CN217747569U

CN217747569U - Spraying device

Info

Publication number: CN217747569U
Application number: CN202221547496.0U
Authority: CN
Inventors: 龚太金; 何仁智
Original assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Current assignee: Shanghai Yili Electric Co ltd; Zhejiang Yili Machinery and Electric Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-11-08
Anticipated expiration: 2032-06-20

Abstract

The utility model provides a spraying device, the electric kettle comprises a kettle body, kettle head and trigger subassembly, still include atomizing device, conveyor, energy supply device and switching device, atomizing device locates in the kettle body and is used for atomizing liquid, overhead nozzle and the first well kenozooecium of being equipped with of kettle, well kenozooecium and nozzle and kettle body intercommunication in the first well kenozooecium, conveyor sets up in first well kenozooecium, it is used for being taken out by atomizing liquid from the kettle body and is sent to the spraying device outside through the nozzle, atomizing device, conveyor, form electric loop between switching device and the energy supply device, trigger subassembly can control whether switching device is closed, switching device is used for controlling whether atomizing device and conveyor work. The utility model has the advantages of compact structure can alleviate operator's operating strength when needing to spray in succession, easily sets up and sprays the flow greatly and easily adjusts and spray the flow to and the atomizing granule's that produces homogeneity is good.

Description

Spraying device

Technical Field

The utility model particularly relates to a spraying device.

Background

As shown in fig. 1, the spraying device in the related art is also called a spraying pot, and mostly comprises a one-way valve glass bead a, a water dividing head spring B, a water dividing head glass bead C, a water outlet channel D, a three-way passage E, a piston-like member F, a trigger assembly (not shown), a nozzle (not shown) and a pot body (not shown), wherein the piston-like member F is arranged in the middle branch of the three-way passage E, and can perform piston movement in the branch under the driving of the trigger assembly to change the air pressure in each branch of the three-way passage E; the other two branches in the three-way path E are respectively communicated with the nozzle and the kettle body, the end part of the branch communicated with the nozzle is internally provided with a water diversion head glass bead C in a blocking way, the end part of the branch communicated with the kettle body is internally provided with a one-way valve glass bead A in a blocking way, and the branch has the minimum diameter at the matching part with the one-way valve glass bead A.

Specifically, the water dividing head glass bead C, the water outlet channel D and the water dividing head spring B are all located in the nozzle, the water outlet channel D is in a U-shaped shape with an opening facing the outside of the nozzle, the water dividing head glass bead C is blocked in the middle of the closed end of the water outlet channel D and in a corresponding branch of the three-way road E when the sprinkling can does not spray outwards, the water dividing head spring B is located in the middle of the U-shaped water outlet channel D, one end of the water dividing head spring B is fixed in the nozzle, and the other end of the water dividing head spring B is connected with the water dividing head glass bead C. Based on this, after the three-way passage E is filled with the contents (such as liquid) in the kettle body and an operator presses the trigger assembly, the piston-like component F is driven by the trigger assembly to move towards the junction area of the three branches in the three-way passage E, the water dividing head glass bead C is pressed and compresses the water dividing head spring B, and simultaneously the water dividing head glass bead C at least partially exits from the water outlet passage D (namely is not blocked in the water outlet passage D), so that the contents in the kettle body can be sprayed to the outside through the nozzle; when an operator loosens the trigger assembly, the piston-like piece F is driven by the trigger assembly and moves reversely to change the air pressure in the turnout E, at the moment, the water dividing head glass bead C is reset under the restoring force of the water dividing head spring B, the one-way valve glass bead A is sucked under the action of pressure, and a branch E of the turnout E where the one-way valve glass bead A is positioned is changed into a smooth state, so that the contents of the sprinkling can be sucked into the turnout E to wait for next water spraying operation; subsequently, the glass beads a of the check valve will fall back under the action of gravity, re-blocking the corresponding branch of the turnout E.

The disadvantages of this arrangement described above are:

1. when the continuous spraying of the contents in the kettle body is desired, the trigger assembly needs to be manually pressed and released continuously and circularly, the manual operation intensity is high, and a good continuous spraying effect cannot be achieved;

2. the flow rate of the spray is generally small and the degree of regulation is limited;

3. the uniformity of the resulting atomized particles is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spraying device.

