CN220610885U

CN220610885U - Electric sprayer

Info

Publication number: CN220610885U
Application number: CN202322223402.5U
Authority: CN
Inventors: 曹义方
Original assignee: Fenghua Weilder Electric Appliance Co Ltd
Current assignee: Fenghua Weilder Electric Appliance Co Ltd
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-03-19
Anticipated expiration: 2033-08-16

Abstract

The utility model provides an electric sprayer, and belongs to the technical field of sprayers. It has solved the simple technical problem of how to make electric nebulizer ventilation structure more. The utility model provides an electric atomizer, be equipped with the gas outlet on the pump module, be equipped with the connecting piece on the casing, casing and staving pass through connecting piece fixed connection, electric atomizer still includes the drain pipe of output liquid, the drain pipe is located the staving, still be equipped with spacing hole on the connecting piece and with the air vent of gas outlet intercommunication, be equipped with the movable rod in the spacing hole, one side that the movable rod towards the staving is equipped with the end cap that is used for shutoff air vent, the movable rod removes in spacing hole, the end cap makes the air vent isolated with the staving. In this scheme through the atmospheric pressure that makes in the staving to ventilate is greater than external atmospheric pressure all the time in to the staving for the end cap receives the extrusion of gas in the staving and can shutoff air vent, need not to set up structures such as specific disk seat and spring, makes electric atomizer's ventilation structure simpler through this scheme.

Description

Electric sprayer

Technical Field

The utility model relates to the technical field of sprayers, in particular to an electric sprayer.

Background

The sprayer is a common spraying device, can be used for air humidification and plant irrigation, and can also be used for spraying disinfection liquid and pesticides, and the sprayer is widely applied to places such as families, farms, units, schools and the like due to convenient use and proper volume. The existing sprayer is generally mainly composed of a barrel body, an air pump assembly and a water spraying assembly, wherein a handle cover is connected to the barrel body and plays a role in sealing the barrel body, and a handle on the handle cover can be gripped by a person to lift and move the sprayer.

Chinese patent, patent application number: 2017107015711, patent name: the utility model provides a portable electronic atomizer, it is provided with the pump seat to disclose in the liquid bucket top, open the bottom of pump seat has the inlet port, set up the admission valve in the inlet port, the specific structure of admission valve is not disclosed in the above-mentioned patent, admission valve among the prior art often adopts the structure of check valve, specifically when needs open the admission valve, resistance that the gas overcome the spring opens the admission valve for gas gets into from the inlet port, when liquid bucket no longer need admit air, spring resumes deformation and closes the admission valve, can refer to chinese patent, patent application number: 2019222355451 one-way valve structure.

In the prior art, the check valve is complex in structure, and needs to be provided with a spring, a valve seat, a guide rod and other structures, and after long-time use, the spring has a failure problem, so that the use of the electric sprayer is affected.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an electric sprayer, which aims to solve the technical problems that: how to make the ventilation structure of the electric sprayer simpler.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an electric atomizer, electric atomizer include staving and the casing of setting in the staving top, the casing in be equipped with and be used for making staving internal liquid spun pump unit spare, pump unit spare on be equipped with the gas outlet, the casing on be equipped with the connecting piece, casing and staving pass through connecting piece fixed connection, electric atomizer still include the drain pipe of output liquid, the drain pipe be located the staving, its characterized in that, the connecting piece on still be equipped with spacing hole and the air vent with the gas outlet intercommunication, spacing hole in be equipped with the movable rod, one side of movable rod towards the staving be equipped with the end cap that is used for shutoff air vent, the movable rod remove in spacing hole, the end cap make air vent and staving isolated.

The principle of the sealing structure of the electric sprayer is as follows: when the electric sprayer is used, air is firstly filled into the barrel body, so that the air pressure in the barrel body is larger than the external air pressure, at the moment, the plug is propped against the air pressure of the air in the barrel body to isolate the air hole from the barrel body, the switch is opened, liquid in the barrel body is extruded to be discharged out of the barrel body from the liquid outlet pipe, an air pressure detection device for detecting the air pressure in the barrel body is further arranged in the electric sprayer, when the air pressure of the barrel body is lower than a set value, the pump assembly works, air is filled into the barrel body, at the moment, the plug is extruded to move downwards, so that the air hole is communicated with the barrel body, and the air pressure in the barrel body meets the working requirement.

