阅读说明：本技术 一种新型鼻部冲洗系统 (Novel nasal part flushing system ) 是由 何侠 于 2021-10-11 设计创作，主要内容包括：本发明提供了一种新型鼻部冲洗系统,其特征在于,包括气源装置、导管、和鼻部清洗器,所述气源装置包括供电线、开关、直流无刷电机、扇叶和气泵,所述鼻部清洗器包括底座、支撑壳体、药液容器和喷嘴,所述气源装置负责将空气过滤后并以高速气体的形式从导管运输到鼻部清洗器中,所述鼻部清洗器的所述底座上设有能够外接进气管的进气口,高速气体进入所述鼻部清洗器后从所述喷嘴喷出,利用文丘里原理将所述药液容器中的药液带动一起喷入到鼻腔内；本发明利用气源装置提供优质的高速气体,再通过导管连接到鼻部清洗器中,能够优化气体的卫生情况且使药液的雾化效果更加理想,起到更好的治疗保养效果。(The invention provides a novel nasal part flushing system which is characterized by comprising an air source device, a conduit and a nasal part cleaner, wherein the air source device comprises a power supply line, a switch, a direct current brushless motor, fan blades and an air pump, the nasal part cleaner comprises a base, a supporting shell, a liquid medicine container and a nozzle, the air source device is used for filtering air and conveying the air to the nasal part cleaner from the conduit in a high-speed gas mode, an air inlet capable of being externally connected with an air inlet pipe is formed in the base of the nasal part cleaner, the high-speed gas enters the nasal part cleaner and is sprayed out from the nozzle, and the liquid medicine in the liquid medicine container is driven by the venturi principle to be sprayed into a nasal cavity; the invention provides high-quality high-speed gas by using the gas source device, and the high-speed gas is connected into the nasal cleaner through the conduit, so that the sanitation condition of the gas can be optimized, the atomization effect of the liquid medicine is more ideal, and the better treatment and maintenance effects are achieved.)

1. The novel nasal part flushing system is characterized by comprising an air source device (1), a nasal part washer (2) and a conduit (3), wherein the air source device (1) is responsible for filtering air and generating high-speed gas, and the conduit (3) transports the high-speed gas to the nasal part washer (2) for atomization and spraying.

2. The novel nasal irrigation system as claimed in claim 1, wherein the air source device (1) is provided with a dc brushless motor (11), an air pump (12), a heat dissipation fan (13), a switch (14), an air inlet (151) and an air outlet (152); an external power line is connected with the direct current brushless motor (11) through the switch (14), so that the switch (14) can control the starting and the stopping of equipment conveniently; the brushless DC motor (11) is responsible for providing kinetic energy for the air pump (12) and the heat dissipation fan (13), and the air pump (12) sucks air in through an air inlet (151) and discharges high-speed air through an air outlet (152).

3. A novel nasal irrigation system as claimed in claim 2, characterized in that one end of the rotating shaft (111) of the dc brushless motor (11) has a flat notch, and the end is connected to an eccentric wheel (121), the eccentric wheel (121) is fixed to the rotating shaft (111) by an eccentric wheel fastening screw (1211), an eccentric wheel connecting rod (122) on the eccentric wheel (121) is hinged to a piston connecting rod (123), and the eccentric wheel (121), the eccentric wheel connecting rod (122) and the piston connecting rod (123) constitute a crank-connecting rod slider mechanism of the air pump (12); the piston connecting rod (123) drives the piston to do linear reciprocating motion in the cylinder (127); air pump air inlet (124) and air pump gas vent (125) have been seted up on air pump (12), air pump air inlet (124) with air inlet (151) link to each other through air pump pipe (126), just air inlet (151) still are equipped with air inlet filter tip (1511) outward, impurity in the filterable air, air pump gas vent (125) with gas vent (152) link to each other through air pump pipe (126), be equipped with the spring in air pump pipe (126) to guarantee that air pump pipe (126) can not block up, air pump (12) through the hole on air pump fixed block (128) with hole on direct current brushless motor (11) cooperatees fixedly.

4. The novel nasal irrigation system as claimed in claim 2, wherein the other end of the rotating shaft (111) of the dc brushless motor (11) is connected to the heat dissipation fan (13), and the heat dissipation fan (13) rotates along with the rotation of the rotating shaft (111) to blow out the heat inside the air supply device (1) from the heat dissipation port (131).

