Car aromatherapy machine

Abstract

The present invention discloses a car aromatherapy machine, comprising a housing, a push-down locking structure and an air pump arranged in the housing, and a perfume bottle arranged at the front end of the housing, the push-down locking structure comprising a movable cover located above the perfume bottle and a driving mechanism driving the movable cover to slide up and down, and a third through hole is arranged on the housing at a position corresponding to the lower end of the movable cover; the movable cover is provided with an air inlet channel composed of an air inlet nozzle, an air inlet cavity and an air inlet hole, and an air outlet channel composed of an air outlet nozzle, an air outlet cavity and an air outlet hole, the air inlet nozzle is connected to the air pump, and the air outlet nozzle is connected to the outside, the lower end of the movable cover is provided with a third boss and a second ring platform, the upper end of the perfume bottle is provided with a center hole and an annular groove respectively plugged with the third boss and the second ring platform, and a plurality of fragrance diffusion holes connected with the air outlet holes are arranged in the annular groove. The present invention drives the movable cover to slide downward through the driving mechanism, and then the lower end of the movable cover protrudes from the third through hole and is inserted into the perfume bottle below it, so as to realize the locking and air in and out of the perfume bottle.

Description

Technical Field

[0001] The invention belongs to the technical field of aroma diffusers, and in particular relates to a car aroma diffuser. Background Art

[0002] As people's living standards improve, in order to improve the air environment in cars, homes and public entertainment places, people usually place aromatherapy in the space to diffuse fragrance, make the air fragrant, eliminate people's fatigue, liven up the atmosphere and increase fun; however, the locking structure of the existing car aromatherapy machine for locking the perfume bottle is complicated and inconvenient to operate, and the locking structure and the air inlet and outlet channel structures on the car aromatherapy machine are designed independently of each other, resulting in a complicated overall structure of the car aromatherapy machine and inconvenient operation of air inlet and air outlet. Summary of the invention

[0003] The purpose of the present invention is to overcome the existing technical defects and provide a car aromatherapy machine, which drives the movable cover to slide downward through a driving mechanism, so that the lower end of the movable cover protrudes out of the third through hole and is inserted into the perfume bottle below it, thereby locking the perfume bottle. While the movable cover is used to lock the perfume bottle, the movable cover is also used to realize the air intake and exhaust functions, and has the characteristics of simple structure and easy operation.

[0004] In order to solve the above technical problems, the present invention provides a car aromatherapy machine, comprising a shell, a push-down locking structure and an air pump arranged in the shell, and a perfume bottle arranged at the front end of the shell, the push-down locking structure comprises a movable cover located above the perfume bottle and slidably arranged on the shell, and a driving mechanism for driving the movable cover to slide up and down, and a third through hole is provided on the shell at a position corresponding to the lower end of the movable cover; two air inlet cavities and air outlet cavities that are sealed and separated from each other are provided in the movable cover, and the upper end of the movable cover is provided with An air inlet nozzle and an air outlet nozzle, the air inlet nozzle is connected to the air pump, the air outlet nozzle is connected to the outside of the shell, the middle protrusion at the lower end of the movable cover is provided with a third boss and a second ring platform arranged around the third boss, the center of the third boss is provided with an air inlet hole connected to the air inlet cavity, the lower end of the movable cover and located within the contour range of the second ring platform is provided with an air outlet hole connected to the air outlet cavity, the upper end of the perfume bottle is provided with a center hole and an annular groove respectively inserted into the third boss and the second ring platform, and a plurality of fragrance holes connected to the air outlet holes are provided in the annular groove.

[0005] Furthermore, the shell comprises a hollow shell penetrating from front to back, a rear cover covering the rear end opening of the hollow shell, a shell body snap-fitted at the upper end of the inner side of the hollow shell and having a receiving groove, a fixed shell snap-fitted at the lower end of the inner side of the hollow shell, and a bottle seat arranged at the front end of the fixed shell; a placing table for placing the perfume bottle is arranged at the front end of the bottle seat, the movable cover is slidably arranged at the front end of the receiving groove, a return spring is arranged between the movable cover and the bottom of the receiving groove, and the third through hole is arranged at the bottom of the receiving groove; the driving mechanism includes A motor is arranged at the rear end of the accommodating groove and a worm gear is transmission-connected to the motor and located above the movable cover. A radial protrusion on one side of the worm gear is provided with at least one pressing piece for pressing down the movable cover and making the second ring platform and the third boss at the lower end protrude from the third through hole. Two separated first and second accommodating chambers are formed between the fixed shell and the back cover. The air pump is arranged in the first accommodating chamber. The air pump is connected to the air inlet nozzle through an air inlet pipe, and the air outlet nozzle is connected to the outside of the back cover through an air outlet pipe.

[0006] Furthermore, the movable cover includes a fixed seat slidably arranged on the shell and a conversion air cover covered on the fixed seat, the inner side surface of the conversion air cover is recessed with two air inlet grooves and air outlet grooves that are not connected to each other, and after the conversion air cover is inserted into the groove, the air inlet groove is formed into the air inlet cavity, and the air outlet groove is formed into the air outlet cavity; the air inlet nozzle and the air outlet nozzle are arranged on the conversion air cover, the third boss and the second ring platform are arranged at the lower end of the fixed seat, and the air outlet is arranged on the fixed seat; a groove is arranged in the middle of the upper end of the fixed seat, the conversion air cover is inserted into the groove, and the air inlet hole and the air outlet hole are both arranged at the bottom of the groove.

