KR200239455Y1 - Device for adjusting injection angle of washer liquid injection nozzel for automobile - Google Patents

Abstract

The present invention relates to an injection angle adjusting device for a washer liquid injection nozzle for automobiles, wherein an optical sensor transmitter is installed above an injection hole of a washer liquid injection nozzle, and an optical sensor receiver is installed at a point where the windshield glass and the roof panel are in contact with each other. As the optical sensor receiver receives the signal from the optical sensor transmitter, the optimum spray angle of the washer fluid injection nozzle is achieved so that the spray angle of the washer fluid spray nozzle for automobile is maintained at a constant angle. It is intended to provide.

Description

Device for adjusting injection angle of washer liquid injection nozzel for automobile}

The present invention relates to an injection angle adjusting device for a washer liquid injection nozzle for automobiles, and more particularly, to control an injection angle of a vehicle washer liquid injection nozzle for maintaining and maintaining an angle at which a washer liquid is injected into a windshield glass at a constant angle. Relates to a device.

Typically, the washer fluid injection nozzles are installed on both sides of the hood panel to inject the washer fluid onto the windshield glass surface, and the jetting angle should always be maintained at a constant angle.

In other words, if the washer fluid injection nozzle is deteriorated due to aging or impact, the wiper blade cannot easily wipe the washer fluid sprayed at the wrong angle during the wiping operation with respect to the glass surface. It becomes bad.

Therefore, the driver presses or pulls out the washer fluid injection nozzle by means of a pin to adjust the angle of the washer fluid injection nozzle.

Accordingly, the present invention has been proposed to solve the above disadvantages, by installing an optical sensor transmitter above the washer hole of the washer liquid injection nozzle, and installing the optical sensor receiver at the point where the windshield glass and the roof panel are in contact with each other. When the optical sensor receiver receives the signal from the sensor transmitter, the optimum spray angle of the washer fluid injection nozzle is achieved, so that the spray angle adjusting device of the washer fluid jet nozzle for automobiles is always maintained at a constant angle. The purpose is to provide.

1 is a cross-sectional view showing a spray angle maintenance device of a washer nozzle for automobiles according to the present invention,

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

10: washer liquid injection nozzle 12: housing

14 rack 16: pinion

18: rotating body 20: female thread

22: optical sensor transmitter 24: optical sensor receiver

26: electronic control unit 28: rotation axis

30: insertion hole 32: washer liquid supply hose

34: corrugated hose 36: waterproof corrugated rubber

38: washer fluid supply motor 40: washer switch

42: start switch 44: glass

46: motor 48: connector

50: washer liquid supply pipe

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

According to the present invention, the washer liquid injection nozzle 10 is provided with an optical sensor transmitter 22 at an upper part of an injection hole, and a female pipe 20, an insertion hole 30, and a connecting pipe communicating with the injection hole from the rear at the bottom thereof. 48) is integrally formed, and the housing 12 is installed inside the hood surface in which the washer liquid injection nozzle 10 is installed, and the housing 12 is inserted into the female screw body 20 at the bottom surface of the housing 12. A motor 46 having a shaft having a male thread formed at an upper portion thereof, the pinion 16 integrally formed at a lower portion thereof, a rack 14 engaged with the pinion 16, and the insertion hole 30; The rotary shaft 28 having a ball is inserted into the upper portion and the washer fluid supply pipe 50 connected by the connecting pipe 48 and the pleat hose 34 are sequentially formed, and the light of the optical sensor transmitter 22 is inserted. The optical sensor receiver 24, which receives the signal, is installed at the point where the windshield glass and the roof panel are in contact with each other. The optical sensor receiver 24 is characterized in that made by connecting the electronic control unit (24).

In particular, the drive of the motor 46 is driven by the power supplied according to the on-off of the start switch 42, the optical sensor transmitter 22 in a position that does not send the optical signal to the optical sensor receiver 24 If so, it is driven only by the operation signal of the electronic control unit 26 which has received the non-receivable signal from the optical sensor receiver 24.

In addition, when the optical sensor transmitter 22 is in a position where it cannot transmit an optical signal to the optical sensor receiver 24, the electronic control unit 26 sends a non-operating current signal to the washer fluid supply motor 38 so that the washer fluid Do not supply.

In addition, the gap between the lower edge of the washer liquid injection nozzle and the housing 12 fixed to the hood panel and positioned therein is filled with waterproof corrugated rubber 36.

