CN214807107U - Fragrance device - Google Patents

Abstract

The utility model provides a fragrance device, which comprises a housin, magnetism is inhaled fixed part and is traded fragrant mechanism, wherein, the casing has first air intake and second air intake and air outlet, the installation cavity of the fragrant unit installation of two at least confession different smells has been constructed in the casing, and at least two of the first air intake of intercommunication and second air intake trade fragrant passageway have been constructed in the casing, and the ventilation channel of intercommunication second air intake and air outlet has been constructed in the casing, each fragrant unit correspondence is equipped with in each trades fragrant passageway, magnetism is inhaled the fixed part and is located on casing or fragrant unit, in order to constitute fixed of fragrant unit in the installation cavity, trade fragrant mechanism and locate the interior air door of casing including rotating, be constructed with the intercommunication portion on the air door, and along with the rotation of air door, the intercommunication portion can switch on with each trade fragrant passageway and ventilation channel alternative. The utility model discloses a fragrance device not only does benefit to the fixed of fragrance unit and the release of fragrance and close, but also can release different fragrance to there is better result of use.

Description

Fragrance device

Technical Field

The utility model relates to the technical field of automobiles, in particular to fragrance device.

Background

Along with the increasing popularization of household automobiles, the duration of driving the automobiles by consumers is increased, so that the consumers pay more and more attention to the environment and atmosphere in the automobiles, and particularly different automobile interior decoration materials can emit different peculiar smells to cause the peculiar smell of air in the automobiles. In order to improve the peculiar smell in the vehicle, a user usually sprays air freshener or perfume in the vehicle, or places a perfume diffusing device, and circulates the air in the vehicle by matching with the air supply of the vehicle air conditioner, so as to achieve the purpose of refreshing the environment in the vehicle. However, the above method still has the following disadvantages: firstly, the perfume can be emitted out in a fixed amount all the time, and the perfume is wasted greatly; secondly, the structural design is unreasonable, so that the perfume dispersing device is easy to be damaged by the vibration of the vehicle during running and is inconvenient to use and replace; thirdly, the arrangement position is not reasonable enough, and no matter the automobile instrument desk or the central control armrest box is placed on, the safety hidden danger can be caused to the driver to a certain extent; fourthly, most of the existing fragrance products can only carry one fragrance, and the requirement of diversity of consumers cannot be met.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a fragrance device, which can at least improve the fixing effect of the fragrance unit.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a fragrance apparatus comprising:

the device comprises a shell, a first air inlet, a second air inlet and an air outlet, wherein at least two mounting cavities for mounting fragrance units with different smells are formed in the shell, at least two fragrance exchange channels communicated with the first air inlet and the second air inlet are formed in the shell, a ventilation channel communicated with the second air inlet and the air outlet is formed in the shell, and each fragrance unit is correspondingly arranged in each fragrance exchange channel;

the magnetic suction fixing part is arranged on the shell or the fragrance unit to fix the fragrance unit in the mounting cavity;

trade fragrant mechanism, trade fragrant mechanism including rotating and locate the air door in the casing, in construct the intercommunication portion on the air door, and follow the rotation of air door, the intercommunication portion can with each trade fragrant passageway with the ventilation channel alternative switches on.

Further, corresponding to the installation cavity, in be provided with the constitution on the casing the installation cavity with the uncovered that link up outside the casing, in uncovered department be equipped with the upset connect in lid on the casing, just but lid joint locking in on the casing.

Further, a clamping locking portion is arranged between the shell and the cover body, and the clamping locking portion comprises a clamping block arranged on one of the shell and the cover body, corresponds to the clamping block, and a clamping hole for clamping the clamping block is formed in the other of the shell and the cover body.

Furthermore, an elastic pushing piece is arranged between the shell and the cover body, and the cover body is automatically opened due to the elastic pushing of the elastic pushing piece along with the release of the clamping block in the clamping hole.

