CN2407844Y

CN2407844Y - Micro motor sprayer

Info

Publication number: CN2407844Y
Application number: CN 00216846
Authority: CN
Inventors: 罗邦琴
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-03-16
Filing date: 2000-03-16
Publication date: 2000-11-29
Anticipated expiration: 2010-03-16

Abstract

The utility model relates to a spraying apparatus which is used for preventing and curing insect disease of agriculture. It is composed of an accumulator, an electrical machine, a single cylinder plunger pump and a driving device which is formed by an eccentric axis, a bearing and a connecting rod. The single cylinder plunger pump comprises a pump body, a stepped slide shaft which is fixed in the pump body, an abrasion-proof muff, a black box, a water segregator, a unidirectional drainage valve, a unidirectional Suction valve, an air chamber and a water effusing joint. The single cylinder plunger pump pushes the slide shaft and a piston valve base to do back-and-forth linear motion through the driving device of the eccentric axis. So, the goal of pressure boost and atomizing is achieved. The utility model is provided with some advantages, as small size, light weight, convenient operation, large pressure, noiseless and no vibrating. The utility model can be widely used for pest control of various agronomic crops.

Description

The miniature electric sprayer

The utility model relates to the spraying apparatus of prevention and elimination of disease and pests on a kind of agricultural, particularly power spraye.

Agricultural atomizer can be divided into power driven sprayer and hand sprayer with the difference of its induced way at present.Hand spray is generally carried on the back on health, and use is relatively more flexible, convenient, and cost is also lower.But it is big that its greatest drawback is a labor intensity of operating staff, and efficient is low, and atomizing effect is bad, and the soup that oozes out causes the human body poisoning easily.Power driven sprayer has internal combustion engine sprayer and power spraye.Internal combustion engine sprayer power is big, and speed is fast, be applicable to large tracts of land, area use in flakes, but the volume heaviness generally need the several people to operate, and noise is big, the fuel oil pollution environment; So-called power spraye is by the driven by motor pump, its prior art structure more complicated, and pressure is not high, and especially the structure of pump is unreasonable, and is fragile.

It is a kind of in light weight, easy to carry, pollution-free that the purpose of the utility model is to provide, the miniature electric sprayer that condensation rate is high.

The technical solution of the utility model is such realization: it is made up of power supply, motor and single cylinder piston pump and transmission mechanism.Transmission mechanism comprises the eccentric shaft that is fixed on the machine shaft, is enclosed within the bearing on the eccentric shaft, is fixed on the connecting rod on the bearing.Single cylinder piston pump comprises the pump housing that is connected and composed in turn by cylinder body, cylinder sleeve and suction seat, be contained in the stairstepping sliding axle in the pump housing, the wear-resistant sleeve, black box, water knockout drum, the single slope drainage valve that are enclosed within successively on the sliding axle reach the unidirectional suction valve that constitutes water sucting cavity with the single slope drainage valve.Have water outlet on the cylinder body, be connected with air chamber and water out adapter on the water outlet.Described sliding axle one end and connecting rod flexibly connect, and the other end and single slope drainage valve join; The water outlet of cylinder body communicates with water knockout drum.

Single slope drainage valve described in the utility model is by the piston valve base that is fixed on band osculum on the sliding axle, and the spring that withstands on the valve gap on the piston valve base osculum and valve gap one end is withstood on the osculum is formed.The other end of spring be against the step-like shoulder of sliding axle protruding on.Be embedded with piston ring on the piston valve base, the elastic force spring is housed in the piston ring, the elastic force spring plays the sealing between automatic regulating piston ring and the cylinder sleeve.Valve gap nail on suction valve block suction hole becomes with the compression spring set that the valve gap nail is fitted on the suction hole described unidirectional suction valve by suction valve block that is fixed on band suction hole on the pump housing and roof pressure.

The utility model is equipped with pressure switch on air chamber, the keying of this pressure switch control motor.

The utility model is made power supply with battery, and power supply machine uses, and battery tension is 12V.