5. A novel nasal irrigation system as claimed in claim 1 wherein the conduit (3) is connected to the exhaust port (152) for delivering high velocity gas from the gas source device (1) to the nasal cleaner (2), the interior of the conduit (3) being hollow in the shape of hexagonal petals to ensure stable transport of high velocity gas in the conduit (3).

6. A novel nasal irrigation system according to claim 1, characterized in that the nasal cleaner (2) comprises a base (21), a support housing (22), a medical liquid container (23) and a nozzle (24).

7. The novel nasal irrigation system as claimed in claim 6, wherein the base (21) has two limit protrusions (211) and a large limit protrusion (212), the large limit protrusion (212) has a base air inlet (213), the base air inlet (213) has a cylindrical main body, and the protruding portion has a segmented truncated cone shape, so that the conduit (3) and the base air inlet (213) can be connected more firmly; a base guide pipe (214) which is vertically upward is further arranged at the circle center of the base (21), the base guide pipe (214) is communicated with the base air inlet (213), and the direction of high-speed air entering from the base air inlet (213) is changed to be vertically upward; three sections of strip-shaped openings (215) are formed in the side face of the base (21) and used for being matched with the protrusions (222) on the supporting shell (22) to fix the base (21) and the supporting shell (22).

8. The novel nasal irrigation system as claimed in claim 6, wherein the bottom of the support housing (22) is provided with two limiting notches (221) and a large limiting notch (222) which can cooperate with the limiting protrusion (211) and the large limiting protrusion (212) respectively to guide and mount the base (21) and the support housing (22), the bottom of the support housing (22) and the corresponding positions of the three sections of elongated openings (215) are provided with three housing snaps (223), a housing conduit (224) is arranged inside the support housing (22), the housing conduit (224) is fixed with the support housing (22) through the housing conduit supporting column (225), the lower portion of the housing conduit (224) cooperates with the base conduit (214), and a cylindrical pressing valve (226) is arranged on the conduit supporting column (225) in the vertical direction, the pressing valve (226) comprises a pressing mechanism (2261), a guide rod (2263), a spring (2262) and a guide sliding groove (2264) inside, the guide rod (2263) is fixed at one end of the guide sliding groove (2264), the guide rod (2263) is provided with the spring and is connected with the pressing mechanism (2261), when the pressing mechanism (2261) is pressed, the valve hole (2265) in the pressing mechanism (2261) and the shell conduit (224) can be communicated, high-speed gas continues to move upwards, and when the pressing mechanism (2261) is released, the gas cannot pass through.

9. The novel nasal irrigation system as claimed in claim 6, wherein four container fasteners (231) are provided below the medical liquid container (23) for fixedly connecting the medical liquid container (23) and the support housing (22), a nozzle (24) is provided inside the medical liquid container (23), a lower end of the nozzle (24) penetrates through the medical liquid container (23) and is connected with a top end of the housing conduit (224) in a matching manner, the top end is a conical structure, a detachable nozzle sleeve (241) with a similar shape is further provided outside the nozzle (24), and a pair of grooves (2411) are provided inside the nozzle sleeve (241); a container baffle (232) is arranged in the liquid medicine container (23) and divides the liquid medicine container (23) into two parts; a container cover (233) is arranged above the liquid medicine container (23), one half of the container cover (233) is of a fully-closed structure, the other half of the container cover (233) is of a semi-closed structure, a sealing baffle plate (2333) capable of being matched with the container baffle plate (232) is also arranged below the container cover (233), a pair of gaps (2334) are arranged beside the sealing baffle plate (2333), a nozzle (2331) is arranged in the middle of the container cover (233), the nozzle (2331) penetrates through the container cover (233), a nozzle sleeve (2332) is arranged outside the nozzle (2331), and the lower part of the nozzle (2331) is matched with the top of the nozzle (24) to spray atomized liquid medicine sprayed from the nozzle (24) to a nasal cavity; the container cover (233) is provided with a container top cover (234), and paired wedge-shaped structures (235) are arranged on the lower portion of the inner side of the container top cover (234) and the upper portion of the outer side of the liquid medicine container (23) and are used for rotationally fixing the container top cover (234) and the liquid medicine container (23) and pressing the container cover (233).

