CN216124983U

CN216124983U - Electronic atomization device and medical electronic atomizer

Info

Publication number: CN216124983U
Application number: CN202120564218.5U
Authority: CN
Inventors: 彭世键
Original assignee: Shenzhen Aiyi Technology Research Co Ltd
Current assignee: Shenzhen Aiyi Technology Research Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-03-25
Anticipated expiration: 2031-03-18

Abstract

The application provides an electronic atomization device and a medical electronic atomizer. The electronic atomization device comprises a medicine cup and a bottom sealing assembly; the medicine cup comprises a cup body and a central air pipe which are mutually connected, and the central air pipe is positioned in the cup body; the part of the bottom sealing component is rotatably arranged between the cup body and the central air pipe, and a liquid storage bin is formed among the bottom sealing component, the cup body and the central air pipe; the feed liquor hole has been seted up to central trachea, and the back cover subassembly is used for sheltering from the feed liquor hole, and the back cover subassembly has the feed liquor space, and the feed liquor space communicates with the stock solution storehouse, and the feed liquor space sets up with the feed liquor hole dislocation. When the liquid medicine atomizing device is used, the medicine cup is rotated to enable the liquid inlet hole to be communicated with the liquid inlet space, so that liquid medicine in the liquid storage bin enters the atomizing bin; when the liquid storage device is not used, the medicine cup is rotated again, so that the liquid inlet hole and the liquid inlet space are staggered again, the liquid inlet hole is blocked by the bottom sealing assembly, and the liquid inlet space is blocked by the central air pipe, so that liquid medicine is sealed in the liquid storage bin, and the liquid leakage probability is reduced.

Description

Electronic atomization device and medical electronic atomizer

Technical Field

The utility model relates to the technical field of medical atomizers, in particular to an electronic atomizer and a medical electronic atomizer.

Background

With the development of medical atomization technology, more and more liquid medicines form tiny colloidal particles in an atomization mode, namely medical medicine mist, and the medical medicine mist has the advantages of being small in size, good in absorption effect, high in absorption speed and the like, gradually becomes a treatment means for quickly relieving physiological pain of a user, and especially plays a good auxiliary treatment role in treatment of respiratory tract diseases, otolaryngology diseases and brain diseases. The medical liquid medicine is stored in the traditional medical atomizer, and a user can heat and atomize the medical liquid medicine into medicine mist only after being electrified, so that the medical atomizer is convenient to use.

However, when the conventional medical vaporizer is not used, the liquid medicine may leak along the sidewall of the airflow conduction path, which may increase the leakage rate of the conventional medical vaporizer, and the liquid medicine in the medical vaporizer may react with substances in the external environment, which may decrease the effective components of the liquid medicine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an electronic atomization device and a medical electronic atomizer, which can reduce the liquid leakage probability.

The purpose of the utility model is realized by the following technical scheme:

an electronic atomization device comprises a medicine cup and a bottom sealing assembly; the medicine cup comprises a cup body and a central air pipe which are connected with each other, the central air pipe is positioned in the cup body, the inner part of the central air pipe is communicated with the outer part of the cup body, the central air pipe is provided with an atomization bin, and the atomization bin is used for accommodating an atomization heating element; part of the bottom sealing assembly is rotatably arranged between the cup body and the central air pipe, a liquid storage bin is formed among the bottom sealing assembly, the cup body and the central air pipe, and the liquid storage bin is used for storing liquid medicine; feed liquor hole has been seted up to central trachea, the back cover subassembly is used for sheltering from the feed liquor hole, the back cover subassembly has the feed liquor space, the feed liquor space with stock solution storehouse intercommunication, the feed liquor space with feed liquor hole dislocation set to the messenger when not using the feed liquor hole with the feed liquor space is isolated.

In one embodiment, the bottom sealing assembly comprises a bottom cover and a sealing ring which are clamped with each other, at least part of the sealing ring is clamped in the liquid storage bin, part of the central air pipe is contained in the sealing ring, the bottom cover is provided with an air inlet hole, the air inlet hole is communicated with the inside of the central air pipe, the bottom cover and the cup body are arranged in a relative rotating mode, and the bottom cover is sleeved with the cup body.

