JPH0356275Y2 - - Google Patents

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Publication number
JPH0356275Y2
JPH0356275Y2 JP924385U JP924385U JPH0356275Y2 JP H0356275 Y2 JPH0356275 Y2 JP H0356275Y2 JP 924385 U JP924385 U JP 924385U JP 924385 U JP924385 U JP 924385U JP H0356275 Y2 JPH0356275 Y2 JP H0356275Y2
Authority
JP
Japan
Prior art keywords
hole
chemical
air hole
lid
support shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP924385U
Other languages
Japanese (ja)
Other versions
JPS61125364U (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP924385U priority Critical patent/JPH0356275Y2/ja
Publication of JPS61125364U publication Critical patent/JPS61125364U/ja
Application granted granted Critical
Publication of JPH0356275Y2 publication Critical patent/JPH0356275Y2/ja
Expired legal-status Critical Current

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  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Special Spraying Apparatus (AREA)

Description

【考案の詳細な説明】 〔産業上の利用分野〕 この考案は薬剤タンクを設置した農業用薬液散
布車における、薬剤タンク蓋部から外部への薬液
の溢出を防止すべき装置に関する。
[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a device for preventing chemical liquid from spilling out from the chemical tank lid in an agricultural chemical spraying vehicle equipped with a chemical tank.

〔従来の技術〕[Conventional technology]

従来の薬剤タンクを設置した農業用薬液散布車
においては、薬剤タンクの蓋に動力噴霧機による
吸水用の空気孔が開いており、薬剤タンク内の薬
液のあばれ(傾斜地、不整地走行の際に液面に生
ずる擾乱)によつて、この空気孔を介して薬液が
外部へこぼれたり、オペレータに飛散付着するこ
とが多かつた。
In agricultural chemical spray vehicles equipped with conventional chemical tanks, air holes are opened in the lid of the chemical tank for water absorption by the power sprayer, which prevents the chemical liquid in the chemical tank from sloshing (when driving on slopes or rough terrain). Due to disturbances occurring on the liquid surface, the chemical liquid often spills outside through the air holes or scatters onto the operator.

〔考案が解決しようとする問題点〕[Problem that the invention attempts to solve]

上記したような薬液の溢出により、オペレータ
への薬液付着、機体の発錆、腐食、薬液による道
路の汚染、薬液の浪費などの種々の不都合が生じ
る。
The overflow of the chemical as described above causes various inconveniences such as adhesion of the chemical to the operator, rusting and corrosion of the aircraft body, contamination of roads with the chemical, and waste of the chemical.

〔問題点を解決するための手段〕[Means for solving problems]

上記の問題点に鑑み、この考案は薬剤タンクを
設置した農業用薬液散布車の、前記薬剤タンクの
蓋体に空気孔を穿設し、この空気孔の内側にこの
空気孔を被覆可能な逆流防止部材を配設してなる
薬液溢出防止装置において、前記蓋体の内側に
は、その中央に、透孔を穿設した筒状突起と、こ
の筒状突起の周囲に倒U字状の環状空所を形成し
た複数の突状部とを形成し、前記環状空所の頂部
に空気孔を穿設し、前記透孔に貫挿される支軸の
上端にこの透孔に係止可能な膨大部を形成し、こ
の支軸の下端近傍にピン通孔を穿設し、このピン
通孔に挿通した係止ピンの上方において前記支軸
には、前記空気孔を内在する突状部を被覆可能な
板状の逆流防止部材を上下に移動可能に遊嵌・掛
止してなる薬液溢出防止装置を提案し、これによ
つて薬剤タンクの蓋からの薬液の溢出を防止し、
もつてオペレータへの薬液付着、機体の発錆、腐
食、道路の薬液による汚染及び薬液の損失を防止
しようとするものである。
In view of the above problems, this invention is based on an agricultural chemical spraying vehicle equipped with a chemical tank, in which an air hole is bored in the lid of the chemical tank, and a backflow that can cover the air hole is provided inside the air hole. In the drug solution spill prevention device including a prevention member, the inside of the lid has a cylindrical projection with a through hole in the center, and an inverted U-shaped ring around the cylindrical projection. a plurality of protrusions each having a hollow space formed therein; an air hole is formed at the top of the annular hollow space; and an air hole is formed at the top of the annular hollow space, and a bulge capable of being engaged with the through hole is provided at the upper end of the support shaft that is inserted through the through hole. A pin through hole is formed near the lower end of the support shaft, and above the locking pin inserted into the pin through hole, the support shaft is covered with a protruding portion that includes the air hole. We propose a drug solution overflow prevention device in which a plate-shaped backflow prevention member is vertically movably loosely fitted and hooked, and thereby prevents drug solution from overflowing from the lid of a drug tank.
This is intended to prevent chemicals from adhering to the operator, rusting and corrosion of the aircraft, contamination of roads with chemicals, and loss of chemicals.

