Atomizing nozzle

Abstract

The present application relates to a kind of atomizing spray head, comprising: shell is equipped with mounting structure, the bottle mouth of container can be detachably sealedly connected with mounting structure from the outside of shell;Spray mechanism, comprising liquid storage cavity and nozzle;First liquid guide, which is connected with liquid storage cavity;First valve;Wherein, when mounting structure is in the connected state with container, first liquid guide is communicated with container, and, when spray mechanism is pumped, first valve opens, and first liquid guide is pumped from container and transported into liquid storage cavity;When spray mechanism does not pump, first valve closes;When spray mechanism sprays, liquid in liquid storage cavity is sprayed via nozzle.The atomizing spray head of the present application can distribute the liquid in container in the form of fine particle size mist droplet, with better dispersibility, more uniform distribution, which is beneficial to the absorption of liquid, convenient to use, can reduce the probability of liquid pollution, and also can avoid the inaccuracy of spray dose caused by the inaccuracy of liquid suction amount in liquid storage cavity.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to an atomizing nozzle. BACKGROUND

[0002] At present, eye agents are mainly administered in the form of eye drops. Some liquids are packaged by plastic ampoules, which can prolong the storage period, reduce the addition of preservatives, and are convenient to use. Each ampoule can be used multiple times within 24 hours, and needs to be discarded after 24 hours. When using the ampoule eye drop preparation, a single ampoule is taken, the ampoule cap is separated from the bottle body by rotating, the liquid is squeezed into the eyelid, then the ampoule cap is buckled for secondary sealing, which plays a role in temporarily isolating the liquid from the outside air to prevent liquid pollution. However, multiple opening and closing of the ampoule cap cannot ensure that each sealing operation is in place, and liquid pollution may occur due to improper sealing. In addition, after the eye drops are dropped onto the eyelid, they quickly flow off the ocular surface, resulting in low drug bioavailability. SUMMARY

[0003] Based on the above-mentioned defects in the prior art, the purpose of the present application is to provide an atomizing nozzle which can be used with a container storing liquid and is provided with a spraying mechanism capable of dispensing the liquid in the container in the form of fine mist droplets, which has better dispersibility and more uniform distribution, is beneficial to the absorption of the liquid, and through the installation structure provided for assembling with the bottle opening of the container, the assembly is quick and easy to operate, without the need for multiple secondary sealing of the container, thereby reducing the probability of liquid pollution. In addition, by providing a first valve to control the liquid suction amount of the spraying mechanism, the inaccuracy of the liquid suction amount in the liquid storage cavity is avoided, and the inaccuracy of the spraying amount is avoided.

[0004] To this end, the present application provides the following technical solutions.

[0005] The present application provides an atomizing nozzle, which comprises:

[0006] a housing provided with a mounting structure, the bottle opening of a container can be detachably and sealingly connected with the mounting structure from the outside of the housing, and the container is used to store liquid;

[0007] a spraying mechanism comprising a liquid storage cavity and a nozzle;

[0008] a first liquid guide connected with the liquid storage cavity;

[0009] a first valve used to make the first liquid guide and the liquid storage cavity in fluid communication or fluid cutoff;

[0010] When the mounting structure is connected with the container, the first liquid guide is in communication with the container, and when the spraying mechanism sucks liquid, the first valve is opened, the first liquid guide sucks liquid from the container and delivers the liquid into the liquid storage cavity; when the spraying mechanism does not suck liquid, the first valve is closed; when the spraying mechanism sprays, liquid in the liquid storage cavity is sprayed out through the nozzle.

[0011] Optionally, the spraying mechanism and the first liquid guide are respectively installed in the shell.

[0012] Optionally, the mounting structure is annular and is arranged on the first outer side wall of the shell.

[0013] The mounting structure is gradually narrowed in the direction away from the first outer side wall, the mounting structure is inserted into the bottle mouth of the container and the two are in interference fit.

[0014] Optionally, when the spraying mechanism sprays, the spraying mechanism simultaneously sucks liquid, and the liquid currently sucked by the spraying mechanism does not contact the liquid currently used for spraying, and the liquid currently sucked by the spraying mechanism is used for next spraying.

[0015] Optionally, the spraying mechanism comprises a piston movably located in the liquid storage cavity.

[0016] During movement of the piston in the liquid storage cavity, the piston divides the liquid storage cavity to form a first liquid storage chamber and a second liquid storage chamber; the first liquid guide is connected with the first liquid storage chamber through the first valve, and the second liquid storage chamber is in communication with the nozzle.

[0017] The liquid sucked by the first liquid guide from the container is delivered into the first liquid storage chamber, the first liquid storage chamber delivers liquid to the second liquid storage chamber, and the liquid in the second liquid storage chamber is used for spraying by the nozzle.

[0018] When the spraying mechanism sprays, the first liquid storage chamber is not in communication with the second liquid storage chamber.

[0019] Optionally, the spraying mechanism comprises a piston movably located in the liquid storage cavity; the liquid storage cavity comprises a first cavity wall and a second cavity wall arranged apart in the direction away from the first liquid guide, and the first valve is arranged on the first cavity wall.

[0020] When the piston is in the first limit position, it abuts against the first cavity wall, and the first valve is in the closed state under the abutting of the piston.

[0021] When the piston moves towards the second cavity wall to trigger liquid suction, a first liquid storage chamber is formed between the piston and the first cavity wall, and the first liquid guide member sucks liquid from the container, the first valve opens under the extrusion of liquid in the first liquid guide member, and liquid enters the first liquid storage chamber through the first valve.

[0022] Optionally, the spray mechanism further comprises a main body shell, and the liquid storage cavity is arranged on the main body shell.

[0023] A first liquid inlet hole is arranged on the first cavity wall, a side wall of the main body shell towards the first liquid guide member is provided with an assembly opening, the assembly opening is in communication with the first liquid inlet hole, the first valve is installed in the first liquid inlet hole, and the liquid outlet end of the first liquid guide member is connected with the assembly opening.

[0024] Optionally, the number of the first liquid inlet hole, the assembly opening and the first valve is at least two, and they are arranged in one-to-one correspondence; the first liquid guide member has a plurality of branch pipes, and the branch pipes are arranged in one-to-one correspondence with the assembly openings.

[0025] The profile of the liquid storage cavity is cylindrical, and all the first liquid inlet holes are uniformly and evenly distributed along the circumference of the liquid storage cavity.

[0026] Optionally, the spray mechanism further comprises a main body shell, and the liquid storage cavity is arranged on the main body shell; a hollow chamber is formed between the circumferential surface wall of the main body shell and the inner wall of the shell, the circumferential surface wall of the main body shell is provided with a liquid outlet hole and a second liquid inlet hole, and the second liquid inlet hole is installed with a second valve.

[0027] When the piston is in the first limit position, a second liquid storage chamber is formed between the piston and the second cavity wall, and the second liquid storage chamber is in communication with the nozzle.

[0028] When the piston moves towards the second cavity wall to trigger liquid suction, the second valve is in a closed state under the extrusion of the piston, the first liquid storage chamber sucks liquid, and part of the liquid contained in the first liquid storage chamber flows into the hollow chamber through the liquid outlet hole;

[0029] When the piston moves towards the first cavity wall, the first valve is closed under the extrusion of the liquid in the first liquid storage chamber, the remaining liquid in the first liquid storage chamber flows into the hollow chamber through the liquid outlet hole, and the liquid in the hollow chamber drives the second valve to open and enters the second liquid storage chamber.

