KR19980068379U - Washer liquid injection nozzle structure of automobile - Google Patents

Abstract

The present invention relates to a washer fluid injection nozzle structure of an automobile, and includes a first guide hole (60a), a first spray hole (70a), and a second guide hole (60b) toward an inner upper portion of the windshield glass in the nozzle head (90). The second injection hole 70b is formed to be branched apart from the pressure feeding hole 40 formed to penetrate the inside of the nozzle body 80, and the first induction hole 60a, the first injection hole 70a and the first injection hole 2nd guide hole 60c, 3rd injection hole 70c, and 4th guide hole 60d and 4th minutes toward the outer lower part of a windshield glass in the left and right lower side of the 2nd guide hole 60b and the 2nd injection hole 70b. The windshield glass is formed by forming a spray nozzle 100 so that the slot 70d is spaced apart from the feed hole 40 so that the washer liquid is sprayed in close proximity to the turning radius of the wiper blade operated on the surface of the windshield glass. Windshield generated by rubbing blades on foreign matter stacked in It minimizes surface damage and wear of the blade of the presses, which reduce the friction due to the noise generated between the windshield glass and the blade will have a useful effect to improve the cleaning state of the windshield glass.

Description

Washer liquid injection nozzle structure of automobile

The present invention relates to a spray nozzle structure of an automobile, and in particular, by forming the spray nozzle so that the spraying range of the washer liquid sprayed on the windshield glass is close to the operating range of the wiper blade, the windshield glass can be cleaned well and the windshield It is designed to effectively prevent the surface damage of the glass and the wear of the blade.

In general, an automobile is equipped with a spray nozzle in which a wiper blade and washer fluid are sprayed to clean the windshield glass when foreign matter such as dust or dirt is stacked on the windshield glass to obstruct the front view of the vehicle.

1 is a front view of a conventional washer liquid injection nozzle, the structure of the washer liquid injection nozzle for windshield glass of a conventional vehicle will be described as shown in FIG.

Inside the nozzle body 8 coupled to the hood of the vehicle, a pressure feed hole 4 connected to the washer liquid pump is formed to penetrate in the longitudinal direction.

Inside the nozzle head 9 integrally formed at the upper end side of the nozzle body 8, the pressure feeding hole 4 is branched so as to be spaced apart in two directions toward the upper portion of the windshield glass so that the front of the nozzle head 9 An induction hole formed to communicate with was formed.

The injection hole 7 at the tip of the induction hole communicated to the front surface of the nozzle head 9 so that the washer liquid introduced from the pressure feeding hole 4 into the induction hole of the nozzle head 9 has a predetermined pressure and is sprayed toward the windshield glass. Is formed.

The jet nozzle 10 configured as described above has the washer liquid introduced from the washer fluid pump to the guide hole of the nozzle head 9 via the pressure feed hole 4 of the nozzle body 8 through the jet hole 7. 9) is sprayed toward the windshield glass of the car, and the wiper blade is operated to clean the surface of the windshield glass by wiping off the foreign matter deposited on the surface of the windshield glass.

On the other hand, in the jet nozzle structure, the wiper blade of the vehicle is automatically operated for several seconds without the operation of the dimmer switch before the washer fluid is injected only to the upper side of the windshield glass and the washer liquid flows down to the bottom of the windshield glass. By rotating left and right on the surface of the windshield glass, the wiper blade was rubbed on the foreign matter such as dust or dirt accumulated on the lower outer surface of the windshield glass which was not able to reach the washer fluid, thus damaging the surface of the windshield glass. The blade was easily worn, which caused friction noise between the windshield glass and the blade, and caused a problem that the cleaning state of the windshield glass was poor.

The present invention has been made in view of the above problems, the technical problem of the present invention is to configure the injection nozzle so that the washer liquid is sprayed close to the rotational radius of the wiper blade rotated from side to side on the surface of the windshield glass, It minimizes the surface damage of the glass and the wear of the blade and improves the cleaning effect of the windshield glass.

The above technical problem is that the first guide hole and the first injection hole and the second guide hole and the second injection hole penetrating the inside of the nozzle body toward the inner upper portion of the windshield glass in the nozzle head of the injection nozzle It is formed to be spaced apart from the first guide hole, the first injection hole, the second guide hole and the second guide hole and the second guide hole and the third guide hole, the third injection hole and the fourth induction toward the outer lower portion of the windshield glass It is achieved by forming the ball and the fourth spraying hole to be spaced apart from the pressure feeding hole.

1 is a front view of a conventional washer liquid injection nozzle,

2 is a front view of the present invention,

2a is a cross-sectional view of the present invention,

2b is a longitudinal sectional view of the present invention,

3 is a plan view of the use state of the present invention.