Technical Field

The invention relates to the field of nasal irrigation instruments, in particular to a novel nasal irrigation system.

Background

Nasal irrigators are a tool used to wash the nasal cavity. The nasal irrigator can discharge the accumulated pathogenic bacteria and grime in the nasal cavity by means of the impact force of normal saline water flow, so that the nasal cavity recovers the normal physiological environment, the self-toxin expelling function of the nasal cavity is recovered, and the aim of protecting the nasal cavity is fulfilled. Although the existing nasal cavity flusher can complete the nasal irrigation function, the quality level of the product is uneven, the problems of unstable water supply, uneven particle size, incompatibility of the sleeve and the air outlet pipe, easy falling of the sleeve during use and inconvenient use still exist.

Disclosure of Invention

The present invention is directed to a novel nasal irrigation system to solve the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the novel nasal irrigation system is characterized by comprising an air source device 1, a nasal cleaner 2 and a conduit 3, wherein the air source device 1 is used for filtering air and generating high-speed gas, and the conduit 3 is used for conveying the high-speed gas to the nasal cleaner 2 to be atomized and sprayed.

The air source device 1 is internally provided with a direct current brushless motor 11, an air pump 12, a heat radiation fan 13, a switch 14, an air inlet 151 and an air outlet 152; an external power line is connected with the brushless DC motor 11 through the switch 14, so that the switch 14 can control the start and stop of equipment conveniently; the dc brushless motor 11 is responsible for providing kinetic energy to the air pump 12 and the heat dissipation fan 13, and the air pump 12 sucks air through the air inlet 151 and discharges high-speed air through the air outlet 152.

One end of the rotating shaft 111 of the dc brushless motor 11 has a flat notch, and the flat notch is connected to an eccentric wheel 121, the eccentric wheel 121 is fixed to the rotating shaft 111 through an eccentric wheel fastening screw 1211, an eccentric wheel connecting rod 122 on the eccentric wheel 121 is hinged to a piston connecting rod 123, and the eccentric wheel 121, the eccentric wheel connecting rod 122 and the piston connecting rod 123 form a crank-connecting rod slider mechanism of the air pump 12; the piston connecting rod 123 drives the piston to do linear reciprocating motion in the cylinder 127; air pump air inlet 124 and air pump gas vent 125 have been seted up on the air pump 12, air pump air inlet 124 with air inlet 151 passes through air pump pipe 126 and links to each other, just air inlet filter 1511 still is equipped with outward in air inlet 151, can add the impurity in the air such as filtering agent removal air such as cotton fiber in the air inlet filter 1511, air pump gas vent 125 with gas vent 152 passes through air pump pipe 126 and links to each other, be equipped with the spring in the air pump pipe 126 to guarantee that air pump pipe 126 can not block up, air pump 12 pass through the hole on the air pump fixed block 128 with hole cooperation on the direct current brushless motor 11 is fixed.

The other end of the rotating shaft 111 of the dc brushless motor 11 is connected to the heat dissipating fan 13, and the heat dissipating fan 13 rotates along with the rotation of the rotating shaft 111 to blow out the heat inside the air supply device 1 from the heat dissipating port 131.

The conduit 3 is connected with the exhaust port 152, and transmits the high-speed gas exhausted from the gas source device 1 to the nose cleaner 2, and the inside of the conduit 3 is hollow in a hexagonal petal shape, so as to ensure that the high-speed gas can be stably transported in the conduit 3.

The nose cleaner 2 includes a base 21, a support housing 22, a medical fluid container 23, and a nozzle 24.

The base 21 is provided with two limiting protrusions 211 and a large limiting protrusion 212, the large limiting protrusion 212 is provided with a base air inlet 213, the main body of the base air inlet 213 is a cylinder, and the extending part is in a segmented truncated cone shape, so that the conduit 3 and the base air inlet 213 can be connected more firmly; a base guide pipe 214 which is vertically upward is further arranged at the center of the base 21, the base guide pipe 214 is communicated with the base air inlet 213, and the direction of the high-speed air entering from the base air inlet 213 is changed to be vertically upward; three sections of strip-shaped openings 215 are formed in the side surface of the base 21 and used for being matched with the protrusions 222 on the supporting shell 22 to fix the base 21 and the supporting shell 22.

