Self-adjusting vehicle-mounted aromatherapy device

Abstract

The utility model discloses a self-adjusting type vehicle-mounted aromatherapy device, which belongs to the technical field of vehicle-mounted aromatherapy devices and comprises a box body, a cover body is covered at the top end of the box body, a scattering port is arranged at the center of the cover body, an aromatherapy block is arranged in the box body, and a shape memory metal sheet is fixed on the inner side wall of the cover body. The end part of the shape memory metal sheet is fixedly provided with a convex block for adjusting the circulation caliber of the scattering port; through the temperature change effect of the shape memory metal sheet, the bending degree of the shape memory metal sheet is automatically adjusted through the temperature, at the moment, the shape memory metal sheet gradually recovers to the original shape, the inclination angle of the end portion of the shape memory metal sheet is gradually reduced, and the protruding block gradually and automatically stretches into the scattering port to reduce the size of the fragrance outlet. In other words, the fragrance is rapidly released through the aromatherapy block to be matched with the small fragrance scattering circulation caliber of the scattering opening, stable volatilization of the fragrance is achieved, and the concentration of the fragrance in the automobile is always and automatically stabilized.

Description

Technical Field

[0001] This utility model relates to the field of car air freshener technology, and in particular to a self-adjusting car air freshener device. Background Technology

[0002] As people's living standards continue to improve, cars have become an indispensable means of transportation in people's lives. However, the air quality inside cars has gradually attracted people's attention. Due to the large number of plastic, rubber and composite material products inside cars, the air quality inside cars is poor under high temperatures or during long-term use, and there may even be an annoying odor. Therefore, car air fresheners have emerged to improve the smell inside cars. The volatile aromatic particles or solid fragrances built into air fresheners can purify the air inside the car and make the air inside the car fragrant and refreshing.

[0003] In some existing car air fresheners, the fragrance molecules diffuse into the car's interior through the natural evaporation of built-in fragrance blocks or liquid fragrances. However, due to significant temperature fluctuations inside the car, as the interior temperature gradually rises, the fragrance release from the air freshener increases rapidly with the temperature, resulting in unstable fragrance concentration. This leads to excessively high and overly strong fragrances that some people may find difficult to tolerate, affecting the overall effectiveness of the air freshener and increasing its wear and tear, thus reducing its lifespan.

[0004] Therefore, it is necessary to provide a self-adjusting in-vehicle aromatherapy device to solve the above-mentioned technical problems. Utility Model Content

[0005] The purpose of this invention is to provide a self-adjusting car air freshener to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following solution to the above technical problems: a self-adjusting car air freshener, comprising a box body, a cover covering the top of the box body, an exhaust port at the center of the cover, an air freshener block inside the box body, a shape memory metal sheet fixed on the inner side wall of the cover, and a protrusion fixed at the end of the shape memory metal sheet for adjusting the flow diameter of the exhaust port.

[0007] As a further embodiment of this utility model, a pressure adjustment assembly for pressing and deforming a shape memory metal sheet is provided on the top of the cover. The pressure adjustment assembly includes a support plate fixed to the top surface of the cover, and a pressure rod aligned with the vent is slidably connected to the top of the support plate.

[0008] As a further embodiment of this utility model, an end plate is fixed to the top of the pressure rod, and a return spring is sleeved on the side of the pressure rod. The two ends of the return spring are respectively fixed to the side of the end plate and the top surface of the support plate.

[0009] As a further embodiment of this utility model, two sets of locking components are provided between the cover and the box, and the two sets of locking components are symmetrically distributed. The locking component includes a spring plate fixed on the side of the cover, and a slot is provided on the side of the spring plate. A locking post that fits into the slot is fixed on the outer wall of the box.

[0010] As a further embodiment of this utility model, a guide plate is fixed to the end of the spring plate, and an arc-shaped end is provided at the end of the locking post.

[0011] As a further embodiment of this utility model, a rubber ring is provided between the box body and the cover body, and the rubber ring is fixed to the top surface of the box body.

