JPH10258712A - Cleaner for vehicle lighting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To completely clean a lens for a lighting which has a large left/right width and a large curvature in the left/right direction of a lens face by providing an injection nozzle for injecting wash water, a nozzle holder for supporting it, and a T-shaped wash water feeding pipe. SOLUTION: When wash water is pumped, nozzle holders 120, 120 are projected outward from an entrance/exit of a bumper by the water pressure. The wash water reaches the nozzle holders 120, 120 via a wash water feeding pipe 100, etc., and injected from injection ports 133, 133 of injection nozzles 130, 130 toward a lens of a lighting. The nozzle holders 120, 120 can be rotated in relation to wash water feeding ends 102, 102 of the wash water feeding pipe 100 so that the width for adjusting the direction of the injection ports 133, 133 is enlarged and even a lens having relatively large curvature can be sufficiently cleaned.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel apparatus for cleaning vehicle lighting. More specifically, the present invention relates to a technique for providing a cleaning device suitable for cleaning a lens of a vehicle illumination lamp having a wide left-right width and a large curvature in a left-right direction of a lens surface.

[0002]

2. Description of the Related Art There has been proposed a cleaning apparatus for cleaning a lens of a vehicle illumination lamp having a lens surface having a wide left and right width.

FIG. 8 shows a main part of an example of such a cleaning device for a vehicle illumination lamp.

[0004] The nozzle holder 1 has two nozzle holders 2,
2 which is formed integrally with the washing water supply pipe 3. Each of the nozzle holders 2, 2 has a cylindrical shape with one end opened and the other end substantially closed, and such two nozzle holders 2, 2 are integrally formed so as to be arranged in parallel. The washing water supply pipe 3 has a cylindrical shape with one end opened and the other end almost closed, and the closed end side is connected to the nozzle holder 1.
The internal space of the cleaning water supply pipe 3 and the internal space of the two nozzle holders 2 and 2 are connected to the closed end sides of the two nozzle holders 2 and 2.

[0005] A water supply connection pipe 4 connected to the cleaning water supply device is fitted to the opening end of the cleaning water supply pipe 3, and a jet (not shown) is inserted into each of the nozzle holders 2 and 2 of the nozzle holder 1. The nozzle is fitted.

When the washing water is supplied to the washing water supply pipe 3 via the water supply connecting pipe 4, the washing water is branched and supplied to the two nozzle holders 2 and 2, and is supplied from the injection nozzle (not shown) to the vehicle. Injected towards the lens of the lamp.

[0007]

However, in the above-mentioned conventional cleaning device for a vehicle lighting, there is a limit in increasing the interval between the injection ports of the two injection nozzles, and the width in the left-right direction is limited. In the case of a vehicle illumination lamp that is wide and has a large curvature of the lens surface, there is a problem that the lens surface cannot be completely cleaned.

In order to cope with a vehicular illuminator having a large lateral width and a large curvature of the lens surface by increasing the distance between the two nozzle holders 2 and 2, the diameter of the washing water supply pipe 3 is also increased. Therefore, there is a problem that a standardized water supply pipe cannot be used, and a specially-designed water supply pipe must be used.

Further, even if the direction of the injection nozzle can be adjusted to some extent in the nozzle holders 2, 2, the die-cutting directions of the left and right nozzle holders 2, 2 must be the same, so that the injection nozzles There is a limit to the adjustment of the injection direction, and in this respect, there is a problem that it is not possible to cope with a vehicle lamp having a large lateral width and a large curvature of a lens surface.

Therefore, the cleaning device for a vehicle illumination lamp of the present invention can completely clean even a lens of a vehicle illumination lamp having a wide left-right width and a large curvature of a lens surface in the left-right direction. The task is to be able to do so.

[0011]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a cleaning device for a vehicle lighting device, comprising: a jet nozzle for jetting washing water; A washing water supply pipe having a substantially T-shape serving as a washing water supply end and a nozzle holder positioned at the washing water supply end and supporting the jet nozzle are provided.

Therefore, in the cleaning apparatus for a vehicle lighting lamp according to the present invention, the vehicle lighting of various lateral widths can be obtained by merely adjusting the length of the portion corresponding to the T-shaped horizontal bar of the cleaning water supply pipe. Can handle lights.

