JPH0398666A - Chemical solution sprayer - Google Patents
Chemical solution sprayerInfo
- Publication number
- JPH0398666A JPH0398666A JP23637289A JP23637289A JPH0398666A JP H0398666 A JPH0398666 A JP H0398666A JP 23637289 A JP23637289 A JP 23637289A JP 23637289 A JP23637289 A JP 23637289A JP H0398666 A JPH0398666 A JP H0398666A
- Authority
- JP
- Japan
- Prior art keywords
- chemical liquid
- chemical solution
- electric motor
- flow path
- pump part
- 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.)
- Granted
Links
- 239000000126 substance Substances 0.000 title claims abstract description 104
- 239000007921 spray Substances 0.000 claims abstract description 29
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 74
- 238000005507 spraying Methods 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 11
- 239000003814 drug Substances 0.000 description 5
- 239000008155 medical solution Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010413 gardening Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
- Special Spraying Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、液体農薬、液体肥料等を噴霧する園芸用の薬
液噴霧機、液体消毒薬等を噴霧する衛生用の噴霧機、そ
の他各種用途に供される薬ｉα噴霧機に関するものであ
る。[Detailed Description of the Invention] [Field of Industrial Application] The present invention is applicable to gardening chemical spray machines that spray liquid agricultural chemicals, liquid fertilizers, etc., sanitary spray machines that spray liquid disinfectants, etc., and various other uses. The present invention relates to a drug iα spray machine used for.
［従来の技術コ
従来、園芸用または衛生用等の薬液噴霧機としては、人
力または動力によるもので、可搬型、定置型等、種々の
ものがあり、そのうち、動力噴霧機で、ポンプ部を電動
機で駆動する構成のものも、ここに例示するまでもなく
、よく知られている。[Conventional technology] Conventionally, chemical spray machines for gardening or sanitary purposes have been manually or powered, and there are various types such as portable and stationary types. Those having a configuration driven by an electric motor are also well known and need not be illustrated here.
［発明が解決しようとする課題］
ところで、園芸用の薬液噴霧機としては、可搬型のもの
が広く用いられているが、容易に持ち運ぶことができ、
また、噴霧作業を低い労力で円滑に行うためには、なる
べく小型で軽量のものが望ましい。[Problems to be Solved by the Invention] By the way, portable types of chemical sprayers for gardening are widely used.
In addition, in order to perform the spraying operation smoothly with low effort, it is desirable that the device be as small and lightweight as possible.
本発明は、このような要請に応えるために開発されたも
のであり、ポンプ部を駆動する電動機の駆動線輪を、ポ
ンプ部から送出される流動薬液で常時冷却することによ
って、単位時間当りの薬液噴Ｍ量に対する電動機の容量
を小さくすることができ、もって、小型軽量化を図って
作業性に優れた薬液噴霧機を提供することを目的とする
ものである．
［課題を解決するための手段］
本発明は、上記目的を達成するための技術的手段として
、次のように構成した．
すなわち、その１は、薬液を吸引して所定圧力で送出す
るポンプ部と、そのポンプ部を駆動する電動機を備えた
薬液噴霧機において、電ａｍにはその駆動線輪の周面に
沿わせて薬液を流通させる薬液流路を形成し、この薬液
流路の一端側をポンプ部の薬液退出側と連通させ、ポン
プ部から送出される薬液を電動機の薬液流路を経て噴霧
ノズルに供給するように構成したことを特徴とする薬液
噴霧機である．
また、その２は、薬液を吸引して所定圧力で送出するポ
ンプ部を電動機の一端側に一体に設けて、ポンプ部のポ
ンプロータと電動機の回転子を連結し、電動機の内部に
は駆動線輪の内周面に沿う薬液流路を形成してその一端
側をポンプ部の薬液送出口に連通させ、かつ薬液流路の
他端側に噴霧ノズルに薬液を供給する吐出口を設けてな