In one embodiment, the electronic atomization device further comprises a first clamping protrusion, at least one of the bottom cover and the cup body is connected with the first clamping protrusion, a first clamping groove is formed in at least one of the bottom cover and the cup body, the opening direction of the first clamping groove is perpendicular to the central axis of the central air pipe, and the first clamping protrusion is slidably arranged in the first clamping groove.

In one embodiment, the bottom sealing assembly further comprises a control main board and an electrode column, the control main board and the electrode column are electrically connected with each other, the control main board and the electrode column are arranged in the bottom cover, the control main board is used for providing current for the atomizing heating element, the bottom cover is provided with a pole hole, the electrode column penetrates through the pole hole, and the electrode column is used for being connected with an external power supply.

In one embodiment, the back cover assembly further comprises a supporting piece sleeved with the sealing ring, the supporting piece is located between the sealing ring and the control main board, the control main board is provided with a clamping space, and part of the supporting piece is clamped in the clamping space.

In one embodiment, the bottom sealing assembly further includes a screw member, the bottom cover defines a first screw hole, the support defines a second screw hole, and the screw member is respectively inserted into the first screw hole and the second screw hole.

In one embodiment, the electronic atomization device further comprises a second clamping protrusion, the second clamping protrusion is connected with the bottom cover, a second clamping groove is formed in at least one of the control main board and the support piece, the opening direction of the second clamping groove is perpendicular to the central axis of the central air pipe, and the second clamping protrusion is clamped in the second clamping groove.

In one embodiment, the sealing ring includes a ring body and a third engaging protrusion, the ring body is engaged with the liquid storage chamber, the ring body has an accommodating groove, a portion of the supporting member is accommodated in the accommodating groove, the supporting member has a third engaging groove, an opening direction of the third engaging groove is perpendicular to a central axis of the central air tube, and the third engaging protrusion is engaged with the third engaging groove.

In one embodiment, the support member includes a support body and a fourth clamping protrusion that are connected to each other, the support body is connected to the control main board, the ring body is further provided with a fourth clamping groove communicated with the accommodating groove, and the fourth clamping protrusion is clamped in the fourth clamping groove.

A medical electronic atomizer comprises the electronic atomization device in any one of the embodiments.

Compared with the prior art, the utility model has at least the following advantages:

when the liquid medicine atomizing device is used, the medicine cup is rotated to enable the liquid inlet hole to be communicated with the liquid inlet space, so that liquid medicine in the liquid storage bin enters the atomizing bin; when the liquid storage device is not used, the medicine cup is rotated again, so that the liquid inlet hole and the liquid inlet space are staggered again, the liquid inlet hole is blocked by the bottom sealing assembly, and the liquid inlet space is blocked by the central air pipe, so that liquid medicine is sealed in the liquid storage bin, and the liquid leakage probability is reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic diagram of an electronic atomizer according to an embodiment;

FIG. 2 is a cross-sectional view of the electronic atomizer device of FIG. 1 taken along the line A-A;

FIG. 3 is a cross-sectional view of the electronic atomizer shown in FIG. 1 taken along the line B-B;

FIG. 4 is an exploded view of the electronic atomizer shown in FIG. 1;

FIG. 5 is an exploded view of the electronic atomizer shown in FIG. 1 from another perspective;