[0030] When the piston moves towards the second cavity wall to trigger liquid suction, the liquid in the second liquid storage chamber is extruded by the piston and sprayed out through the nozzle, and at the same time, the first liquid guide member sucks liquid from the container and delivers it into the first liquid storage chamber.

[0031] Optionally, there is no liquid in the hollow chamber and the second liquid storage chamber before the atomizing head is used for the first time;

[0032] Optionally, when the first liquid storage chamber is filled with liquid or the spraying mechanism is used up, the piston abuts against the second cavity wall, and the piston is in a second limit position;

[0033] Optionally, the liquid outlet hole is arranged close to the first cavity wall;

[0034] Optionally, the second liquid inlet hole is arranged close to the second cavity wall;

[0035] Optionally, the number of the liquid outlet holes is at least two;

[0036] Optionally, the number of the second liquid inlet holes is at least two.

[0037] Optionally, the atomizing head further comprises a trigger mechanism, which comprises an operating element; the spraying mechanism further comprises a piston rod, which is connected with the piston, and the operating element is linked with the piston rod;

[0038] When the operating element is moved in a first direction under an external force, the operating element can drive the piston rod to move towards the second cavity wall;

[0039] When the operating element is moved in a second direction under an external force, the operating element can drive the piston rod to move towards the first cavity wall, and the first direction is opposite to the second direction.

[0040] Optionally, the rod end of the piston rod extends to the outside of the liquid storage chamber;

[0041] The trigger mechanism further comprises a connecting rod, which is pivoted at both ends with the operating element and the piston rod respectively, and the operating element is linked with the piston rod through the connecting rod.

[0042] Optionally, the operating element is provided with a first pivoting part, the rod end is provided with a second pivoting part, and the connecting rod is pivoted at both ends with the first pivoting part and the second pivoting part respectively;

[0043] Optionally, the number of the trigger mechanisms is at least two, and all the trigger mechanisms are uniformly distributed around the circumference of the piston rod;

[0044] Optionally, the trigger mechanism further comprises an elastic element, when the operating element is moved in a first direction under an external force, the elastic element is compressed by the operating element, and when the external force is removed, the elastic element rebounds to drive the operating element to move in a second direction to an initial position;

[0045] And / or, an outer wall of the shell is provided with a receiving cavity, the operation element is movably installed in the receiving cavity, and one end of the connecting rod extends into the receiving cavity to be pivotally connected with the operation element.

[0046] And / or, a moving direction of the operation element is perpendicular to a moving direction of the piston rod.

[0047] Optionally, a cavity wall of the liquid storage cavity is provided with a first guide structure, and an outer wall of the piston is provided with a second guide structure; the first guide structure and the second guide structure are in sliding fit to guide the piston to move linearly.

[0048] And / or, the spray mechanism further comprises a main body shell, the liquid storage cavity is arranged on the main body shell, the main body shell comprises a first shell wall and a second shell wall which are arranged apart from each other in a direction away from the first liquid guide, the first shell wall is inserted with the first liquid guide, and the second shell wall is inserted with the inner wall of the shell.

[0049] Optionally, the spray mechanism further comprises a main body shell, the liquid storage cavity is arranged on the main body shell; the nozzle comprises a valve core and an atomizing chip, and the valve core is provided with a valve core channel.

[0050] The second shell wall of the main body shell away from the first liquid guide is provided with an annular through hole, the shell is provided with an annular column, the annular column is provided with an air inlet hole, a circumferential outer wall of the valve core is in interference fit with an inner wall of the annular column, one end of the valve core is inserted into the annular through hole, and the atomizing chip is installed in an end port of the valve core channel away from the main body shell.

[0051] Optionally, the annular through hole is provided with a first insertion groove, and a circumferential outer wall of the valve core is provided with a first insertion protrusion, the first insertion protrusion is inserted with the first insertion groove.

[0052] Optionally, the liquid inlet end of the first liquid guide is at least partially inserted into the mounting structure and in interference fit with the mounting structure.

[0053] And / or, the atomizing nozzle further comprises a second liquid guide, one end of the second liquid guide is inserted into the mounting structure and in interference fit with the mounting structure, and the other end of the second liquid guide extends out of the shell to be inserted into the container; when the spray mechanism sucks liquid, the first liquid guide sucks liquid from the container through the second liquid guide.

[0054] The present application has the following technical effects:

[0055] The application provides an atomizing nozzle which can be used in cooperation with a container storing liquid and is provided with a spraying mechanism, so that the liquid in the container can be distributed in the form of fine mist droplets, the distribution is better and more uniform, and the liquid is beneficial to absorption. When the atomizing nozzle is applied to eye drops, compared with conventional medicinal eye drops, the atomizing nozzle sprays the eye drops on the eyes, the fully dispersed eye drops are distributed on the eyeball surface more uniformly, the absorption of the eye drops is more beneficial, and the drug effect is ensured.

[0056] In addition, the atomizing nozzle is provided with a mounting structure for assembling with the bottle opening of the container, so that the mounting structure can be quickly assembled with the mounting structure outside the shell after the bottle cap of the container is opened, the user can use the container in cooperation with the atomizing nozzle without disassembling the atomizing nozzle, the assembly is quick and the operation is simple, and before the use frequency of the container reaches the preset frequency, the container and the atomizing nozzle are always in the assembled state, so that the container is prevented from being sealed for multiple times, the liquid is prevented from contacting air, and the liquid in the container is prevented from being polluted due to improper secondary sealing operation, and the safety of the liquid product is ensured.

[0057] In addition, the atomizing nozzle is provided with a first valve, the first valve is opened when the spraying mechanism sucks liquid, the first valve is closed when the spraying mechanism does not need to suck liquid, the first liquid guide member is prevented from continuously conveying liquid to the liquid storage cavity, or the liquid in the first liquid storage chamber is prevented from flowing back to the liquid storage cavity, the liquid suction amount of the spraying mechanism is controlled, and the spraying amount is prevented from being inaccurate due to inaccurate liquid suction amount in the liquid storage cavity. BRIEF DESCRIPTION OF DRAWINGS

[0058] Figure 1 It is an exploded view of the structure of the atomizing nozzle of the application;

[0059] Figure 2 It is a perspective view of the main body shell of the application Figure 1 ;

[0060] Figure 3 It is a perspective view of the main body shell of the application Figure 2 ;

[0061] Figure 4 It is a sectional view of the structure of the main body shell of the application;

[0062] Figure 5 It is a sectional view of the structure of the shell of the application;

[0063] Figure 6 It is a sectional view of the structure of the atomizing nozzle when the piston is in the first limit position Figure 1 ;

[0064] Figure 7Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 2 ;

[0065] Figure 8 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 1 ;

[0066] Figure 9 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 8 ;

[0067] Figure 10 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 2 ;

[0068] Figure 11 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 1 ;

[0069] Figure 12 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 2 ;

[0070] Figure 13 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 1 ;

[0071] Figure 14 Structure sectional view of the atomizing nozzle when the piston is in the first extreme position Figure 2 .