Furthermore, the cover body is connected to the shell body in an overturning manner through a rotating shaft, and the elastic pushing piece is a torsion spring sleeved on the rotating shaft.

Furthermore, a driving portion for driving the air door to rotate is arranged on the shell, the first air inlet is arranged at one end, close to the driving portion, of the shell, and the air outlet is arranged at the other end of the shell.

Furthermore, the magnetic attraction fixing part comprises a magnetic force part arranged on one of the shell and the fragrance unit and a magnetic attraction part arranged on the other of the shell and the fragrance unit.

Furthermore, the casing includes the main part that is constructed with the intercommunicating pore to and the installation shell of lock grafting on the main part, enclose between installation shell and the main part and constitute the installation cavity, and in the installation shell with the lock junction of main part inlays and is equipped with magnetic force portion.

Further, the fragrance unit comprises a first shell and a second shell which are connected in a buckling manner, and a fragrance carrier arranged between the first shell and the second shell; corresponding to the magnetic force part, the magnetic force suction part is arranged at the buckling connection part of the first shell and the second shell.

Furthermore, an embedding groove for embedding the magnetic force part is formed on the mounting shell and/or the main body part, and a mounting groove for mounting the magnetic force suction part is formed on the first shell and/or the second shell.

Compared with the prior art, the utility model discloses following advantage has:

(1) fragrance device, through the fragrance unit of the different smells of setting in the casing and the fragrant passageway and the ventilation passageway of trading of setting to through for casing pivoted air door, can so that trade fragrant passageway and ventilation passageway's alternative and switch on, and realize the release and the closing of fragrance in the fragrance unit. In addition, through the magnetism fixed part that inhales that sets up, can make the fragrance unit can be better fix in the installation cavity, prevent that the vehicle from going to deviate from the installation cavity because of the vibration. The utility model discloses a fragrance device not only makes the fragrance unit have better fixed effect, does benefit to opening and close of fragrance unit moreover to save spices, still can release different fragrant smell simultaneously, satisfy user's different demands, thereby can promote the user and use the impression, and have better result of use.

(2) Set up the lid of upset in uncovered department, can do benefit to the change of fragrance unit, and the joint locking through lid and casing and inhale the fixed part combined action with the magnetism that sets up for fragrance unit has better fixed effect.

(3) The clamping locking part adopts the matching of the clamping block and the clamping hole, and has simple structure and convenient processing and manufacturing.

(4) The elastic pushing piece is arranged to facilitate the opening of the cover body.

(5) The elastic pushing piece adopts a torsion spring, and has simple structure, mature technology and convenient installation.

(6) The driving part is arranged, so that the air door can be operated in a rotating mode, and the fragrance changing channel and the ventilation channel can be opened and closed more accurately.

(7) Through the cooperation that adopts magnetic force portion and magnetic force actuation portion, simple structure just makes the fragrance unit have better fixed effect.

(8) The installation shell that sets up is connected with the lock of main part spare, does benefit to the installation of magnetic force portion on the casing.

(9) The first shell and the second shell are buckled and connected, and the magnetic attraction part is favorably installed on the fragrance unit.

(10) The installation of the embedded groove and the installation groove is beneficial to providing installation space for the magnetic force part and the magnetic attraction part, and the magnetic attraction type magnetic force sensor has the characteristics of simple structure and convenience in processing and manufacturing.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a fragrance device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the fragrance apparatus of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the fragrance apparatus of FIG. 2 from another perspective;

FIG. 4 is an exploded view of a fragrance apparatus according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the perfume changing channel according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fragrance unit according to an embodiment of the present invention;

FIG. 7 is a flow chart of the internal air flow of the fragrance apparatus according to the embodiment of the present invention;

FIG. 8 is a schematic view of the internal gas flow when the fragrance apparatus according to the embodiment of the present invention is closed;

description of reference numerals:

