JPH0318755U

JPH0318755U -

Info

Publication number: JPH0318755U
Application number: JP7931489U
Authority: JP
Priority date: 1989-07-05
Filing date: 1989-07-05
Publication date: 1991-02-25

Description

[Brief explanation of drawings]

第１図は、本考案の好適な実施例に係るサンド
クリーナを示す外観斜視図、第２図は、本考案に
おけるサンドクリーナにおいて、その先端部に配
設される先端部を示す一部切欠斜視図、第３図ａ
およびｂは、本考案におけるサンドクリーナを水
槽内において上下に振つた状態におけるボール弁
の動きを示す断面図、第４図ａおよびｂは、本考
案におけるサンドクリーナの先端部を砂利に差し
込む様子を径時的に示す断面図、第５図は、本考
案のサンドクリーナを使用している状態を示す正
面図、第６図は従来技術におけるサンドクリーナ
を示す断面図である。１２……先端部、１２ａ……平坦部、１２ｂ…
…吸引口、１２ｃ……段部、１２ｄ……内壁、１
２ｅ……通過口、１４……パイプ、２０……棒部
材、２２……ボール弁。 FIG. 1 is an external perspective view showing a sand cleaner according to a preferred embodiment of the present invention, and FIG. 2 is a partially cutaway perspective view showing a tip disposed at the tip of the sand cleaner according to the present invention. Figure 3a
4 and b are cross-sectional views showing the movement of the ball valve when the sand cleaner of the present invention is shaken up and down in an aquarium, and Figures 4a and b show how the tip of the sand cleaner of the present invention is inserted into gravel. 5 is a front view showing the sand cleaner of the present invention in use, and FIG. 6 is a sectional view showing a conventional sand cleaner. 12...Tip part, 12a...Flat part, 12b...
...Suction port, 12c...Step, 12d...Inner wall, 1
2e... Passing port, 14... Pipe, 20... Rod member, 22... Ball valve.

Claims

[Scope of Claim for Utility Model Registration] A sand cleaner for cleaning gravel in an aquarium for aquarium fish, etc., which is equipped with a drainage tube at the rear end of a pipe whose dimensions are set to a required length, A flat part 12a formed in a hollow cylindrical tip part 12 provided at the tip with a notch of a required width, a plurality of suction ports 12b bored with a required diameter in the flat part 12a, and an opening of the tip part 12. A bar member 20 extending in the cross direction through the central axis in the vicinity of the end; a step portion 12c provided around the bar member 20 and the flat portion 12a at a substantially intermediate position; and a step portion 12c. An inner wall 12d is bored in the inner circumferential direction and has a passage hole 12e of a required diameter in the center of the shaft.
and a ball valve 22 which is interposed in a non-removable manner between the inner wall 12d and the rod member 20 and has a diameter larger than that of the passage port 12e.