CN217491314U

CN217491314U - Hand-held electric sprayer

Info

Publication number: CN217491314U
Application number: CN202221419870.9U
Authority: CN
Inventors: 郑育平
Original assignee: SHENZHEN HUAJIANG TECHNOLOGY CO LTD
Current assignee: SHENZHEN HUAJIANG TECHNOLOGY CO LTD
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-09-27
Anticipated expiration: 2032-06-06

Abstract

The utility model relates to a hand-held type electric nebulizer, include: the main machine comprises a shell forming an accommodating cavity, a pump assembly and a power supply assembly, wherein the pump assembly and the power supply assembly are arranged in the accommodating cavity; the spray head assembly comprises a spray nozzle and a universal pipe, and two ends of the universal pipe are respectively connected to the pump assembly and the spray nozzle; the feed liquor subassembly for can dismantle with the stock solution bottle and be connected, the feed liquor subassembly includes the inlet tube, advance water piping connection in the other end of pump package spare. The utility model discloses a hand-held type electric nebulizer, shower nozzle subassembly utilize the universal pipe to be connected with the host computer, and the transform of angle just can not lead to damaging the atomizer because of folding when can be convenient for use, and the feed liquor subassembly utilizes inlet tube and stock solution bottle can be dismantled to be connected and realize and stock solution bottle separation to reduce the during operation manpower consumption.

Description

Hand-held electric sprayer

Technical Field

The utility model relates to a spray equipment technical field, especially relate to a hand-held type electric nebulizer.

Background

When a user uses the handheld sprayer to maintain lawns, gardens, courtyards and trees, fertilizers, herbicides, insecticides, bactericides and the like are usually sprayed. Most currently common nebulizers have an integrated, one-piece design, in which the bottle is designed integrally with the nebulizer or is detachably connected to the nebulizer. However, such integrated sprinklers have limited functionality and utility. For example, the weight of the liquid in the bottle can be tiring to a user when the user is holding a conventional hand-held spray device. In addition, if need connect longer spray lance, mechanical type folding or threaded connection mode is fixed generally, not only causes the residual liquid dribbling of spray lance and atomizer junction easily when installation and dismantlement, and the angle and the region that fixed spray lance can spray are also very restricted to the product size is too big, and it is very inconvenient to use and packing transportation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a hand-held type electric sprayer solves among the prior art atomizer spray lance and is not convenient for use, the atomizer sets up the defect that weight is big with stock solution bottle an organic whole.

The utility model provides a technical scheme that its technical problem adopted is: there is provided a hand-held electric sprayer comprising:

the main machine comprises a shell forming an accommodating cavity, a pump assembly and a power supply assembly, wherein the pump assembly and the power supply assembly are arranged in the accommodating cavity and electrically connected;

the spray head assembly comprises a spray nozzle and a universal pipe, and two ends of the universal pipe are respectively connected to the pump assembly and the spray nozzle;

the feed liquor subassembly for can dismantle with the stock solution bottle and be connected, the feed liquor subassembly includes the inlet tube, advance water piping connection in the other end of pump package spare.

In one embodiment, the universal pipe comprises a first inner pipe, a flexible metal pipe and a soft rubber pipe, wherein the flexible metal pipe is arranged between the inner pipe and the soft rubber pipe.

In one embodiment, the inner tube is a rubber tube or a silicone tube.

In one embodiment, the nozzle includes a sleeve, a conversion pipe, and a mouth, one end of the sleeve is provided with an external thread, the other end of the sleeve is provided with an internal thread and is in interference fit with the universal pipe thread, the conversion pipe is provided with a conversion hole, the internal diameter of the conversion hole is smaller than the internal diameter of the sleeve, the mouth is correspondingly provided with an internal thread, a water outlet hole is formed in the front end of the mouth, the aperture of the water outlet hole is smaller than the aperture of the conversion hole, and the conversion pipe is sleeved on the sleeve and is tightly clamped with the sleeve through the threaded connection of the mouth and the sleeve.

In one embodiment, the transfer tube is provided with a ring of annular grooves, and the nozzle further comprises a sealing ring disposed in the annular grooves.

