CN220442993U - Adjustable atomizer - Google Patents

Abstract

The utility model discloses an adjustable atomizer, which comprises a cup body, a fog outlet and an air inlet which are arranged on the side wall of the cup body, and an end cover which is arranged on the cup body, wherein a liquid medicine tank is also arranged in the cup body, a jet flow structure is arranged in the liquid medicine tank, a collision structure is also arranged relative to the jet flow structure, an adjusting structure is arranged between the fog outlet and the air inlet, the adjusting structure comprises a valve body, the upper end of the valve body extends upwards out of the end cover and is used for receiving rotation power, at least one section of the valve body is positioned in the cup body and is provided with a side surface with the area uniformly decreasing along the circumferential direction, and the side surface is matched with the air inlet so as to realize the opening adjustment of the air inlet. The uniform change of the side surface area of the valve body is utilized to control the flow cross section of the air inlet, so that the air inflow is linearly changed, the final purpose of controlling the atomization rate is realized, the adjusting error is small, the precision is high, and the application requirements of different patients, different liquid medicines and different respiratory diseases can be met.

Description

Adjustable atomizer

Technical Field

The utility model relates to the technical field of atomizing devices, in particular to an adjustable atomizer.

Background

Aerosol inhalation therapy is a treatment method for treating respiratory diseases such as asthma, bronchitis, sphagitis and the like, wherein a jet atomizer is the main stream equipment of the current aerosol inhalation therapy.

The main function of the atomizer is to atomize the liquid medicine in the cup for the patient to inhale, the atomization process is to send external compressed air (or oxygen) into the atomizer through a pipeline by utilizing the venturi principle, then the external compressed air is ejected out of a jet hole with a narrower section in the atomizer at a high speed and impacts the impact surface, the high-speed air flow generates a negative pressure area in the impact process, the liquid medicine is sucked into the high-speed air flow under the pressure difference effect of the negative pressure area and the atmospheric pressure, and then the high-speed air flow carries the liquid medicine to impact the impact surface above the jet hole together, so as to form a certain amount of tiny fog drops with a certain diameter, and the process is the atomization process of the atomizer.

Generally, patients of different ages, different focal sites, different symptoms and different drugs are used, and different requirements are placed on the atomization rate. In some special cases, the same patient has different requirements on the atomization rate in different treatment stages, for example, some patients suffering from asthma acute attack need to inhale a large dose of bronchodilator rapidly in the early stage of treatment to achieve the purposes of rapidly expanding bronchi and relieving symptoms, and a gentle and stable inhalation amount is needed in the middle and later stages of treatment to make the medicine reach the affected part deeply, so that the maintenance time of the medicine effect is ensured.

In view of this, a batch of atomizer structures for adjusting the atomization rate appear on the market, such as a controllable and adjustable medical air compression atomizer disclosed in chinese patent No. CN202761854U, which comprises a body, an opening is arranged at the upper part of the body, a connector connected with a buccal device or a face mask is arranged at one side of the body, a controllable connector is connected at the lower part of the body, an air-conditioning device is arranged above the opening, the air-conditioning device comprises a splitter plate fixed on the opening and provided with a plurality of through holes, the splitter plate is connected with a spiral cover with a plurality of through holes, the spiral cover can rotate on the splitter plate, an opening is arranged on the controllable connector, a soft plug is arranged on the opening, and the other end of the controllable connector is connected with a medical hose.

However, the atomizer adopts a soft film structure to realize atomization rate adjustment, on one hand, the soft film structure is more complex, the assembly is more difficult, and the production cost is increased; on the other hand, the adjustment mode is complex in operation, the change of the atomization rate is not linear enough, and the treatment requirement of respiratory diseases is difficult to meet.

Disclosure of Invention

The utility model aims to provide an adjustable atomizer with controllable atomization rate, good atomization effect and high stability, so as to meet the treatment requirement of respiratory diseases and solve the technical problems described in the background art.

In order to achieve the above object, the present utility model firstly provides an adjustable atomizer, which comprises a cup body, a fog outlet and an air inlet which are arranged on the side wall of the cup body, and an end cover which is arranged on the cup body, wherein a liquid medicine tank is also arranged in the cup body, a jet flow structure is arranged in the liquid medicine tank, and a collision structure is also arranged relative to the jet flow structure, and the key point is that: an adjusting structure is arranged between the mist outlet and the air inlet, the adjusting structure comprises a valve body, the upper end of the valve body extends upwards out of the end cover and is used for receiving rotation power, at least one section of the valve body is positioned inside the cup body and is provided with a side surface with the area decreasing evenly along the circumferential direction, and the side surface is matched with the air inlet so as to realize the opening degree adjustment of the air inlet.

