JP3563675B2 - Headlamp cleaner - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a novel headlamp cleaner. Specifically, when cleaning the headlamp, in the headlamp cleaner in which the injection nozzle projects out of the bumper from the insertion hole provided in the bumper, the positioning between the insertion hole through which the injection nozzle is inserted and the cylinder is reliably performed. And a technique for preventing the appearance of the vehicle when not in use from being spoiled .
[0002]
[Prior art]
A cylinder having a cylindrical shape, a piston slidably coupled to the cylinder, and an injection nozzle attached to a tip of the piston, wherein when the cleaning water is pressure-fed to the cylinder, the piston is moved from the cylinder to a predetermined position. There is a headlamp cleaner in which cleaning water is injected from an injection nozzle after projecting to a position.
[0003]
In the headlamp cleaner described above, the cylinder is fixed to the vehicle body (including an attachment member fixed to the vehicle body other than the vehicle body frame), an insertion hole is formed in the bumper, and when used, that is, when the headlamp is cleaned. The injection nozzle projects from the insertion hole to a predetermined position.
[0004]
[Problems to be solved by the invention]
By the way, in the above-mentioned conventional headlamp cleaner, the cylinder is fixed only to the vehicle body, so that the insertion hole provided in the bumper separately attached to the vehicle body and the injection nozzle provided at the tip of the piston are not provided. There is a problem that a positional deviation easily occurs between them.
[0005]
Then, when a misalignment occurs between the injection nozzle and the insertion hole of the bumper, the cover is provided integrally with the injection nozzle and is used to close the insertion hole provided in the bumper when not in use. If the misalignment occurs and the insertion hole is not completely closed when not in use, or if the misalignment is severe, there is a problem that the injection nozzle or piston interferes with the bumper, which may cause damage to the injection nozzle. There's a problem.
[0006]
Therefore, the present invention provides a headlamp cleaner in which the ejection nozzle projects out of the bumper through the insertion hole provided in the bumper when cleaning the headlamp, the positioning between the insertion hole through which the ejection nozzle is inserted and the cylinder. It is another object of the present invention to ensure that the vehicle does not lose its appearance when not in use .
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the headlamp cleaner of the present invention has an insertion hole through which an injection nozzle projects outwardly formed in an upper surface portion of a bumper fixed to a vehicle body, and has a cylinder around the insertion hole and a lower surface of the bumper. After supporting the bumper via a bracket fixed to the part, a nozzle cover that closes the insertion hole is fixed to the tip of the piston, and when the washing water is not pumped to the cylinder, the nozzle cover is used. The insertion hole is closed, and the nozzle cover covers a fixing means for fixing the bracket to the bumper around the insertion hole.
[0008]
Therefore, in the headlamp cleaner of the present invention, since the cylinder is directly mounted on the inside of the bumper via the bracket, it is possible to easily and reliably perform the positioning between the injection nozzle and the insertion hole provided in the bumper. it can.
[0009]
By fixing the cleaner to the bumper via the bracket, it is possible to prevent the shock to the bumper in an accident or the like from being directly transmitted to the cleaner, thereby preventing the cleaner from being damaged.
[0010]
The headlamp cleaner is firmly fixed to the bumper by fixing the bracket away from the vicinity of the insertion hole, so that the headlamp cleaner does not move even if the piston protrudes during cleaning, and By fixing one end to the vicinity of the insertion hole, the positional deviation between the injection nozzle and the insertion hole is reduced.
[0011]
Further, when not in use, the fixing means for fixing the bracket to the bumper is covered by the nozzle cover which is moved by movement of the piston during use, so that the fixing means does not impair the appearance of the vehicle.
[0012]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the headlamp cleaner of the present invention will be described with reference to the accompanying drawings.
[0013]
The headlamp cleaner 1 includes a substantially cylindrical cylinder 2. When the washing water is supplied into the cylinder 2 from a supply pipe 4 formed at the base end of the cylinder 2, the piston 3 projects from the tip of the cylinder 2 by the supply pressure of the washing water. When the piston 3 is protruded to a predetermined position, a check valve provided at the rear end of the piston 3 is opened, and the cleaning water is pumped toward the front end of the piston 3 and attached to the front end of the piston 3 as described later. The washing water is sprayed from the spraying nozzle. When the supply of the washing water is stopped, the check valve is closed, and the piston 3 is drawn into the cylinder 2 by a return spring provided inside the cylinder 2.
[0014]
That is, a cylindrical piston 3 having a diameter smaller than that of the cylinder 2 is slidably fitted in the cylinder 2, and a substantially cylindrical top cap 5 fixed to the tip of the cylinder 2 so as to be fitted inside. A coil-shaped return spring 8 is arranged in a contracted state between an inner flange 6 formed at the distal end and a flange 7 protruding from the base end of the piston 3. The piston 3 is urged by the return spring 8 so that the base end thereof is pressed against the base end of the cylinder 2.
