CN214637503U - Portable electric sprayer - Google Patents
Portable electric sprayer Download PDFInfo
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- CN214637503U CN214637503U CN202120254166.1U CN202120254166U CN214637503U CN 214637503 U CN214637503 U CN 214637503U CN 202120254166 U CN202120254166 U CN 202120254166U CN 214637503 U CN214637503 U CN 214637503U
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- air inlet
- pressure chamber
- liquid medicine
- medicine box
- top plate
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Abstract
The utility model discloses a portable electric sprayer, which comprises a liquid medicine box, a fan, a pressure chamber, an air inlet cover and a spray head, wherein the spray head is connected with an air outlet in the front part of the pressure chamber, a spray head is arranged in the spray head, and a liquid inlet hole of the spray head is connected with the liquid medicine box through a liquid conveying pipe; an air inlet hole at the upper part of the liquid medicine box is communicated with a pressure cavity of the pressure chamber, the top of the pressure chamber comprises an air inlet, and the fan is arranged at the air inlet part of the pressure chamber; the air inlet cover is covered above the air inlet and is fixedly connected with the pressure chamber; the bottom plate of the pressure chamber comprises a threaded interface, and the threaded interface at the top of the liquid medicine box is connected with the threaded interface of the pressure chamber; the threaded interface of the liquid medicine box comprises a top plate, the air inlet hole is arranged on the top plate of the threaded interface of the liquid medicine box, and the infusion tube penetrates through the top plate of the threaded interface of the liquid medicine box. The utility model is of a vertical structure, small occupation space, convenient carrying, difficult oscillation generation of the liquid medicine in the liquid medicine box, and difficult cutoff of the infusion hose when the liquid medicine in the liquid medicine box is less.
Description
[ technical field ]
The utility model relates to a spraying utensil especially relates to a portable electric nebulizer.
[ background art ]
The sprayer is a pesticide applying device for hygiene and epidemic prevention, pest control of agricultural and forestry crops, foliage spraying of fertilizer and plant nutrient solution.
A conventional portable electric sprayer includes a liquid medicine tank, a pressure chamber, and a spray head. The sprayer has a notch and the pressure chamber is disposed in the notch in the front of the tank. The pressure chamber is provided with an electric fan, and the electric fan (fan) pressurizes low-pressure air entering from an air inlet of the pressure chamber and then conveys the low-pressure air into a pressure cavity of the pressure chamber. The spray head is connected with the air outlet at the front part of the pressure chamber through a corrugated pipe, a spray head is arranged in the spray head, and a liquid inlet hole at the rear part of the spray head is connected with the liquid medicine box through a liquid conveying hose. In addition, the upper part of the liquid medicine box is provided with an air inlet pipe communicated with a pressure cavity, the pressure in the pressure cavity is guided to the upper part of the liquid medicine box, a liquid medicine source is continuously conveyed to a spray head in the spray head, and when gas in the pressure cavity flows through the spray head at a high speed, the liquid medicine flowing out of the spray head is scattered to form medicine mist.
The utility model with the patent number CN2016214934764 discloses a portable electric sprayer, which comprises a liquid medicine box, a pressure chamber and a spray head, wherein the pressure chamber is arranged in a notch at the front part of the liquid medicine box; the spraying head is connected with an air outlet in the front part of the pressure chamber, a spray head is arranged in the spraying head, and a liquid inlet hole in the rear part of the spray head is connected with the liquid medicine box through a liquid conveying pipe; the air inlet pipe at the upper part of the liquid medicine box is connected with the pressure cavity of the pressure chamber, and the air outlet of the pressure chamber is arranged at the lower part of the pressure chamber.
The electric sprayer of the utility model has large longitudinal size and is inconvenient to carry; the longitudinal dimension of the liquid medicine box is large, when the liquid medicine box has small liquid amount, the liquid medicine is easy to oscillate in the liquid medicine box, and when the liquid medicine flows to the rear part of the liquid medicine box, the liquid medicine can not be sucked by the infusion hose positioned at the front part.
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a portable electric nebulizer that vertical dimension is less.
In order to solve the technical problem, the utility model adopts the technical scheme that the portable electric sprayer comprises a liquid medicine box, a fan, a pressure chamber, an air inlet cover and a spray head, wherein the spray head is connected with an air outlet in the front part of the pressure chamber, a spray head is arranged in the spray head, and a liquid inlet hole of the spray head is connected with the liquid medicine box through a liquid conveying pipe; an air inlet hole at the upper part of the liquid medicine box is communicated with a pressure cavity of the pressure chamber, the top of the pressure chamber comprises an air inlet, and the fan is arranged at the air inlet part of the pressure chamber; the air inlet cover is covered above the air inlet and is fixedly connected with the pressure chamber; the bottom plate of the pressure chamber comprises a threaded interface, and the threaded interface at the top of the liquid medicine box is connected with the threaded interface of the pressure chamber; the threaded interface of the liquid medicine box comprises a top plate, the air inlet hole is arranged on the top plate of the threaded interface of the liquid medicine box, and the infusion tube penetrates through the top plate of the threaded interface of the liquid medicine box.
