JPH0237648Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an apparatus for cleaning tires (including wheels) of automobiles, motorcycles, etc.

(Prior art and its problems) When refueling a car, etc. at a gas station, employees at the gas station wash the tires as part of their customer service, but the current cleaning method uses cleaning liquid. Since it is a so-called hand-washing method in which the product is washed while scrubbing with a hand brush attached to the product, sufficient cleaning cannot be done during normal refueling hours, and therefore it is not possible to provide a service that satisfies the customer. The cleaning work was quite physically demanding.

(Technical means for solving the problem) In view of the above-mentioned circumstances, the present invention aims to provide a tire cleaning device that can quickly and thoroughly clean tires, as well as simply and easily. The technical means for achieving this purpose is to install a movable base 1 and a telescopically adjustable column 3.
is pivotally mounted so as to be tiltable about its lower end, and an upright position return biasing means 5 is interposed between the support 3 and the base 1 to urge the support to return to the upright position. A casing 6 supporting a rotating shaft 7 is fixed to the upper end of the column, and this casing 6
A rotary shaft driving motor 8 is attached to the rotary shaft 7, a rotary brush 9 is attached to the tip of the rotary shaft 7, and a cleaning liquid jetting means is further provided for spouting cleaning liquid from inside the rotary brush 9. shall be.

(Example) An example of the present invention will be described below based on the drawings.

In FIGS. 1 and 2 showing the tire washing device according to the present invention, 1 is a base, and the base 1 is made to be able to move freely by means of a plurality of casters 2 installed on the underside of the base. Reference numeral 3 denotes a telescopically adjustable column. The lower end of the column 3 is pivotally connected to the base 1 by a ball joint 4, and can be tilted around the ball joint 4. It is always held in the upright position by an upright position return biasing means 5 interposed between the support column 3 and the base 1. Reference numeral 6 denotes a casing that rotatably supports the rotating shaft 7, and is fixed horizontally to the upper end of the support column 3. Reference numeral 8 denotes an air motor capable of forward and reverse rotation for driving a rotary shaft, which is attached to the rear end of the casing 6 and is interlocked and connected to the rear end of the rotary shaft 7. 9
A rotating brush is attached to the tip of the rotating shaft 7, and cleaning liquid is jetted from the inside of the rotating brush 9 by a cleaning liquid jetting means. 10 is a handle for operation.

To explain the above structure in more detail, a relatively large opening 11 is provided in the center of the base 1 so that the column 3 can freely tilt, and a support frame 12 is provided below this opening. installed,
A ball receiver 4b of the ball joint 4 is attached to the center of the bottom of the support frame 12, and a ball 4a protruding from the lower end surface of the support column 3 is rotatably engaged with the ball receiver 4b. The pillar 3
is always urged upward by an outer cylinder 13 on the lower side and a coil spring 14 which is telescopically fitted to this outer cylinder 12 and interposed between the outer cylinder 13. To adjust the height of this support 3, move the inner cylinder 15 from its most extended position to a coil spring 1, for example.
4 to a required height position, and at that position rotate the eccentric friction roller 16 for locking provided on the outer cylinder 13 side so that it comes into pressure contact with the outer peripheral surface of the inner cylinder 15. Just do it. As shown in FIG. 1, this eccentric friction roller 16 is attached to a mounting frame 17 provided integrally with the outer cylinder 13, and has a cutout groove 1 formed at the upper end of the outer cylinder 13.
8 to the inner cylinder 15 side, and the rotation operation is performed by a handle 19.

In addition, the upright position return biasing means 5 has a horizontal plate 20 fixed to the upper end side of the outer cylinder 13, as is particularly clear in FIG. Rod insertion holes 21, 21 are provided at the positions, and these insertion holes 2
Support rods 22 and 22 are inserted through the support rods 1 and 21, and coil springs 23 and 24 are fitted onto each support rod 22 on the upper and lower sides of the horizontal plate 20, respectively. The upper and lower ends of the lower coil spring 24 are fixed to the support rod 22 side and the horizontal plate 20 side, respectively, and the upper and lower ends of the lower coil spring 24 are fixed to the horizontal plate 20 side and the support rod
0 side, and the lower end of each support rod 22 is pivotally connected to the base 1 by a ball joint 25, so that the support rod 3 can be moved from an upright position. When a certain pushing force is applied to tilt the support column 3 forward, for example,
As the support column 3 is tilted, the horizontal plate 20 integrated therewith tilts and displaces the coil springs 23, 24. When the support column 3 is held in this tilted position and then released, the coil springs 23, 24 The elastic restoring force causes the column 3 to return to its original upright position via the horizontal plate 20.

A stopper rod 26 is provided on the support column 3, and the upper end of the rod 26 is fixed to the flange member 15a at the upper end of the inner cylinder 15.
It slidably passes through the projecting piece 13a at the upper end and the horizontal plate 20, respectively, and a stopper piece 26a is attached to the lower end thereof. Therefore,
The inner cylinder 15 has a stopper piece 26a that is connected to the horizontal plate 20.
When the stopper piece 26a hits the bottom of the support frame 12 of the base 1, the support 3 is at its lowest position. Further, the tilting movement of the support column 3 is restricted by a plurality of stopper pins 27 provided protrudingly on the base 1. That is, the horizontal plate 20, which is integral with the outer cylinder 13, can be tilted until the lower surface thereof hits one of the stopper pins 27.

