CN215351305U

CN215351305U - Sprayer for oral cavity and nasal cavity

Info

Publication number: CN215351305U
Application number: CN202121436068.6U
Authority: CN
Inventors: 张晓阳
Original assignee: Zhuhai Honggou Chain Trading Co ltd
Current assignee: Zhuhai Laiben Technology Co.,Ltd.
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-31
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of sprayers, in particular to a sprayer for oral cavities and nasal cavities, which comprises: the shell is provided with a mounting groove and a liquid spraying opening; the solution bomb is detachably arranged in the mounting groove, the solution bomb is used for storing atomized liquid and internally provided with a water-absorbing cotton core for absorbing the atomized liquid, the solution bomb is provided with a liquid outlet communicated with the liquid spraying port, one end of the water-absorbing cotton core is positioned at the liquid outlet, and the solution bomb is provided with an atomizing sheet at the liquid outlet; and the circuit board assembly is arranged in the shell and is electrically connected with the atomizing sheet. The solution bomb is designed to be detachable, and the new solution bomb can be directly replaced after the atomized liquid is used, so that the trouble that a user needs to add the atomized liquid is avoided, the solution bomb is very convenient to replace, and the atomized liquid is not easy to leak in the replacement process as the atomized liquid needs to be added.

Description

Sprayer for oral cavity and nasal cavity

Technical Field

The utility model relates to the technical field of sprayers, in particular to a sprayer for oral cavities and nasal cavities.

Background

Along with the continuous improvement of living standard of people, people pay more attention to oral hygiene, and various oral sprayers capable of cleaning oral cavities appear on the market. The oral sprayer can store some liquid medicine for patients to use besides storing the refreshing agent; of course, nebulizers can be used in the nasal cavity in addition to the oral cavity. Most atomizers use ultrasonic high-frequency vibration to atomize liquid into small water drops by the ultrasonic atomization principle, and then spray the small water drops outwards. Most of the existing sprayers have the liquid storage bin for storing atomized liquid and the machine shell which are integrated, so that the sprayers cannot be disassembled, and when the atomized liquid in the sprayers is used up, a user needs to add the atomized liquid, so that the sprayers are very inconvenient to use; still some atomizers are designed as disposable products, and the atomized liquid is discarded completely after being used up, which causes higher use cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sprayer for oral cavity and nasal cavity, which aims to solve the technical problems of inconvenience and inconvenience in use in the prior art by adding atomized liquid.

To achieve the above object, the present invention provides a nebulizer for oral and nasal cavities, comprising:

the shell is provided with a mounting groove and a liquid spraying opening;

the solution bomb is detachably arranged in the mounting groove, the solution bomb is used for storing atomized liquid and internally provided with a water-absorbing cotton core for absorbing the atomized liquid, the solution bomb is provided with a liquid outlet communicated with the liquid spraying port, one end of the water-absorbing cotton core is positioned at the liquid outlet, and the solution bomb is provided with an atomizing sheet at the liquid outlet;

and the circuit board assembly is arranged in the shell and is electrically connected with the atomizing sheet. The atomized liquid can be directly replaced by a new solution bomb after the atomized liquid is used, the trouble that a user needs to add the atomized liquid by himself is avoided, the atomized liquid can be replaced very conveniently, and the atomized liquid cannot be easily leaked when the atomized liquid needs to be added in the replacement process.

Preferably, the solution bomb is provided with a conductive copper needle electrically connected with the atomizing sheet, the case is provided with a conductive hole at the mounting groove, a conductive piece is arranged at the conductive hole in the case, and the conductive piece is electrically connected with the circuit board assembly; when the solution bullet is installed in the mounting groove, the conductive copper needle passes through the conductive hole and is electrically connected with the conductive piece. The assembly, disassembly and use are convenient, and the use feeling of a user is improved; and the solution bomb can be produced in batch to match the casing.

Preferably, one end of the solution bomb is provided with a first groove, the shell is provided with a protruding part, and the protruding part is clamped in the first groove. Make things convenient for the solution bullet to install in the mounting groove, and can improve the assembly stability of solution bullet and casing.