[0015]
A check valve 9 is provided at the base end of the piston 3. The check valve 9 has a diaphragm 11 made of an elastic body disposed in a valve case 10 provided at a base end of the piston 3. A peripheral portion of the diaphragm 11 is compressed by a compression spring 12 to a base surface of the valve case 10. State.
[0016]
When the washing water is supplied into the base end of the cylinder 2 through the supply pipe 4, the piston 3 is projected from the cylinder 2 while compressing the return spring 8 by the pressure of the washing water. When the cylinder 3 protrudes from the cylinder 2, the compression spring 12 of the check valve 9 is further compressed by the increased pressure of the washing water, and the deformation of the diaphragm 11 causes the passage from the base end side of the valve case 10 to the inside. Is established, and the washing water is supplied into the piston 3. Then, the cleaning water supplied into the piston 3 is injected from an injection nozzle described later.
[0017]
The cylinder 2 is fixed to a bracket 13. The bracket 13 is formed of a metal plate, and includes a base 17 formed by integrally connecting two support pieces 14 and 15 vertically spaced apart from each other by a connecting portion 16, and a mounting leg piece from a lower end of the base 17. Reference numeral 18 denotes mounting arms 19, 19 protruding from the upper end of the base 17, respectively. The support piece 14 has a mounting hole 20 and the support piece 15 has a fitting hole 15a. A notch (not shown) is formed in the peripheral portion of the mounting hole 20 so as to be appropriately separated in the circumferential direction.
[0018]
The mounting leg piece 18 has a vertically long inverted triangular shape, has a fixing piece 21 at a lower end, and a screw hole 21 a is formed in the fixing piece 21. A reinforcing rib 22 extending vertically is formed in the center of the mounting leg piece 18 in a punched shape, and reinforcing pieces 23 are bent at both side edges. The mounting arm 19 has an elongated plate shape, has a fixing piece 24 at the upper end, and a screw hole 24a is formed in the fixing piece 24. Reinforcing ribs 25 extending in the vertical direction are formed in the mounting arm piece 19 so as to be embossed, and reinforcing pieces 26, 26 are formed by bending on both side edges.
[0019]
A flange portion 27 is protruded at a position near the upper end of the cylinder 2, and holding pieces 28, 28, 28 are protruded from the flange portion 27 at a position slightly separated from the flange portion and appropriately separated in the circumferential direction. Have been.
[0020]
Reference numeral 29 denotes a waterproof boot formed of an elastic material such as rubber into a cylindrical bellows shape. The waterproof boot 29 has a lower end fixed to the upper end of the cylinder 2 and an upper end closer to the upper end of the piston 3. It is fixed to the outer peripheral surface of the position. Thereby, waterproofness between the cylinder 2 and the piston is achieved.
[0021]
A nozzle unit 30 is attached to the upper end of the piston 3. The nozzle unit 30 includes an injection nozzle 31 and a nozzle case 32 that holds the injection nozzle 31. The nozzle case 32 is formed by integrally forming a nozzle holding portion 32a that opens substantially upward and a connecting tube portion 32b that projects downward from the lower end of the nozzle holding portion 32a. The injection nozzle 31 is fitted inside the nozzle holding portion 32a so that the posture can be changed.
[0022]
In the nozzle unit 30 described above, the connecting pipe 32b is connected to the upper end of the piston 3 so as to be fitted inside, whereby the piston 3 → the connecting pipe 32b of the nozzle case 32 → the same nozzle holding section 32a → the injection nozzle 31. When the washing water circulation path is formed and the washing water is supplied to the cylinder 2 as described above, the check valve 9 opens when the piston 3 projects from the cylinder 2 to a predetermined position, and the washing water circulation path is opened. And the inside of the cylinder 2 are communicated with each other, and the washing water is sprayed from a jet port (not shown) of the jet nozzle 31 toward a front cover of a head lamp (not shown).
[0023]
The nozzle cover 33 is fixed to the nozzle case 32. In the nozzle cover 33, two mounting bosses 33b, 33b are vertically suspended from the lower surface of the umbrella-shaped cover portion 33a so as to be separated to the left and right. The reinforcing ribs 33c, 33c,... Are integrally formed. In the nozzle holding portion 32a of the nozzle case 32, connecting pieces 32c, 32c protruding left and right are integrally formed, and mounting screws 34, 34 inserted from the lower surface side of the connecting pieces 32c, 32c are connected to the nozzles. The nozzle 33 is screwed into the lower surfaces of the mounting bosses 33b, 33b of the cover 33, whereby the nozzle case 32 and the nozzle cover 33 are integrally connected.