In the electric sprayer, the limiting holes and the plurality of vent holes are positioned at the bottom of the connecting piece, and the vent holes are annularly distributed around the limiting holes. The vent holes are annularly distributed around the limiting holes, so that when the barrel body is inflated, the plugs are evenly distributed by impact force, deflection of the plugs is reduced, and friction between the moving rod and the limiting holes is reduced.

In the electric sprayer, a channel is arranged between the limiting hole and the vent hole, and the limiting hole is communicated with the vent hole through the channel.

In the electric sprayer, the connecting piece is provided with the accommodating cavity, the cavity wall close to the accommodating cavity is provided with the vent pipe communicated with the vent hole, the vent pipe is positioned above the limiting hole and the vent hole, the upper part of the connecting piece is fixedly connected with the air pipe joint communicated with the vent pipe, and the air pipe joint is communicated with the air outlet.

In the electric sprayer, a limiting ring for preventing the moving rod from falling into the barrel body is arranged on one side of the moving rod, facing the shell, and the limiting position is located in the vent pipe.

In the electric sprayer, a limiting plate is arranged below the connecting piece, and the plug can be positioned in the limiting plate.

In the electric sprayer, the connecting piece is provided with threads, the connecting piece is connected with the barrel body through the threads, the connecting piece is provided with the mounting groove, the mounting groove is provided with the sealing ring, the sealing ring is propped against the barrel body, the threads are provided with notches, and the notches are located below the sealing ring. The breach is located the below of sealing washer, and when atmospheric pressure was greater than atmospheric pressure in the staving, has great extrusion effect to the sealing washer for the leakproofness between staving and the connecting piece is better.

In the electric sprayer, the connecting piece on still be equipped with the cardboard, adjacent the cardboard between form the draw-in groove, the casing on be equipped with the joint board, adjacent the joint board between form the joint groove, casing and connecting piece connect, the cardboard be located the joint inslot, the joint board be located the draw-in groove, the cardboard be located the top of sealing washer.

In the electric sprayer, the connecting piece is further provided with the plug-in blocks, the plug-in blocks are located between the clamping blocks, the shell is provided with the plug-in grooves, and the plug-in blocks are located in the plug-in grooves.

In the electric sprayer, the liquid outlet pipe is connected with the water outlet joint, the water outlet joint is positioned on the barrel body, and the water outlet joint is connected with the spray gun.

In the above electric sprayer, the electric sprayer further comprises a battery pack and a battery mounting part, wherein the battery pack is removably arranged on the battery mounting part and is connected with the pump assembly through a circuit, and the battery mounting part is arranged on the outer side of the shell.

Compared with the prior art, the utility model has the following advantages:

1. this scheme is when electric nebulizer uses, makes the atmospheric pressure in the staving be greater than external atmospheric pressure all the time through ventilating in to the staving for the end cap receives the interior gaseous extrusion of staving and can shutoff air vent, need not to set up structures such as specific disk seat and spring, starts the pump assembly when needs pressurization in the staving, and the end cap can be in the bucket air entrainment, through this scheme the ventilation structure that makes electric nebulizer simpler.

2. In this scheme, casing and connecting piece adopt cardboard, draw-in groove, joint board and the structure in joint groove make the casing and connect between inseparabler.

Drawings

FIG. 1 is a schematic perspective view of an electric atomizer according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the electric atomizer of the present utility model;

FIG. 3 is a schematic cross-sectional view of the electric atomizer of the present utility model;

FIG. 4 is a schematic view of an exploded construction of the electric sprayer of the utility model;

fig. 5 is a schematic perspective view of the housing and connector of the electric sprayer of the utility model.

