CN204072869U - Fragrant equipment is expanded in easy diffusion - Google Patents
Fragrant equipment is expanded in easy diffusion Download PDFInfo
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- CN204072869U CN204072869U CN201420441525.4U CN201420441525U CN204072869U CN 204072869 U CN204072869 U CN 204072869U CN 201420441525 U CN201420441525 U CN 201420441525U CN 204072869 U CN204072869 U CN 204072869U
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Abstract
This utility model relates to a kind of easily diffusion and expands fragrant equipment, it comprises shell, atomising device, air pump and fan, described atomising device, air pump and fan are all arranged in the housing, described air pump is connected with described atomising device thinks described atomising device air feed, described atomising device can be connected with Ethereal oil bottle, mix with the air-flow that the quintessence oil in described Ethereal oil bottle and described air pump are provided and be atomized and form fragrant mist, described atomising device is provided with the fog outlet of described fragrant mist being discharged described shell, air channel is provided with in described shell, wind for being produced by described fan leads described fog outlet to dispel the fragrant mist of described fog outlet discharge.Fragrant equipment is expanded in the easy diffusion that this utility model provides, by arranging fan and air channel, the fragrant mist that atomising device can be made to discharge spread farther evenly, thus improve the performance of the easily fragrant equipment of diffusion expansion.
Description
Technical field
This utility model relates to air and improves apparatus field, is specifically related to a kind of easily diffusion and expands fragrant equipment.
Background technology
Along with improving constantly of people's living standard, the activity that people participate in also gets more and more, however a lot of playground, as: hotels etc., if air is impure and fresh, can easily make people produce the offending moods such as tired, irritated.In order to build a good environment, what people more generally adopted is uses solid essence, in room, the method such as perfumes, to improve the quality of room air, thus plays the effect keeping with fresh air in room, eliminate abnormal flavour and sterilizing.But, with regard to the former, the fragrance of solid essence can not be come out completely, often cause certain waste.The latter is in the process used, cumbersome, and due to the perfume granule that sprays out comparatively large, the scope that can float is very little, and therefore the efficiency of this method is also very low.
Expand fragrant device for by essential oil atomisation, fragrance is diffused in air to improve the quality of air.Correlation technique discloses the fragrant device of a kind of expansion, and it utilizes siphon principle to suck quintessence oil from Ethereal oil bottle, and by atomising device by essential oil atomisation, and then be diffused in air.But the fragrant mist range of scatter of the fragrant device of existing expansion is narrower, when therefore using in larger space, aroma profile can be caused uneven, almost there is no fragrance from the place expanded away from fragrant device.And, expand near fragrant device because fragrant mist is mainly distributed in, therefore expand near fragrant device and easily form greasy dirt.
Utility model content
In view of this, this utility model aims to provide the fragrant equipment of easy diffusion expansion that a kind of fragrant mist more easily spreads.
In order to realize the purpose of this utility model, this utility model provides a kind of easily diffusion to expand fragrant equipment, it comprises shell, atomising device, air pump and fan, described atomising device, air pump and fan are all arranged in the housing, described air pump is connected with described atomising device thinks described atomising device air feed, described atomising device can be connected with Ethereal oil bottle, mix with the air-flow that the quintessence oil in described Ethereal oil bottle and described air pump are provided and be atomized and form fragrant mist, described atomising device is provided with the fog outlet of described fragrant mist being discharged described shell, air channel is provided with in described shell, wind for being produced by described fan leads described fog outlet to dispel the fragrant mist of described fog outlet discharge.
Preferably, described easy diffusion is expanded fragrant equipment and is also comprised fan box, and described fan is arranged in described fan box, and described shell offers the blowing mouth of contiguous described fog outlet, described fan box is communicated with described blowing mouth.
Preferably, described fan box is set in the outside of described atomising device.
Preferably, described shell is become the first installation room and the second installation room by barrier partitions, described atomising device, fan box and fan are arranged in described first installation room, and described air pump is arranged in described second installation room, and is connected with described atomising device by pipeline.
Preferably, described fan box is positioned at the below of described blowing mouth.