[0024]
The cylinder 2 is attached to the bracket 13 described above. The cylinder 2 is inserted through the mounting holes 20 of the support pieces 14 and 15 of the bracket and the fitting hole 15a in this order from the lower end side. An annular bushing 38 made of an elastic material is attached to the fitting hole 15a in advance, and an annular packing 39 is externally fitted to the cylinder 2 and applied to the lower surface of the flange portion 27. I have. Then, as described above, the cylinder 2 is inserted in the order of the mounting hole 20 and the fitting insertion hole 15a, and the holding pieces 28, 28, 28 of the cylinder 2 are inserted through the insertion notches (not shown) of the mounting hole 20, and the flange portion 27 is formed. When the cylinder 2 is rotated with respect to the bracket 13 at a position where the holding piece 28 comes into contact with the support piece 14 via the packing 39, the holding pieces 28, 28, 28 are displaced from the insertion notches and the lower opening of the mounting hole 20 is opened. Touch the edge. Therefore, the opening edges of the mounting holes 20 of the support pieces 14 of the bracket 13 are vertically held by the holding pieces 28, 28, 28 and the flange 27 via the packing 39. The cylinder 2 is attached to the bracket 13 as described above.
[0025]
The bracket 13 is attached inside the bumper 35. That is, an insertion hole 36 is formed in the upper surface of the bumper 35, and fixed pieces 24, 24 formed on the upper ends of the mounting arm pieces 19, 19 of the bracket 13 are formed on the left and right opening edges of the insertion hole 36. Are fixed by being screwed into the screw holes 24a, 24a with the mounting screws 37, 37 inserted from above in the upper surface portion (see FIGS. 3 and 4). The fixing piece 21 of the mounting leg piece 18 is fixed to the lower surface of the bumper 35 by screwing the mounting screw 37 inserted through the lower surface of the bumper 35 from below into the screw hole 21a.
[0026]
As described above, the cylinder 2 is supported by the bumper 35 via the bracket 13.
[0027]
The nozzle unit 30 is attached to the piston 3 after the cylinder 2 is attached to the bumper 35 via the bracket 13. That is, after the cylinder 2 is attached to the bumper 35, the connecting pipe portion 32 b of the nozzle unit 30 is inserted into the insertion hole 36 from the upper side of the upper surface of the bumper 35, and is fitted inside the tip of the piston 3. Thereby, in a state where the cleaning water is not supplied to the cylinder 2, the cover portion 32a of the nozzle cover 33 provided integrally with the nozzle case 32 of the nozzle unit 30 covers the insertion hole 36 of the bumper 35 from above, and Since the opening edge of the insertion hole 36 is also covered, the mounting screws 37, 37 inserted into the upper surface of the bumper 35 are also hidden (see FIG. 1).
[0028]
When the washing water is supplied to the cylinder 2, the piston 3 projects from the cylinder 2 by the pressure of the washing water, and the injection nozzle 31 projects outside the bumper 35 through the insertion hole 36 of the bumper 35. When the piston 3 is projected to a predetermined position (see FIG. 3), the projection of the piston 3 from the cylinder 2 is stopped, and the piston 3 is provided at the lower end of the piston 3 by the increased pressure of the washing water. The check valve 9 is opened to communicate the above-described washing water flow path with the inside of the cylinder 2, and the washing water is jetted from the jet port of the jet nozzle 31 toward the front cover of the headlamp (not shown).
[0029]
When the supply of the washing water to the cylinder 2 is stopped, the above-described check valve 9 is closed, the piston 3 is housed in the cylinder 2 and is drawn into the cylinder 2 by the return spring 8, and the injection nozzle 31 is moved below the bumper 35. After being retracted, the insertion hole 36 of the bumper 35 is covered by the cover portion 33a of the nozzle cover 33 (see FIG. 1).
[0030]
In the headlamp cleaner 1 described above, since the cylinder 2 is mounted inside the bumper 35 via the bracket 13, the injection nozzle 31 provided at the tip of the piston 3 slidably connected to the cylinder 2. Alignment between the bumper 35 formed with the insertion hole 36 through which is inserted and the injection nozzle 31 can be easily and reliably performed. Accordingly, various problems caused by the positional deviation between the injection nozzle 31 and the insertion hole 35, for example, a positional deviation occurs between the nozzle cover 33 and the insertion hole 36, and the insertion hole 36 is completely closed when not in use. It is possible to avoid such inconvenience that the injection nozzle 31 and the piston 3 interfere with the bumper 35 due to the fact that the injection nozzle 31 and the piston 3 are not displaced or the position of the injection nozzle 31 and the piston 3 are so great.