ることを特徴とする薬液噴霧機てある。The present invention was developed in response to such demands, and by constantly cooling the drive line of the electric motor that drives the pump section with the liquid chemical sent out from the pump section, it is possible to increase the It is an object of the present invention to provide a chemical liquid spraying machine that can reduce the capacity of an electric motor relative to the amount of chemical liquid sprayed M, thereby achieving a reduction in size and weight and excellent workability. [Means for Solving the Problems] The present invention is configured as follows as a technical means for achieving the above object. In other words, the first is a chemical liquid spray machine equipped with a pump part that sucks a chemical liquid and sends it out at a predetermined pressure, and an electric motor that drives the pump part. A chemical liquid flow path is formed through which the chemical liquid flows, and one end side of this chemical liquid flow path is communicated with the chemical liquid outlet side of the pump part, so that the chemical liquid sent out from the pump part is supplied to the spray nozzle through the chemical liquid flow path of the electric motor. This is a chemical spray machine characterized by the following configuration. In addition, in the second method, a pump part that sucks the chemical liquid and sends it out at a predetermined pressure is integrally provided on one end side of the electric motor, and the pump rotor of the pump part and the rotor of the electric motor are connected, and the drive line is inside the electric motor. A chemical liquid flow path is formed along the inner circumferential surface of the ring, one end of which is communicated with a chemical liquid delivery port of the pump section, and a discharge port for supplying the chemical liquid to the spray nozzle is provided at the other end of the chemical liquid flow path. There is a chemical spray machine that is characterized by:
そして、さらに、その２の構成において、電動機の回転
子とその外周をとりまく駆動線輪との間に非磁性体の筒
状体を介在させ、この筒状体で駆動線輪の内周面に沿う
薬液流路を形成したことを特徴とするものである．
［ 作 用 ］
本発明のその１の構成において、電動機によってポンプ
が駆動されると、ポンプ部に薬液が吸引され、かつその
薬液送出口から所定の圧力で送出される。そして、薬濠
は電動機の薬液流路を経て噴霧ノズルに供給され、噴霧
されるが、薬液は電動機の駆動線輪に沿う薬液流路を流
通する過程で駆動線輪から熱を奪うので、駆動線輪が冷
却され、その濯度の上昇が抑制される。Furthermore, in the second configuration, a cylindrical body made of a non-magnetic material is interposed between the rotor of the electric motor and the drive line wheel surrounding the outer periphery, and this cylindrical body is attached to the inner circumferential surface of the drive line wheel. It is characterized by the formation of a chemical liquid flow path along the line. [Function] In the first configuration of the present invention, when the pump is driven by the electric motor, the medical solution is sucked into the pump portion and is delivered at a predetermined pressure from the medical solution delivery port. Then, the chemical moat is supplied to the spray nozzle through the chemical flow path of the electric motor and is sprayed, but as the chemical liquid flows through the chemical flow path along the drive line wheels of the electric motor, it absorbs heat from the drive line wheels. The coil is cooled and an increase in its rinsing degree is suppressed.
ところで、薬液流路を流通中の薬液が駆動線輪から奪う
熱量は、薬液の単位時間当りの流量に比例するので、噴
霧量の増減によって電動機の負荷が変化しても、駆動線
輪の温度上昇は略一定の範囲に抑えられる。By the way, the amount of heat taken from the drive line wheel by the chemical liquid flowing through the chemical liquid flow path is proportional to the flow rate of the chemical liquid per unit time, so even if the load on the motor changes due to an increase or decrease in the amount of spray, the temperature of the drive line wheel will not change. The increase is suppressed within a substantially constant range.