1. a housing; 2. a motor; 3. a motor housing; 4. a damper; 5. a fragrance unit; 6. a magnetic attraction part; 7. a magnetic part; 8. a rotating shaft; 9. a torsion spring; 11. a bolt;

10. a first air inlet; 20. a second air inlet; 30. an air outlet; 40. switching the hole; 50. a communicating hole; 60. a mounting cavity;

100. a plug-in unit; 101. a main body member; 102. mounting a shell; 103. a cover body; 104. a first transfer block; 105. a second transfer block; 401. a first connection hole; 402. a second connection hole; 500. a fragrance carrier; 501. a first housing; 502. a second housing; 503. mounting grooves; 504. a screwed end; 505. a nut;

1011. a clamping block; 1012. embedding a groove; 1021. a clamping hole; 1020. a rotating shaft hole; 1022. a clamping hole; 1031. and (7) clamping blocks.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.

In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a fragrance device, which mainly comprises a shell, a magnetic suction fixing part and a fragrance changing mechanism. The casing is provided with a first air inlet, a second air inlet and an air outlet, at least two mounting cavities for mounting fragrance units with different smells are formed in the casing, at least two fragrance change channels communicated with the first air inlet and the second air inlet are formed in the casing, a ventilation channel communicated with the second air inlet and the air outlet is formed in the casing, and each fragrance unit is correspondingly arranged in each fragrance change channel. The magnetic suction fixing part is arranged on the shell or the fragrance unit so as to fix the fragrance unit in the mounting cavity. Trade fragrant mechanism including rotating the air door of locating in the casing, be constructed with the intercommunication portion on the air door, and along with the rotation of air door, the intercommunication portion can be switched on with each fragrant passageway of trading and ventilation channel alternative.

The fragrance device of this embodiment not only can do benefit to opening and closing of fragrance unit through two at least fragrance units of different smells of acceping in the casing to and have the mechanism of changing fragrant for casing pivoted air door, in order to save spices, but also can release different fragrance, satisfies user's different demands, thereby can promote user's use and feel. In addition, through the magnetism fixed part that inhales that sets up, can make the fragrance unit can be better fix in the installation cavity, prevent that the vehicle from going to deviate from the installation cavity because of the vibration.

Based on the above design concept, an exemplary structure of the fragrance device of the present embodiment is shown in fig. 1 to 4, as described above, the fragrance device includes a housing 1, the housing 1 has a first air inlet 10 and a second air inlet 20, and an air outlet 30, at least two mounting cavities 60 are configured in the housing 1, and in the present embodiment, preferably, three mounting cavities 60 are configured in the housing 1 for mounting fragrance units 5 with different odors. Three fragrance exchanging channels communicated with the first air inlet 10 and the second air inlet 20 are formed in the shell 1, ventilation channels communicated with the second air inlet 20 and the air outlet 30 are formed in the shell 1, and each fragrance unit 5 is correspondingly arranged in each fragrance exchanging channel.

Specifically, referring to fig. 1 to 5, the housing 1 of the present embodiment includes a main body 101 having a communication hole 50, a first transfer block 104 and a second transfer block 105 configured with a transfer hole 40, wherein the first transfer block 104 and the second transfer block 105 are respectively inserted into two ends of the main body 101 in a sealing manner. The switching holes 40 formed on the first switching block 104 and the second switching block 105 are L-shaped, and when the first switching block 104 and the second switching block 105 are inserted into the main body 101, the switching holes 40 and the communication holes 50 formed on the main body 101 are respectively communicated correspondingly, so as to form the fragrance exchange channel.

In addition, the housing 1 of the present embodiment further includes a mounting shell 102 snap-fitted to the main body 101, three mounting cavities 60 are formed between the mounting shell 102 and the main body 101, and the mounting cavity 60 located in the middle is communicated with the fragrance unit 5 through the communication hole 50 formed in the main body 101. As shown in fig. 1 to fig. 5, a clamping block 1011 is formed on the main body 101, a clamping hole 1021 is formed on the mounting shell 102 corresponding to the clamping block 1011, and the mounting shell 102 is reliably connected to the main body 101 by clamping the clamping block 1011 and the clamping hole 1021.

