CN1930960B - Foot pressure stabilizing knapsack sprayer - Google Patents
Foot pressure stabilizing knapsack sprayer Download PDFInfo
- Publication number
- CN1930960B CN1930960B CN2006101136786A CN200610113678A CN1930960B CN 1930960 B CN1930960 B CN 1930960B CN 2006101136786 A CN2006101136786 A CN 2006101136786A CN 200610113678 A CN200610113678 A CN 200610113678A CN 1930960 B CN1930960 B CN 1930960B
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- cylindrical shell
- pressure stabilizing
- piston
- knapsack sprayer
- sprayer
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Abstract
The foot pulled pressure stabilizing knapsack sprayer includes a knapsack tank with pesticide filling port and filtering net, backstraps, a tubular air pump, a pressure stabilizing valve, and an air release valve. The air pump has one concave frame on the top of its piston and one horizontal push lever on the frame, and the push lever has one end fixed through a rope on the tank and the other end connected through a rope to one foot sleeve. The tank is connected to one double layer rubber pipe, which includes an inside pipe connected to the pesticide pipe and an outer pipe connected to the air chamber and is connected to a two-phase flow spray gun. Compared with traditional hand operated sprayer, the foot pulled pressure stabilizing knapsack sprayer has one magnitude smaller sprayed liquid drops, obviously raised pesticide utilizing rate, greatly raised operation efficiency and other advantages.
Description
Technical field
The present invention relates to a kind of agriculture articles for use, particularly a kind of foot pressure stabilizing knapsack sprayer.
Background technology
China is agricultural production big country, control agricultural disease worm mainly relies on chemical control, it is the knapsack hand sprayer of representative with " workers and peasants-16 type " that the spraying equipment overwhelming majority is still eighties of last century 50 to the seventies, this sprayer is made up of cylindrical shell, hand air pump and spray gun, because of directly relying on operator's arm to fluctuate the operation handle to the soup pressure atomization, the as easy as rolling off a log fatigue of operator, cause spraying pressure inequality during the medicine, the droplet difference in size of ejection is very big, directly influence spray effect, reduced agricultural chemicals availability and insect pests effect; Rely on arm motion directly to the soup pressurization, limited pressure can only form not satisfactory spray effect, and itself has just determined its atomization quality its atomizing principles; Because knapsack hand sprayer hand in the dispenser process will be implemented spraying by the another hand ceaselessly to the sprayer pressurization, makes troubles to even spraying, also to a certain degree influences spray effect.So, the highest can only the reaching about 30% of agricultural chemicals availability during the actual use of best traditional knapsack hand sprayer, thereby Germany banned use of in the eighties in last century.
Summary of the invention
For remedying above-mentioned deficiency, the invention provides a kind of foot pressure stabilizing knapsack sprayer that utilizes walking for power source.
Foot pressure stabilizing knapsack sprayer of the present invention, comprise the backpack cylindrical shell, medicine containing opening, screen pack, suspender clip, the cartridge type air pump that partly is sunken in the cylindrical shell is set at the cylindrical shell top, pressure maintaining valve and vent valve, a concave frame is established on the piston top of described air pump, a horizontal therebetween depression bar, one end of described depression bar leads on the fixed angles of cylindrical shell by static line, the other end is a long lifting rope, its lower end is a footmuff, and described depression bar is pressed on the described concave frame, by the retainer ring that is connected on the described concave frame is detained, described cylindrical shell top also connects the pair of lamina sebific duct, pipe connects drug liquid tube in it, and there is liquid medicine filter described drug liquid tube termination, and described sebific duct connects a two phase flow spray gun.
Foot pressure stabilizing knapsack sprayer of the present invention, described air pump is in the tubular pump case of a upper shed, be provided with the ring piston of under shed, between described piston and the tubular pump case piston packing ring is arranged, establish a return spring in the described piston, its lower end contacts with at the bottom of the described tubular pump case, and there is a breather check valve on described piston top, have a check valve to give vent to anger at the bottom of the described tubular pump case, described pump case is fixed on the described cylindrical shell by dead ring.
Foot pressure stabilizing knapsack sprayer of the present invention, described depression bar are that to be provided with several be the hole to an end of lifting rope.
