CN113752790A - Movable cover and gas output structure for aromatherapy - Google Patents

Abstract

The invention discloses a movable cover and a gas output structure for aromatherapy, wherein the movable cover comprises a fixed seat and a conversion gas cover covering the fixed seat, two gas inlet cavities and two gas outlet cavities which are sealed and separated from each other are formed between the fixed seat and the conversion gas cover, the positions of the conversion gas cover corresponding to the gas inlet cavities and the gas outlet cavities are respectively provided with a gas inlet nozzle and a gas outlet nozzle, and the positions of the fixed seat corresponding to the gas inlet cavities and the gas outlet cavities are respectively provided with a gas inlet hole and a gas outlet hole. According to the invention, the air inlet cavity and the air outlet cavity are formed between the two cover bodies, so that the air inlet channel and the air outlet channel are formed in the same movable cover, the integral structure is simple, and the operation is convenient.

Description

Movable cover and gas output structure for aromatherapy

Technical Field

The invention belongs to the technical field of aromatherapy, and particularly relates to a movable cover and a gas output structure for aromatherapy.

Background

Along with the improvement of living standard of people, in order to improve the air environment in vehicles, families, public entertainment places and the like, people usually adopt a mode of placing champignon in the space to disperse fragrance, so that the air is fragrant, the fatigue of people is eliminated, the atmosphere is activated, and the pleasure is improved; however, the existing automobile fragrance machine is too single in structure, solidified in form and not novel enough, and the air inlet channel and the air outlet channel on the existing automobile fragrance machine are designed independently, so that the whole structure is complex, and the operation of air inlet and air outlet is not convenient.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a movable cover and a gas output structure for aromatherapy.

In order to solve the technical problem, the invention provides a movable cover which comprises a fixed seat and a conversion air cover covering the fixed seat, wherein an air inlet cavity and an air outlet cavity which are sealed and separated from each other are formed between the fixed seat and the conversion air cover, an air inlet nozzle and an air outlet nozzle are respectively arranged at positions corresponding to the air inlet cavity and the air outlet cavity on the conversion air cover, and an air inlet hole and an air outlet hole are respectively arranged at positions corresponding to the air inlet cavity and the air outlet cavity on the fixed seat.

Furthermore, a groove is formed in the middle of the upper end of the fixing seat, the conversion air cover is sleeved in the groove, and the air inlet hole and the air outlet hole are formed in the bottom of the groove.

Furthermore, the inner side surface of the conversion air cover is concavely provided with two air inlet grooves and two air outlet grooves which are not communicated with each other, after the conversion air cover is sleeved in the groove, the air inlet grooves form the air inlet cavity, and the air outlet grooves form the air outlet cavity.

Furthermore, a gasket for sealing is arranged between the conversion air cover and the fixed seat, the gasket is arranged at the bottom of the groove, and slots are formed in the positions, corresponding to the air inlet groove and the air outlet groove, of the gasket in a penetrating mode.

Furthermore, the inner wall of the groove is provided with at least two studs distributed in an annular array, positioning grooves which are in one-to-one correspondence with the studs are formed in the periphery of the conversion air cover, fixing parts fixed with the studs are formed in the periphery of the upper end of the conversion air cover, and accommodating parts are concavely formed in the positions, corresponding to the fixing parts, of the upper end of the fixing seat.

Furthermore, the air inlet groove is a straight groove extending from the center of the conversion air cover to one end, and the air outlet groove is an arc-shaped groove arranged around the center of the conversion air cover.

Furthermore, the air inlet is arranged at the center of the groove and vertically corresponds to one end of the straight groove, and the air inlet nozzle is correspondingly arranged at the other end of the straight groove; the air outlet holes are three and respectively correspond to the two ends and the middle of the arc-shaped groove up and down, and the air outlet nozzle is correspondingly arranged in the middle of the arc-shaped groove.

Furthermore, a raised second annular table is arranged at the bottom of the fixed seat, and a first cap-shaped annular sealing gasket is sleeved on the lower end face and the periphery of the second annular table; the middle of the bottom of the fixing seat is provided with a third boss, the air inlet is arranged in the middle of the third boss, the three air outlet holes are arranged around the periphery of the third boss, and a second annular sealing gasket is sleeved on the periphery of the third boss.

Furthermore, the upper end of the fixing seat extends outwards to be provided with at least two fixing lugs distributed in an annular array, the outer side end of each fixing lug penetrates through a fixing hole with a small upper part and a large lower part, and at least two vertical guide pillars distributed in an annular array are arranged on the inner wall of each fixing hole in a protruding mode.

Still provide a gaseous output structure for champignon, include as above the movable cover, still include the intake pipe that one end and suction nozzle are connected, the outlet duct that one end and discharge nozzle are connected, the air pump of being connected with the other end of intake pipe and locate the perfume bottle of movable cover below, just the upper end of perfume bottle is equipped with the centre bore and the fragrance dispersing hole that communicate with inlet port and outlet port respectively.