In the figure, 1, a barrel body; 1a, edge ports; 2. a housing; 2a, a clamping plate; 2b, a clamping groove; 2c, inserting grooves; 3. a connecting piece; 3a, vent holes; 3b, limiting holes; 3c, a channel; 3d, a ventilation pipe; 3e, notch; 3f, mounting plate; 3g, a mounting groove; 3h, clamping plates; 3i, a clamping groove; 3j, a plug block; 3k, limiting plates; 4. a pump assembly; 5. a moving rod; 5a, limiting rings; 5b, plugs; 6. a seal ring; 7. a pressure release valve; 8. a liquid outlet pipe; 9. a water outlet joint; 10. a spray gun; 11. an air pipe joint; 12. a battery pack; 13. and a battery mounting portion.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1 in combination with fig. 2 and fig. 3, an electric sprayer comprises a barrel body 1, a shell 2 is arranged above the barrel body 1, a pressure release valve 7 is arranged above the barrel body 1 and is used for containing liquid, when the barrel body 1 needs to be separated from the shell 2, the pressure release valve 7 can be opened to discharge gas between the barrel body 1, so that the barrel body 1 and the shell 2 can be separated, in the implementation, the pressure release valve 7 is made by adopting the prior art, and can refer to the Chinese patent, and the patent application number: 2019205216867, a relief valve structure. Still be equipped with water outlet connector 9 on staving 1, water outlet connector 9 is connected with spray gun 10, can spray the assigned position with liquid through spray gun 10, still be equipped with the mounting structure of staving 1 on staving 1, mounting structure is including placing the board and being located the cavity of placing of staving 1 below of being connected with water outlet connector 9, and this scheme sets up water outlet connector 9 and spray gun 10 on staving 1, makes things convenient for the fixed of spray gun 10 to and the dismantlement of staving 1 and casing 2. A handle is arranged above the shell 2, the sprayer is held conveniently, a battery pack 12 is further arranged on one side of the shell 2, and the battery pack 12 is used for supplying power to the pump assembly 4 in the shell 2, so that the pump assembly 4 works normally.

The electric sprayer further includes a battery mounting portion, the battery pack 12 is removably placed in the battery mounting portion 13 for electrical connection to the pump assembly 4, and the battery mounting portion 13 is placed outside the housing 2. The battery mount 13 is electrically connected to a circuit board, which is electrically connected to the pump assembly 4, and the housing 2 is integrally injection molded such that the battery pack 12 placed in the battery mount can be electrically connected to the pump assembly 4 to supply power to the pump assembly 4.

As shown in fig. 2 in combination with fig. 3 and 4, a liquid outlet pipe 8 is provided in the tub 1, and the liquid outlet pipe 8 is connected with a water outlet joint 9 for spraying the liquid of the tub 1 out of the tub through the liquid outlet pipe 8 and a spray gun 10. The barrel body 1 and the shell body 2 are connected through the connecting piece 3, a limiting hole 3b and a vent hole 3a communicated with the air outlet are formed in the bottom of the connecting piece 3, a moving rod 5 is arranged in the limiting hole 3b, a plug 5b for blocking the vent hole 3a is arranged on one side of the moving rod 5, which faces the barrel body 1, the moving rod 5 moves in the limiting hole 3b, the vent hole 3a is isolated from the barrel body 1 by the plug 5b, a limiting ring 5a is arranged on one side, which faces the shell body 2, of the moving rod 5, and the limiting ring 5a is mainly used for preventing the plug 5b from falling into the barrel body 1. The vent holes 3a are annularly distributed around the limiting holes 3b, a channel 3c is arranged between the limiting holes 3b and the vent holes 3a, and the limiting holes 3b and the vent holes 3a are communicated through the channel 3 c. Spacing hole 3b and air vent 3a are linked together, when ventilating in towards staving 1, in the passageway 3c entered staving 1, increase ventilation flow to gas can act on the lateral wall of movable rod 5, make the removal of movable rod 5 more steady, be equipped with protruding limiting plate 3k in the below of connecting piece, end cap 5b can be located limiting plate 3 k.