Foot pressure stabilizing knapsack sprayer of the present invention, the head of described two phase flow spray gun is provided with removable shower nozzle.
Because foot pressure stabilizing knapsack sprayer of the present invention adopts foot-operated being used as power, laborsaving and pressure air pump is higher, adopted the two phase flow spray gun again, air and soup mix in the shower nozzle outlet, institute's spraying liquid droplet particle is little, spray evenly, droplet particle size and spray angle can be regulated by nozzle structure; For keeping constant voltage also to be provided with pressure maintaining valve, can keep between spray phase pressure constant, guarantee to stablize spray effect and higher nebulization efficiency.
Description of drawings
Fig. 1 is the rearview of foot pressure stabilizing knapsack sprayer of the present invention;
Fig. 2 is the end view of foot pressure stabilizing knapsack sprayer of the present invention.
Embodiment
For further setting forth the present invention, do more detailed explanation below in conjunction with embodiment.
Fig. 1 is the rearview of foot pressure stabilizing knapsack sprayer of the present invention, the same with traditional knapsack sprayer, one cylindrical shell 1 is arranged, one side, top at cylindrical shell 1, one cartridge type air pump 2 is arranged, another side, be provided with powder charge hole 14, pressure maintaining valve 4, vent valve 13, in powder charge hole 14, be provided with screen pack 15, be provided with a connector 17, connect two phase flow spray guns 8 by double-deck flexible pipe 5 in the central authorities of cylindrical shell 1, connector 17 is an inner and outer pipes interface, pipe connects the drug liquid tube 6 in the cylindrical shell 1 in it, and its outer tube connects the shell of cylindrical shell 1, just the air chamber in the cylindrical shell 1.
Drug liquid tube 6 lower ends are connected with liquid medicine filter 7, in order to possible impurity in the further elimination soup, avoid the obstruction of spray gun.
Cartridge type air pump 2 has a tubular pump case 23, there is the end lower end, the upper end is open, in adorn a pot type piston 22, for there is the end upper end, the lower end is open, the latter is buckled within the former, is also having twice piston packing ring 24, one return springs 25 to be installed in piston 22 and the pump case 23 on the piston 22, the upper end heads on the end of piston 22, the lower end heads on the end of pump case 23, and breather cheek valve 27 was arranged on the end of piston 22, and unidirectional air outlet valve 26 was arranged on the end of pump case 23, one concave frame 21 is arranged at the top of piston 22, a horizontal depression bar 3 (see figure 2)s on the concave frame 21, the fixed angles that an end of this depression bar 3 connects on the cylindrical shell 1 with tether 18, the other end is a lifting rope 10, lifting rope 10 lower ends are a footmuff 11, it is hole 12 that this end has several, can regulate the position of lifting rope 10, changes the size or the foot-operated stroke of power, the tubular pump housing 23 half is sunken in the cylindrical shell 1, and is closely fixing by dead ring 28 and cylindrical shell 1.
Depression bar 3 is pressed on the concave frame 21, on concave frame 21, establish a retainer ring 19, fasten depression bar 3, when footmuff 11 does not stress, under the effect of return spring 25, move on the piston 22, head on the depression bar 3 and move, the connected mode of the depression bar 3 among employing the present invention, concave frame 21, retainer ring 19 can guarantee that depression bar 3 has certain slippage, and motion freely.
Use backpack voltage stabilizing sprayer of the present invention, should be with cylindrical shell 1 back of the body at back, a pin of air pump one side reaches in the footmuff 11, and the length of lifting rope should be regulated according to user's height, and the position of pore 12 also can carefully be adjusted.The appropriate level of adjusting when guaranteeing normally to advance or remain where one is air pump 2 just atmospheric gas be as the criterion.
Because foot pressure stabilizing knapsack sprayer of the present invention adopts the foot-operated power that is, the strength of calming the anger is big, the pressure height in the cylindrical shell 1, for preventing that cylindrical shell 1 from damaging and keeping the constant voltage of long period, cylindrical shell 1 is provided with pressure maintaining valve 4, and pressure maintaining valve 4 is opened venting automatically when hypertonia, closes to predetermined pressure.Same owing to have pressure from start to finish in the cylindrical shell 1, seal cover on the medicine containing opening 14 can not directly be opened, thus be provided with a vent valve 13, when needs are opened seal cover on the medicine containing opening 14, should open vent valve 13 earlier, treat to open seal cover again after pressure in the cylindrical shell 1 does not have.