The utility model provides an atomizer includes the kettle body, kettle head and trigger subassembly, still includes atomizing device, conveyor, energy supply device and switching device, atomizing device locates in the kettle body and be used for atomizing liquid, overhead nozzle and the first well kenozooecium of being equipped with of kettle, first well kenozooecium with the nozzle with kettle body intercommunication, conveyor sets up in the first well kenozooecium, it is used for following by atomizing liquid take out in the kettle body and warp the nozzle is sent to outside the atomizer, atomizing device conveyor switching device with form electric loop between the energy supply device, trigger subassembly can be controlled whether switching device is closed, switching device is used for control atomizing device with whether conveyor works.

Optionally, a second hollow portion communicated with the first hollow portion is further disposed on the kettle head, the first hollow portion is located between the nozzle and the second hollow portion, the switch device and the energy supply device are disposed in the second hollow portion, and the trigger assembly is disposed on the second hollow portion in a penetrating manner and can move in and out of the second hollow portion to apply force to the switch device so as to control the switch device.

Optionally, a sliding groove is formed in the second hollow portion, a part of the trigger assembly extends into the second hollow portion, a part of the trigger assembly is located outside the second hollow portion, the part of the trigger assembly located outside the second hollow portion is slidably connected with the sliding groove, a protruding portion extending to the switch device is arranged on the part of the trigger assembly extending into the second hollow portion, the protruding portion can be driven by the trigger assembly to apply force to the switch device and control the switch device, and when the electric circuit is in an open circuit state, a gap is formed between the protruding portion and the switch device.

Optionally, an elastic member is disposed on a portion of the trigger assembly extending into the second hollow portion, one end of the elastic member is fixedly connected with the trigger assembly, and the other end of the elastic member is fixed in the second hollow portion.

Optionally, the switching device is a self-locking switch or a microswitch.

Optionally, the energy supply device is a rechargeable battery, a control panel is further arranged in the second hollow portion, the control panel is used for controlling charge and discharge parameters of the battery, a charging interface is arranged on the control panel, a charging channel communicated with the charging interface and the outside of the spraying device is arranged on the second hollow portion, an input end of the control panel is electrically connected with the conveying device and the atomizing device, and the control panel is connected with the switching device and the energy supply device in series.

Optionally, an adjusting knob and a potentiometer are further arranged on the kettle head, the adjusting knob is arranged outside the potentiometer and has a movable contact with the potentiometer, the potentiometer is connected in series with the conveying device in the electric circuit, and when the adjusting knob rotates, the resistance of the potentiometer in the electric circuit can be adjusted to cause a corresponding voltage division effect on the conveying device, so that the flow rate of the atomized liquid conveyed by the conveying device is influenced.

Optionally, the nozzle is detachably connected with the first hollow part in a threaded manner, and the kettle head is detachably connected with the kettle body in a threaded manner.

Optionally, the conveying device is an air draft fan, and the air draft fan is arranged at the end part of the first hollow part close to the nozzle.

Optionally, the kettle head is in an L shape with an opening facing the kettle body, and the second hollow portion is in an L shape with an opening facing the kettle body.

To sum up, through at the internal atomizing device that sets up of kettle to set up such as the diversion head spring in replacing the correlation technique with conveyor, diversion head glass pearl and check valve glass pearl, the utility model has the advantages of compact structure can alleviate operator's operating strength when needing to spray in succession, easily sets up and sprays flow and easily adjusts the flow of spraying greatly, and the homogeneity of the atomized particles that produce is good.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically illustrated below, and the detailed description is given in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a partial structural schematic view of a related art spray device.

Fig. 2 is a schematic structural diagram of a spraying device in an embodiment of the present invention.

Fig. 3 is a schematic view of a part of the structure of the spraying device in the embodiment of the present invention.

Fig. 4 is a schematic diagram of an electrical circuit (including a control board) in a spray device according to a possible embodiment of the present invention.

Fig. 5 is a schematic diagram of an electrical circuit (without a control board) in a spray device according to a possible embodiment of the present invention.