Preferably, described atomising device comprises atomising device body, atomization core and pipette, described atomization core is connected to the lower end of described atomising device body, and be connected with described pipette, described atomising device body is connected with described air pump, and described atomising device body is provided with the first connecting portion for being connected with described Ethereal oil bottle, described atomization core is arranged in described first connecting portion, when described first connecting portion is connected with described Ethereal oil bottle, described atomization core and pipette stretch in described Ethereal oil bottle.
Preferably, described atomising device body comprises cylindrical shell and dividing plate, the all openings of the upper end of described cylindrical shell and lower end, described dividing plate is arranged in described cylindrical shell, and separate described cylindrical shell, lower chambers is formed below described dividing plate, described first connecting portion is arranged on the lower end of described cylindrical shell, and around described lower chambers, described atomization core and described dividing plate removably connect, and be arranged in described lower chambers, described cylindrical shell offers the inlet channel being communicated with described air pump and described atomization core, described dividing plate also offers the logical mist hole running through described dividing plate, described logical mist hole is communicated with described lower chambers.
Preferably, described atomising device also comprises atomization skull and noise reduction tegillum, and described cylindrical shell is connected with described atomization skull, and described noise reduction tegillum is arranged on described atomising head and covers one end away from described cylindrical shell, and little the covering of described noise reduction offers described fog outlet.
Preferably, described atomization core comprises atomization core print seat, atomization rotary core, atomization core cap and pipette joint, described atomization rotary core is arranged in described atomization core print seat, described atomization core cap is positioned at the outside of described atomization rotary core, and coordinate to be limited in described atomization core print seat by described atomization rotary core with described atomization core print seat, described pipette joint connects described atomization core print seat and pipette, described atomization rotary core has imbibing hole, described atomization core cap offers the nozzle relative with the outlet of described imbibing hole, there is in described atomization core print seat gas channel and imbibition passage, described gas channel and described air pump and nozzle pass to the described nozzle that to be led by the air-flow of air pump mutually, pipette joint and described imbibing hole described in described imbibition channel connection.
Fragrant equipment is expanded in the easy diffusion that this utility model provides, by arranging fan and air channel, the fragrant mist that atomising device can be made to discharge spread farther evenly, thus improve the performance of the easily fragrant equipment of diffusion expansion.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the fragrant equipment of easy diffusion expansion that this utility model embodiment provides.
Fig. 2 is the partial sectional view of the fragrant equipment of easy diffusion expansion that this utility model embodiment provides.
Fig. 3 is the partial exploded view of the fragrant equipment of easy diffusion expansion that this utility model embodiment provides.
Fig. 4 is that the atomising device of fragrant equipment and the sectional view of Ethereal oil bottle are expanded in the easy diffusion that this utility model embodiment provides.
Fig. 5 is the partial enlarged drawing of Fig. 4.
Fig. 6 is the atomization core of atomising device in Fig. 4 and the explosive view of pipette.
Fig. 7 is the blast sectional view of atomization core in Fig. 6 and pipette.
Fig. 8 is another visual angle explosive view of the atomization core in Fig. 6.
Fig. 9 is the structural representation of the atomization rotary core of atomization core in Fig. 8.
Figure 10 is the assembling view of atomization core in Fig. 6 and pipette.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain this utility model, and be not used in restriction this utility model.
Please refer to Fig. 1 to Figure 10, this utility model embodiment provides a kind of easily diffusion to expand fragrant equipment, and it comprises shell 1, atomising device 3, air pump 4 and fan 5.Atomising device 3, air pump 4 and fan 5 are all arranged in shell 1.Air pump 4 is connected with atomising device 3, for providing air-flow for atomising device 3.Atomising device 3 can be connected with Ethereal oil bottle 2, for drawing quintessence oil from Ethereal oil bottle 2, being mixed by the air-flow that quintessence oil and air pump 4 provide and being atomized the fragrant mist of formation.Be provided with the fog outlet 351 of fragrant mist being discharged shell 1 in atomising device 3, fragrant mist is discharged outside shell 1 by fog outlet 351.Also air channel is provided with, for the wind guiding fog outlet 351 produced by fan 5, to dispel the fragrant mist that fog outlet 351 is discharged in shell 1.By arranging fan 5 and air channel, the fragrant mist that atomising device 3 can be made to discharge spread farther evenly.
