CN211327519U - Sprayer - Google Patents

Abstract

The utility model discloses a sprayer, be in including shell and setting atomizing portion in the shell, the shell includes casing and lower casing, go up the casing include the main part and with the mouth that holds that the main part links to each other, it is flat tubular structure to hold the mouth, the port that holds the mouth forms the play fog mouth of sprayer. The utility model provides a mouth setting will be sucked to the atomizer is flat tubular structure for it more is suitable for people's mouth to suck the mouth, improves user's comfort level and atomization effect.

Description

Sprayer

Technical Field

The utility model relates to the field of medical equipment, in particular to atomizer.

Background

The aerosol inhalation therapy is to disperse the medicine into tiny droplets or particles by an atomizing device, suspend the droplets or particles in the air, and enter a breathing passage and lungs to achieve the purposes of cleaning the air passage, humidifying the air passage, local treatment and whole-body treatment. In recent years, with the development of industry, air pollution is serious, people suffering from respiratory diseases are more and more, the aerosol inhalation therapy is one of the most effective methods for treating the respiratory diseases, and the aerosol inhalation therapy is more and more common in clinical application.

However, the existing nebulizer usually uses a mouth piece or a nebulizing mask for nebulizing inhalation therapy, and when the existing nebulizer is used, the existing nebulizer has low adaptation degree with the mouth of a patient, which affects the use comfort and nebulizing effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprayer to solve prior art not enough.

The utility model discloses by following technical scheme implement:

the utility model provides a sprayer, includes the shell and sets up atomizing part in the shell, its characterized in that, the shell includes casing and lower casing, go up the casing include the main part and with the mouth of sucking that the main part links to each other, the mouth of sucking is flat tubular structure, the port of sucking the mouth forms the play fog mouth of atomizer.

Preferably, the upper housing is of unitary construction.

Preferably, the cross-sectional outer contour of the mouth nozzle comprises a first section arc, a second section arc, a third section arc and a fourth section arc which are sequentially connected, wherein the first section arc and the third section arc are symmetrically arranged, the second section arc and the fourth section arc are symmetrically arranged, and the ratio of the arc radius of the first section arc to the arc radius of the second section arc is greater than 3.

Preferably, the axis of the mouth extends in a horizontal direction.

Preferably, the upper shell further comprises a handle connected with the main body part, and the handle and the mouth are respectively arranged on two sides of the main body part.

Preferably, the main body part comprises a top wall and a side wall, the top wall inclines downwards along the direction from the mouth to the handle, and the top wall is provided with an air inlet through hole.

Preferably, a nozzle is arranged in the lower shell, a compressed gas outlet is arranged on the nozzle, the nebulizer further comprises a first core and a second core connected, the first core comprising an impaction post and a first cylindrical structure covering the nozzle, the top end of the first cylindrical structure is provided with a through hole which is arranged corresponding to the compressed gas outlet, a liquid medicine diversion groove is arranged on the outer peripheral wall of the nozzle and/or the inner peripheral wall of the first tubular structure, the impingement post disposed above the compressed gas outlet, the second core comprising a second cylindrical structure, the edge of the air inlet through hole extends downwards to form a third cylindrical structure, the third cylindrical structure is in butt joint with the second cylindrical structure, and the inner cavity of the third cylindrical structure and the inner cavity of the second cylindrical structure jointly form an air inlet channel of the sprayer.

Preferably, the second core further includes a screening portion connected to a lower portion of the second cylindrical structure, the screening portion being located in the lower case.

Preferably, the handle is formed by extending the top wall to one side and bending downward.

Preferably, one of the upper shell and the lower shell is provided with a protrusion, the other of the upper shell and the lower shell is provided with a clamping groove, and the protrusion is clamped into the clamping groove so as to connect the upper shell with the lower shell.

Preferably, a viewing window and/or scale marks are arranged on the lower shell.

The utility model has the advantages that: the utility model provides a mouth of sucking of atomizer is flat tubular structure for it more is suitable for people's mouth to suck the mouth, improves user's comfort level and atomization effect.

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 these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the sprayer according to the present invention;

FIG. 2 is an exploded view of the sprayer according to the present invention;

FIG. 3 is a schematic structural view of the lower housing and the nozzle of the sprayer of the present invention;

fig. 4 shows a schematic diagram of an assembly structure of the sprayer of the present invention.