[0007] Furthermore, at least two studs distributed in a circular array are provided on the inner wall of the groove, positioning grooves corresponding to the studs are provided on the outer periphery of the conversion gas cover, and a fixing portion fixed to the studs is provided on the outer periphery of the upper end of the conversion gas cover, and an accommodating portion is recessed at the upper end of the fixing seat at a position corresponding to the fixing portion; a gasket for sealing is provided between the conversion gas cover and the fixing seat, the gasket is provided at the bottom of the groove, and slots are provided through the gasket at positions corresponding to the air inlet groove and the air outlet groove.

[0008] 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; the air inlet hole is arranged 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 arranged at the other end of the straight groove; there are three air outlet holes, which 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; the lower end face and outer periphery of the second ring platform are provided with a cap-shaped first annular sealing gasket, and the outer periphery of the third boss is provided with a second annular sealing gasket.

[0009] Furthermore, one end of the accommodating groove is protruded with at least two fixing posts arranged in a circular array around the third through hole, and the upper end of the fixing seat extends outward and is provided with at least two fixing ears which are respectively and one-to-one mounted on the fixing posts. The outer end of the fixing ear is penetrated by a fixing hole which is smaller at the top and larger at the bottom and is in a stepped shape, and at least two vertical guide posts distributed in a circular array are protruded on the inner wall of the upper end of the fixing hole, and the reset spring is mounted on the fixing post and located in the fixing hole.

[0010] Further, the perfume bottle comprises a bottle body and a bottle cap sealed and connected to a bottle mouth on the bottle body, a first ring platform inserted into the bottle mouth is provided on the inner middle protrusion of the bottle cap, a bottom cover is provided on the lower end cover of the first ring platform, a cavity is formed between the first ring platform and the bottom cover, the center hole is provided through the middle of the bottle cap, a plurality of fragrance holes are provided through the bottle cap and are arranged around the center hole, the annular groove is provided at the upper end of the bottle cap and is arranged around the fragrance holes, a first through hole corresponding to the upper and lower sides of the center hole is provided through the center of the bottom cover, and a plurality of first slot holes communicating with the cavity are also provided through the bottom cover; the cavity A sealing cover is provided inside and slides up and down for sealing the center hole, the fragrance hole and the first through hole at the same time, a spring is provided between the sealing cover and the bottom cover, a frustum is provided in the middle of the upper end of the sealing cover for inserting into the center hole, a second inverted T-shaped slot is also provided in the middle of the sealing cover, and the upper and lower end openings of the second slot are respectively located in the center hole and the first through hole, and the upper end opening of the second slot corresponds to the air inlet hole up and down; when the driving mechanism drives the movable cover to move downward and uses the third boss on the movable cover to press the frustum, the first through hole and the fragrance hole are opened, so that the second slot is connected to the space in the bottle and the first slot is connected to the fragrance hole.

[0011] Furthermore, the sealing cover includes a cover body that is slidably mounted on the inner side of the bottom cover and a pipe rod that passes through the middle of the cover body, the upper and lower ends of the pipe rod are respectively inserted into the center hole and the first through hole, the center axis of the pipe rod is axially penetrated by a center slot hole, the lower end of the pipe rod is radially penetrated by a conducting hole that is connected to the center slot hole, and a sealing member is provided at the lower end opening of the center slot hole, so that the center slot hole and the conducting hole form an inverted T-shaped second slot hole; the frustum is provided in the middle of the upper end of the cover body, the middle of the frustum is provided with a second through hole for the pipe rod to pass through, the upper end of the pipe rod is provided with a radially protruding limiting ring, and the lower end face of the limiting ring abuts against the upper end face of the frustum; a pressure plate with an outer diameter larger than the first through hole is fixedly provided at the lower end of the pipe rod through the sealing member, and the upper end face of the pressure plate abuts against the outer side surface of the bottom cover.

[0012] Furthermore, the inner side surface of the bottom cover is provided with two first bosses and a second boss arranged in sequence from the inside to the outside and surrounding the first through hole, the spring is sleeved on the outer periphery of the first boss, and the lower end of the cover body is sleeved on the outer periphery of the second boss; a sealing ring sleeved on the outer periphery of the pipe rod is provided between the pipe rod and the inner walls of the second through hole and the first boss, and the conducting hole is located at the lower side of the sealing ring; a first sealing sheet sleeved on the outer periphery of the pipe rod is provided between the pressure plate and the bottom cover, a second sealing sheet sleeved on the outer periphery of the frustum is provided between the upper end surface of the cover body and the bottle cap, and a groove engaged with the second sealing sheet is provided on the outer periphery of the lower end of the frustum.

[0013] Furthermore, the inner wall surface of the annular groove is concavely provided with a plurality of notches distributed in a circular array, and the notches are arranged one by one above and below the fragrance diffusion holes; a threaded cover is snap-fitted on the inner side of the bottle cap and is threadedly connected to the outer periphery of the bottle mouth, and a third sealing sheet is provided between the threaded cover and the bottle mouth; the bottom cover is threadedly connected to the first ring platform.