It should be noted that, in the present embodiment, the number of the mounting cavities 60 and the corresponding fragrance units 5 may be two, four, or other numbers besides the above numbers.

Referring to fig. 1 to 5, in the present embodiment, corresponding to the installation cavity 60, an opening is formed in the housing 1 to form the installation cavity 60 and the housing 1 to be externally communicated, that is, when the installation shell 102 is fastened to the main body 101, the opening is formed, a cover 103 connected to the housing 1 in an inverted manner is disposed at the opening, and the cover 103 can be fastened and locked to the housing 1 along with the inversion of the cover 103. The cover 103 that this embodiment set up can do benefit to the change of fragrance unit 5, and through the joint locking of cover 103 and casing 1 and with the below magnetic absorption fixed part combined action that sets up for fragrance unit 5 has better fixed effect.

Specifically, a clamping locking portion is disposed between the housing 1 and the cover 103, and the clamping locking portion includes a clamping block 1031 disposed on one of the housing 1 and the cover 103, and a clamping hole 1022 for clamping the clamping block 1031 is disposed on the other of the housing 1 and the cover 103 corresponding to the clamping block 1031. Referring to fig. 1 to 4, the locking portion includes a latch 1031 disposed on the cover 103, and a latch hole 1022 is disposed on the mounting housing 102 and corresponding to the latch hole 1022, a cantilever-shaped abutting block is configured on the mounting housing 102, and when the abutting block is pressed, the latching of the latch 1031 in the latch hole 1022 is released. The engagement between the latching strip 1031 and the latching hole 1022 not only enables the cover 103 to be reliably covered at the opening, but also provides a simple structure and is easy to manufacture.

In order to facilitate the cover 103 to be automatically opened when releasing the locking of the locking, in this embodiment, an elastic pushing member is disposed between the housing 1 and the cover 103, and the cover 103 is automatically opened due to the elastic pushing of the elastic pushing member when the latch 1031 is released from the locking in the latch hole 1022. Specifically, the rotating shaft holes 1020 are formed in the cover 103 and the housing 1, the cover 103 is connected to the housing 1 in an overturning manner through the rotating shaft 8 penetrating through the rotating shaft holes 1020, namely, the cover is connected to the mounting shell 102 in an overturning manner, and the elastic pushing piece is a torsion spring 9 sleeved on the rotating shaft 8, so that when the cover 103 is unlocked from the clamping locking manner, namely, when the abutting block is pressed, the cover 103 can be automatically opened under the elastic force of the torsion spring 9, and the structure is simple and convenient to install.

It should be noted that, the latching block 1031 of the present embodiment may be disposed on the mounting housing 102 instead of the cover 103, and the corresponding latching hole 1022 is disposed on the cover 103. In addition, the mounting cavity 60 of the present embodiment may be integrally formed on the main body member, in addition to the structure formed by the mounting shell 102 and the main body member being engaged with each other.

The fragrance changing mechanism of the embodiment comprises an air door 4 which is rotatably arranged in a shell 1, a communicating part is constructed on the air door 4, and the communicating part can be communicated with each fragrance changing channel and each ventilation channel in an alternative mode along with the rotation of the air door 4. Specifically, as shown in fig. 4 and 5, the damper 4 of the present embodiment is cylindrical as a whole, and the communicating portions are specifically a first connecting hole 401 and a second connecting hole 402 formed in the damper 4 so as not to communicate with each other. The first and second connection holes 401 and 402 are in communication with the transfer holes 40 formed in the first and second transfer blocks 104 and 105 and the communication hole 50 formed in the main body member 101 at the position of the intermediate mounting chamber 60 in response to the rotation of the damper 4, that is, the first and second connection holes 401 and 402 are in communication with different fragrance exchange passages in response to the rotation of the damper 4. In addition, the second connecting hole 402 is also communicated with the second air inlet 20 along with the rotation of the air door 4.