[0013]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a cleaning device for a vehicular lighting according to the present invention.

FIGS. 1 to 5 show a first embodiment of a cleaning device for a vehicle illumination lamp according to the present invention.

The vehicle lighting device cleaning device 10 has a main body 20 fixed to a vehicle body inside a bumper 30 which is a part of the vehicle body. The main body 20 includes a cylinder 40 and a piston 50 supported by the cylinder 40. The cylinder 40 is connected to a washing water tank (not shown) by a pipe means. Cleaning water is pumped inside.

The piston 50 is slidably supported by the cylinder 40, and is protruded from the cylinder 40 due to an increase in the pressure of the cleaning water fed into the cylinder 40 in the cylinder 40 (see FIG. 2). When the pressure of the water reaches a predetermined value or more, the check valve 60 provided at the base end of the piston 50 opens, and the washing water reaches the center hole of the piston 50, that is, the tip of the washing water passage 51.
When the injection of the washing water is completed, the pressure of the washing water in the cylinder 40 decreases and the piston 50
The spring is retracted into the cylinder 40 by the elastic force of the compression coil spring 70 inserted between the cylinder coil 40 and the compression coil spring 70. Note that the check valve 60 may be a known valve as long as it is opened by one or more water pressures applied to the valve 60 from one side and closed when the water pressure becomes lower than a predetermined value.

A water supply connection pipe 80 is provided at the tip of the piston 50.
Are connected. The water supply connection pipe 80 has a cylindrical main part 8.
1 and a connecting portion 82 formed integrally with the tip of the main portion 81
Consisting of The main part 81 has a large diameter part 83 and a small diameter part 84 protruding from the rear end of the large diameter part 83, and annular ribs 85, 85 are formed on the outer peripheral surface of the small diameter part 84. Also,
A flange 86 protruding outward is formed at the tip of the large diameter portion 83, and a fitting groove 86 a is formed on the outer peripheral surface of the flange 86. The connecting portion 82 is composed of two connecting plates 87, 87 projecting in parallel from the distal end surface of the large diameter portion 83, and engaging holes 88, 88 are formed in the connecting plates 87, 87.

Then, the small diameter portion 84 of the water supply connection pipe 80 is fitted to the distal end of the washing water passage 51 of the piston 50. One end 91 of the boot 90 formed in a bellows shape by an elastic material such as rubber is connected to the flange 8 of the water supply connection pipe 80.
6, and the other end 92 of the boot 90 is externally fitted to the tip of the cylinder 40. Thus, when the piston 50 projects from the cylinder 40, the portion of the piston 50 projecting from the cylinder 40 is not exposed to the outside.

A washing water supply pipe 100 is connected to a distal end of the water supply connection pipe 80. The cleaning water supply pipe 100 has a shape in which the pipes are connected so as to form a substantially T-shape, and both ends 102 and 102 of a T-shaped horizontal bar portion 101 are cleaning water supply ends. Also, a portion 101 forming the T-shaped horizontal bar
The mounting pieces 103, 10
3 are protrudingly provided.
3a and 103a are formed. A mounting piece 103 having a mounting hole 103a protrudes from the side of the side of the T-shaped vertical bar 104 opposite to the side where the mounting piece 103 protrudes.

An end of a T-shaped vertical bar portion 104 is a portion connected to the water supply connection pipe 80, and an annular fitting groove 105 is formed on the outer peripheral surface of the end portion. Also, T
Guide plates 106, 106 for coupling are integrally formed on opposite sides of a substantially central portion of a portion 104 forming a vertical bar of a character. The guide plates 106, 106 include front half portions 106a, 106a extending parallel to each other and the front half portion 106a.
a, 106a and the first half 106a, 106
a, the first half 106 b and the second half 106 b, which are inclined so as to approach each other as the distance from the first part 106 a increases.
a, 106a are provided with engaging projections 107, 107 at the front ends thereof.
7a and 107a.