The above portable electric sprayer, the hickey be trapezoidal hickey, seal through the cotton sealed pad of bubble between the hickey at the top of spray tank and the hickey of pressure chamber.
In the portable electric sprayer, the fan is an axial flow fan and is arranged above the air inlet of the pressure chamber.
In the portable electric sprayer, the middle part of the top plate of the pressure chamber comprises a boss, and the air inlet of the pressure chamber is positioned in the boss; the lower edge of the fan shell is pressed on the edge of the top of the boss, and a sealing ring is arranged between the lower edge of the fan shell and the edge of the top of the boss; the inner side of the top plate of the air inlet cover comprises a plurality of downward bulges, and the bulges of the air inlet cover are pressed on the upper edge of the fan shell.
In the portable electric sprayer, the bottom plate of the air inlet cover comprises the air inlet, and the diameter of the air inlet of the bottom plate of the air inlet cover is larger than that of the boss of the pressure chamber; an air inlet gap is reserved between the edge of the top plate of the pressure chamber and the bottom plate of the air inlet cover.
The portable electric sprayer comprises 4 sets of connecting assemblies, each connecting assembly comprises a fixing column, a screw and a nut, the lower part of each fixing column comprises an external thread, the top of each fixing column comprises an internal thread, and the upper part of each external thread comprises a flange; the top plate of the air inlet cover comprises 4 depressions, and the 4 depressions form 4 downward bulges on the inner side of the top plate of the air inlet cover; the sunken part of the top plate of the air inlet cover comprises a first screw hole, and the edge of the top plate of the pressure chamber comprises 4 second screw holes; the external thread at the lower part of the fixed column is inserted into the second screw hole, and the nut of the connecting assembly is screwed on the external thread of the fixed column; and a screw of the connecting assembly is screwed into the internal thread at the top of the fixing column through the first screw hole.
The portable electric sprayer comprises a corrugated pipe and a clamp, wherein the spray head is connected with the front end of the corrugated pipe; the air outlet in the front of the pressure chamber comprises an annular groove. The hole at bellows rear end includes annular boss, and annular boss joint is in the annular groove of air outlet, and the clamp hoop is in the periphery of bellows rear end.
Above portable electric nebulizer, the top of air inlet cover includes the handle, the both ends of handle and air inlet cover's roof are connected.
The portable electric sprayer comprises a liquid conveying pipe, a liquid box, a spray head, a liquid box threaded connector top plate, a liquid box and a liquid filter screen, wherein the liquid conveying pipe comprises two hoses, a double-sided adapter and a rubber plug, the rubber plug is installed on a through hole of the liquid box threaded connector top plate, the double-sided adapter penetrates through an inner hole of the rubber plug, a first rubber pipe is connected with an upper joint of the double-sided adapter and a liquid inlet hole of the spray head, and a second rubber pipe is connected with a lower joint of the double-sided adapter and the liquid filter screen.
In the portable electric sprayer, the power cord of the fan is led out from the air inlet cover.
The utility model discloses an electric sprayer adopts vertical structure, and occupation space is little, portable, and the liquid medicine is difficult for producing the vibration in the liquid medicine case, and when the liquid medicine of liquid medicine case was less, the infusion hose was also difficult for cutting off.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a right side view of a portable electric sprayer according to an embodiment of the present invention.
Fig. 2 is a plan view of a portable electric sprayer according to an embodiment of the present invention.
Fig. 3 is a sectional view a-a in fig. 2.
Fig. 4 is a view showing a rotation of the section B-B in fig. 2.
Fig. 5 is a partially enlarged view of the portion i in fig. 3.
Fig. 6 is a partial enlarged view of the portion ii in fig. 3.
Fig. 7 is a partially enlarged view of the region iii in fig. 4.
Fig. 8 is a cross-sectional view of a fixing column according to an embodiment of the present invention.
[ detailed description of the invention ]
The portable electric sprayer according to the embodiment of the present invention is structured as shown in fig. 1 to 8, and includes a chemical liquid tank 10, a fan 20, a pressure chamber 30, an air inlet cover 40, a bellows 50, a spray head 60, and 4 sets of connection assemblies 70.
The spray head 60 is connected with the air outlet 36 at the front part of the pressure chamber 30 through a corrugated pipe 50, a spray head 61 is arranged in the spray head 60, and a liquid inlet hole of the spray head 61 is connected with the liquid medicine box 10 through a liquid conveying pipe 80.
