EP2662149A2 - Liquid sprayer - Google Patents
Liquid sprayer Download PDFInfo
- Publication number
- EP2662149A2 EP2662149A2 EP13166099.5A EP13166099A EP2662149A2 EP 2662149 A2 EP2662149 A2 EP 2662149A2 EP 13166099 A EP13166099 A EP 13166099A EP 2662149 A2 EP2662149 A2 EP 2662149A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid member
- spray liquid
- storage unit
- spray
- support member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
- B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0653—Details
- B05B17/0676—Feeding means
- B05B17/0684—Wicks or the like
Definitions
- the present invention relates to a liquid sprayer.
- JP 2010-7899 A An example of a liquid sprayer using a transducer is disclosed in JP 2010-7899 A , the sprayer including a liquid storage tank for storing spray liquid, a mist producing means for turning the spray liquid into mist, and a spray liquid supply means for supplying the spray liquid in the liquid storage tank to the mist producing means.
- the spray liquid supply means includes a first liquid retaining body having one end disposed at a predetermined position in the liquid storage tank to absorb the spray liquid in the liquid storage tank, a substantially cylindrical second liquid retaining body brought into contact with the other end of the first liquid retaining body and having a predetermined inside diameter and a predetermined outside diameter, and a third liquid retaining body having one end brought into contact with an outer peripheral face of the second liquid retaining body at predetermined contact pressure and the other end brought into contact with the mist producing means at predetermined contact pressure.
- the liquid storage tank for storing the spray liquid is detached from the liquid retaining body for absorbing the spray liquid in the liquid storage tank and only the liquid storage tank is attached and detached to add the spray liquid. Therefore, if the sprayer is used for a long term, solid components and impurities included in the spray liquid accumulate in the liquid retaining body and the liquid retaining body cannot soak up the spray liquid. Moreover, the liquid retaining body is housed in an L-shaped casing and therefore the liquid retaining body is difficult to detach from the casing and is not easy to replace.
- An object of the invention is to achieve a transducer type liquid sprayer in which a storage tank for storing spray liquid can be easily replaced together with a core for soaking up the spray liquid from the storage tank.
- a liquid sprayer including the spray liquid storage unit and a main body for supporting the spray liquid storage unit inside itself, the spray liquid storage unit including the core for soaking up the spray liquid stored in the storage tank to an outside of the storage tank and the main body including the lid member to be put on the support member for supporting the spray liquid storage unit so that the lid member can be opened and closed.
- a spray hole is formed in the lid member so as to face a front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member.
- the transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member.
- a transducer of the liquid sprayer is detached from the core when a lid member is opened from a support member and a spray liquid storage unit supported on the support member can advantageously be easily attached and detached.
- a liquid sprayer including a spray liquid storage unit and a main body for supporting the spray liquid storage unit inside itself, in which the spray liquid storage unit includes a core for soaking up spray liquid stored in a storage tank to an outside of the storage tank, the main body includes a lid member to be put on a support member for supporting the spray liquid storage unit so that the lid member can be opened and closed, a spray hole is formed in the lid member so as to face a horizontally-oriented front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member, a transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the horizontally-oriented front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member.
- the transducer disposed inside the lid member is fixed to a support arm supported between side faces rising from opposite sides of a front face of the lid member in which the spray hole is formed.
- the core is divided into a tip end portion including the front face to be in close contact with the transducer and a base end portion extending from the tip end portion into the storage tank.
- the spray hole is formed in the lid member so as to face the horizontally-oriented front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member, the transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the horizontally-oriented front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member. Therefore, the transducer is detached from the core when the lid member is opened from the support member and the spray liquid storage unit supported on the support member can be easily attached and detached.
- a liquid sprayer 1 includes a case main body 4 (main body) having a lid member 2 forming a front face side and a support member 3 forming a back face side.
- a spray liquid storage unit 5 for storing spray liquid
- a transducer unit 6 for turning the spray liquid stored in the spray liquid storage unit 5 into mist
- a power supply unit 7 for supplying electric power to the transducer unit 6 are housed.