The bottom of the support shell 22 is provided with two limiting notches 221 and a large limiting notch 222, which can be respectively matched with the limiting protrusion 211 and the large limiting protrusion 212 to guide and mount the base 21 and the support shell 22, the bottom of the support shell 22 and the corresponding positions of the three sections of elongated openings 215 are respectively provided with three shell fasteners 223, a shell conduit 224 is arranged inside the support shell 22, the shell conduit 224 is fixed with the support shell 22 through a shell conduit support column 225, the lower part of the shell conduit 224 is matched with the base conduit 214, a cylindrical pressing valve 226 is arranged in the vertical direction of the conduit support column 225, the inside of the pressing valve 226 includes a pressing mechanism 2261, a guide rod 2263, a spring 2262 and a guide chute 2264, the guide rod 2263 is fixed at one end of the guide chute 2264, the guide rod 3 is provided with a spring and connected with the pressing mechanism 2261, when the pressing mechanism 2261 is pressed, the valve hole 2265 of the pressing mechanism 2261 and the housing conduit 224 can be communicated, so that high-speed gas continues to move upwards, and when the pressing mechanism 2261 is released, the gas cannot pass through.

Four container fasteners 231 are arranged below the liquid medicine container 23 and are used for fixedly connecting the liquid medicine container 23 with the support shell 22, a nozzle 24 is arranged inside the liquid medicine container 23, the lower end of the nozzle 24 penetrates through the liquid medicine container 23 and is matched and connected with the top end of the shell conduit 224, the top end is in a conical structure, a detachable nozzle sleeve 241 with a similar shape is further arranged outside the nozzle 24, and a pair of grooves 2411 are formed in the inner side of the nozzle sleeve 241; the groove 2411 can ensure that the liquid medicine in the liquid medicine container can stably flow upwards along the groove, so that the atomization effect is better; a container baffle 232 is arranged in the liquid medicine container 23 to divide the liquid medicine container 23 into two parts; a container cover 233 is arranged above the liquid medicine container 23, one half of the container cover 233 is of a fully-enclosed structure, the other half of the container cover 233 is of a semi-enclosed structure, a sealing baffle 2333 capable of being matched with the container baffle 232 is also arranged below the container cover 233, a pair of gaps 2334 are arranged beside the sealing baffle 2333, a nozzle 2331 is arranged in the middle of the container cover 233 and penetrates through the container cover 233, a nozzle sleeve 2332 is arranged outside the nozzle 2331, and the lower part of the nozzle 2331 is matched with the top of the nozzle 24 to spray atomized liquid medicine sprayed from the nozzle 24 to a nasal cavity; the container cover 233 is provided with a container top cover 234, and a pair of wedge structures 235 are arranged below the inner side of the container top cover 234 and above the outer side of the medical fluid container 23, and are used for rotationally fixing the container top cover 234 and the medical fluid container 23 and tightly pressing the container cover 233.

Compared with the prior art, the invention has the following beneficial effects:

the invention sucks and purifies air through the air source device and compresses the air to be conveyed to the nose cleaner in a high-speed gas mode, and can provide more stable atomization effect.

The liquid medicine container of the nose cleaning device is closed, so that liquid medicine is prevented from being polluted by waste liquid after the nose is washed.

The cross section of the conduit is in a hexagonal petal shape, so that the stability of the transmitted high-speed gas is ensured, and the atomization effect is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the gas source device according to the present invention;

FIG. 3 is a second schematic view of the internal structure of the gas source device according to the present invention;

FIG. 4 is a schematic view of a portion of the air pump of the air supply assembly of the present invention;

FIG. 5 is a schematic cross-sectional view of a catheter according to the present invention;

FIG. 6 is a schematic view of the overall structure of the nasal cleaner of the present invention;

FIG. 7 is a schematic view of a base structure of the nasal cleaner of the present invention;

FIG. 8 is a schematic view of a nose cleaner housing according to an embodiment of the present invention;

FIG. 9 is a second schematic view of the nose cleaner housing according to the present invention;

FIG. 10 is a schematic view of the structure of the pressing valve of the nasal cleaner of the present invention;

FIG. 11 is a schematic view of the entire structure of the chemical liquid container of the present invention;

FIG. 12 is a schematic view of the internal structure of the medical fluid container of the present invention;