fig. 6 is an enlarged schematic view of the electronic atomizer shown in fig. 2 at a 1.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The utility model relates to an electronic atomization device. In one embodiment, the electronic atomizer comprises a medicine cup and a back cover component. The medicine cup comprises a cup body and a central air pipe which are connected with each other. The central air pipe is positioned in the cup body, the inner part of the central air pipe is communicated with the outer part of the cup body, and the central air pipe is provided with an atomization bin. The atomizing storehouse is used for accommodating atomizing heating member. The partial rotation of back cover subassembly set up in the cup and between the central trachea, back cover subassembly with the cup and form the stock solution storehouse between the central trachea. The liquid storage bin is used for storing liquid medicine. The central air pipe is provided with a liquid inlet hole. The back cover subassembly is used for sheltering from the feed liquor hole, the back cover subassembly has the feed liquor space. The feed liquor space with stock solution storehouse intercommunication, the feed liquor space with feed liquor hole dislocation set to make when not using the feed liquor hole with the feed liquor space is isolated. When the liquid medicine atomizing device is used, the medicine cup is rotated to enable the liquid inlet hole to be communicated with the liquid inlet space, so that liquid medicine in the liquid storage bin enters the atomizing bin; when the liquid storage device is not used, the medicine cup is rotated again, so that the liquid inlet hole and the liquid inlet space are staggered again, the liquid inlet hole is blocked by the bottom sealing assembly, and the liquid inlet space is blocked by the central air pipe, so that liquid medicine is sealed in the liquid storage bin, and the liquid leakage probability is reduced.

Please refer to fig. 1, which is a schematic structural diagram of an electronic atomization device according to an embodiment of the present invention.

The electronic atomizer 10 of an embodiment includes a medicine cup 100 and a back cover assembly 200. Referring to fig. 2, the cup 100 includes a cup body 110 and a central air tube 120 connected to each other. The central air pipe 120 is located in the cup body 110, the inner portion of the central air pipe 120 is communicated with the outer portion of the cup body 110, and the central air pipe 120 is provided with an atomization bin 122. The atomization bin 122 is used for accommodating an atomization heating element. The bottom sealing assembly 200 is partially rotatably disposed between the cup body 110 and the central air tube 120, and a liquid storage chamber 130 is formed between the bottom sealing assembly 200 and the cup body 110 and the central air tube 120. The reservoir 130 is used for storing liquid medicine. The central air pipe 120 is provided with an inlet hole 124. The bottom sealing assembly 200 is used for shielding the liquid inlet hole 124. Referring also to fig. 3, the back cover assembly 200 has a liquid inlet space 210. The feed liquor space 210 with stock solution storehouse 130 intercommunication, feed liquor space 210 with feed liquor hole 124 dislocation set to the messenger when not using the feed liquor hole with the feed liquor space is isolated.

In this embodiment, when it is needed, the cup 100 is rotated to connect the liquid inlet hole 124 with the liquid inlet space 210, so that the liquid medicine in the liquid storage chamber 130 enters the atomization chamber 122; when the medicine cup is not used, the medicine cup 100 is rotated again, so that the liquid inlet hole 124 and the liquid inlet space 210 are staggered again, the liquid inlet hole 124 is blocked by the bottom sealing assembly 200, the liquid inlet space 210 is blocked by the central air pipe 120, and therefore liquid medicine is sealed in the liquid storage bin 130, and the liquid leakage probability is reduced. In addition, in this embodiment, the medicine cup rotates with the central axis of the central air tube as a rotation axis, for example, the medicine cup rotates with its own central axis as an axis, so that the back cover assembly rotates with its own central axis as a central axis with respect to the medicine cup. The feed liquor space does breach on the back cover subassembly, the opening orientation of this breach central trachea sets up, is convenient for when the medicine cup rotates, the feed liquor hole forms the drain passageway with this breach, makes liquid medicine in the stock solution storehouse gets into in the atomizing storehouse to atomizing into the medicine fog on the atomizing heating member. In another embodiment, the liquid inlet space may also be a liquid inlet guide hole formed in the back cover assembly, the liquid inlet guide hole penetrates through the back cover assembly, one opening of the liquid inlet guide hole is communicated with the liquid storage bin, the other opening of the liquid inlet guide hole faces the central air pipe and is shielded by the outer wall of the central air pipe, and the liquid inlet hole is communicated with the liquid inlet guide hole only after the medicine cup is rotated to a specified position. To other feed liquor spaces that run through the back cover subassembly, only need to ensure to realize after rotating the medicine cup that the central trachea can shelter from the drain route in feed liquor space can, here no longer gives details.

