JP2517147Y2 - Wiper device with integrated washer nozzle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a washer-nozzle-integrated wiper device in which a washer nozzle and a blade supporting member are integrally fixed, and in particular, the washer nozzle is built into the blade supporting member. The present invention also relates to a washer-nozzle-integrated wiper device in which the landing point of the washer liquid is variable.

[Prior Art] Conventionally, this type of washer-nozzle-integrated wiper device has been shown in FIG. 5 or FIG.

In the conventional device shown in FIG. 5, the wiper device 100 is
An arm member 10 whose base end is rotationally driven by a wiper motor and a link mechanism (not shown), a blade support member 20 rotatably provided at the tip of this arm member 10, and a rubber blade member for wiping the glass surface. 30, a plurality of yoke members 40 holding the blade member 30 and rotatably attached to the blade supporting member 20, and a washer nozzle 50 for injecting the cleaning liquid toward the glass surface by a washer motor (not shown). It is configured.

In this device, the washer nozzle
The numeral 50 is fixed to the upper plate 22 of the frame constituting the blade supporting member 20 by a plurality of screws a.

Further, in the conventional device shown in FIG. 6, the washer nozzle 50 has a mounting protrusion b extending from the lower end thereof inserted into a hole provided in the upper plate 22 and is heat-crimped from below the upper plate 22 to cause the above-mentioned The mounting projection b is fixed by deforming it into a rivet shape.

[Problems to be Solved by the Invention] The conventional washer-nozzle-integrated wiper device shown in FIG. 5 or 6 has the following problems.

When fixing the washer nozzle 50 with screws or caulking, the fixing work in any of the means involves multiple steps, and therefore the work of attaching the washer nozzle 50 is complicated and the work efficiency is poor, and also in terms of cost. It is a disadvantage.

In the above-mentioned conventional example, all the washer nozzles 50 are mounted outside the blade supporting member 20, and the washer nozzle 50 itself and the screw a for mounting the washer nozzle 50 are exposed. The appearance is spoiled. In particular, in recent years, users tend to attach importance to the design of the vehicle body or its accessories, and from this point as well, it is desired to attach the washer nozzle and its accessories as inconspicuously as possible.

Further, there is a problem that wind noise is generated due to the exposed portion of the washer nozzle while the vehicle is traveling.

In the conventional example shown in FIG. 5 and FIG. 6, the spray angle of the washer nozzle 50 is constant, the landing point of the cleaning liquid on the windshield is constant, and the type of sports type or sedan type is used. As described above, different vehicle types with different optimal landing points are handled by separately providing washer nozzles for each vehicle type, which is not versatile and increases cost. .

On the other hand, as shown in FIG. 7, a washer nozzle 52 having a so-called jet, which is a so-called jet, is provided on the vehicle body. The washer nozzle 52 has a variable angle. It is also known that the points are variable and have versatility, but in this case it becomes relatively large because the spherical injection port 54 is built in, which makes the washer nozzle inconspicuous,
In addition, there is a problem that it is against the request to prevent the generation of wind noise.

Therefore, the present invention allows the washer nozzle to be mounted with excellent workability and at low cost, does not require a fastening member such as a screw, has an excellent appearance, and can prevent wind noise from being generated. It is an object of the present invention to provide a washer-nozzle-integrated wiper device capable of changing the landing point of the washer nozzle according to the above, and reducing the cost.

[Means for Solving the Problems] The present invention has been made to solve the above problems, and in a washer-nozzle-integrated wiper device in which a washer nozzle is integrally fixed to a blade supporting member, the washer nozzle is A nozzle mounting member fixed to an inside of a frame forming the blade supporting member, the nozzle mounting member having an engaged portion elastically engaged with an engaging portion provided on the blade supporting member; A washer nozzle main body which is rotatably mounted in the frame about an axis along the length direction of the frame and is positionable at a predetermined rotation position by a positioning means. .

[Operation] In the device having the above configuration, since the engaging portion of the blade supporting member and the engaged portion of the washer nozzle are elastically engaged to connect and fix the both, the washer nozzle is attached to the blade supporting member. It can be mounted easily with one touch, and the assembly work can be performed extremely efficiently.

Further, in the present invention, the engaging portion or the engaged portion is constituted by a protrusion or a hole, and a compact design is possible as compared with a screw or caulking, and therefore, both engaging portions are inconspicuous from the outside. It is possible to set with, and it becomes smart in appearance, and there are no extra protrusions, and the generation of wind noise is prevented.