In the figure: 1. an upper housing; 11. a main body portion; 111. a top wall; 112. a side enclosure wall; 12. a mouth; 121. a first arc segment; 122. a second arc segment; 123. a third arc; 124. a fourth arc; 13. a handle; 14. an air inlet through hole; 15. a third tubular structure; 16. a protrusion;

2. a lower housing; 21. a base plate; 22. a liquid medicine accommodating part; 23. a nozzle; 231. a constant diameter section; 232. a conical section; 233. a compressed gas outlet; 234. a liquid medicine diversion trench; 24. an observation window; 25. scale lines; 26. a card slot;

3. a first core part; 31. an impact post; 32. a first cylindrical structure; 33. a cross arm; 34. a vertical arm; 35. clamping a pin;

4. a second core part; 41. an annular transverse plate; 42. a first annular riser; 43. a screening well; 44. an annular ejection plate; 45. a second cylindrical structure; 46. a clamping block; 47. an extension plate; 48. and limiting guide grooves.

Detailed Description

The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.

Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are intended to be inclusive and mean that, for example, they may be fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-4, the utility model provides a sprayer includes the shell and sets up the atomizing part in the shell, and the shell includes casing 1 and lower casing 2, goes up casing 1 and includes main part 11 and the mouth 12 of sucking that links to each other with main part 11, and mouth 12 is flat tubular structure, and the port of sucking mouth 12 forms the play fog mouth of sprayer. The buccal mouth 12 is arranged to be of a flat tubular structure, so that the buccal mouth 12 is more suitable for the mouth of a person, and the comfort level and the atomization effect of a user are improved.

Preferably, the upper housing 1 is an integral structure, that is, the mouth 12 is integrally formed on the upper housing 1, so that no additional assembly is required during use, the structure is simpler, and the use is more convenient.

Preferably, as shown in fig. 4, the cross-sectional outer contour of the mouth 12 includes a first arc 121, a second arc 122, a third arc 123 and a fourth arc 124 which are connected in sequence, wherein the first arc 121 and the third arc 123 are symmetrically arranged, the second arc 122 and the fourth arc 124 are symmetrically arranged, and the ratio of the arc radius of the first arc 121 to the arc radius of the second arc 122 is greater than 3. So that the shape of the mouth 12 is closer to the mouth of a person to further improve the comfort of use and the atomization effect.

Preferably, the axis of the mouth 12 extends in a horizontal direction, which is more convenient for the user to operate.

The atomizer further comprises a nozzle 23 arranged in the shell, a liquid medicine containing part 22 is formed in the shell, a compressed gas outlet 233 is formed in the nozzle 23, the atomizing part comprises an impact column 31 arranged above the compressed gas outlet 233, a certain gap is formed between the impact column 31 and the compressed gas outlet 233, and when the compressed gas is sprayed from the compressed gas outlet 233, negative pressure is formed near the compressed gas outlet 233 of the nozzle 23 so as to drive the liquid medicine in the liquid medicine containing part 22 to impact the impact column 31 to form mist particles. In order to improve atomization efficiency, the utility model discloses in, atomizing portion is still including surrounding the secondary striking structure that striking post 31 set up for accept the fog grain that produces through the striking of striking post 31, form the secondary striking to the fog grain, thereby obtain littleer fog grain, atomization efficiency is high, and the granule after the atomizing is little, and the inspiratory medicine of user can get into darker tissue, produces better curative effect.

The secondary impact structure may be any structure that provides an impact surface around the impact post 31, such as a plate, strip, block structure disposed around the impact post 31, and in a preferred embodiment includes an annular ejector plate 44 disposed radially outward of the impact post 31.

Present atomizer screens the fog grain through the screening bucket, and this kind of structure is relatively poor to the screening ability of fog grain, based on this, the utility model discloses in, the atomizer still includes the screening portion, and the screening portion is including encircleing the ring channel that secondary striking structure set up, and the transversal U-shaped of personally submitting of ring channel, and the tank bottom of ring channel is provided with screening hole 43, so, the fog grain that the atomizing portion produced can get into in the ring channel to spin in the ring channel, the sediment of the fog grain of big granule gets off, and the fog grain of tiny granule passes through screening hole 43 smoothly and is spouted by the atomizer, thereby further reduces the atomizing granule, guarantees the atomization effect of atomizer.

Further, the lower housing 2 is a cylindrical structure with two open ends, the lower portion of the lower housing 2 is provided with a bottom plate 21, and the edge of the bottom plate 21 is connected to the inner wall of the lower housing 2, so that the bottom plate 21 and the lower housing 2 enclose a liquid medicine accommodating chamber for accommodating liquid medicine, i.e. the liquid medicine accommodating portion 22, preferably, the bottom plate 21 is inclined downwards from the outer edge to the center. The nozzle 23 is tubular and comprises an equal diameter section 231 and a conical section 232, as shown in fig. 3, a compressed gas outlet 233 is formed at the top end of the conical section 232, the nozzle 23 is arranged through the bottom plate 21, and preferably, the lower shell 2, the bottom plate 21 and the nozzle 23 are of an integral structure.