[0014] The present invention has the following beneficial effects:

[0015] The present invention drives the movable cover to slide downward by a driving mechanism, so that the lower end of the movable cover protrudes out of the third through hole and then snaps into the perfume bottle below it, thereby realizing locking of the perfume bottle, and has the characteristics of simple structure and convenient operation; and an air inlet channel composed of an air inlet nozzle, an air inlet cavity and an air inlet hole, and an air outlet channel composed of an air outlet nozzle, an air outlet cavity and an air outlet hole are arranged on the movable cover that is pressed down and locked, and the air inlet channel and the air outlet channel cooperate with the central hole and the fragrance diffusion hole on the perfume bottle to realize the air inlet and air outlet functions, so that when the movable cover is used to lock the perfume bottle, the movable cover is also used to realize the fragrance diffusion function, and the locking structure is effectively combined with the air inlet channel and the air outlet channel structure, thereby simplifying the overall structure and operation process.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, which will become obvious from the following description, or may be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 is a schematic diagram of a car aroma diffuser in an embodiment;

[0019] Figure 2 is a cross-sectional view of the car aroma diffuser in the embodiment;

[0020] Figure 3 This is a schematic diagram of the car aromatherapy machine in the embodiment with the rear cover removed;

[0021] Figure 4 A schematic diagram of removing the perfume bottle from the car aroma diffuser in the embodiment;

[0022] Figure 5 A schematic diagram of the combination of the push-down locking structure and the housing in the embodiment;

[0023] Figure 6 It is an exploded schematic diagram of the push-down locking structure and the housing in the embodiment;

[0024] Figure 7 It is a cross-sectional view of the embodiment when the push-down locking structure and the housing are combined and in a normal state;

[0025] Figure 8 It is a cross-sectional view of the embodiment when the downward pressing locking structure is combined with the housing and is in the downward pressing state;

[0026] Fig. 9 is a schematic diagram of a movable cover in an embodiment;

[0027] Fig.10 A schematic diagram of the bottom surface of the conversion gas cover in the embodiment;

[0028] Fig.11 is an exploded schematic diagram of the movable cover in the embodiment;

[0029] Fig.12 A schematic diagram of the bottom surface of the fixing seat in the embodiment;

[0030] Fig.13 It is an exploded schematic diagram of the fixing seat and the first annular sealing gasket in the embodiment;

[0031] Fig.14 is a schematic diagram of a perfume bottle in an embodiment;

[0032] Fig.15 is a cross-sectional view of a perfume bottle in an embodiment;

[0033] Fig.16 This is a schematic diagram of an exploded view of a perfume bottle in an embodiment;

[0034] Fig.17 is a top view of the perfume bottle in the embodiment;

[0035] Fig.18 is a schematic diagram of a cover body in an embodiment;

[0036] Fig.19 is a schematic diagram of a bottom cover in an embodiment;

[0037] Fig. 20 It is a schematic diagram of arranging an air inlet pipe and an air outlet pipe on the housing in an embodiment. DETAILED DESCRIPTION

[0038] In order to more fully understand the technical content of the present invention, the present invention will be further introduced and explained in conjunction with the accompanying drawings and specific embodiments below; it should be noted that if there are descriptions such as "first", "second", etc. in the text, they are used to distinguish different components, etc., and do not represent the order of precedence, nor do they limit the "first" and "second" to be different types.

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present invention.

[0040] Example 2

[0041] like Figures 1 to 20As shown, a car aromatherapy machine shown in this embodiment includes a shell, a push-down locking structure and an air pump 4 arranged in the shell, and a perfume bottle 2 arranged at the front end of the shell. The push-down locking structure includes a movable cover 3 located above the perfume bottle 2 and slidably arranged on the shell, and a driving mechanism for driving the movable cover 3 to slide up and down, and a third through hole 15 for the movable cover 3 to pass downward is provided on the shell at a position corresponding to the lower end of the movable cover 3; two air inlet cavities 301 and air outlet cavities 302 that are sealed and separated from each other are provided in the movable cover 3, and the upper end of the movable cover 3 is provided with air inlet cavities 301 and 302 that are respectively connected to the air inlet cavities 301 and 302. The air inlet nozzle 321 and the air outlet nozzle 322 connected to the air outlet cavity 302, the air inlet nozzle 321 is connected to the air pump 4 through the air inlet pipe 6, so as to realize the air intake of the air inlet cavity on the movable cover, and the air outlet nozzle 322 is connected to the outside of the shell through the air outlet pipe 7, so that the fragrance can be directly dispersed in the car space or connected to the air conditioning system of the car to achieve the purpose of dispersing fragrance; the middle protrusion at the lower end of the movable cover 3 is provided with a third boss 317 and a second ring platform 316 arranged around the third boss 317, the center of the third boss 317 is provided with an air inlet hole 311 connected to the air inlet cavity 301, and the movable cover 3 is provided with a third boss 317. The lower end of the movable cover 3 is provided with an air outlet 312 in communication with the air outlet cavity 302 within the contour range of the second ring platform 316. The upper end of the perfume bottle 2 is provided with a central hole 222 and an annular groove 224 respectively inserted with the third boss 317 and the second ring platform 316, and the annular groove 224 is provided with four fragrance holes 223 in communication with the air outlet 312. In the above structure, the movable cover is driven to slide downward by the driving mechanism, so that the third boss and the second ring platform at the lower end of the movable cover protrude from the third through hole and are respectively inserted into the central hole and the annular groove in the perfume bottle below, thereby achieving The locking of the perfume bottle has the characteristics of simple structure and convenient operation; and an air inlet channel composed of an air inlet nozzle, an air inlet cavity and an air inlet hole and an air outlet channel composed of an air outlet nozzle, an air outlet cavity and an air outlet hole are arranged on the movable cover that is pressed down and locked. The air inlet channel and the air outlet channel cooperate with the central hole and the fragrance diffusion hole on the perfume bottle to realize the air inlet and air outlet functions, so that when the movable cover is used to lock the perfume bottle, the movable cover is also used to realize the fragrance diffusion function, the locking structure is effectively combined with the air inlet channel and the air outlet channel structure, and the overall structure and operation process are simplified.