The invention has the following beneficial effects:

according to the invention, the movable cover capable of controlling air inlet and air outlet in the automobile aromatherapy machine is formed by utilizing the fixing seat and the conversion air cover, and the air inlet cavity and the air outlet cavity are formed between the fixing seat and the conversion air cover, so that the air inlet channel and the air outlet channel are formed in the same movable cover.

The movable cover is communicated with an air supply device arranged on the automobile fragrance machine by using an air inlet nozzle on the movable cover, and the air flows into a perfume bottle on the automobile fragrance machine through an air inlet hole, and then the air mixed with the fragrance in the perfume bottle flows out through an air outlet hole and is directly dispersed in an automobile space or is connected with an air conditioning system of the automobile through the air outlet nozzle.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:

FIG. 1 is a schematic view of a movable cover in an embodiment;

FIG. 2 is a schematic bottom view of the switching gas cover in the embodiment;

FIG. 3 is an exploded view of the movable lid in the embodiment;

FIG. 4 is a bottom view of the fixing base in the embodiment;

FIG. 5 is an exploded view of the fixing base and the first annular sealing gasket in the embodiment;

FIG. 6 is a schematic view of a gas output structure for aromatherapy in embodiment 2;

FIG. 7 is a schematic view of a perfume bottle according to example 2;

FIG. 8 is a schematic view showing the combination of the press-down lock structure and the housing in embodiment 3;

FIG. 9 is an exploded perspective view of the press-down lock structure and the housing in embodiment 3;

FIG. 10 is a sectional view showing a combination of the press-down lock structure and the housing in the conventional state in embodiment 3;

FIG. 11 is a sectional view showing a combination of the push-down locking structure and the housing in a pushed-down state according to embodiment 3;

FIG. 12 is a schematic view of an aromatherapy machine for a vehicle according to embodiment 2;

FIG. 13 is a sectional view of the aromatherapy machine for a vehicle in embodiment 2;

FIG. 14 is a schematic view of the aromatherapy machine for a vehicle of embodiment 2 with the rear cover removed;

FIG. 15 is a schematic view of the automobile fragrance machine of example 2 with the perfume bottle removed;

FIG. 16 is a schematic view showing an air inlet pipe and an air outlet pipe provided in a casing according to embodiment 3;

fig. 17 is a schematic view of a perfume bottle of example 3;

fig. 18 is a sectional view of a perfume bottle in example 3;

fig. 19 is an exploded view of a perfume bottle according to example 3;

fig. 20 is a top view of the perfume bottle of example 3;

FIG. 21 is a schematic view of a cover in embodiment 3;

FIG. 22 is a schematic view of the bottom cover in embodiment 3.

Detailed Description

For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 5, the movable cover 3 for an automobile aromatherapy machine shown in this embodiment includes a fixed seat 31 and a conversion air cover 32 covering the fixed seat 31, two air inlet cavities 301 and two air outlet cavities 302 sealed and separated from each other are formed between the fixed seat 31 and the conversion air cover 32, the air inlet cavities 301 and the air outlet cavities 302 are used as an air inlet channel and an air outlet channel, so that air inlet and air outlet are transferred in the same movable cover, an air inlet nozzle 321 and an air outlet nozzle 322 communicated with the air inlet cavity 301 and the air outlet cavity 302 are respectively arranged at positions corresponding to the air inlet cavity 301 and the air outlet cavity 302 on the conversion air cover 32, the air inlet nozzle 321 is used for communicating with an air supply device to realize air inlet of the air inlet cavity on the movable cover, the air outlet nozzle 322 is used for emitting the air entering the air outlet cavity, air inlet holes 311 and air outlet holes 312 communicated with the air inlet cavity 301 and the air outlet cavity 302 are respectively arranged at positions corresponding to the air inlet cavity 301 and the air outlet cavity 302 on the fixed seat 31, the air inlet holes 311 and the air outlet holes 312 are matched with a perfume bottle on the automobile fragrance machine, so that gas in the perfume bottle is circulated inside and outside and carries out fragrance; in the structure, the movable cover capable of controlling air inlet and air outlet in the automobile aromatherapy machine is formed by utilizing the fixing seat and the conversion air cover, the air inlet cavity and the air outlet cavity are formed between the fixing seat and the conversion air cover, the air inlet channel and the air outlet channel are formed in the same movable cover, and compared with the existing structure in which the air inlet channel and the air outlet channel are respectively and independently designed, the air inlet channel and the air outlet channel can be simultaneously carried out, and the movable cover has the advantages of being simple in integral structure and convenient to operate.

Specifically, a groove 313 is formed in the middle of the upper end of the fixed seat 31, the conversion air cover 32 is sleeved in the groove 313, the air inlet holes 311 and the air outlet holes 312 are formed in the bottom of the groove 313, and the conversion air cover 32 is convenient to mount and fix by means of the structure of the groove 313; the inner side surface of the conversion air cover 32 is concavely provided with two air inlet grooves 323 and air outlet grooves 324 which are not communicated with each other and have semicircular cross section shapes, after the conversion air cover 32 is sleeved in the groove 313 for sealing, jointing and sleeving, the air inlet grooves 323 are sealed to form air inlet cavities, and the air outlet grooves 324 are sealed to form air outlet cavities.