〔作用〕 次にこの考案を図面について説明する。[Effect] Next, this idea will be explained with reference to the drawings.

第1図はこの考案の装置を付設した農業用薬剤
散布車に搭載されるべき薬剤タンクの縦断面図、
第2図はその蓋体の下面図で、第3図はこの実施
例の要部断面図である。
Figure 1 is a longitudinal sectional view of a chemical tank to be mounted on an agricultural chemical spraying vehicle equipped with the device of this invention.
FIG. 2 is a bottom view of the lid, and FIG. 3 is a sectional view of the main part of this embodiment.

図において、1は薬剤タンクであつて、2はこ
の薬剤タンク1に取り付けられる蓋体である。こ
の蓋体2の内側蓋中央には透孔4が穿設された筒
状突部10と、この筒状突部10に同心円状の倒
U字状の環状空所11を形成する複数の突状部3
が形成される。
In the figure, 1 is a drug tank, and 2 is a lid attached to this drug tank 1. At the center of the inner lid of the lid body 2, there is a cylindrical protrusion 10 with a through hole 4, and a plurality of protrusions forming concentric inverted U-shaped annular spaces 11 in the cylindrical protrusion 10. shape part 3
is formed.

前記透孔4には、上端に膨大部12が形成さ
れ、下端に近傍にピン通孔13が穿設された支軸
5が貫装・垂下され、逆流防止用板6を挿通し、
座金7を介在させて、前記ピン通孔13に、係止
ピン8を挿通し、逆流防止用板6の抜け出しを阻
止するようにする。そしてこの逆流防止用板6に
覆われる部分において、前記蓋体2内側の環状空
所11の頂部に空気孔9を設ける。このとき、第
3図に示すように、前記逆流防止用板6は上下に
移動可能に支軸5に遊嵌されるとともに、前記突
状部3aとの間に少許の間隙Sが保たれる。
The through hole 4 has an enlarged portion 12 formed at the upper end, a support shaft 5 having a pin through hole 13 bored near the lower end is inserted and suspended, and the backflow prevention plate 6 is inserted through the support shaft 5.
A locking pin 8 is inserted into the pin through hole 13 with a washer 7 interposed therebetween to prevent the backflow prevention plate 6 from slipping out. In the portion covered by the backflow prevention plate 6, an air hole 9 is provided at the top of the annular space 11 inside the lid 2. At this time, as shown in FIG. 3, the backflow prevention plate 6 is loosely fitted onto the support shaft 5 so as to be movable up and down, and a small gap S is maintained between it and the protrusion 3a. .

上記構成において、薬剤タンク1を搭載した農
業用薬剤散布車が傾斜地や不整地を走行する際、
薬剤タンク1内の薬液10の液面に擾乱が生じる
が、複数の環状突状部3が形成されていることに
より、蓋体2の剛性が高められるとともに、衝突
をくり返えす薬液に対する抵抗体の役割を果た
す。前記環状突状部3は蓋体2の内側に、下方に
向けて形成されているので薬液はタンク内に滴下
する。タンク内の空気は、間隙S、空気孔9を介
して外部と連通するが、その経路は少許の間隔で
あるため、迷路化される。
In the above configuration, when the agricultural chemical spraying vehicle equipped with the chemical tank 1 travels on a slope or uneven ground,
Although disturbance occurs on the liquid level of the chemical solution 10 in the drug tank 1, the formation of the plurality of annular protrusions 3 increases the rigidity of the lid body 2 and provides resistance to the chemical solution that repeatedly collides. fulfill the role of Since the annular protrusion 3 is formed on the inside of the lid 2 and faces downward, the chemical solution drips into the tank. The air inside the tank communicates with the outside through the gap S and the air holes 9, but the paths are a maze because the intervals are small.