The utility model also places battery and motor, the pump housing in the casing, is easy to carry.

Operation principle of the present utility model is such: behind the power initiation motor, the rotating shaft of motor makes the eccentric shaft rotation, and drivening rod promotion sliding axle does reciprocating linear motion with the single slope drainage valve that is contained on the sliding axle.When sliding axle moved right, the hydraulic pressure in the water sucting cavity increased, and unidirectional suction valve cuts out, the single slope drainage opening of valves, and the liquid of water sucting cavity is to the cylinder body internal-filling liquid; When sliding axle during to left movement, the hydraulic pressure in the water sucting cavity reduces, and unidirectional suction valve is opened, and liquid enters water sucting cavity by water supply connector, and the single slope drainage valve cuts out simultaneously, and with the liquid in the cylinder body by water outlet, water out adapter is discharged.Like this, sliding axle is rectilinear motion circularly at a high speed, will make liquid on the basis of supercharging, continuously discharges, thereby has realized the purpose of spraying.

Obviously, the utility model is compared with existing sprayer, have in light weight, volume is little, compact conformation, easy to operate, pressure is big and stablize, advantages such as noiseless, pollution-free, friction; The prevention and control of plant diseases, pest control that can be widely used in various crops also can be used for health epidemic prevention.

Below in conjunction with embodiment shown in the drawings the utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the enlarged diagram of sealing ring.

The miniature electric sprayer is installed in the casing 1 by single cylinder piston pump and the battery 2 that motor 3 drives, and motor 3 is by battery 2 power supplies, and battery 2 is selected 12 volts for use, and motor 3 drives single cylinder piston pump work by transmission mechanism.Transmission mechanism comprises with screw 30 and is fixed on eccentric shaft 28 in the rotating shaft 29, is enclosed within the bearing 27 on the eccentric shaft 28 and is fixed on connecting rod 26 on the bearing 27.The other end of connecting rod 26 is connected on the sliding axle 23 in the single cylinder piston pump with straight pin 25.Single cylinder piston pump comprises by cylinder body 19, cylinder sleeve 33 and suction seat 7 pump housings that connect and compose in turn, placing has three sections step-like sliding axles 23 in the pump housing, be enclosed within wear-resistant sleeve 24, black box 22,21, water knockout drum 20, single slope drainage valve and unidirectional suction valve on sliding axle 23 different-diameters successively.Be separated with water sucting cavity 34 between single slope drainage valve and the unidirectional suction valve.

Black box is made of cover for seat 22 and sealing ring 21, has sealing tooth bar 36 on sealing ring 21 inside and outside walls, referring to Fig. 2.Have apopore 32 on the water knockout drum 20, apopore 32 communicates with cylinder body 19 water outlets 35.Air chamber 4 and water out adapter 6 are housed on the water outlet 35; Pressure switch 5 is equipped with on air chamber 4 tops, and pressure switch 5 is connected in series with the power line of motor 3, controls its keying.When surpassing the pressure of setting in the air chamber 4, pressure switch 5 automatic disconnections make motor 3 outage shutdown, thereby reach the effect of regulating pressure.

The single slope drainage valve comprises twisting with nut and has the piston valve base 16 of osculum 15 at sliding axle 23 other ends admittedly, with the valve gap 17 of spring 18 roof pressures on osculum 15, the other end of spring 18 be against the shoulder of sliding axle 23 protruding on.Piston valve base 16 is embedded with piston ring 10, and elastic force spring 37 is housed in the piston ring 10, and elastic force spring 37 makes and remains sealing between piston ring 10 and the cylinder sleeve 33.

Unidirectional suction valve by clamping between suction seat 7 and the cylinder sleeve 33, have the suction valve block 13 in suction hole 14 and withstood on that valve gap nail 11 and one end on the suction hole 14 withstands on the suction valve block 13, the other end is against the compression springs 8 that valve gap nail 11 follows closely on the stem nuts and forms.Suction seat 7 has water supply connector 9, between suction valve block 13 and suction seat 7, cylinder sleeve 33, the cylinder body 19 " O " RunddichtringO is housed.