[0012] As a further embodiment of this utility model, the shape memory metal sheet is detachably fixed to the side of the cover by screws, and a sealing rubber plug is adapted to be installed in the vent.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. As the ambient temperature inside the car gradually increases, the fragrance release from the air freshener block increases rapidly with the temperature rise. At this time, the shape memory metal sheet automatically adjusts its bending degree based on the temperature change effect. The shape memory metal sheet gradually returns to its original shape, and the tip angle of the shape memory metal sheet gradually decreases. That is, the protrusion gradually extends into the exhaust port to reduce the size of the fragrance outlet and reduce the release rate of the fragrance through the exhaust port. In other words, the faster release of fragrance from the air freshener block, combined with the smaller fragrance flow diameter of the exhaust port, automatically adjusts the fragrance concentration inside the car, achieving a more stable evaporation of the fragrance. This ensures that the fragrance concentration inside the car remains stable as the ambient temperature gradually increases, avoiding excessive fragrance concentration, reducing the wear and tear of the air freshener block, and extending its service life.

[0015] 2. The locking pin engages with the slot of the spring-loaded plate, thereby locking the cover through the cooperation of the spring-loaded plate, the slot, and the locking pin, quickly completing the installation of the cover, improving the efficiency of the cover installation and removal operation, and facilitating the replacement and maintenance of the aromatherapy blocks inside the box. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0018] Figure 2 This is a partial structural diagram of the pressure regulating component of this utility model;

[0019] Figure 3 for Figure 2 Enlarged view of the structure at point A in the middle;

[0020] Figure 4 This is a schematic cross-sectional view of the overall structure of this utility model;

[0021] Figure 5 This is a partial structural diagram of the shape memory metal sheet of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1. Pressure adjustment assembly; 101. Pressure rod; 102. Return spring; 103. End plate; 104. Support plate; 2. Locking assembly; 201. Spring tongue plate; 202. Locking groove; 203. Guide plate; 204. Locking post; 205. Curved end; 3. Box body; 4. Cover body; 5. Exhaust port; 6. Rubber ring; 7. Shape memory metal sheet; 8. Protrusion; 9. Aromatherapy block. Detailed Implementation

[0024] The present invention will be further described below with reference to the embodiments.

[0025] Please see Figure 1-5This utility model provides a self-adjusting car air freshener device, including a box body 3, a cover body 4 covering the top of the box body 3, an outlet 5 at the center of the cover body 4, an air freshener block 9 inside the box body 3, a shape memory metal sheet 7 fixed on the inner side wall of the cover body 4, a protrusion 8 fixed at the end of the shape memory metal sheet 7 to adjust the flow diameter of the outlet 5, and a pressing and adjusting component 1 on the top of the cover body 4 to press and deform the shape memory metal sheet 7; the air freshener block 9 is usually made of solid air freshener material containing essential oils extracted from plants. When the air freshener block 9 is placed inside the box body 3, The plant essential oils in the aromatherapy block 9 slowly release tiny fragrance molecules, which diffuse into the car's interior through the vent 5, enhancing the fragrance. The shape memory metal sheet 7 can be made of nickel-titanium alloy. The original shape of the shape memory metal sheet 7 is its shape with the smallest end angle, meaning the shape memory metal sheet 7 has the least degree of bending. At this time, the protrusion 8 on the end of the shape memory metal sheet 7 extends into the vent 5, and the fragrance flow diameter of the vent 5 is at its minimum. When the temperature inside the car is low, the pressure regulating component 1 presses down on the protrusion 8, thereby increasing the end angle of the shape memory metal sheet 7. At this point, the protrusion 8 is completely dislodged from the outlet 5, and the fragrance dispersing diameter of the outlet 5 is at its maximum. This means that the fragrance release rate is controlled by the slow and stable release of fragrance from the aromatherapy block 9 in conjunction with the maximum fragrance dispersing diameter of the outlet 5. As the ambient temperature inside the car gradually increases, the fragrance release from the aromatherapy block 9 increases rapidly with the temperature rise. At this time, the shape memory metal sheet 7 automatically adjusts its bending degree based on temperature changes, gradually restoring its original shape. The end angle of the shape memory metal sheet 7 gradually decreases, meaning the protrusion 8 gradually... The diffuser block 9 automatically extends into the exhaust port 5 to reduce the size of the fragrance outlet and decrease the release rate of the fragrance through the exhaust port 5. This, combined with the faster release of fragrance by the diffuser block 9 and the smaller fragrance flow diameter of the exhaust port 5, automatically adjusts the fragrance concentration in the car, achieving a more stable evaporation of the fragrance. As the ambient temperature in the car gradually increases, the fragrance concentration in the car remains stable, preventing excessive fragrance concentration, reducing the wear and tear on the diffuser block 9, and extending its service life. When the diffuser is not in use after leaving the car, a sealing rubber plug can be inserted into the exhaust port 5 to seal it, preventing the useless evaporation and waste of the fragrance block 9.