In one embodiment, the conversion pipe is further provided with a convex step, first through holes for communicating with the conversion holes are formed in two sides of the convex step, a gap is formed between the convex step and the water outlet hole, and the outer diameter of the nozzle is increased from one end of the universal pipe to one end of the water outlet hole and then decreased.

In one embodiment, the pump assembly comprises a diaphragm pump and a motor, the power supply assembly comprises a power supply, a micro switch and a slide switch, the motor, the micro switch and the slide switch are respectively electrically connected with the power supply, and the slide switch controls the diaphragm pump and the micro switch to be turned on or off.

In one embodiment, the casing includes epitheca and inferior valve, the casing upper end is provided with the second through-hole that is used for universal pipe to pass, epitheca and inferior valve are provided with the stopper respectively, inwards sunken formation is used for the spacing recess that universal pipe placed in the middle of the stopper, spacing recess with the second through-hole is located same water flat line.

In one embodiment, the liquid inlet assembly further comprises a gravity water-drawing ball connected to the end of the water inlet pipe and a threaded cap movably connected to the water inlet pipe.

The beneficial effects of the utility model reside in that, the utility model discloses a hand-held type electric nebulizer, the shower nozzle subassembly utilizes the universal pipe to be connected with the host computer, and the transform of angle just can not lead to damaging the atomizer because of folding when can be convenient for use, and the feed liquor subassembly utilizes inlet tube and stock solution bottle can be dismantled to be connected and realize and stock solution bottle separation to reduce during operation manpower consumption.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic view of the overall structure of the hand-held electric sprayer of the present invention;

FIG. 2 is a schematic view of the hand-held electric sprayer of the present invention showing the exploded structure thereof without a part of the liquid inlet assembly;

fig. 3 is an exploded view of the nozzle of the present invention.

The structural numbers in the figure are:

a host 1; a housing 11; a connecting pin 111; a fixed column 112; a second through hole 113; a stopper 114; a limit groove 115; the diaphragm pump 121; a motor 122; a power supply component 13; a power supply 131; a micro switch 132; a slide switch 133; a spray head assembly 2; a nozzle 21; a sleeve 211; external threads 2111; a transition tube 212; an annular groove 2121; a convex step 2122; a first through hole 2123; a mouth 213; water outlet 2131; a seal ring 214; a gimbal tube 22; a liquid inlet component 3; a water inlet pipe 31; a gravity water-drawing ball 32; a screw cap 33.

Detailed Description

Now in order to make the technical problem, technical scheme and beneficial effect that the utility model solved more clearly understand, it is right to combine the attached drawing and embodiment below the utility model discloses further detailed description proceeds. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

With reference to fig. 1-3, a handheld electric sprayer for spraying liquid for household use is provided, which comprises a main unit 1, a nozzle assembly 2 and a liquid inlet assembly 3, wherein the main unit 1 comprises a housing 11, the housing 11 comprises an upper shell and a lower shell forming a containing cavity, and a pump assembly and a power supply 131 assembly 13 are arranged in the containing cavity; the spray head assembly 2 comprises a spray nozzle 21 and a universal pipe 22, and two ends of the universal pipe 22 are respectively connected to the pump assembly and the spray nozzle 21; feed liquor module 3 is used for can dismantling with the stock solution bottle and is connected, and feed liquor module 3 includes inlet tube 31, inlet tube 31 connect in the other end of pump package spare. Shower nozzle subassembly 2 utilizes universal pipe 22 to be connected with host computer 1, the transform of angle when can being convenient for use, and universal pipe 22 has elasticity can not lead to damaging the atomizer because of folding, and feed liquor subassembly 3 utilizes inlet tube 31 can be dismantled with the stock solution bottle and be connected the realization and the stock solution bottle separation, need not to carry the stock solution bottle constantly to reduce the during operation manpower consumption.