[0072] BRIEF DESCRIPTION OF DRAWINGS

[0073] 100, atomizing nozzle

[0074] 1, shell; 11, mounting structure; 12, first outer side wall; 13, accommodating cavity; 14, annular column; 141, air inlet hole; 15, second plug-in protrusion

[0075] 2, spray mechanism; 21, main body shell; 211, liquid storage cavity; 2111, first cavity wall; 21111, first liquid inlet hole; 2112, second cavity wall; 2113, first liquid storage chamber; 2114, second liquid storage chamber; 2115, first guide structure; 212, assembly opening; 213, liquid outlet hole; 214, second liquid inlet hole; 215, first shell wall; 216, second shell wall; 2161, annular through hole; 21611, first plug-in slot; 2162, second plug-in slot; 217, through hole; 22, nozzle; 221, valve core; 2211, valve core channel; 2212, first plug-in protrusion; 222, atomizing chip; 231, piston; 2311, second guide structure; 232, piston rod; 2321, rod end; 2322, second pivot part;

[0076] 3, first liquid guide; 31, branch pipe; 32, liquid inlet end;

[0077] 41, first valve; 42, second valve;

[0078] 5, hollow chamber;

[0079] 6, trigger mechanism; 61, operating element; 611, first pivot part; 612, pressing part; 613, mounting column; 62, connecting rod; 63, elastic element; 64, pivot shaft;

[0080] 7, second liquid guide. DETAILED DESCRIPTION

[0081] In order to make the technical solutions and beneficial effects of the present application more obvious and easy to understand, the following will be described in detail by listing specific embodiments. Unless otherwise defined, the technical and scientific terms used herein have the same meaning as the technical and scientific terms in the technical field to which the present application belongs.

[0082] In the description of the present application, unless otherwise explicitly defined, the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of the simplified description of the present application, and do not indicate that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, that is, cannot be understood as a limitation on the present application.

[0083] In the present application, the terms "first", "second" are used only for the purpose of clear description, and cannot be understood as relative importance of the indicated features or the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two; the meaning of "several" is at least one; except for the explicit definition.

[0084] In the present application, unless otherwise explicitly defined, the terms "mounting", "connecting", "connecting", "fixing", "setting" and the like should be understood in a broad sense. For example, "connecting" can be fixed connection, detachable connection or integral molding; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium, can also be the internal communication of two elements or the interaction relationship of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0085] In the present application, unless otherwise explicitly defined, the first feature "on", "over", "above" and "on", "below", "under", "below" or "below" the second feature can be direct contact between the first feature and the second feature, or indirect contact between the first feature and the second feature through intermediate medium. Moreover, the first feature "over", "above" and "on" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than the horizontal height of the second feature. The first feature "under", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than the horizontal height of the second feature.

[0086] The "first direction a" and "second direction b" mentioned in the present application are marked in the drawings. Figure 6

[0087] The atomizing nozzle of the present application will be described in detail below. Figures 1 to 14

[0088] In the present embodiment, as Figure 1 , Figure 4 and Figure 7 ​​As shown, the atomizing nozzle 100 comprises a shell 1, a spraying mechanism 2, a first liquid guide 3 and a first valve 41. The shell 1 is provided with a mounting structure 11, and the bottle opening of a container (not shown in the figure) can be detachably and sealingly connected with the mounting structure 11 from the outside of the shell 1. The structure of the shell 1 is relatively simple, and the processing cost is not high. The shell 1 has a certain structural strength. The mounting structure 11 is arranged on the shell 1, which is convenient for processing and helps to control the cost. The mounting structure 11 has good structural strength and can be stably used with the container. The container is used to store liquid, and the container includes but is not limited to a plastic ampoule, a Schlenk flask and a perfume bottle. The atomizing nozzle 100 can be applied to any product that needs to atomize liquid. The spraying mechanism 2 comprises a liquid storage cavity 211 and a nozzle 22. The first liquid guide 3 is connected with the liquid storage cavity 211. The first valve 41 is used to make the first liquid guide 3 and the liquid storage cavity 211 in fluid communication or fluid cutoff.

[0089] When the atomizing nozzle 100 is used with the container, first open the bottle cap of the container, and then assemble the mounting structure 11 of the atomizing nozzle 100 with the bottle opening of the container. When the mounting structure 11 is connected with the container, the first liquid guide 3 is in communication with the container. When the spraying mechanism 2 sucks liquid, the first valve 41 is opened, the first liquid guide 3 sucks liquid from the container and delivers it to the liquid storage cavity 211. When the spraying mechanism 2 does not suck liquid, the first valve 41 is closed, and the first liquid guide 3 stops delivering liquid to the liquid storage cavity 211. When the spraying mechanism 2 sprays, the liquid in the liquid storage cavity 211 is sprayed out through the nozzle 22.

[0090] In the above technical solution, the atomizing nozzle 100 can be used with a container storing liquid and is provided with a spraying mechanism 2. When used, based on the pressure provided by the spraying mechanism 2, the liquid in the spraying mechanism 2 flows at high speed through the nozzle, forms fine mist droplets and is sprayed out. When the atomizing nozzle 100 is used with a container storing eye liquid, compared with conventional eye drops, the atomizing nozzle 100 sprays the eye liquid on the eye in the form of mist, and the fully dispersed eye liquid covers the surface of the eyeball. The eye liquid is more evenly distributed on the surface of the eyeball, which is more conducive to the absorption of the eye liquid and ensures the drug effect.

[0091] In addition, the mounting structure 11 of the atomizing nozzle 100 is arranged to assemble with the bottle opening of the container. After the bottle cap of the container is opened, the mounting structure 11 can be quickly assembled with the mounting structure 11 from the outside of the shell 1. The user can use the container with the atomizing nozzle 100 without disassembling the atomizing nozzle 100. The assembly is quick and the operation is simple. Before the number of uses of the container reaches the preset number, the container and the atomizing nozzle 100 are always in the assembled state, avoiding multiple secondary sealing of the container, avoiding contact of the liquid with air, and further avoiding pollution of the liquid in the container due to improper secondary sealing operation, and ensuring the safety of the liquid product.

[0092] In addition, the atomizing head 100 of the present solution is provided with a first valve 41, which is opened when the spraying mechanism 2 sucks liquid, and closed when the spraying mechanism 2 does not need to suck liquid, so as to avoid the first liquid guide 3 continuing to deliver liquid to the liquid storage cavity 211, or to avoid the liquid in the first liquid storage chamber 2113 flowing back to the liquid storage cavity 211, thereby controlling the amount of liquid sucked by the spraying mechanism 2, and avoiding inaccurate spraying due to inaccurate amount of liquid sucked in the liquid storage cavity 211.

[0093] In an embodiment, as shown in Figure 6 and Figure 7 , the spraying mechanism 2 and the first liquid guide 3 are respectively installed in the shell 1. Specifically, by providing the shell 1, on the one hand, the spraying mechanism 2 and the first liquid guide 3 are protected from being damaged, and on the other hand, the appearance of the atomizing head 100 is improved. In addition, the structure of the shell 1 is relatively simple, and the processing cost is not high. In addition, the shell 1 has a certain structural strength, and the mounting structure 11 is arranged on the shell 1, which is convenient for processing and helps to control the cost, so as to ensure that the mounting structure 11 has good structural strength and can be stably used with the container.

