JPS58127028U - Sediment supply device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は土砂供給装置の平面図、第２図は同縦断面図、
第３図は従来の土砂供給装置のシール装置の縦断面図、
第４図は同シール装置の土砂かみ込みの説明図、第５図
は本考案に係る土砂供給装置のシール装置の縦断面図、
第６図は第５図Ａ−Ａ線ｉこ沿う断面図、第７図は作用
説明図である。 １は装置本体、２は供給管、６は当り座部、９はプラン
ジャ、１５はヘッド、１８はシール部材。 第３図 第５図Figure 1 is a plan view of the earth and sand supply device, Figure 2 is a vertical cross-sectional view of the same,
Figure 3 is a vertical cross-sectional view of the sealing device of a conventional earth and sand supply device.
FIG. 4 is an explanatory diagram of the seal device's entrapment of earth and sand, and FIG. 5 is a longitudinal cross-sectional view of the seal device of the earth and sand supply device according to the present invention.
FIG. 6 is a sectional view taken along line A-A in FIG. 5, and FIG. 7 is an explanatory diagram of the operation. 1 is the main body of the device, 2 is a supply pipe, 6 is a contact seat, 9 is a plunger, 15 is a head, and 18 is a sealing member. Figure 3 Figure 5

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 装置本体１の土砂出入口に接続された供給管２の内周部
に当り座部６を設け、プランジャ９の前端部にプランジ
ャ９の移動時土砂を供給管２内に押込み且つ前記当り座
部６に当接するヘッド１５を前後方向に所定量移動可能
に設け、プランジャ９の前端面とヘッド１５との間にシ
ール部材１８を介装したことを特徴とする土砂供給装置
。A contact seat 6 is provided on the inner circumference of the supply pipe 2 connected to the earth and sand inlet/outlet of the device main body 1, and a contact seat 6 is provided at the front end of the plunger 9 to push the earth and sand into the supply pipe 2 when the plunger 9 moves. An earth and sand supply device characterized in that a head 15 that comes into contact with the plunger 9 is provided so as to be movable by a predetermined amount in the front-back direction, and a seal member 18 is interposed between the front end surface of the plunger 9 and the head 15.