In one embodiment, referring to fig. 3, the bottom sealing assembly 200 includes a bottom cover 220 and a sealing ring 230 clamped to each other, at least a portion of the sealing ring 230 is clamped in the liquid storage bin 130, a portion of the central air tube 120 is accommodated in the sealing ring 230, the bottom cover 220 is provided with an air inlet hole 222, the air inlet hole 222 is communicated with the inside of the central air tube 120, the bottom cover 220 and the cup body 110 are relatively rotatably disposed, and the bottom cover 220 is sleeved with the cup body 110. In this embodiment, the bottom cap 220 seals the bottom of the medicine cup 100, that is, the bottom cap 220 seals the openings of the cup body 110 and the central air tube 120, and at least a portion of the sealing ring 230 is clamped in the storage chamber 130, and the bottom cap 220 seals the sealing ring 230 in the medicine cup 100. The air inlet hole 222 is communicated with the inside of the central air tube 120, so as to guide the external air flow to the central air tube 120, thereby bringing out the atomized medicine mist in the atomization chamber 122. In addition, the bottom cover 220 is sleeved on the cup body 110, the bottom cover 220 can rotate relative to the cup body 110, so that the bottom cover 220 and the cup body 110 can rotate relatively, when the cup body 110 rotates, the central air pipe 120 is driven to rotate, the relative position between the liquid inlet hole 124 and the liquid inlet space 210 is adjusted, the working mode of the electronic atomization device is changed conveniently, and the on-off state between the liquid storage bin 130 and the atomization bin 122 can be changed by rotating the medicine cup 100.

Further, referring to fig. 4, the electronic atomization device 10 further includes a first clamping protrusion 300, at least one of the bottom cover 220 and the cup body 110 is connected to the first clamping protrusion 300, at least one of the bottom cover 220 and the cup body 110 is provided with a first clamping groove 112, an opening direction of the first clamping groove 112 is perpendicular to a central axis of the central air tube 120, and the first clamping protrusion 300 is slidably disposed in the first clamping groove 112. In this embodiment, the first clamping protrusion 300 is disposed on the inner wall of the bottom cover 220, and the first clamping groove 112 is disposed on the outer wall of the cup body 110. Medicine cup 100 rotates, first joint is protruding 300 is in slide in first joint groove 112, make first joint protruding 300 not only with cup 110 joint, moreover, first joint is protruding 300 has restricted cup 110 is along being on a parallel with the ascending removal of central axis direction of central air pipe 120 has improved medicine cup 100 with connection stability between bottom 220 has reduced medicine cup 100 is followed when rotating the probability that breaks away from on the bottom 220.

Further, referring to fig. 4, the bottom sealing assembly 200 further includes a control main board 240 and an electrode pillar 250 electrically connected to each other, the control main board 240 and the electrode pillar 250 are disposed in the bottom cover 220, the control main board 240 is configured to provide current to the atomizing heating element, the bottom cover 220 is provided with a pillar hole 224, the electrode pillar 250 is disposed in the pillar hole 224, and the electrode pillar 250 is configured to be connected to an external power source. In this embodiment, the electrode column 250 is connected with external power supply, for the control mainboard 240 and the atomizing heating member supplies power, the control mainboard 240 is used for controlling the electrode column 250 to the current path of the atomizing heating member realizes right the current on-off control of the atomizing heating member. The electrode column 250 is welded on the control main board 240, the electrode column 250 is located in the electrode column hole 224, the electrode column 250 is located on one surface of the control main board 240 close to the bottom cover 220, namely, the opening of the electrode column hole 224 faces the control main board 240, namely, the central axis of the electrode column 250 is parallel to the central axis of the central air pipe 120, but is not on the same straight line, and the electrode column 250 and the central air pipe are maintained to be arranged in a staggered manner. Thus, when the medicine cup 100 rotates, the control main board 240 is clamped on the bottom cover 220 through the electrode posts 250, so that the moving tendency of the control main board 240 on the bottom cover 220 is reduced, that is, the rotating amplitude of the control main board 240 on a plane perpendicular to the central axis of the central air tube 120 is reduced, the stability of the relative position between the control main board 240 and the bottom cover 220 is improved, and it is ensured that the control main board 240 and the bottom cover 220 are kept relatively stationary when the medicine cup 100 rotates.

