KR101468476B1 - Driving structure of window brush for vehicle - Google Patents

Abstract

The present invention relates to an operation device for a vehicle window brush which enables a driver to safely drive a vehicle by securing a driver′s view because the cleaning area of a brush on a window is formed in a rectangular shape and maximized by a simple structure and low costs. The operation device for a vehicle window brush comprises: a first driving rod part which directly receives a rotational force from a wiper motor part to one end and rotates from left to right; a rotational angle adjusting part which has one end connected to the other end of the first driving rod part, and adjusts the rotation angle of the first driving rod part; and a second driving rod part which has one end connected to the other end of the rotational angle adjusting part and allows a wiper blade part to be installed in the other end thereof. Therefore, the present invention maximizes the cleaning area to be close to a rectangular shape, and enables the driver to safely drive the vehicle by securing the view of the driver.

Description

Technical Field [0001] The present invention relates to a window driving device,

[0001] The present invention relates to a brush driving apparatus for securing a vision of a driver of a moving vehicle, and more particularly, to a brush driving apparatus which uses a low cost and simple configuration to form a cleaning area of a window for a brush, And more particularly, to a vehicular window brush driving apparatus which secures a wide field of view of a driver to ensure safe driving.

Vehicles or vehicles have been developed to satisfy the human need to move comfortably, fast and securely through the ground between specific points and points and to control the direction, speed, and stop of movement by the driver.

All the vehicles are provided with a partition structure isolated from the outside in order to protect the driver, the passenger, and the cargo from the surrounding environment caused by the movement and safely protect them, and a window is generally provided on the driver's seat for securing the driver's view.

The vehicle is provided with transparent glass windows on the front, rear, left and right sides in order to secure the visibility of the driver. When the glass window is moved, it may be contaminated by rain, snow, dust, wind, foreign matter, A window brush is provided, and a window brush can be provided on the rear window if necessary.

The vehicle window brush is driven by rotating a brush made of a rubber material attached to the outer surface of the windshield in a rotating state using a DC motor to rotate the left and right brushes repeatedly, It is a structure to clean or remove.

The conventional window brush driving structure of the prior art repeatedly rotates the window brush to the left and the right with the rotation axis of the DC-motor as a center, thereby forming a fan-shaped cleaning area in the window.

Since the cleaning area formed by the conventional window driving device has a fan shape, there is a problem that the driver can not provide a wide viewing area to the right and left and can not provide a wide viewing area up and down.

There is a "Wiper for a vehicle window" of Utility Model Registration No. 20-0353138 (June, 2004), which partially overcomes the problem of the conventional window driving device.

FIG. 1 is a functional block diagram of a vehicle window brush driving apparatus according to an embodiment of the present invention, and FIG. 2 is a driving state explanatory view of a vehicle window brush driving apparatus according to an embodiment of the prior art.

Hereinafter, the vehicle window brush driving apparatus will be described in detail with reference to the accompanying drawings. The vehicle window brush driving apparatus includes a lower wiper driving rod 10, an upper wiper driving rod 20, a control unit, and a blade rubber 40.

The lower wiper driving rod 10 and the upper wiper driving rod 20 are made of a metal material and are hinge-connected at one end thereof by a control unit, and at the other end of the lower wiper driving rod 10, And is axially coupled to the motor.

The lower wiper driving rod 10 and the upper wiper driving rod 20 are fixedly installed on the lower side of each of the lower wiper driving rod 10 and the upper wiper driving rod 20, respectively.

When the driver drives the apparatus to remove contaminants adhering to the outer surface of the windshield, the vehicle window brush rotates to the left by the driving force of the wiper motor as in the embodiment shown in FIG. 2, The lower wiper driving rod 10 and the upper wiper driving rod 20 hinged to each other are bent and bent to form a rectangular shape to form a cleaning area.

The vehicle window brush is turned to the right again by the driving force of the wiper motor and the hinge connection state of the lower wiper driving rod 10 and the upper wiper driving rod 20 bent in a right angle is straightened to form a cleaning area Repeat the process.

The prior art vehicle window brush has the advantage of cleaning a large area or area with a single brush.