Preferably, the lower housing 2 is provided with an observation window 24 to facilitate observation of the condition of the internal liquid medicine.

Preferably, the lower casing 2 is provided with scale lines 25 to facilitate viewing of the amount of the internal liquid medicine.

The first core part 3 and the second core part 4 are arranged in the shell, the impact column 31 is arranged on the first core part 3, specifically, the first core part 3 comprises a first cylindrical structure 32 covering the nozzle 23, a through hole (not shown) is arranged at the top end of the first cylindrical structure 32, the through hole is arranged corresponding to the compressed gas outlet 233, a liquid medicine guiding groove 234 is arranged on the outer peripheral wall of the nozzle 23, the first core part 3 further comprises a cross arm 33 and vertical arms 34 respectively connected with two ends of the cross arm 33, the vertical arms 34 are connected with the first cylindrical structure 32, the cross arm 33 is positioned above the first cylindrical structure 32, the impact column 31 is arranged on the cross arm 33, in this way, the compressed gas forms a high-speed gas flow when passing at the compressed gas outlet 233, so that a negative pressure is formed near the compressed gas outlet 233, under the action of negative pressure, the liquid medicine flows upwards along the liquid medicine diversion groove 234 and impacts the impact column 31 to form fog particles. It is understood that the liquid medicine guiding groove 234 may be provided on the inner peripheral wall of the first cylindrical structure 32, or the liquid medicine guiding groove 234 may be provided on both the outer peripheral wall of the nozzle 23 and the inner peripheral wall of the first cylindrical structure 32. The cross arm 33 is provided with a clamping pin 35, and the first core part 3 is clamped with the second core part 4 through the clamping pin 35.

The second core portion 4 includes annular diaphragm 41 and the first annular riser 42 that links to each other with the bottom surface of annular diaphragm 41, screening hole 43 sets up on annular diaphragm 41, screening hole 43 is preferred to be long and thin fan ring shape, the radial outer edge of annular diaphragm 41 and the preferred inner wall butt of casing 2 down (screening position is in casing 2 down this moment), annular diaphragm 41, first annular riser 42 and casing 2 enclose to close and form the ring channel, it can make the structure of atomizer simpler to utilize the casing to form the ring channel with the cooperation of second core portion 4, in addition, it can make things convenient for the assembly of atomizer more to form the ring channel with the cooperation of casing 2 down. In the radial direction, the annular ejection plate 44 is located between the impact column 31 and the first annular vertical plate 42, preferably, the annular ejection plate 44 is connected with the bottom surface of the annular transverse plate 41, and the bottom surface of the annular ejection plate 44 is lower than the bottom surface of the first annular vertical plate 42, so as to form better secondary impact on the fog particles. Of course, it will be understood that the annular groove may be formed without the use of a shell structure, and in this case, the second core 4 further includes a second annular riser disposed radially outward of the first annular riser 42, and the annular transverse plate 41, the first annular riser 42 and the second annular riser enclose the annular groove.

Further, the second core portion 4 further includes a second cylindrical structure 45, and the screening portion is connected to a lower portion of the second cylindrical structure 45, specifically, a radially inner edge of the annular cross plate 41 is connected to a lower outer side surface of the second cylindrical structure 45. A clamping block 46 is convexly arranged on the inner wall of the second cylindrical structure 45 and is used for clamping and matching with the clamping pin 35 on the cross arm 33. Specifically, the two clamping legs 35 are arranged side by side, each clamping leg 35 comprises an elastic arm and a clamping block arranged on the elastic arm, the protruding directions of the clamping blocks of the two clamping legs 35 are opposite, the two clamping blocks 46 on the inner wall of the second tubular structure 45 are correspondingly arranged, or the two clamping blocks are annular, the structure is convenient for force application assembly, and the assembled structure is more reliable.

It is further preferable that the annular ejection plate 44 is downwardly extended to form two extension plates 47 oppositely arranged, and the inner sides of the extension plates 47 are provided with limit guide grooves 48 for cooperating with the vertical arms 34 to limit and guide the assembly of the first core 3 and the second core 4 and to ensure the structural reliability after the assembly.

Further, the main body 11 includes a top wall 111 and a side surrounding wall 112, the top wall 111 is provided with an air inlet through hole 14, the edge of the air inlet through hole 14 extends downwards to form a third cylindrical structure 15, the third cylindrical structure 15 is abutted with the second cylindrical structure 45, and the inner cavity of the third cylindrical structure 15 and the inner cavity of the second cylindrical structure 45 jointly form an air inlet channel of the sprayer. It will of course be understood that the third cylindrical structure 15 may not be provided, and that the second cylindrical structure 45 abuts directly against the top wall 111, in which case the inner cavity of the second cylindrical structure 45 constitutes the air inlet passage of the nebulizer.