Specifically, a gasket 33 for sealing is arranged between the conversion air cover 32 and the fixed seat 31, the gasket 33 is arranged at the bottom of the groove 313, the gasket 33 enables the inner side surface of the conversion air cover 32 and the bottom surface of the groove 313 to be in tight sealing contact, so that mutual sealing isolation between the air inlet cavity and the air outlet cavity is ensured, and a groove 331 with the same shape as the air inlet cavity and the air outlet cavity is arranged on the gasket 33 at the position corresponding to the air inlet groove 323 and the air outlet groove 324 in a penetrating mode and is used for enabling air to pass through the gasket, so that the air inlet cavity is communicated with the air inlet hole, and the air outlet cavity is communicated with the air outlet hole.

Specifically, four studs 314 distributed in an annular array are arranged on the inner wall of the groove 313, positioning grooves 325 corresponding to the studs 314 in a one-to-one manner are formed in the periphery of the conversion air cover 32, the studs are matched with the positioning grooves, so that the conversion air cover is convenient to position and fix, the problem that air inlet holes and air outlet holes do not correspond to air inlet cavities and air outlet cavities due to the fact that the conversion air cover rotates automatically is avoided, fixing portions 326 fixed with the studs are arranged on the periphery of the upper end of the conversion air cover 32, the fixing portions 326 are fixed on the studs 314 through screws, accommodating portions 315 are concavely arranged at positions corresponding to the fixing portions 326 on the upper end of the fixing base 31, the fixing portions 326 are clamped in the accommodating portions 315, and the conversion air cover is further positioned and fixed.

Specifically, the air inlet groove 323 is a straight groove extending from the center of the conversion air cover to one end, the air outlet groove 324 is an arc-shaped groove arranged around the center of the conversion air cover, and two ends of the arc-shaped groove are respectively arranged at two sides of the straight groove; the air inlet is arranged at the center of the groove and vertically corresponds to one end of the straight groove, which is positioned at the center of the conversion air cover, and the air inlet nozzle is correspondingly arranged at the other end of the straight groove; the number of the air outlet holes is three, the three air outlet holes respectively correspond to the two ends and the middle of the arc-shaped groove up and down, and the air outlet nozzle is correspondingly arranged in the middle of the arc-shaped groove, so that the movable cover forms a structure which is not interfered with each other and has central air inlet and peripheral air outlet.

Specifically, the bottom of the fixed seat 31 is provided with a raised second annular table 316, and the lower end face and the periphery of the second annular table 316 are sleeved with a cap-shaped first annular sealing gasket 34 for sealing in cooperation with the mouth of a perfume bottle on an automobile fragrance machine; a third boss 317 is arranged in the middle of the bottom of the fixed seat 31, the air inlet 311 is arranged in the middle of the third boss 317, a second annular sealing gasket 35 is sleeved on the periphery of the third boss 317, and the third boss 317 is used for being inserted into a central hole in a perfume bottle and sealed by the second annular sealing gasket; the three air outlet holes are arranged around the periphery of the third boss and used for outflow of air in the perfume bottle; in this embodiment, the second annular ledge 316 and the third boss 317 are both tapered with a smaller bottom and a larger top.

Specifically, the upper end periphery of fixing base 31 extends outwards and is equipped with three fixed ear 318 that distributes with the annular array, and the outside end of fixed ear 318 runs through and is equipped with the fixed orifices 319 that is the echelonment about big end to end, utilizes this fixed ear to suit the sliding seat on the fixed column in the automobile fragrance machine, and the arch is equipped with three vertical guide pillar 310 that distributes with the annular array on the inner wall of fixed orifices for reduce the area of contact between fixed ear and the fixed column, reduced frictional force between the two.

In this embodiment, the gasket, the first annular sealing gasket and the second annular sealing gasket are all rubber gaskets or silica gel gaskets.

Example 2

As shown in fig. 1 to 7, the gas output structure for aromatherapy shown in this embodiment includes the movable cover 3 as described in embodiment 1, further includes an air inlet pipe 41 having one end connected to the air inlet nozzle, an air outlet pipe 42 having one end connected to the air outlet nozzle, an air pump 4 connected to the other end of the air inlet pipe 41, and a perfume bottle 2 disposed below the movable cover, and the upper end of the perfume bottle 2 is provided with a central hole 222 and a perfume dispersing hole 223 respectively communicated with the air inlet hole 41 and the air outlet hole 42, and a third boss on the movable cover 3 can be inserted downward into the central hole and contact with the upper end face of the perfume bottle to form a seal by using a second annular sealing gasket; in the structure, the air inlet nozzle is communicated with the air pump on the automobile fragrance machine, so that the realization is carried out from the air supply structure, the dependence of the automobile fragrance machine on an automobile air-conditioning system is reduced, and the air outlet nozzle can be directly scattered in an automobile space or connected with the air-conditioning system of an automobile through the air outlet pipe, so that the fragrance scattering purpose is realized.