However, according to the related art, the lower wiper driving rod 10 and the upper wiper driving rod 20 are simply hinge-coupled structures and do not have a configuration for straightening the wiper driving rod 10 when the wiper driving rod 10 moves to the left and moves to the right from the bent state.

Therefore, when the vehicle window brush rotates from the left to the right in the drawing due to the driving force of the motor, the lower wiper driving rod 10 and the upper wiper driving rod 20 are not straightened from the bent state, There is a problem that the upper wiper drive rod 20 and the blade rubber 40 are broken by the driving force of the wiper motor and the lower wiper blade 10 and the blade rubber 40 are damaged.

Further, there is a problem that the wiper motor is broken by the broken lower wiper drive rod 10 and the upper wiper drive rod 20. [

On the other hand, there is known an improved driving device in which a plurality of wiper driving rods are arranged in parallel to one another to form a cleaning area while repeatedly forming a rectangular shape and a rhombic shape as a whole. However, Remains.

Therefore, it is necessary to develop a vehicle window brush driving apparatus which is simple in driving structure, cheap in price, and free from damage.

Korea Utility Model Registration No. 20-0353138 (June, 2004) "Vehicle Window Wiper"

SUMMARY OF THE INVENTION It is an object of the present invention to overcome the above-mentioned problems of the prior art and to provide a vehicle window brush driving apparatus in which the structure of the driving apparatus is simple and the cleaning area is formed to be close to a rectangular shape while being cheap.

Another object of the present invention is to provide a window driving device for a vehicle in which a cleaning area is wide in a rectangular shape, but is simple in construction and has no trouble and can be quickly and easily maintained.

According to an aspect of the present invention, there is provided a vehicular window brush driving apparatus including a wiper motor unit, a wiper driving rod unit, and a wiper blade unit, The rod portion includes a first driving rod portion that is directly received at one end portion of the rotation driving force from the wiper motor portion and rotates to the left side and the right side; A rotation angle adjusting unit that is connected to one end of the first driving rod unit at the other end to adjust an angle at which the first driving rod unit rotates; A second driving rod portion having one end portion connected to the other end portion of the rotation angle adjusting portion and the wiper blade portion provided at the other end portion; . ≪ / RTI >

Wherein the vehicle window brush driving device includes a plurality of stopper portions provided at both edges of a window extending from an extended end of the second driving rod portion of the wiper driving rod portion and restricting movement of the wiper blade portion; As shown in FIG.

The rotation angle adjusting unit includes a first hinge coupling unit installed at the other end of the first driving rod unit and hinging through the first hinge hole and rotating; A rotation restricting projection extending from the first hinge coupling portion to restrict a rotation angle; A second hinge coupling part hinged to the first hinge coupling part and the second hinge hole to rotate; A hinge pin coupled to the first hinge hole through the second hinge hole to form a rotation axis of the hinge coupling; An elastic part inserted into the rotation shaft of the hinge pin and generating an elastic force by which the first hinge engagement part and the second hinge engagement part are in close contact with each other; And a fence part formed at one end of the second hinge coupling part and limiting a movement distance of the rotation limiting protrusion; Wherein one or more hinge protrusions are concentrically formed around the first hinge hole in which the first hinge engaging portion is in surface contact with the second hinge engaging portion and the second hinge engaging portion is formed concentrically with the first hinge engaging portion, One or more hinge recesses corresponding to the hinge protrusions may be formed on the same concentric circle around the second hinge holes in surface contact with the hinge engaging portion.

The fence includes a projection seating part on which the rotation restricting projection is seated; A first fence protruding from one side of the protrusion seating portion to restrict rotation of the protrusion restriction protrusion; And a second fence protruding from the other side of the projection seating portion to restrict rotation of the rotation limiting projection; And the protrusion receiving portion, the first fence, and the second fence may surround and protect the rotation restricting protrusion.

One or more rotation angle adjusting units may be provided.

The present invention having the above-described structure is advantageous in that the driver can operate safely because the configuration of the window brush driving device is simple and the price is low, and the cleaning area is formed wide in a rectangular shape to secure a wide operating view of the driver.