本発明のその２の構成においては、電動機の内部に駆動
線輪の内周面に沿う薬液流路が形成されているので、電
動機自体に薬液流路を兼ねさせることができて、構成が
一層簡素化される。そして、この構成において、電動機
の回転子とその外周をとりまく駆動線輪との間に非磁性
体の筒状体を介在させ、この筒状体で駆動線輪の内周面
に沿う薬液流路を形成したものでは、薬液流路と駆動線
輪とを完全に離隔できて、駆動線輪の腐食等を防止する
ことができ、しかも、筒状体を挟んで薬液と駆動線輪と
の間の熱移動を効率よく行わせることができる．
［ 実 施 例 ］
本発明の一実施例を図面について説明する．第１図にお
いて、■はポンプ部、２は電動機であって、ポンプ部ｌ
は、電動機２の一端側に一体に設けられており、電動機
２の回転子（マグネット）３の回転軸４の一端にポンプ
部ｌのポンプロータ５が直結されている。上記電動機２
は直流ブラシレスモー夕であって、非磁性体の筒状体６
に回転子３が軸受７，８によって回転自在に内蔵されて
おり、筒状体６の外周面には回転子３に対応させて駆動
線輪９が設けられている。１０．１０はカラ− １１
は保護カバーであって駆動線輪９に対する磁気回路を兼
ねるものである。この保護カバー１１は鉄板等の磁性材
で構成される。In the second configuration of the present invention, the chemical liquid flow path along the inner circumferential surface of the drive line wheel is formed inside the electric motor, so that the electric motor itself can also serve as the chemical liquid flow path, and the structure is further improved. Simplified. In this configuration, a cylindrical body made of a non-magnetic material is interposed between the rotor of the electric motor and the drive line ring surrounding the outer periphery of the rotor, and this cylindrical body provides a chemical liquid flow path along the inner circumferential surface of the drive line ring. By forming a cylindrical body, it is possible to completely separate the chemical solution flow path and the drive line wheel, thereby preventing corrosion of the drive line wheel, and furthermore, it is possible to completely separate the chemical solution flow path and the drive line wheel, and to prevent corrosion of the drive line wheel. heat transfer can be carried out efficiently. [Example] An example of the present invention will be explained with reference to the drawings. In FIG. 1, ■ is a pump section, 2 is an electric motor, and pump section l
is integrally provided on one end side of the electric motor 2, and a pump rotor 5 of the pump portion l is directly connected to one end of a rotating shaft 4 of a rotor (magnet) 3 of the electric motor 2. Above electric motor 2
is a DC brushless motor, which has a non-magnetic cylindrical body 6.
A rotor 3 is rotatably built in by bearings 7 and 8, and a drive line ring 9 is provided on the outer peripheral surface of the cylindrical body 6 in correspondence with the rotor 3. 10.10 is color 11
is a protective cover which also serves as a magnetic circuit for the drive line wheel 9. This protective cover 11 is made of a magnetic material such as an iron plate.
上記電動８！２の筒状体６はその一端側がポンプ部１の
薬液送出口ｌ２と連通されていて、筒状体Ｇ内は、駆動
線輪９に沿う薬液流路１３となっており、薬液流路１３
の駆動線輪９に対応する部位は、回転子３との間の狭い
間隙通路１４が形成されている。The cylindrical body 6 of the electric motor 8!2 has one end communicating with the liquid medicine delivery port 12 of the pump section 1, and the inside of the cylindrical body G forms a liquid medicine flow path 13 along the drive line 9. Chemical liquid channel 13
A narrow gap passage 14 between the rotor 3 and the rotor 3 is formed at a portion corresponding to the drive line wheel 9 .
筒状体６の他端側には吐出口１５．１６が設けられてい
る。その一方の吐出口１５には、噴霧ノズル（図示せず
）のホースを接続し、他方の吐出口】６には、噴霧ノズ
ル、圧力調整吐出弁または圧力スイッチを接続する。１
７はポンプ部ｌの薬液吸入口、＋８，ｌ８はパッキン（
０リング）である。１９は直流ブラシレスモー夕の電動
機駆動回路部、２０は電源のバッテリまたは直流アダプ
タ接続端子である。ポンプ部１の薬液吸入口ｌ７には、
薬液タンクから薬液を吸引供給する薬液ホース（図示せ
ず）を接続する。A discharge port 15, 16 is provided at the other end of the cylindrical body 6. One outlet 15 is connected to a hose of a spray nozzle (not shown), and the other outlet 6 is connected to a spray nozzle, a pressure regulating discharge valve, or a pressure switch. 1
7 is the chemical suction port of the pump part l, +8, l8 are the packings (
0 ring). Reference numeral 19 represents a motor drive circuit section of the DC brushless motor, and reference numeral 20 represents a battery or DC adapter connection terminal for the power source. The chemical solution inlet l7 of the pump section 1 has a
Connect a chemical solution hose (not shown) that sucks and supplies the chemical solution from the chemical solution tank.
なお、電動機２の筒状体６の構成材料は、Ｍ液によって
腐食しない嗣薬品性にすぐれている例えば、非磁性ステ
ンレスや非磁性ニッケル合金等である。The material of the cylindrical body 6 of the electric motor 2 is, for example, non-magnetic stainless steel, non-magnetic nickel alloy, etc., which are not corroded by the M solution and have excellent chemical properties.