In this embodiment, an annular groove 224 for accommodating the second annular platform and forming a sealing contact is formed in the middle of the upper end of the perfume bottle 2, four notches 225 are formed in the inner side wall surface of the annular groove 224, the bottom surfaces of the notches 225 are provided with four fragrance diffusing holes 223 for penetrating through the perfume bottle from inside to outside, that is, the number of the fragrance diffusing holes is four, and after the second annular platform 316 is in contact with the annular groove 224 and sealed, the fragrance diffusing holes 223 are communicated with the air outlet holes 42 by the notches 225.

Example 3

As shown in fig. 1 to 5 and 8 to 22, the automobile fragrance machine of the embodiment includes a housing, a press-down locking structure and an air pump 4 which are arranged in the housing, and a perfume bottle 2 which is arranged at the front end of the housing, wherein the press-down locking structure includes a movable cover 3 which is positioned above the perfume bottle 2 and is slidably arranged on the housing, and a driving mechanism which drives the movable cover 3 to slide up and down, and a third through hole 15 for the movable cover to pass through is arranged at a position corresponding to the lower end of the movable cover 3 on the housing; the movable cover 3 is internally provided with an air inlet cavity 301 and an air outlet cavity 302 which are sealed and separated from each other, the upper end of the movable cover 3 is provided with an air inlet nozzle 321 and an air outlet nozzle 322 which are respectively communicated with the air inlet cavity 301 and the air outlet cavity 302, the air inlet nozzle 321 is communicated with the air pump 4 through an air inlet pipe 6 to realize air inlet of the air inlet cavity on the movable cover, and the air outlet nozzle 322 is communicated to the outside of the shell through an air outlet pipe 7, so that fragrance can be directly dispersed in an automobile space or connected with an air conditioning system of an automobile to realize the fragrance dispersion purpose; in the structure, the movable cover is driven to slide downwards by a driving mechanism, so that the third boss and the second boss at the lower end of the movable cover protrude out of the third through hole and are respectively inserted into the central hole and the annular groove in the perfume bottle below the third boss and the second boss at the lower end of the movable cover, thereby realizing the locking of the perfume bottle, and the movable cover has the characteristics of simple structure and convenient operation; and the movable cover which is pressed and locked is provided with an air inlet channel consisting of an air inlet nozzle, an air inlet cavity and an air inlet hole and an air outlet channel consisting of an air outlet nozzle, an air outlet cavity and an air outlet hole, and the air inlet channel and the air outlet channel are matched with a central hole and fragrance dispersing holes on the perfume bottle to realize the air inlet and air outlet functions, so that the movable cover is utilized to lock the perfume bottle and realize the fragrance dispersing function, the locking structure is effectively combined with the air inlet channel and the air outlet channel structure, and the integral structure and the operation process are simplified.

In this embodiment, the outer shell includes a hollow shell 51 penetrating from front to back, a rear cover 52 covering an opening at the rear end of the hollow shell 51, a housing 11 fastened to the upper end of the inner side of the hollow shell 51 and having an accommodating groove 10, a fixed shell 53 fastened to the lower end of the inner side of the hollow shell 51 and located below the housing, and a bottle seat 54 fixed to the front end of the fixed shell 53; a placing platform 541 for placing perfume bottles 2 is arranged at the front end of the bottle seat 54, the movable cover 3 is slidably arranged at the front end of the accommodating groove 10, a return spring 14 is arranged between the movable cover 3 and the bottom of the accommodating groove 10, and the third through hole 15 is arranged at the bottom of the accommodating groove 10; the driving mechanism comprises a motor 12 arranged at the rear end of the accommodating groove 10 and a worm 13 which is in transmission connection with the motor 12 and is positioned above the movable cover 3, wherein two pressing sheets 16 which are used for pressing the movable cover 3 downwards and enabling a second annular table 316 and a third boss 317 at the lower end to protrude out of a third through hole 15 are arranged on one side of the worm 13 in a radial protruding mode; in the structure, initially, the movable cover is positioned in the third through hole, the pressing piece on the worm is positioned above the movable cover, the length extending direction of the outward extension of the pressing piece is parallel to the movable cover (as shown in fig. 10), when the movable cover needs to be pressed down to lock the perfume bottle, the worm is driven to rotate through the motor, the pressing piece on the worm gradually presses down the movable cover (as shown in fig. 11) when the pressing piece rotates downwards, and then the lower end of the movable cover protrudes out of the shell and is clamped into the perfume bottle below the movable cover in the automobile fragrance machine, so that the perfume bottle is locked; a left and right first receiving chamber 531 and a second receiving chamber 532 are formed between the fixed case 53 and the rear cover 52, the air pump 4 is disposed in the first receiving chamber 531, and one end of the air outlet pipe 7 is communicated to the outside of the rear cover 52.