[0026] Further as Figure 1 , Figure 2 and Figure 4As shown, it is worth noting that the pressure adjustment assembly 1 includes a support plate 104 fixed to the top surface of the cover 4. A pressure rod 101 aligned with the exhaust port 5 is slidably connected to the top of the support plate 104. In actual operation, by pressing down the pressure rod 101, the bottom end of the pressure rod 101 extends into the exhaust port 5, thereby pressing the protrusion 8 downward through the bottom end of the pressure rod 101, thereby deforming the shape memory metal sheet 7 and adjusting the end inclination angle of the shape memory metal sheet 7 to the maximum, so that the protrusion 8 is dislodged from the exhaust port 5, that is, adjusting the fragrance flow diameter of the exhaust port 5 to a larger state.

[0027] Further as Figure 4 As shown, it is worth noting that an end plate 103 is fixed to the top of the pressure rod 101, and a return spring 102 is sleeved on the side of the pressure rod 101. The two ends of the return spring 102 are fixed to the side of the end plate 103 and the top surface of the support plate 104, respectively. When the pressure rod 101 is pressed down, the return spring 102 is compressed. When the force of pressing down the pressure rod 101 is removed, the return spring 102 automatically pushes the end plate 103 upward, causing the pressure rod 101 to move upward, thereby causing the pressure rod 101 to automatically return to its original position.

[0028] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth noting that two sets of locking components 2 are provided between the cover 4 and the box 3, and the two sets of locking components 2 are symmetrically distributed. The locking component 2 includes a spring plate 201 fixed to the side of the cover 4. A slot 202 is provided on the side of the spring plate 201. A locking post 204 that fits into the slot 202 is fixed on the outer wall of the box 3. When the cover 4 is installed on the top opening of the box 3, the locking post 204 is inserted into the slot 202 of the spring plate 201 by pressing down on the cover 4. Thus, the cover 4 is locked by the cooperation of the spring plate 201, the slot 202 and the locking post 204, which quickly completes the installation of the cover 4, improves the efficiency of the installation and removal of the cover 4, and facilitates the replacement and maintenance of the aromatherapy block 9 inside the box 3.

[0029] Further as Figure 3 As shown, it is worth noting that the end of the spring plate 201 is fixed with a guide plate 203, and the end of the locking post 204 is provided with an arc-shaped end 205. In actual operation, by moving the guide plate 203, the locking post 204 can be disengaged from the slot 202, and the cover 4 can be quickly removed. The locking post 204 is automatically locked into the slot 202 by the guiding cooperation of the arc-shaped end 205 and the guide plate 203.