[0042] In this embodiment, the housing comprises a hollow shell 51 penetrating from front to back, a rear cover 52 covering the rear opening of the hollow shell 51, a shell body 11 clamped at the upper end of the inner side of the hollow shell 51 and having a receiving groove 10, a fixed shell 53 clamped at the lower end of the inner side of the hollow shell 51 and located below the shell body, and a bottle seat 54 fixed at the front end of the fixed shell 53; a placement table 541 for placing the perfume bottle 2 is provided at the front end of the bottle seat 54, a movable cover 3 is slidably provided at the front end of the receiving groove 10, a return spring 14 is provided between the movable cover 3 and the bottom of the receiving groove 10, and the first The three through holes 15 are arranged at the bottom of the receiving groove 10; the driving mechanism includes a motor 12 arranged at the rear end of the receiving groove 10 and a worm 13 which is transmission-connected to the motor 12 and is located above the movable cover 3, and a radial protrusion on one side of the worm 13 is provided with two pressing pieces 16 for pressing down the movable cover 3 and making the second annular platform 316 and the third boss 317 at the lower end thereof protrude from the third through hole 15; in the above structure, initially, the movable cover is located in the third through hole, the pressing piece on the worm is located above the movable cover, and the outward extension length extension direction of the pressing piece is parallel to the movable cover (such as Figure 7 When the movable cover needs to be pressed down to lock the perfume bottle, the motor drives the worm to rotate, so that the pressing piece on the worm gradually presses down the movable cover when it rotates downward (as shown in FIG. Figure 8 As shown in the figure, the lower end of the movable cover protrudes out of the shell and is inserted into the perfume bottle located below it in the car aromatherapy machine, thereby locking the perfume bottle; two separated first accommodating chambers 531 and second accommodating chambers 532 are formed between the fixed shell 53 and the rear cover 52, and the air pump 4 is arranged in the first accommodating chamber 531, and one end of the air outlet pipe 7 is connected to the outer side of the rear cover 52.

[0043] Specifically, the movable cover 3 includes a fixed seat 31 slidably arranged on the shell body 11 and a conversion gas cover 32 covered on the fixed seat 31, an air inlet cavity 301 and an air outlet cavity 302 are formed between the fixed seat 31 and the conversion gas cover 32, an air inlet nozzle 321 and an air outlet nozzle 322 are arranged on the conversion gas cover 32, a third boss 317 and a second ring platform 316 are arranged at the lower end of the fixed seat 31, and an air outlet hole 312 is arranged on the fixed seat 31; in this structure, the movable cover is composed of two components, namely the fixed seat and the conversion gas cover, so that the air inlet cavity and the air outlet cavity are formed in the movable cover, which is convenient for processing and manufacturing.

[0044] Specifically, a groove 313 is provided in the middle of the upper end of the fixing seat 31, and the conversion air cover 32 is mounted in the groove 313. The air inlet hole 311 and the air outlet hole 312 are both arranged at the bottom of the groove 313. The structure of the groove 313 is utilized to facilitate the installation and fixation of the conversion air cover 32. 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 connected to each other and have a semicircular cross-sectional shape. After the conversion air cover 32 is mounted in the groove 313 for sealing and fitting, the air inlet groove 323 is closed to form an air inlet cavity, and the air outlet groove 324 is closed to form an air outlet cavity.

[0045] Specifically, a gasket 33 for sealing is provided between the conversion gas cover 32 and the fixed seat 31, and the gasket 33 is provided at the bottom of the groove 313. Through the gasket 33, a tight sealing contact is formed between the inner side surface of the conversion gas cover 32 and the bottom surface of the groove 313, thereby ensuring the mutual sealing and isolation between the air inlet cavity and the air outlet cavity, and the gasket 33 is penetrated by grooves 331 of the same shape as the air inlet groove 323 and the air outlet groove 324 at the positions corresponding to the air inlet groove 323 and the air outlet groove 324, so that the gas passes through the gasket, so that the air inlet cavity is connected with the air inlet hole, and the air outlet cavity is connected with the air outlet hole.

[0046] Specifically, four studs 314 distributed in a circular array are provided on the inner wall of the groove 313, and positioning grooves 325 are provided on the outer periphery of the conversion gas cover 32, which are one-to-one with the studs 314. The cooperation between the studs and the positioning grooves facilitates the positioning and fixation of the conversion gas cover, and avoids the problem of the conversion gas cover rotating by itself, which causes the air inlet and air outlet holes to not correspond to the air inlet cavity and the air outlet cavity. A fixing portion 326 fixed to the stud is provided on the outer periphery of the upper end of the conversion gas cover 32, and the fixing portion 326 is fixed to the stud 314 by screws. An accommodating portion 315 is recessed at the upper end of the fixing seat 31 at the position corresponding to the fixing portion 326, so that the fixing portion 326 is engaged in the accommodating portion 315, and the conversion gas cover is further positioned and fixed.