The O-ring 11 is inserted into a fitting groove 105 of a portion 104 corresponding to a T-shaped vertical bar of the washing water supply pipe 100.
The rear end of the portion 104 is fitted inside the large diameter portion 83 of the water supply connection pipe 80 in a state where 0 is fitted. At this time, the connection plates 87, 87 of the water supply connection pipe 80 are guided by the guide plates 106, 106 of the washing water supply pipe 100, and the ends thereof are guided by the inclined surfaces 107a, 107a of the engagement projections 107, 107. The front ends are bent and slightly advanced so as to be separated from each other.
07 is engaged, whereby the washing water supply pipe 100 is securely connected to the water supply connection pipe 80.

Then, nozzle holders 120, 120 are connected to cleaning water supply ends 102, 102 of the cleaning water supply pipe 100.

The nozzle holder 120 is formed by integrally connecting one end of a cylindrical nozzle holding portion 121 to one end of an L-shaped connecting tube portion 122. A flange 123 is formed at a portion near the other end of the connecting pipe portion 122, and a tip portion from the flange 123 is formed as a fitting portion 124, and an annular rib 125 is formed on an outer peripheral surface of the fitting portion 124. Have been.

The nozzle holders 120, 120 have fitting portions 124, 124 in which the washing water supply pipes 100, 1
The cleaning water supply ends 102 and 102 are fitted and connected.
At this time, the fitting portions 124, 124
The cleaning water supply ends 102, 102 are fitted to the cleaning water supply ends 102, 102 until 123 contacts the end surfaces of the cleaning water supply ends 102, 102.

Injection nozzles 130 are held in the nozzle holders 121 of the nozzle holders 120 in a fitting manner. The injection nozzle 130 has a substantially spherical main body 131 and an injection section 13 protruding from one end of the main body 131.
2, an injection port 133 is formed at the base end of the injection section 132, and the injection port 133 communicates with a passage 134 opened at the other end surface of the main body 131. And the injection nozzle 1
The body 30 has its main body 131 fitted into the nozzle holding section 121, and the main body 131 has a substantially spherical shape.

The cover body 140 has the nozzle holders 120, 1
20 and a portion 101 corresponding to a T-shaped horizontal bar of the washing water supply pipe 100 is attached. Cover body 140
Has two facing holes 141, 141 and three mounting bosses 1
42, 142, 142 are formed, and the mounting holes 1 of the mounting pieces 103, 103, 103 of the washing water supply pipe 100 are formed.
03a, 103a, mounting screw 15 inserted through 103a
0, 150, 150 are the mounting bosses 142, 142, 142
The cover body 140 is attached to the washing water supply pipe 100, and its facing holes 141, 14
The injection ports 133, 13 of the injection nozzles 130, 130 from 1
3 is exposed to the outside.

The following is a description of the cleaning device 10 for a vehicle illumination lamp.
Will be described.

When not used, that is, when washing water is not supplied to the cylinder 40, the piston 50 is retracted into the cylinder 40 by the resilient force of the compression coil spring 70, and is formed on the bumper 30. The entrance 31 is closed by the cover 140.

When cleaning water is fed from a cleaning water supply device (not shown) to the base end of the cylinder 40, the cylinder 40
The water pressure of the cleaning water in the inside increases, and the piston pressure protrudes from the cylinder 40 by the water pressure, and accordingly, the nozzle holders 120 and 120 protrude outward from the entrance 31 of the bumper 30. And the piston 50
Is completely protruded from the cylinder 40, the water pressure of the washing water in the cylinder 40 further increases, and when the water pressure exceeds a predetermined value,
The check valve 60 provided at the base end of the piston 50 is opened, and the cleaning water reaches the nozzle holders 120 and 120 through the cleaning liquid passage 51 of the piston 50, the water supply connection pipe 80, the cleaning water supply pipe 100, and further. Injection nozzles 130, 13
0 through the passages 134, 134, and the injection holes 133, 133
From the vehicle illumination lens (not shown).

When the supply of the washing water to the cylinder 40 is stopped, the check valve 60 closes as the water pressure of the washing water applied to the check valve 60 decreases.
The piston 50 is pulled into the cylinder 40 by the elastic force of the compression coil spring 70 due to a decrease in the water pressure of the washing water inside, and the cover 140 closes the entrance 31 of the bumper 30.

In the cleaning device 10 for a vehicle lighting lamp described above, the width in the left-right direction is adjusted by adjusting the length of the portion 101 corresponding to the T-shaped horizontal bar of the cleaning water supply pipe 100. And various kinds of vehicular illumination lamps.