逆流防止用板6は支軸5に対し上方に移動可能
に遊嵌されているので、移動時には、予め設定さ
れている間隙Sはさらに小となり、閉止も可能で
ある。また逆流防止用板6が上方に移動したとき
でも、空気孔9の部分には環状空所11が確保さ
れる。
Since the backflow prevention plate 6 is loosely fitted to the support shaft 5 so as to be movable upward, the preset gap S becomes even smaller during movement, and can be closed. Further, even when the backflow prevention plate 6 moves upward, an annular space 11 is secured at the air hole 9 portion.

上記のピン通孔13と係止ピン8に代え、周溝
と、この周溝に嵌装可能なEリングとすれば、抜
け止めとしての同様の機能の他に、透孔と支軸と
の間の薬液の流通を抑制することができる。
If a circumferential groove and an E-ring that can be fitted into the circumferential groove are used instead of the pin through hole 13 and the locking pin 8 described above, in addition to the same function as a retainer, the hole and the support shaft can be It is possible to suppress the flow of the chemical solution between the two.

〔考案の効果〕[Effect of idea]

この考案によれば、蓋体の内側に向けて倒U字
形の環状空所を形成する複数の突状部が形成され
るとともに、前記空所頂部に空気孔が穿設され、
この空気孔を含む空所の環状突状部を少許の間隙
を以つて覆うように、逆流防止用板が配設されて
いるので、タンク内部の空気は前記間隙及び空気
孔によつて外部と連通される。蓋体の内側には複
数の突状部が形成されていることにより蓋体の剛
性が高められるので変形することなく、蓋体とし
ての機能が維持されるとともに、衝突を繰り返え
す薬液に対する抵抗の役割を果し、タンク内の揺
動を抑える効果がある。また下方に向けて開口す
る多重の環状空所の存在によつて、衝突した薬液
は、下向きにはね返えされるので、蓋体の内側を
伝つて直接空気孔に至ることはない。
According to this invention, a plurality of protrusions forming an inverted U-shaped annular cavity are formed toward the inside of the lid body, and an air hole is bored at the top of the cavity,
A backflow prevention plate is arranged so as to cover the annular protrusion of the cavity including the air hole with a small gap, so that the air inside the tank can be connected to the outside through the gap and the air hole. communicated. Multiple protrusions are formed on the inside of the lid, which increases the rigidity of the lid so that it does not deform and maintains its function as a lid, and resists chemical liquids that repeatedly collide. , and has the effect of suppressing shaking inside the tank. Furthermore, due to the presence of multiple annular cavities that open downward, the colliding chemical liquid is repelled downward, so that it does not travel along the inside of the lid and reach the air hole directly.

突状部下端と逆流防止用板との間隙は少許であ
ることから、空気孔に至る経路は迷路化されるの
で、タンク内で飛散する薬液が直接空気孔に至る
ことはない。逆流防止用板は支軸に上下に移動可
能に遊嵌されているので、大きな揺動による薬液
の衝突に対し、予め設定された少許の間隙を閉止
するように作用し、薬液の溢出を防止する。
Since the gap between the lower end of the protrusion and the backflow prevention plate is small, the path leading to the air hole is a labyrinth, so that the chemical solution scattered within the tank does not directly reach the air hole. The backflow prevention plate is loosely fitted to the support shaft so that it can move up and down, so it acts to close a preset small gap when the chemical liquid collides with it due to large swings, and prevents the chemical liquid from overflowing. do.

逆流防止用板6が上方に移動したときでも、空
気孔の下には環状空所11が確保されるので、逆
流防止用板11上の液滴が空気孔9から押し出さ
れることはない。
Even when the backflow prevention plate 6 moves upward, the annular space 11 is secured below the air hole, so droplets on the backflow prevention plate 11 will not be pushed out from the air hole 9.

