CN219007548U - Driving structure of fragrance auxiliary system - Google Patents

Abstract

The utility model relates to a driving structure of a fragrance auxiliary system, which is arranged outside a fragrance air duct and comprises a base, wherein a lifting assembly, a speed reducing mechanism and a lifting guide rod are arranged on the inner side of the base, the speed reducing mechanism is positioned in the central area of the base, the lifting guide rod is positioned in the two side areas of the base, the lifting assembly comprises a lifting base, the lifting base is in sliding connection with the lifting guide rod and is driven by the speed reducing mechanism to move along the lifting guide rod, the fragrance air duct penetrating through the center of the lifting base is arranged in the middle of the lifting base, and an air outlet grid is arranged above the lifting base. The driving structure of the fragrance auxiliary system has the advantages of simple structure, practicability, stable driving and the like.

Description

Driving structure of fragrance auxiliary system

Technical Field

The utility model relates to the technical field of transmission mechanisms, in particular to a transmission structure of a fragrance auxiliary system.

Background

With the development of the automobile industry, the use of the automobile-mounted fragrance is more and more common, so that the air quality in the automobile is improved, and a certain sterilization effect is achieved, but most of the fragrance mechanisms are mounted on the market at present and then adhered to the automobile or mounted in the automobile, and grid holes (used for fragrance emission) are reserved on the surface of the CAS, and the fragrance mechanisms are stationary, or are abrupt or are not attractive in appearance in the automobile.

Disclosure of Invention

The utility model provides a driving structure of a fragrance auxiliary system, which is added to the existing fragrance, is simple, practical and stable in driving, gives the fragrance emission, gives the user a rising technological sense of a mechanism and gives the user a visual aesthetic feeling.

In order to achieve the above object, the following technical solutions are adopted.

The utility model provides a fragrance auxiliary system transmission structure installs in fragrance air duct's outside, includes the base, the base inboard is equipped with lifting unit, reduction gears and lift guide arm, reduction gears is located the central zone of base, the lift guide arm is located the both sides area of base, lifting unit includes lift base, lift base and lift guide arm sliding connection, by reduction gears drive along lift guide arm removal, the middle part of lift base is equipped with the fragrance air duct who link up lift base center, the top of lift base is equipped with the grid of giving vent to anger. According to the fragrance auxiliary system transmission structure, the transmission mechanism is arranged on the fragrance air duct, the air outlet grille is arranged at the upper part of the transmission mechanism, and aiming at the existing fragrance air outlet system, the lifting assembly is driven by the speed reducing mechanism to reciprocate up and down along the lifting guide rod, when the lifting assembly is in a lifting position, fragrance is emitted from the air outlet grille in the lifting assembly through the fragrance air duct, so that the air quality in a vehicle is improved; when the lifting component is in the descending position, the fragrance stops emitting into the vehicle, and the transmission structure is additionally arranged, so that when the fragrance emits, the lifting component is lifted in place, the decorative effect is achieved, and the user is provided with a mechanism-lifted technological sense and visual aesthetic feeling. The fragrance auxiliary system transmission structure mainly comprises a base, and a lifting assembly, a speed reducing mechanism and a lifting guide rod which are arranged in the base, the whole structure is simple, when the fragrance auxiliary system is used, the speed reducing mechanism is started, the speed reducing mechanism drives the lifting assembly to reciprocate up and down along the lifting guide rod, the fragrance auxiliary system is convenient to use and high in practicability, in the transmission process, the lifting guide rod is arranged to play a guiding role, deflection along with vibration of a vehicle body when the fragrance auxiliary system is operated is prevented, and the transmission stability is good.

Further, the lifting base is provided with sliding parts protruding outwards respectively on two sides of the lifting base matched with the lifting guide rod, shock absorption pads are arranged at the top and the bottom of the sliding parts, and the upper part and the lower part of the lifting guide rod are respectively provided with an ascending limit position and a descending limit position. The sliding parts at the side parts of the lifting base are arranged, so that the whole volume of the lifting base is effectively reduced, the occupied space of the lifting base is further reduced, and the whole transmission structure is smaller; and due to the arrangement of the damping pads at the top and the bottom of the sliding part, the sound generated by the collision or the collision between the lifting base and the base is reduced when the lifting base ascends in place or descends in place, and the user experience is enhanced.