Still be provided with pump unit 4 in casing 2, pump unit 4 is arranged in letting in external gas in staving 1, is equipped with the gas outlet on the pump unit 4, is equipped with on connecting piece 3 and holds the chamber, and pump unit 4 is located the top that holds the chamber. The cavity wall close to the accommodating cavity is provided with a vent pipe 3d communicated with the vent hole 3a, the vent pipe 3d is vertically arranged on the connecting piece 3, the vent pipe 3d is positioned above the limiting hole 3b and the vent hole 3a, and the limiting ring 5a is positioned in the vent pipe 3 d. The upper part of the connecting piece 3 is fixedly connected with an air pipe joint 11 communicated with the air pipe 3d through a screw, and the air pipe 3d joint 11 is communicated with the air outlet through a hose.

All be equipped with the screw thread on connecting piece 3 and staving 1, connecting piece 3 passes through the screw thread and is connected with staving 1, be equipped with two convex mounting panel 3f on connecting piece 3, there is the difference at two mounting panel 3f shapes, the diameter of the mounting panel 3f of top is greater than the diameter of mounting panel 3f of below, form mounting groove 3g between mounting panel 3f, be equipped with sealing washer 6 on the mounting groove 3g, sealing washer 6 supports and leans on the edge 1a of staving 1, be equipped with breach 3e on the screw thread, this breach 3e is the screw thread with connecting piece 3 along vertical direction cutting formation, breach 3e is located the below of sealing washer 6.

The casing 2 and the connecting piece 3 are connected mainly through the mode of joint, and the casing 2 includes two parts of front and back detachable, is equipped with cardboard 3h on the connecting piece 3, and cardboard 3h has been cut a part along vertical direction, and its cutting direction is the same with the screw thread cutting direction on the connecting piece 3. A clamping groove 3i is formed between the adjacent clamping plates 3h, a clamping plate 2a is arranged on the shell 2, a clamping groove 2b is formed between the adjacent clamping plates 2a, when the shell 2 and the connecting piece 3 are installed, the front and rear two-part shells 2 are respectively clamped onto the connecting piece 3, the clamping plates 3h are positioned in the clamping grooves 2b, the clamping plates 2a are positioned in the clamping grooves 3i, after the front and rear two-part shells 2 are installed in place, the front and rear two-part shells 2 are fixed by screws, and at the moment, the clamping plates 3h are positioned above the sealing rings 6. The connecting piece 3 is also provided with a plug-in block 3j, the plug-in block 3j is positioned between the clamping blocks, the shell 2 is provided with a plug-in groove 2c, and the plug-in block 3j is positioned in the plug-in groove 2 c.

The working principle of the scheme is as follows: when the electric sprayer is used, air is firstly filled into the barrel body 1, so that the air pressure in the barrel body 1 is larger than the external air pressure, at the moment, the plug 5b is propped by the air pressure of the air in the barrel to isolate the air hole 3a from the barrel body 1, the switch is turned on, liquid in the barrel is extruded to be discharged out of the barrel body 1 from the liquid outlet pipe 8, an air pressure detection device for detecting the air pressure in the barrel body 1 is further arranged in the electric sprayer, when the air pressure of the barrel body 1 is lower than a set value, the pump assembly 4 works, air is filled into the barrel body 1, at the moment, the plug 5b is extruded to move downwards, so that the air hole 3a is communicated with the barrel body 1, and the air pressure in the barrel body 1 meets the working requirement. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although 1, tub is used more herein; 1a, edge ports; 2. a housing; 3. a connecting piece; 3a, vent holes; 3b, limiting holes; 3c, a channel; 3d, a ventilation pipe; 3e, notch; 3f, mounting plate; 3g, a mounting groove; 3h, clamping plates; 3i, a clamping groove; 3j, a plug block; 4. a pump assembly; 5. a moving rod; 5a, limiting rings; 5b, plugs; 6. a seal ring; 7. a pressure release valve; 8. a liquid outlet pipe; 9. a water outlet joint; 10. a spray gun; 11. the use of other terminology is not precluded by the terminology of the air tube connector. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. Electric atomizer, electric atomizer include staving (1) and set up casing (2) in staving (1) top, casing (2) in be equipped with and be used for making staving (1) internal liquid spun pump assembly (4), pump assembly (4) on be equipped with the gas outlet, casing (2) on be equipped with connecting piece (3), casing (2) and staving (1) pass through connecting piece (3) fixed connection, electric atomizer still include drain pipe (8) of output liquid, drain pipe (8) be located staving (1), its characterized in that, connecting piece (3) on still be equipped with spacing hole (3 b) and vent (3 a) with the gas outlet intercommunication, spacing hole (3 b) in be equipped with movable rod (5), one side of movable rod (5) orientation staving (1) be equipped with plug (5 b) that are used for shutoff vent (3 a), movable rod (5) in spacing hole (3 b) make vent (1) and plug (5 a).