Further, the upper shell 1 further comprises a handle 13 connected with the main body portion 11, the handle 13 and the mouth 12 are respectively arranged on two sides of the main body portion 11, and the handle 13 can be used and carried more conveniently. Preferably, the top wall 111 is inclined downwards along the mouth 12 towards the handle 13, and the handle 13 is formed by extending the top wall of the main body 11 to one side and bending downwards, so that the structure is simple, the processing is convenient and the use is reliable.

Further, the upper housing 1 is provided with a protrusion 16, the lower housing 2 is provided with a locking groove 26, and the protrusion 16 is locked in the locking groove 26 to connect the upper housing 1 and the lower housing 2, but it should be understood that the positions of the locking groove 26 and the protrusion 16 may be interchanged.

When the nebulizer is used, a user pours the liquid medicine into the liquid medicine accommodating portion 22 from the upper opening of the lower housing 2, and then engages and fixes the upper housing 1 and the lower housing 2. Compressed gas is sprayed out from the compressed gas outlet 233, negative pressure is formed near the compressed gas outlet 233 of the nozzle 23 to drive the liquid medicine in the liquid medicine accommodating portion 22 to collide with the collision column 31 to form mist particles, the mist particles collide with the annular ejection plate 44 to obtain smaller mist particles, the mist particles enter the annular groove and rotate in the annular groove, large-particle mist particles are deposited, small-particle mist particles smoothly enter the upper shell 1 through the screening holes 43, and finally are sprayed out through the mouth 12.

The utility model provides a sprayer, mouth 12 is flat tubular structure for sucking mouth 12 and more being suitable for the people's mouth, improving user's comfort level and atomization effect, in addition, will sucking mouth 12 an organic whole and be formed into on last casing 1, need not during the use and assemble separately, and the structure is simpler, and it is more convenient to use.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a sprayer, includes the shell and sets up atomizing part in the shell, its characterized in that, the shell includes casing and lower casing, go up the casing include the main part and with the mouth of sucking that the main part links to each other, the mouth of sucking is flat tubular structure, the port of sucking the mouth forms the play fog mouth of atomizer.

2. The nebulizer of claim 1, wherein the upper housing is a unitary structure.

3. The sprayer according to claim 1, wherein the cross-sectional outer contour of the mouthpiece comprises a first arc, a second arc, a third arc and a fourth arc connected in sequence, wherein the first arc and the third arc are symmetrically arranged, the second arc and the fourth arc are symmetrically arranged, and the ratio of the arc radius of the first arc to the arc radius of the second arc is greater than 3.

4. The nebulizer of claim 1, wherein the axis of the mouthpiece extends in a horizontal direction.

5. The nebulizer of any one of claims 1 to 4, wherein the upper housing is of a unitary structure, and the upper housing further comprises a handle connected to the main body, the handle and the mouthpiece being disposed on opposite sides of the main body.

6. The nebulizer of claim 5, wherein the body portion comprises a top wall and a side wall, the top wall sloping downward in a direction from the mouthpiece to the handle, the top wall having an air inlet through hole.

7. The nebulizer of claim 6, wherein a nozzle is disposed in the lower housing, the nozzle is provided with a compressed gas outlet, the sprayer also comprises a first core part and a second core part which are connected, the first core part comprises an impact column and a first cylindrical structure covering the nozzle, the top end of the first cylindrical structure is provided with a through hole, the through hole is arranged corresponding to the compressed gas outlet, the peripheral wall of the nozzle and/or the inner peripheral wall of the first tubular structure is provided with a liquid medicine diversion groove, the impingement post disposed above the compressed gas outlet, the second core comprising a second cylindrical structure, the edge of the air inlet through hole extends downwards to form a third cylindrical structure, the third cylindrical structure is in butt joint with the second cylindrical structure, and the inner cavity of the third cylindrical structure and the inner cavity of the second cylindrical structure jointly form an air inlet channel of the sprayer.

8. The nebulizer of claim 7, wherein the second core portion further comprises a sifting portion connected to a lower portion of the second cylindrical structure, the sifting portion being located within the lower housing.

9. The nebulizer of any one of claims 1 to 4, wherein one of the upper housing and the lower housing is provided with a protrusion, and the other of the upper housing and the lower housing is provided with a locking groove, the protrusion being locked into the locking groove to connect the upper housing and the lower housing.

10. Nebulizer according to one of claims 1 to 4, characterized in that the lower housing is provided with a viewing window and/or scale markings.

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