The rotating shaft 7 is connected to the casing 6 via a bearing 28.
A passage 39 is formed in the front side of the rotating shaft 7 and extends in the axial direction through the center thereof, and the rear end of this passage 39 is
A plurality of communication passages 2 provided in the radial direction of the rotating shaft 7
9 into an annular passage 30 interposed between this rotating shaft 7 and the casing 7 . The front end of the passage 28 is open to the distal end surface of the rotating shaft 7. Further, the rear end of the rotating shaft 7 is connected to an air motor 8.
It is directly connected to the output shaft 8a of. A handle 10 for operation is attached to the upper surface of the central portion of the casing 7 in a fixed manner at a required attachment angle. Further, switching between forward and reverse rotation of the air motor 8 is performed, for example, by switching an operating lever (not shown).

The rotating brush 9 has a large number of hair-like bodies 32 having a required length implanted on the front surface of a disk-shaped substrate 31, and mounting members 33, 3 are attached to the tip of the rotating shaft 7.
4 and 35. A disk-shaped back plate 37 is provided on the back side of the disk-shaped substrate 31 to form a liquid chamber 36, and the substrate 31 is also provided with a large number of cleaning liquid ejection holes 38. Therefore, the means for spouting the cleaning liquid from inside the rotating brush 9 includes an annular passage 30 between the casing 6 and the rotating shaft 7, a plurality of communication passages 29, a passage 39 inside the rotating shaft 7, Rotating shaft 7 and mounting member 34
and the liquid chamber 36 on the back side of the substrate 31.
and a communication path 4 that communicates these two liquid chambers 40, 36.
1 and a cleaning liquid ejection hole 38, the cleaning liquid pressurized in a required cleaning liquid tank (not shown) with compressed air is supplied to the annular passage 30 from a cleaning liquid supply port (not shown) provided through the casing 6. supply,
The water is ejected forward from each ejection hole 38. The spout holes 38 are also provided in the mounting member 34 and the clamping member 42 located at the center of the brush 9. The compressed air is supplied by an air compressor installed in another location, but the compressed air supply pipe (main supply pipe) extending from this air compressor branches into two parts midway. , one branch pipe is connected to the cleaning liquid tank side, and the other branch pipe is connected to the air motor 8 side, and when the opening/closing knob provided on the main supply pipe is opened, compressed air flows through both branch pipes to the cleaning liquid tank and air motor 8. As a result, the rotation of the rotating brush 9 and the jetting of the cleaning liquid are performed at the same time. The above-mentioned opening/closing knob is attached to a required part of the operating handle 10.

When operating the tire cleaning device having the above-described configuration, for example, at a gas station, the device is moved to the side facing the tires of the car being refueled, and then the lock by the eccentric friction roller 16 is released. Then, use the handle 10 to open the inner cylinder 1 of the column 3.
5 with respect to the outer cylinder 13, so that the height of the rotating brush 9 matches the size of the tire or the cleaning area (center side or upper side) of the tire as shown by the dashed line in Fig. 2. It is then locked by the eccentric friction roller 16 at the properly adjusted position. Then, the opening/closing pot is opened, and cleaning is performed by lightly pressing the rotary brush 9 against the side surface of the tire while spouting the cleaning liquid and rotating it forward and reverse, for example, by 270 degrees. In this case, by operating the handle 10, the rotating brush 9 can be tilted at an appropriate angle as shown by the dashed line in FIG. 2, depending on the curved or inclined portion of the tire or wheel.

In this embodiment, an air motor is used as the drive motor, but an electric motor may also be used.

(Effects of the invention) According to the tire cleaning device of the present invention, since a rotary brush is used and rotated by a motor, the cleaning work is much faster and faster than the conventional method of washing by hand. It has the effect of being simple and easy to use, and since the support is extendable and adjustable, and can be tilted, the height and inclination of the rotating brush can be adjusted freely, and it can be adapted to tires of various sizes. It is possible to perform reliable and sufficient cleaning according to the condition of the cleaning surface (uneven areas and sloped areas) of each tire.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the main parts of a tire washing device according to the present invention, FIG. 2 is a longitudinal sectional view of the same device, and FIG. 3 is an enlarged longitudinal sectional view showing a biasing means for returning to an upright position. DESCRIPTION OF SYMBOLS 1... Base, 3... Support, 5... Upright position return biasing means, 6... Casing, 7... Rotating shaft, 8
... Motor (air motor), 9 ... Rotating brush,
10... Operating handle, 38... Cleaning liquid spout hole.

Claims (1)

[Scope of utility model registration request] A telescopically adjustable column is pivotally attached to a movable base so as to be tiltable about its lower end, and the column is biased between the column and the base to return to an upright position. A casing supporting a rotating shaft is fixed to the upper end of the column, and a motor for driving the rotating shaft is attached to the casing, and a rotating brush is attached to the tip of the rotating shaft. A tire cleaning device comprising a cleaning liquid jetting means attached to the rotary brush and jetting cleaning liquid from inside the rotating brush.