以上のように構成されたものにおいて、ポンプ部ｌのポ
ンプロータ５がＴＬ動機２によって回転駆動されると、
薬液吸入口１７からポンプ部１に薬腋が吸入され、所定
の圧力に加圧されてポンプ部１の送出口ｌ２から電動機
２の薬液流路ｌ３内に流入し、この薬液流路１３を流通
して吐出口１５（さらに吐出口１６）から噴霧ノズルに
供給され、薬液の噴霧が行われる．
２
上記のように、ポンプ部ｌから電動機本の薬液流路】３
を流通するＩｆ液は、回転子３との間に形成ざれた狭い
間隙通路口で、駆動線輪９に接している筒状体６の内周
面に接して流通するので、その流通過程で駆動線輪９か
ら熱を奪い、駆動線輪９は冷却作用を受ける。そして、
狭い間隙通路１４では流通する薬液の流速が増すので、
駆動線輪９から熱を奪う効率が大きく、それが効率よく
冷却され、駆動線輪９の温度上昇が効果的に抑制されろ
。In the structure configured as above, when the pump rotor 5 of the pump section l is rotationally driven by the TL motive 2,
Medicinal axillary is sucked into the pump part 1 through the chemical suction port 17, pressurized to a predetermined pressure, flows into the chemical liquid flow path l3 of the electric motor 2 through the delivery port l2 of the pump part 1, and is circulated through this chemical liquid flow path 13. The chemical solution is then supplied to the spray nozzle from the discharge port 15 (furthermore, the discharge port 16), and the chemical solution is sprayed. 2 As mentioned above, the chemical liquid flow path from the pump part l to the motor main body]3
The If liquid flowing through the rotor 3 flows in contact with the inner peripheral surface of the cylindrical body 6 that is in contact with the drive line wheel 9 through the narrow gap passage opening formed between the rotor 3 and the rotor 3. Heat is removed from the drive line wheel 9, and the drive line wheel 9 receives a cooling effect. and,
In the narrow gap passage 14, the flow rate of the circulating chemical solution increases, so
The efficiency of removing heat from the drive line wheels 9 is high, the heat is efficiently cooled, and the temperature rise of the drive line wheels 9 is effectively suppressed.
ところで、電動機２のトルクと回転子３、の回転数との
関係は、第２図に示すように、トルクが大きくなるにし
たがって回転数が低くなる。そして、電動機２のトルク
は、薬液の噴霧圧力と係わっており、薬液の単位時間当
りの噴霧量を増すには、第３図に示すように、駆動線輪
９の電圧を上昇して回転子３の回転数を上げことができ
るが、電動機２の負荷が増大して駆動線軸９の発熱量も
増加する。しかし、電動機２の薬液流路Ｉ３を流通する
薬液の単位時間当りの量も多くなり、薬液が奪う熱量も
増加するので、駆動線輪９の温度上昇が負荷の増大にか
かわらず略一定の範囲に抑制される．このため、ポンプ
部１を駆動する電動機２が比較的容量の小さいものであ
っても、噴霧容量の大なる噴霧機を構成できるので、噴
霧機の小型軽量化を図ることができる。By the way, as shown in FIG. 2, the relationship between the torque of the electric motor 2 and the rotation speed of the rotor 3 is such that as the torque increases, the rotation speed decreases. The torque of the electric motor 2 is related to the spray pressure of the chemical liquid, and in order to increase the amount of chemical liquid sprayed per unit time, as shown in FIG. 3 can be increased, but the load on the electric motor 2 increases and the amount of heat generated by the drive line shaft 9 also increases. However, the amount of chemical liquid flowing through the chemical liquid flow path I3 of the electric motor 2 per unit time increases, and the amount of heat absorbed by the chemical liquid also increases, so that the temperature rise of the drive line wheel 9 remains within a substantially constant range regardless of the increase in load. It is suppressed by Therefore, even if the electric motor 2 that drives the pump section 1 has a relatively small capacity, a sprayer with a large spray capacity can be constructed, so that the sprayer can be made smaller and lighter.