Herein with reference to the accompanying drawings, preferred embodiments of the present invention in more detail as follows.

1 is a cross-sectional view illustrating a spray angle adjusting device for a vehicle washer fluid injection nozzle according to the present invention, and reference numeral 10 denotes a washer fluid injection nozzle of the present invention.

The front of the washer liquid injection nozzle 10 is formed with an injection hole for ejecting the washer liquid, the optical sensor transmitter 22 is provided directly above the injection hole.

In addition, the point where the optical sensor receiver 24, which can receive the signal of the optical sensor transmitter 22, is only in contact with each other when the optical sensor transmitter 22 is in line with the optical sensor transmitter 22, and is in contact with the roof panel and the windshield glass. Installed in

On the bottom of the washer fluid injection nozzle 10 is formed a female threaded body 20 formed with a female thread on the inner circumferential surface of the hollow from the rear, an insertion hole 30 into which a ball can be inserted is formed in front of the front of the insertion hole. The connecting pipe 48 which is in communication with the injection hole of the washer liquid injection nozzle 10 is integrally formed.

Here, a housing 12 having an open upper portion is installed on the hood panel surface at the position where the washer liquid injection nozzle 10 provided as described above is installed.

The rotating body 18 is rotatably installed on the bottom surface of the housing 12. The rotating body 18 is composed of a male screw thread formed at an upper portion and a pinion 16 integrally formed at a lower portion thereof.

More specifically, the rotation axis 18 of the pinion 16 is rotatably fixed to the bottom surface of the housing 12, whereby the rotor 18 is fixed.

In addition, a motor 46 having a rack 14 engaged with the pinion 16 on the bottom surface of the front housing 12 of the rotating body 18 is mounted, and in front of the motor 46 is located at the top. The rotating shaft 28 in which the ball is integrally formed is integrally formed, and in front of the rotating shaft 28, the washer liquid supply pipe 50 penetrates into and out of the housing 12 and is integrally formed.

In this case, a groove is formed in the upper edge surface of the housing 12, and the hood panel is inserted into the groove to fix the housing 12.

Accordingly, the upper opening of the housing 12 is sealed and the washer fluid injection nozzle 10 is installed. The installed state is as follows.

The male thread of the housing 12 is inserted into the internal female thread of the female screw body 20 of the washer fluid injection nozzle 10, and the upper ball of the rotary shaft 28 is inserted into the insertion hole 30, and the connection pipe Upper and lower ends of the pleat hose 34 are inserted and connected to the washer fluid supply pipe 50 protruding and extending to the bottom surface of the 48 and the housing 12, respectively.

On the other hand, the washer liquid supply hose 32 is fastened to the washer liquid supply pipe 50 protruding and extending to the bottom of the housing 12.

In addition, the gap between the lower edge end of the washer liquid injection nozzle 10 and the upper edge surface of the housing 12 is closed with a waterproof corrugated rubber 36 to maintain airtightness.

At this time, the optical sensor transmitter 22 and the optical receiver 24 are connected to the electronic control unit 26 to which the start switch 42 is connected, and the washer switch 40 is connected to the electronic control unit 26. Washer liquid supply motor 38 is operated to be connected.

Here will be described the operation state of the injection angle jog device of the vehicle washer liquid injection nozzle according to the present invention.

First, the optical sensor transmitter 22 and the optical sensor receiver 24 are aligned with each other in a straight line so that optical signals can be transmitted and received. In this case, the washer switch 40 is turned on. The washer liquid supply motor 38 is activated.

Accordingly, the washer fluid is pumped from the washer fluid storage tank (not shown) to sequentially windshield the washer fluid supply hose 32, the washer fluid supply pipe 50, the connecting pipe 48, and the spray holes of the washer fluid injection nozzle 10. It is easily sprayed onto the glass surface.

If the washer fluid injection nozzle 10 is out of position due to external impact or aging, that is, the optical sensor transmitter 22 is also positioned as the washer liquid injection nozzle 10 is out of position. Will escape.

Accordingly, the optical sensor transmitter 22 and the optical sensor receiver 24 deviate from each other in a straight line to prevent the optical sensor receiver 22 from detecting the optical signal of the optical sensor transmitter 22.

At this time, the optical sensor receiver 24 sends a signal not detecting the signal of the optical sensor transmitter 22 to the electronic control unit 26, and at the same time the electronic control unit 26, respectively, the motor ( 46, a drive current signal is sent, and a drive stop signal, i.e., no current, is sent to the washer fluid supply motor 38.