In addition, the present invention having the above-described structure can simplify and simplify the use of the window brush driving device because the configuration of the window brush driving device can be simplified, productivity can be enhanced, there is no trouble during use, and maintenance can be performed quickly in the event of a failure.

1 is a functional block diagram of a vehicle window brush driving apparatus according to an embodiment of the prior art.
FIG. 2 is a driving state view of a vehicle window brush driving apparatus according to an embodiment of the present invention.
3 is an explanatory diagram of a state in which a vehicle window brush driving apparatus according to an embodiment of the present invention is installed in a vehicle;
FIG. 4 is an overall explanatory view of a vehicle window brush driving apparatus according to an embodiment of the present invention;
5 is an assembled perspective view illustrating a detailed configuration of a rotation angle adjusting unit according to an embodiment of the present invention;
And
FIG. 6 is an explanatory view of an operating state of a vehicle window brush driving apparatus according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated in the drawings and will be described in detail in the detailed description. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the following description, the rotation and the rotation are used in the same meaning and the selection is appropriately used according to the context.

Fig. 3 is an explanatory view of a vehicle window brush driving apparatus according to an embodiment of the present invention installed in a vehicle, Fig. 4 is an explanatory diagram of the overall configuration of a vehicle window brush driving apparatus according to an embodiment of the present invention, 5 is an assembled perspective view illustrating a detailed configuration of a rotation angle adjusting unit according to an embodiment of the present invention, and FIG. 6 is an explanatory view of an operating state of a vehicle window brush driving apparatus according to an embodiment of the present invention.

Hereinafter, the vehicle window brush driving apparatus 700 includes a wiper motor unit 100, a wiper driving rod unit 200, and a wiper blade unit 300.

Since the wiper motor unit 100 repeatedly generates a turning driving force of a left turn and a right turn at a predetermined angle and is generally well known, And rotates the vehicle window brush driving apparatus 700 installed and connected to the left or right.

The wiper driving rod unit 200 has a rotary shaft (rotary shaft) of the wiper motor unit 100 fixed to one end of the wiper driving rod unit 200 and repeats a leftward rotation and a rightward rotation around the rotary shaft by the rotation driving force of the wire motor unit 100 .

The wiper driving rod unit 200 includes a first driving rod unit 1000, a rotation angle adjusting unit 2000, and a second driving rod unit 3000.

The first driving rod portion 1000 has one end portion thereof fixed to the rotating shaft of the wiper motor portion 100 and receives the rotating driving force outputted from the wiper motor portion 100 directly to rotate to the left and right.

The rotation angle adjusting unit 2000 is connected at one end to the other end of the first driving rod unit 1000 to adjust the angle at which the first driving rod unit 1000 rotates.

At this time, the rotation angle adjusting unit 2000 causes the rotation angle of the first driving rod unit 1000 to be rotated more within a limited range.

Therefore, the rotation angle adjusting unit 2000 may be provided with a plurality of one or more wiper driving rod units so that the angle at which the first driving rod unit 1000 rotates can be rotated more greatly.

The rotation angle adjusting unit 2000 includes a first hinge coupling part 2100, a rotation limiting protrusion 2200, a second hinge coupling part 2300, a hinge pin 2400, an elastic part 2500, a fence part 2600, .

The first hinge coupling part 2100 is installed at the other end of the first driving rod part 1000 and is connected to the second hinge coupling part 2300 through the hinge pin 2400 inserted in the first hinge hole 2110 And is pivoted about the pivot axis of the hinge pin 2400.

One or more hinge protrusions 2120 are concentrically formed around the first hinge hole 2110 at a portion of the first hinge coupling portion 2100 which is in surface contact with the second hinge coupling portion 2300, do.

The rotation restricting projection 2200 is provided so that the first hinge engaging portion 2100 extends on a line extending from the first driving rod 1000 so that the first driving rod 1000 moves in a direction of the rotation of the wiper motor portion 100 The rotation angle of the rotation about the coaxial axis is set larger, but the rotation angle is limited so as not to deviate from the predetermined range.

The rotation restricting projection 2200 can uniformly attach an elastic object made of leather, artificial leather, rubber, synthetic rubber or the like that buffers an impact to the outside of the surface thereof.

