JPS63242359A - Wide-angle nozzle for head lamp cleaner - Google Patents

Abstract

PURPOSE:To uniformly and efficiently wash the entire surface of a wide-angled head lamp without leaving an unwashed area, by forming a water jet direction regulating edge protruding from the drain edge of a washing water jet orifice in a bill shape to the upper edge of the jet orifice so as to have an inclined open angle. CONSTITUTION:The washing water supplied to a vortex stream forming cavity part 8 forms a high speed vortex stream in the vicinity of a washing water jet orifice 7 when flows while divided at a drain edge 10 by the water stream flowing out from the washing water jet orifice 7. The ejected washing water is rapidly reduced in pressure by said vortex stream to be formed into water droplets and injected in the jet direction prescribed by a water jet direction regulating edge 9 and the drain edge 10 to collide with the front surface of a head lamp at a high speed. At this time, since the bill-shaped water jet direction regulating edge 9 forming the washing water jet orifice 7 extents in the washing water jet direction and has a predetermined open angle with respect to the drain edge 10, the washing water ejecting toward an upward inclined direction is ejected in the same shape as the surface of a wide-angle head lamp opposed to the washing water jet orifice 7 at high density.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a cleaning technology for an automobile headlamp cleaner that spouts washing water for washing the headlights of an automobile while driving. It concerns wide-angle nozzles.

[Conventional technology]

Traditionally, headlamp cleaners have been used to clean mud, insects, etc. that adhere to the front of a car's headlights while driving, and restore the headlamp's light emitting performance by directing high-pressure washing water from a nozzle toward the headlamp surface. A type with a spouting structure is used.

[Problem that the invention seeks to solve]

However, in recent years, headlamps have become a part of car design, and so-called proper headlamps have become mainstream.However, when considering car design and air resistance, thin and wide headlamps are generally preferred. The number is increasing. For this reason, the cleaning water sprayed out from the headlamp cleaner does not reach the entire headlamp surface, leaving a residue behind.However, if this could be made to wash away the entire headlamp surface, it would not hit the headlamp and would not hit the surrounding area. This has resulted in problems such as the amount of washing water being scattered, increasing the amount of washing water used, lowering the washing efficiency, and creating a difference in washing between the center and the outer periphery.

The present invention was devised in view of the above problems, and it controls the spray shape and spray density so that the cleaning water is sprayed diffusely over the surface shape of the wide-angle headlamp, and the spray water is sprayed over the entire headlamp without leaving any residue. The purpose of this project is to propose a wide-angle nozzle for headlamp cleaners that uniformly cleans the headlamp cleaner.

[Means for solving problems]

The wide-angle nozzle for a headlamp cleaner according to the present invention is used in a headlamp cleaner that sprays high-pressure washing water onto the headlamp of an automobile to restore its light emission efficiency, and the cylindrical wall of a short cylindrical part that communicates with a washing water supply section. A vortex forming cavity is formed at the top by the inner surface of the top wall formed at the end of the short cylindrical part, and a vortex forming cavity is formed at the upper end of the front half of the short cylindrical part on one side of the vortex forming cavity. A water incisal edge, a water incisal edge, and a fountain direction regulating edge corresponding to the water incisal edge and having a beak-shaped front edge protruding from the water incisal edge, are connected at both ends to open a washing water injection port, and the fountain direction regulating edge is the water incisal edge. The gist of the invention is to have an appropriate opening angle that is inclined so as to face the fountain angle.

[Effect]

The above-mentioned wide-angle nozzle for a headlamp cleaner supplies high-pressure cleaning water at an appropriate pressure to the vortex-forming cavity, so that the cleaning water supplied to the vortex-forming cavity is caused by the water flow flowing out from the cleaning water jet port to the water cutting edge. A high-speed vortex is formed in the divided upper wash water near the wash water injection port. Due to this vortex, when the cleaning water jetted from the cleaning water jetting port is rapidly depressurized, it becomes water droplets and is regulated by the arc-shaped water incisal edge, curved edge, and side edge. It ejects in the direction of the jet and hits the front of the headlamp at high speed. At this time, the beak-shaped fountain direction regulating wall constituting the cleaning water jetting port extends in the cleaning water jetting direction and has a predetermined opening angle with the water cut edge, so that the cleaning water spouted in an upward diagonal direction is The jet of water is controlled to the surface shape of the thin and wide ultra-wide-angle headlamp facing the cleaning water jet port, and at the same time, the jet density of droplets is controlled to achieve uniform cleaning.

〔Example〕

Embodiments of the wide-angle nozzle for headlamp cleaners according to the present invention will be described below with reference to the drawings.

1 to 4 show the first embodiment, and 1
is a nozzle member protrudingly fixed to the shaft hole 3 of a spherical base member 2 having a spherical outer periphery so that the shaft center 0 is continuous;
The spherical base member 2 is a water pipe 1 fixed to a nozzle case 12.
The nozzle case 12 is fitted into a spherical recess 14 formed at the end of the nozzle 3 so as to be fixed and adjustable in angle, and the nozzle case 12 is fixed to a bumper a of an automobile to constitute a headlamp cleaner.