Further, the lifting assembly further comprises a decorative support, the decorative support is located at the top of the lifting base, the decorative support comprises a decorative underframe and a decorative side frame, a lifting panel is arranged at the top of the decorative side frame, and an air outlet grid is arranged on the decorative underframe. The top of the lifting base is provided with a decorative support, the decorative support is used for giving out air of fragrance on one hand, and is used for installing the lifting panel on the other hand, and when the fragrance gives out air, the decorative support and the lifting panel stretch out to play a decorative effect.

Further, the speed reducing mechanism comprises a fixing piece, a driving piece and a transmission assembly, wherein the fixing piece is fixed on the base through a fastening piece, the fixing piece is provided with the transmission assembly and the driving piece, and the driving piece is connected with the transmission assembly to drive the transmission assembly to transmit. The setting of mounting for fixed and bear driving piece and drive assembly, make driving piece and drive assembly pass through the mounting and fix on the base, its structural distribution is reasonable, arranges closely, effectively reduces reduction gears's whole volume, reduces its occupation space.

Further, the transmission components are two groups and are respectively arranged on two sides of the fixing piece symmetrically. The two groups of transmission assemblies are arranged, so that the lifting assemblies are synchronously driven by the transmission assemblies at the two sides, and the stability is better; and moreover, the driving piece is synchronously connected with the two groups of transmission assemblies, so that the two groups of transmission assemblies are driven to synchronously transmit, the transmission consistency of the two groups of transmission assemblies is ensured, and the up-and-down reciprocating motion stability of the lifting assembly is further ensured.

Further, the transmission assembly comprises a driving gear connected with the driving piece, and the driving gear is in meshed connection with the rack. In this scheme, the drive assembly comprises drive gear and rack, and its simple structure, clear, installation and transmission are all more swift, convenient.

Further, the transmission assembly is of a three-stage transmission structure and further comprises a clutch, wherein the clutch comprises a large gear and a small gear, the large gear is in meshed connection with a gear at the upper stage, and the small gear is in meshed connection with the rack. In this scheme, on the basis of the drive assembly that drive gear and rack constitute, the clutch has been add, make drive assembly become tertiary transmission structure, be used for solving when lifting assembly rises to the state of target or fragrance always give vent to anger the state, lifting assembly part is higher than the CAS face all the time, the staff presses the lifting assembly part of protrusion CAS face easily, if there is not safeguard measure at this moment, gear reduction mechanism is under very big exogenic action, namely the staff presses lifting assembly, lifting assembly and then exert force to reduction mechanism, this easily lead to reduction mechanism to be destroyed, such as the risk such as tooth root fracture, therefore this structure has designed the clutch to this risk, the clutch add, when external force exceeds certain numerical value, lifting assembly rotationally descends along with the clutch skidding, power on the driving piece again, lifting assembly normally rises, the design of this clutch plays the shrink guard action to reduction mechanism.

Further, the novel water heater further comprises an upper cover, and the upper cover is connected with the base in a buckled mode. The upper cover is buckled with the base, so that the lifting assembly, the speed reducing mechanism and the like are arranged in the upper cover and the base, the whole transmission structure is protected, and the service life of the transmission structure of the fragrance auxiliary system is effectively prolonged.

Further, the device also comprises a fixing panel, wherein the fixing panel is positioned on the top of the upper cover and the base. The fixed panel is arranged and used for being covered on the upper cover and the upper part of the base, specifically, the middle part of the fixed panel is a hollow part matched with the decorative support and used for ensuring that the lifting assembly can move up and down in a reciprocating manner freely, the top of the hollow part is of a step structure, when the lifting assembly descends to a proper position, the lifting panel is partially hidden in a concave part of the step structure of the fixed panel, so that the lifting panel has a decorative effect, impurities can be prevented from entering when the lifting assembly is not used, the whole transmission structure is protected, and the service life of the transmission structure of the fragrance auxiliary system is effectively prolonged.

Further, the bottom of the air duct is provided with a fragrance air inlet, fragrance enters the air duct from the fragrance air inlet, and the fragrance is discharged from the air outlet grille at the top of the lifting base. The bottom of the air duct that the fragrance air inlet set up makes the fragrance get into from the bottom of air duct, and the grid of giving out air from being located the transmission top at last gives out the gas, makes the user when feeling top fragrance, can experience the dynamic of decorating support and lift panel and dazzle experience that stretches out.