FIG. 13 is a schematic view of a nozzle sleeve construction according to the present invention;

FIG. 14 is a schematic view of a container lid according to the present invention;

FIG. 15 is a schematic view of a container top cover construction of the present invention;

in the figure: 1-gas source device; 11-a dc brushless motor; 111-a rotating shaft; 12-an air pump; 121 eccentric wheel; 1211-eccentric wheel fastening screw; 122-eccentric connecting rod; 123 piston connecting rods; 124-air pump air inlet; 125-air pump exhaust port; 126-air pump conduit; 127-a cylinder; 13-a heat dissipation fan; 131-a heat dissipation port; 14-a switch; 151-air inlet; 1511-air inlet filter; 152-an exhaust port; 2-nose cleaner; 21-a base; 211-a limit projection; 212 large limit protrusions; 213-base air inlet; 214-a base conduit; 215-elongated opening; 22-a support housing; 221-limit notch; 222 large limit notch; 223-housing snap; 224-a housing conduit; 225-a conduit support post; 226-pressing valve; 2261-a pressing mechanism; 2262-spring; 2263-guide bar; 2264-a guiding slot; 2265-valve hole; 23-a liquid medicine container; 231-container snap; 232-container baffles; 233-container lid; 2331-jet; 2332-orifice sleeve; 2333-sealing baffle; 234-container top cover; 235-a wedge-shaped structure; 24-a nozzle; 241-a nozzle sleeve; 2411-grooves; 3-a conduit.

Detailed Description

The present invention will be described in further detail with reference to the following examples in order to clarify technical problems, technical solutions, implementation processes and performance displays. It should be understood that the specific embodiments described herein are for illustrative purposes only. The present invention is not limited to the above embodiments. Various exemplary embodiments, features and aspects of the present disclosure will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present disclosure. It will be understood by those skilled in the art that the present disclosure may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present disclosure.

Example 1

As shown in figure 1, the novel nasal irrigation system is characterized by comprising an air source device 1, a nasal cleaner 2 and a conduit 3, wherein the air source device 1 is used for filtering air and generating high-speed air, and the high-speed air is conveyed to the nasal cleaner 2 by the conduit 3 and atomized and sprayed out.

As shown in fig. 2, as a possible embodiment, a dc brushless motor 11, an air pump 12, a heat dissipation fan 13, a switch 14, an air inlet 151 and an air outlet 152 are disposed in the air supply device 1; an external power line is connected with the brushless DC motor 11 through the switch 14, so that the switch 14 can control the start and stop of equipment conveniently; the dc brushless motor 11 is responsible for providing kinetic energy to the air pump 12 and the heat dissipation fan 13, and the air pump 12 sucks air through the air inlet 151 and discharges high-speed air through the air outlet 152.

As shown in fig. 4, one end of the rotating shaft 111 of the dc brushless motor 11 has a flat notch, and the flat notch is connected to an eccentric wheel 121, the eccentric wheel 121 is fixed to the rotating shaft 111 by an eccentric wheel fastening screw 1211, an eccentric wheel connecting rod 122 on the eccentric wheel 121 is hinged to a piston connecting rod 123, and the eccentric wheel 121, the eccentric wheel connecting rod 122 and the piston connecting rod 123 form a crank-connecting rod slider mechanism of the air pump 12; the piston connecting rod 123 drives the piston to do linear reciprocating motion in the cylinder 127; the air pump 12 is provided with an air pump air inlet 124 and an air pump air outlet 125, the air pump air inlet 124 is connected with the air inlet 151 through an air pump guide pipe 126, the air inlet 151 is externally provided with an air inlet filter 1511 capable of filtering impurities in the air, the air pump air outlet 125 is connected with the air outlet 152 through the air pump guide pipe 126, a spring is arranged in the air pump guide pipe 126 to ensure that the air pump guide pipe 126 cannot be blocked, and the air pump 12 is matched and fixed with the holes in the brushless DC motor 11 through holes in the air pump fixing block 128.

As shown in fig. 3, as a possible embodiment, the other end of the rotating shaft 111 of the dc brushless motor 11 is connected to the heat dissipating fan 13, and the heat dissipating fan 13 rotates along with the rotation of the rotating shaft 111 to blow out the heat inside the air supply device 1 from the heat dissipating port 131.

