JPS641760U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 4 relate to the first embodiment, where Figure 1 is a structural diagram of the range including the sensor mounting body, Figure 2 is a longitudinal sectional view of the sensor mounting body, and Figure 3 is a plane view of the sensor mounting body. Figures 4 and 4 are diagrams showing the overlapping of the through holes for the spray agent in the peripheral wall of the sensor mounting body, and Figures 5 to 7.
The figures relate to the second embodiment, Fig. 5 is a structural diagram of the range including the sensor mounting body, Fig. 6 is a longitudinal sectional view of the sensor mounting body, Fig. 7 is a plan view of the sensor mounting body, Fig. 8 and Fig. 9 relates to the third embodiment, Fig. 8 is a structural diagram of the range including the sensor mounting body, Fig. 9 is a plan view of the sensor mounting body, and Fig. 10 is for dispersing the spray agent to fields, etc. Figure 11 is a perspective view of the backpack-powered spreader used, and Figure 1 is a vertical sectional view of the main parts of the backpack-powered spreader.
FIGS. 2, 13, and 14 are structural diagrams of a backpack power spreader equipped with a conventional detection device for detecting the amount of spraying agent remaining in the spraying agent tank and the amount of spraying agent being discharged. 10...Backpack power spreader, 12...Backpack frame, 1
8...Small two-stroke engine, 20...Spraying agent tank, 28...Spraying head, 32...Fan, 3
6...Shutter case, 38...Shutter valve, 4
0...Spraying agent, 54, 54b, 54c...Sensor attachment body, 72...Remaining amount detection sensor, 80...Remaining amount detection sensor on the transmitting side, 82...Receiving side remaining amount detection sensor.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A spraying agent tank that is attached to a backpack frame and containing the spraying agent inside, a shutter case that is joined to the lower end of this spraying agent tank, and a device that is supported by this shutter case and that changes the opening degree. a shutter valve that adjusts the amount of spraying agent discharged from the spraying agent tank; a fan that generates pressurized air that sends the spraying agent guided below the shutter valve to the spray head; and a fan that is attached to the backpack frame. A backpack power spreader comprising: a sensor mounting body extending vertically in the center of the spray agent tank and supported by the shutter case at a lower end;
A spraying agent supply device for a backpack power spreader, comprising: a residual amount detection sensor attached to the sensor attachment body to detect the remaining amount of the spraying agent in the spraying agent tank. (2) The sensor mounting body includes a cylindrical member and a bottom member that is formed as a lower bottom surface of the cylindrical member and whose center protrudes upward. Spreading agent supply device for the backpack-powered spreader described in Section 1. (3) The spraying agent supply device for a backpack power spreader according to claim 2, wherein the cylindrical member is supported by the shutter case via an elastic member. (4) The backpack power spreader according to claim 1, wherein the remaining amount detection sensors are provided on the inner surface of the cylindrical member at appropriate intervals in the vertical direction. agent supply device. (5) The spraying agent supply device for a backpack power spreader according to claim 5, wherein the sensor mounting body includes a plurality of horizontal plates arranged at appropriate intervals in the vertical direction. . (6) The spraying agent supply device for a backpack power spreader according to claim 5, wherein the remaining amount detection sensor is provided on the upper and lower surfaces of the horizontal plate. (7) The spraying agent supply device for a backpack power spreader according to claim 1, wherein the sensor mounting body is a vertical plate arranged at appropriate angular intervals in the circumferential direction. (8) The spraying agent supply device for a backpack power spreader according to claim 7, wherein the remaining amount detection sensors are provided on the vertical plate at appropriate intervals in the vertical direction. .