2. An electric sprayer according to claim 1, characterized in that the limiting hole (3 b) and the plurality of ventilation holes (3 a) are located at the bottom of the connecting piece (3), and the ventilation holes (3 a) are distributed around the limiting hole (3 b) in a ring shape.

3. An electric sprayer according to claim 1 or 2, characterized in that a channel (3 c) is provided between the limiting aperture (3 b) and the vent (3 a), the limiting aperture (3 b) and the vent (3 a) being in communication via the channel (3 c).

4. An electric sprayer according to claim 3, characterized in that the connecting piece (3) is provided with a containing cavity, a vent pipe (3 d) communicated with the vent hole (3 a) is arranged on the cavity wall close to the containing cavity, the vent pipe (3 d) is positioned above the limiting hole (3 b) and the vent hole (3 a), a tracheal joint (11) communicated with the vent pipe (3 d) is fixedly connected above the connecting piece (3), and the tracheal joint (3 d) is communicated with the air outlet.

5. An electric sprayer according to claim 4, characterized in that the side of the moving rod (5) facing the housing (2) is provided with a stop ring (5 a) for preventing the moving rod (5) from falling into the barrel (1), said stop ring (5 a) being located in the vent pipe (3 d).

6. An electric sprayer according to claim 5, characterized in that the lower part of the connecting piece is provided with a limiting plate (3 k), and the plug (5 b) can be positioned in the limiting plate (3 k).

7. The electric sprayer according to claim 6, wherein the connecting piece (3) is provided with threads, the connecting piece (3) is connected with the barrel body (1) through the threads, the connecting piece (3) is provided with a mounting groove (3 g), the mounting groove (3 g) is provided with a sealing ring (6), the sealing ring (6) is abutted against the barrel body (1), the threads are provided with notches (3 e), and the notches (3 e) are located below the sealing ring (6).

8. The electric sprayer according to claim 7, wherein the connecting piece (3) is further provided with clamping plates (3 h), clamping grooves (3 i) are formed between adjacent clamping plates (3 h), the shell (2) is provided with clamping plates, clamping grooves are formed between adjacent clamping plates, when the shell (2) is connected with the connecting piece (3), the clamping plates (3 h) are located in the clamping grooves, the clamping plates are located in the clamping grooves (3 i), and the clamping plates (3 h) are located above the sealing rings (6).

9. The electric sprayer according to claim 8, wherein the connecting piece (3) is further provided with a plug-in block (3 j), the plug-in block (3 j) is located between the clamping blocks, the shell (2) is provided with a plug-in groove, and the plug-in block (3 j) is located in the plug-in groove.

10. An electric sprayer according to claim 1, characterized in that the outlet pipe (8) is connected with an outlet connector (9), the outlet connector (9) is located on the barrel body (1), and the outlet connector (9) is connected with a spray gun (10).

11. An electric sprayer according to claim 1, further comprising a battery pack (12) and a battery mounting portion (13), said battery pack (12) being removably mounted to said battery mounting portion (13) for electrical connection to said pump assembly (4), said battery mounting portion (13) being disposed outside said housing (2).