なお、前記実施例では、電動機２の薬液流路ｌ３をその
内部に形成し、駆動線輪９の内周面に沿って薬液が流通
するように形成したが、この電動機２の薬液流路１３は
、駆動線輪９の外周面に沿うように形成してもよく、さ
らに、薬液流路ｌ３を駆動線輪９の内外周面ともに沿う
ように形成してもよ〔発明の効果］
本発明は、その１として、薬液を吸引して所定圧力で送
出するポンプ部と、そのポンプ部を駆動する電動機を備
えた薬液噴霧機において、電動機にはその駆動線軸の円
面に沿わせて薬液を流通させる薬液流路を形成し、この
薬液流路の一端側をポンプ邪の薬液送出側と連通させ、
ポンプ部から送出される薬液を電動機の薬液流路を経て
噴霧ノズルに供給するように構成し、また、その２とし
て、薬液を吸引して所定圧力で送出するボンプ部を電動
機の一端側に一体に設けて、ポンプ部のポンプロータと
電動機の回転子を連結し、電動機の内部には駆動線輪の
内周面に沿う薬液流路を形成してその一端側をポンプ部
の薬液送出口に連通させ、かつ薬液流路のｆｌ！！端側
に噴霧ノズルに薬ｒαを供給する吐出口を設けたもので
あるから、ポンプ部を駆動する電動機の駆動線輪を、ポ
ンプ部から送出される流動薬液で常時冷却して、単位時
間当りの薬液噴＊ｍに対する電動機の容量を小さくする
ことができ、薬液噴霧機の小型軽量化を図って作業性に
優れたものを得ることができる。In the above embodiment, the chemical liquid flow path l3 of the electric motor 2 is formed inside thereof so that the chemical liquid flows along the inner circumferential surface of the drive line wheel 9. may be formed along the outer circumferential surface of the drive line 9, and furthermore, the chemical liquid flow path l3 may be formed along both the inner and outer circumferential surfaces of the drive line 9 [Effects of the Invention] The present invention As part 1, this is a chemical spray machine that is equipped with a pump section that sucks in a chemical solution and delivers it at a predetermined pressure, and an electric motor that drives the pump section. forming a chemical liquid flow path to be circulated, and communicating one end side of the chemical liquid flow path with the chemical liquid delivery side of the pump;
The chemical liquid sent out from the pump part is configured to be supplied to the spray nozzle through the chemical liquid flow path of the electric motor, and secondly, a pump part that sucks the chemical liquid and sends it out at a predetermined pressure is integrated on one end side of the electric motor. The pump rotor of the pump part and the rotor of the electric motor are connected to each other, and a chemical liquid flow path is formed inside the electric motor along the inner circumferential surface of the drive line ring, and one end of the path is connected to the chemical liquid delivery port of the pump part. and the fl of the chemical fluid flow path! ! Since the discharge port for supplying the drug rα to the spray nozzle is provided on the end side, the drive line of the electric motor that drives the pump section is constantly cooled by the liquid chemical sent out from the pump section, and the flow rate per unit time is The capacity of the electric motor for the chemical liquid spray *m can be reduced, and the chemical liquid spraying machine can be made smaller and lighter, and it is possible to obtain one with excellent workability.
そして、上記その２の構成において、電動機の回転子と
その外周をとりまく駆動線輪との間に非磁性体の筒状体
を介在させ、この筒状体で駆動線輪の内周面に沿う薬液
流路を形成したものでは、薬液流路と駆動線輪とを完全
にｍ隔できて、駆動線輪の腐食等を防止することができ
、しかも、筒状体を挟んで薬液と駆動線輪との間の熱移
動を効率よく行わせることができる効果が得られる。In the second configuration above, a cylindrical body made of a non-magnetic material is interposed between the rotor of the electric motor and the drive line ring surrounding the outer periphery, and this cylindrical body extends along the inner circumferential surface of the drive line wheel. In the case where a chemical liquid flow path is formed, the chemical liquid flow path and the drive line wheel can be completely separated by m, which prevents corrosion of the drive line wheel, and furthermore, the chemical liquid and the drive line can be separated with a cylindrical body between them. The effect of efficiently transferring heat between the ring and the ring can be obtained.