Compared with the prior art, the driving structure of the fragrance auxiliary system has the following beneficial effects:

according to the fragrance auxiliary system transmission structure, the transmission mechanism is arranged on the fragrance air duct, the air outlet grille is arranged at the upper part of the transmission mechanism, and aiming at the existing fragrance air outlet system, the lifting assembly is driven by the speed reducing mechanism to reciprocate up and down along the lifting guide rod, when the lifting assembly is in a lifting position, fragrance is emitted from the air outlet grille in the lifting assembly through the fragrance air duct, so that the air quality in a vehicle is improved; when the lifting component is in the descending position, the fragrance stops emitting into the vehicle, and the transmission structure is additionally arranged, so that when the fragrance emits, the lifting component is lifted in place, the decorative effect is achieved, and the user is provided with a mechanism-lifted technological sense and visual aesthetic feeling. The fragrance auxiliary system transmission structure mainly comprises a base, and a lifting assembly, a speed reducing mechanism and a lifting guide rod which are arranged in the base, the whole structure is simple, when the fragrance auxiliary system is used, the speed reducing mechanism is started, the speed reducing mechanism drives the lifting assembly to reciprocate up and down along the lifting guide rod, the fragrance auxiliary system is convenient to use and high in practicability, in the transmission process, the lifting guide rod is arranged to play a guiding role, deflection along with vibration of a vehicle body when the fragrance auxiliary system is operated is prevented, and the transmission stability is good.

Drawings

FIG. 1 is an overall block diagram of a driving structure of a fragrance auxiliary system according to the present utility model;

FIG. 2 is a diagram of the overall structure of the fragrance auxiliary system of the present utility model without an upper cover;

FIG. 3 is a block diagram of a lifting assembly in a driving structure of a fragrance auxiliary system according to the present utility model;

FIG. 4 is a block diagram of a reduction mechanism in the drive mechanism of the fragrance auxiliary system of the present utility model;

FIG. 5 is a block diagram of the reduction mechanism of FIG. 4 without fasteners;

FIG. 6 is a block diagram of a clutch in the reduction mechanism of FIG. 4;

FIG. 7 is a block diagram of a base in a driving structure of the fragrance auxiliary system of the present utility model;

FIG. 8 is a block diagram of the lifting assembly in the drive structure of the fragrance auxiliary system of the present utility model raised into position;

fig. 9 is a structural diagram showing the lowering of the lifting assembly into position in the driving structure of the fragrance auxiliary system of the present utility model.

Detailed Description

The driving structure of the fragrance auxiliary system according to the utility model will be described in further detail with reference to specific embodiments and accompanying drawings.

Referring to fig. 1 to 9, a driving structure 200 of a fragrance auxiliary system is installed outside a fragrance air duct 110 in a fragrance air outlet system 100, specifically, the driving structure 200 of a fragrance auxiliary system includes a housing 210, the housing 210 includes a base 212, a lifting assembly 220, a speed reducing mechanism 230 and a lifting guide rod 240 are disposed inside the base 212, the speed reducing mechanism 230 is disposed in a central area of the base 212, the lifting guide rod 240 is disposed in two side areas of the base 212, the lifting assembly 220 includes a lifting base 221, the lifting base 221 is slidably connected with the lifting guide rod 240, the speed reducing mechanism 230 drives the lifting guide rod 240 to move, a fragrance air duct 110 penetrating through the center of the lifting base 221 is disposed in the middle of the lifting base 221, and an air outlet grille 2224 is disposed above the lifting base 221. According to the fragrance auxiliary system transmission structure, the transmission mechanism is arranged on the fragrance air duct 110, the air outlet grid 2224 is arranged at the upper part of the transmission mechanism, and aiming at the existing fragrance air outlet system, the lifting assembly 220 is driven by the speed reducing mechanism 230 to reciprocate up and down along the lifting guide rod 240, when the lifting assembly 220 is in a lifting position, fragrance is emitted from the air outlet grid 2224 in the lifting assembly 220 through the fragrance air duct 110 at the same time, so that the air quality in a vehicle is improved; when the lifting component 220 is in the descending position, the fragrance stops emitting into the vehicle, and the transmission structure is additionally arranged, so that when the fragrance emits, the lifting component 220 is lifted in place, the decorative effect is achieved, and the user is provided with a mechanism-lifted technological sense and visual aesthetic feeling. The fragrance auxiliary system transmission structure mainly comprises a base 212, and a lifting assembly 220, a speed reducing mechanism 230 and a lifting guide rod 240 which are arranged in the base 212, wherein the whole structure is simple, when the fragrance auxiliary system transmission structure is used, the speed reducing mechanism 230 is started, the speed reducing mechanism 230 drives the lifting assembly 220 to reciprocate up and down along the lifting guide rod 240, the fragrance auxiliary system transmission structure is convenient to use and high in practicability, in the transmission process, the lifting guide rod 240 is arranged to play a guiding role, deviation along with vibration of a vehicle body when the mechanism acts is prevented, and the transmission stability is good.