In order to facilitate the smooth rotation of the air door 4, in this embodiment, a driving portion for driving the air door 4 to rotate is disposed on the casing 1, the first air inlet 10 is disposed at one end of the casing 1 close to the driving portion, the air outlet 30 is disposed at the other end of the casing 1 opposite to the first air inlet 10, and the second air inlet 20 is disposed at one end of the casing 1 close to the air outlet 30. Wherein, the drive division of this embodiment is preferred to be motor 2, and foretell air door 4 is connected in the power take off end of motor 2, and rotation through motor 2 and drive air door 4 rotates to realize trading fragrant passageway or ventilation channel's switching on. And, through motor 2 drive air door 4 rotation, still can make the switching of opening and close of trading fragrant passageway and ventilation passageway more accurate.

In addition, in this embodiment, the motor casing 3 covering the motor 2 is disposed on the main body member, specifically, the motor casing 3 is screwed to the main body member through the bolts 11, a plurality of through holes are formed in the motor casing 3, and the through holes form the first air inlet 10, so that the motor casing 3 can protect the motor 2, and prevent large particles from entering the fragrance changing channel or the ventilation channel or entering the motor 2 to affect the normal use of the fragrance device.

In addition, for the one end that is equipped with motor 2, the other end of main part 101 is located to air outlet 30, and is concrete, and air outlet 30 of this embodiment specifically sets up on the kuppe, and this kuppe has the play tuber pipe, and the mouth of pipe of play tuber pipe constitutes air outlet 30, and this kuppe passes through bolt 11 spiro union on main part 101, so can change the air-out direction of air outlet 30. In this embodiment, preferably, the air outlet 30 is connected to a blower in the air conditioning system through a pipeline, so that the fragrance in the fragrance unit 5 can be released into the cab through the air outlet 30 by the negative pressure action of the blower, thereby improving the environment in the cab.

In addition, the casing 1 is further provided with a plug-in unit 100, one end of the plug-in unit 100 is connected with the motor 2, and the other end of the plug-in unit 100 is connected with the air conditioner ECU, so that the opening and closing of the fragrance device can be controlled conveniently.

As one of the preferred embodiments of the present embodiment, the magnetic attraction fixing portion of the present embodiment includes a magnetic portion 7 provided on one of the housing 1 and the fragrance unit 5, and a magnetic attraction portion 6 provided on the other of the housing 1 and the fragrance unit 5. Preferably, in this embodiment, the magnetic portion 7 is disposed on the housing 1, and the magnetic attraction portion 6 is correspondingly disposed on the fragrance unit 5.

As shown in fig. 4 to 6, an insertion groove 1012 into which the magnetic force part 7 is inserted is formed in the bottom of the main body 101 in the mounting cavity 60, and an insertion groove 1012 is also formed in the mounting case 102 in correspondence to the insertion groove 1012, and a part of the magnetic force part 7 is provided in the insertion groove 1012 in the main body 101, and the other part is provided in the insertion groove 1012 in the mounting case 102, and the magnetic force part 7 is inserted into the engagement connection portion between the mounting case 102 and the main body 101 in accordance with the engagement and engagement of the mounting case 102 with the main body. The magnetic force part 7 of the present embodiment is preferably a neodymium magnet, and the shape may be a round cake shape, a rectangular body shape, a strip shape, or the like.

Of course, the mounting structure of the magnetic part 7 of the present embodiment may be separately provided on the main body 101 or the mounting case 102, or the magnetic part 7 may be fixed by adhesion.