Please refer to Fig. 2 and Fig. 3, in a preferred embodiment, this easily spreads fragrant equipment and also comprises fan box 37, and fan 5 is arranged in fan box 37.Shell 1 offers the blowing mouth 11 of contiguous fog outlet 351, fan box 37 is communicated with blowing mouth 11.The wind that fan 5 blows out, blow out through fan box 37 and blowing mouth 11, the fragrant mist of being discharged by fog outlet 351 dispels.Fan box 37 and blowing mouth 11 form the part in above-mentioned air channel.Further preferably, fan box 37 is set in the outside of atomising device 3.In other further preferred embodiments, fan box 37 is positioned at the below of blowing mouth 11, and also namely blowing mouth 11 is by oblique for wind blowing up, and the fragrant mist that fog outlet 351 is discharged spreads farther.
Please refer to Fig. 2, in a preferred embodiment, shell 1 is become the first installation room 6 and the second installation room 7 by barrier partitions, and atomising device 3, fan box 37 and fan 5 are arranged in the first installation room 6, air pump 4 is arranged in the second installation room 7, and is connected with atomising device 3 by pipeline.
Please refer to Fig. 2 to Fig. 5, in a preferred embodiment, atomising device 3 comprises atomising device body 31, atomization core 32 and pipette 33.The roughly cylindrical shape of atomising device body 31, atomization core 32 is removably connected to the lower end of atomising device body 31, and is connected with pipette 33.Pipette 33 can be inserted in Ethereal oil bottle 2, for being drawn into by the quintessence oil in Ethereal oil bottle 2 in atomization core 32.Atomising device body 31 is connected with air pump 4 by pipeline.Air pump 4 is for providing air-flow to atomization core 32, and atomization core 32 forms negative pressure under airflow function, utilizes siphon principle from Ethereal oil bottle 2, to suck quintessence oil by pipette 33, and by air-flow and quintessence oil mixed aerosol, forms fragrant mist.Atomising device body 31 is provided with the first connecting portion 312 for being connected with Ethereal oil bottle 2.Atomization core 32 is arranged in this first connecting portion 312.When first connecting portion 312 is connected with Ethereal oil bottle 2, atomization core 32 and pipette 33 stretch in Ethereal oil bottle 2.Specifically, the inwall of the first connecting portion 312 is formed with screw thread, the outer wall of the bottleneck 22 of Ethereal oil bottle 2 is also formed with screw thread, the first connecting portion 312 can be threaded with the bottleneck 22 of Ethereal oil bottle 2.After connection, atomization core 32 extend in bottleneck 22, and keeps at a certain distance away with the inwall of bottleneck 22, and the lower end of pipette 33 then extend into the bottom of Ethereal oil bottle 2, for being drawn into by the quintessence oil in Ethereal oil bottle 2 in atomization core 32.
In a preferred embodiment, atomising device body 31 comprises cylindrical shell 310 and dividing plate 314.Cylindrical shell 310 is roughly drum, the manhole that inner formation extends along the vertical direction.The all openings of the upper end of cylindrical shell 310 and lower end, dividing plate 314 is arranged in cylindrical shell 310, and dividing barrels 310.Be formed with lower chambers in the below of dividing plate 314, the first connecting portion 312 is positioned at the lower end of cylindrical shell 310, and around lower chambers.Atomization core 32 removably connects with dividing plate 314, and is arranged in lower chambers.Cylindrical shell 310 offers inlet channel 311, one end of inlet channel 311 is communicated with air pump 4 by pipeline, and the other end is then communicated with atomization core 32, and the air-flow for being produced by air pump 4 imports in atomization core 32.Dividing plate 314 also offers the logical mist hole 315 running through dividing plate 314, the upper end in logical mist hole 315 is communicated with fog outlet 351, and lower end is then communicated with lower chambers.In the present embodiment, the top of dividing plate 314 forms upper chamber, and logical mist hole 315 is communicated with upper chamber and lower chambers.Particularly, dividing plate 314 offers multiple logical mist hole 315 be uniformly distributed circumferentially.Atomization core 32 passes logical mist hole 315 at the fragrant mist that bottom chamber is formed, and is then upward through fog outlet 351 and discharges outside shell 1.