Referring to fig. 1, 2 and 7, in a non-limiting embodiment of the present utility model, two sides of the lifting base 221, which are matched with the lifting guide rod 240, are respectively provided with a sliding portion 2211 protruding outwards, the top and the bottom of the sliding portion 2211 are respectively provided with a shock pad 224, and the upper portion and the lower portion of the base 212 where the lifting guide rod 240 is arranged are respectively provided with a lifting limit portion 2121 and a lowering limit portion 2122. The arrangement of the sliding part 2211 at the side of the lifting base 221 effectively reduces the overall volume of the lifting base 221, thereby reducing the occupied space of the lifting base 221 and enabling the whole transmission structure to be smaller; the arrangement of the top and bottom shock pads 224 of the sliding portion 2211 reduces the sound generated by the collision or collision between the lifting base 221 and the base 212 when the lifting base 221 is lifted or lowered into place, and enhances the user experience.

Referring to fig. 1 to 3, in a non-limiting embodiment of the present utility model, the lifting assembly 220 further includes a decoration bracket 222, the decoration bracket 222 is located at the top of the lifting base 221, a lifting panel 223 is installed at the top of the decoration bracket 222, the decoration bracket 222 includes a decoration chassis 2221 and a decoration side frame 2222, the lifting panel 223 is disposed at the top of the decoration side frame 2222, and an air outlet grille 2223 is disposed on the decoration chassis 2221. The decorative support 222 is arranged for discharging the fragrance, and is used for supporting and installing the lifting panel 223, so that the decorative support 222 and the lifting panel 223 extend out to play a decorative effect while the fragrance discharges the fragrance.

Referring to fig. 1, 2 and 4, in a non-limiting embodiment of the present utility model, the speed reducing mechanism 230 includes a fixing member 231, a driving member 232 and a transmission assembly 233, the fixing member 231 is fixed on the base 212 by a fastener, the transmission assembly 233 and the driving member 232 are disposed on the fixing member 231, and the driving member 232 is connected with the transmission assembly 233 to drive the transmission assembly 233 to transmit. The fixing member 231 is configured to fix and bear the driving member 232 and the transmission assembly 233, so that the driving member 232 and the transmission assembly 233 are fixed on the base 212 through the fixing member 231, and the fixing member 231 has reasonable structural distribution and compact arrangement, effectively reduces the overall volume of the speed reducing mechanism 230, and reduces the occupied space thereof. In this embodiment, the driving member 232 is a motor, specifically, the motor is a single-shaft motor, a worm is disposed on an output shaft of the motor, two sides of the worm are respectively engaged with the two transmission assemblies 233, and the motor drives the transmission assemblies 233 to transmit through the worm 2321.

Referring to fig. 1, 2 and 4, in a non-limiting embodiment of the present utility model, the transmission assemblies 233 are two sets, and are symmetrically disposed on two sides of the fixing member 231. The two groups of transmission assemblies 233 are arranged, so that the lifting assembly 220 is driven by synchronous transmission of the transmission assemblies 233 on two sides, and the stability is better; moreover, the driving member 232 is synchronously connected with the two sets of transmission assemblies 233, so as to drive the two sets of transmission assemblies 233 to synchronously transmit, ensure the transmission consistency of the two sets of transmission assemblies 233, and further ensure the stability of the up-and-down reciprocating motion of the lifting assembly 220.