[0094] In an embodiment, as shown in Figure 5 , the mounting structure 11 is annular, and the specific structure of the mounting structure 11 can be adjusted according to the shape of the bottle mouth of the container. For example, if the cross-sectional outer contour of the bottle mouth of the container is circular, the mounting structure 11 is in the form of a circular ring, and if the cross-sectional outer contour of the bottle mouth of the container is square, the mounting structure 11 is in the form of a square ring. Of course, the shapes of the circumferential outer contour and the circumferential inner contour of the mounting structure 11 can be consistent or inconsistent. The mounting structure 11 is arranged on the first outer side wall 12 of the shell 1, which is convenient for users to check the assembly of the mounting structure 11 and the bottle mouth of the container, so as to ensure that the assembly is in place. In addition, the mounting structure 11 gradually narrows in the direction away from the first outer side wall 12, and the mounting structure 11 is inserted into the bottle mouth of the container and is in interference fit with the bottle mouth of the container. The mounting structure 11 is simple in structure, and the assembly operation of the mounting structure 11 and the container is convenient. Through the interference fit, the sealing property of the mounting structure 11 and the container is ensured. In a specific embodiment, the container is a plastic ampoule, and the plastic ampoule has a certain deformation capacity. The plastic ampoule is slightly inwards contracted by being pressed by the mounting structure 11, so as to further improve the sealing property between the mounting structure 11 and the container.

[0095] In an embodiment, when the spraying mechanism 2 sprays, the spraying mechanism 2 simultaneously sucks liquid, which can shorten the time required for each use, improve the liquid distribution efficiency, and the liquid currently sucked by the spraying mechanism 2 will not contact the liquid currently used for spraying, so as to avoid affecting the spraying dose.

[0096] Further, as shown inFigure 1 , Figures 6 to 14 As shown, the spray mechanism 2 includes a piston 231, which is movably located in the liquid storage chamber 211. Figures 8 to 10 As shown, during the movement of piston 231 in liquid storage chamber 211, the position of piston 231 changes, thus dividing liquid storage chamber 211 to form a first liquid storage chamber 2113 and a second liquid storage chamber 2114. The first liquid guide 3 is connected to the first liquid storage chamber 2113 via a first valve 41, and the second liquid storage chamber 2114 is connected to the nozzle 22. When the spray mechanism 2 draws in liquid, the liquid drawn from the container by the first liquid guide 3 is transported to the first liquid storage chamber 2113. Before spraying, the liquid in the first liquid storage chamber 2113 is transported to the second liquid storage chamber 2114. When the spray mechanism 2 sprays, the first liquid storage chamber 2113 stops supplying liquid to the second liquid storage chamber 2114, and the liquid in the second liquid storage chamber 2114 is used for spraying by the nozzle 22. Furthermore, when the spraying mechanism 2 sprays, the first liquid storage chamber 2113 and the second liquid storage chamber 2114 are not connected. In this way, the liquid currently drawn into the spraying mechanism 2 will not come into contact with the liquid currently being sprayed. That is, while the liquid in the second liquid storage chamber 2114 is being sprayed out through the nozzle 22, the first liquid guide 3 is also delivering liquid to the first liquid storage chamber 2113. However, the liquid drawn into the first liquid storage chamber 2113 will not enter the second liquid storage chamber 2114 to avoid affecting the current spray dosage. At this time, the liquid drawn into the first liquid storage chamber 2113 is used for the next spray.

[0097] In one implementation, such as Figure 4 , Figure 9 and Figure 10 As shown, the liquid storage chamber 211 includes a first chamber wall 2111 and a second chamber wall 2112 that are spaced apart along a direction away from the first liquid guide 3, and the first valve 41 is disposed on the first chamber wall 2111.

[0098] like Figure 4 , Figure 6 and Figure 7 As shown, when piston 231 is in the first extreme position, piston 231 abuts against the first cavity wall 2111, and piston 231 also presses against the first valve 41 provided on the first cavity wall 2111, so that the first valve 41 is in the closed state. The first extreme position is also the initial position of piston 231. Figures 8 to 10As shown, when the piston 231 moves to the second cavity wall 2112 to trigger liquid suction, a first liquid storage chamber 2113 is formed between the piston 231 and the first cavity wall 2111, and as the piston 231 moves, the space of the first liquid storage chamber 2113 gradually increases, the first liquid storage chamber 2113 is in a negative pressure condition, thereby causing the first liquid guide 3 to suck liquid from the container, at the same time, the first valve 41 is opened under the extrusion of the liquid in the first liquid guide 3, the liquid in the first liquid guide 3 enters the first liquid storage chamber 2113 through the first valve 41, and liquid suction is achieved. In this scheme, by limiting the distance of the piston 231 moving to the second cavity wall 2112, the single liquid suction amount of the spray mechanism 2 can be limited. It should be understood that the single liquid suction amount of the spray mechanism 2 refers to the total liquid amount delivered by the first liquid guide 3 to the first liquid storage chamber 2113 when the piston 231 moves towards the second cavity wall 2112 once.

[0099] Further, as shown in Figures 2 to 4 , Figure 7 The spray mechanism 2 further comprises a main body shell 21, and the liquid storage cavity 211 is arranged on the main body shell 21. The first cavity wall 2111 is provided with a first liquid inlet hole 21111, and the side wall of the main body shell 21 facing the first liquid guide 3 is provided with an assembly opening 212. The assembly opening 212 and the first liquid inlet hole 21111 are sequentially arranged along the direction towards the liquid storage cavity 211, and the assembly opening 212 is in communication with the first liquid inlet hole 21111. The first valve 41 is installed in the first liquid inlet hole 21111, and the liquid outlet end of the first liquid guide 3 is connected with the assembly opening 212.

[0100] Further, as shown in Figure 1 , Figure 3 , Figure 4 and Figure 7 The number of the first liquid inlet hole 21111, the assembly opening 212 and the first valve 41 is two, and they are matched one by one; the first liquid guide 3 has two branch pipes 31, and the branch pipes 31 are matched with the assembly openings 212 one by one. In this way, two groups of branch pipes 31 and two first liquid inlet holes 21111 are matched to form two flow channels respectively, and the two flow channels simultaneously deliver liquid to the first liquid storage chamber 2113, which is beneficial to improve the liquid suction speed. The profile of the liquid storage cavity 211 is cylindrical, and all the first liquid inlet holes 21111 are uniformly and spacedly arranged along the circumference of the liquid storage cavity 211, which avoids or reduces the interference of the two flow channels in the process of delivering liquid to the first liquid storage chamber 2113, and is beneficial to accelerate the liquid suction of the spray mechanism 2. It should be understood that the number of the first liquid inlet hole 21111, the assembly opening 212, the first valve 41 and the branch pipe 31 is not limited to two, but can also be one, three or more, and preferably, considering the space limitation of the main body shell 21, the number of the first liquid inlet hole 21111, the assembly opening 212, the first valve 41 and the branch pipe 31 is two.

[0101] In an embodiment, as shown in Figure 6 and Figure 7 , a hollow chamber 5 is formed between the circumferential wall of the main shell 21 and the inner wall of the outer shell 1, the circumferential wall of the main shell 21 is provided with a liquid outlet hole 213 and a second liquid inlet hole 214, and the second liquid inlet hole 214 is provided with a second valve 42. Before the atomizing nozzle 100 is used for the first time, the piston 231 is in the first limit position, and a second liquid storage chamber 2114 is formed between the piston 231 and the second cavity wall 2112, and the second liquid storage chamber 2114 is in communication with the nozzle 22.