Preferably, one end of the solution bomb is provided with a protruding part, the casing is provided with a second groove, and the protruding part is clamped in the second groove. Further improve the stability of solution bullet and casing assembly body, and can guarantee atomizing piece and circuit board subassembly electric connection, guarantee that the circuit is smooth and easy.

Preferably, the solution bomb is provided with a buckle at one end far away from the protruding part, the casing is provided with a clamping groove, and the buckle is clamped in the clamping groove. The solution bomb can be more stably installed in the installation groove, and the solution bomb is very convenient to disassemble.

Preferably, the solution is provided with a pressure balance hole in a springing manner, and a waterproof breathable film is arranged at the position of the pressure balance hole. The atomized liquid in the solution bomb can be prevented from leaking, and meanwhile, the circulation of air between the inside and the outside of the solution bomb can be ensured, and the air pressure inside and outside the solution bomb is balanced.

Preferably, a third groove is formed in the side wall of the solution bomb at the pressure balance hole, and the waterproof breathable film is located in the third groove. The waterproof breathable film is prevented from being scraped by other parts and falling off.

Preferably, the waterproof breathable film comprises a polytetrafluoroethylene film and an acrylic pressure-sensitive adhesive layer which are sequentially laminated, and the acrylic pressure-sensitive adhesive layer is adhered to the pressure balance hole. Can be conveniently bonded at the pressure balance hole of the solution bomb, and is convenient to operate.

Preferably, the liquid spraying device further comprises a shell, the machine shell and the solution bomb are both located in the shell, and an opening for exposing the liquid spraying opening is formed in the shell at the liquid spraying opening. The shell is used for protecting the machine shell and the solution bomb and can prevent the solution bomb from falling off the machine shell.

Preferably, the side wall of the casing is provided with a sliding groove, and a hall switch for controlling the circuit board assembly is arranged in the sliding groove. The Hall switch has the advantages of no contact, low power consumption, long service life and convenient control of the atomizer.

The utility model relates to a sprayer for oral cavity and nasal cavity, which has at least the following beneficial effects: the design of solution bullet is detachable form, can directly change new solution bullet after the atomizing liquid finishes using, has saved the trouble that the user need oneself to add the atomizing liquid, and has changed very conveniently, also can not cause the atomizing liquid to leak like need add the atomizing liquid easily at the change in-process. Through directly changing the solution bullet, still convenience of customers selects the solution bullet of different tastes, different efficiency according to individual taste, compares in directly adding the atomizing liquid, can not cause multiple atomizing liquid to mix, influence the taste. Compared with a disposable sprayer, the technical scheme only changes the solution bomb, greatly saves the use cost and is more green and environment-friendly. After the atomizer is used for a period of time, the atomizing sheet is easy to block, and if the atomizing liquid is directly added after the atomizing liquid is used up without replacing the atomizing sheet, the atomizing effect of the atomizer is poor after the atomizer is used for a period of time, so that the use feeling of a user is influenced; and this technical scheme sets up the atomizing piece on the solution bullet, has also changed the atomizing piece that blocks up seriously simultaneously when changing the solution bullet, consequently guarantees that the user uses at every turn and all has better impression, has also saved the trouble that needs to change the atomizing piece alone simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of an atomizer according to the present invention;

FIG. 2 is a schematic diagram of an exploded view of the atomizer of the present invention;

FIG. 3 is a schematic view of a first angle of the housing of the present invention;

FIG. 4 is a second angle view of the housing of the present invention;

FIG. 5 is a third angle of the housing of the present invention;

FIG. 6 is a schematic view of the structure of the solution bullet of the present invention;

FIG. 7 is a schematic diagram of an exploded structure of a solution bomb according to the present invention;

FIG. 8 is a schematic view of the structure of the waterproof and breathable film of the present invention;

fig. 9 is a schematic structural view of the housing of the present invention.