Further, by making the washer nozzle main body rotatable with respect to the nozzle mounting member, the landing point of the cleaning liquid on the windshield can be set to the optimum position according to each vehicle type such as sports type or sedan type.

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

FIG. 1 is a view showing a washer-nozzle-integrated wiper device according to an embodiment of the present invention. FIG. 1 (A) is a partial plan view thereof, and FIG. 1 (B) is a partial front view thereof.

First, the overall configuration of the wiper device 100 will be described.

The wiper device 100 includes an arm member 10, a blade support member 20 and a blade member 3 provided at the tip of the arm member 10.
0, a plurality of connecting members 80 for connecting the blade supporting member 20 and the blade member 30 and a plurality of yoke members 40, and a washer nozzle 60 provided on the blade supporting member 20.

The arm member 10 is connected at its base end to a link rod (not shown) that converts the rotational output of a wiper motor (not shown) into reciprocating motion, and the blade support member 20 is connected to the tip end thereof via a clip 12.

The blade supporting member 20 is configured to be rotatable by connecting the side plates 24a, 24b of the frame constituting the blade supporting member 20 and the pair of mounting pieces 12a, 12b of the clip 12 at the central portion thereof by pin coupling. . Further, the side plate 24a of the blade supporting member 20 is provided with a pipe hole 24c for introducing the cleaning liquid pipe 70 into the frame forming the blade supporting member 20. And this pipe hole 24c
A washer nozzle 60, which will be described in detail later, is attached and fixed to both sides of the. Further, the upper plate 22 constituting the blade supporting member 20 is provided with a plurality of punched holes 28 in order to reduce the weight of the blade supporting member 20.

The blade member 30 is supported and fixed to the blade supporting member 20 by a so-called three-stage tournament method by two pairs of connecting members 80 (only one pair is shown) and a pair of yoke members 40. That is, the blade member 30 is fixed at both ends of each connecting member 80, and each connecting member 80 is rotatably fixed to the end of each yoke member 40 at the center thereof.

Next, the washer nozzle 60, which is the main part of this embodiment, will be described.

2A and 2B are views showing the structure of the washer nozzle 60. FIG. 2A is a plan view thereof, FIG. 2B is a front view thereof, and a partial sectional view showing a state of attachment to the blade supporting member 20. Figure (C) is its left side view, and Figure (D) is its right side view.
FIG. 6E is a perspective view of the washer nozzle.

The washer nozzle 60 includes a washer nozzle body 62,
A nozzle mounting member that mounts and holds this washer nozzle body 62 inside the frame that constitutes the blade supporting member 20.
Prepared separately from 61.

The washer nozzle body 62 includes a nozzle portion 63, a pipe connecting portion 68, and a mounting portion 65 to the nozzle mounting member 61.

The nozzle portion 63 has a generally V-shaped side surface, and when the washer nozzle 60 is attached to the blade support member 20, the tip of the nozzle portion 63 is in a predetermined direction, and in the case of this embodiment, in FIG. 1 (A). The wiper device 100 is attached so as to face the starting direction indicated by the arrow.

The pipe connecting portion 68 has a cylindrical shape and is provided on one side of the nozzle portion 63 so as to project in parallel with the blade supporting member 20, and the tip of the pipe connecting portion 68 facilitates mounting of the cleaning liquid pipe 70 and prevents its falling. Therefore, it has a tapered shape.

Further, as shown in FIG. 1 (B), the cleaning liquid pipe 70 introduced into the blade supporting member 20 through the pipe hole 24c is
The pipe is branched into two in the middle, and the ends of the branched pipes are attached to the pipe connecting portions 68 of the washer nozzle body 62.

A passage P for passing the cleaning liquid is formed in the pipe connecting portion 68 and the nozzle portion 63, and the passage P branches at the tip of the nozzle portion 63 to form branch passages P1 and P2.

The mounting portion 65 has a cylindrical shape, and is in a state of being projected and formed on the extension line of the pipe connecting portion 68 on the other side of the nozzle portion 63.

Further, on the outer peripheral surface of the mounting portion 65, serrations 67 are formed as positioning means for enabling the washer nozzle body 62 to be positioned at a predetermined rotation position.