Description of the reference numerals

The water-saving valve comprises A-one-way valve glass beads, B-water dividing head springs, C-water dividing head glass beads, D-water outlet channels, E-three-way paths and F-type piston parts;

1-a kettle body, 2-a kettle head, 21-a nozzle, 22-a first hollow part, 23-a second hollow part, 231-a chute, 232-a charging channel, 3-a trigger component, 31-an elastic part, 32-a protruding part, 4-an atomizing device, 5-a conveying device, 6-an energy supply device, 7-a waterproof cable, 8-a control board, 81-a charging interface, 9-an adjusting knob, 10-a potentiometer and 11-a switch device.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The terms "first," "second," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

As shown in fig. 2 and fig. 3, the spraying device provided by the present embodiment comprises a pot body 1 located at the lower part thereof, a pot head 2 located at the upper part thereof, and a trigger assembly 3 arranged between the pot heads 2, wherein the pot body 1 is filled with liquid contents and the bottom wall thereof is fixedly provided with an atomizing device 4, and the atomizing device 4 is used for atomizing the liquid contents in the pot body 1; the kettle head 2 is approximately L-shaped and is detachably connected with the kettle body 1 in a threaded connection mode; a nozzle 21 is arranged at the left part of the kettle head 2, a first hollow part 22 is arranged at the middle part of the kettle body 1, a second hollow part 23 is arranged at the right part of the kettle body, the first hollow part 22 is positioned right above the kettle body 1 and is communicated with the nozzle 21, the second hollow part 23 and the kettle body 1, the nozzle 21 is covered at the left end of the first hollow part 22 in a threaded connection mode and is detachably connected with the first hollow part 22, a conveying device 5 is fixed at the end part of the first hollow part 22 close to the nozzle 21, and the conveying device 5 can drive liquid contents atomized by the atomizing device 4 to move upwards from the kettle body 1 into the kettle head 2 and spray out of the atomizing device through the nozzle 21; correspondingly, a power supply device 6 for supplying power to the conveying device 5 and the atomizing device 4 is fixed in the second hollow portion 23, the trigger assembly 3 is slidably connected with the second hollow portion 23, and whether the power supply device 6 supplies power to the conveying device 5 and the atomizing device 4 is controlled. On this basis, when the atomizer 4 and the conveyor 5 are operated, the atomizer can continuously spray the contents in the kettle body 1 to the outside thereof. Preferably, the conveying device 5 is a miniature air draft fan, and the air draft fan and the atomizing device 4 are both electrically connected with the energy supply device 6 through a waterproof cable 7. In a possible embodiment, the body 1 and the nozzle 21 can be both of the body and nozzle designs of the commercially available watering cans, in which case the water dividing head spring and the water dividing head glass bead inside the nozzle should be removed.

Specifically, a circuit formed by the conveying device 5, the atomizing device 4 and the energy supply device 6 is provided with a switch device 11 for controlling the open/close circuit of the circuit, and the switch device 11 is a microswitch fixed in the second hollow portion 23 in the embodiment. In this embodiment, the nozzle 21 and the first hollow portion 22 are both extended along the left and right direction of the figure, the second hollow portion 23 is L-shaped with an opening facing the can body 1, and a sliding slot 231 is provided on a side wall thereof, part of the structure of the trigger assembly 3 is exposed out of the second hollow portion 23, and part of the structure extends into the second hollow portion 23, the part of the trigger assembly 3 exposed out of the second hollow portion 23 is matched with the sliding slot 231 and can slide along the sliding slot 231, an elastic member 31 (for example, a spring) and a protruding portion 32 are provided on the part of the trigger assembly 3 extending into the second hollow portion 23, one end of the elastic member 31 is fixedly connected with the trigger assembly 3, and the other end is fixedly connected with a corresponding fixed seat (not shown in the figure, which may be a flexibly arranged protruding rib) in the second hollow portion 23.

Thus, when the trigger assembly 3 is not pulled, the part of the trigger assembly 3 which is matched with the sliding chute 231 is positioned in the left end of the sliding chute 231, the elastic piece 31 is in an uncompressed state, the protruding part 32 is positioned at the left side of the switch device 11 and is arranged at a distance from the switch device 11, and the switch device 11 is in an off state and breaks a circuit between the conveying device 5, the atomizing device 4 and the energy supply device 6; when an operator pulls the trigger assembly 3 and maintains the state of pulling the trigger assembly 3, the trigger assembly 3 slides rightwards along the sliding groove 231 and compresses the elastic piece 31, the protruding part 32 moves rightwards and applies force to the switch device 11 to switch the switch device 11 to be in a closed state, so that an electric circuit among the conveying device 5, the atomizing device 4 and the energy supply device 6 is in a closed state, the atomizing device 4 works and atomizes the liquid content in the kettle body 1, and the conveying device 5 works and enables the atomized content to be continuously sprayed out of the atomizing device through the nozzle 21; subsequently, when the spraying operation needs to be finished, the operator releases the trigger assembly 3, the trigger assembly 3 is reset under the restoring force of the elastic member 31, the force applied to the switch device 11 by the protruding part 32 is released, the electric circuit among the conveying device 5, the atomizing device 4 and the energy supply device 6 is returned to the short-circuit state again, and the contents in the pot body 1 stop being sent to the outside of the atomizing device.

