is directly attached to the wiper arm 24. It can be attached via the fin attachment adapter 1 without being attached. At this time, the engaging portion 6 is simply engaged (in this embodiment, “engagement” means that the engaging portion 6 is fitted to the wiper arm 24 or is further screwed after the fitting. For example, even if the engaging portion is attached to the wiper arm 24 in an attachment manner or attached, it is included in the “engagement” in the present application. Since it is fixed to the wiper arm 24, it is not necessary to make a hole in the wiper arm 24, the attachment of the fin 18 to the wiper arm 24 can be simplified, the rust of the wiper arm 24 accompanying the attachment of the fin 18 and its Installation traces can be prevented.
[0019]
FIG. 11 is an exploded perspective view showing another fin mounting adapter according to the present invention. The fin mounting adapter 31 has an engaging portion 32 and a fin mounting portion 33 as separate bodies.
[0020]
The engaging portion 32 includes an upper surface portion 34 and a lower surface portion 35 that are parallel to each other, and a connecting surface portion 36 that connects these front edge portions. The connecting surface portion 36 is bent at the bent portion 36a. When the connecting surface portion 36 is divided into a first connecting surface portion 37 and a second connecting surface portion 38 with the bent portion 36a as a boundary, an insertion hole is formed in the first connecting surface portion 37. 39 and 40 are provided.
[0021]
Insertion holes 41 and 42 are formed on the rear edge side of the upper surface portion 34. On the rear edge side of the lower surface portion 35, screw holes 43 and 44 are formed by burring the positions facing the insertion holes 41 and 42. Both left and right end portions of the lower surface portion 35 have a constricted shape so that the insertion holes 39 and 40 can be accessed from below the engaging portion 32 and from the inner surface 36b (see FIG. 12) side of the connecting surface portion 36. It has become.
[0022]
The fin attaching part 33 is comprised by the contact parts 45 and 46 and the connection part 47 which connects these. Insertion holes 48 and 49 are formed in the contact portions 45 and 46, respectively, and the lower surface 45a of the contact portion 45 and the lower surface 46a of the contact portion 46 are in the same plane. The front edge of the contact portion 45 is provided with a standing piece 50 that stands up with respect to the contact portion 45, and the front edge of the connecting portion 47 is provided with a standing piece 51 that stands up with respect to the connecting portion 47. 50 is provided with an insertion hole 52, and the upright piece 51 is provided with a long hole 53 extending in the vertical direction. The insertion hole 52 is overlapped in front of the insertion hole 39, and a rivet 54 is inserted into the insertion hole 39, and the elongated hole 53 is overlapped in front of the insertion hole 40, and a screw 56 with a spring washer 55 is inserted through them. A nut 57 is fastened to the screw 56 from the rear (FIG. 13).
[0023]
In order to attach the fin 18 to the wiper arm 24 using the fin attachment adapter 31, first, the lower surfaces 45 a and 46 a of the contact portions 45 and 46 are brought into contact with the upper surface 20 a of the attachment portion 20, and With the insertion hole 48 overlapped with the screw hole 22, the screw 23 is screwed into the screw holes 21 and 22, and the fin 18 is attached to the fin attachment adapter 31.
[0024]
Next, the engaging portion 32 is positioned so that the upper surface portion 34 and the lower surface portion 35 sandwich the wiper arm 24 from above and below, and the bent portion 36a of the connecting surface portion 36 is positioned in contact with the bent portion 24a. The wiper arm 24 is engaged from the front. Then, with the inner surfaces of the first connecting surface portion 37 and the second connecting surface portion 38 being in contact with the front surfaces 25 and 26 of the wiper arm 24, the screws 28 with the washer springs 27 are inserted into the insertion holes 41 and 42, respectively. Thus, the fin mounting adapter 31 is fixed to the wiper arm 24 and the fin 18 is attached to the wiper arm 24.
[0025]