Further, since the nozzle holders 120, 120 can be rotated with respect to the cleaning water supply ends 102, 102 of the cleaning water supply pipe 100, the injection nozzles 130, 13
The width of the adjustment of the directions of the 0 injection ports 133 and 133 is increased, and it is possible to sufficiently clean even a lens having a considerably large curvature.

Further, as described above, when the present invention is applied to a cleaning device for a vehicle illumination lamp that is housed in the bumper 30 when not in use and protrudes from the bumper 30 when in use, the water pressure of the washing water increases. It is applied to a portion 101 corresponding to a T-shaped horizontal bar of the supply pipe 100, and the injection nozzles 130, 13
The pressure on zero can be reduced.

FIGS. 6 and 7 show a second embodiment of the cleaning device for a vehicle illumination lamp according to the present invention.

The second embodiment differs from the first embodiment only in the shapes of the cleaning water supply pipe and the nozzle holder and in that they are integrally formed. Only the different points are illustrated and described, and the other points are not illustrated and described.

The washing water supply pipe 200 has a substantially T-shape, that is, a shape in which pipe members are integrally connected in a T-shape, and a portion 201 corresponding to a T-shaped horizontal bar. Are open at both ends. Then, both ends 202 of the portion 201 are cleaning water supply ends. Also, T
A portion 203 corresponding to the vertical bar of the character is a connecting portion with a water supply connecting pipe (not shown).

The nozzle holders 210, 210 are integrally connected to the washing water supply ends 202, 202 of the washing water supply pipe 200 so as to project in a direction opposite to a projecting direction of a portion 203 corresponding to a T-shaped vertical bar. ing.

Each nozzle holder 210 has a cylindrical nozzle holding portion 211 having a short axial length and a nozzle holding portion 2.
11 and a connecting pipe portion 212 having a diameter smaller than that of the nozzle holding portion 211 and integrally formed with one end of the nozzle holding portion 211. And
The connection pipe part 212 is connected to the cleaning water supply end 202 of the cleaning water supply pipe 200.

At the open ends at both ends of a portion 201 corresponding to the T-shaped horizontal bar of the washing water supply pipe 200, a plug 220,
220 is fitted, thereby closing the open end.

Further, the nozzle holders 210, 21
In the nozzle holding units 211, 211, the ejection nozzle 13 is provided.
0, 130 are held in an inner fit.

Thus, even in the vehicle illumination lamp cleaning apparatus according to the second embodiment, the cleaning water supply pipe 20 is not used.
By adjusting the length of the portion 201 corresponding to the 0 T-shaped horizontal bar, it is possible to adapt to various vehicle illumination lamps having different widths in the left-right direction.

Further, when the present invention is applied to a cleaning device for a vehicle lighting device which is housed in a bumper when not in use and protrudes from the bumper when in use as described above, the water pressure of the washing water is increased by the washing water supply pipe. The pressure applied to the portion 201 corresponding to the 200 horizontal T-shaped bar can be reduced, and the pressure applied to the injection nozzles 130 and 130 can be reduced.

Further, in the apparatus for cleaning a vehicle illumination lamp according to the second embodiment, since the cleaning water supply pipe 200 and the nozzle holders 210, 210 are integrally formed,
The number of parts can be reduced and the number of assembly steps can be reduced.

In the above embodiment, the present invention is applied to a cleaning device for a vehicle illumination lamp which is housed in a bumper when not in use and projects from the bumper when in use. Such a thing is not indispensable to the present invention, even when the position of the injection nozzle does not change between when not in use and when in use, for example, even when the cleaning water supply pipe is fixed to the bumper and used. I do not care.

[0045]

As is apparent from the above description, the cleaning device for a vehicle lighting device according to the present invention has a spray nozzle for spraying cleaning water, and both ends of a portion corresponding to a T-shaped horizontal bar. A cleaning water supply pipe having a substantially T-shape serving as a supply end and a nozzle holder positioned at the cleaning water supply end and supporting the injection nozzle are provided.

Therefore, in the cleaning device for a vehicle lighting lamp according to the present invention, the vehicle lighting of various lateral widths can be obtained simply by adjusting the length of the portion corresponding to the T-shaped horizontal bar of the cleaning water supply pipe. Can handle lights.

