CN211382941U - Fragrance machine - Google Patents
Fragrance machine Download PDFInfo
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- CN211382941U CN211382941U CN201921588364.0U CN201921588364U CN211382941U CN 211382941 U CN211382941 U CN 211382941U CN 201921588364 U CN201921588364 U CN 201921588364U CN 211382941 U CN211382941 U CN 211382941U
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Abstract
The utility model discloses a fragrance machine, which comprises a shell, wherein a sealing cavity and an installation cavity are arranged in the shell, and a fixed sleeve is arranged at the opening end of the sealing cavity; an atomizing head is arranged in the fixed sleeve, a guide sleeve is arranged between the atomizing head and the shell, a sealing ring is arranged between the guide sleeve and the atomizing head, a container is arranged in the sealing cavity, and the opening end of the container is connected with the atomizing head. Its overall structure is simple, and it need not the counterpoint during the operation, and essential oil is changed conveniently, owing to need not counterpoint, has avoided traditional fragrant atmosphere machine counterpoint trouble to cause machine work and atomizing system does not actually have the problem of work, and is energy-concerving and environment-protective, therefore also need not to carry out special training to operating personnel and can accomplish the change of essential oil rapidly, and the cost of labor is low.
Description
Technical Field
The utility model belongs to the technical field of fragrant atmosphere machine, concretely relates to need not counterpoint, essential oil and change convenience, energy-concerving and environment-protective, artifical maintenance cost low and simple structure's fragrant atmosphere machine.
Background
At present, because of the structural relationship and the limitation of a manufacturing process, the essential oil is very inconvenient to replace, the whole replacement process is complex, and because the air passages are high in tightness, aiming at the requirements, one-to-one air passages are often adopted for carrying out alignment operation, if the alignment operation is not skilled, the machine is usually operated but the atomization system does not work actually, and the energy waste is caused, so that the operation can be operated and used skillfully only by carrying out professional training on operators, the training cost of the operators is increased, meanwhile, the whole atomization system is fixed in equipment, the container is very inconvenient to take out when the essential oil is replaced, and the replacement efficiency is low, so that the existing fragrance machine is not energy-saving and environment-friendly, and needs extremely high manual maintenance cost; moreover, the existing fragrance machine has a very complicated structure, and as shown in fig. 1, the existing fragrance machine comprises a refined oil bottle 18, an atomizing core 19, an air pump 20, a first plastic part 21, a second plastic part 22, a third plastic part 23, a fourth plastic part 24, a silicon part 25 and other parts for mounting and connecting, so that the structure is very complicated and the manufacturing is very difficult.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a need not counterpoint, essential oil and change convenient, energy-concerving and environment-protective, artifical maintenance with low costs and simple structure's fragrant atmosphere machine.
The utility model discloses the technical scheme who adopts does: a fragrance machine comprises a shell, wherein a sealing cavity and an installation cavity are arranged in the shell, and a fixing sleeve is arranged at the opening end of the sealing cavity; an atomizing head is arranged in the fixed sleeve, a guide sleeve is arranged between the atomizing head and the shell, a sealing ring is arranged between the guide sleeve and the atomizing head, a container is arranged in the sealing cavity, and the opening end of the container is connected with the atomizing head.
Optionally, a rebounder is further disposed in the sealed cavity, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealed cavity.
Optionally, an air pump is arranged in the installation cavity, an air outlet of the air pump is connected with a conduit, and an air outlet end of the conduit extends into the sealing cavity.
Optionally, a bottom plate is arranged at the bottom end of the shell, and a PCB is arranged in the bottom plate.
Optionally, an air inlet channel and an air outlet channel are arranged in the atomizing head, and an atomizing nozzle and an oil suction pipe are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
Optionally, the guide sleeve is a teflon guide sleeve.
The fixed sleeve is made of aluminum, but not limited to the aluminum.
The bottom wall of the sealed cavity is made of aluminum, but not limited to aluminum.
The housing is an aluminum housing, but is not limited to an aluminum housing.
The installation cavity is positioned at the bottom or the side of the sealing cavity.
The working principle is as follows:
after the air pump begins to work, the air pump passes through the pipe and ventilates for sealed intracavity, and under the effect of pressure, gaseous intake duct through the atomising head gets into atomizing nozzle, and atomizing nozzle begins to atomize the liquid of container the inside under the principle of siphon, offers the air outlet channel with external connection on the atomising head, and the particle that has just atomized is with gaseous in the middle of diffusing the air through the air outlet channel, accomplishes the atomization work.