Please refer to Fig. 4 and Fig. 5, in a further preferred embodiment, atomising device 3 also comprises atomization skull 36 and noise reduction tegillum 35.Atomization skull 36 is roughly round cap shape, and is connected with cylindrical shell 310.Particularly, cylindrical shell 310 is formed with the second connecting portion 313, second connecting portion 313 be positioned at above dividing plate 314 to be connected with the lower end of atomization skull 36.Noise reduction tegillum 35 is arranged on atomization skull 36.Specifically, the top of atomization skull 36 offers screw, and the outer wall of noise reduction tegillum 35 is provided with screw thread, and it is threaded with the screw of atomization skull 36.Noise reduction tegillum 35 offers above-mentioned fog outlet 351, fog outlet 351 runs through this noise reduction tegillum 35 along the vertical direction, and stretches out in outside the shell 1 of the fragrant equipment of this easy diffusion expansion.In the present embodiment, fog outlet 351 is up-small and down-big shoulder hole.After fragrant mist is discharged from logical mist hole 315, be expelled to easily diffusion by fog outlet 351 and expand in the air outside fragrant equipment.
In a further preferred embodiment, atomising device 3 also comprises silencing means 34, and silencing means 34 is arranged in cylindrical shell 310 and/or atomization skull 36.In the present embodiment, this atomising device 3 comprises two silencing means 34, a silencing means 34 is arranged in the second connecting portion 313 (being also namely arranged in upper chamber), another silencing means 34 is arranged in atomization skull 36, two silencing means 34 superpose, and are limited between dividing plate 314 and the top being atomized skull 36.Particularly, upper chamber's inwall of cylindrical shell 310 is formed with step, the hush pipe 341 of the silencing means 34 of bottom is supported on step, and hush pipe 341 tops being atomized skull 36 of the silencing means 34 at top are pushed down, thus silencing means 34 is fixed.In other embodiments, silencing means 34 only can be arranged in the second connecting portion 313, also can only be fixed in atomization skull 36.Silencing means 34 offers the bloop that can pass for fragrant mist, bloop is communicated with logical mist hole 315 and fog outlet 351.After fragrant mist is discharged from logical mist hole 315, first through bloop, be then expelled to easily diffusion by fog outlet 351 and expand in the air outside fragrant equipment.
Please refer to Fig. 6 to Figure 10, in a preferred embodiment, atomization core 32 comprises atomization core print seat 321, atomization rotary core 322, atomization core cap 323 and pipette joint 325.Atomization rotary core 322 is arranged in atomization core print seat 321, and atomization core cap 323 is positioned at the outside of atomization rotary core 322, and coordinates with atomization core print seat 321 and be atomized in core print seat 321 to be limited in by atomization rotary core 322.Pipette joint 325 connects atomization core print seat 321 and pipette 33.Atomization rotary core 322 has imbibing hole 3224, atomization core cap 323 offers the nozzle 3231 relative with the outlet of imbibing hole 3224, in atomization core print seat 321, there is gas channel and imbibition passage 3216, gas channel communicates with air pump 4 and nozzle 3231, for the air-flow guiding nozzle 3231 produced by air pump 4.Imbibition passage 3216 is communicated with to be led imbibing hole 3224 by pipette 325 by quintessence oil with imbibing hole 3224 and pipette joint 325.Further preferably, pipette joint 325 comprises joint body 3251 and to be connected on joint body 3251 and the first joint 3252 and the second joint 3253 communicated, first joint 3252 is connected with the upper end of pipette 33, and the second joint 3253 is inserted in imbibition passage 3216.The axis being axially perpendicular to the second joint 3253 of the first joint 3252.Particularly, the second joint 3253 of pipette joint 325 is inserted in the imbibition passage 3216 of atomization core print seat 321, and be stuck in imbibition passage 3216 in order to avoid accidentally extract.Second joint 3253 can rotate around himself axis in imbibition passage 3216.First joint 3252 and pipette 33 are also adopt the detachable snap fit being similar to the second joint 3253 to be connected.