[0031]
By fixing the cleaner 1 to the bumper 35 via the bracket 13, it is possible to prevent the shock to the bumper 35 in an accident or the like from being directly transmitted to the cleaner 1 to prevent the cleaner 1 from being damaged.
[0032]
Since the bracket 13 is fixed at a position away from the periphery of the insertion hole 36, the headlamp cleaner 1 is firmly fixed to the bumper 35, and the headlamp cleaner 1 may move even if the piston 3 projects during cleaning. Further, since one end of the placket 13 is fixed around the insertion hole 36, the positional deviation between the injection nozzle 31 and the insertion hole 36 is reduced.
[0033]
When not in use, the fixing means (mounting screw 37) for fixing the bracket 13 to the bumper 35 is covered and hidden by the nozzle cover 33 which is moved by the movement of the piston 3 during use, so that the fixing means improves the appearance of the vehicle. No damage.
[0034]
In the above-described embodiment, the means for fixing the bracket 13 to the bumper 35 is screwed with the mounting screw 37, but this does not mean that the means for fixing the bracket to the bumper is limited to screwing. .
[0035]
In addition, the shapes and structures of the respective parts shown in the above-described embodiments are merely examples of the specific embodiments performed when carrying out the present invention, and the technical scope of the present invention is limited thereby. It must not be interpreted.
[0036]
【The invention's effect】
As is clear from the above description, the headlamp cleaner of the present invention includes a cylindrical cylinder, a piston slidably coupled to the cylinder, and an injection nozzle attached to a tip of the piston. A headlamp cleaner for ejecting washing water from an injection nozzle after the piston projects from the cylinder to a predetermined position when the washing water is pressure-fed to the cylinder, wherein the injection nozzle projects outward. Is formed on the upper surface of a bumper fixed to the vehicle body, and the cylinder is supported by the bumper via a bracket fixed to the periphery of the insertion hole and the lower surface of the bumper, and then the insertion hole is formed at the tip of the piston. securing the nozzle cover for closing the, when the washing water is not pumped into the cylinder, the insertion hole closed by the nozzle cover With the nozzle cover is characterized in that so as to cover the fastening means that secure the bumper in the insertion hole near the bracket.
[0037]
Therefore, in the headlamp cleaner of the present invention, since the cylinder is directly attached to the inside of the bumper via the bracket, it is possible to easily and reliably perform the positioning between the injection nozzle and the insertion hole provided in the bumper. it can.
[0038]
By fixing the cleaner to the bumper via the bracket, it is possible to prevent the cleaner from being damaged by an impact on the bumper that is directly transmitted to the cleaner in an accident or the like.
[0039]
The headlamp cleaner is firmly fixed to the bumper because the bracket is fixed at a place away from the vicinity of the insertion hole, and the headlamp cleaner does not move even if the piston protrudes during cleaning, and the placket By fixing one end to the vicinity of the insertion hole, the positional deviation between the injection nozzle and the insertion hole is reduced.
[0040]
Further, when not in use, the fixing means for fixing the bracket to the bumper is covered by the nozzle cover which is moved by movement of the piston during use, so that the fixing means does not impair the appearance of the vehicle.
[Brief description of the drawings]
FIG. 1 shows an embodiment of a headlamp cleaner according to the present invention, and FIG. 1 is a longitudinal sectional side view in a non-operation state.
FIG. 2 is a rear view in a non-operation state.
FIG. 3 is a side view in an operation state.
FIG. 4 is a plan view in an operation state.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Head lamp cleaner, 2 ... Cylinder, 3 ... Piston, 13 ... Bracket, 31 ... Injection nozzle, 33 ... Nozzle cover, 35 ... Bumper, 36 ... Insertion hole, 37 ... Mounting screw (fixing means)

Claims (1)

A cylinder having a cylindrical shape, a piston slidably coupled to the cylinder, and an injection nozzle attached to a tip of the piston, wherein when the cleaning water is pressure-fed to the cylinder, the piston is moved from the cylinder to a predetermined position. A headlamp cleaner in which cleaning water is injected from an injection nozzle after projecting to a position,
An insertion hole through which the injection nozzle projects outward is formed on the upper surface of a bumper fixed to the vehicle body ,
After supporting the cylinder on the bumper via a bracket fixed to the periphery of the through hole and the lower surface of the bumper,
A nozzle cover for closing the insertion hole is fixed to the tip of the piston,
When the cleaning water is not being pumped to the cylinder, the insertion hole is closed by the nozzle cover, and the nozzle cover covers the fixing means for fixing the bracket to the bumper around the insertion hole. A headlamp cleaner characterized by the following.

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