[0102] As shown in Figure 4 , Figures 8 to 10 , when the piston 231 moves towards the second cavity wall 2112 to trigger liquid suction, the first valve 41 is opened, the second valve 42 is closed under the extrusion of the piston 231, and under the negative pressure condition of the first liquid storage chamber 2113, the first liquid storage chamber 2113 starts to suck liquid, at this time, since the liquid outlet hole 213 is provided on the main shell 21, in the process of the space of the first liquid storage chamber 2113 gradually increasing, the first liquid storage chamber 2113 is in communication with the liquid outlet hole 213, and part of the liquid contained in the first liquid storage chamber 2113 flows into the hollow chamber 5 through the liquid outlet hole 213, and the liquid suction of the spray mechanism 2 is realized. According to the present scheme, by adjusting the distance that the piston 231 moves towards the second cavity wall 2112 when the spray mechanism 2 sucks liquid, the single liquid suction amount of the spray mechanism 2 can be adjusted. It should be understood that the position of the piston 231 changes due to the movement in the liquid storage chamber 211, thereby forming the first liquid storage chamber 2113 and / or the second liquid storage chamber 2114 in the liquid storage chamber 211, wherein the first liquid storage chamber 2113 is used to store the liquid delivered by the first liquid guide 3, and the second liquid storage chamber 2114 is used to store the liquid to be delivered to the nozzle 22.

[0103] As shown in Figure 4 , Figure 11 and Figure 12 , when the spray mechanism 2 completes liquid suction and the piston 231 moves towards the first cavity wall 2111, the first valve 41 is closed under the extrusion of the liquid in the first liquid storage chamber 2113, the first liquid guide 3 stops delivering liquid to the first liquid storage chamber 2113, and the remaining liquid in the first liquid storage chamber 2113 flows into the hollow chamber 5 through the liquid outlet hole 213 under the extrusion of the piston 231, as the liquid in the hollow chamber 5 increases, the liquid in the hollow chamber 5 starts to extrude the second valve 42, and at this time, the piston 231 moves away from the second valve 42, as shown in Figure 11As shown, after the second valve 42 is separated from the extrusion of the piston 231, it is gradually opened under the extrusion of the liquid in the hollow chamber 5, and then the liquid in the hollow chamber 5 enters the second liquid storage chamber 2114 through the second valve 42, so that the liquid transported by the first liquid guide 3 to the first liquid storage chamber 2113 flows into the hollow chamber 5 and the second liquid storage chamber 2114, until the piston 231 abuts against the first cavity wall 2111, at which time the second liquid storage chamber 2114 is filled with the liquid to be atomized. This process is the metering process of the spray mechanism 2, that is, the metering process of the atomizing nozzle 100, and the amount of liquid entering the second liquid storage chamber 2114 is related to the spray dose of the spray mechanism 2. During the metering process, the first liquid guide 3 cannot transport liquid to the first liquid storage chamber 2113, and the liquid in the first liquid storage chamber 2113 cannot flow back to the first liquid guide 3, so as to ensure the accuracy of the amount of liquid entering the second liquid storage chamber 2114.

[0104] As shown in Figure 4 , Figure 9 and Figure 10 , when the piston 231 moves towards the second cavity wall 2112 to trigger spraying, the liquid in the second liquid storage chamber 2114 is sprayed out through the nozzle 22 under the extrusion of the piston 231. By limiting the distance that the piston 231 moves towards the second cavity wall 2112 when the spray mechanism 2 sprays, the spray dose of the spray mechanism 2 can be accurately controlled. In addition, during spraying, the first liquid guide 3 sucks liquid from the container and transports it to the first liquid storage chamber 2113, and part of the liquid in the first liquid storage chamber 2113 enters the hollow chamber 5 through the liquid outlet hole 213. The spray mechanism 2 of the present scheme can suck liquid at the same time as spraying, thereby shortening the time required for each use, improving the efficiency of drug administration, and under the extrusion of the moving piston 231, the second valve 42 is closed, and the liquid in the hollow chamber 5 cannot enter the second liquid storage chamber 2114, so as to avoid affecting the spray dose. That is, the spray mechanism 2 of the present scheme can realize simultaneous spraying and sucking, and the spraying and sucking do not interfere with each other. The liquid sucked by the spray mechanism 2 will not be used in the current spraying, but will be used in the next spraying process. Compared with the manual extrusion of the plastic ampoule by the user to administer the drug in the prior art, the present scheme can ensure the uniformity of the dose of each administration, regardless of the strength of the user.

[0105] In an embodiment, as shown in Figure 6 , before the atomizing nozzle 100 is used for the first time, there is no liquid in the hollow chamber 5 and the second liquid storage chamber 2114, so as to avoid affecting the spray dose when the atomizing nozzle 100 is used for the first time.

[0106] In an embodiment, as shown in Figure 13 and Figure 14As shown, when the first liquid storage chamber 2113 is filled with liquid or the spraying mechanism 2 is finished with spraying, the piston 231 abuts against the second cavity wall 2112, and the piston 231 is in the second limit position. In this way, the distance between the first cavity wall 2111 and the second cavity wall 2112 is limited, and the volume of the piston 231 is limited, so that the spraying dose of the spraying mechanism 2 can be limited to ensure the accuracy of the dose each time the device is used. Of course, when the piston 231 is in the second limit position, the piston 231 can not abut against the second cavity wall 2112, and a distance can be left between the two, and the movement distance of the piston 231 is limited alone to limit the spraying dose of the spraying mechanism 2.

[0107] In an embodiment, as shown in Figure 4 and Figure 9 The liquid outlet hole 213 is arranged close to the first cavity wall 2111, which is conducive to the liquid in the first liquid storage chamber 2113 quickly passing through the liquid outlet hole 213 and entering the hollow chamber 5, and in the metering process of the spraying mechanism 2, it is also conducive to the liquid in the first liquid storage chamber 2113 entering the hollow chamber 5 as much as possible, avoiding waste of liquid.

[0108] In an embodiment, as shown in Figure 4 and Figure 13 When the spraying mechanism 2 is finished with spraying, the piston 231 abuts against the second cavity wall 2112, and the second liquid inlet hole 214 is arranged close to the second cavity wall 2112, so that in the process of the piston 231 moving towards the first cavity wall 2111 for metering, the second valve 42 can be kept away from the pressing of the piston 231 for a certain period of time to ensure that the liquid in the first liquid storage chamber 2113 can smoothly enter the hollow chamber 5.

[0109] In an embodiment, as shown in Figure 3 and Figure 4 The number of liquid outlet holes 213 is four to ensure that the first liquid storage chamber 2113 can enter the hollow chamber 5 faster. Further, the four liquid outlet holes 213 are uniformly distributed around the circumference of the liquid storage chamber 211, avoiding the distance between adjacent two liquid outlet holes 213 being too close and interfering with the liquid outlet process. Of course, the number of liquid outlet holes 213 is not limited to four, but can also be one, two, three or even more.