When the liquid in the container needs to be changed, the atomizing head needs to be lightly pressed, under the action of the rebounder, the atomizing head is separated from the top end of the aluminum shell (the separation stroke can be adjusted according to actual needs), the atomizing system is taken out, the container is separated from the atomizing head, the liquid is added into the container, the container is connected with the atomizing head, the container and the atomizing head are integrally placed into the aluminum shell, the machine working mode is set, and the machine starts to work. Because the utility model discloses in having adopted the teflon guide pin bushing to be connected with the atomising head, be equipped with the sealing ring on the atomising head, interference fit has formed 360 degrees no dead angle cooperations between sealing ring and the teflon guide pin bushing, therefore when the shell was put into to atomizing system, need not the counterpoint, directly place into can, it is very convenient.
It should be noted that, after the atomizing head is pressed downwards, under the action of the rebounder, the atomizing head can be bounced upwards to protrude out of the shell, the teflon guide sleeve plays a key role, the friction coefficient of the teflon is small, so that the friction force between the atomizing head and the teflon guide sleeve is small, and the rebounder can overcome the friction force to bounce the atomizing head.
The utility model has the advantages that: the utility model discloses in, adopted the teflon guide pin bushing to be connected with the atomizing head, the last sealing ring that is equipped with of atomizing head, interference fit between sealing ring and the teflon guide pin bushing has formed 360 degrees no dead angle cooperations, therefore when the atomizing system puts into the shell, need not to counterpoint, directly put into can, it is very convenient; the friction coefficient of the teflon is small, so that the friction force between the atomizing head and the teflon guide sleeve is small, the rebounder can overcome the friction force to bounce the atomizing head, the atomizing head and the container can be taken out, the container is replaced with the essential oil, and the convenience is brought; because need not counterpoint, avoided traditional fragrant atmosphere machine counterpoint trouble to cause the problem that machine work and atomizing system do not actually work, energy-concerving and environment-protective, therefore also need not to carry out special training to operating personnel and can accomplish the change of essential oil rapidly, the cost of labor is low to the overall structure of this application is simple, has simplified manufacturing process, can greatly reduce manufacturing cost.
Drawings
FIG. 1 is a schematic diagram of a prior art fragrance machine.
Fig. 2 is a schematic structural diagram of the fragrance machine of the present invention.
Fig. 3 is an enlarged schematic view of the atomizing head of the present invention.
FIG. 4 is a schematic diagram of another embodiment of a fragrance machine.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "upper", "front", "rear", "left", "right", "bottom", "side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present embodiments.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; an atomizing head 4 is arranged in the fixed sleeve, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 is arranged in the sealing cavity, and the opening end of the container is connected with the atomizing head.
Example 2:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
Example 3:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
Example 4:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
Example 5:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
An air inlet channel 14 and an air outlet channel 15 are arranged in the atomizing head, and an atomizing nozzle 16 and an oil suction pipe 17 are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
Example 6:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
An air inlet channel 14 and an air outlet channel 15 are arranged in the atomizing head, and an atomizing nozzle 16 and an oil suction pipe 17 are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
The guide sleeve is a Teflon guide sleeve.
Example 7:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
An air inlet channel 14 and an air outlet channel 15 are arranged in the atomizing head, and an atomizing nozzle 16 and an oil suction pipe 17 are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
The guide sleeve is a Teflon guide sleeve.
The fixed sleeve is made of aluminum, but not limited to the aluminum.
Example 8:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
An air inlet channel 14 and an air outlet channel 15 are arranged in the atomizing head, and an atomizing nozzle 16 and an oil suction pipe 17 are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
The guide sleeve is a Teflon guide sleeve.
The fixed sleeve is made of aluminum, but not limited to the aluminum.
The bottom wall of the sealed cavity is made of aluminum, but not limited to aluminum.
Example 9:
as shown in fig. 2 and 3, the fragrance machine comprises a shell 1, a sealing cavity 3a and a mounting cavity 3b are arranged in the shell, and a fixing sleeve 2 is arranged at the opening end of the sealing cavity; the fixed cover is internally provided with an atomizing head 4, a guide sleeve 5 is arranged between the atomizing head and the shell, a sealing ring 6 is arranged between the guide sleeve and the atomizing head, a container 8 and a rebounder 9 are arranged in the sealing cavity, the open end of the container is connected with the atomizing head, one end of the rebounder is connected with the bottom of the container, and the other end of the rebounder is connected with the bottom wall of the sealing cavity.
An air pump 11 is arranged in the mounting cavity, an air outlet of the air pump is connected with a guide pipe 12, and an air outlet end of the guide pipe extends into the sealing cavity.
The bottom end of the shell is provided with a bottom plate 10, and a PCB 13 is arranged in the bottom plate.
An air inlet channel 14 and an air outlet channel 15 are arranged in the atomizing head, and an atomizing nozzle 16 and an oil suction pipe 17 are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
The guide sleeve is a Teflon guide sleeve.
The fixed sleeve is made of aluminum, but not limited to the aluminum.
The bottom wall of the sealed cavity is made of aluminum, but not limited to aluminum.
The housing is an aluminum housing, but is not limited to an aluminum housing.