Accordingly, as the rack 14, which is driven by the motor 46, rotates, and the pinion 16 engaged at the same time rotates, the male mountain is integrally formed above the pinion 16. It turns.

Next, as the rotor 18 composed of the pinion 16 and the male thread is rotated in place, the male thread is screwed into place in the female screw 20.

Thus, the female screw 20 is moved to the upper or lower screw rotation, so that the rear portion of the washer liquid injection nozzle 10, the female screw 20 is integral to the bottom surface is moved to the upper or lower. .

At this time, in the rear portion of the washer liquid injection nozzle 10 to move up and down, the movement center shaft is a ball of the insertion hole 30 and the rotating shaft 28 inserted into the insertion hole (30).

Accordingly, as the rear portion of the washer liquid dispersion nozzle 10 moves upward or downward, the optical sensor transmitter 22 of the washer liquid injection nozzle 10 is also moved together. 22) and the optical sensor receiver 24 are located in a straight line with each other to transmit and receive optical signals.

Next, the optical sensor receiver 24 receiving the signal of the optical sensor transmitter 22 transmits a signal to the electronic control unit 26 indicating that the signal of the optical sensor transmitter 22 is being received. .

At the same time, the driving stop signal, i.e., no current flows from the electronic control unit 26 to the motor 46, so that the driving of the motor 46 is stopped, thereby allowing the washer liquid injection nozzle 10 to move up and down. At this time, the optical sensor transmitter 22 is placed in a line with the optical sensor receiver 24 and is kept in a state capable of continuously transmitting and receiving signals.

Therefore, even if the washer fluid injection nozzle 10 is out of the correct position (the position where the optical sensor transmitter and the optical sensor receiver are placed in a straight line), the washer returns to the normal position as described above and always sprays the washer liquid at a constant angle to the windshield glass surface. You can do it.

As described above, according to the injection angle adjusting device of the washer fluid injection nozzle for automobiles according to the present invention, by using the optical sensor transmitter and the optical sensor receiver, the washer fluid injection nozzle can be maintained at a constant angle, so that the washer fluid is windshielded. There is an advantage that can always be sprayed at a certain angle on the glass surface.

Claims (4)

The optical sensor transmitter 22 is installed in the washer liquid injection nozzle 10 above the injection hole, and the female screw 20, the insertion hole 30, and the connection pipe 48 communicating with the injection hole are provided from the rear side. It is formed integrally and provided with a housing 12 into the hood surface in which the washer liquid injection nozzle 10 is installed, and the male thread is inserted into the female screw body 20 on the bottom surface of the housing 12. A motor 46 having an axis formed on the upper side and a rotating body 18 in which the pinion 16 is integrated at the bottom, and a rack 14 engaged with the pinion 16, and inserted into the insertion hole 30. Rotating shaft 28 having an upper portion as ball, and washer fluid supply pipe 50 connected by the connecting pipe 48 and the corrugated hose 34 in order to receive the optical signal of the optical sensor transmitter 22 The optical sensor receiver 24 is installed at the point where the windshield glass and the roof panel are in contact with each other. The injection angle control device for a washer liquid injection nozzle for a vehicle, characterized in that the sensor receiving unit 24 is made by connecting an electronic control unit 24. The method of claim 1, wherein the motor 46 is driven by the power supplied according to the on-off of the start switch 42, the optical sensor transmitter 22 transmits an optical signal to the optical sensor receiver 24 When the position is not sent, the injection angle control device for a washer liquid injection nozzle for a vehicle, characterized in that it is driven only by the operating signal current of the electronic control unit 26 receiving the non-receiving signal of the optical sensor receiver (24). The electronic control unit (26) according to claim 1, wherein the electronic control unit (26) sends a non-operating current signal to the washer fluid supply motor (38) when the optical sensor transmitter (22) is in a position where it cannot transmit an optical signal to the optical sensor receiver (24). The injection angle adjusting device of the washer fluid injection nozzle for automobiles, characterized in that the washer is not supplied. According to claim 1, wherein the gap between the lower edge of the washer liquid injection nozzle 10 and the upper edge of the housing 12 fixed to the hood panel and located therein is filled with waterproof pleated rubber 36 and closed. Injection angle adjusting device for a washer liquid injection nozzle for a vehicle.