- the lid member 2 is formed by left and right side faces 10 and 11 and upper and lower faces 12 and 13 extending backward in rising manners from a front face 9 provided, at a substantially central portion thereof, with a spray hole 8 for discharging the spray liquid which has been turned into the mist and the left and right side faces 10 and 11 extend to be longer than the upper and lower faces 12 and 13.
- fitting shafts 14, 14 to be connected to the support member 3 protrude to face each other from back upper end portions and support plates 15, 15 for supporting the transducer unit 6 are provided to face each other at positions above the spray hole 8.
- Connecting holes 16 are formed in the opposite support plates 15 and 15 and each of the connecting holes 16 is formed by a circular hole 17 and a pair of fan-shaped holes 18, 18 extending to be symmetric with respect to a point from the circular hole 17 (see an enlarged view of the connecting hole shown in Fig. 3 ).
- a pair of lock holes 19, 19 is formed in the lower face 13.
- the support member 3 is formed by left and right side faces 21 and 22 and upper and lower faces 23 and 24 extending forward in rising manners from a back face 20 disposed to be sandwiched between the opposite side faces of the lid member 2.
- the upper face 12 of the lid member 2 and the upper face 23 of the support member 3 form an upper face of the case main body 4 and the lower face 13 of the lid member 2 and the lower face 24 of the support member 3 form the lower face of the case main body 4.
- Fitting holes 25, 25 in which the fitting shafts 14, 14 of the lid member 2 are to be fitted are formed in upper end portions of the left and right side faces 21 and 22. Therefore, the lid member 2 is connected to the support member 3 to be able to turn by using the fitting shafts 14, 14 fitted in the fitting holes 25, 25 in the support member 3 as rotary shafts.
- the power supply unit 7 is fixed to an upper portion and the spray liquid storage unit 5 is disposed at a lower portion.
- resilient plates 26 having U shapes in a side view protrude forward with their only upper ends fixed to the back face 20 and lock pins 27 protruding downward from the resilient plates 26 can move in a vertical direction as the resilient plates 26 bend. In this way, when the lid member 2 is closed onto the support member 3, the lock pins 27 of the support member 3 are fitted in the lock holes 19, 19 in the lid member 2 to lock opening and closing of the lid member 2 with respect to the support member 3.
- the spray liquid storage unit 5 is formed by a storage tank 28 for storing the spray liquid and a liquid soaking holder 29 for soaking up the spray liquid from the storage tank 28.
- the storage tank 28 has an opening portion 30, into which the liquid soaking holder 29 is inserted, in its upper face.
- An outer side face of the opening portion 30 has a base end formed in a shape of a thread groove and a tip end having a large diameter. Between the thread-shaped portion and the large-diameter portion, a holding face 31 having a smaller diameter than both the portions is formed.
- the liquid soaking holder 29 includes an outer tube portion 32 fitted and fixed into the opening portion 30 in the storage tank 28 and an inner tube portion 33 inserted through a hollow portion in the outer tube portion 32 and extending from an inside to an outside of the storage tank 28 and a core 34 for soaking up the spray liquid in the storage tank 28 by utilizing capillarity is fixed in a hollow portion of the inner tube portion 33. Remaining portions which are parts of the outer tube portion 32 and the inner tube portion 33 are connected by a connecting bridge 35 and a surplus of the spray liquid soaked up by the core 34 returns into the storage tank 28 from a portion between both the tube portions 32 and 33 which are not connected by the connecting bridge 35.
- a front face of a tip end portion of the inner tube portion 33 is notched to expose the core 34 and respective wall faces of the tip end portion of the inner tube portion 33 brought into contact with left and right side faces, a back face, and an upper face of the core 34 form a surrounding portion 36.
- the core 34 is formed to have a rectangular section.
- felt nonwoven fabric made of natural pulp, and material obtained by twining fibers such as polypropylene and polyethylene may be used.
- the power supply unit 7 includes a box portion 37 for housing a battery and a control board, a holding plate 39 supported by a pair of support pieces 38, 38 extending downward from the box portion 37, and a retaining groove 40 provided to a front face of the box portion 37.
- a C-shaped holding portion 41 which is open forward is formed in the holding plate 39 and the holding portion 41 has such an inside diameter as to be fitted over the holding face 31 of the storage tank 28.