The nozzle mounting member 61 is fixed inside the blade support member 20, and the washer nozzle body 62 is attached to the blade support member 20.
The nozzle holding portions 64 and 66 formed on both sides of the frame are attached so as to be rotatable about the axis and along the length direction of the frame that constitutes the nozzle holding portion.
The first engaged claw C1 and the second engaged claw C2 formed on each of 64 and 66 are provided.

The nozzle holding portions 64 and 66 are provided on both upper sides of the nozzle portion 63 so as to face each other with the nozzle holding portions sandwiched therebetween. Further, one nozzle holding portion 64 is formed with a through hole 71 for holding the pipe connecting portion 68 therethrough, and the other nozzle holding portion 64 is formed.
A mounting hole 72 for inserting and holding the mounting portion 65 is formed in the 66. Further, on the inner peripheral surface of the mounting hole 72 of the nozzle holding portion 66, there is formed a serration 73 which engages with the serration 67 formed on the outer peripheral surface of the mounting portion 65 and positions the nozzle portion 63 at a predetermined angle.

A first engaged claw C1 as an engaged portion is provided on the upper surface of the one nozzle holding portion 64. The first engaged claw C1 is composed of a hook-shaped claw facing outward. A second engaged claw C2 is provided on the side surface of the other nozzle holding portion 66. Then, this second engaged claw
C2 includes a curved elastic foot portion C20 and a hook-shaped claw C22 provided at the tip of the elastic foot portion C20 and facing outward.

On the other hand, in the blade supporting member 20, FIG.
As shown in, the long hole 26
Are formed. The first engaged claw C1 and the second engaged claw C2 of the nozzle mounting member 61 are provided at both ends of the elongated hole 26.
Engaging protrusions 22a and 2 as engaging portions.
2b are formed respectively. In the case of the present embodiment, the elongated hole 26 is simultaneously press-formed when forming the punched hole 28 formed to reduce the weight of the blade supporting member 20.

Further, in the present embodiment, the engaged claws C1 and C2 of the nozzle mounting member 61 connect the washer nozzle 60 to the blade supporting member 20.
Mounted on the blade support member 20
The washer nozzle 60 can be mounted almost hidden inside the frame of the blade supporting member 20 by aligning with the upper surface of the upper plate or lower than the upper plate.

 Next, the operation of this embodiment will be described.

When mounting the washer nozzle 60 on the blade supporting member 20, first, the washer nozzle body 62 is mounted on the nozzle mounting member 61.

In this case, the pipe connecting portion 68 of the washer nozzle body 62
The side can be easily held by penetrating to the through hole 71 formed in the nozzle holding portion 64 of the nozzle mounting member 61, and the mounting portion 65 side can be inserted into the mounting hole 72 for easy integration.

Next, in the integrated state as described above, while bending the second engaged claw C2 of the nozzle mounting member 61 inward at its elastic foot C20, the engaged claws C1 and C2 are moved to the blade supporting member. Face the elongated hole 26 from below 20 and engage these engaged claws.
C1 and C2 are engaging protrusions 22a and 22b of the blade supporting member 20.
Are respectively engaged with. Therefore, in this embodiment, the nozzle mounting member 61 and the washer nozzle 60 can be easily mounted on the blade supporting member 20 by one-touch operation.

Then, the mounted nozzle mounting member 61 is stably engaged and fixed to the engaging protrusions 22a and 22b of the blade supporting member 20 by the elasticity of the engaged claws C1 and C2.

Further, in this mounted state, the washer nozzle main body 62 is laterally displaced to temporarily disengage the mounting hole 72 from the mounting portion 65, and the angle of the nozzle portion 63 is adjusted so that a landing point according to the vehicle type can be obtained. By adjusting, the optimum landing point of the cleaning liquid can be easily obtained.

Further, in this embodiment, since the washer nozzle 60 is mounted in a state of being housed inside the frame of the blade supporting member 20, unlike the conventional device in which the washer nozzle is mounted on the upper plate 22 of the blade supporting member 20, the washer is different. The nozzle 60 is barely noticeable from the outside, and is extremely excellent not only in terms of function but also in design. Furthermore, it is possible to prevent wind noise due to the exposed portion of the washer nozzle when the vehicle is running.

Although one embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made within the scope of the gist of the invention.

