JPH01139864U

JPH01139864U -

Info

Publication number: JPH01139864U
Application number: JP3634488U
Authority: JP
Priority date: 1988-03-22
Filing date: 1988-03-22
Publication date: 1989-09-25
Anticipated expiration: 2003-03-22
Also published as: JPH084124Y2

Description

[Brief explanation of the drawing]

第１図〜第９図はこの考案の実施例に関し、第
１図は背負式動力噴霧機の使用状態を示す図、第
２図は操作スイツチが第１図とは別の位置にある
背負式動力噴霧機の使用状態を示す図、第３図は
背負式動力噴霧機に搭載される往復動ポンプ装置
の断面図、第４図は第３図の往復動ポンプ装置を
回転部材側から見た図、第５図はカム溝の深さと
周方向位置との関係を示す図、第６図及び第７図
は背負式動力噴霧機の側面図及び後ろ側から見た
図、第８図はアームの揺動状態を示す図、第９図
は操作スイツチの位置を示す図、第１０図は従来
の背負式動力噴霧機の使用状態を示す図である。１０……背負式動力噴霧機、１２……背負枠部
、１６……エンジン、２０……スロツトルレバー
、２２……作業者、２６……散布ノズルパイプ、
３０……ノズル、５０ａ，５０ｂ……往復動ポン
プ、５４……締付けボルト、８４……調圧弁、１
００……回転部材、１０６……直流モータ（モー
タ）、１２０……アーム、１２４……操作スイツ
チ。 Figures 1 to 9 relate to embodiments of this invention, with Figure 1 showing a backpack-type power sprayer in use, and Figure 2 showing a backpack-type power sprayer in which the operating switch is in a different position from Figure 1. Figure 3 is a cross-sectional view of the reciprocating pump device mounted on the backpack-type power sprayer, and Figure 4 is the reciprocating pump device shown in Figure 3 viewed from the rotating member side. Figure 5 is a diagram showing the relationship between the depth of the cam groove and the circumferential position, Figures 6 and 7 are a side view and a view from the rear of the backpack-type power sprayer, and Figure 8 is an arm FIG. 9 is a diagram showing the position of the operating switch, and FIG. 10 is a diagram showing the usage state of a conventional backpack-type power sprayer. DESCRIPTION OF SYMBOLS 10...Backpack type power sprayer, 12...Backpack frame, 16...Engine, 20...Throttle lever, 22...Worker, 26...Spraying nozzle pipe,
30... Nozzle, 50a, 50b... Reciprocating pump, 54... Tightening bolt, 84... Pressure regulating valve, 1
00... Rotating member, 106... DC motor (motor), 120... Arm, 124... Operation switch.

Claims

[Claims for Utility Model Registration] (1) The engine 16, the pumps 50a and 50b that are driven by the engine 16 and discharge chemical liquid, and the pressure regulating valve 84 that adjusts the discharge pressure of the pumps 50a and 50b are connected to a backpack frame. 12, in which the pressure regulating value of the pressure regulating valve 84 is adjusted by the rotation of a rotating member 100, the rotating member 100 is rotated in both rotational directions. a motor 106 capable of forward and reverse rotation;
The backpack-type power sprayer is characterized in that it has an operation switch 124 disposed at the hand of the worker 22 carrying the backpack-type power sprayer to control forward/reverse rotation and stop of the motor 106. Pressure regulating device for pump discharge pressure. (2) An arm 120 is connected to the lower side of the backpack frame 12 so as to protrude forward, and a throttle lever 20 for adjusting the output of the engine 16 is provided at the tip of the arm 120, and the operation switch 2. A pump discharge pressure regulating device for a backpack-type power sprayer according to claim 1, wherein 124 is attached to said arm 120. (3) The spray nozzle pipe 26 is connected to the pump 50.
2. The backpack-type device according to claim 1, further comprising a spraying nozzle 30 which receives the chemical liquid from the a and 50b and spouts the chemical liquid, and wherein the operation switch 124 is attached to a proximal portion of the spray nozzle pipe 26. Pressure regulating device for pump discharge pressure of power sprayer. (4) The backpack-type power sprayer has the engine 16.
The motor 106 and the starter are powered by a common battery 11.
6. The pressure regulating device for pump discharge pressure of a backpack-type power sprayer according to any one of claims 1 to 3, characterized in that the device is connected to a pump discharge pressure of a backpack-type power sprayer.