以上のように薬剤タンク1内の薬液が空気孔9
を介して外部へ溢出することを確実に阻止できる
ので、オペレータへの薬液の付着、機体の発錆、
腐食や、薬液による道路の汚染を防止できると共
に、薬液の無駄な消費をなくしうる点で、経済的
効果も大きいものである。
As described above, the chemical liquid in the chemical tank 1 is transferred to the air hole 9.
It can reliably prevent chemicals from leaking to the outside via
It is possible to prevent corrosion and contamination of roads with chemical solutions, and also has great economic effects in that wasteful consumption of chemical solutions can be eliminated.

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

第1図はこの考案の装置を付設した薬剤タンク
の竪断面図、第2図はその蓋体の下面図で、第3
図はこの考案の実施例の要部断面図である。 なお図において、1……薬剤タンク、2……蓋
体、3……突状部(補強用リブ)、5……支軸、
6……逆流防止用板、7……座金、8……係止ピ
ン、9……空気孔、10……筒状突起、11……
環状空所、12……膨大部、13……ピン通孔で
ある。
Figure 1 is a vertical sectional view of a drug tank equipped with the device of this invention, Figure 2 is a bottom view of its lid, and Figure 3 is a bottom view of the lid.
The figure is a sectional view of a main part of an embodiment of this invention. In the figure, 1... drug tank, 2... lid, 3... protrusion (reinforcing rib), 5... spindle,
6... Backflow prevention plate, 7... Washer, 8... Locking pin, 9... Air hole, 10... Cylindrical projection, 11...
Annular cavity, 12... Ampulla, 13... Pin hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 薬剤タンクを設置した農業用薬液散布車の、前
記薬剤タンクの蓋体に空気孔を穿設し、この空気
孔の内側にこの空気孔を被覆可能な逆流防止部材
を配設してなる薬液溢出防止装置において、前記
蓋体2の内側には、その中央に、透孔4を穿設し
た筒状突起10と、この筒状突起10の周囲に倒
U字状の環状空所11を形成した複数の突状部3
とを形成し、前記環状空所11の頂部に空気孔9
を穿設し、前記透孔4に貫挿される支軸5の上端
にこの透孔4に係止可能な膨大部12を形成し、
この支軸5の下端近傍にピン通孔13を穿設し、
このピン通孔13に挿通した係止ピン8の上方に
おいて前記支軸5には、前記空気孔9を内在する
突状部3を被覆可能な板状の逆流防止部材6を上
下に移動可能に遊嵌・掛止してなる薬液溢出防止
装置。
An agricultural chemical spraying vehicle equipped with a chemical tank is provided with an air hole in the lid of the chemical tank, and a backflow prevention member capable of covering the air hole is provided inside the air hole. In the prevention device, on the inside of the lid body 2, a cylindrical projection 10 with a through hole 4 bored in the center thereof, and an annular cavity 11 in an inverted U-shape are formed around the cylindrical projection 10. multiple protrusions 3
and an air hole 9 at the top of the annular cavity 11.
and forming an enlarged portion 12 that can be locked in the through hole 4 at the upper end of the support shaft 5 that is inserted through the through hole 4,
A pin through hole 13 is bored near the lower end of this support shaft 5,
Above the locking pin 8 inserted into the pin through hole 13, a plate-shaped backflow prevention member 6 capable of covering the protrusion 3 that includes the air hole 9 is movable up and down on the support shaft 5. A chemical liquid overflow prevention device that is loosely fitted and hooked.
JP924385U 1985-01-26 1985-01-26 Expired JPH0356275Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP924385U JPH0356275Y2 (en) 1985-01-26 1985-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP924385U JPH0356275Y2 (en) 1985-01-26 1985-01-26

Publications (2)

Publication Number Publication Date
JPS61125364U JPS61125364U (en) 1986-08-06
JPH0356275Y2 true JPH0356275Y2 (en) 1991-12-17

Family

ID=30489277

Family Applications (1)

Application Number Title Priority Date Filing Date
JP924385U Expired JPH0356275Y2 (en) 1985-01-26 1985-01-26

Country Status (1)

Country Link
JP (1) JPH0356275Y2 (en)

Also Published As

Publication number Publication date
JPS61125364U (en) 1986-08-06

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