[0047] Specifically, the air inlet groove 323 is a straight groove extending from the center of the conversion air cover to one end, and the air outlet groove 324 is an arc groove arranged around the center of the conversion air cover, and the two ends of the arc groove are respectively placed on both sides of the straight groove; the air inlet hole is arranged at the center of the groove and corresponds to the end of the straight groove located in the center of the conversion air cover, and the air inlet nozzle is correspondingly arranged at the other end of the straight groove; there are three air outlet holes, and the three air outlet holes correspond to the two ends and the middle of the arc groove respectively, and the air outlet nozzle is correspondingly arranged in the middle of the arc groove, so that the movable cover forms a non-interfering structure with central air intake and surrounding air outlet.

[0048] Specifically, a cap-shaped first annular sealing gasket 34 is mounted on the lower end surface and the outer periphery of the second annular platform 316, which is used to cooperate with the annular groove on the upper end of the perfume bottle for sealing; a second annular sealing gasket 35 is mounted on the outer periphery of the third boss 317, and the third boss 317 is used to be inserted into the central hole on the perfume bottle and sealed by the second annular sealing gasket; in addition, the second annular platform 316 and the third boss 317 are both conical in shape with a small bottom and a large top, so as to facilitate insertion into the perfume bottle and improve the sealing performance after the two are combined.

[0049] Specifically, one end of the accommodating groove 10 is protruded with three fixing posts 17 arranged in a circular array around the third through hole 15, and the upper end of the fixing seat 31 extends outward and is provided with three fixing ears 318 which are respectively and one by one mounted on the fixing posts 17. The outer end of the fixing ear 318 is penetrated by a fixing hole 319 which is smaller at the top and larger at the bottom and is in a stepped shape, and three vertical guide posts 310 distributed in a circular array are protruded on the inner wall of the smaller hole at the upper end of the fixing hole 319, so that the fixing post is confined between the three vertical guide posts 310, reducing the contact area between the fixing ears and the fixing posts, reducing the friction between the two, and facilitating the upward sliding of the movable cover. The reset spring 14 is mounted on the fixing post 17 and is located at the larger part of the lower end in the fixing hole 319, so that the reset spring is confined between the movable cover and the bottom of the accommodating groove by utilizing the stepped fixing hole, so as to realize the upward reset of the movable cover after being pressed down.

[0050] In this embodiment, one end of the worm 13 is connected to the rotating shaft of the motor 12, and one end of the accommodating groove 10 is fixed with a worm fixing plate 18 by screws. 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 accommodating groove 10 is protruded with a fixing platform 101 for fixing the motor 12, and the fixing platform and the worm fixing plate are used to make the height of the motor and the worm higher than the height of the movable cover, and a motor fixing plate 19 covering the upper end of the motor is also provided on the fixing platform. After the motor is placed on the fixing platform, the motor fixing plate 19 is connected to the fixing platform by screws to fix the motor.

[0051] In this embodiment, the outer end of the pressing piece 16 is arc-shaped, so that after the outer end is rotated downward, the contact with the movable cover is sliding contact, which facilitates the pressing of the pressing piece and avoids the problem of jamming between the pressing piece and the movable cover.