Specifically, the movable cover 3 includes a fixed seat 31 slidably disposed on the housing 11 and a switching air cover 32 covering the fixed seat 31, an air inlet cavity 301 and an air outlet cavity 302 are formed between the fixed seat 31 and the switching air cover 32, the air inlet nozzle 321 and the air outlet nozzle 322 are disposed on the switching air cover 32, the third boss 317 and the second boss 316 are disposed at the lower end of the fixed seat 31, and the air outlet hole 312 is disposed on the fixed seat 31; in this structure, constitute the movable cover through utilizing two parts of fixing base and conversion gas lid to the convenience is formed with air inlet cavity and play gas cavity in the movable cover, is convenient for process the preparation.

Specifically, a groove 313 is formed in the middle of the upper end of the fixed seat 31, the conversion air cover 32 is sleeved in the groove 313, the air inlet holes 311 and the air outlet holes 312 are formed in the bottom of the groove 313, and the conversion air cover 32 is convenient to mount and fix by means of the structure of the groove 313; the inner side surface of the conversion air cover 32 is concavely provided with two air inlet grooves 323 and air outlet grooves 324 which are not communicated with each other and have semicircular cross section shapes, after the conversion air cover 32 is sleeved in the groove 313 for sealing, jointing and sleeving, the air inlet grooves 323 are sealed to form air inlet cavities, and the air outlet grooves 324 are sealed to form air outlet cavities.

Specifically, a gasket 33 for sealing is arranged between the conversion air cover 32 and the fixed seat 31, the gasket 33 is arranged at the bottom of the groove 313, the gasket 33 enables the inner side surface of the conversion air cover 32 and the bottom surface of the groove 313 to be in tight sealing contact, so that mutual sealing isolation between the air inlet cavity and the air outlet cavity is ensured, and a groove 331 with the same shape as the air inlet cavity and the air outlet cavity is arranged on the gasket 33 at the position corresponding to the air inlet groove 323 and the air outlet groove 324 in a penetrating mode and is used for enabling air to pass through the gasket, so that the air inlet cavity is communicated with the air inlet hole, and the air outlet cavity is communicated with the air outlet hole.

Specifically, four studs 314 distributed in an annular array are arranged on the inner wall of the groove 313, positioning grooves 325 which are one-to-one with the studs 314 are formed in the periphery of the conversion air cover 32, the studs are matched with the positioning grooves, so that the conversion air cover is convenient to position and fix, the problem that air inlet holes and air outlet holes do not correspond to air inlet cavities and air outlet cavities due to the fact that the conversion air cover rotates automatically is avoided, fixing portions 326 fixed with the studs are arranged on the periphery of the upper end of the conversion air cover 32, the fixing portions 326 are fixed on the studs 314 through screws, accommodating portions 315 are concavely arranged at positions, corresponding to the fixing portions 326, of the upper end of the fixing base 31, the fixing portions 326 are clamped in the accommodating portions 315, and the conversion air cover is further positioned and fixed.

Specifically, the air inlet groove 323 is a straight groove extending from the center of the conversion air cover to one end, the air outlet groove 324 is an arc-shaped groove arranged around the center of the conversion air cover, and two ends of the arc-shaped groove are respectively arranged at two sides of the straight groove; the air inlet is arranged at the center of the groove and vertically corresponds to one end of the straight groove, which is positioned at the center of the conversion air cover, and the air inlet nozzle is correspondingly arranged at the other end of the straight groove; the number of the air outlet holes is three, the three air outlet holes respectively correspond to the two ends and the middle of the arc-shaped groove up and down, and the air outlet nozzle is correspondingly arranged in the middle of the arc-shaped groove, so that the movable cover forms a structure which is not interfered with each other and has central air inlet and peripheral air outlet.

Specifically, a first annular sealing gasket 34 in the shape of a cap is sleeved on the lower end face and the periphery of the second annular platform 316 and is used for being matched with an annular groove at the upper end of a perfume bottle for sealing; the periphery of the third boss 317 is sleeved with a second annular sealing gasket 35, and the third boss 317 is used for being inserted into a central hole on a perfume bottle and sealed by the second annular sealing gasket; in addition, the second annular platform 316 and the third boss 317 are both in a tapered shape with a small lower part and a large upper part, so that the second annular platform and the third boss can be conveniently clamped into a perfume bottle and the sealing performance after the second annular platform and the third boss are combined is improved.