For example, if the connection between the blade support member and the nozzle mounting member is achieved by elastically engaging the engaging portion provided on the blade supporting member and the engaged portion provided on the nozzle mounting member. Well, for example, there are modifications as shown in FIGS. 3 and 4. The members shown in FIGS. 3 and 4 which are the same as those in the embodiment shown in FIG. 2 are designated by the same reference numerals, and detailed description thereof will be omitted.

In the embodiment shown in FIG. 3, the blade support member 20
This embodiment is different from the above-described embodiment in that the engaging portions are not formed with hook-shaped engaging protrusions 22a and 22b but engaging protrusions 22c and 22d having engaging holes h1 and h2, respectively. Therefore, in this example, the engaged claws C1 and C2 of the nozzle mounting member 61 are inserted into the engagement holes h1 and h2 of the engagement protrusions 22c and 22d, respectively, so that the engagement of the two is performed.

Further, in the embodiment shown in FIG. 4, the engaged portion of the nozzle mounting member 61 is not the hooked engaged claws C1 and C2, but the engaged projections C3 having the engaging claws h3 and h4, respectively. C4, the engagement protrusions 22a and 22b of the blade support member 20 are inserted into the engagement holes h3 and h4 of the engaged protrusions C3 and C4, respectively, to achieve engagement between the two. .

In the above embodiment, the washer nozzle body
As an angle positioning means for 62, a mounting portion 65 and a mounting hole
Although the serrations 67 and 73 formed on the 72 are used, the present invention is not limited to this example, and a protrusion formed on one side and a plurality of positioning holes formed on the other side may be used, or a tapered surface may be used. Various positioning means such as fitting positioning by can be adopted.

[Effects of the Invention] As described above, according to the present invention, the washer nozzle can be attached to the blade supporting member with one touch, and the installation work can be significantly labor-saving. It is advantageous.

Further, it is possible to install the washer nozzle inconspicuously inside the frame of the blade supporting member without requiring an accessory such as a screw, which is also excellent in appearance.

Further, the washer nozzle is mounted inside the frame of the blade supporting member, and it is possible to eliminate unnecessary protrusions to the outside, and it is also possible to prevent wind noise while the vehicle is traveling.

Furthermore, by rotating the washer nozzle body with respect to the nozzle mounting member, the landing point of the cleaning liquid on the windshield can be set to the optimum position according to each vehicle type such as sports type or sedan type, and as a result, various The versatility with respect to the vehicle type is enhanced, and the manufacturing cost can be kept low.

[Brief description of drawings]

FIG. 1 shows the overall construction of a washer-nozzle-integrated wiper device according to an embodiment of the present invention. FIG. 1 (A) is a plan view thereof, FIG. 1 (B) is a front view thereof, and FIG. 2 is a washer. FIG. 1A shows a plan view of the nozzle, and FIG. 1B shows a front view showing a state in which the washer nozzle is attached to the blade support member. FIG. 2C shows the left side of the washer nozzle. FIG. 3D is a right side view, FIG. 3E is a perspective view of a washer nozzle, FIG. 3 is a partial sectional view showing another embodiment of the present invention, and FIG. FIG. 5 is a partial sectional view showing still another embodiment, FIG. 5 is a perspective view showing a mounted state of a washer nozzle in a conventional washer-nozzle integrated wiper device, and FIG. 6 is a washer in another conventional washer-nozzle integrated wiper device. How to install the nozzle To partial cross-sectional view, FIG. 7 is a perspective view showing a conventional injection angle possible washer nozzles. 10 …… Arm member 20 …… Blade support member 22a, 22b …… Engagement protrusion 30 …… Blade member 40 …… Yoke member 60 …… Washer nozzle 61 …… Nozzle mounting member 62 …… Washer nozzle body 63 …… Nozzle Parts 67, 73 ... Serrations C1, C2 ... Engaged claws

Claims (1)

(57) [Scope of utility model registration request] 1. A washer-nozzle-integrated wiper device in which a washer nozzle is integrally fixed to a blade supporting member, wherein the washer nozzle elastically engages with an engaging portion provided in the blade supporting member. A nozzle mounting member having a joint portion and fixed inside a frame that constitutes the blade supporting member; and a center of an axial center in the frame along the length direction of the frame via the nozzle mounting member. A washer nozzle main body, which is rotatably mounted and is positionable at a predetermined rotation position by a positioning means, and a washer nozzle integrated wiper device.