[0052] In this embodiment, the perfume bottle 2 includes a bottle body 21 and a bottle cap 22 threadedly connected to the outer periphery of the bottle mouth 20 on the bottle body 21. The inner middle protrusion of the bottle cap 22 is provided with a first ring platform 221 inserted into the bottle mouth. The lower end of the first ring platform 221 is covered with a bottom cover 23 threadedly connected thereto. A cavity 201 is formed between the first ring platform 221 and the bottom cover 23. A central hole 222 and four fragrance holes 223 arranged around the central hole 222 at equal intervals are provided through the middle of the bottle cap 22. An annular groove 224 is provided at the upper end of the bottle cap and around the fragrance holes; and the fragrance holes 223 and the cavity 201 are connected to each other. 201 is connected, a first through hole 231 corresponding to the central hole 222 is penetrated in the center of the bottom cover 23, and four first slots 232 connected to the cavity 201 are also penetrated on the bottom cover 23; a sealing cover 25 is slidably provided in the cavity 201 for sealing the central hole 222, the fragrance hole 223 and the first through hole 231 at the same time, and a gap for connecting the first slot and the fragrance hole is provided between the outer periphery of the sealing cover and the first ring platform, which is used as an air outlet channel, and a spring 24 is provided between the sealing cover and the bottom cover 23, so that the sealing cover is formed into an elastic push-type switch structure, and the sealing cover A cone 257 inserted into the center hole 222 is provided in the middle of the upper end of the sealing cover, and a second inverted T-shaped slot is also provided in the middle of the sealing cover, and the upper and lower end openings of the second slot are respectively located in the center hole 222 and the first through hole 231, that is, the second slot is a structure of central air intake and side air outlet, which is convenient for sealing the opening of the lower end thereof by using the inner wall of the first through hole or other external structures, and the upper end opening of the second slot corresponds to the air inlet hole 311 in the upper and lower directions; at the initial stage, the sealing cover is affected by the elastic force of the spring, and its upper end face abuts against the inner side face of the bottle cap, thereby sealing the fragrance diffusion hole, and the lower end opening of the second slot is located at the bottom of the second slot. The first through hole is sealed, that is, the channel and the air outlet channel are closed at the same time; when the sealing cover is pressed downward by an external force, the upper end of the sealing cover is separated from the bottle cap downward and the middle lower end of the sealing cover protrudes from the bottom cover, so as to open the fragrance diffusion hole and the second slot hole in the first through hole, so that the second slot hole is connected with the space in the bottle and the first slot hole is connected with the fragrance diffusion hole through the cavity; when the motor drives the worm to rotate and presses the movable cover downward by the pressing sheet, the third boss on the movable cover is used to press the cone to open the first through hole and the fragrance diffusion hole, so that the second slot hole is connected with the space in the bottle and the first slot hole is connected with the fragrance diffusion hole;In the above structure, the sealing cover between the first ring platform and the bottom cover forms an elastic pressing structure through the cooperation of the first ring platform and the bottom cover. The sealing cover is formed as a pressing switch for controlling the opening or closing of the air flow channel, and can simultaneously open or close the second slot hole for air intake and the first slot hole for air outlet, so as to connect or separate the outside with the inside of the bottle body, and the second slot hole for air intake is arranged in the middle of the sealing cover for connecting the air inside and outside the bottle body up and down, forming an air intake channel, which is not connected with the inside of the cavity, while the first slot hole for air outlet is connected with the fragrance diffusion hole on the bottle cover through the cavity, forming an air outlet channel, so that the air intake channel and the air outlet channel can be separated from each other while the sealing cover is used to seal the air intake channel and the air outlet channel at the same time, thereby forming a structure of central air intake and surrounding air outlet, ensuring that air can effectively and fully enter the inside of the bottle body, so that the air enters the bottle and is fully mixed with the fragrance before flowing out, thereby improving the fragrance diffusion effect. ;

[0053] Specifically, the sealing cover includes a cover body 251 that is slidably mounted on the inner side of the bottom cover 23 and a pipe rod 252 that is vertically penetrated in the middle of the cover body 251. The upper and lower ends of the pipe rod 252 are respectively inserted into the center hole 222 and the first through hole 231. A center slot 253 is axially penetrated by the center of the pipe rod 252. A through hole 254 that is connected to the center slot 253 is radially penetrated by the lower end of the pipe rod 252. A sealing member 255 is provided at the lower end of the center slot 253. The through hole is located on the upper side of the inner end of the sealing member to prevent the sealing member from blocking the through hole, so that the center slot 253 is not blocked. 53 and the conducting hole 254 form a second inverted T-shaped slot; the frustum 257 is arranged in the middle of the upper end of the cover body 251, and a second through hole 258 for the pipe rod 252 to pass through is provided in the middle of the frustum 257, and a radially protruding limiting ring 259 is provided on the outer periphery of the upper end of the pipe rod 252, and the lower end surface of the limiting ring 259 abuts against the upper end surface of the frustum 257, so that the upper and lower ends of the pipe rod are limited by the limiting ring and the pressure plate to avoid loose gaps that affect the sealing; the center hole 222 is a tapered hole with a small upper part and a large lower part, which is used to cooperate with the frustum to achieve travel limit and sealing.

[0054] Specifically, a pressing plate 256 having an outer diameter larger than the first through hole 231 is fixedly provided at the lower end of the pipe rod 252 through a sealing member 255. The sealing member is preferably a screw for easy assembly, and the upper end surface of the pressing plate 256 abuts against the outer side surface of the bottom cover 23 to seal the first through hole and the second slot in the first through hole. The sealing cover and the bottom cover can also be assembled together into an integrated pressing structure through the pressing plate, which is convenient for the assembly and disassembly of the pressing structure with the bottle cap in the later stage. The pipe rod 252 and the pressing plate are of a separate and detachable design, which is also convenient for the assembly and disassembly of the cover body and the pipe rod, and the assembly and disassembly between the sealing cover and the bottom cover. In this embodiment, there is a gap between the position where the through hole is provided at the lower end of the pipe rod and the first through hole, so that after the sealing cover is pressed down to separate the pressing plate from the bottom cover, the gap can make the through hole communicate with the inside of the bottle body. In other embodiments, the structure can also be designed so that the through hole protrudes from the first through hole after pressing down, so as to achieve the communication between the through hole and the inside of the bottle body.

[0055] Specifically, the inner side surface of the bottom cover 23 is provided with two first bosses 232 and second bosses 233 which are arranged around the first through hole 231 from the inside to the outside. The spring 24 is sleeved on the outer periphery of the first boss 232, and the lower end of the cover body 251 is sleeved on the outer periphery of the second boss 233, thereby realizing the positioning of the sealing cover and the spring, avoiding the problem of deflection and displacement of the sealing cover, and forming an effective sliding sleeve structure between the sealing cover and the bottom cover.

[0056] Specifically, a sealing ring 250 is provided between the pipe rod 252 and the inner wall of the second through hole 258 and the first boss 232, which is sleeved on the outer periphery of the pipe rod 252 to achieve sealing between the walls of the two, and the conductive hole 254 is located on the lower side of the sealing ring 250 to prevent the sealing ring from affecting the conduction of the second slot hole.