Specifically, the universal tube 22 includes a first inner tube, a flexible metal tube and a flexible rubber tube, wherein the flexible metal tube is disposed between the inner tube and the flexible rubber tube. Wherein, first inner tube can be rubber tube or silicone tube, has corrosion-resistant effect, can not corrode universal pipe 22 when being used for spraying the chemical agent of the high pH valve of high corrosivity, flexible metal pipe, have crooked indeformable function, can guarantee that shower nozzle subassembly 2 is suitable for the scene extensively. In order to further ensure that the outer surface of the flexible metal pipe cannot be corroded, the outer surface of the flexible metal pipe is sleeved with a soft rubber pipe, so that the effects of protection, corrosion prevention and attractiveness are achieved.

The nozzle 21 includes a sleeve 211, a transition pipe 212, and a mouth 213. The outer diameter of the sleeve 211 is larger than that of the universal tube 22, so that the universal tube can be held by a user, and the outer surface of the sleeve can be provided with anti-slip bulges or lines. One end of the sleeve 211 is provided with an internal thread, which is in interference fit with the thread of the universal pipe 22 to realize tight fit connection with the universal pipe 22, and the other end of the sleeve 211 is provided with an external thread 2111. The conversion pipe 212 is provided with a conversion hole, the inner diameter of the conversion hole is smaller than the inner diameter of the sleeve 211, the conversion hole is linearly communicated with the sleeve 211 and the inside of the universal pipe 22, one side of the mouth portion 213, which is close to the universal pipe 22, is provided with an internal thread corresponding to the external thread 2111, the other side of the mouth portion 213 is provided with a water outlet hole 2131, the aperture of the water outlet hole 2131 is smaller than the inner diameter of the conversion hole, and the conversion pipe 212 is sleeved on the sleeve 211 and is tightly connected with the sleeve 211 through the thread of the mouth portion 213. The nozzle 21 is switched by the switching tube 212 and then is ejected out through the water outlet 2131, and the pressure ejected by the nozzle 21 can be increased by reducing the aperture, so that the spraying effect is ensured.

Further, in one embodiment, the transfer tube 212 is provided with a ring-shaped groove 2121 at an upper end thereof, and the nozzle 21 further comprises a sealing ring 214 disposed on the ring-shaped groove 2121. The sealing ring 214 can be used to realize the sealing connection between the nozzle part 213 and the sleeve 211, thereby preventing liquid leakage.

In one embodiment, a convex step 2122 is further disposed at the upper end of the conversion pipe 212, first through holes 2123 for communicating with the conversion holes are disposed at two sides of the convex step 2122, a gap is disposed between the convex step 2122 and the water outlet hole 2131, and after passing through the conversion holes, the liquid flows into the gap from the first through holes 2123 and is sprayed out through the water outlet hole 2131. The provision of the protruding step 2122 prevents the water outlet hole 2131 from directly communicating with the switching hole, thereby further preventing the liquid leakage of the sprayer when the sprayer is just started or finished, and preventing the sprayer assembly 2 from being easily blocked.

The utility model discloses a nozzle 21, its external diameter reduces from the earlier increase of universal pipe 22 one end to apopore 2131 one end, is convenient for handheld.

Casing 11 upper end is provided with the second through-hole 113 that is used for universal pipe 22 to pass, epitheca and inferior valve are provided with stopper 114 respectively, stopper 114 middle part is inside sunken to form the spacing recess 115 that is used for universal pipe 22 to place, spacing recess 115 with second through-hole 113 is located same water flat line, and universal pipe 22 is arranged in spacing recess 115 and fixed through the lock of epitheca and inferior valve, and setting up of stopper 114 makes universal pipe 22 indirect and casing 11's inner wall contact, reduces its wearing and tearing risk. The horizontal position of the limiting groove 115 and the second through hole 113 can facilitate ensuring that the universal pipe 22 is positioned in the accommodating cavity part and is not folded.

The utility model discloses in, the inferior valve distributes and has a plurality of fixed columns 112, the epitheca correspond the position be provided with fixed column 112 complex connecting pin 111 utilizes connecting pin 111 and fixed column 112's cooperation to carry out the fixed of epitheca and inferior valve, is convenient for its installation.