In the drawings: 1-machine shell, 11-mounting groove, 12-liquid spraying port, 13-conductive hole, 14-projecting part, 15-second groove, 16-clamping groove, 17-sliding groove, 2-solution bomb, 21-absorbent cotton core, 22-liquid outlet, 23-atomizing sheet, 24-conductive copper needle, 25-first groove, 26-projecting part, 27-buckle, 28-pressure balance hole, 29-third groove, 3-circuit board component, 4-battery, 5-conductive piece, 6-waterproof breathable film, 61-polytetrafluoroethylene film, 62-acrylic pressure sensitive adhesive layer, 7-shell, 71-opening and 8-Hall switch.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 9, a nebulizer for oral and nasal cavities comprises:

the device comprises a shell 1, a liquid spraying device and a liquid spraying device, wherein the shell is provided with a mounting groove 11 and a liquid spraying opening 12;

the solution bomb 2 is detachably mounted in the mounting groove 11, an absorbent cotton core 21 for absorbing atomized liquid is arranged in the solution bomb 2 and used for storing the atomized liquid, a liquid outlet 22 communicated with the liquid spraying port 12 is formed in the solution bomb 2, one end of the absorbent cotton core 21 is located at the liquid outlet 22, and an atomizing sheet 23 is arranged at the liquid outlet 22 of the solution bomb 2;

and the circuit board assembly 3 is arranged in the machine shell 1, and the circuit board assembly 3 is electrically connected with the atomizing sheet 23.

The interior of the machine shell 1 is hollow so as to form a containing cavity, a liquid spraying port 12 is formed in the machine shell 1, and the liquid spraying port 12 is communicated with the containing cavity. The casing 1 has been seted up mounting groove 11, and mounting groove 11 specifically is the inside sunken formation of lateral wall of casing 1. The solution bomb 2 is detachably arranged in the mounting groove 11, the solution bomb 2 is hollow for storing atomized liquid, and the atomized liquid can be a freshener for cleaning a cavity or a liquid medicine for treating a nose and other solutions; the solution bomb 2 is installed in the installation groove 11, so the solution bomb 2 is not located inside the casing 1. The solution bomb 2 is provided with a liquid outlet 22 communicated with the inner space of the solution bomb, and the liquid outlet 22 corresponds to and is communicated with the liquid spraying port 12; the solution bomb 2 is internally provided with a water absorption cotton core 21, one end of the water absorption cotton core 21 is positioned at the liquid outlet 22, and the water absorption cotton core 21 can absorb the atomized liquid in the solution bomb 2 to the liquid outlet 22. Solution bullet 2 is equipped with atomizing piece 23 in liquid outlet 22 department, and atomizing piece 23 and the inside circuit board assembly 3 electric connection of casing 1 can make atomizing piece 23 high frequency oscillation through circuit board assembly 3 to the atomized water that will absorb water cotton core 21 and absorb gets is broken up into a large amount of tiny drops, then outwards spouts through hydrojet mouth 12. The shell 1 is also internally provided with a battery 4, and the battery 4 is electrically connected with the circuit board assembly 3 and used for providing power for the circuit board assembly 3; can set up battery 4 into rechargeable battery 4, set up the mouth that charges simultaneously on casing 1, the mouth that charges and battery 4 electric connection can charge to battery 4 through the mouth that charges, used repeatedly, green.