[0057] Specifically, a first sealing sheet 202 is provided between the pressure plate 256 and the bottom cover 23 and is clamped on the outer periphery of the pipe rod 252; a second sealing sheet 203 is provided between the upper end surface of the cover body 251 and the bottle cap 22 and is clamped on the outer periphery of the cone 257, and the sealing sheet improves the sealing performance of the end surfaces between the two; a clamping groove 204 is provided on the outer periphery of the lower end of the cone 257 and is clamped with the second sealing sheet 203. Both sealing sheets utilize a clamping structure to ensure that the sealing sheets and the sealing covers always move synchronously.

[0058] Specifically, four notches 225 distributed in a circular array are vertically provided on the inner wall surface of the annular groove 224 , and the four notches 225 are arranged one by one with the four fragrance diffusion holes 223 .

[0059] Specifically, a threaded cover 26 is engaged with the inner side of the bottle cap 22 and is threadedly connected to the outer periphery of the bottle mouth 20, and an opening is provided in the middle of the threaded cover 26 for the first ring to pass through. A third sealing sheet 261 is provided between the threaded cover 26 and the bottle mouth 20 to improve the sealing of the bottle mouth.

[0060] 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 silicone.

[0061] In this embodiment, a hanging plate 511 is snap-fitted on one side of the hollow shell 51. In practice, the hanging plate is fixed at a corresponding installation position in the car, and then the car aromatherapy machine is snap-fitted on the hanging plate to complete the installation of the car aromatherapy machine.

[0062] In this embodiment, a circuit board 8 for controlling the operation of the car aromatherapy machine is provided in the second accommodating cavity 532. The circuit board is electrically connected to the motor and the air pump respectively, and the circuit board is connected to an external power source (such as a car power supply or an independent mobile power supply, etc.) through a power cord (which can be a USB cord).

[0063] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A car aroma diffuser, characterized in that: The invention comprises a shell, a push-down locking structure and an air pump arranged in the shell, and a perfume bottle arranged at the front end of the shell, wherein the push-down locking structure comprises a movable cover located above the perfume bottle and slidably arranged on the shell, and a driving mechanism for driving the movable cover to slide up and down, and a third through hole is arranged on the shell at a position corresponding to the lower end of the movable cover; two air inlet cavities and air outlet cavities which are sealed and separated from each other are arranged in the movable cover, and an air inlet nozzle and an air outlet nozzle which are respectively connected to the air inlet cavity and the air outlet cavity are arranged at the upper end of the movable cover, and the air inlet nozzle The movable cover is connected to the air pump, the air outlet nozzle is connected to the outside of the shell, the lower middle protrusion of the movable cover is provided with a third boss and a second ring platform arranged around the third boss, the center of the third boss is provided with an air inlet hole connected to the air inlet cavity, the lower end of the movable cover and located within the contour range of the second ring platform is provided with an air outlet hole connected to the air outlet cavity, the upper end of the perfume bottle is provided with a central hole and a ring groove respectively inserted with the third boss and the second ring platform, and the ring groove is provided with a plurality of fragrance holes connected with the air outlet holes; The shell comprises a hollow shell penetrating from front to back, a rear cover covering the rear end opening of the hollow shell, a shell body clamped at the upper end of the inner side of the hollow shell and having a receiving groove, a fixed shell clamped at the lower end of the inner side of the hollow shell, and a bottle seat arranged at the front end of the fixed shell; a placing table for placing the perfume bottle is arranged at the front end of the bottle seat, the movable cover is slidably arranged at the front end of the receiving groove, a return spring is arranged between the movable cover and the bottom of the receiving groove, and the third through hole is arranged at the bottom of the receiving groove; the driving mechanism comprises a The motor at the rear end of the accommodating groove and the worm gear which is transmission-connected to the motor and located above the movable cover, the radial protrusion on one side of the worm gear is provided with at least one pressing piece for pressing down the movable cover and making the second ring platform and the third boss at the lower end protrude from the third through hole; two separated first and second accommodating chambers are formed between the fixed shell and the back cover, the air pump is arranged in the first accommodating chamber, the air pump is connected to the air inlet nozzle through the air inlet pipe, and the air outlet nozzle is connected to the outside of the back cover through the air outlet pipe.

2. The car aroma diffuser according to claim 1, characterized in that: The movable cover includes a fixed seat slidably arranged on the shell and a conversion air cover covered on the fixed seat, the air inlet nozzle and the air outlet nozzle are arranged on the conversion air cover, the third boss and the second ring platform are arranged at the lower end of the fixed seat, and the air outlet is arranged on the fixed seat; a groove is arranged in the middle of the upper end of the fixed seat, and the air inlet hole and the air outlet are both arranged at the bottom of the groove; the inner side surface of the conversion air cover is recessed with two air inlet grooves and air outlet grooves that are not connected to each other, and after the conversion air cover is installed in the groove, the air inlet groove is formed into the air inlet cavity, and the air outlet groove is formed into the air outlet cavity.