<Explanation of symbols for main parts of drawing>

30: clip 40: pressure ball

50a: first washer fluid 50b: second washer fluid

50c: third washer fluid 50d: fourth washer fluid

60a: first induction hole 60b: second induction hole

60c: 3rd judo 60d: 4th judo

70a: 1st injection hole 70b: 2nd injection hole

70c: third sprayer 70d: fourth sprayer

80: nozzle body 90: nozzle head

100: injection nozzle

Figure 2 is a front view of the present invention, Figure 2a is a cross-sectional view of the present invention, Figure 2b is a longitudinal cross-sectional view of the present invention, Figure 3 is a plan view of the state of use of the present invention, the washer liquid jet nozzle structure of the present invention Referring to FIG. 2, FIG. 2A, FIG. 2B, and FIG. 3 as follows.

The injection hole 40 of the nozzle body 80 is branched apart from the inside of the nozzle head 90 so that the first guide hole 60a and the second guide hole 60b face the upper portion of the windshield glass. It is formed in communication with the front surface.

In the left and right lower portions of the first guide hole (60a) and the second guide hole (60b) of the nozzle head 90, the pressure-feed hole (40) is spaced apart from the third guide hole (60c) toward the outer lower portion of the windshield glass The fourth guide hole 60d is formed in communication with the front surface of the nozzle head 90.

The washer fluid introduced into each of the guide holes from the pressure feed holes 40 of the nozzle body 80 is inside the front end of the first guide hole 60a and the second guide hole 60b which communicate with the front surface of the nozzle head 90. A first injection hole 70a and a second injection hole 70b having a predetermined pressure and whose cross-sectional area is reduced to be injected toward the inner upper portion of the windshield glass are formed.

Inside the distal end of the third guiding hole 60c and the fourth guiding hole 60d communicating with the front surface of the nozzle head 90, the washer liquid has a predetermined pressure, and the cross-sectional area is reduced so as to be sprayed toward the outer lower portion of the windshield glass. The third injection hole 70c and the fourth injection hole 70d are formed.

In addition, the present invention configured as described above is connected to the hose of the washer liquid pump and the pressure feed hole 40 of the injection nozzle 100 in communication with the clip 30 formed on the outer end side of the nozzle body 80 of the car hood By inserting in a predetermined position, the injection nozzle 100 is to be installed in the vehicle hood so that the washer liquid can be injected into the windshield glass.

Referring to the operation of the present invention configured as described above are as follows.

First, when the wiper switch installed on the right side of the steering wheel is pulled in order to wipe off foreign matters such as dust or dirt accumulated on the surface of the windshield glass of the vehicle, the washer fluid flows into the pressure feed hole 40 of the spray nozzle 100 from the washer fluid pump. do.

In addition, the pressure feeding hole 40 is branched by being spaced apart from the first guide hole 60a and the second guide hole 60b and the third guide hole 60c and the fourth guide hole 60d in the nozzle head 90. Washer liquid introduced into the ball 40 is introduced to each guide hole with the same flow rate and speed.

Therefore, the washer liquid flowing into the first guide hole 60a and the second guide hole 60b has the same pressure through the first spray hole 70a and the second spray hole 70b and faces toward the inner upper side of the windshield glass. The first washer liquid 50a and the second washer liquid 50b are injected.

In addition, the washer fluid flowing into the third induction hole 60c and the fourth induction hole 60d has the same pressure through the third injection hole 70c and the fourth injection hole 70d, and is directed toward the outer downward side of the windshield glass. The third washer liquid 50c and the fourth washer liquid 50d are sprayed.

As such, even if the wiper blade is rotated on the surface of the windshield glass for several seconds after the washer liquid is sprayed or the wiper blade is rotated by adjusting the dimmer switch, the washer liquid injected from the spray nozzle 100 of the present invention is a wiper blade. By spraying close to the rotation radius of the windshield glass, it is possible to minimize the surface damage of the windshield glass and the wear of the blade caused by friction between the foreign material laminated on the surface of the windshield glass.

The washer fluid injection nozzle structure of the present invention has two induction holes and two injection holes spaced apart from the feed hole so that the washer fluid is injected toward the inner upper portion and the outer lower portion of the windshield glass, respectively, at two positions above and below the nozzle head. By constructing a spray nozzle, the washer fluid is injected close to the rotational radius of the wiper blade operated on the surface of the windshield glass, so that the surface of the windshield glass is damaged by the friction of the blade on the foreign matter laminated to the windshield glass. It minimizes the wear of the wearer, thereby reducing the friction noise generated between the windshield glass and the blade has a useful effect to improve the cleaning state of the windshield glass.

Claims (1)

In the injection nozzle of the washer liquid injector in which the washer liquid is injected into the windshield glass of the vehicle, the first guide hole 60a and the first in the nozzle head 90 of the injection nozzle 100 are directed toward the inner upper portion of the windshield glass. The injection hole 70a, the second induction hole 60b, and the second injection hole 70b are formed to be separated from and branched from the pressure feeding hole 40 formed through the inside of the nozzle body 80, and the first induction hole The third induction hole 60c and the third injection hole 60a and the first injector 70a, the second induction hole 60b, and the second injector 70b toward the lower side of the outer side of the windshield glass. 70c) and the fourth guide hole (60d) and the fourth injection hole (70d) is formed so as to be spaced apart from the pressure feed hole (40) is formed.