- DC 4.5 V, 6.0 V, and 7.5 V may for instance be used.
- the transducer unit 6 includes a support arm 42 having a recessed shape and a transducer 44 fixed to a center of a lateral bar portion 43 of the support arm 42, and vertical bar portions 45, 45 of the support arm 42 extend, while tilting, from the lateral bar portion 43.
- the lateral bar portion 43 is provided with two protecting pieces 46, 46 positioned parallel on opposite sides of the transducer 44. At tip ends of the vertical bar portions 45, 45 of the support arm 42, connecting shafts 47 protruding outward are provided.
- Each of the connecting shafts 47 includes a round shaft 48 and restricting shafts 49, 49 extending to be symmetric with respect to a point from the round shaft 48 (see the enlarged view of the connecting shaft shown in Fig. 3 ).
- the support arm 42 is supported to be able to turn between the opposite support plates 15 of the lid member 2. Turning of the support arm 42 is restricted by interference between the restricting shafts 49 of the connecting shafts 47 and the fan-shaped holes 18 of the connecting holes 16.
- the power supply unit 7 is fixed into the upper portion of the support member 3.
- the connecting shafts 47 of the support arm 42 are fitted into the connecting holes 16 formed in the opposite support plates 15 of the lid member 2 to support the support arm 42 between the opposite side faces of the lid member 2.
- the opposite fitting shafts 14 of the lid member 2 are inserted into the opposite fitting holes 25 in the support member 3 to connect the lid member 2 to the support member 3 so that the lid member 2 can turn.
- an electric wire (not shown) extending from the power supply unit 7 is connected to the transducer 44 of the transducer unit 6.
- the holding face 31 of the spray liquid storage unit 5 formed by inserting the liquid soaking holder 29 into the storage tank 28 is fitted into the holding plate 39 of the power supply unit 7 to thereby fix the spray liquid storage unit 5 into the lower portion of the support member 3.
- the lid member 2 is closed onto the support member 3 and the lock pins 27 of the support member 3 are fitted into the lock holes 19 in the lid member 2 to thereby lock opening and closing of the lid member 2 with respect to the support member 3.
- the transducer 44 and the core 34 with which the transducer 44 is in close contact are exposed through the spray hole 8 in the lid member 2. If the electric power is supplied from the power supply unit 7 to vibrate the transducer 44, the spray liquid retained by the core 34 is turned into the mist by the vibration of the transducer 44 and sprayed outside the case main body 4 through the spray hole 8. Because the respective faces except the front face of the tip end portion of the core 34 in close contact with the transducer 44 are surrounded with the surrounding portion 36, it is possible to prevent the spray liquid, which has been turned into the mist by the transducer 44, from being sprayed inside the case main body 4.
- a positional relationship between the support arm 42 and the core 34 when the lid member 2 is opened and closed with respect to the support member 3 of the liquid sprayer 1 according to the embodiment will be described based on Figs. 7A to 7C .
- a lower portion of the case main body 4 and the power supply unit 7 are not shown and an enlarged view showing a relationship between the connecting shaft 47 of the support arm 42 and the connecting hole 16 of the support plates 15 is shown.
- a second embodiment comprises a variation of the inner tube portion of the liquid soaking holder of the first embodiment described above and the same reference numerals as those in Figs. 1 to 7C designate the same or corresponding portions in Fig. 8 .
- a large opening 51 is formed in a side face of a portion to be housed in the storage tank 28 and cores 52 and 53 having different lengths and having circular sections are housed in a hollow portion in the inner tube portion 50.
- the short core 52 is housed in a portion of the inner tube portion 50 to be positioned above the opening portion 30 in the storage tank 28 and the long core 53 is housed in a portion of the inner tube portion 50 to be positioned below the opening portion 30 in the storage tank 28.
- the core forming the liquid soaking holder is divided into two at the position of the inner tube portion corresponding to the opening portion in the storage tank and therefore it is easy to replace only the upper end portion of the core which the transducer is in contact with and pressed against and which is relatively likely to be deformed.