Most of the existing sprayers have the liquid storage bin for storing atomized liquid and the machine shell which are integrated, so that the sprayers cannot be disassembled, and when the atomized liquid in the sprayers is used up, a user needs to add the atomized liquid, so that the sprayers are inconvenient to use; still some atomizers are designed as disposable products, and the atomized liquid is discarded completely after being used up, which causes higher use cost. And this technical scheme designs solution bullet 2 into detachable form, can directly change new solution bullet 2 after the atomizing liquid finishes using, has saved the trouble that the user need oneself to add the atomizing liquid, and has changed very conveniently, can not cause the atomizing liquid to leak like need add the atomizing liquid easily in the change in-process yet. Through directly changing solution bullet 2, convenience of customers still selects solution bullet 2 of different tastes, different efficiency according to individual taste, compares in directly adding the atomized liquid, can not cause multiple atomized liquid to mix, influence the taste. Compared with a disposable sprayer, the technical scheme only changes the solution bomb 2, thereby greatly saving the use cost and being more green and environment-friendly. After the atomizer is used for a period of time, the atomizing plate 23 is easy to block, and if the atomizing plate 23 is not replaced when the atomizing liquid is directly added after the atomizing liquid is used, the atomizing effect of the atomizer is poor after the atomizer is used for a period of time, so that the use feeling of a user is influenced; and this technical scheme sets up atomizing piece 23 on solution bullet 2, has also changed the atomizing piece 23 that blocks up seriously simultaneously when changing solution bullet 2, consequently guarantees that the user all has better impression in every use, has also saved the trouble that needs to change atomizing piece 23 alone simultaneously.

Furthermore, a conductive copper needle 24 electrically connected with the atomizing sheet 23 is arranged on the solution bomb 2, a conductive hole 13 is formed in the installation groove 11 of the case 1, a conductive piece 5 is arranged in the case 1 at the conductive hole 13, and the conductive piece 5 is electrically connected with the circuit board assembly 3; when the solution bomb 2 is installed in the installation groove 11, the conductive copper pin 24 penetrates through the conductive hole 13 and is electrically connected with the conductive piece 5.

Specifically, the solution bomb 2 and the case 1 are independent from each other, and the atomizing plate 23 on the solution bomb 2 needs to be electrically connected with the circuit board assembly 3 in the case 1, so that the solution bomb 2 is provided with the conductive copper needle 24, the case 1 is internally provided with the conductive piece 5, the atomizing plate 23 is electrically connected with the conductive copper needle 24, and the conductive piece 5 is electrically connected with the circuit board assembly 3; because the solution bomb 2 is located in the installation groove 11 outside the casing 1, the installation groove 11 is provided with the conductive hole 13, when the solution bomb 2 is installed in the installation groove 11, the conductive copper needle 24 penetrates through the conductive hole 13 to be inserted into the casing 1 and contacts with the conductive piece 5 to realize electrical connection, and finally, the atomization piece 23 is electrically connected with the circuit board assembly 3. The design of the conductive copper needle 24, the conductive piece 5 and the conductive hole 13 enables the detachable solution bomb 2 to be easily electrically connected with the circuit board assembly 3, and after a new solution bomb 2 is installed in the installation groove 11, the atomizing sheet 23 of the solution bomb 2 can be electrically connected with the circuit board assembly 3, so that the solution bomb is convenient to assemble, disassemble and use, and the use feeling of a user is improved; and the solution bomb 2 can be mass produced to match the cabinet 1.

Further, one end of the solution bomb 2 is provided with a first groove 25, the case 1 is provided with a protruding part 14, and the protruding part 14 is clamped in the first groove 25.

The upper end of the solution bomb 2 is sunken downwards to form a V-shaped first groove 25, the casing 1 is provided with a protruding part 14 extending outwards at a position above the solution bomb 2, and after the solution bomb 2 is installed in the installation groove 11, the protruding part 14 is clamped in the first groove 25. Set up first recess 25 and bulge 14, can make things convenient for solution bullet 2 to install in mounting groove 11, and can improve the assembly stability of solution bullet 2 and casing 1, still make things convenient for the location installation of solution bullet 2.

Further, one end of the solution bomb 2 is provided with a protruding portion 26, the casing 1 is provided with a second groove 15, and the protruding portion 26 is clamped in the second groove 15.

Specifically, the upper end of the solution bomb 2 is provided with a convex part 26 which protrudes upwards, and the convex part 26 is positioned in the first groove 25; the casing 1 is provided with a second groove 15 corresponding to the protrusion 26, and the second groove 15 is formed upward from the bottom end of the protrusion 14. When the projection 14 is engaged in the first groove 25, the projection 26 is engaged in the second groove 15. Set up bellying 26 and second recess 15, can further improve the stability of solution bullet 2 and the casing 1 assembly body, and can guarantee that atomizing piece 23 and circuit board assembly 3 electric connection, assurance circuit are smooth and easy.