It should be noted that the specific slidable arrangement of the trigger assembly 3 relative to the bottle cap 2 is flexibly adjustable by those skilled in the art, and on the premise that the trigger assembly 3 is provided with the protruding portion 32 to control whether the switch device 11 is closed or not, any arrangement scheme of the trigger assembly 3 in the related art can be adopted.

Alternatively, the switch device 11 may be a self-locking switch, which is commercially available, instead of a microswitch, so that the delivery device 5 and the atomizing device 4 continue to operate after the trigger assembly 3 is pulled down, even if the operator releases his hand, and then stop operating until the trigger assembly 3 is pulled down again.

Preferably, the energy supply device 6 of the present embodiment is a rechargeable lithium battery, based on this, a control board 8 is further fixed in the second hollow portion 23, a charging interface 81 (see fig. 4) is opened on the right side of the control board 8, correspondingly, a charging channel 232 communicating the control board 8 with the outside of the spraying device is provided on the right side wall of the second hollow portion 23, the input end of the control board 8 is electrically connected with the conveying device 5 and the atomizing device 4, the control board 8 is connected in series with the switch device 11 and the energy supply device 6, and by inputting a preset program in the control board 8, the charging and discharging operating parameters of the energy supply device 6 can be limited, so as to achieve the purpose of protecting the energy supply device 6 during the charging and discharging process (for example, cutting off the external current after detecting that the battery is fully charged). It should be noted that the specific logic of the program set in the control board 8 can be flexibly set by those skilled in the art, and is not described herein again. Alternatively, in some embodiments, the charging interface 81 may be a port of a hard channel extending outward from the control board 8, and in this case, the hard channel is in the shape of a tubular body partially extending into the charging channel 232 as shown in fig. 3.

More preferably, an adjusting knob 9 is further provided above the first hollow portion 22, a potentiometer 10 is fixed inside the adjusting knob 9, the potentiometer 10 is equivalent to a continuously adjustable resistor, and a movable contact (not shown) is provided between the adjusting knob 9 and the potentiometer 10, and when the adjusting knob 9 is rotated, the movable contact can slide on the potentiometer 10 to adjust the resistance value of the potentiometer 10 in the electric circuit. More specifically, the potentiometer 10 is connected in series with the conveying device 5, the conveying device 5 is connected in parallel with the atomizing device 4, the output end of the potentiometer 10 has a certain output voltage, the output voltage has a certain relation with the external voltage of the potentiometer 10 and the rotation stroke of the adjusting knob 9, and can play a role of voltage division in a series circuit between the conveying device 5 and the potentiometer 10, and further play a role of indirectly adjusting the rotating speed of the conveying device 5 and the spraying amount of the spraying device, for example, when the adjusting knob 9 rotates towards a certain direction, the voltage division effect of the potentiometer 10 is gradually reduced along with the increase of the rotation stroke of the adjusting knob 9, the voltage applied to the conveying device 5 is gradually increased, and the rotating speed of the conveying device 5 is about to increase. It should be noted that the technical solution of setting the potentiometer 10 in the circuit to perform the voltage division function belongs to the technical solution that can be flexibly set by those skilled in the art, and detailed description of the detailed principle is not provided herein. In this case, the control board 8 may be provided in the electric circuit as shown in fig. 4, or the control board 8 may not be provided as shown in fig. 5, which is also flexible for those skilled in the art.

Preferably, the atomizing device 4 can be a commercially available atomizer comprising a ceramic atomizing plate, and the oscillation frequency of the atomizer is preferably 1.7MHz or 2.4MHz.