Still further, the cup includes cup and lower cup, and both pass through threaded connection, just go up the cup set up go up fog mouth, air inlet and the end cover the lower cup sets up the medicine liquid pond.

Still further, still the interference fit has the sealing washer between upper cup with lower cup.

Further, an annular groove for accommodating the sealing ring is formed in the outer circumferential surface of the upper cup body or/and the inner circumferential surface of the lower cup body.

Still further, the jet structure comprises a core tube, one section of the core tube is tightened up, the orifice at the upper end of the core tube is used as a jet orifice, the other section of the core tube penetrates through the bottom of the liquid medicine pond downwards, and the orifice at the lower end of the core tube is used as a compressed gas inlet.

Furthermore, a core cover with a proper outline is sleeved on the section of the core pipe which is tightened up, the core cover is supported on the medicine liquid pool through a first bracket, and a medicine feeding channel is reserved between the core cover and the core pipe so as to convey medicine liquid in the medicine liquid pool to the jet port.

Furthermore, an air inlet channel is arranged in the upper cup body between the air inlet and the jet orifice, the lower end of the air inlet channel is turned outwards to form an aerosol baffle, and the upper end of the air inlet channel is arranged into a first sedimentation table and a second sedimentation table in a high-low differentiation mode.

Still further, the collision structure includes a striker, which is located directly above the jet port and is supported in the intake passage by a second bracket.

Further, an adjusting knob is provided at the upper end of the valve body.

Still further be provided with annular boss on the end cover, circumference evenly distributed has a plurality of mounting holes on annular boss's the anchor ring, every all install the elasticity and bump the pearl in the mounting hole adjust knob's bottom surface still seted up with the hemisphere hole of elasticity bump one-to-one, when adjust knob rotates, the elasticity bumps the pearl and can be in a plurality of roll in proper order between the hemisphere hole.

Compared with the prior art, the utility model has the remarkable effects that:

(1) The flow cross section of the air inlet can be controlled by utilizing the uniform change of the side surface area of the valve body, so that the air inflow is linearly changed, the final purpose of controlling the atomization rate is realized, the adjustment error is small, the precision is high, and the application requirements of different patients, different liquid medicines and different respiratory diseases can be met;

(2) The cup body adopts a split type design, so that medical staff can conveniently add liquid medicine, the whole length of the cup body can be adjusted through threads, the distance between a jet flow structure and a collision structure can be adjusted, the size of atomized particles is changed, the atomizing treatment effects of different ages, different focus positions, different symptoms and different medicines are improved, and the performance is better;

(3) The first sedimentation table and the second sedimentation table which are arranged at the upper end of the air inlet channel in a height-varying manner form a sedimentation space, so that air entering the upper cup body from the air inlet can be effectively buffered and stably conveyed along the air inlet channel, and the stability of an atomization effect is further ensured;

(4) The compressed gas is utilized to move at a high speed and pass through a narrow jet orifice of the core tube, then the pressure is suddenly reduced, negative pressure is locally generated, the medicine liquid is discharged close to the jet orifice due to the siphon effect generated by the negative pressure by the medicine feeding channel, when the medicine liquid is impacted and cracked into aerosol particles by high-pressure air, the baffle can screen the aerosol particles, the aerosol particles fall back to a medicine liquid pool through the baffle, and small aerosol particles are output from the mist outlet along with air flow, so that the mist outlet effect is ensured to be stable and uniform;

(5) The elastic collision and hemispherical hole are utilized to match, the gear is clear, the adjusting precision is high, and the clear operation feedback can be given to medical staff or patients.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the overall structure of a nebulizer in the first embodiment;

fig. 2 is a perspective view of the atomizer in the first embodiment;

FIG. 3 is a schematic view (I) showing the internal structure of the atomizer according to the first embodiment;

FIG. 4 is a schematic view of the internal structure of the atomizer according to the first embodiment (II);

FIG. 5 is an enlarged view of a portion A of FIG. 4;

FIG. 6 is an enlarged view of part B of FIG. 4;

FIG. 7 is an exploded view (I) of the atomizer according to the first embodiment;

FIG. 8 is an enlarged view of a portion C of FIG. 7;