[0110] In an embodiment, as shown in Figure 3 and Figure 4As shown, the number of the second liquid inlet holes 214 is two, so as to ensure that the liquid in the hollow chamber 5 can enter the second liquid storage chamber 2114 quickly during the metering process. Since the second liquid inlet holes 214 are provided with the second valve 42, the cost increase caused by the excessive number of the second valve 42 is avoided. Preferably, the number of the second liquid inlet holes 214 is two, and of course, the number of the second liquid inlet holes 214 can be one, three or even more.

[0111] In an embodiment, as shown in Figure 1 and Figure 6 The atomizing nozzle 100 further comprises a trigger mechanism 6, and the trigger mechanism 6 comprises an operating element 61. The spraying mechanism 2 further comprises a piston rod 232 connected with the piston 231, and the operating element 61 is linked with the piston rod 232. As shown in Figure 4 and Figure 6 When the operating element 61 moves in a first direction a under an external force, the operating element 61 can drive the piston rod 232 to move towards the second cavity wall 2112. When the operating element 61 moves in a second direction b under an external force, the operating element 61 can drive the piston rod 232 to move towards the first cavity wall 2111, and the first direction a is opposite to the second direction b. Specifically, the user can operate the trigger mechanism 6 to drive the piston rod 232 to move the piston 231, which is convenient to use.

[0112] Further, as shown in Figure 3 and Figure 6 The main body shell 21 is provided with a through hole 217, and the piston rod 232 is movably connected with the through hole 217 in a sealed manner, and the rod end 2321 of the piston rod 232 extends to the outside of the liquid storage cavity 211. The trigger mechanism 6 further comprises a connecting rod 62, and the two ends of the connecting rod 62 are respectively pivoted with the operating element 61 and the piston rod 232, and the operating element 61 is linked with the piston rod 232 through the connecting rod 62.

[0113] Further, as shown in Figure 1 and Figure 6 The operating element 61 is provided with a first pivoting part 611, and the rod end 2321 is provided with a second pivoting part 2322, and the two ends of the connecting rod 62 are respectively pivoted with the first pivoting part 611 and the second pivoting part 2322. The second pivoting part 2322 can be a separate component or integrally formed on the rod end 2321. Preferably, the second pivoting part 2322 is arranged on the end face of the rod end 2321, so as to facilitate the connecting rod 62 to push the piston rod 232 to move towards the second cavity wall 2112. In a specific embodiment, the two ends of the connecting rod 62 are respectively pivoted with the first pivoting part 611 and the second pivoting part 2322 through a pivoting shaft 64.

[0114] In an embodiment, as shown in Figure 1 and Figure 6As shown, the number of trigger mechanisms 6 is two, and all the trigger mechanisms 6 are evenly spaced around the circumference of the piston rod 232, improving the stability of the trigger performance. Of course, the number of trigger mechanisms 6 can also be three or even more. Preferably, the number of trigger mechanisms 6 is two for the convenience of user operation, and the user can press two trigger elements 61 with two fingers to spray.

[0115] In an embodiment, as shown in Figure 1 and Figure 6 The trigger mechanism 6 further comprises a resilient element 63, which is compressed by the operation element 61 when the operation element 61 is moved in the first direction a under external force, and rebounds to drive the operation element 61 to move in the second direction b to the initial position when the external force is removed. In a specific embodiment, the operation element 61 is a button structure, and the user presses the operation element 61 to move the operation element 61 in the first direction a. Specifically, the operation element 61 further comprises a pressing portion 612, and the first pivot portion 611 is connected to the pressing portion 612. When the atomizing nozzle 100 is used, as shown in Figure 1 、 Figure 9 and Figure 13As shown, the user presses the pressing part 612, the pressing part 612 drives the first pivot part 611 to move along the first direction a, the connecting rod 62 exerts a pushing force on the second pivot part 2322, and at the same time, the circumferential wall of the piston 231 abuts against the cavity wall of the liquid storage cavity 211, so that the connecting rod 62 can drive the piston rod 232 to move the piston 231 towards the second cavity wall 2112, so that the spray mechanism 2 sucks liquid until the piston 231 abuts against the second cavity wall 2112, and the operating element 61 stops moving, and in this process, the elastic element 63 is compressed by the operating element 61. When the user releases the pressing part 612, the elastic element 63 rebounds to drive the pressing part 612 to move along the second direction b, the connecting rod 62 exerts a pulling force on the second pivot part 2322 to drive the piston rod 232 to move the piston 231 towards the first cavity wall 2111, so that the spray mechanism 2 performs a metering process until the piston 231 abuts against the first cavity wall 2111, and the operating element 61 stops moving. When the user presses the pressing part 612 again, the connecting rod 62 exerts a pushing force on the second pivot part 2322 to drive the piston rod 232 to move the piston 231 towards the second cavity wall 2112, so that the spray mechanism 2 sprays, completes a use, and at the same time of spraying, the spray mechanism 2 also sucks liquid for the next use. When the user releases the pressing part 612 again, the elastic element 63 rebounds, and the operating element 61 resets, at this time, the spray mechanism 2 performs a metering process, that is, the remaining liquid in the first liquid storage cavity 2113 enters the hollow cavity 5, and the liquid in the hollow cavity 5 is squeezed into the second liquid storage cavity 2114 for the next spraying. When the atomizing nozzle 100 is used next time, the user presses the operating element 61, and immediately can spray, and at the same time of spraying, sucks liquid, so as to cycle the steps, which is high in drug efficiency and short in waiting time.

[0116] In an embodiment, as shown in Figure 1 、 Figure 5 and Figure 9 , the outer wall of the shell 1 is provided with a containing cavity 13, and the operating element 61 is movably installed in the containing cavity 13, and one end of the connecting rod 62 extends into the containing cavity 13 to be pivoted with the operating element 61, and the operating element 61 is simple in assembly.

[0117] Further, as shown in Figure 1 and Figure 6 , the operating element 61 further includes a mounting column 613, the first pivot part 611 and the pressing part 612 are respectively connected to two ends of the mounting column 613, the cross-sectional size of the pressing part 612 is greater than that of the mounting column 613, the elastic element 63 is sleeved on the outer periphery of the mounting column 613, one end of the elastic element 63 abuts against one end face of the pressing part 612, and the other end abuts against the cavity wall of the containing cavity 13.

[0118] In an embodiment, as shown in Figure 6As shown, the moving direction of the operation element 61 is perpendicular to the moving direction of the piston rod 232.

[0119] In an embodiment, as shown in Figure 1 、 Figure 2 and Figure 4 , the cavity wall of the liquid storage cavity 211 is provided with a first guide structure 2115, and the outer wall of the piston 231 is provided with a second guide structure 2311; the first guide structure 2115 and the second guide structure 2311 are in sliding fit, so as to guide the piston 231 to move linearly and prevent the piston 231 from rotating.

[0120] In an embodiment, as shown in Figures 2 to 4 、 Figure 6 、 Figure 7 , the main body shell 21 comprises a first shell wall 215 and a second shell wall 216 which are spaced apart in the direction away from the first liquid guide 3, the first shell wall 215 is in insertion fit with the first liquid guide 3, and the second shell wall 216 is in insertion fit with the inner wall of the shell 1, so that the opposite two sides of the main body shell 21 are in insertion fit with the shell 1 and the first liquid guide 3 respectively, so as to fix the main body shell 21 in the shell 1, and the assembly is convenient. Specifically, the assembly opening 212 is arranged on the first shell wall 215, the first liquid guide 3 is in insertion fit with the assembly opening 212 and the two are in interference fit, so as to ensure the sealing. The outer surface of the second shell wall 216 is provided with a second insertion slot 2162, and the inner wall of the shell 1 is provided with a second insertion protrusion 15, and the second insertion slot 2162 is in insertion fit with the second insertion protrusion 15.