The second hinge coupling portion 2300 hinges through the first hinge coupling portion 2100 and the hinge pin 2400 inserted in the second hinge hole 2310 and rotates around the rotation axis of the hinge pin 2400 do.

A hinge recess 2320 having a shape corresponding to the hinge protrusion 2120 is formed around the second hinge hole 2310 in which the second hinge engaging portion 2300 is in surface contact with the first hinge engaging portion 2100, 2120 are formed on the same central axis as the concentric circles.

The hinge pin 2400 is tightly coupled to the first hinge hole 2110 through the second hinge hole 2310 and forms a rotation axis of the hinge coupling.

The elastic portion 2500 is inserted into the rotation axis of the hinge pin 2400 to generate an elastic force to bring the first hinge engagement portion 2100 and the second hinge engagement portion 2300 into close contact with each other in a surface contact state.

The elastic portion 2500 may be formed in a state in which the first hinge engaging portion 2100 and the second hinge engaging portion 2300 are in contact with each other and when one of the first and second hinge engaging portions 2100 and 2300 pivots left or right, And is moved and inserted into the adjacent hinge grooves 2320 adjacent to each other.

The elastic portion 2500 may include a coil spring, a leaf spring, a rod spring, and the like.

Therefore, when one of the hinge protrusions 2120 is composed of an elastic body and a ball bearing and the first hinge engaging portion 2100 and the second hinge engaging portion 2300 are in contact with each other, either one of them turns left or right, It may be replaced with a configuration in which it is moved and inserted into the hinge groove 2320. In addition, a generally known configuration having a similar configuration and function can be included.

The fence portion 2600 is formed at one end of the second hinge engaging portion 2300 and restricts the movement distance (rotation angle) of the rotation restricting projection 2200 to move (rotate) more in a predetermined range.

The fence portion 2600 is protruded from one side of the protrusion seating portion 2610 and the protrusion seating portion 2610 on which the rotation restricting projection 2200 is seated to further increase the rotation of the rotation restricting projection 2200, And a second fence protruding from the other side of the protrusion seating portion 2610 to restrict rotation of the rotation limiting protrusion 2200 to a predetermined set range to be.

The protrusion seating portion 2610, the first fence 2620, and the second fence 2630 surround and protect the rotation restricting protrusion 2200 so that foreign foreign matter penetrates to prevent the rotation from being restricted or disturbed.

The second driving rod portion 3000 is connected to the other end portion of the rotation angle adjusting portion 2000 at one end and the wiper blade portion 300 is fixed to the other end portion thereof by a generally known hook structure Respectively.

The stopper portion 400 is installed at both side edges of the window 600 of the vehicle 500 while being extended from the end portion of the second driving rod portion 3000 of the wiper driving rod portion 200, Restricting the movement of the blade portion 300 and simultaneously positioning the wiper blade portion 300 in a vertical state. In other words, a total of two stopper parts 400 are provided on both sides of the stopper part 400, but one or more stopper parts 400 may be provided on both sides of the stopper part 400, if necessary.

The wiper blade part 300 can finally form a rectangular cleaning area 650 by the stopper part 400. [

The wiper drive rod 200 according to the related art includes a first drive rod 1000 and a wiper blade portion 300 provided at one end of the first drive rod 1000 by the rotation of the first drive rod 1000 Are rotated in an arc shape to form a cleaning area 650 in a fan shape.

The configuration described above may be modified such that the wiper driving rod 200 having one or more rotation angle adjusting portions 2000 and the second driving rod portion 3000 and the wiper blade portion 300 May form a cleaning area 650 having a shape similar to a rectangular shape or a rectangular shape on the window 600 of the vehicle 500. [

Further, the structure of the wiper driving rod unit 200 can be greatly simplified, and a large area can be cleaned while reducing manufacturing cost, thereby securing a wide operating view of the driver.

Further, as the entire length of the wiper blade part 300 becomes longer, the cleaning area 650 can be formed to have a larger rectangular or rectangular shape.

At this time, since the upper and lower sides of the cleaning area 650 formed by the wiper blade part 300 form a slight curvature shape, the upper and lower end parts of the wiper blade part 300 are located on the upper side It is possible to contact the side and the lower side.