Because foot pressure stabilizing knapsack sprayer of the present invention adopts two phase flow spray gun 8, this spray gun 8 needs soup and pressed gas to deliver to shower nozzle 9 places simultaneously, so must use double-deck flexible pipe 5 to connect spray gun 8 and cylindrical shell 1, its outer tube connects the shell of cylindrical shell 1, be equivalent to directly connect the air chamber in the cylindrical shell 1
The thick droplet spraying of the more traditional knapsack hand sprayer of the droplet of foot pressure stabilizing knapsack sprayer of the present invention little a lot (about order of magnitude), and it is very even to distribute, the agricultural chemicals availability significantly improves, thereby the diseases and pests controlling effect significantly improves, mu dispenser liquid can reduce at double, and operating efficiency increases substantially.So the pull-type voltage stabilizing spray structure of pin is simple, spraying is convenient, evenly, have province's material, laborsaving, joint medicine, water saving, advantage such as efficient and not fragile, be the desirable regeneration product of traditional knapsack hand sprayer.
Claims (3)
1. foot pressure stabilizing knapsack sprayer, comprise backpack cylindrical shell (1), medicine containing opening (14), screen pack (15), suspender clip (16), it is characterized in that, the cartridge type air pump (2) that partly is sunken in the cylindrical shell (1) is set at cylindrical shell (1) top, pressure maintaining valve (4) and vent valve (13), a concave frame (21) is established on piston (22) top of described air pump (2), a horizontal therebetween depression bar (3), one end of described depression bar (3) leads on the fixed angles of cylindrical shell (1) by static line (18), the other end is a long lifting rope (10), its lower end is a footmuff (11), described depression bar (3) is pressed on the described concave frame (21), by the retainer ring (19) that is connected on the described concave frame (21) is detained, described cylindrical shell (1) top also connects pair of lamina sebific duct (5), pipe connects drug liquid tube (6) in it, there is liquid medicine filter (7) described drug liquid tube (6) termination, and described sebific duct (5) connects a two phase flow spray gun (8); Described air pump (2) is in the tubular pump case (23) of a upper shed, be provided with the ring piston (22) of under shed, between described piston (22) and the tubular pump case (23) piston packing ring (24) is arranged, establish a return spring (25) in the described piston (22), its lower end contacted with described tubular pump case (23) end, there is a breather check valve (27) on described piston (22) top, described tubular pump case (23) end, have a check valve to give vent to anger (26), and described pump case (23) is fixed on the described cylindrical shell (1) by dead ring (28).
2. according to the foot pressure stabilizing knapsack sprayer of claim 1, it is characterized in that described depression bar (3) is that to be provided with several be hole (12) to an end of lifting rope (10).
3. according to the foot pressure stabilizing knapsack sprayer of claim 2, it is characterized in that the head of described two phase flow spray gun (8) is provided with removable shower nozzle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101136786A CN1930960B (en) | 2006-10-12 | 2006-10-12 | Foot pressure stabilizing knapsack sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101136786A CN1930960B (en) | 2006-10-12 | 2006-10-12 | Foot pressure stabilizing knapsack sprayer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1930960A CN1930960A (en) | 2007-03-21 |
| CN1930960B true CN1930960B (en) | 2010-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101136786A Expired - Fee Related CN1930960B (en) | 2006-10-12 | 2006-10-12 | Foot pressure stabilizing knapsack sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1930960B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103202278A (en) * | 2013-04-14 | 2013-07-17 | 李海飞 | Multifunctional liquid pesticide sprayer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200954485Y (en) * | 2006-10-12 | 2007-10-03 | 郑建秋 | Backpack type foot-pull pressure-stabilizing sprayer |
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2006
- 2006-10-12 CN CN2006101136786A patent/CN1930960B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200954485Y (en) * | 2006-10-12 | 2007-10-03 | 郑建秋 | Backpack type foot-pull pressure-stabilizing sprayer |
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| Publication number | Publication date |
|---|---|
| CN1930960A (en) | 2007-03-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100922 Termination date: 20131012 |