As shown in fig. 6, the fragrance unit 5 of the present embodiment includes a first housing 501 and a second housing 502 that are snap-fit connected, and a fragrance carrier 500 disposed between the first housing 501 and the second housing 502. In addition, in order to improve the reliability of the connection between the first casing 501 and the second casing 502, the first casing 501 and the second casing 502 are configured with a threaded end 504 with a semicircular cross section, and the two threaded ends 504 are butted and rounded along with the buckling of the first casing 501 and the second casing 502, and at this time, the first casing 501 and the second casing 502 are connected together through a nut 505 screwed on the threaded end 504.

In this embodiment, the magnetic attraction portion 6 is disposed at a fastening connection portion of the first housing 501 and the second housing 502 corresponding to the magnetic portion 7. Specifically, as shown in fig. 6, a mounting groove 503 for mounting the magnetic attraction portion 6 is respectively formed at the fastening connection portion of the first casing 501 and the second casing 502, a part of the magnetic attraction portion 6 is mounted in the mounting groove 503 of the first casing 501, another part is mounted in the mounting groove 503 of the second casing 502, and the fastening connection portion of the first casing 501 and the second casing 502 is formed so that the magnetic attraction portion 6 is smoothly mounted at the fastening connection portion of the first casing 501 and the second casing 502.

It should be noted here that the magnetic attraction portion 6 of the present embodiment is preferably a rectangular iron block, but of course, an iron block having another shape such as a round cake shape may be used. In addition, it should be noted that, in addition to the above, the mounting structure of the magnetic attraction portion 6 of the present embodiment may also be that the magnetic attraction portion 6 is separately disposed on the first casing 501 or the second casing 502, and furthermore, the mounting manner of the magnetic attraction portion 6 may also be fixed by an adhesive manner.

In this embodiment, the magnetic portion 7 and the magnetic attraction portion 6 are arranged to fix the fragrance unit 5 in the installation cavity 60, and cooperate with the cover 103, so as to further improve the fixing effect of the fragrance unit 5 and effectively prevent the fragrance unit 5 from being released from the installation cavity 60.

When the fragrance device of the present embodiment is used, as shown in fig. 7 and 8, in an operating state, the motor 2 drives the damper 4 to rotate, when the damper 4 is switched to the fragrance changing passage, the airflow flowing direction is shown by an arrow in fig. 7, at this time, the first connecting hole 401 and the second connecting hole 402 are respectively communicated with the first air inlet 10 and the air outlet 30, and the airflow flowing in from the first air inlet 10 flows into the fragrance changing passage and the corresponding fragrance unit 5 through the first connecting hole 401, and flows through the second connecting hole 402 and is discharged from the air outlet 30.

Specifically, when the first connection hole 401 and the second connection hole 402 are correspondingly communicated with the transfer hole 40 formed on the first transfer block 104 and the communication hole 50 formed on the main body member 101, the fragrance unit 5 close to the first transfer block 104 can be made to release fragrance. As the damper 4 rotates, when the first and second connection holes 401 and 402 are correspondingly communicated with the communication hole 50 formed in the main body 101, the fragrance unit 5 at the intermediate position may be caused to release fragrance. As the damper 4 continues to rotate, the fragrance unit 5 adjacent to the second adaptor block 105 may be caused to release fragrance when the first and second connection holes 401 and 402 are correspondingly communicated with the adaptor hole 40 formed on the second adaptor block 105 and the communication hole 50 formed on the main body member 101.

When the fragrance device is in a closed state, that is, when the air door 4 rotates to the ventilation channel, the airflow flowing direction is as shown by the arrow in fig. 7, the second connection hole 402 on the air door 4 is communicated with the second air inlet 20, and the airflow flows into the housing 1 through the second air inlet 20 and the second connection hole 402, and is directly discharged from the air outlet 30.

The fragrance device of this embodiment not only has better fixed effect to fragrance unit 5, does benefit to opening and close of fragrance unit 5 moreover to save spices, still can release different fragrance simultaneously, satisfy user's different demands, thereby can promote user's use impression, and have better result of use.