A boss 31 is arranged in the middle of the top plate of the pressure chamber 30, and an air inlet 32 of the pressure chamber 30 is arranged in the middle of the top plate of the boss 31.
The bottom plate of the pressure chamber 30 is provided with a threaded interface 33, and the threaded interface 11 at the top of the liquid medicine box 10 is connected with the threaded interface 33 of the pressure chamber 30. The air inlet channel 15 of the liquid medicine box 10 is arranged on the top plate of the threaded interface of the liquid medicine box 10, and the infusion tube 80 passes through the top plate 111 of the threaded interface 11 of the liquid medicine box 10.
The threaded interface 33 of the pressure chamber 30 and the threaded interface 11 of the liquid medicine box 10 are three-head trapezoidal threaded interfaces, so that the assembly is easy, and the tensile strength is high. The threaded interface 11 at the top of the liquid medicine box 10 and the threaded interface 33 of the pressure chamber 30 are sealed through an annular foam sealing gasket 12.
The air inlet cover 40 covers the air inlet 32 and the fan 20, and is fixedly connected to the pressure chamber 30. The fan 20 is an axial flow fan 20 driven by a motor, and is arranged above the top plate of the boss 31, and a power cord 21 of the motor of the fan 20 is led out from the air inlet cover 40.
The lower edge of the casing of the fan 20 is pressed against the edge of the top plate of the boss 31, between which the sealing ring 22 is fitted.
The top of the air inlet cover 40 is provided with a handle 41, and two ends of the handle are connected with the top plate of the air inlet cover 40. The top plate of the air inlet cover 40 is provided with 4 recesses 42, and the 4 recesses 42 form 4 downward bulges 43 on the inner side of the top plate of the air inlet cover 40. The 4 protrusions 43 of the inlet cover 40 are pressed against the upper edge of the casing of the fan 20 to fix the fan 20 between the inlet cover 40 and the pressure chamber 30.
The connecting assembly 70 comprises a fixing column 70A, a screw 71 and a nut 72, wherein the lower part of the fixing column 70A comprises an external thread 73, the top part of the fixing column 70A comprises an internal thread 74, and the upper part of the external thread 73 is provided with a ring of flanges 75 which can be matched with fans with different heights.
Each sunken 42 position of air inlet cover 40 roof all has screw hole 45, and the edge of pressure chamber 30 roof has 4 screw holes 35. External threads 73 on the lower portions of the 4 fixing posts 70A are inserted into the screw holes 35 of the pressure chamber 30, and nuts 72 are screwed on the external threads 73 on the lower ends of the fixing posts 70A to fix the fixing posts 70A to the pressure chamber 30. The screws 71 pass through the screw holes 45 of the air inlet cover 40 and are screwed into the internal threads 74 at the tops of the fixing posts 70A, so that the air inlet cover 40 is fixed at the tops of the 4 fixing posts 70A. The screw 71 is positioned in the recess 42 of the top plate of the air inlet cover 40, and the fixing column 70A is arranged in the air inlet cover 40, so that the electric sprayer is attractive in appearance.
The bottom plate of the air inlet cover 40 is provided with a large round hole 44 to form an air inlet, and the diameter of the large round hole 44 of the air inlet of the bottom plate of the air inlet cover 40 is larger than that of the boss 31 of the pressure chamber 30 to form an air inlet channel of the air inlet cover 40. An air inlet gap delta is reserved between the edge of the top plate of the pressure chamber 30 and the bottom plate of the air inlet cover 40 in the vertical direction.
The spray head 60 is connected to the front end of the bellows 50. The outlet 36 at the front of the pressure chamber 30 has a circumferential groove 361. The inner hole at the rear end of the corrugated pipe 50 is provided with a circle of annular boss 51, the annular boss 51 is clamped in an annular groove 361 of the air outlet to prevent the corrugated pipe from being pulled out, and the clamp 52 is hooped on the periphery at the rear end of the corrugated pipe 50.
The air inlet channel 15 on the top plate of the threaded interface 11 of the liquid medicine box 10 is communicated with the pressure cavity of the pressure chamber 30.
The infusion tube 80 comprises two hoses, a double-sided adapter 81 and a rubber plug 82, the rubber plug 82 is installed on a through hole of a top plate of the threaded connector 11 of the liquid medicine box 10, the double-sided adapter 81 penetrates through an inner hole of the rubber plug 82, a first rubber tube (not shown in the figure) is connected with an upper connector of the double-sided adapter 81 and a liquid inlet hole of the spray head, and a second rubber tube 83 is connected with a lower connector of the double-sided adapter 81 and a liquid medicine filter screen 84.
The utility model discloses the electric spraying machine of above embodiment adopts vertical structure, and occupation space is little, portable, and liquid medicine case horizontal projection area is little, and the liquid medicine is difficult for producing the oscillation in the liquid medicine case, and when the liquid medicine of liquid medicine case was less, the infusion hose was also difficult for cutting off.