- the spray liquid in the invention may be fragrance, deodorant, germicide, or the like but is not limited to them.
- the spray liquid may be other agents which can be turned into mist by the ultrasonic vibration of the transducer.
- the center of gravity of the support arm is positioned on the back side of the axis of turning so that the force for turning backward acts on the support arm when the transducer fixed to the support arm is brought into close contact with and pressed against the core in the method employed in The first embodiment described above, the method is not limited to it.
- resilient bodies such as springs may be disposed at connecting portions between the support arm and the support plates to thereby always press the support arm backward.
Abstract
Description
- The present invention relates to a liquid sprayer.
- As is well known, there are conventionally spray cans using propellants as liquid sprayers for spraying liquid fragrance or the like. A liquid sprayer of the spray can type is not safe, because it requires use of flammable gas and such gas does not have a positive effect on a human body. Therefore, in recent years, many transducer type liquid sprayers for spraying liquid fragrance or the like by using transducers for generating ultrasonic vibration have been developed.
- An example of a liquid sprayer using a transducer is disclosed in
JP 2010-7899 A - In the sprayer disclosed in
JP 2010-7899 A - An object of the invention is to achieve a transducer type liquid sprayer in which a storage tank for storing spray liquid can be easily replaced together with a core for soaking up the spray liquid from the storage tank.
- Objects of the invention have been achieved by a liquid sprayer according to
claim 1. - Disclosed herein is a liquid sprayer including the spray liquid storage unit and a main body for supporting the spray liquid storage unit inside itself, the spray liquid storage unit including the core for soaking up the spray liquid stored in the storage tank to an outside of the storage tank and the main body including the lid member to be put on the support member for supporting the spray liquid storage unit so that the lid member can be opened and closed. A spray hole is formed in the lid member so as to face a front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member. The transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member.
- In the present invention, a transducer of the liquid sprayer is detached from the core when a lid member is opened from a support member and a spray liquid storage unit supported on the support member can advantageously be easily attached and detached.
- According to an aspect of the invention, there is provided a liquid sprayer including a spray liquid storage unit and a main body for supporting the spray liquid storage unit inside itself, in which the spray liquid storage unit includes a core for soaking up spray liquid stored in a storage tank to an outside of the storage tank, the main body includes a lid member to be put on a support member for supporting the spray liquid storage unit so that the lid member can be opened and closed, a spray hole is formed in the lid member so as to face a horizontally-oriented front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member, a transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the horizontally-oriented front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member.
- According to an aspect of the invention, in the liquid sprayer, the transducer disposed inside the lid member is fixed to a support arm supported between side faces rising from opposite sides of a front face of the lid member in which the spray hole is formed.
- According to an aspect of the invention, in either one of the above-described liquid sprayers, the core is divided into a tip end portion including the front face to be in close contact with the transducer and a base end portion extending from the tip end portion into the storage tank.
- According to the aspects of the invention, the spray hole is formed in the lid member so as to face the horizontally-oriented front face of the core provided to the spray liquid storage unit when the lid member is closed onto the support member, the transducer facing the spray hole is disposed inside the lid member, and the transducer disposed inside the lid member is in close contact with and pressed against the horizontally-oriented front face of the core provided to the spray liquid storage unit supported by the support member when the lid member is closed onto the support member. Therefore, the transducer is detached from the core when the lid member is opened from the support member and the spray liquid storage unit supported on the support member can be easily attached and detached.
