JPH0351250Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a vehicle height detection device for an automatic car wash machine installed at a gas station and used to wash automobiles, for example.

BACKGROUND ART In an automatic car wash machine, as shown in FIG.
3, and can freely travel back and forth on a fixed path by the operation of a drive device (not shown). The car wash main body 31 has a finishing wax arch 34.
, base wax arch 35, and rinse arch 3
6, a detergent arch 37, a top nozzle 38,
High pressure spray nozzle 39 and side nozzle 40
, a side cleaning brush 41 , and a top cleaning brush 42
and lower side cleaning brush (Rotsuker brush) 43
is incorporated.

A vehicle height detection device 44 is disposed above the entrance of the car wash main body 31.
The top nozzle 38 is moved up and down based on the detection of the top surface (vehicle height) of the automobile 46.

The vehicle height detection device 44, as shown in FIG.
The main body is an elevating frame 47 having a top nozzle 38, and the elevating frame 47 is attached to a link 48 provided on the car wash machine main body 31 so as to be rotatable in the vertical direction, and a cylinder device 49 that rotates the link 48.
has been established. A cam 51 is attached to the elevating frame 47 via a horizontal shaft 50 in the left-right direction, and an idler wheel 54 is attached to a bracket 52 integrated with the cam 51 via a support shaft 53 in the left-right direction.

From the bracket 52, the idler wheel 5 is positioned below the longitudinal axis 55 passing through the axis of the support shaft 53.
A detection bar 57 is provided in series that extends through the outer peripheral area 56 of 1, then extends rearward, and then extends rearward and upward.
Further, the lifting frame 47 is provided with an operating valve 58 that is operated by the cam 51.

In such a conventional configuration, when the car wash main body 31 is moved backward 61 with respect to the car 46, the detection bar 57 comes into contact with the rear window 62 of the car 46, causing the bracket 52 to rotate upward around the horizontal axis 50. Then, the integral cam 51 rotates around the horizontal shaft 50 to operate the operating valve 58, and based on this, the cylinder device 49 is operated to raise and lower the elevator frame 47.

By the way, the automobile 46 has a type in which a rear spoiler 60 is provided at the rear end, and when the car wash main body 31 is moved backward 61, the rear spoiler 60 is installed.
The idling wheel 54 will be caught in this. In this case, the detection bar 57, which is in advance of the idler wheel 54, comes into contact with the rear spoiler 60, and by rotating the bracket 52, the elevating frame 47 is raised in the same manner as described above.

Problems to be Solved by the Invention According to the conventional type described above, the existence of the detection bar 57 makes it possible to effectively deal with the rear spoiler 60. However, most of the cars 46 to be washed do not have a rear spoiler 60, and in this case, the detection bar 57 comes into contact with the rubber molding 63 of the rear window 62 during the return process, and the rubber molding is caused by sliding contact. 63 is damaged, and the detection bar 57 is deformed to be difficult to slip due to the frictional resistance.

An object of the present invention is to provide a vehicle height detection device for an automatic car wash machine that can detect a rear spoiler during the return process and prevent sliding contact with the rubber molding in models that do not have a rear spoiler. .

Means for Solving the Problems In order to solve the above-mentioned problems, the vehicle height detection device for an automatic car wash according to the present invention has a lever mounted on a lifting frame integrated with the top nozzle, which is rotatable via a horizontal axis in the left and right direction. Attachment: This lever extends rearward and upward, and an idler is attached to its free end via a horizontal pin parallel to the horizontal axis, and a rotating shaft parallel to the horizontal axis is mounted rearwardly and upwardly from the horizontal pin. The cam is disposed so as to be supported by the lifting frame, a cam is attached to the rotating shaft, and a detector is provided to detect rotation of the cam,
forming a recess in the cam into which the horizontal pin fits;
On the lever side, a support rotatable integrally with the lever through the horizontal axis is provided facing rearward, and a detection bar is provided continuously extending rearward and upward from the support, and the detection bar is configured to: It is disposed to extend rearward and upward from a position below the longitudinal axis passing through the axis of the horizontal pin, and to pass through the outer peripheral area of the idler wheel at a position above the longitudinal axis.

According to the configuration of the present invention, during the return process, if the vehicle has a rear spoiler, the portion of the detection bar located rearward and above the rear end of the free wheel comes into contact with the rear spoiler. , this detection bar is rotated upwardly about the horizontal axis together with the support, and a lever integrated with this support is rotated upwardly about the horizontal axis.

As a result, the horizontal pin is moved around the horizontal axis, and this moving force is transmitted to the cam via the recess, causing the cam to rotate around the rotation axis. The rotation of the cam is detected by a detector, and the elevating frame is moved up and down based on the detected rotation.

Also, if the car is a model without a rear spoiler, the idler wheels will come into contact with the car's rear window, rubber molding, etc., causing the lever to rotate upward about the horizontal axis. The idle wheels roll.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. Here, in the following description, when referring to front and back, the forward 26 side (the left side in FIG. 1) of the car wash main body is the front, and the reverse 27 side (the right side in FIG. 1) is the rear.

Reference numeral 1 denotes an elevating frame integral with the top nozzle 2, which is interlocked and connected to an elevating drive device (not shown) consisting of links, cylinder devices, and the like. Reference numeral 3 denotes a horizontal axis in the left-right direction, which is rotatably attached to the lower end of the lifting frame 1.
A pair of left and right levers 4 are attached to the horizontal shaft 3, and these levers 4 extend rearward and upward. A horizontal pin 5 parallel to the horizontal shaft 3 is attached between the free ends of both levers 4, and this horizontal pin 5 projects outward through a long hole 6 formed in the side plate of the lifting frame 1. Idle wheels 7 are attached to both projecting ends.

A horizontal rotation shaft 8 supported by the lifting frame 1 is disposed at a position substantially on an extension line extending from the horizontal shaft 3 to the horizontal pin 5, and a cam 10 is connected to the rotation shaft 8 via an adjustment bolt 9. is installed. An arm rod 21 is attached to the support portion 11 that is integrated with the cam 10, and this arm rod 12 extends forward.
A roller 13 is attached to its free end. An operating valve 14, which is an example of a detector, is disposed at the upper part of the lifting frame 1, and a cam roller 16 attached to an operating rod 15 is in contact with the cam 10. The cam 1
A recess 17 is formed in the communication portion between the support portion 11 and the support portion 11, and the horizontal pin 5 is fitted into the recess 17 and positioned therein.

A support 18 is connected rearward from the horizontal axis 3, and a detection bar 19 is connected rearwardly and upwardly from the support 18. At that time, the detection bar 19
An outer circumferential region 21 of the idler wheel 7 extends rearward and upward from a position below the longitudinal axis 20 passing through the axis of the horizontal pin 5, and is located above the longitudinal axis 20.
After passing through, it is arranged so that it extends rearward and upward at a steep angle.

In the embodiment described above, when the car wash machine main body moves backward 27 during the return process, the idler wheels 7 come into contact with the upper surface of the automobile 22, and the lever 4 rotates up and down around the horizontal shaft 3 accordingly. Then, the horizontal pin 5 integrated with the lever 4 is moved around the horizontal shaft 3, and this moving force is applied to the recess 17.
is transmitted to the cam 10 via the rotary shaft 8, causing the cam 10 to rotate around the rotating shaft 8. As a result, the operating valve 14 is operated via the cam roller 16 and the like, and the elevating frame 1 is controlled to move up and down.

Also, during the return process by the reverse movement 27 of the car wash machine body,
If the automobile 22 has a rear spoiler 23, a portion of the detection bar 19 above the longitudinal axis 20 contacts the rear spoiler 23, as shown by the solid line in FIG. As shown by the imaginary line in FIG. 1, as the detection bar 19 rotates, the horizontal pin 5 moves around the horizontal axis 3, so that the operating valve 14 is operated in the same manner as described above.

In addition, as shown by the imaginary line A in FIG.
2 is a model that does not have a rear spoiler 23, for example, the rear window 24 or rubber molding 2
The idler wheel 7 contacts 5 and operates the operating rod 14,
At this time, the idle wheel 7 is rotated freely.

Effects of the Invention According to the present invention having the above configuration, during the return process, if the vehicle is of a type that has a rear spoiler, a portion of the detection bar located rearward and upper than the rear end of the free wheel of the detection bar is attached to the rear spoiler. contact, this detection bar rotates upwards around the horizontal axis together with the support, and the lever integrated with this support is rotated upwards around the horizontal axis. This causes the horizontal pin to move around the horizontal axis, and this moving force is transmitted to the cam via the recess, causing the cam to rotate around the rotation axis, thereby detecting the rotation of the cam. This can be detected by a device, and the elevator frame can be moved up and down based on the detection.

Furthermore, if the car is of a model without a rear spoiler, the free wheel will come into contact with the car's rear window or rubber molding before the detection bar, and the lever will rotate upward about the horizontal axis. Detection can be performed by moving the rubber molding, the detection bar, etc. since the idler wheels roll during this time, damage to the rubber molding, detection bar, etc. can be prevented.

[Brief explanation of the drawing]

Figures 1 and 2 show an embodiment of the present invention, with Figure 1 being a partially cutaway side view, Figure 2 being a front view, and Figure 3 being a partially cutaway side view.
The figure is a side view showing a conventional example, and FIG. 4 is a side view of the main parts. 1...Elevating frame, 2...Top nozzle, 3...Horizontal shaft, 4...Lever, 5...Horizontal pin, 7...Idle wheel, 8...Rotating shaft, 10...Cam, 12...Arm Rod, 13...roller, 14...operating valve (detector),
17... Recessed portion, 18... Support, 19... Detection bar, 20... Front-back axis, 21... Outer peripheral area,
23...Rear spoiler, 25...Rubber molding.

Claims (1)

[Scope of utility model registration request] A lever is rotatably attached to the lifting frame integrated with the top nozzle via a horizontal axis in the left-right direction. A rotating shaft parallel to the horizontal axis is supported by the elevating frame at a position rearward and upper than the horizontal pin, and a cam is installed on this rotating shaft, and rotation of the cam is detected. a detector is provided, a recess into which the horizontal pin fits is formed in the cam, and a support that is rotatable integrally with the lever is connected rearward to the lever side via the horizontal shaft; A detection bar is provided rearwardly and upwardly connected from this support, and this detection bar extends rearwardly and upwardly from a position below the longitudinal axis passing through the axis of the horizontal pin, and upwards than the longitudinal axis. 1. A vehicle height detection device for an automatic car wash machine, characterized in that the device is arranged so as to extend through the outer peripheral area of an idler wheel at a certain position.