In a preferred embodiment, atomization core print seat 321 comprises atomization core print seat body 3211, offers accepting hole in atomization core print seat body 3211, and atomization rotary core 322 and atomization core cap 323 are all arranged in accepting hole.The outer wall of two ends up and down of atomization core print seat body 3211 is formed with thread segment 3213 and lower thread segment 3212 respectively, and upper thread segment 3213 is threaded with the dividing plate 34 in atomising device body 31, and lower thread segment 3212 is threaded with atomization core cap 324.Atomization rotary core 322 is arranged in atomization core print seat 321, and atomization core cap 323 is positioned at the outside of atomization rotary core 322, and coordinates with atomization core print seat 321 and be atomized in core print seat 321 to be limited in by atomization rotary core 322.Atomization core cap 324 is positioned at the outside of atomization core cap 323, compresses the outer surface of atomization core cap 323, atomization core cap 323 and atomization rotary core 322 is pressed in atomization core print seat 321.
In a preferred embodiment, atomization core print seat 321 up/down perforation, and be wherein provided with installing plate 3214, accepting hole is formed at the below of this installing plate 3214.Atomization rotary core 322 is limited between installing plate 3214 and atomization core cap 323.Installing plate 3214 offers the passage 3215 running through installing plate 3214 along the vertical direction, this passage 3215 communicates with inlet channel 311 and nozzle 3231.The air-flow that air pump 4 produces enters into the upper end of atomization core print seat 321 by inlet channel 311, is then entered into the lower end of atomization core print seat 321 by passage 3215, then sprays from nozzle 3231.In a further preferred embodiment, installing plate 3214 offers the equally distributed passage 3215 of multiple circumferential direction along installing plate 3214, so arrange and the air-flow in atomization core print seat 321 can be made more even.
In a preferred embodiment, the lower end of atomization rotary core 322 is formed with the guiding gutter 3225 of multiple outlet around imbibing hole 3224, the outlet of the projection in the sagittal plane of imbibing hole 3224 of the bearing of trend of guiding gutter 3225 and imbibing hole 3234 be formed radially angle.Particularly, guiding gutter 3225 is opened on sections of atomization 3222, and matches with the inner surface of atomization core cap 323 part forming said flow passage.In the sagittal plane (also namely perpendicular to the plane of the axis of imbibing hole 3224) of imbibing hole 3224, the projection ecto-entad of guiding gutter 3225 extends, and the outlet of bearing of trend and imbibing hole 3224 be formed radially angle, that is guiding gutter 3225 is not extend along the radial direction of imbibing hole 3224.The height of the outboard end of guiding gutter 3225 is higher than the height of its medial extremity, and also namely guiding gutter 3225 is obliquely installed.Be formed radially angle due to the bearing of trend of multiple guiding gutter 3225 and the outlet of imbibing hole 3224, be therefore easy to go out interruption-forming cyclone at imbibing hole 3224, be conducive to essential oil atomisation higher for viscosity.Experiment proves, common atomization core needs the air pressure of more than 20KPa quintessence oil could be atomized preferably, and this atomization core 32 only needs the air pressure of 4KPa can realize the atomization of same degree.It should be noted that, the cross section of imbibing hole 3224 can be circle also can be square or other shapes, when its be square or other shapes time, the radial direction of the outlet of indication imbibing hole 3224 herein refers to the direction extended to its surrounding for the center of circle with the center of the outlet of imbibing hole 3224.
Fragrant equipment is expanded in the easy diffusion that this utility model provides, by arranging fan and air channel, the fragrant mist that atomising device can be made to discharge spread farther evenly, thus improve the performance of the easily fragrant equipment of diffusion expansion.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. one kind easily spreads fragrant equipment, it is characterized in that, comprise shell, atomising device, air pump and fan, described atomising device, air pump and fan are all arranged in the housing, described air pump is connected with described atomising device thinks described atomising device air feed, described atomising device can be connected with Ethereal oil bottle, mix with the air-flow that the quintessence oil in described Ethereal oil bottle and described air pump are provided and be atomized and form fragrant mist, described atomising device is provided with the fog outlet of described fragrant mist being discharged described shell, air channel is provided with in described shell, wind for being produced by described fan leads described fog outlet to dispel the fragrant mist of described fog outlet discharge.