Subsequently, in a state where the screw 56 and the nut 57 are loosened, the fin mounting portion 33 is brought into the engaging portion 32 while the outer surface 37a of the first connecting surface portion 37 and the rear surfaces 50a, 51a of the upright pieces 50, 51 are slidably contacted. On the other hand, the rivet 54 is rotated as a fulcrum, and the screw 56 and the nut 57 are tightened after adjusting the attachment angle of the fin 18 to the wiper arm 24. The screw 56 and the nut 57 can be easily tightened because the lower surface portion 35 is constricted as described above, and this is the same when the rivet 54 is caulked.
[0026]
In the fin mounting adapter 31, the fin mounting portion 33 is provided so that the angle of the fin mounting portion 33 can be adjusted with respect to the engaging portion 32, so that the mounting angle of the fin 18 with respect to the wiper arm 24 can be easily adjusted as described above. The fin mounting adapter can be flexibly adapted to various vehicle types.
[0027]
【The invention's effect】
As described above, according to the first aspect of the present invention, the fin mounting adapter has the engaging portion that engages with the wiper arm and is fixed to the wiper arm, and the fin mounting portion to which the fin is mounted. Instead of attaching the fin directly to the wiper arm, the fin can be attached via an adapter for attaching the fin. At this time, since the engaging portion is fixed to the wiper arm by simple engagement, it is not necessary to make a hole in the wiper arm, and the attachment of the fin to the wiper arm can be simplified, and the attachment of the fin is accompanied. It is possible to prevent the wiper arm from rusting and the attachment marks.
According to the first aspect of the present invention, the connecting surface portion is engaged with the wiper arm and fixed to the wiper arm so that the upper surface portion and the lower surface portion sandwich the wiper arm while being positioned by contacting the bent portion. Therefore, the fin mounting adapter can be prevented from coming off from the wiper arm.
[0028]
According to the invention of claim 2, since the fin mounting portion is provided so that the angle of the fin can be adjusted with respect to the engaging portion, the mounting angle of the fin with respect to the wiper arm can be easily adjusted. Adapters can be used for various types of vehicles.
[Brief description of the drawings]
FIG. 1 is a plan view showing a fin mounting adapter according to the present invention.
2 is a rear view showing the fin mounting adapter of FIG. 1. FIG.
3 is a bottom view showing the fin mounting adapter of FIG. 1; FIG.
4 is a cross-sectional view taken along the line AA in FIG. 1. FIG.
5 is a cross-sectional view taken along line BB in FIG.
6 is a plan view showing a state where fins are attached to the fin attachment adapter of FIGS. 1 to 5; FIG.
7 is a rear view showing a state where fins are attached to the fin attachment adapter of FIGS. 1 to 5; FIG.
8 is an enlarged cross-sectional view taken along the line CC of FIG.
9 is an enlarged cross-sectional view taken along line DD of FIG.
10A shows a state where the fin mounting adapter with the fins shown in FIGS. 6 and 7 is fitted to the wiper arm, and FIG. 10B shows a state where a screw with a washer spring is inserted after the fitting. (C) is explanatory drawing which shows a mode that attachment to the wiper arm of the fin was completed by the screwing.
FIG. 11 is an exploded perspective view showing another example of the fin mounting adapter according to the present invention.
12 is a side view showing an engaging portion of the fin mounting adapter of FIG. 11. FIG.
13 is a perspective view showing a state in which the engagement portion and the fin attachment portion of the fin attachment adapter of FIG. 11 are combined. FIG.
[Explanation of symbols]
1,31 Adapter for fin attachment 6,32 Engagement part 7,33 Fin attachment part 18 Fin 24 Wiper arm

Claims (2)

An engaging portion fixed to the wiper arm engages a wiper arm having a bent portion, and a lift fin mounting portion fin is attached to prevent the wiper arms possess,
The engaging portion includes an upper surface portion and a lower surface portion that are parallel to each other, and a connecting surface portion that is bent to contact the bent portion and connects the upper surface portion and the lower surface portion, and the connecting surface portion is the bent portion. A fin mounting adapter characterized in that the wiper arm is engaged and fixed to the wiper arm so as to sandwich the wiper arm between the upper surface portion and the lower surface portion while being positioned in contact with a portion. .   The fin mounting adapter according to claim 1, wherein the fin mounting portion is provided so as to be adjustable in angle with respect to the engaging portion.

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