[0030] Further as Figure 1 , Figure 2 and Figure 4As shown, it is worth noting that a rubber ring 6 is provided between the box body 3 and the cover body 4, and the rubber ring 6 is fixed to the top surface of the box body 3. In actual operation, when the cover body 4 is closed onto the top opening of the box body 3, the cover body 4 squeezes the rubber ring 6, thereby effectively sealing the gap between the box body 3 and the cover body 4 through the rubber ring 6.

[0031] Further as Figure 1 and Figure 5 As shown, it is worth noting that the shape memory metal sheet 7 is detachably fixed to the side of the cover 4 by screws, and a sealing rubber plug is fitted inside the vent 5.

[0032] This solution has the following working process: When the ambient temperature inside the vehicle is low, the pressure rod 101 is pressed down, and the bottom end of the pressure rod 101 pushes the protrusion 8 downward, thereby deforming the shape memory metal sheet 7 and increasing the end tilt angle of the shape memory metal sheet 7. At this time, the protrusion 8 completely disengages from the exhaust port 5, and the fragrance dispersing diameter of the exhaust port 5 is at its maximum. That is, the fragrance is slowly and steadily released by the aromatherapy block 9, which is matched with the maximum fragrance dispersing diameter of the exhaust port 5 to control the fragrance dispersing rate. As the ambient temperature inside the vehicle gradually increases, the fragrance release of the aromatherapy block 9 changes with the temperature, and the fragrance release increases with the temperature. As the temperature rises rapidly, the shape memory metal sheet 7 automatically adjusts its bending degree through temperature changes. The shape memory metal sheet 7 gradually returns to its original shape, and the tip angle of the shape memory metal sheet 7 gradually decreases. That is, the protrusion 8 gradually extends into the exhaust port 5 to reduce the size of the fragrance outlet and reduce the release rate of the fragrance through the exhaust port 5. In other words, the fragrance block 9 releases fragrance faster, which, combined with the smaller fragrance flow diameter of the exhaust port 5, makes the fragrance evaporate more stably. Thus, the fragrance concentration in the car is automatically stabilized as the ambient temperature in the car gradually increases.

[0033] The shape memory metal sheet 7 can be purchased from the market and is a mature technology in this field, which has been fully disclosed, so it will not be repeated in the specification.

Claims

1. A self-adjusting car incense device, comprising a box body, characterized in that, The top end of the box body is covered with a cover body, a dispersion port is formed in the center of the cover body, a fragrance block is arranged in the box body, a shape memory metal sheet is fixed to the inner side wall of the cover body, and a convex block for adjusting the flow diameter of the dispersion port is fixed to the end of the shape memory metal sheet.

2. The self-adjusting car fragrance device of claim 1, wherein, A pressure adjusting assembly for deforming the shape memory metal sheet is arranged on the top end of the cover body, the pressure adjusting assembly comprises a support plate fixed to the top surface of the cover body, and a pressure rod aligned with the dispersion port is slidably connected to the top end of the support plate.

3. The self-adjusting car fragrance device of claim 2, wherein, An end plate is fixed to the top end of the pressure rod, a reset spring is sleeved on the side surface of the pressure rod, and the two ends of the reset spring are fixed to the side surface of the end plate and the top surface of the support plate, respectively.

4. The self-adjusting car fragrance device of claim 1, wherein, Two sets of clamping assemblies are arranged between the cover body and the box body and are symmetrically distributed, the clamping assembly comprises a tongue plate fixed to the side surface of the cover body, a clamping groove is formed in the side surface of the tongue plate, and a clamping column matched with the clamping groove is fixed to the outer side wall of the box body.

5. The self-adjusting car fragrance device of claim 4, wherein, A guide sheet plate is fixed to the end of the tongue plate, and an arc end is arranged at the end of the clamping column.

6. The self-adjusting car fragrance device of claim 5, wherein, A rubber ring is arranged between the cover body and the box body and is fixed to the top surface of the box body.

7. The self-adjusting car fragrance device of claim 1, wherein, The shape memory metal sheet is detachably fixed to the side surface of the cover body by a screw, and a sealing rubber plug is matched in the dispersion port.

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