The nozzle member 1 is provided with a cylindrical wall 4 that is continuous with the shaft hole 3 of the spherical base member 2 and has a circular axis O.
The spherical inner wall surface 6 of the top wall 5 formed at the end of the nozzle member 1 forms a vortex forming cavity 8 inside the cleaning water injection lower opening on the side opposite to the end of the nozzle member 1 . The front end of the top wall 5 constitutes a beak-like projection 5a having an appropriate curvature and protruding from the outer diameter surface of the nozzle member 1, and a fountain direction regulating edge 9 that is obliquely α with respect to the axis O continuous to the vortex forming cavity 8. Configure. Also, 10 is the above fountain direction regulation! ! Corresponding to 9, this is a water cut edge formed on the front half of the nozzle member 1, and is cut approximately perpendicularly to the axis O, and the water cut edge 10 and the fountain direction regulating edge 9 are connected at both ends. They are connected to each other to form the front shape of the cleaning water injection lower.

The wide-angle headlamp cleaner nozzle configured as described above supplies high-pressure cleaning water at an appropriate pressure to the vortex forming cavity 8 through the water guide tube 13, so that cleaning water in the form of water droplets is jetted from the cleaning water injection lower. , it is possible to achieve an ultra-wide angle with a vertical diffusion angle of α and a horizontal diffusion angle of β.

That is, when cleaning water is supplied to the vortex forming cavity 8, the water flow flowing out from the cleaning water injection lower portion causes the water flow to flow out from the cleaning water jetting lower part. The upper washing water separated at the inner edge forms a high-speed vortex near the washing water injection lower part, and the vortex separated at the spray direction regulating edge 9 collides with the spherical inner wall surface 6 and is forced to It becomes possible to change direction, and the vortex center becomes a turbulent flow that constantly oscillates. Due to the turbulent flow, the water pressure near the cleaning water injection lower becomes pulsating, and the cleaning water jetted from the cleaning water injection lower is rapidly depressurized and becomes water droplets, and the water jets out from the cleaning water injection lower. Direction regulating edge 9 and water cutting edge 10
It ejects in the direction regulated by the jet and hits the front of the headlamp at high speed. When this droplet-shaped cleaning water is sprayed onto the headlamp surface, it exhibits an excellent effect of forcibly peeling off dirt adhering to the surface to be cleaned and at the same time blowing it away.

The wide-angle nozzle for a headlamp cleaner according to the present invention is characterized in that a fountain direction regulating edge 9 is formed on the upper edge of the lower cleaning water injection lower edge and projects from the water cutting edge 10 in a beak shape so as to face the fountain angle. The side shape can be modified in various ways as described below without changing the basic configuration.

First, the wide-angle nozzle for headlamp cleaner shown in FIG. At the same time, a vortex forming cavity 8 is formed in which a bead protrusion 11 protruding inward is formed on the inner edge of the water cut edge 10.

In addition, the wide-angle nozzle for headlamp cleaner shown in Figure 6 is
The axis O is configured such that the injection direction of the cleaning water injection lower forms an obtuse angle γ2, and the vortex forming cavity 8 is formed with a bead protrusion 11 that largely protrudes inward on the inner edge of the water cutting edge 10. It consists of

〔Effect of the invention〕

Since the wide-angle nozzle for a headlamp cleaner according to the present invention is constructed as described above, the washing water in the form of water droplets is accurately diffused onto the cleaning surface of the opposing headlamp, and is sprayed uniformly. The cleaning efficiency can be improved by suppressing the splashing of cleaning water outside the thin and wide headlamp, and at the same time, leaving no residue after washing, and the effects after implementation of the present invention are extremely large.

[Brief explanation of the drawing]

FIG. 1 is a side sectional view of a cleaning water injection nozzle showing a first embodiment of a wide-angle nozzle for a headlamp cleaner according to the present invention;
Figure 2 is a front view of the same, Figure 3 is a plan view of the same, Figure 4 is a partially cutaway side sectional view showing the installation state of the wide-angle nozzle for headlamp cleaner, and Figures 5 and 6 are respectively cleaning water. FIG. 7 is a side sectional view showing another embodiment in which the injection directions are different. 1... Nozzle member 2... Spherical base member 5...
・Top wall 6... Spherical inner wall surface 7... Cleaning water injection port 8... Vortex forming cavity 9... Fountain direction regulating edge lO... Water incisal edge 11... Bead protrusion patent applicant Shares Company Koito Seisakusho Agent Patent Attorney 1) Kazuo Figure 5 5... m section

Claims (1)

[Claims] In a headlamp cleaner that sprays high-pressure washing water to clean the headlamps of automobiles to restore the light emission efficiency, the headlamp cleaner is configured on the cylindrical wall of the short cylindrical part communicating with the washing water supply part and the end of the short cylindrical part. A vortex forming cavity is formed at the top by the inner surface of the top wall, and on one side of the vortex forming cavity, there is a cut edge formed at the upper end of the front half of the short cylindrical part, and a front edge corresponding to the cut edge. is formed by opening a washing water injection port which connects a fountain direction regulating edge protruding like a beak from the water incisal edge at both ends, and the fountain direction regulating edge is inclined at an appropriate opening angle so as to face the water incisal edge and the fountain angle. A wide-angle nozzle for a headlamp cleaner, characterized in that the nozzle is configured to hold the headlamp cleaner.