2. fragrant equipment is expanded in easy diffusion according to claim 1, and it is characterized in that, also comprise fan box, described fan is arranged in described fan box, and described shell offers the blowing mouth of contiguous described fog outlet, described fan box is communicated with described blowing mouth.
3. fragrant equipment is expanded in easy diffusion according to claim 2, and it is characterized in that, described fan box is set in the outside of described atomising device.
4. fragrant equipment is expanded in easy diffusion according to claim 2, it is characterized in that, described shell is become the first installation room and the second installation room by barrier partitions, described atomising device, fan box and fan are arranged in described first installation room, described air pump is arranged in described second installation room, and is connected with described atomising device by pipeline.
5. fragrant equipment is expanded in easy diffusion according to claim 2, and it is characterized in that, described fan box is positioned at the below of described blowing mouth.
6. fragrant equipment is expanded in the easy diffusion according to any one of claim 1 to 5, it is characterized in that, described atomising device comprises atomising device body, atomization core and pipette, described atomization core is connected to the lower end of described atomising device body, and be connected with described pipette, described atomising device body is connected with described air pump, described atomising device body is provided with the first connecting portion for being connected with described Ethereal oil bottle, described atomization core is arranged in described first connecting portion, when described first connecting portion is connected with described Ethereal oil bottle, described atomization core and pipette stretch in described Ethereal oil bottle.
7. fragrant equipment is expanded in easy diffusion according to claim 6, it is characterized in that, described atomising device body comprises cylindrical shell and dividing plate, the all openings of the upper end of described cylindrical shell and lower end, described dividing plate is arranged in described cylindrical shell, and separate described cylindrical shell, lower chambers is formed below described dividing plate, described first connecting portion is arranged on the lower end of described cylindrical shell, and around described lower chambers, described atomization core and described dividing plate removably connect, and be arranged in described lower chambers, described cylindrical shell offers the inlet channel being communicated with described air pump and described atomization core, described dividing plate also offers the logical mist hole running through described dividing plate, described logical mist hole is communicated with described lower chambers.
8. fragrant equipment is expanded in easy diffusion according to claim 7, it is characterized in that, described atomising device also comprises atomization skull and noise reduction tegillum, described cylindrical shell is connected with described atomization skull, described noise reduction tegillum is arranged on described atomising head and covers one end away from described cylindrical shell, and little the covering of described noise reduction offers described fog outlet.
9. fragrant equipment is expanded in easy diffusion according to claim 1, it is characterized in that, described atomization core comprises atomization core print seat, atomization rotary core, atomization core cap and pipette joint, described atomization rotary core is arranged in described atomization core print seat, described atomization core cap is positioned at the outside of described atomization rotary core, and coordinate to be limited in described atomization core print seat by described atomization rotary core with described atomization core print seat, described pipette joint connects described atomization core print seat and pipette, described atomization rotary core has imbibing hole, described atomization core cap offers the nozzle relative with the outlet of described imbibing hole, there is in described atomization core print seat gas channel and imbibition passage, described gas channel and described air pump and nozzle pass to the described nozzle that to be led by the air-flow of air pump mutually, pipette joint and described imbibing hole described in described imbibition channel connection.
10. fragrant equipment is expanded in easy diffusion according to claim 9, it is characterized in that, described atomization rotary core is formed with the guiding gutter of multiple outlet around described imbibing hole, the outlet of the projection in the sagittal plane of described imbibing hole of the bearing of trend of described guiding gutter and described imbibing hole be formed radially angle.
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Effective date of registration: 20170525 Address after: 511495 Guangdong province Panyu District Village Street Gaosha Industrial Zone C5 Guangzhou city building four layer Patentee after: Guangzhou gallop Electric Machinery Co., Ltd. Address before: Shunde District of Guangdong city in Foshan province 528312 Beirong town Shunde Biguiyuan Haitao Pavilion 2 Room 601 Patentee before: Gao Xiaoyang |
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Address after: 511495 4th floor, building C5, Gaosha Industrial Zone, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangzhou Chiyang fragrance Technology Co.,Ltd. Address before: 511495 4th floor, building C5, Gaosha Industrial Zone, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU CHIYANG ELECTRICAL MACHINERY Co.,Ltd. |
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