FIG. 9 is an exploded view (II) of the atomizer according to the first embodiment;

fig. 10 is a partial enlarged view of a portion D in fig. 9;

reference numerals in the drawings: 1-upper cup, 2-lower cup, 3-fog outlet, 4-air inlet, 5-end cover, 6-medicine liquid pool, 7-jet structure, 8-collision structure, 9-adjusting structure, 10-valve body, 11-screw thread, 12-sealing ring, 13-annular groove, 14-core tube, 15-jet outlet, 16-compressed gas inlet, 17-core cover, 18-first bracket, 19-administration channel, 20-air inlet channel, 21-fog baffle, 22-first sedimentation table, 23-second sedimentation table, 24-firing pin, 25-second bracket, 26-adjusting knob, 27-annular boss, 28-elastic collision bead, 29-hemispherical hole, 30-gear mark.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Fig. 1 to 10 show a first embodiment of the present utility model: the utility model provides an atomizer with adjustable, includes the cup, locates outlet 3 and air inlet 4 of cup lateral wall to and locate end cover 5 on the cup still be provided with medicine liquid pool 6 in the cup, be provided with jet structure 7 in the medicine liquid pool 6 for jet structure 7 still is provided with collision structure 8 be provided with between outlet 3 with air inlet 4 and adjust structure 9, adjust structure 9 includes valve body 10, the upper end of valve body 10 upwards extends end cover 5 and be used for accepting rotation power, at least one section of valve body 10 is located inside the cup, and have the even progressively decreasing side of area along the circumferencial direction, this side with air inlet 4 cooperatees, realizes the aperture of air inlet 4 is adjusted. Preferably, the side surface of the valve body 10 is a spiral curved surface, and the linear change of the air inflow can be better satisfied by using a spiral angle structure.

As can be seen from fig. 3, 4, 7 and 9, in order to adjust the distance between the jet structure 7 and the collision structure 8 to control the size of aerosol particles, the cup body includes an upper cup body 1 and a lower cup body 2, which are connected by threads 11, the upper cup body 1 is provided with the mist outlet 3, the air inlet 4 and the end cover 5, and the lower cup body 2 is provided with the liquid medicine tank 6.

As shown in fig. 5, preferably, in order to ensure the air tightness at the joint of the upper cup 1 and the lower cup 2, a sealing ring 12 is further installed between the upper cup 1 and the lower cup 2 in an interference manner. Specifically, in order to limit the seal ring 12, an annular groove 13 for accommodating the seal ring 12 is formed in the inner circumferential surface of the lower cup body 2. In other embodiments, the groove may be formed on the outer circumferential surface of the upper cup body 1, or may be formed on both the outer circumferential surface of the upper cup body 1 and the inner circumferential surface of the lower cup body 2.

Referring to fig. 3, 4, 6 and 7 and 8, in the embodiment, the jet structure 7 includes a core tube 14, one section of the core tube 14 is tightened up, an orifice at an upper end of the core tube is used as a jet orifice 15, another section of the core tube 14 penetrates through a bottom of the liquid medicine tank 6 downward, and an orifice at a lower end of the core tube is used as a compressed gas inlet 16. A core cover 17 with an appropriate outer contour is sleeved on a section of the core tube 14 which is tightened upwards, the core cover 17 is supported on the liquid medicine pond 6 through a first bracket 18, and a medicine feeding channel 19 is reserved between the core cover 17 and the core tube 14 so as to convey the liquid medicine in the liquid medicine pond 6 to the jet orifice 15.

In order to ensure stable gas delivery, an air inlet channel 20 is arranged in the upper cup body 1 between the air inlet 4 and the jet orifice 15, the lower end of the air inlet channel 20 is turned outwards to form an aerosol baffle 21, and the upper end of the air inlet channel 20 is provided with a first sedimentation table 22 and a second sedimentation table 23 in a high-low difference mode.

As shown in fig. 4 and 6, the collision structure 8 includes a striker 24, and the striker 24 is located directly above the jet port 15 and is supported in the intake passage 20 by a second bracket 25.

Referring to fig. 9 and 10, an adjusting knob 26 is provided at the upper end of the valve body 10. The end cover 5 is provided with an annular boss 27, a plurality of mounting holes are uniformly distributed on the circumference of the annular boss 27, elastic collision beads 28 are mounted in each mounting hole, hemispherical holes 29 which are in one-to-one correspondence with the elastic collision beads 28 are further formed in the bottom surface of the adjusting knob 26, and when the adjusting knob 26 rotates, the elastic collision beads 28 can roll among a plurality of hemispherical holes 29 in sequence. Preferably, gear marks 30 are arranged on the upper surface of the adjusting knob 26 in one-to-one correspondence with the hemispherical holes 29, so that the technical problem of inconvenient adjustment of the opening of the air inlet 4 caused by shielding of a cover piece can be solved.