Specifically, three fixing posts 17 are convexly arranged at one end of the accommodating groove 10 in an annular array distribution manner and surround the third through hole 15, three fixing lugs 318 are outwards extended from the upper end of the fixing seat 31 and are respectively sleeved on the fixing posts 17 in a one-to-one correspondence manner, a step-shaped fixing hole 319 with a large upper part and a small lower part is arranged at the outer side end of each fixing lug 318 in a penetrating manner, three vertical guide posts 310 distributed in an annular array manner are convexly arranged on the inner wall of the hole with a small upper end of each fixing hole 319, so that the fixing posts are limited between the three vertical guide posts 310, the contact area between the fixing lugs and the fixing posts is reduced, the friction force between the fixing lugs and the fixing posts is reduced, the movable cover can conveniently slide up and down, the return spring 14 is sleeved on the fixing posts 17 and is positioned at the large part of the lower end in the fixing holes 319, and therefore the return spring is limited between the movable cover and the bottom of the accommodating groove by the step-shaped fixing holes, the upward reset of the movable cover after being pressed down is realized.

In this embodiment, one end of the worm 13 is connected to the rotating shaft of the motor 12, one end of the accommodating groove 10 is fixedly provided with a worm fixing plate 18 through a screw, the worm fixing plate 18 is provided with an accommodating hole 181 at a position corresponding to the worm 13, the other end of the worm 13 is rotatably arranged in the accommodating hole 181, and the worm fixing plate is used to effectively support the worm; the other end of the holding tank 10 is provided with a fixing platform 101 for fixing the motor 12, the height of the motor and the worm is higher than that of the movable cover by using the fixing platform and the worm fixing plate, the fixing platform is also provided with a motor fixing plate 19 covering the upper end of the motor, and after the motor is arranged on the fixing platform, the motor fixing plate 19 is connected with the fixing platform by using a screw to fix the motor.

In this embodiment, the outer end of the pressing piece 16 is arc-shaped, so that the outer end of the pressing piece rotates downward and then contacts with the movable cover in a sliding manner, the pressing piece is convenient to press down, and the problem of jamming between the pressing piece and the movable cover can be avoided.

In the embodiment, the perfume bottle 2 comprises a bottle body 21 and a bottle cap 22 in threaded connection with the periphery of a bottle opening 20 on the bottle body 21, a first annular platform 221 inserted into the bottle opening is convexly arranged in the middle of the inner side of the bottle cap 22, a bottom cap 23 in threaded connection with the first annular platform 221 is covered at the lower end of the first annular platform 221, a containing cavity 201 is formed between the first annular platform 221 and the bottom cap 23, a central hole 222 and four fragrance dispersing holes 223 equidistantly arranged around the central hole 222 are arranged in the middle of the bottle cap 22 in a penetrating mode, and a ring groove 224 is arranged at the upper end of the bottle cap and arranged around the fragrance dispersing holes; the fragrance diffusing hole 223 is communicated with the accommodating cavity 201, a first through hole 231 which is vertically corresponding to the central hole 222 penetrates through the center of the bottom cover 23, and four first slotted holes 232 which are communicated with the accommodating cavity 201 penetrate through the bottom cover 23; a sealing cover 25 for simultaneously sealing the central hole 222, the fragrance scattering hole 223 and the first through hole 231 is arranged in the accommodating cavity 201 in an up-and-down sliding manner, a gap for communicating the first slotted hole and the fragrance scattering hole is formed between the periphery of the sealing cover and the first ring platform and is used as a gas outlet channel, a spring 24 is arranged between the sealing cover and the bottom cover 23, so that the sealing cover is formed into an elastic pressing type switch structure, a frustum 257 inserted into the central hole 222 is arranged in the middle of the upper end of the sealing cover, an inverted T-shaped second slotted hole is also arranged in the middle of the sealing cover, the upper end and lower end holes of the second slotted hole are respectively positioned in the central hole 222 and the first through hole 231, namely the second slotted hole is a structure with a central gas inlet side gas outlet, the inner wall or other external structures of the first through hole can be conveniently used for sealing the hole at the lower end, and the upper end opening of the second slotted hole corresponds to the gas inlet hole 311 up-and down; at the beginning, the sealing cover is influenced by the elastic force of the spring, the upper end face of the sealing cover is abutted against the inner side face of the bottle cover, so that the fragrance diffusing hole is sealed, and the lower end hole opening of the second slotted hole is positioned in the first through hole to be sealed, namely, the passage and the air outlet passage of the second slotted hole are closed simultaneously; when the sealing cover is pressed by external force to move downwards, the upper end of the sealing cover is separated from the bottle cover downwards, the middle lower end of the sealing cover protrudes out of the bottom cover, so that the fragrance dispersing hole and a second slotted hole in the first through hole are opened, the second slotted hole is communicated with the space in the bottle, the first slotted hole is communicated with the fragrance dispersing hole through the containing cavity, when the motor drives the worm to rotate and presses the movable cover downwards through the pressing sheet, the third boss on the movable cover is used for pressing the frustum, so that the first through hole and the fragrance dispersing hole are opened, the second slotted hole is communicated with the space in the bottle, and the first slotted hole is communicated with the fragrance dispersing hole; in the structure, the sealing cover between the first ring platform and the bottom cover forms an elastic pressing structure through the matching of the first ring platform and the bottom cover, the sealing cover forms a pressing switch for controlling the opening or closing of the air flow channel, the second slotted hole for air inlet and the first slotted hole for air outlet can be opened or closed simultaneously, so that the outside is communicated or separated with the inside of the bottle body, the second slotted hole for air inlet is arranged in the middle of the sealing cover and is used for communicating the air inside and outside the bottle body up and down to form an air inlet channel which is not communicated with the inside of the accommodating cavity, the first slotted hole for air outlet is communicated with the fragrance dispersing hole on the bottle cover through the accommodating cavity to form an air outlet channel, so that the sealing cover can be used for simultaneously sealing the air inlet channel and the air outlet channel, the air inlet channel and the air outlet channel can be separated from each other, further, a structure for air inlet at the center and air outlet at the periphery is formed, and the air can effectively and fully enter the inside of the bottle body, air enters the bottle and is fully mixed with the fragrance and then flows out, so that the fragrance dispersing effect is improved.