Still further, referring to fig. 4, the back cover assembly 200 further includes a supporting member 260 sleeved with the sealing ring 230, the supporting member 260 is located between the sealing ring 230 and the control motherboard 240, the control motherboard 240 is provided with a clamping space 242, and a part of the supporting member 260 is clamped in the clamping space 242. In this embodiment, the supporting element 260 separates the sealing ring 230 from the control main plate 240, so that the atomizing heating element in the atomizing chamber 122 is separated from the control main plate 240, and the liquid medicine in the atomizing chamber 122 is prevented from dropping on the bottom cover 220, thereby preventing the liquid medicine from leaking through the air inlet hole 222. Moreover, the clamping space 242 is located on the control main board 240, so that the supporting member 260 is conveniently clamped on the control main board 240, and the supporting member 260 is stably clamped on the bottom cover 220 through the control main board 240, so that the moving tendency of the supporting member 260 on the bottom cover 220 is reduced, that is, the rotating amplitude of the supporting member 260 on a plane perpendicular to the central axis of the central air tube 120 is reduced, the stability of the relative position between the supporting member 260 and the bottom cover 220 is improved, and the supporting member 260 and the bottom cover 220 are ensured to be kept relatively still when the medicine cup 100 rotates.

Still further, referring to fig. 2, the bottom sealing assembly 200 further includes a screw member 270, the bottom cover 220 has a first screw hole 226, the supporting member 260 has a second screw hole 262, and the screw member 270 is respectively inserted into the first screw hole 226 and the second screw hole 262. In this embodiment, the screw member 270 sequentially passes through the first screw hole 226 and the second screw hole 262, the screw member 270 is respectively clamped in the first screw hole 226 and the second screw hole 262, and the screw member 270 fixes the supporting member 260 on the bottom cover 220. The opening directions of the first screw hole 226 and the second screw hole 262 are both parallel to the central axis of the central air tube 120, but not on the same straight line, so that the central axis of the screw member 270 is parallel to the central axis of the central air tube 120. Thus, when the medicine cup 100 rotates, the supporting member 260 is fixed to the bottom cap 220 by the screw 270, so that the rotation range of the supporting member 260 on a plane perpendicular to the central axis of the central air tube 120 is further reduced, and the stability of the relative position between the supporting member 260 and the bottom cap 220 is further improved.

Still further, please refer to fig. 5, the electronic atomization device 10 further includes a second clamping protrusion 400, the second clamping protrusion 400 is connected to the bottom cover 220, at least one of the control main board 240 and the support member 260 is provided with a second clamping groove 264, an opening direction of the second clamping groove 264 is perpendicular to a central axis of the central air tube 120, and the second clamping protrusion 400 is clamped in the second clamping groove 264. In this embodiment, the second clamping protrusion 400 is connected to the inner wall of the bottom cover 220, the second clamping groove 264 is located at the edges of the control main board 240 and the supporting member 260, and the control main board 240 and the supporting member 260 are contained in the bottom cover 220. Protruding 400 of second joint is along the inner wall extension of bottom 220, just the extension direction of the protruding 400 of second joint is close to control mainboard 240 makes when medicine cup 100 rotates, the protruding 400 stable card of second joint is located in second joint groove 264, bottom 220 passes through the protruding 400 of second joint with control mainboard 240 and the stable joint of support piece 260 has reduced control mainboard 240 and support piece 260 is at the perpendicular to the range of rotating on the plane of the axis of central air pipe 120 has improved control mainboard 240 and support piece 260 with relative position's between the bottom 220 stability has ensured when medicine cup 100 rotates, control mainboard 240 with support piece 260 with bottom 220 keeps relative stillness.