Referring to fig. 1, 2, and 4-6, in a non-limiting embodiment of the present utility model, the transmission assembly 233 includes a drive gear coupled to the drive member 232, the drive gear being in meshed engagement with a rack 2337. In this scheme, the transmission assembly 233 is composed of a driving gear and a rack 2337, and has a simple and clear structure, and is more rapid and convenient to install and transmit.

Referring to fig. 5, in a non-limiting embodiment of the present utility model, the transmission assembly 233 may have a three-stage transmission structure in addition to the above-mentioned structure, in which the driving gear is an integral gear formed by a first large gear 2331 and a first small gear 2332, and the transmission assembly 233 further includes a clutch, where the clutch is formed by a second large gear 2333 and a second small gear 2334, the second large gear 2333 is in meshed connection with the first small gear 2332, and the second small gear 2334 is in meshed connection with the rack 2337. In this embodiment, a gear spring plate 2336 is disposed at the center of the second large gear 2333, a gear shaft 2335 extending into the gear spring plate 2336 is disposed at the center of the second small gear 2334, and the large and small gears are connected with the gear shaft 2335 through the gear spring plate 2336 in a transmission manner to form a clutch. In this embodiment, the first large gear 2331 and the worm 2321 in the driving gear form a first stage worm and helical gear meshing transmission, the first small gear 2332 and the second large gear 2333 form a second stage straight gear and straight gear meshing transmission, and the second small gear 2334 and the rack 2337 form a third stage gear and rack meshing transmission, that is, in this embodiment, the transmission component 233 is a three-stage transmission structure of the worm and helical gear, the straight gear and straight gear, and the gear and rack. In this scheme, on the basis of the transmission component 233 formed by the driving gear and the rack 2337, a clutch is additionally arranged, so that the transmission component 233 is in a three-stage transmission structure, when the lifting component 220 rises to a proper position or fragrance is always in a gas-out state, the lifting component 220 is always higher than the CAS surface, a human hand is easy to press the lifting component 220 protruding from the CAS surface, at the moment, if no protection measures are taken, the gear reduction mechanism 230 is under the action of a large external force, namely, the human hand presses the lifting component 220, the lifting component 220 further applies force to the reduction mechanism 230, the reduction mechanism 230 is easily damaged, such as the risk of root fracture and the like, the clutch is designed for the risk, the clutch is additionally arranged, when the external force exceeds a certain value, the lifting component 220 rotates and falls along with the slipping of the clutch, the driving component 232 is electrified again, the lifting component 220 rises normally, and the design of the clutch has a collapse protection function on the reduction mechanism 230.

Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the driving structure 200 of the fragrance auxiliary system further includes an upper cover 211, and the upper cover 211 is fastened to the base 212. The upper cover 211 is buckled with the base 212, so that the lifting assembly 220, the speed reducing mechanism 230 and the like are arranged in the upper cover 211 and the base 212, the whole transmission structure is protected, and the service life of the transmission structure of the fragrance auxiliary system is effectively prolonged.

Referring to fig. 1, 2, 8 and 9, in a non-limiting embodiment of the present utility model, the driving structure 200 of the fragrance auxiliary system further includes a fixing panel 213, and the fixing panel 213 is located on top of the upper cover 211 and the base 212. The fixing panel 213 is disposed to cover the upper cover 211 and the upper portion of the base 212, specifically, the middle of the fixing panel 213 is a hollow portion that is matched with the decorative support 222, so as to ensure that the lifting assembly 220 can reciprocate up and down freely, the top of the hollow portion is of a step structure, and when the lifting assembly 220 is lowered to a proper position, the lifting panel 223 is partially hidden in a recess of the step structure of the fixing panel 213, so that the lifting panel 223 has a decorative effect, and impurities can be prevented from entering when not in use, the whole transmission structure is protected, and the service life of the transmission structure of the fragrance auxiliary system is effectively prolonged.