According to the second aspect of the present invention, the nozzle holder is formed separately from the washing water supply pipe, and is integrally formed such that the connecting pipe portion and the nozzle holding portion form an L shape. The cleaning water supply pipes of different types, that is, the lengths of the portions corresponding to the T-shaped horizontal bars, are different because the formed connection pipe section is connected to the cleaning water supply end of the cleaning water supply pipe. By combining the standardized nozzle holders, it is possible to cope with various vehicle lighting lamps having different left and right widths.
Further, since the direction of the nozzle holder can be changed with respect to the cleaning water supply pipe, it is possible to cope with a lens having a large curved surface.

Further, according to the third aspect of the present invention, since the nozzle holder and the cleaning water supply pipe are integrally formed, the number of parts and the number of assembling steps can be reduced. .

Still further, as in the invention as set forth in claim 4, a cylinder and a piston slidably supported in the axial direction with respect to the cylinder are provided, and the washing water supply pipe is connected to a tip of the piston. When the piston slides out of the cylinder by the supply pressure of the washing water and the washing water is injected from the injection nozzle in a state where the piston projects from the cylinder, the T-shape of the washing water supply pipe is used. The water pressure of the washing water is applied to the portion corresponding to the horizontal bar of, and the water pressure applied to the injection nozzle can be reduced.

It should be noted that the specific shapes and structures of the respective parts described in each of the above-described embodiments are merely examples of the embodiment of the present invention.
These should not be interpreted as limiting the technical scope of the present invention.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of a cleaning device for a vehicle illumination lamp according to the present invention together with FIGS. 2 to 5, wherein the drawing is not used, that is, cleaning water is not injected. It is a longitudinal cross-sectional view which shows the whole of a state.

FIG. 2 is an enlarged cross-sectional view showing a main part in a state of use, that is, in a state of spraying cleaning water.

FIG. 3 is an enlarged perspective view of a main part.

FIG. 4 is an exploded perspective view of a main part.

FIG. 5 is an enlarged cross-sectional view of a main part showing a state in which an ejection nozzle of a nozzle holding unit of the nozzle holder is held.

FIG. 6 shows a second embodiment of the cleaning device for a vehicle illumination lamp according to the present invention together with FIG. 7, which is an enlarged perspective view of a main part.

FIG. 7 is an enlarged exploded perspective view of a main part.

FIG. 8 is a perspective view showing a main part of an example of a conventional cleaning device for a vehicle illumination lamp.

[Explanation of symbols]

10 ... Vehicle lighting cleaning device, 40 ... Cylinder, 50
... Piston, 100 ... Washing water supply pipe, 101 ... Part corresponding to a T-shaped horizontal bar, 102 ... Washing water supply end, 120 ... Nozzle holder, 121 ... Nozzle holding part, 122 ... Connecting pipe part, 130 ... Injection nozzle , 200 ... washing water supply pipe, 20
Reference numeral 1 denotes a portion corresponding to a T-shaped horizontal bar; 202 denotes a cleaning water supply end; 210 denotes a nozzle holder; 211 denotes a nozzle holding unit;
12: Connecting pipe

Claims (4)

[Claims] An injection nozzle for injecting cleaning water; a substantially T-shaped cleaning water supply pipe having both ends of a portion corresponding to a T-shaped horizontal bar serving as cleaning water supply ends; And a nozzle holder for supporting the injection nozzle. 2. The nozzle holder is formed separately from the washing water supply pipe, and the connecting pipe part and the nozzle holding part are integrally formed so as to form an L-shape. The cleaning device for a vehicle illumination lamp according to claim 1, wherein the cleaning device is connected to a cleaning water supply end. 3. The cleaning device for a vehicle illumination light according to claim 1, wherein the nozzle holder and the cleaning water supply pipe are formed integrally. 4. A washing water supply pipe is connected to a tip of the piston, the piston being slidably supported in an axial direction with respect to the cylinder, and the piston is moved from the cylinder by a supply pressure of the washing water. 4. The vehicle according to claim 1, wherein the water is slid so as to protrude, and the cleaning water is jetted from the jet nozzle in a state where the piston protrudes from the cylinder. Cleaning equipment for lighting.