CN2834707Y - Improved back carried sprayer - Google Patents
Improved back carried sprayer Download PDFInfo
- Publication number
- CN2834707Y CN2834707Y CN 200520022642 CN200520022642U CN2834707Y CN 2834707 Y CN2834707 Y CN 2834707Y CN 200520022642 CN200520022642 CN 200520022642 CN 200520022642 U CN200520022642 U CN 200520022642U CN 2834707 Y CN2834707 Y CN 2834707Y
- Authority
- CN
- China
- Prior art keywords
- air chamber
- valve
- triple valve
- sprayer
- pump
- 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 - Fee Related
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Abstract
The utility model relates to an improved back carried sprayer which belongs to the sprayers, particularly a back carried sprayer used for spraying insecticide to plants. An air chamber of the sprayer is arranged in a physic liquor box; a cylinder is connected with the air chamber by an integral three-way valve. The utility model has the advantages of simple structure, safe use, high utilization rate of physic liquor and no leakage of a valve body.
Description
Technical field
The utility model belongs to sprayer, particularly the knapsack sprayer of spraying insecticide to plant.
Technical background
The air chamber of traditional knapsack sprayer is external, water intaking valve and outlet valve are two individual components, place the inboard and the outside of spray tank respectively, this just structures shape commonly used for many years air chamber must place outside the spray tank, owing to do not note slightly pressurizeing during the operator uses excessively, make the pressure superelevation in the air chamber, cause it to break, to endanger the operator after the soup ejection, when the use material of air chamber was relatively poor, broken plastic sheet was splashed to operator's neck and can causes more serious consequence.In addition, the influence that is stressed of water intaking valve and outlet valve junction is in use easily leaked, and the utilization rate of soup is reduced, and has reduced spray effect.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of improved knapsack sprayer, and it is simple in structure, and is safe in utilization, soup utilization rate height, and valve body does not have leakage.
Solving the scheme that technical problem of the present utility model adopts is: air chamber is installed in the spray tank, with the triple valve of integral type pump and air chamber is linked together.
The technique scheme that the utility model adopted can reach following effect:
(1) owing to adopted the triple valve of integral type, therefore can very compactly air chamber be installed in the spray tank, and not take more space, when breaking when the hypertonia in the air chamber, the outer wall of spray tank and soup secondary buffer are wherein arranged, can reduce injury greatly human body.
(2) triple valve of integral type has reduced the junction of pipeline, has also just reduced leakage point, even small leakage is arranged, also is to enter in the spray tank, so can improve the utilization rate of soup.
(3) owing to reduced leakage point, therefore can keep the pressure in the higher fluid passage, also just improve the spray effect of knowing clearly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Each label is represented successively among the figure: pump 1, air chamber 2, medicine liquid outlet 3, delivery port 4, water sucking mouth 5, connecting thread 6, triple valve 7, spray tank 8, check valve 9, check valve 10.
The specific embodiment
Referring to Fig. 1, adopt the triple valve 7 of integral type that pump 1 and air chamber 2 are linked together, the connecting thread 6 of extension is arranged on the triple valve 7, thereby pump 1, air chamber 2 and triple valve 7 are connected in the spray tank 8 with integral body.The water inlet of integral type triple valve 7 is provided with check valve 9 and is communicated with pump 1, and the delivery port 4 of triple valve 7 is provided with check valve 10 and is communicated with air chamber 2, and the water sucking mouth 5 of triple valve 7 is connected with the suction hose that reaches spray tank 8 bottoms (not drawing).When taking out on the pump 1, check valve 9 is opened, and check valve 10 is closed, and soup enters in the pump 1 from water sucking mouth 5 always; When pump 1 pressed down, check valve 9 was closed, and check valve 10 is opened, and soup flows into the air chamber 2 in pump 1, and the pressure in the air chamber 2 raises gradually; When opening the nozzle switch that is connected medicine liquid outlet 3, the soup in the air chamber 2 sprays under pressure.
Claims (2)
1, a kind of improved knapsack sprayer, it is characterized in that: air chamber is installed in the spray tank, with the triple valve of integral type pump and air chamber is linked together.
2, by the described improved knapsack sprayer of claim 1, it is characterized in that: the water inlet of integral type triple valve is provided with check valve and is communicated with pump, the delivery port of triple valve is provided with check valve and is communicated with air chamber, the connecting thread that extension is arranged on the triple valve is connected on the spray tank it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520022642 CN2834707Y (en) | 2005-08-12 | 2005-08-12 | Improved back carried sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520022642 CN2834707Y (en) | 2005-08-12 | 2005-08-12 | Improved back carried sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2834707Y true CN2834707Y (en) | 2006-11-08 |
Family
ID=37299366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520022642 Expired - Fee Related CN2834707Y (en) | 2005-08-12 | 2005-08-12 | Improved back carried sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2834707Y (en) |
-
2005
- 2005-08-12 CN CN 200520022642 patent/CN2834707Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20061108 Termination date: 20090914 |