JPH0410950Y2 - - Google Patents

Description

[Detailed description of the invention] (1) Industrial application field The present invention relates to a dust suction device suitable for suction treatment of powder and other dust generated during sanding work after application of sheet metal putty in, for example, automobile repair work. .

(2) Conventional technology Conventionally, a workshop where such sanding work is carried out has a suction fan and its drive unit inside a housing near the side wall, and a large diameter diameter pipe connected to the suction fan on the front of the housing. A dust suction device with a suction port is generally installed.

(3) Problems that the invention aims to solve According to this conventional dust suction device, a large amount of air is pumped into a large diameter pipe along with the powder generated by sanding, regardless of where sanding is performed on the car. Suction from the suction port consumes a large amount of electricity, resulting in high operating costs.
In addition, when a worker performs sanding in front of the worker, the resulting powder is sucked into a dust suction device located behind the worker, which poses the problem of the worker inhaling the powder and harming his or her health. It was hot.

It is an object of the present invention to provide a dust suction device that solves these problems and makes it possible to reduce operating costs and maintain the health of workers.

(4) Means for solving the problem In order to achieve this objective, the present invention forms a suction passage groove connected to a suction source on the floor surface, and a lid of the groove is
It is characterized by forming a large number of suction ports, each of which is equipped with an on-off valve.

(5) Function Open only the on-off valve of the suction port located below the area where powder-generating work such as sanding is performed, and keep the on-off valves of other suction ports closed. The powder generated by activating the suction source is sucked downward and through the open suction port of the on-off valve, and no air is suctioned from other suction ports. Therefore, the suction source can be operated with low power consumption.

(6) Examples An embodiment of the present invention will be described with reference to the drawings.

Reference numeral 1 indicates the floor surface of a workshop where sanding work is carried out in an automobile repair shop; 2 and 2 indicate grooves formed in the floor surface 1 to serve as suction passages;
are parallel to each other and the distance between them is approximately equal to the width of the automobile, and one end of the suction device 4 is connected via conduits 3, 3 to a suction device 4 which includes a filter, a suction fan, and a driving portion therein. Here, the suction device 4 becomes a suction source. The lid 5, which is placed closed at the upper end opening of each groove 2, has a large number of suction ports 6, 6 formed in its longitudinal direction, and each of these suction ports 6 is provided with an on-off valve 7 that opens and closes electrically. It is being In addition, these on-off valves 7, 7 can be operated in conjunction with each other by operating one of the switches on the operation panel, in which switches are arranged in an arrangement that matches the arrangement of these on-off valves 7, 7. The on-off valve 7 is opened and closed, and its open/closed state is displayed on a display device. 8, 8 are rails laid on the floor 1 so as to cross the grooves 2, 2; 9, 9 are pallets that slide on these rails 8; discharge duct,
7a indicates an electric motor for the on-off valve 7. Thus, the wheels of the car are placed on the pallets 9, 9, and the car is moved together with these pallets 9, 9 to a position between the grooves 2, 2, and the suction device 4 is driven to start suction, and the sheet metal putty is applied. Start sanding later. If this sanding is to be performed on a door of a car, for example, operate a switch on the operation panel to open and close only the on-off valves 7 of the several suction ports 6 located below the door, as shown in solid lines in FIG. It is opened as shown in the figure, and the on-off valve 7 of the other suction port 6 is closed, and the powder generated by sanding is sucked through the open suction port 6. Next, if you are sanding the rear fender of a car, open only the on-off valves 7 of some of the suction ports 6 located below the rear fender, and then open the on-off valves 7 of the other suction ports 6. Close the .
Therefore, since the powder is sucked only from the suction port 6 located below the powder generating location, and there is no suction from other suction ports 6, the suction device 4 can be operated with low power consumption.

In the embodiment described above, the on-off valve 7 is opened and closed electrically by operating the operation panel, but the on-off valve 7 may be opened and closed manually.

(7) Effects of the invention As described above, according to the invention, a groove for a suction passage is formed on the floor surface, and a large number of suction ports each equipped with an on-off valve are formed in the lid of the groove, so that powder such as sander, etc. By opening only the opening/closing valve of the suction port located below the work area where dust is generated and closing the opening/closing valve of the other suction ports, it is sufficient to suck a small amount of air together with the powder, thus reducing the power consumption to operate the suction source. It only requires a small amount, reducing operating costs, and since the suction port is formed on the floor surface and sucks the generated powder downward,
This has the effect that the worker does not inhale the powder and does not harm the worker's health.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of one embodiment of the present invention, and FIG. 2 is an enlarged cross-sectional view taken along the line -. 1...Floor surface, 2...Groove, 4...Suction source, 5...
Lid, 6...Suction port, 7...Open/close valve.

Claims (1)

[Scope of utility model registration request] A dust suction device characterized in that a groove for a suction passage connected to a suction source is formed in a floor surface, and a plurality of suction ports each having an on-off valve are formed in a lid of the groove.