JPH0374280U

JPH0374280U -

Info

Publication number: JPH0374280U
Application number: JP13374489U
Authority: JP
Priority date: 1989-11-17
Filing date: 1989-11-17
Publication date: 1991-07-25

Description

[Brief explanation of the drawing]

第１図はこの考案の曳き舟の概略断面図、第２
図はその外観斜視図、第３図は第１図の−断
面図、第４図はこの考案における曳き舟本体前部
の斜視図、第５図はこの考案における曳き舟本体
後部の斜視図、第６図はこの考案における内部バ
イパス体の斜視図、第７図はこの考案における外
部バイパス体前部の斜視図、第８図はこの考案に
おける外部バイパス体後部の斜視図、第９図はこ
の考案における排水量調整弁の斜視図、第１０図
ないし第１２図はそれぞれこの考案の曳き舟の組
立手順を示す斜視図、第１３図は本考案の流量調
整機構の他の実施例を示す斜視図である。０……曳き舟本体前部、１２……投入口、１４
……流入口、１６……後方開口部、２０……曳き
舟本体後部、２７……波形状開口、２８，２９…
…周壁、３０……内部バイパス体、４０……外部
バイパス体前部、５０……外部バイパス体後部、
５６……排水孔、６０……排水量調整弁、６２…
…環状流路、６６……調整通路。 Figure 1 is a schematic sectional view of the towboat of this invention, Figure 2
Figure 3 is a cross-sectional view of Figure 1, Figure 4 is a perspective view of the front part of the towboat body in this invention, Figure 5 is a perspective view of the rear part of the towboat body in this invention, Fig. 6 is a perspective view of the internal bypass body in this invention, Fig. 7 is a perspective view of the front part of the external bypass body in this invention, Fig. 8 is a perspective view of the rear part of the external bypass body in this invention, and Fig. 9 is a perspective view of the external bypass body in this invention. FIGS. 10 to 12 are perspective views showing the steps for assembling the towboat according to the invention, and FIG. 13 is a perspective view showing another embodiment of the flow rate adjustment mechanism according to the invention. It is. 0...Front part of the towboat body, 12...Input port, 14
...Inflow port, 16... Rear opening, 20... Rear part of the towboat body, 27... Wave-shaped opening, 28, 29...
... Peripheral wall, 30 ... Internal bypass body, 40 ... Front part of external bypass body, 50 ... Rear part of external bypass body,
56... Drain hole, 60... Drainage adjustment valve, 62...
...Annular flow path, 66...Adjustment passage.

Claims

[Scope of Claim for Utility Model Registration] 1. A hollow front part of the towboat body having a fish input port on the top surface and an inlet at the front, and a hollow shape that fits and connects to the rear opening of the front part of the towboat body. a rear part of the towboat body, an internal bypass body fitted into the rear part of the towboat body, a front part of an external bypass body fitted into the front part of the towboat body, and a rear part of the rear part of the towboat body. The main part is composed of the bypass body and the rear part of the bypass body, which has drainage holes around the rear.
The flow path from the inlet to the drainage hole is formed in a roundabout shape, and a drainage amount adjustment valve is disposed in the annular flow path between the rear part of the towboat body and the rear part of the external bypass body, which constitutes a part of the bypass flow path. A towing boat for sweetfish fishing, which is characterized by a built-in structure. 2. A drainage volume adjustment valve having a wave-shaped adjustment passage that can match the wave-shaped openings is disposed between a pair of circumferential walls having wave-shaped openings provided at intervals in the annular flow path, and the drainage volume adjustment valve is The towing boat for sweetfish fishing according to claim 1, wherein the towing boat for sweetfish fishing is rotatably attached to the rear part of the towing boat body.