Further, the utility model discloses a pump assembly sets up in holding the intracavity, and it includes diaphragm pump 121 and motor 122, diaphragm pump 121's concrete structure is current design to there is not the improvement, and it is not repeated here, and motor 122 is used for driving diaphragm pump 121 and moves. The power source 131 assembly 13 includes a power source 131, a micro switch 132 and a slide switch 133, the motor 122, the micro switch 132 and the slide switch 133 are electrically connected to the power source 131, respectively, and the slide switch 133 controls the diaphragm pump 121 and the micro switch 132 to be turned on or off. A slide switch 133 is connected to the motor 122 via a microswitch 132 to control the activation and deactivation of the motor 122 and thus the pumping of the pump assembly.

The liquid inlet component 3 comprises a water inlet pipe 31 and further comprises a gravity water sucking ball 32 and a threaded cover 33, wherein the gravity water sucking ball 32 is connected to the tail end of the water inlet pipe 31, the threaded cover 33 is movably connected to the water inlet pipe 31 and locked with the liquid storage bottle in a threaded mode, the gravity water sucking ball 32 is arranged to be beneficial to the water inlet pipe 31 to be arranged at the bottom of the liquid storage bottle, and liquid pumping is conducted by the pump component conveniently.

The working principle is as follows:

the gravity water-drawing ball 32 is arranged in the liquid storage bottle, can be further locked with the liquid storage bottle by using the threaded cover 33, pushes the sliding switch 133, and the pump assembly is started to pump the liquid in the liquid storage bottle, and the liquid is sprayed out from the universal pipe 22 through the nozzle 21 after passing through the diaphragm pump 121.

The foregoing is a description of one or more embodiments provided in connection with the detailed description and is not intended to limit the invention to the precise form disclosed. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions or replacement under the design prerequisite, all should regard as the utility model discloses a protection scope.

Claims

1. A hand-held electric sprayer, comprising:

2. The hand-held electric sprayer according to claim 1, wherein the universal tube comprises a first inner tube, a flexible metal tube and a soft rubber tube, and the flexible metal tube is disposed between the inner tube and the soft rubber tube.

3. The hand-held, electric sprayer according to claim 2, wherein the inner tube is a rubber tube or a silicone tube.

4. The hand-held electric sprayer according to claim 1, wherein the nozzle comprises a sleeve, a switching tube and a nozzle, one end of the sleeve is provided with an external thread, the other end of the sleeve is provided with an internal thread and is in interference fit with the thread of the universal tube, the switching tube is provided with a switching hole, the inner diameter of the switching hole is smaller than that of the sleeve, the nozzle is correspondingly provided with an internal thread, the front end of the nozzle is provided with a water outlet hole, the diameter of the water outlet hole is smaller than that of the switching hole, and the switching tube is sleeved on the sleeve and is tightly connected with the sleeve through the thread of the nozzle.

5. The hand-held electric sprayer according to claim 4, wherein the transition tube is provided with a ring of annular grooves, and the nozzle further comprises a sealing ring disposed in the annular grooves.

6. The hand-held electric sprayer according to claim 5, wherein the switching tube further comprises a convex step, first through holes for communicating with the switching hole are formed on two sides of the convex step, a gap is formed between the convex step and the water outlet hole, and the outer diameter of the nozzle is increased from one end of the universal tube to one end of the water outlet hole and then decreased.

7. The hand-held electric sprayer according to any one of claims 1-6, wherein the pump assembly comprises a diaphragm pump and a motor, the power assembly comprises a power source, a micro switch and a slide switch, the motor, the micro switch and the slide switch are respectively electrically connected to the power source, and the slide switch controls the diaphragm pump and the micro switch to be turned on or off.

8. The hand-held electric sprayer according to claim 1, wherein the housing comprises an upper shell and a lower shell, a second through hole for the universal pipe to pass through is arranged at the upper end of the housing, the upper shell and the lower shell are respectively provided with a limiting block, the middle of the limiting block is recessed inwards to form a limiting groove for the universal pipe to be placed, and the limiting groove and the second through hole are located on the same horizontal line.

9. The hand-held electric sprayer according to any one of claims 1 to 6, wherein the liquid inlet assembly further comprises a gravity-assisted water suction ball connected to the end of the water inlet pipe and a screw cap movably connected to the water inlet pipe.