Claims (10)
1. A portable electric sprayer comprises a liquid medicine box, a fan, a pressure chamber and a spray head, wherein the spray head is connected with an air outlet in the front of the pressure chamber, a spray head is arranged in the spray head, and a liquid inlet hole of the spray head is connected with the liquid medicine box through a liquid conveying pipe; an air inlet hole at the upper part of the liquid medicine box is communicated with a pressure cavity of the pressure chamber, and the liquid medicine box is characterized by comprising an air inlet cover, the top of the pressure chamber comprises an air inlet, and a fan is arranged at the air inlet part of the pressure chamber; the air inlet cover is covered above the air inlet and is fixedly connected with the pressure chamber; the bottom plate of the pressure chamber comprises a threaded interface, and the threaded interface at the top of the liquid medicine box is connected with the threaded interface of the pressure chamber; the threaded interface of the liquid medicine box comprises a top plate, the air inlet hole is arranged on the top plate of the threaded interface of the liquid medicine box, and the infusion tube penetrates through the top plate of the threaded interface of the liquid medicine box.
2. The portable electric sprayer according to claim 1, wherein the screw interface is a trapezoidal screw interface, and the screw interface at the top of the liquid medicine tank and the screw interface of the pressure chamber are sealed by a foam gasket.
3. The portable power sprayer of claim 1, wherein the fan is an axial fan mounted above the inlet of the pressure chamber.
4. The portable electric sprayer of claim 3, wherein the middle portion of the top plate of the pressure chamber includes a boss in which the air inlet of the pressure chamber is located; the lower edge of the fan shell is pressed on the edge of the top of the boss, and a sealing ring is arranged between the lower edge of the fan shell and the edge of the top of the boss; the inner side of the top plate of the air inlet cover comprises a plurality of downward bulges, and the bulges of the air inlet cover are pressed on the upper edge of the fan shell.
5. The portable electric sprayer of claim 4, wherein the bottom panel of the air inlet hood includes an air inlet, the diameter of the air inlet of the bottom panel of the air inlet hood being greater than the diameter of the boss of the pressure chamber; an air inlet gap is reserved between the edge of the top plate of the pressure chamber and the bottom plate of the air inlet cover.
6. The portable electric sprayer according to claim 1, comprising 4 sets of connection assemblies, the connection assemblies comprising a fixing post, a screw and a nut, a lower portion of the fixing post comprising an external thread, a top portion comprising an internal thread, an upper portion of the external thread comprising a flange; the top plate of the air inlet cover comprises 4 depressions, and the 4 depressions form 4 downward bulges on the inner side of the top plate of the air inlet cover; the sunken part of the top plate of the air inlet cover comprises a first screw hole, and the edge of the top plate of the pressure chamber comprises 4 second screw holes; the external thread at the lower part of the fixed column is inserted into the second screw hole, and the nut of the connecting assembly is screwed on the external thread of the fixed column; and a screw of the connecting assembly is screwed into the internal thread at the top of the fixing column through the first screw hole.
7. The portable electric sprayer of claim 1, comprising a bellows and a clip, the spray head being connected to a front end of the bellows; the air outlet of the front part of the pressure chamber comprises an annular groove, the inner hole of the rear end of the corrugated pipe comprises an annular boss, the annular boss is clamped in the annular groove of the air outlet, and the hoop is hooped on the periphery of the rear end of the corrugated pipe.
8. The portable electric sprayer of claim 1, wherein the top of the air inlet cover includes a handle, both ends of the handle being connected to the top plate of the air inlet cover.
9. The portable electric sprayer according to claim 1, wherein the liquid transfer tube comprises two flexible tubes, a double-sided adapter and a rubber plug, the rubber plug is mounted on a through hole of a threaded connector top plate of the liquid medicine box, the double-sided adapter penetrates through an inner hole of the rubber plug, a first rubber tube connects an upper joint of the double-sided adapter and a liquid inlet hole of the spray head, and a second rubber tube connects a lower joint of the double-sided adapter and the liquid medicine filter screen.
10. The portable power sprayer of claim 1, wherein a power cord of the fan leads from the air inlet cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254166.1U CN214637503U (en) | 2021-01-27 | 2021-01-27 | Portable electric sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120254166.1U CN214637503U (en) | 2021-01-27 | 2021-01-27 | Portable electric sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214637503U true CN214637503U (en) | 2021-11-09 |
Family
ID=78520468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120254166.1U Active CN214637503U (en) | 2021-01-27 | 2021-01-27 | Portable electric sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214637503U (en) |
-
2021
- 2021-01-27 CN CN202120254166.1U patent/CN214637503U/en active Active
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