Still further, referring to fig. 4 and fig. 5, the sealing ring 230 includes a ring body 232 and a third engaging protrusion 234, the ring body 232 is engaged in the liquid storage bin 130, the ring body 232 is provided with an accommodating groove 2322, a portion of the supporting member 260 is accommodated in the accommodating groove 2322, the supporting member 260 is provided with a third engaging groove 266, an opening direction of the third engaging groove 266 is perpendicular to a central axis of the central air tube 120, and the third engaging protrusion 234 is engaged in the third engaging groove 266. In this embodiment, the supporting member 260 is clamped with the ring body 232 through the receiving groove 2322, so that the connection area between the sealing ring 230 and the supporting member 260 is increased, and the connection strength between the sealing ring 230 and the supporting member 260 is improved. In order to further improve the connection strength between the sealing ring 230 and the supporting member 260, the third engaging protrusion 234 is received in the third engaging groove 266, that is, the third engaging protrusion 234 is engaged in the third engaging groove 266, and the opening direction of the third engaging groove 266 is perpendicular to the central axis of the central air tube 120, so that the ring 232 is engaged with the supporting member 260 through the third engaging protrusion 234, so that the supporting member 260 is stably engaged with the ring 232, the rotation range of the sealing ring 230 on a plane perpendicular to the central axis of the central air tube 120 is reduced, the stability of the relative position between the sealing ring 230 and the bottom cover 220 is improved, and the sealing ring 230 and the bottom cover 220 are ensured to be kept relatively stationary when the medicine cup 100 rotates. Wherein, the liquid inlet space 210 is opened on the sealing ring 230, the air current path passes through the middle part of sealing ring, that is the middle part of sealing ring is hollowed out, for example, the liquid inlet space is opened on the ring body.

Still further, referring to fig. 2 and fig. 6, the supporting member 260 includes a supporting body 268 and a fourth clamping protrusion 269, the supporting body 268 is connected to the control main board 240, the ring body 232 is further provided with a fourth clamping groove 2324 communicated with the accommodating groove 2322, and the fourth clamping protrusion 269 is clamped in the fourth clamping groove 2324. In this embodiment, the fourth clamping protrusion 269 is located on the outer wall of the supporting body 268, and the fourth clamping groove 2324 is used as a clamping groove in the ring body 232. When the supporting member 260 is connected to the sealing ring 230, that is, when the supporting body 268 is partially received in the receiving groove 2322, the fourth clamping protrusion 269 slides along the inner wall of the receiving groove 2322 and finally slides into the fourth clamping groove 2324, so that the supporting member 260 is stably clamped on the sealing ring 230, the shaking tendency of the supporting member 260 on the central axis parallel to the central air tube 120 is reduced, the shaking amplitude between the supporting member 260 and the sealing ring 230 is reduced, the connection strength between the supporting member 260 and the sealing ring 230 is further improved, and the probability that the supporting member 260 is separated from the sealing ring 230 is further reduced.

The application also provides a medical electronic atomizer which comprises the electronic atomization device in any one of the embodiments. In this embodiment, the electronic atomization device includes a medicine cup and a back cover assembly. The medicine cup comprises a cup body and a central air pipe which are connected with each other. The central air pipe is positioned in the cup body, the inner part of the central air pipe is communicated with the outer part of the cup body, and the central air pipe is provided with an atomization bin. The atomizing storehouse is used for accommodating atomizing heating member. The partial rotation of back cover subassembly set up in the cup and between the central trachea, back cover subassembly with the cup and form the stock solution storehouse between the central trachea. The liquid storage bin is used for storing liquid medicine. The central air pipe is provided with a liquid inlet hole. The back cover subassembly is used for sheltering from the feed liquor hole, the back cover subassembly has the feed liquor space. The liquid inlet space is communicated with the liquid storage bin, and the liquid inlet space and the liquid inlet hole are arranged in a staggered mode. When the liquid medicine atomizing device is used, the medicine cup is rotated to enable the liquid inlet hole to be communicated with the liquid inlet space, so that liquid medicine in the liquid storage bin enters the atomizing bin; when the medical electronic atomizer is not used, the medicine cup is rotated again, so that the liquid inlet hole and the liquid inlet space are staggered again, the liquid inlet hole is blocked by the bottom sealing assembly, and the liquid inlet space is blocked by the central air pipe, so that liquid medicine is sealed in the liquid storage bin, and the liquid leakage probability of the medical electronic atomizer is reduced.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An electronic atomization device, comprising:

the medicine cup comprises a cup body and a central air pipe which are mutually connected, the central air pipe is positioned in the cup body, the inner part of the central air pipe is communicated with the outer part of the cup body, the central air pipe is provided with an atomization bin, and the atomization bin is used for accommodating an atomization heating element;

the part of the bottom sealing assembly is rotatably arranged between the cup body and the central air pipe, a liquid storage bin is formed among the bottom sealing assembly, the cup body and the central air pipe, and the liquid storage bin is used for storing liquid medicine; the central air pipe is provided with a liquid inlet hole, the back cover assembly is used for shielding the liquid inlet hole, the back cover assembly is provided with a liquid inlet space, the liquid inlet space is communicated with the liquid storage bin, and the liquid inlet space and the liquid inlet hole are arranged in a staggered mode so that the liquid inlet hole is isolated from the liquid inlet space when the central air pipe is not used; the bottom sealing assembly comprises a bottom cover and a sealing ring which are clamped with each other, at least part of the sealing ring is clamped in the liquid storage bin, the central air pipe is accommodated in the sealing ring, an air inlet hole is formed in the bottom cover and communicated with the inside of the central air pipe, the bottom cover and the cup body are arranged in a relative rotating mode, and the bottom cover is sleeved with the cup body.

2. The electronic atomization device of claim 1, further comprising a first clamping protrusion, wherein at least one of the bottom cover and the cup body is connected to the first clamping protrusion, at least one of the bottom cover and the cup body is provided with a first clamping groove, an opening direction of the first clamping groove is perpendicular to a central axis of the central air tube, and the first clamping protrusion is slidably disposed in the first clamping groove.

3. The electronic atomizer according to claim 1, wherein said bottom sealing assembly further comprises a control board and an electrode post electrically connected to each other, said control board and said electrode post are disposed in said bottom cover, said control board is used for providing current to the atomizing heating element, said bottom cover is provided with a post hole, said electrode post is inserted into said post hole, and said electrode post is used for connecting to an external power source.

4. The electronic atomization device of claim 3, wherein the back cover assembly further comprises a support piece sleeved with the sealing ring, the support piece is located between the sealing ring and the control main board, the control main board is provided with a clamping space, and part of the support piece is clamped in the clamping space.

5. The electronic atomizer device according to claim 4, wherein the bottom cover assembly further comprises a screw member, the bottom cover defines a first screw hole, the support member defines a second screw hole, and the screw member is respectively inserted into the first screw hole and the second screw hole.

6. The electronic atomization device of claim 4, further comprising a second clamping protrusion, the second clamping protrusion is connected with the bottom cover, at least one of the control main board and the support member is provided with a second clamping groove, an opening direction of the second clamping groove is perpendicular to a central axis of the central air pipe, and the second clamping protrusion is clamped in the second clamping groove.

7. The electronic atomizing device according to claim 4, wherein the sealing ring includes a ring body and a third engaging protrusion connected to each other, the ring body is engaged with the liquid storage chamber, the ring body defines an accommodating groove, a portion of the supporting member is accommodated in the accommodating groove, the supporting member defines a third engaging groove, an opening direction of the third engaging groove is perpendicular to the central axis of the central air tube, and the third engaging protrusion is engaged with the third engaging groove.

8. The electronic atomizing device of claim 7, wherein the supporting member includes a supporting body and a fourth clamping protrusion connected to each other, the supporting body is connected to the control main board, the ring body further defines a fourth clamping groove communicated with the accommodating groove, and the fourth clamping protrusion is clamped in the fourth clamping groove.

9. An electronic medical atomizer, comprising an electronic atomizing device according to any one of claims 1 to 8.