Wherein, the installation cavity is positioned at the bottom of the sealed cavity, namely the air pump is positioned at the bottom of the container.
Example 10
As shown in fig. 4, this embodiment is substantially the same as embodiment 9 except that: the mounting chamber is located at the side of the sealing chamber, i.e. the air pump 11 is arranged at the side of the container 8.
The working principle is as follows:
after the air pump begins to work, the air pump passes through the pipe and ventilates for sealed intracavity, and under the effect of pressure, gaseous intake duct through the atomising head gets into atomizing nozzle, and atomizing nozzle begins to atomize the liquid of container the inside under the principle of siphon, offers the air outlet channel with external connection on the atomising head, and the particle that has just atomized is with gaseous in the middle of diffusing the air through the air outlet channel, accomplishes the atomization work.
When the liquid in the container needs to be changed, the atomizing head needs to be lightly pressed, under the action of the rebounder, the atomizing head is separated from the top end of the aluminum shell (the separation stroke can be adjusted according to actual needs), the atomizing system is taken out, the container is separated from the atomizing head, the liquid is added into the container, the container is connected with the atomizing head, the container and the atomizing head are integrally placed into the aluminum shell, the machine working mode is set, and the machine starts to work. Because the utility model discloses in having adopted the teflon guide pin bushing to be connected with the atomising head, be equipped with the sealing ring on the atomising head, interference fit has formed 360 degrees no dead angle cooperations between sealing ring and the teflon guide pin bushing, therefore when the shell was put into to atomizing system, need not the counterpoint, directly place into can, it is very convenient.
It should be noted that, after the atomizing head is pressed downwards, under the action of the rebounder, the atomizing head can be bounced upwards to protrude out of the shell, the teflon guide sleeve plays a key role, the friction coefficient of the teflon is small, so that the friction force between the atomizing head and the teflon guide sleeve is small, and the rebounder can overcome the friction force to bounce the atomizing head.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (10)
1. A fragrance machine characterized by: the device comprises a shell, wherein a sealing cavity and an installation cavity are arranged in the shell, and a fixing sleeve is arranged at the opening end of the sealing cavity; an atomizing head is arranged in the fixed sleeve, a guide sleeve is arranged between the atomizing head and the shell, a sealing ring is arranged between the guide sleeve and the atomizing head, a container is arranged in the sealing cavity, and the opening end of the container is connected with the atomizing head.
2. The fragrance machine of claim 1, wherein: and a rebound device is further arranged in the sealed cavity, one end of the rebound device is connected with the bottom of the container, and the other end of the rebound device is connected with the bottom wall of the sealed cavity.
3. The fragrance machine of claim 1, wherein: an air pump is arranged in the mounting cavity, a guide pipe is connected to an air outlet of the air pump, and an air outlet end of the guide pipe extends into the sealing cavity.
4. The fragrance machine of claim 3, wherein: the bottom of shell is equipped with the bottom plate, be equipped with the PCB board in the bottom plate.
5. The fragrance machine of claim 1, wherein: an air inlet channel and an air outlet channel are arranged in the atomizing head, and an atomizing nozzle and an oil suction pipe are arranged in the container; the air inlet of the air inlet channel is connected with the sealing cavity, the air outlet of the air inlet channel is connected with one end of the atomizing nozzle, and the other end of the atomizing nozzle is connected with the oil suction pipe; one end of the air outlet channel is connected with the inner space of the container, and the other end of the air outlet channel is an air outlet of the fragrance machine.
6. The fragrance machine of claim 1, wherein: the guide sleeve is a Teflon guide sleeve.
7. The fragrance machine of claim 1, wherein: the fixed sleeve is made of aluminum.
8. The fragrance machine of claim 1, wherein: the bottom wall of the sealing cavity is made of aluminum.
9. The fragrance machine of claim 1, wherein: the shell is an aluminum shell.
10. The fragrance machine of claim 1, wherein: the installation cavity is positioned at the bottom or the side of the sealing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588364.0U CN211382941U (en) | 2019-09-23 | 2019-09-23 | Fragrance machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921588364.0U CN211382941U (en) | 2019-09-23 | 2019-09-23 | Fragrance machine |
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| Publication Number | Publication Date |
|---|---|
| CN211382941U true CN211382941U (en) | 2020-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921588364.0U Active CN211382941U (en) | 2019-09-23 | 2019-09-23 | Fragrance machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN211382941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478509A (en) * | 2019-09-23 | 2019-11-22 | 姚兵 | A kind of perfume atmosphere machine |
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2019
- 2019-09-23 CN CN201921588364.0U patent/CN211382941U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110478509A (en) * | 2019-09-23 | 2019-11-22 | 姚兵 | A kind of perfume atmosphere machine |
| CN110478509B (en) * | 2019-09-23 | 2024-02-02 | 姚兵 | Fragrance machine |
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