As a possible embodiment, as shown in fig. 5, the conduit 3 is connected to the exhaust port 152, and transmits the high-speed gas exhausted from the gas source device 1 to the nose cleaner 2, and the interior of the conduit 3 is hollow in a hexagonal petal shape, so as to ensure that the high-speed gas can be stably transported in the conduit 3.

As shown in FIG. 6, the nasal cleaner 2 includes, as one possible embodiment, a base 21, a support housing 22, a medical fluid container 23, and a nozzle 24.

As shown in fig. 7, as a possible embodiment, the base 21 has two limiting protrusions 211 and a large limiting protrusion 212, the large limiting protrusion 212 has a base air inlet 213, the main body of the base air inlet 213 is a cylinder, and the protruding portion is a segmented truncated cone shape, so that the conduit 3 and the base air inlet 213 can be connected more firmly; a base guide pipe 214 which is vertically upward is further arranged at the center of the base 21, the base guide pipe 214 is communicated with the base air inlet 213, and the direction of the high-speed air entering from the base air inlet 213 is changed to be vertically upward; three sections of strip-shaped openings 215 are formed in the side surface of the base 21 and used for being matched with the protrusions 222 on the supporting shell 22 to fix the base 21 and the supporting shell 22.

As shown in fig. 8-10, as a possible embodiment, two limiting notches 221 and a large limiting notch 222 are formed at the bottom of the supporting housing 22, and can be respectively matched with the limiting protrusion 211 and the large limiting protrusion 212 to guide and mount the base 21 and the supporting housing 22, three housing buckles 223 are respectively formed at the bottom of the supporting housing 22 and at positions corresponding to the three sections of elongated openings 215, a housing conduit 224 is formed inside the supporting housing 22, the housing conduit 224 is fixed with the supporting housing 22 through the housing conduit supporting column 225, the lower side of the housing conduit 224 is matched with the base conduit 214, a cylindrical pressing valve 226 is arranged in the vertical direction of the conduit supporting column 225, the inside of the pressing valve 226 includes a pressing mechanism 2261, a guide bar 2263, a spring 2262 and a guide sliding chute 2264, the guide bar 3 is fixed at one end of the guide sliding chute 2264, the guide rod 2263 is provided with a spring and connected with the pressing mechanism 2261, when the pressing mechanism 2261 is pressed, the valve hole 2265 on the pressing mechanism 2261 and the housing conduit 224 can be communicated, so that high-speed gas continues to move upwards, and when the pressing mechanism 2261 is released, the gas cannot pass through, so that whether the gas is discharged from the nozzle is conveniently controlled by pressing a button.

As shown in fig. 10 to 15, as a possible embodiment, four container fasteners 231 are disposed below the medical liquid container 23 for fixedly connecting the medical liquid container 23 and the support housing 22, a nozzle 24 is disposed inside the medical liquid container 23, a lower end of the nozzle 24 penetrates through the medical liquid container 23 and is connected to a top end of the housing conduit 224 in a matching manner, the top end is a conical structure, a detachable nozzle sleeve 241 with a similar shape is further mounted outside the nozzle 24, and a pair of grooves 2411 are formed inside the nozzle sleeve 241; a container baffle 232 is arranged in the liquid medicine container 23 to divide the liquid medicine container 23 into two parts; a container cover 233 is arranged above the liquid medicine container 23, one half of the container cover 233 is of a fully-enclosed structure, the other half of the container cover 233 is of a semi-enclosed structure, a sealing baffle 2333 capable of being matched with the container baffle 232 is also arranged below the container cover 233, a pair of gaps 2334 are arranged beside the sealing baffle 2333, a nozzle 2331 is arranged in the middle of the container cover 233 and penetrates through the container cover 233, a nozzle sleeve 2332 is arranged outside the nozzle 2331, and the lower part of the nozzle 2331 is matched with the top of the nozzle 24 to spray atomized liquid medicine sprayed from the nozzle 24 to a nasal cavity; the container cover 233 is provided with a container top cover 234, and a pair of wedge structures 235 are arranged below the inner side of the container top cover 234 and above the outer side of the medical fluid container 23, and are used for rotationally fixing the container top cover 234 and the medical fluid container 23 and tightly pressing the container cover 233.