The utility model is behind battery 2 starter motors 3, and motor 3 promotes sliding axle 23 and piston valve base 16 and does reciprocating linear motion by the transmission mechanism of eccentric shaft 28.In piston valve base 16 moved to left process, the hydraulic pressure in the water sucting cavity 34 reduced, and valve gap nail 11 is opened suction hole 14 under suction function, and liquid enters water sucting cavity 34 by water supply connector 9 and suction hole 14.Simultaneously, valve gap 17 is closed osculum 18 under the effect of spring, and will be housed in the liquid in the water knockout drum 20, under the effect of pressure, and by apopore 32, water outlet 35, water out adapter 6 and release.When piston valve base 16 moved to right, the hydraulic pressure in the water sucting cavity 34 increased, and valve gap nail 11 seals suction holes 14 on the one hand, and on the other hand, hydraulic pressure makes valve gap 17, opening water discharge hole 15, and the liquid in the water sucting cavity 34 enters in the water knockout drum 20.Like this, constantly move back and forth fast, make after the liquid supercharging, thereby reach the purpose of spraying continuously from the water out adapter ejection.

Claims

1, a kind of miniature electric sprayer, by power supply (2), motor (3) and single cylinder piston pump and transmission mechanism are formed, it is characterized in that: described transmission mechanism comprises the eccentric shaft (28) that is fixed in motor (3) rotating shaft (29), be enclosed within the bearing (27) on the eccentric shaft (28), be fixed on the connecting rod (26) on the bearing (27), described single cylinder piston pump comprises by cylinder body (19), the pump housing that cylinder sleeve (33) and suction seat (7) connect and compose in turn is contained in the stairstepping sliding axle (23) in the pump housing, be enclosed within the wear-resistant sleeve (24) on the sliding axle (23) successively, black box (22,21), water knockout drum (20), the single slope drainage valve reaches the unidirectional suction valve that constitutes water sucting cavity (34) with the single slope drainage valve; Have water outlet (35) on the cylinder body (19), be connected with air chamber (4) and water out adapter (6) on the water outlet (35), described sliding axle (23) one ends and connecting rod (26) flexibly connect, and the other end and single slope drainage valve join, and the water outlet (35) of cylinder body (19) communicates with water knockout drum (20).

2, according to the described miniature electric sprayer of claim 1, it is characterized in that: described single slope drainage valve is gone up the piston valve base (16) of band osculum (15) by being fixed on sliding axle (23), and the spring (18) that withstands on the valve gap (17) on piston valve base (16) osculum (15) and valve gap (17) one ends are withstood on the osculum (15) is formed; Wherein be embedded with piston ring (10) on the piston valve base (16); The compression spring (8) that described unidirectional suction valve is followed closely (11) and valve gap nail (11) is fitted on the suction hole (14) at the valve gap on suction valve block (13) the suction hole (14) by suction valve block (13) that is fixed on band suction hole (14) on the pump housing and roof pressure is formed.

3, according to claim 1 or 2 described miniature electric sprayers, it is characterized in that: power supply (2) is a battery.

4, according to the described miniature electric sprayer of claim 3, it is characterized in that: described battery (2) and motor (3), the pump housing place in the casing (1).

5, according to claim 1 or 2 described miniature electric sprayers, it is characterized in that: the pressure switch (5) that control motor (3) opens and closes is housed on the air chamber (4).

6, according to right 3 described miniature electric sprayers, it is characterized in that: the pressure switch (5) that control motor (3) opens and closes is housed on the air chamber (4).

7, according to claim 1 or 2 described miniature electric sprayers, it is characterized in that: between described water knockout drum (20), suction valve block (13) and the pump housing " O " RunddichtringO (31) is housed, has sealing tooth bar (36) on the sealing ring in the described black box (21) inside and outside wall.

8, according to the described miniature electric sprayer of claim 2, it is characterized in that: between piston valve base (16) and the piston ring (10) elastic force spring (37) is housed.