Specifically, the sealing cover comprises a cover body 251 which is sleeved on the inner side of the bottom cover 23 in a vertically sliding manner and a pipeline rod 252 which vertically penetrates through the middle of the cover body 251, the upper end and the lower end of the pipeline rod 252 are respectively inserted into the central hole 222 and the first through hole 231, a central axial hole 253 is formed in the pipeline rod 252 in a penetrating manner, a through hole 254 communicated with the central hole 253 is radially arranged at the lower end of the pipeline rod 252 in a penetrating manner, a sealing element 255 is arranged at the lower end opening of the central hole 253, and the through hole is positioned on the upper side of the end part of the inner side of the sealing element to avoid the sealing element from being blocked, so that the central hole 253 and the through hole 254 form a second inverted T-shaped through hole; a second through hole 258 for the pipeline rod 252 to pass through is formed in the middle of the frustum 257, a radially protruding limiting ring table 259 is arranged on the periphery of the upper end portion of the pipeline rod 252, and the lower end face of the limiting ring table 259 abuts against the upper end face of the frustum 257, so that the upper end and the lower end of the pipeline rod are limited through the limiting ring table and a pressing plate, and the influence on sealing performance due to the fact that the pipeline rod has a loose gap is avoided; the central hole 222 is a tapered hole with a small top and a large bottom, and is used for realizing stroke limitation and sealing by matching with a frustum.

Specifically, a pressure plate 256 with an outer diameter larger than that of the first through hole 231 is fixedly arranged at the lower end of the pipeline rod 252 through a sealing element 255, the sealing element is preferably a screw and is convenient to assemble, the upper end face of the pressure plate 256 abuts against the outer side face of the bottom cover 23 and is used for sealing the first through hole and the second slotted hole in the first through hole, the sealing cover and the bottom cover can be assembled together through the pressure plate to form an integrated pressing structure, the later-stage combined installation and disassembly of the pressing structure and the bottle cover are facilitated, the pipeline rod 252 and the pressure plate are in a separated detachable design, and the assembly and disassembly of the cover body and the pipeline rod and the assembly and disassembly of the sealing cover and the bottom cover are facilitated; in the embodiment, a gap is formed between the position of the lower end of the pipeline rod, which is provided with the through hole, and the first through hole, so that the through hole can be communicated with the interior of the bottle body by the gap after the sealing cover is pressed downwards to separate the pressing plate from the bottom cover; in other embodiments, the structure may be designed such that the via hole protrudes from the first via hole after being pressed down, thereby achieving communication between the via hole and the inside of the bottle body.

Specifically, the interval of the inner side surface of the bottom cover 23 is convexly provided with two first bosses 232 and two second bosses 233 which are arranged from inside to outside and sequentially surround the first via holes 231, the spring 24 is sleeved on the periphery of the first bosses 232, and the lower end of the cover body 251 is sleeved on the periphery of the second bosses 233, so that the sealing cover and the spring are positioned, the problem of deflection and displacement of the sealing cover is avoided, and an effective sliding sleeving structure is formed between the sealing cover and the bottom cover.

Specifically, the sealing rings 250 sleeved on the peripheries of the pipeline rods 252 are arranged between the pipeline rods 252 and the inner walls of the second through holes 258 and the first bosses 232, so that the wall surfaces of the pipeline rods 252 are sealed, and the through holes 254 are located on the lower sides of the sealing rings 250, so that the sealing rings are prevented from influencing the conduction of the second slotted holes.

Specifically, a first sealing sheet 202 which is clamped and sleeved on the periphery of the pipeline rod 252 is arranged between the pressure plate 256 and the bottom cover 23; a second sealing sheet 203 sleeved on the periphery of the frustum 257 is arranged between the upper end face of the cover body 251 and the bottle cap 22, and the sealing performance of the end faces between the upper end face and the bottle cap is improved through the sealing sheet; the periphery of the lower end of the frustum 257 is provided with a clamping groove 204 which is clamped with the second sealing sheet 203, and the two sealing sheets are both clamped to keep the sealing sheets and the sealing cover to move synchronously all the time.