[0121] In an embodiment, as shown in Figure 1 and Figure 6 , the nozzle 22 comprises a valve core 221 and an atomizing chip 222, and the valve core 221 is provided with a valve core channel 2211. The second shell wall 216 of the main body shell 21 is provided with an annular through hole 2161, the shell 1 is provided with an annular column 14, and the annular column 14 is provided with an air inlet hole 141; the circumferential outer wall of the valve core 221 is in interference fit with the inner wall of the annular column 14, one end of the valve core 221 is in insertion fit with the annular through hole 2161, and the atomizing chip 222 is installed in the one end port of the valve core channel 2211 away from the main body shell 21. When the spraying mechanism 2 sprays, the liquid in the second liquid storage cavity 2114 first enters the valve core channel 2211, then passes through the atomizing chip 222, forms fine droplets of mist, and then sprays out, wherein the atomizing chip 222 is provided with a plurality of holes, and the size of the droplets is controlled by limiting the size of the holes. In the process of spraying of the nozzle 22, the air inlet hole 141 is used to introduce air, and the air can mix with the droplets to increase the shearing force of the droplets, so as to optimize the spraying effect of the droplets.

[0122] Further, as shown in Figure 1 、 Figure 2 、 Figure 4 and Figure 6As shown, the annular through hole 2161 is provided with a first insertion groove 21611, and the peripheral outer wall of the valve core 221 is provided with a first insertion protrusion 2212, the first insertion protrusion 2212 is inserted into the first insertion groove 21611, and the assembly is convenient.

[0123] In an embodiment, as shown in Figure 6 As shown, the liquid inlet end 32 of the first liquid guide 3 is at least partially inserted into the mounting structure 11 and is in interference fit, so that the two ends of the first liquid guide 3 are connected with the mounting structure 11 and the assembly opening 212 on the main body shell 21 respectively, and assembly is achieved.

[0124] In an embodiment, as shown in Figure 1 and Figure 6 As shown, the atomizing nozzle 100 further comprises a second liquid guide 7, one end of the second liquid guide 7 is inserted into the mounting structure 11 and is in interference fit, and the other end of the second liquid guide 7 extends to the outside of the shell 1, for insertion into the container. When the spray mechanism 2 sucks liquid, the first liquid guide 3 sucks liquid from the container through the second liquid guide 7. The scheme adds the second liquid guide 7, according to the height of the container, the second liquid guide 7 is inserted into the lower part of the liquid in the container, so as to use the liquid in the container as much as possible, and avoid waste of liquid. Of course, the second liquid guide 7 can also be directly integrated with the mounting structure 11, so that the atomizing nozzle 100 can be suitable for containers that are compatible with the second liquid guide 7.

[0125] It should be understood that the above embodiments are exemplary and are not intended to include all possible embodiments included in the claims. Various modifications and changes can also be made on the basis of the above embodiments without departing from the scope of the present disclosure. Similarly, any combination of the technical features of the above embodiments can also be made to form additional embodiments of the present application that can not be explicitly described. Therefore, the above embodiments only express several embodiments of the present application, and do not limit the protection scope of the present application.

Claims

1. An atomizing tip, characterized by, The atomizing nozzle (100) comprises: a housing (1) provided with a mounting structure (11), a bottle mouth of a container capable of being detachably and sealingly connected with the mounting structure (11) from outside of the housing (1), the container being used to store liquid; a spraying mechanism (2) comprising a liquid storage cavity (211) and a nozzle (22); a first liquid guide (3) connected with the liquid storage cavity (211); a first valve (41) used to make the first liquid guide (3) in fluid communication or fluid cut-off with the liquid storage cavity (211); wherein, when the mounting structure (11) is in connection with the container, the first liquid guide (3) is in communication with the container, and when the spraying mechanism (2) sucks liquid, the first valve (41) is opened, the first liquid guide (3) sucks liquid from the container and delivers the liquid into the liquid storage cavity (211); when the spraying mechanism (2) does not suck liquid, the first valve (41) is closed; when the spraying mechanism (2) sprays, liquid in the liquid storage cavity (211) is sprayed out through the nozzle (22); when the spraying mechanism (2) sprays, the spraying mechanism (2) simultaneously sucks liquid, and the liquid currently sucked by the spraying mechanism (2) does not contact with liquid currently used for spraying, the liquid currently sucked by the spraying mechanism (2) is used for next spraying.

2. The atomizing tip of claim 1 wherein, The spraying mechanism (2) and the first liquid guide (3) are respectively installed in the housing (1).

3. The atomizing tip of claim 1 wherein, The mounting structure (11) is annular and is arranged on a first outer side wall (12) of the housing (1); The mounting structure (11) is gradually narrowed in a direction away from the first outer side wall (12), the mounting structure (11) is inserted into the bottle mouth of the container and is in interference fit with the bottle mouth.

4. The atomizing tip of claim 1 wherein, The spraying mechanism (2) comprises a piston (231) movably located in the liquid storage cavity (211); During movement of the piston (231) in the liquid storage cavity (211), the piston (231) divides the liquid storage cavity (211) to form a first liquid storage chamber (2113) and a second liquid storage chamber (2114); the first liquid guide (3) is connected with the first liquid storage chamber (2113) through the first valve (41), and the second liquid storage chamber (2114) is in communication with the nozzle (22); Liquid sucked by the first liquid guide (3) from the container is delivered into the first liquid storage chamber (2113), the first liquid storage chamber (2113) delivers liquid to the second liquid storage chamber (2114), and liquid in the second liquid storage chamber (2114) is used for spraying by the nozzle (22); When the spraying mechanism (2) sprays, the first liquid storage chamber (2113) is not in communication with the second liquid storage chamber (2114).

5. The atomizing tip of any of claims 1-4, wherein, The spray mechanism (2) comprises a piston (231) movably located in the liquid storage cavity (211); the liquid storage cavity (211) comprises a first cavity wall (2111) and a second cavity wall (2112) arranged apart in a direction away from the first liquid guide (3), and the first valve (41) is arranged on the first cavity wall (2111); When the piston (231) is in the first limit position, it abuts against the first cavity wall (2111), and the first valve (41) is in a closed state under the pressing of the piston (231); When the piston (231) moves towards the second cavity wall (2112) to trigger liquid suction, a first liquid storage chamber (2113) is formed between the piston (231) and the first cavity wall (2111), the first liquid guide (3) suctions liquid from the container, the first valve (41) is opened under the extrusion of the liquid in the first liquid guide (3), and the liquid enters the first liquid storage chamber (2113) through the first valve (41).

6. The atomizing tip of claim 5 wherein, The spray mechanism (2) further comprises a main body shell (21), and the liquid storage cavity (211) is arranged on the main body shell (21); A first liquid inlet hole (21111) is arranged on the first cavity wall (2111), a fitting opening (212) is arranged on a side surface wall of the main body shell (21) facing the first liquid guide (3), the fitting opening (212) is in communication with the first liquid inlet hole (21111), the first valve (41) is installed in the first liquid inlet hole (21111), and a liquid outlet end of the first liquid guide (3) is connected with the fitting opening (212).