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

Claims (10)

1. A fragrance apparatus, comprising:

the fragrance box comprises a shell (1), wherein the shell (1) is provided with a first air inlet (10), a second air inlet (20) and an air outlet (30), at least two installation cavities (60) for installing fragrance units (5) with different smells are formed in the shell (1), at least two fragrance change channels communicated with the first air inlet (10) and the second air inlet (20) are formed in the shell (1), a ventilation channel communicated with the second air inlet (20) and the air outlet (30) is formed in the shell (1), and each fragrance unit (5) is correspondingly arranged in each fragrance change channel;

the magnetic suction fixing part is arranged on the shell (1) or the fragrance unit (5) to fix the fragrance unit (5) in the mounting cavity (60);

trade fragrant mechanism, trade fragrant mechanism including rotating and locate air door (4) in casing (1), in air door (4) are gone up and are constructed the intercommunication portion, and follow the rotation of air door (4), the intercommunication portion can with each trade fragrant passageway with the ventilation passageway alternative switches on.

2. The fragrance apparatus according to claim 1, wherein: corresponding to installation cavity (60), in be provided with the constitution on casing (1) installation cavity (60) with the uncovered that link up outside casing (1), in uncovered department be equipped with the upset connect in lid (103) on casing (1), just but lid (103) joint locking in on casing (1).

3. The fragrance apparatus according to claim 2, wherein: a clamping locking part is arranged between the shell (1) and the cover body (103), the clamping locking part comprises a clamping block (1031) arranged on one of the shell (1) and the cover body (103), the clamping block (1031) corresponds to the clamping block (1031), and a clamping hole (1022) for clamping the clamping block (1031) is arranged on the other of the shell (1) and the cover body (103).

4. The fragrance apparatus according to claim 3, wherein: an elastic pushing piece is arranged between the shell (1) and the cover body (103), and the cover body (103) is automatically opened due to the elastic pushing of the elastic pushing piece along with the release of the clamping block (1031) in the clamping hole (1022).

5. The fragrance apparatus according to claim 4, wherein: the cover body (103) is connected to the shell (1) through a rotating shaft (8) in an overturning manner, and the elastic pushing piece is sleeved on a torsion spring (9) on the rotating shaft (8).

6. The fragrance apparatus according to claim 1, wherein: be equipped with the drive on casing (1) air door (4) pivoted drive division, first air intake (10) are located being close to of casing (1) the one end of drive division, for first air intake (10), air outlet (30) are located the other end of casing (1).

7. The fragrance apparatus according to any one of claims 1 to 6, wherein: the magnetic attraction fixing part comprises a magnetic force part (7) arranged on one of the shell (1) and the fragrance unit (5) and a magnetic attraction part (6) arranged on the other of the shell (1) and the fragrance unit (5).

8. The fragrance apparatus according to claim 7, wherein: the shell (1) comprises a main body part (101) with a communication hole (50) and a mounting shell (102) buckled and inserted on the main body part (101), the mounting cavity (60) is formed between the mounting shell (102) and the main body part (101) in a surrounding mode, and the magnetic part (7) is embedded at the buckling connection position of the mounting shell (102) and the main body part (101).

9. The fragrance apparatus according to claim 8, wherein: the fragrance unit (5) comprises a first shell (501) and a second shell (502) which are connected in a buckling manner, and a fragrance carrier (500) arranged between the first shell (501) and the second shell (502); corresponding to the magnetic force part (7), the magnetic force suction part (6) is arranged at the buckling connection part of the first shell (501) and the second shell (502).

10. The fragrance apparatus according to claim 9, wherein: an embedded groove (1012) for embedding the magnetic force part (7) is formed on the mounting shell (102) and/or the main body part (101), and a mounting groove (503) for mounting the magnetic force attracting part (6) is formed on the first shell (501) and/or the second shell (502).

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