Referring to fig. 1 and 2, in a non-limiting embodiment of the present utility model, the bottom of the air duct 110 is a fragrance air inlet 111, and the fragrance enters the air duct 110 from the fragrance air inlet 111 and then exits from an air outlet grille 2224 at the top of the lifting base 221. The bottom of the air duct 110 that fragrance air inlet 111 set up makes the bottom entering of fragrance from air duct 110, and the last grid 2224 that gives off that is located the transmission structure top gives off and gives off the air, makes the user feel top fragrance simultaneously, can experience the dynamic dazzling experience that decorative support 222 and lifting panel 223 stretch out.

Referring to fig. 1 to 9, the driving structure of the fragrance auxiliary system of the present utility model is operated in the process or principle:

a motor is output to a rack 2337 through a gear assembly which is symmetrical on two sides, the rack 2337 is fixed with a lifting base 221 in the lifting assembly 220 through screws, the rack 2337 drives the lifting assembly 220 to move together after the motor is started, and meanwhile, the lifting guide rod 240 plays a guiding role and is used for preventing deflection along with vibration of a vehicle body when the mechanism acts. Specifically, when the rack 2337 is lifted, the lifting assembly 220 is also lifted until the lifting limit 2121 is reached, and the mechanism stops operating, at which time the lifting base 221 is lifted into position, as shown in fig. 8; if the motor is reversed, the rack 2337 is lowered, and the lift assembly 220 is lowered until the lowering limit 2122 is reached, and the mechanism stops, and the lift base 221 is lowered into position, as shown in fig. 9.

In the description of the present utility model, it should be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing examples are merely exemplary embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and that these obvious alternatives fall within the scope of the utility model.

Claims (10)

1. A fragrance auxiliary system transmission structure which is characterized in that: install in the outside of fragrance air duct, the on-line screen storage device comprises a base, the base inboard is equipped with lifting unit, reduction gears and lift guide arm, reduction gears is located the central zone of base, the lift guide arm is located the both sides area of base, lifting unit includes lift base, lift base and lift guide arm sliding connection are driven along the lift guide arm by reduction gears and are removed, the middle part of lift base is equipped with the fragrance air duct that link up lift base center, the top of lift base is equipped with the grid of giving vent to anger.

2. The fragrance auxiliary system transmission structure according to claim 1, wherein the two sides of the lifting base, which are matched with the lifting guide rods, are respectively provided with a sliding part protruding outwards, the top and the bottom of the sliding part are respectively provided with a shock pad, and the upper part and the lower part of the base, which are provided with the lifting guide rods, are respectively provided with a lifting limit position and a descending limit position.

3. The fragrance auxiliary system transmission structure of claim 2, wherein the lifting assembly further comprises a decorative bracket, the decorative bracket is located at the top of the lifting base, the decorative bracket comprises a decorative underframe and a decorative side frame, the top of the decorative side frame is provided with a lifting panel, and the decorative underframe is provided with an air outlet grid.

4. The fragrance auxiliary system transmission structure according to claim 1, wherein the speed reducing mechanism comprises a fixing piece, a driving piece and a transmission assembly, the fixing piece is fixed on the base through a fastening piece, the transmission assembly and the driving piece are arranged on the fixing piece, and the driving piece is connected with the transmission assembly to drive the transmission assembly to transmit.

5. A fragrance auxiliary system transmission structure according to claim 4, wherein the transmission components are two groups, and are respectively arranged symmetrically on two sides of the fixing piece.

6. A fragrance auxiliary system transmission arrangement according to claim 5, characterized in that the transmission assembly comprises a drive gear connected to a drive member, the drive gear being in meshed connection with a rack.

7. The fragrance auxiliary system transmission arrangement of claim 6 wherein the transmission assembly is a three stage transmission arrangement and further comprising a clutch comprising a large gear and a small gear, the large gear being in meshed connection with the upper stage gear and the small gear being in meshed connection with the rack.

8. A fragrance auxiliary system transmission arrangement according to any one of claims 1-7, further comprising an upper cover which is snap-fit connected to the base.

9. A fragrance auxiliary system transmission arrangement according to claim 8 further comprising a fixed panel located on top of the upper cover and base.

10. A fragrance auxiliary system transmission structure according to any one of claims 1 to 7, wherein the bottom of the air duct is a fragrance air inlet, the fragrance enters the air duct from the fragrance air inlet, and the fragrance is discharged from a gas outlet grid at the top of the lifting base.

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