7. The atomizing tip of claim 6 wherein, The number of the first liquid inlet hole (21111), the fitting opening (212) and the first valve (41) is at least two, and they are arranged in one-to-one correspondence; the first liquid guide (3) has a plurality of branch pipes (31), and the branch pipes (31) are arranged in one-to-one correspondence with the fitting openings (212); The liquid storage cavity (211) has a cylindrical shape, and all the first liquid inlet holes (21111) are uniformly and evenly distributed along the circumference of the liquid storage cavity (211).

8. The atomizing tip of claim 5 wherein, The spray mechanism (2) further comprises a main body shell (21), and the liquid storage cavity (211) is arranged on the main body shell (21); a hollow chamber (5) is formed between a circumferential surface wall of the main body shell (21) and an inner wall of the shell (1), the circumferential surface wall of the main body shell (21) is provided with a liquid outlet hole (213) and a second liquid inlet hole (214), and the second liquid inlet hole (214) is installed with a second valve (42); When the piston (231) is in the first limit position, a second liquid storage chamber (2114) is formed between the piston (231) and the second cavity wall (2112), and the second liquid storage chamber (2114) is in communication with the nozzle (22); When the piston (231) moves towards the second cavity wall (2112) to trigger liquid suction, the second valve (42) is closed under the extrusion of the piston (231), the first liquid storage chamber (2113) is filled with liquid and part of the liquid contained therein flows into the hollow chamber (5) through the liquid outlet hole (213); When the piston (231) moves towards the first cavity wall (2111), the first valve (41) is closed under the extrusion of the liquid in the first liquid storage chamber (2113), the remaining liquid in the first liquid storage chamber (2113) flows into the hollow chamber (5) through the liquid outlet hole (213), and drives the liquid in the hollow chamber (5) to open the second valve (42) and enter the second liquid storage chamber (2114); When the piston (231) moves towards the second cavity wall (2112) to trigger spraying, the liquid in the second liquid storage chamber (2114) is sprayed out through the nozzle (22) under the extrusion of the piston (231), and at the same time, the first liquid guide (3) sucks liquid from the container and delivers it into the first liquid storage chamber (2113).

9. The atomizing tip of claim 8 wherein, Before the atomizing nozzle (100) is used for the first time, there is no liquid in the hollow chamber (5) and the second liquid storage chamber (2114); And / or, when the first liquid storage chamber (2113) is filled with liquid or the spraying mechanism (2) finishes spraying, the piston (231) abuts against the second cavity wall (2112), and the piston (231) is in a second limit position; And / or, the liquid outlet hole (213) is arranged close to the first cavity wall (2111); And / or, the second liquid inlet hole (214) is arranged close to the second cavity wall (2112); And / or, the number of the liquid outlet holes (213) is at least two; And / or, the number of the second liquid inlet holes (214) is at least two.

10. The atomizing tip of claim 5 wherein, The atomizing nozzle (100) further comprises a trigger mechanism (6) including an operating element (61); the spraying mechanism (2) further comprises a piston rod (232) connected with the piston (231), and the operating element (61) is linked with the piston rod (232); When the operating element (61) moves in a first direction (a) under an external force, the operating element (61) can drive the piston rod (232) to move towards the second cavity wall (2112); When the operating element (61) moves in a second direction (b) under an external force, the operating element (61) can drive the piston rod (232) to move towards the first cavity wall (2111), and the first direction (a) is opposite to the second direction (b).

11. The atomizing tip of claim 10 wherein, The rod end (2321) of the piston rod (232) extends to the outside of the liquid storage chamber (211). The trigger mechanism (6) further comprises a connecting rod (62), two ends of the connecting rod (62) are respectively pivotally connected with the operating element (61) and the piston rod (232), and the operating element (61) is linked with the piston rod (232) through the connecting rod (62).

12. The atomizing tip of claim 11 wherein, The operating element (61) is provided with a first pivot connection portion (611), the rod end (2321) is provided with a second pivot connection portion (2322), and the two ends of the connecting rod (62) are respectively pivotally connected with the first pivot connection portion (611) and the second pivot connection portion (2322). The number of the trigger mechanisms (6) is at least two, and all the trigger mechanisms (6) are uniformly distributed around the circumference of the piston rod (232). The trigger mechanism (6) further comprises a resilient element (63), when the operating element (61) moves in a first direction (a) under an external force, the resilient element (63) is compressed by the operating element (61), and when the external force is removed, the resilient element (63) rebounds to drive the operating element (61) to move in a second direction (b) to an initial position. The outer wall of the shell (1) is provided with a receiving cavity (13), the operating element (61) is movably installed in the receiving cavity (13), and one end of the connecting rod (62) extends into the receiving cavity (13) to be pivotally connected with the operating element (61). The moving direction of the operating element (61) is perpendicular to the moving direction of the piston rod (232).

13. The atomizing tip of claim 5 wherein, The cavity wall of the liquid storage cavity (211) is provided with a first guide structure (2115), and the outer wall of the piston (231) is provided with a second guide structure (2311); the first guide structure (2115) and the second guide structure (2311) are in sliding fit to guide the piston (231) to move linearly. The spray mechanism (2) further comprises a main body shell (21), the liquid storage cavity (211) is arranged on the main body shell (21), and the main body shell (21) comprises a first shell wall (215) and a second shell wall (216) which are arranged in a spaced manner in a direction away from the first liquid guide (3), the first shell wall (215) is inserted with the first liquid guide (3), and the second shell wall (216) is inserted with the inner wall of the shell (1).

14. The atomizing tip of claim 5 wherein, The spray mechanism (2) further comprises a main body shell (21), the liquid storage cavity (211) is arranged on the main body shell (21); the nozzle (22) comprises a valve core (221) and an atomizing chip (222), and the valve core (221) is provided with a valve core channel (2211). The second shell wall (216) of the main body shell (21) facing away from the first liquid guide (3) is provided with an annular through hole (2161), the outer shell (1) is provided with an annular column (14), the annular column (14) is provided with an air inlet hole (141); the circumferential outer wall of the valve core (221) is interference fit with the inner wall of the annular column (14), one end of the valve core (221) is inserted into the annular through hole (2161), and the atomization chip (222) is installed in the end port of the valve core passage (2211) facing away from the main body shell (21).

15. The atomizing tip of claim 14 wherein, The annular through hole (2161) is provided with a first insertion groove (21611), and the circumferential outer wall of the valve core (221) is provided with a first insertion protrusion (2212), the first insertion protrusion (2212) is inserted into the first insertion groove (21611).

16. The atomizing tip of claim 5 wherein, The liquid inlet end (32) of the first liquid guide (3) is at least partially inserted into the mounting structure (11) and interference fit with the mounting structure (11); And / or, the atomizing nozzle (100) further comprises a second liquid guide (7), one end of the second liquid guide (7) is inserted into the mounting structure (11) and interference fit with the mounting structure (11), and the other end of the second liquid guide (7) extends to the outside of the outer shell (1) for insertion into the container; when the spray mechanism (2) sucks liquid, the first liquid guide (3) sucks liquid from the container through the second liquid guide (7).

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