3. The car aroma diffuser according to claim 2, characterized in that: At least two studs distributed in a circular array are provided on the inner wall of the groove, positioning grooves corresponding to the studs are provided on the outer periphery of the conversion gas cover, and a fixing portion fixed to the studs is provided on the outer periphery of the upper end of the conversion gas cover, and an accommodating portion is recessed at the upper end of the fixing seat at a position corresponding to the fixing portion; a gasket for sealing is provided between the conversion gas cover and the fixing seat, the gasket is provided at the bottom of the groove, and slots are penetrated on the gasket at positions corresponding to the air inlet groove and the air outlet groove.

4. The car aroma diffuser according to claim 3, characterized in that: 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; the air inlet hole is arranged 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 arranged at the other end of the straight groove; there are three air outlet holes, which correspond to the two ends and the middle of the arc-shaped groove up and down respectively, and the air outlet nozzle is correspondingly arranged in the middle of the arc-shaped groove; the lower end face and outer periphery of the second ring platform are covered with a cap-shaped first annular sealing gasket, and the outer periphery of the third boss is covered with a second annular sealing gasket.

5. The car aroma diffuser according to claim 4, characterized in that: One end of the accommodating groove is protruded with at least two fixing posts arranged in a circular array around the third through hole, and the upper end of the fixing seat extends outward to be provided with at least two fixing ears which are respectively and one-to-one sleeved on the fixing posts, and the outer end of the fixing ear is penetrated by a fixing hole which is small at the top and large at the bottom and is stepped, and at least two vertical guide posts distributed in a circular array are protruded on the inner wall of the upper end of the fixing hole, and the reset spring is sleeved on the fixing post and located in the fixing hole.

6. The car aroma diffuser according to any one of claims 1 to 5, characterized in that: The perfume bottle comprises a bottle body and a bottle cap sealed with a bottle mouth on the bottle body, a first ring platform inserted into the bottle mouth is provided on the inner middle protrusion of the bottle cap, a bottom cover is provided at the lower end of the first ring platform, a cavity is formed between the first ring platform and the bottom cover, the center hole is provided through the middle of the bottle cap, a plurality of fragrance holes are provided through the bottle cap and around the center hole, the annular groove is provided at the upper end of the bottle cap and around the fragrance holes, a first through hole corresponding to the upper and lower sides of the center hole is provided through the center of the bottom cover, and a plurality of first slots connected with the cavity are provided through the bottom cover; the cavity is provided with a plurality of first slots; the upper and lower ends of the bottom cover are provided with a plurality of first slots connected with the cavity ... A sealing cover is provided on the lower slide for sealing the center hole, the fragrance hole and the first through hole at the same time, a spring is provided between the sealing cover and the bottom cover, a frustum is provided in the middle of the upper end of the sealing cover for inserting into the center hole, a second inverted T-shaped slot is also provided in the middle of the sealing cover, and the upper and lower end openings of the second slot are respectively located in the center hole and the first through hole, and the upper end opening of the second slot corresponds to the air inlet hole up and down; when the driving mechanism drives the movable cover to move downward and uses the third boss on the movable cover to press the frustum, the first through hole and the fragrance hole are opened, so that the second slot is connected to the space in the bottle and the first slot is connected to the fragrance hole.

7. The car aroma diffuser according to claim 6, characterized in that: The sealing cover comprises a cover body which is slidably mounted on the inner side of the bottom cover up and down, and a pipe rod which passes through the middle of the cover body up and down, the upper and lower ends of the pipe rod are respectively inserted into the center hole and the first through hole, the center axis of the pipe rod is penetrated by a center slot hole, the lower end of the pipe rod is penetrated by a through hole which is connected with the center slot hole in a radial direction, and a sealing member is provided at the lower end opening of the center slot hole, so that the center slot hole and the through hole form an inverted T-shaped second slot hole; the frustum is arranged in the middle of the upper end of the cover body, the middle of the frustum is provided with a second through hole for the pipe rod to pass through, the outer periphery of the upper end of the pipe rod is provided with a radially protruding limiting ring platform, and the lower end face of the limiting ring platform abuts against the upper end face of the frustum; a pressure plate with an outer diameter larger than the first through hole is fixedly provided at the lower end of the pipe rod through the sealing member, and the upper end face of the pressure plate abuts against the outer side surface of the bottom cover.

8. The car aroma diffuser according to claim 7, characterized in that: The inner side surface of the bottom cover is provided with two first bosses and a second boss which are arranged in sequence from the inside to the outside and surround the first through hole, the spring is sleeved on the outer periphery of the first boss, and the lower end of the cover body is sleeved on the outer periphery of the second boss; a sealing ring sleeved on the outer periphery of the pipe rod is provided between the pipe rod and the inner walls of the second through hole and the first boss, and the conducting hole is located at the lower side of the sealing ring; a first sealing sheet sleeved on the outer periphery of the pipe rod is provided between the pressing plate and the bottom cover, a second sealing sheet sleeved on the outer periphery of the frustum is provided between the upper end surface of the cover body and the bottle cap, and a groove which engages with the second sealing sheet is provided on the outer periphery of the lower end of the frustum.

9. The car aroma diffuser according to claim 8, characterized in that: The inner wall surface of the annular groove is concavely provided with a plurality of notches distributed in a circular array, and the notches are arranged one by one above and below the fragrance diffusion holes; a threaded cover is clamped on the inner side of the bottle cap and is threadedly connected to the outer periphery of the bottle mouth, and a third sealing sheet is provided between the threaded cover and the bottle mouth; the bottom cover is threadedly connected to the first ring platform.

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