Furthermore, a buckle 27 is arranged at one end of the solution bomb 2 far away from the protruding portion 26, the casing 1 is provided with a clamping groove 16, and the buckle 27 is clamped in the clamping groove 16.

One end of the solution bomb 2 is provided with a convex part 26, the other end is provided with a buckle 27, and the buckle 27 is made of plastic materials with certain elastic deformation; preferably, the clip 27 is integrally formed with the solution bomb 2, i.e. the solution bomb 2 is also made of plastic material. A clamping groove 16 for clamping the buckle 27 is formed in the shell 1; when the solution bomb 2 is installed in the installation groove 11, the buckle 27 is clamped in the clamping groove 16. The process of installing the solution bomb 2 in the installation groove 11 is specifically as follows: matching the convex part 14 on the machine shell 1 with the first groove 25 on the solution bomb 2, and clamping the convex part 26 in the second groove 15; then, the buckle 27 is extruded towards one side of the middle of the solution bomb 2 to generate certain deformation; then, the solution bomb 2 is pushed into the mounting groove 11, the buckle 27 is loosened after the buckle 27 is embedded into the clamping groove 16, the buckle 27 is clamped in the clamping groove 16 due to the elastic deformation of the buckle 27, and the solution bomb 2 is embedded into the mounting groove 11 at the moment; after the solution bomb 2 is embedded into the mounting groove 11, the conductive copper needle 24 penetrates through the conductive hole 13 to be inserted into the machine shell 1 and electrically connected with the conductive sheet, so that the sprayer can be normally used. If the solution bomb 2 needs to be detached, the buckle 27 is pressed towards one side of the middle of the solution bomb 2 to enable the buckle 27 to be separated from the clamping groove 16, and then the solution bomb 2 is taken out to enable the protruding portion 26 to be separated from the second groove 15. A buckle 27 is arranged at one end of the solution bomb 2 far away from the protruding part 26, so that the solution bomb 2 can be clamped into the clamping groove 16, the solution bomb 2 can be further stably installed in the installation groove 11, and the solution bomb 2 is very convenient to disassemble; the solution bomb 2 is firmly assembled with the casing 1, so that the atomizing plate 23 and the circuit board assembly 3 can be firmly and electrically connected, and the normal operation of the sprayer is ensured.

Further, the solution bomb 2 is provided with a pressure balance hole 28, and a waterproof breathable film 6 is arranged at the pressure balance hole 28.

Pressure balance hole 28 has been seted up to 2 lateral walls of solution bullet, and pressure balance hole 28 intercommunication solution bullet 2 is inside and outside, is provided with waterproof ventilated membrane 6 in pressure balance hole 28 department, and waterproof ventilated membrane 6 can completely cut off the solution, can keep the air to pass through simultaneously. The existing oral sprayer has the advantages that the internal liquid storage bin is generally kept in a closed state, the liquid storage bin is provided with an opening capable of adding solution, and a sealing plug is arranged at the opening to seal the opening and avoid solution leakage. However, the structure ensures that gas cannot circulate under the closed condition, when the solution in the liquid storage bin is less and less, the internal pressure is less and less, the internal and external pressure difference is larger, the atomized liquid is difficult to extrude, and the normal use is influenced. Set up pressure balance hole 28 in solution bullet 2, be provided with waterproof ventilated membrane 6 in pressure balance hole 28 department simultaneously, can prevent through waterproof ventilated membrane 6 that the atomized liquid in solution bullet 2 from leaking, can guarantee the circulation of air between the inside and outside of solution bullet 2 simultaneously, the inside and outside air pressure of balanced solution bullet 2 avoids absorbent cotton core 21 can't be with the atomized liquid suction, cause the atomizer can't use.