Specifically, four notches 225 distributed in an annular array are vertically arranged on the inner side wall surface of the ring groove 224, and the four notches 225 and the four fragrance emitting holes 223 are arranged in a one-to-one up-and-down correspondence manner.

Specifically, the inner side of the bottle cap 22 is provided with a threaded cap 26 in threaded connection with the periphery of the bottle mouth 20, an opening for the first annular platform to pass through is formed in the middle of the threaded cap 26, and a third sealing piece 261 is arranged between the threaded cap 26 and the bottle mouth 20, so that the sealing performance of the bottle mouth is improved.

In this embodiment, the gasket, the first annular sealing gasket, the second annular sealing gasket, the sealing ring, the first sealing sheet, the second sealing sheet and the third sealing sheet are all made of rubber or silica gel.

In this embodiment, a hanging plate 511 is fastened to one side of the hollow shell 51, and in practice, the hanging plate is fixed to a corresponding mounting position in the automobile, and then the automobile fragrance machine is fastened to the hanging plate, so as to complete the mounting of the automobile fragrance machine.

In this embodiment, a circuit board 8 for controlling the operation of the aromatherapy machine of the vehicle is disposed in the second accommodating cavity 532, the circuit board is electrically connected to the motor and the air pump, and the circuit board is connected to an external power source (such as a vehicle power source or an independent mobile power source) through a power line (which may be a USB cable).

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a movable cover, its characterized in that, includes fixing base and the conversion gas lid that covers on the fixing base, be formed with two sealed air inlet chamber and the air outlet chamber that separate each other between fixing base and the conversion gas lid, the conversion is covered and is being equipped with inlet nozzle and air outlet nozzle respectively in the position department that corresponds air inlet chamber and air outlet chamber, be equipped with inlet port and venthole respectively in the position department that corresponds air inlet chamber and air outlet chamber on the fixing base.

2. The removable cover according to claim 1, wherein a groove is formed in the middle of the upper end of the fixed seat, the convertible gas cover is sleeved in the groove, and the gas inlet and the gas outlet are formed in the bottom of the groove.

3. The removable cover of claim 2, wherein the inner side of the conversion cover is concavely provided with two air inlet grooves and two air outlet grooves which are not communicated with each other, after the conversion cover is sleeved in the groove, the air inlet grooves form the air inlet cavity, and the air outlet grooves form the air outlet cavity.

4. The removable cover according to claim 3, wherein a gasket for sealing is disposed between the conversion cover and the fixing seat, the gasket is disposed at the bottom of the groove, and a slot is disposed on the gasket at a position corresponding to the air inlet slot and the air outlet slot.

5. The removable cover as claimed in claim 4, wherein the inner wall of the recess has at least two studs distributed in a circular array, the outer periphery of the conversion gas cover has positioning slots corresponding to the studs one to one, the outer periphery of the upper end of the conversion gas cover has fixing portions fixed to the studs, and the upper end of the fixing seat has receiving portions recessed at positions corresponding to the fixing portions.

6. The removable cover of claim 5, wherein the inlet slot is a straight slot extending from the center of the transition cover to one end, and the outlet slot is an arcuate slot disposed around the center of the transition cover.

7. The removable cover according to claim 6, wherein the air inlet hole is formed at the center of the groove and corresponds to one end of the straight groove up and down, and the air inlet nozzle is correspondingly formed at the other end of the straight groove; the air outlet holes are three and respectively correspond to the two ends and the middle of the arc-shaped groove up and down, and the air outlet nozzle is correspondingly arranged in the middle of the arc-shaped groove.

8. The removable cover according to claim 7, wherein the bottom of the fixed seat is provided with a raised second annular platform, and a cap-shaped first annular sealing gasket is sleeved on the lower end surface and the periphery of the second annular platform; the middle of the bottom of the fixing seat is provided with a third boss, the air inlet is arranged in the middle of the third boss, the three air outlet holes are arranged around the periphery of the third boss, and a second annular sealing gasket is sleeved on the periphery of the third boss.

9. The removable cover according to claim 8, wherein the upper end of the fixing base extends outwards to form at least two fixing lugs distributed in an annular array, the outer end of each fixing lug is provided with a fixing hole with a smaller upper end and a larger lower end, and the inner wall of each fixing hole is provided with at least two vertical guide posts distributed in an annular array in a protruding manner.

10. A gas output structure for aromatherapy, comprising the movable cover as claimed in any one of claims 1 to 9, further comprising an air inlet pipe having one end connected to the air inlet nozzle, an air outlet pipe having one end connected to the air outlet nozzle, an air pump connected to the other end of the air inlet pipe, and a perfume bottle disposed below the movable cover, wherein the upper end of the perfume bottle is provided with a central hole and perfume dispersing holes respectively communicating with the air inlet hole and the air outlet hole.

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