In summary, the utility model can control the flow cross section of the air inlet 4 by utilizing the uniform change of the side surface area of the valve body 10, so that the air inflow is linearly changed, the final purpose of controlling the atomization rate is realized, the adjustment error is small, the precision is high, and the application requirements of different patients, different liquid medicines and different respiratory diseases can be met; the cup body adopts a split type design, so that medical staff can conveniently add liquid medicine, and the whole length of the cup body can be adjusted through the threads 11, so that the distance between the jet flow structure 7 and the collision structure 8 is adjusted, the size of atomized particles is changed, the atomization treatment effects of different ages, different focus positions, different symptoms and different medicines are improved, and the performance is better; the first sedimentation table 22 and the second sedimentation table 23 which are arranged at the upper end of the air inlet channel 20 in a height-varying manner form a sedimentation space, so that air entering the upper cup body 1 from the air inlet 4 can be effectively buffered and stably conveyed along the air inlet channel 20, and the stability of an atomization effect is further ensured; the compressed gas is suddenly depressurized after moving through the narrow jet orifice 15 of the core tube 14 at a high speed, negative pressure is locally generated, the drug delivery channel 19 discharges drug liquid close to the jet orifice 15 due to siphon effect generated by the negative pressure, when encountering high pressure gas, the drug liquid is impacted and cracked into aerosol particles, the baffle can screen the aerosol particles, the aerosol particles fall back to the drug liquid pool 6 through the baffle, and small aerosol particles are output from the mist outlet 3 along with the airflow, so that the mist outlet effect is ensured to be stable and uniform; by utilizing the elastic collision and the matching of the hemispherical holes 29, the gear is clear, the adjusting precision is high, and the clear operation feedback can be given to medical staff or patients.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (10)

1. The utility model provides an atomizer with adjustable, includes the cup, locates fog outlet and air inlet of cup lateral wall to and locate the end cover on the cup still be provided with the medicine liquid pond in the cup, be provided with the efflux structure in the medicine liquid pond, for the efflux structure still is provided with collision structure, its characterized in that: an adjusting structure is arranged between the mist outlet and the air inlet, the adjusting structure comprises a valve body, the upper end of the valve body extends upwards out of the end cover and is used for receiving rotation power, at least one section of the valve body is positioned inside the cup body and is provided with a side surface with the area decreasing evenly along the circumferential direction, and the side surface is matched with the air inlet so as to realize the opening degree adjustment of the air inlet.

2. An adjustable atomizer according to claim 1, wherein: the cup body comprises an upper cup body and a lower cup body which are connected through threads, the upper cup body is provided with the mist outlet, the air inlet and the end cover, and the lower cup body is provided with the medicine liquid pool.

3. An adjustable atomizer according to claim 2, wherein: and a sealing ring is also in interference fit between the upper cup body and the lower cup body.

4. An adjustable atomizer according to claim 3, wherein: an annular groove for accommodating the sealing ring is formed in the outer circumferential surface of the upper cup body or/and the inner circumferential surface of the lower cup body.

5. An adjustable atomizer according to any one of claims 2 to 4, wherein: the jet flow structure comprises a core pipe, one section of the core pipe is tightened upwards, the pipe orifice at the upper end of the core pipe is used as a jet flow port, the other section of the core pipe downwards penetrates through the bottom of the medicine liquid pool, and the pipe orifice at the lower end of the core pipe is used as a compressed gas inlet.

6. An adjustable atomizer according to claim 5, wherein: a core cover which is suitable for the outer contour of the core pipe is sleeved on one section of the core pipe which is tightened up, the core cover is supported on the medicine liquid pool through a first bracket, and a medicine feeding channel is reserved between the core cover and the core pipe so as to convey medicine liquid in the medicine liquid pool to the jet port.

7. An adjustable atomizer according to claim 6, wherein: an air inlet channel is arranged in the upper cup body between the air inlet and the jet orifice, the lower end of the air inlet channel is turned outwards to form an aerosol baffle, and the upper end of the air inlet channel is arranged to be high and low differently to form a first sedimentation table and a second sedimentation table.

8. An adjustable atomizer according to claim 7, wherein: the collision structure comprises a firing pin, wherein the firing pin is positioned right above the jet orifice and is supported in the air inlet channel through a second bracket.

9. An adjustable atomizer according to claim 1 or 8, wherein: an adjusting knob is arranged at the upper end of the valve body.

10. An adjustable atomizer according to claim 9, wherein: the end cover is provided with an annular boss, a plurality of mounting holes are uniformly distributed on the circumference of the annular boss, elastic collision beads are mounted in each mounting hole, hemispherical holes in one-to-one correspondence with the elastic collision beads are further formed in the bottom surface of the adjusting knob, and when the adjusting knob rotates, the elastic collision beads can roll among the hemispherical holes in sequence.