Further, a third groove 29 is formed in the side wall of the solution bomb 2 at the pressure balance hole 28, and the waterproof breathable film 6 is located in the third groove 29.

The outer side wall of the solution bomb 2 is provided with a third concave groove 29 at the pressure balance hole 28, and the waterproof breathable film 6 is stuck in the pressure balance hole 28 and then embedded in the third concave groove 29. Set up third recess 29, can be used to hold waterproof ventilated membrane 6, can avoid other parts to scrape waterproof ventilated membrane 6, cause waterproof ventilated membrane 6 to drop.

Further, the waterproof and breathable film 6 comprises a polytetrafluoroethylene film 61 and an acrylic pressure-sensitive adhesive layer 62 which are sequentially laminated, wherein the acrylic pressure-sensitive adhesive layer 62 is adhered to the pressure balance hole 28.

The waterproof breathable film 6 is formed by laminating a tetrafluoroethylene film and an acrylic acid pressure-sensitive adhesive layer 62; the tetrafluoroethylene film is prepared by biaxial stretching through a special process, the surface of the tetrafluoroethylene film can reach billions of micropores per square inch, the diameter of each micropore is smaller than the minimum value of the minimum light fog in water molecules and is far larger than the diameter of a water vapor molecule, so that water vapor can pass through but water drops cannot pass through, and the micropore structure can achieve excellent waterproof and moisture permeable functions and simultaneously enable air to pass through; the acrylic pressure-sensitive adhesive layer 62 can form a firmer adhesive force under a smaller acting force, and can be firmly adhered to the solution bomb 2 to close the pressure balance hole 28 only by applying light finger pressure without solution, heat or other means; preferably, solvent-based pressure-sensitive adhesive is adopted, the water resistance is good, and the failure is not easy to occur when the solvent-based pressure-sensitive adhesive is contacted with atomized liquid in the solution bomb 2. The waterproof breathable film 6 is arranged in such a way, so that the waterproof breathable film can be conveniently bonded to the pressure balance hole 28 of the solution bomb 2, and the operation is convenient. The air permeability of the waterproof breathable film 6 can reach 730ml/min/cm2, the water pressure resistance is 1000mbar, the waterproof grade can reach IP67 (no leakage exists in water of 1.0 meter for 30 minutes), the working temperature range is-40-100 ℃, and the barrier rate to particles with the diameter of 0.1mm reaches more than 99.99%.

The thickness D of the waterproof breathable film 6 is 0.25 mm-0.45 mm. The solution bomb 2 is provided with a third groove 29 for accommodating the waterproof breathable film 6 at the pressure balance hole 28, and the shape of the third groove 29 is matched with that of the waterproof breathable film 6. The thickness D of the waterproof breathable film 6 cannot be too small, so that unstable bonding and poor waterproof effect are avoided; the thickness D of the waterproof breathable film 6 cannot be too large, so that the air permeability is prevented from being influenced, the third groove 29 is protruded, and the waterproof breathable film is easy to scrape off. Therefore, the thickness D of the waterproof breathable film 6 is set to 0.25mm to 0.45mm, which can be avoided.

Further, the liquid spraying device further comprises a shell 7, the machine shell 1 and the solution bomb 2 are both located in the shell 7, and an opening 71 for exposing the liquid spraying opening 12 is formed in the position of the liquid spraying opening 12 of the shell 7.

The shell 7 is used for protecting the casing 1 and the solution bomb 2, and meanwhile, the solution bomb 2 can be prevented from falling off the casing 1. The machine shell 1 and the solution bomb 2 are both positioned in the shell 7, but the shell 7 is not a complete sealing structure, an opening 71 is formed in the position of the liquid spraying opening 12, and small water drops sprayed out from the liquid spraying opening 12 can be sprayed out through the opening 71.

Furthermore, a sliding groove 17 is formed in the side wall of the casing 1, and a hall switch 8 for controlling the circuit board assembly 3 is arranged in the sliding groove 17.