To sum up, through set up atomizing device 4 in the kettle body 1 to replace settings such as dividing head spring, dividing head glass pearl and check valve glass pearl among the correlation technique with conveyor 5, the utility model has the advantages of compact structure can alleviate operator's operating strength when needs spray in succession, easily sets up and sprays the flow greatly and easily adjusts the flow of spraying to and the homogeneity of the atomized particles that produce is good.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A spraying device comprises a kettle body (1), a kettle head (2) and a trigger assembly (3), and is characterized by further comprising an atomizing device (4), a conveying device (5), an energy supply device (6) and a switch device (11), wherein the atomizing device (4) is arranged in the kettle body (1) and used for atomizing liquid, a nozzle (21) and a first hollow portion (22) are arranged on the kettle head (2), the first hollow portion (22) is communicated with the nozzle (21) and the kettle body (1), the conveying device (5) is arranged in the first hollow portion (22) and used for drawing atomized liquid out of the kettle body (1) and sending the atomized liquid to the outside of the spraying device through the nozzle (21), the atomizing device (4), the conveying device (5), the switch device (11) and the energy supply device (6) form an electric loop therebetween, the switch assembly (3) can control the switch device (11) to be closed or not, and the switch device (11) is used for controlling whether the atomizing device (4) and the conveying device (5) work or not.

2. A spraying device according to claim 1, characterized in that the head (2) is further provided with a second hollow portion (23) communicating with the first hollow portion (22), the first hollow portion (22) is located between the nozzle (21) and the second hollow portion (23), the switch device (11) and the energy supply device (6) are arranged in the second hollow portion (23), and the trigger assembly (3) is arranged on the second hollow portion (23) in a penetrating manner and can move in and out of the second hollow portion (23) to apply force to the switch device (11) so as to control the switch device (11).

3. Spraying device according to claim 2, characterized in that a slide slot (231) is provided in the second hollow portion (23), a part of the trigger assembly (3) extends into the second hollow portion (23) and a part of the trigger assembly is located outside the second hollow portion (23), the part of the trigger assembly (3) located outside the second hollow portion (23) is slidably connected to the slide slot (231), a protrusion (32) extending towards the switch device (11) is provided on the part of the trigger assembly (3) extending into the second hollow portion (23), the protrusion (32) can be driven by the trigger assembly (3) to apply force to the switch device (11) and control the switch device (11), and when the electrical circuit is in the open circuit state, there is a gap between the protrusion (32) and the switch device (11).

4. A spraying device according to claim 3, characterized in that the part of the trigger assembly (3) which projects into the second hollow portion (23) is provided with a resilient member (31), one end of the resilient member (31) being fixedly connected to the trigger assembly (3) and the other end being fixed in the second hollow portion (23).

5. Spraying device according to claim 1, characterized in that the switching device (11) is a self-locking switch or a microswitch.

6. The spraying device according to claim 2, wherein the energy supply device (6) is a rechargeable battery, a control board (8) is further disposed in the second hollow portion (23), the control board (8) is used for controlling charging and discharging parameters of the battery, a charging interface (81) is disposed on the control board (8), a charging channel (232) communicating the charging interface (81) with the outside of the spraying device is disposed on the second hollow portion (23), an input end of the control board (8) is electrically connected with the conveying device (5) and the spraying device (4), and the control board (8) is connected with the switch device (11) and the energy supply device (6) in series.

7. A spraying device according to claim 1, characterized in that an adjusting knob (9) and a potentiometer (10) are further arranged on the kettle head (2), the adjusting knob (9) is arranged outside the potentiometer (10) and has a movable contact with the potentiometer (10), the potentiometer (10) is connected with the conveying device (5) in series in the electric circuit, and the adjusting knob (9) can adjust the resistance of the potentiometer (10) in the electric circuit when rotating to cause a corresponding voltage dividing effect on the conveying device (5) so as to influence the flow rate of the atomized liquid conveyed by the conveying device (5).

8. Spraying device according to claim 1, characterised in that said nozzle (21) is removably associated with said first hollow portion (22) by means of a threaded connection, said head (2) being removably associated with said body (1) by means of a threaded connection.

9. Spraying device according to claim 1, characterised in that said conveying means (5) are an extractor fan arranged at the end of said first hollow (22) close to said nozzle (21).

10. Spraying device according to claim 2, characterised in that said head (2) is L-shaped, opening towards said body (1), and said second hollow (23) is L-shaped, opening towards said body (1).