第１図は本発明に係る薬液噴霧機の要部の断面図、第２
図は電動機の回転子のトルクと回転数との関係を示す特
性図、第３図は駆動線輪電圧と回転子の回転数との関係
を示す特性図である。
１・・・ポンプ部、２・・・電動機、３・・・回転子、
５・・・ポンプロータ、６・・・非磁性体の筒状体、９
・・・駆動線輪、１２・・・薬液送出口、ｌ３・・・薬
液流路、１４・・・その狭い間隙通路、１５．１６・・
・吐出口、Ｉ７・・・ポンプ部の薬液吸入口
第１図
１５
第２図
第３図Fig. 1 is a sectional view of the main parts of the chemical liquid sprayer according to the present invention, Fig.
The figure is a characteristic diagram showing the relationship between the torque and the rotation speed of the rotor of the electric motor, and FIG. 3 is the characteristic diagram showing the relationship between the drive line wheel voltage and the rotation speed of the rotor. 1...Pump part, 2...Electric motor, 3...Rotor,
5... Pump rotor, 6... Non-magnetic cylindrical body, 9
...Drive line wheel, 12...Medical solution delivery port, l3...Medical solution flow path, 14...Narrow gap passage, 15.16...
・Discharge port, I7...Medicine inlet of pump part Fig. 1 15 Fig. 2 Fig. 3
Claims (3)
そのポンプ部を駆動する電動機を備えた薬液噴霧機にお
いて、電動機にはその駆動線輪の周面に沿わせて薬液を
流通させる薬液流路を形成し、この薬液流路の一端側を
ポンプ部の薬液送出側と連通させ、ポンプ部から送出さ
れる薬液を電動機の薬液流路を経て噴霧ノズルに供給す
るように構成したことを特徴とする薬液噴霧機。(1) A pump unit that sucks the chemical solution and delivers it at a predetermined pressure;
In a chemical liquid spray machine equipped with an electric motor that drives the pump section, a chemical liquid flow path is formed in the electric motor along the circumferential surface of the drive line wheel through which the chemical liquid flows, and one end side of this chemical liquid flow path is connected to the pump section. 1. A chemical liquid spraying machine, characterized in that the chemical liquid spraying machine is configured to communicate with the chemical liquid delivery side of the pump unit, and to supply the chemical liquid sent from the pump part to the spray nozzle through the chemical liquid flow path of the electric motor.
動機の一端側に一体に設けて、ポンプ部のポンプロータ
と電動機の回転子を連結し、電動機の内部には駆動線輪
の内周面に沿う薬液流路を形成してその一端側をポンプ
部の薬液送出口に連通させ、かつ薬液流路の他端側に噴
霧ノズルに薬液を供給する吐出口を設けてなることを特
徴とする薬液噴霧機。(2) A pump part that suctions chemical liquid and delivers it at a predetermined pressure is integrally provided on one end side of the electric motor, and the pump rotor of the pump part and the rotor of the electric motor are connected. A chemical liquid flow path is formed along the circumferential surface, one end of which is communicated with a chemical liquid delivery port of the pump section, and a discharge port for supplying the chemical liquid to the spray nozzle is provided at the other end of the chemical liquid flow path. Chemical liquid spray machine.
の間に非磁性体の筒状体を介在させ、この筒体で駆動線
輪の内周面に沿う薬液流路を形成したことを特徴とする
請求項（２）記載の薬液噴霧機。(3) A cylindrical body made of non-magnetic material is interposed between the rotor of the electric motor and the drive line ring surrounding the rotor, and a chemical liquid flow path is formed along the inner peripheral surface of the drive line ring with this cylindrical body. The chemical liquid spraying machine according to claim (2), characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23637289A JPH0398666A (en) | 1989-09-12 | 1989-09-12 | Chemical solution sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23637289A JPH0398666A (en) | 1989-09-12 | 1989-09-12 | Chemical solution sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0398666A true JPH0398666A (en) | 1991-04-24 |
| JPH0546261B2 JPH0546261B2 (en) | 1993-07-13 |
Family
ID=16999818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23637289A Granted JPH0398666A (en) | 1989-09-12 | 1989-09-12 | Chemical solution sprayer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0398666A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11014668B2 (en) | 2016-11-24 | 2021-05-25 | SZ DJI Technology Co., Ltd. | Agricultural unmanned aerial vehicle |
-
1989
- 1989-09-12 JP JP23637289A patent/JPH0398666A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11014668B2 (en) | 2016-11-24 | 2021-05-25 | SZ DJI Technology Co., Ltd. | Agricultural unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0546261B2 (en) | 1993-07-13 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |