JP2544452Y2 - Mat cleaning machine - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The invention relates to a mat washing machine for washing floor mats and the like of an automobile using washing water.

[Prior art and its problems] Generally, this type of mat washing machine is installed in a gas station or the like and is mainly used for washing floor mats of automobiles.

By the way, such a mat washing machine is often installed outdoors, and there is a problem that washing water freezes in winter and becomes unusable. In other words, in the case of a water supply pipe or the like that sends washing water to a mat washer, freezing can be easily prevented by winding a known anti-freezing heating wire, but it is difficult to take such measures even to pipes in the apparatus. Moreover, even if it is possible, there is a problem that the device becomes extremely expensive.

On the other hand, conventionally, a heater is provided near a pipe in a washing machine to prevent freezing. But,
In order to completely prevent freezing by the heater, a heater having a large calorific value is required, and there is a disadvantage that the apparatus and the maintenance cost are expensive. Further, even in a cold region, even if a large heater is provided, there is a case where the device is frozen at a terminal portion of a device such as a water supply portion and becomes unusable.

[Means for Solving the Problems] The present invention is directed to a mat washing machine that is provided with a sprinkling pipe for discharging washing water and that cleans an inserted mat using the washing water. A first switching valve for opening and closing a washing water pipe for supplying water, a check valve provided in the washing water pipe and located upstream of the switching valve, and washing between the switching valve and the check valve; An air line connected to the water line for introducing compressed air, a second switching valve comprising an electromagnetic valve for opening and closing the air line, input means for providing antifreezing measures, and an open / close state of the first switching valve And a notifying means. If the input means provides a freeze prevention measure, the second switching valve is opened if the first switching valve is open, and the first switching is performed. If the valve is in a closed state, the operating lever is provided by the notification means. In order to solve the above-mentioned problem, it is configured to promote the valve-opening operation.

[Example] Hereinafter, the example will be described with reference to the drawings.

FIG. 1 is an external view of one embodiment of the present invention, and FIG. 2 is an explanatory view of the configuration of the embodiment.

Reference numeral 1 denotes a main body of the mat washer, which is raised up to an appropriate height by the legs 2 and 2 and has a mat insertion opening 3 formed on the front surface. The mat M inserted from the insertion opening 3 is washed in the main body 1 and then discharged from the rear surface of the main body 1 to remove the legs 2.
It is sent forward by a wire net 4 provided between the two.

Reference numeral 5 denotes an operation lever for starting / stopping operation. 6
Is a water supply hose, which is connected to a water supply source such as a tap to obtain washing water. Reference numeral 7 denotes a drain hose for discharging cleaning water together with dirt removed during cleaning.

In the main body 1, a biting roll 9, a brush 10, and a squeezing roll 11 are sequentially arranged from the insertion port 3 toward the discharge port 8,
The inserted mat M is drawn into the main body 1 by the biting roll 9, washed with the brush 10, and then the washing water attached to the mat M is sucked and discharged by the squeezing roll 11. Reference numeral 12 denotes a motor for driving the biting roll 9, brush 10, and squeezing roll 11.

Reference numeral 13 denotes a washing water conduit communicating with the water supply hose 6, which communicates with water sprinkling pipes 14 to 16 provided in various parts of the main body 1 to supply washing water. The washing water pipe 13 and the water supply hose 6 are connected at a collar 17, and the water supply hose 6 can be easily removed by loosening the collar 17.

Reference numeral 18 denotes a switching valve provided in the middle of the washing water pipe 13,
The washing water pipe 13 is opened and closed according to the operation of the opening / closing lever 19, and the washing water to the sprinkling pipes 14 to 16 is cut off. The opening / closing lever 19 of the switching valve 18 is interlocked with the operation lever 5 via a link 20, and operates to open the switching valve 18 in conjunction with the operation start operation. 21 is a connection portion of the collar 17 of the washing water pipe 13 and a switching valve
Check valve located between the valve and 18, which is always open and has a flush water line
When a backflow of a predetermined pressure or more occurs from the water supply hose 6 to the water supply hose 6 side, it functions to close the pipeline.

An air line 22 communicates with the washing water line 13 between the switching valve 18 and the check valve 21 and is connected to an external air tank. twenty three
Is a solenoid valve provided in the air pipe 22, and introduces compressed air from the air pipe 22 into the water supply pipe 13 by opening the solenoid valve.

Reference numeral 24 denotes a microswitch that is opened and closed in accordance with the displacement of the operation lever 5, and detects that the operation lever 5 is in the operation position and the switching valve 18 is in the open state. 25 is body 1
An operation switch provided on the front side functions as an input unit when performing freeze prevention measures.

Reference numeral 26 denotes a control circuit, and the micro switch 24 controls the operation lever 5
When the circuit is closed, the motor 12 is controlled to start washing by driving, and the electromagnetic valve 23 is opened according to an input operation on the operation switch 25. 27 is an alarm device
The sound is output by a signal from the control circuit 26.

FIG. 3 is a flow chart showing the operation of the main part of the above embodiment, and the operation of the embodiment for preventing the freezing will be described below with reference to FIG.

When the operation switch 25 is pressed, the control circuit 26 determines that the switching valve 18 is closed if the microswitch 24 is open (1) according to the open / close state of the microswitch 24, and activates the alarm device 27. If the micro switch 24 is closed, it is determined that the switching valve 18 is open, and the solenoid valve 23 is opened for a certain period of time (3).

When the operation lever 5 is operated during the sound output in step (2) and the microswitch 24 is closed, the sound output is stopped, and the process proceeds to step (3) to open the solenoid valve 23 for a certain time. When it is detected that the predetermined time has elapsed from the start of the step (3), the solenoid valve 23 is returned to the closed state, and the freeze prevention measure is completed.

Therefore, the worker can use the water supply hose 6 in the collar 17.
Then, when the operation lever 5 is moved down to the operation side and the operation switch 25 is pressed in the washing state, the electromagnetic valve 23 is opened for a certain period of time, and compressed air is introduced into the washing water pipe 13. The introduced compressed air closes the water supply side of the flush water pipe 13 by the check valve 21, and is sent to the sprinkling pipes 14 to 16 to discharge the flush water remaining in the pipe.

When the operator forgets to switch the operation lever 5 to the operation side and presses the operation switch 25, a sound is output from the alarm device 27 to notify that the operation lever 5 is to be switched to the operation side. , The drainage of the pipeline can be performed as it is.

Here, it is conceivable that washing water may remain before and after the check valve 21 of the washing water pipe 13, but after a certain period of time, the electromagnetic valve 23
When the valve is closed, the normally open check valve 21 opens to open the flush water line.
13 is open to the atmosphere, so even if there is residual water, color 17
It is discharged more downward. In this way, when draining is completed,
The operation is completed by returning the operation lever 5 to the stop side.

[Effects of the Invention] The invention is configured as described above, and the compressed air introduced from the air pipeline can drain the water from the washing water pipeline to the water sprinkling pipe, thereby reliably preventing freezing. can do. Further, when the first switching valve is closed at the time of the freeze prevention measure, a notification is issued before opening the air line and the operation lever is urged to open the first switching valve.
Performing anti-freezing measures with the first switching valve closed;
The inconvenience that water cannot be drained from the washing water pipe can be solved. It is only necessary to use compressed air equipment normally provided in a gas station or the like that uses this type of device, and it is possible to make the configuration cheaper and simpler than providing a large heater as in the related art.

[Brief description of the drawings]

FIG. 1 is an external view of one embodiment of the present invention. FIG. 2 is a configuration explanatory view of the embodiment. FIG. 3 is a flowchart of the embodiment. 1 is a mat washing machine main body, 5 is an operation lever, 14 to 16 are watering pipes, 18 is a switching valve (first switching valve), 21 is a check valve, 22
Is an air line, 23 is a solenoid valve (second switching valve), 24 is a micro switch (detection means), 25 is an operation switch (input means), 26 is a control circuit, and M is a mat.

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 1-99763 (JP, U) Japanese Utility Model 1-31156 (JP, U) Japanese Utility Model 63-176590 (JP, U) Japanese Utility Model 1962 111270 (JP, U) Fully open 63-173358 (JP, U) Fully open 63-173388 (JP, U) Fully open 62-111270 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] 1. A mat washing machine having a sprinkling pipe for discharging washing water and washing an inserted mat using the washing water, wherein a washing water pipe for opening and closing the washing water and being operated by an operation lever to feed the washing water is provided. A first switching valve that opens and closes, a check valve provided in the washing water pipe and located upstream of the switching valve, and a compressed air introduced through the washing water pipe between the switching valve and the check valve; An air line to be opened and closed, a second switching valve including an electromagnetic valve for opening and closing the air line, input means for providing an anti-freezing measure, means for detecting the open / closed state of the first switching valve, and notification means. When a freeze prevention measure is given by the input means, the second switching valve is opened if the first switching valve is in the open state, and the second switching valve is opened if the first switching valve is in the closed state. The valve opening operation by the driving lever is urged by the notification means. Mat cleaning machine for.