The hall switch 8 is a control switch made by using the hall effect; when a metal or semiconductor sheet, which is supplied with current, is placed vertically in a magnetic field, a potential difference is generated across the sheet, which is known as the hall effect. A sliding groove 17 is formed in the side wall of the machine shell 1, a Hall switch 8 is arranged in the sliding groove 17, and the sprayer is started through the Hall switch 8 to atomize the atomized liquid in the solution bomb 2 and then spray the atomized liquid. The Hall switch 8 has the characteristics of no contact, low power consumption, long service life, high response frequency and the like; the interior of the device is sealed and filled with epoxy resin into a whole, so that the device can reliably work in various severe environments.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A nebulizer for use in the oral and nasal cavities, comprising:

the device comprises a shell (1) which is provided with a mounting groove (11) and a liquid spraying opening (12);

the solution bomb (2) is detachably mounted in the mounting groove (11), the solution bomb (2) is used for storing atomized liquid and is internally provided with a water-absorbing cotton core (21) used for absorbing the atomized liquid, the solution bomb (2) is provided with a liquid outlet (22) communicated with the liquid spraying port (12), one end of the water-absorbing cotton core (21) is located at the liquid outlet (22), and the solution bomb (2) is provided with an atomizing sheet (23) at the liquid outlet (22);

the circuit board assembly (3) is arranged in the machine shell (1), and the circuit board assembly (3) is electrically connected with the atomizing sheet (23).

2. The nebulizer for the oral cavity and the nasal cavity according to claim 1, wherein the solution bomb (2) is provided with a conductive copper needle (24) electrically connected with the atomizing plate (23), the case (1) is provided with a conductive hole (13) at the mounting groove (11), the case (1) is provided with a conductive piece (5) at the conductive hole (13), and the conductive piece (5) is electrically connected with the circuit board assembly (3); when the solution bomb (2) is installed in the installation groove (11), the conductive copper needle (24) penetrates through the conductive hole (13) and is electrically connected with the conductive piece (5).

3. Nebulizer for the oral and nasal cavities according to claim 1, characterized in that one end of the solution cartridge (2) is provided with a first groove (25), the casing (1) is provided with a projection (14), the projection (14) is snapped into the first groove (25).

4. Nebulizer for the oral and nasal cavities according to claim 1, characterized in that one end of the solution cartridge (2) is provided with a protrusion (26), the housing (1) is provided with a second groove (15), and the protrusion (26) is clamped in the second groove (15).

5. Nebulizer for the oral and nasal cavities according to claim 4, characterized in that the solution cartridge (2) is provided with a catch (27) at the end remote from the protruding part (26), the housing (1) is provided with a catch (16), and the catch (27) is caught in the catch (16).

6. The nebulizer for the oral and nasal cavities according to claim 1, wherein the solution bomb (2) is provided with a pressure balance hole (28), and a waterproof and breathable membrane (6) is arranged at the pressure balance hole (28).

7. Nebulizer for the oral and nasal cavities according to claim 6, characterized in that the lateral wall of the solution bomb (2) opens a third groove (29) at the pressure equalization hole (28), the waterproof and breathable membrane (6) being located inside the third groove (29).

8. Nebulizer for oral and nasal cavities according to claim 6, characterized in that the waterproof and breathable membrane (6) comprises a polytetrafluoroethylene membrane (61) and an acrylic pressure-sensitive adhesive layer (62) laminated in this order, the acrylic pressure-sensitive adhesive layer (62) being stuck at the pressure-equalizing holes (28).

9. Nebulizer for the oral and nasal cavities according to claim 1, further comprising a housing (7), the casing (1) and the cartridge (2) being located inside the housing (7), the housing (7) being provided with an opening (71) at the liquid jet (12) for exposing the liquid jet (12).

10. Nebulizer for oral and nasal cavities according to claim 1, characterized in that the side wall of the housing (1) is provided with a sliding slot (17), and a hall switch (8) for controlling the circuit board assembly (3) is arranged in the sliding slot (17).