Therefore, the upper end portion and the lower end portion of the wiper blade portion 300 may be damaged or abraded due to contact with a portion of the upper side portion and the lower side portion of the window 600, respectively, 600) of the lengthwise length.

In addition, since the number of the rotation angle adjusting unit 2000 is controlled, a cleaning area 650 similar to a rectangular or rectangular shape can be formed.

In the case where one or more of the rotation angle adjusting portions 2000 are installed adjacent to each other, the cleaning area 650 is formed to be similar to a square or rectangular shape, but when too much is installed, the driving force of the wiper motor unit 100 is transmitted to the wiper blade unit It may not be accurately transmitted to the light source 300, and therefore, it is preferable that two light sources are arranged adjacent to each other.

Here, when the elastic portion 2500, the hinge protrusion 2120, and the hinge groove 2320 are changed to a structure that stably operates, the rotation angle adjuster 2000 may be provided in two or more more.

In addition, since one vehicle window brush driving apparatus 700 can be installed in the window 600 of the vehicle 500 to form the entire area of the window 600 as the cleaning area 650, the manufacturing cost of the vehicle 500 And reducing or reducing the production time, simplifying maintenance, and reducing the failure or failure rate of the vehicle 500.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

100: wiper motor unit 200: wiper drive rod unit
300: wiper blade part 400: stopper
500: vehicle 600: window
700: Vehicle Window Brush Drive Device
650: Cleaning area 1000: First driving rod part
2000: rotation angle adjusting portion 2100: first hinge coupling portion
2110: first hinge hole 2120: hinge protrusion
2200: rotation restricting projection 2300: second hinge engaging portion
2310: second hinge hole 2320: hinge groove
2400: Hinge pin 2500: Elastic part
2600: fence portion 2610: projection seating portion
2620: First fence 2630: Second fence
3000: second drive rod section

Claims (5)

delete delete A vehicular window brush driving apparatus including a wiper motor unit, a wiper driving rod unit, and a wiper blade unit,
The wiper drive rod portion
A first driving rod portion that receives the rotation driving force from the wiper motor portion directly at one end and rotates to the left and right;
A rotation angle adjusting unit that is connected to one end of the first driving rod unit at the other end to adjust an angle at which the first driving rod unit rotates; And
A second driving rod portion having one end portion connected to the other end portion of the rotation angle adjusting portion and the wiper blade portion provided at the other end portion; Lt; / RTI >
The vehicle window brush driving apparatus
A plurality of stopper portions provided at both edges of the window extending from the extended end portion of the second drive rod portion of the wiper drive rod portion and restricting movement of the wiper blade portion; Further comprising:
The rotation angle adjusting unit
A first hinge engaging portion provided at the other end of the first driving rod portion and hinging and rotating through the first hinge hole;
A rotation restricting projection extending from the first hinge coupling portion to restrict a rotation angle;
A second hinge coupling part hinged to the first hinge coupling part and the second hinge hole to rotate;
A hinge pin coupled to the first hinge hole through the second hinge hole to form a rotation axis of the hinge coupling;
An elastic part inserted into the rotation shaft of the hinge pin and generating an elastic force by which the first hinge engagement part and the second hinge engagement part are in close contact with each other; And
A fence part formed at one end of the second hinge coupling part and limiting a movement distance of the rotation limiting protrusion; , ≪ / RTI &
Wherein one or more hinge protrusions are concentrically formed around the first hinge holes in which the first hinge engaging portions are in surface contact with the second hinge engaging portions,
And one or more hinge recesses having a shape corresponding to the hinge protrusion are formed on the same concentric circle around the second hinge hole where the second hinge engaging portion is in surface contact with the first hinge engaging portion,
The fence portion
A projection seating part on which the rotation restricting projection is seated;
A first fence protruding from one side of the protrusion seating portion to restrict rotation of the protrusion restriction protrusion; And
A second fence protruding from the other side of the protrusion seating portion to restrict rotation of the protrusion restricting protrusion; , ≪ / RTI &
The protrusion seating portion, the first fence and the second fence surround and protect the rotation restricting projection,
Wherein the rotation angle adjusting unit comprises at least one rotation angle adjusting unit.

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