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Fig. 1 is a perspective view showing an outward appearance of the liquid sprayer according to a first embodiment; -
Fig. 2 is a front view of an inside of a lid member of the liquid sprayer shown inFig. 1 ; -
Fig. 3 is a sectional view showing a section of the lid member shown inFig. 2 and taken along line A-A; -
Fig. 4 is a front view showing an inside of a support member of the liquid sprayer shown inFig. 1 ; -
Fig. 5 is a sectional view showing a section of the support member shown inFig. 4 and taken along line B-B; -
Fig. 6 is a sectional view showing a central vertical sectional view of the liquid sprayer shown inFig. 1 ; -
Figs. 7A, 7B, and 7C are explanatory sectional views showing open and closed states of the lid member and the support member of the liquid sprayer shown inFig. 1 ; and -
Fig. 8 is a perspective view showing a central vertical sectional view of a liquid soaking member according to a second embodiment. - As shown in
Fig. 1 , aliquid sprayer 1 according to a first embodiment includes a case main body 4 (main body) having alid member 2 forming a front face side and asupport member 3 forming a back face side. In the casemain body 4, as shown inFigs. 2 and3 , a sprayliquid storage unit 5 for storing spray liquid, atransducer unit 6 for turning the spray liquid stored in the sprayliquid storage unit 5 into mist, and apower supply unit 7 for supplying electric power to thetransducer unit 6 are housed. - As shown in
Figs. 1 to 3 , thelid member 2 is formed by left and right side faces 10 and 11 and upper andlower faces front face 9 provided, at a substantially central portion thereof, with aspray hole 8 for discharging the spray liquid which has been turned into the mist and the left and right side faces 10 and 11 extend to be longer than the upper andlower faces shafts support member 3 protrude to face each other from back upper end portions andsupport plates transducer unit 6 are provided to face each other at positions above thespray hole 8. Connectingholes 16 are formed in theopposite support plates holes 16 is formed by acircular hole 17 and a pair of fan-shaped holes Fig. 3 ). A pair oflock holes lower face 13. - As shown in
Figs. 4 and5 , thesupport member 3 is formed by left and right side faces 21 and 22 and upper andlower faces back face 20 disposed to be sandwiched between the opposite side faces of thelid member 2. Theupper face 12 of thelid member 2 and theupper face 23 of thesupport member 3 form an upper face of the casemain body 4 and thelower face 13 of thelid member 2 and thelower face 24 of thesupport member 3 form the lower face of the casemain body 4. Fittingholes fitting shafts lid member 2 are to be fitted are formed in upper end portions of the left and right side faces 21 and 22. Therefore, thelid member 2 is connected to thesupport member 3 to be able to turn by using thefitting shafts fitting holes support member 3 as rotary shafts. - Inside the
support member 3, thepower supply unit 7 is fixed to an upper portion and the sprayliquid storage unit 5 is disposed at a lower portion. As shown inFig. 6 , at a lower end portion in thesupport member 3,resilient plates 26 having U shapes in a side view protrude forward with their only upper ends fixed to theback face 20 and lockpins 27 protruding downward from theresilient plates 26 can move in a vertical direction as theresilient plates 26 bend. In this way, when thelid member 2 is closed onto thesupport member 3, thelock pins 27 of thesupport member 3 are fitted in thelock holes lid member 2 to lock opening and closing of thelid member 2 with respect to thesupport member 3. - As shown in
Figs. 4 and6 , the sprayliquid storage unit 5 is formed by astorage tank 28 for storing the spray liquid and a liquid soaking holder 29 for soaking up the spray liquid from thestorage tank 28. - The
storage tank 28 has anopening portion 30, into which the liquid soaking holder 29 is inserted, in its upper face. An outer side face of theopening portion 30 has a base end formed in a shape of a thread groove and a tip end having a large diameter. Between the thread-shaped portion and the large-diameter portion, aholding face 31 having a smaller diameter than both the portions is formed. - The liquid soaking holder 29 includes an outer tube portion 32 fitted and fixed into the
opening portion 30 in thestorage tank 28 and an inner tube portion 33 inserted through a hollow portion in the outer tube portion 32 and extending from an inside to an outside of thestorage tank 28 and acore 34 for soaking up the spray liquid in thestorage tank 28 by utilizing capillarity is fixed in a hollow portion of the inner tube portion 33. Remaining portions which are parts of the outer tube portion 32 and the inner tube portion 33 are connected by a connectingbridge 35 and a surplus of the spray liquid soaked up by thecore 34 returns into thestorage tank 28 from a portion between both the tube portions 32 and 33 which are not connected by the connectingbridge 35. A front face of a tip end portion of the inner tube portion 33 is notched to expose thecore 34 and respective wall faces of the tip end portion of the inner tube portion 33 brought into contact with left and right side faces, a back face, and an upper face of thecore 34 form a surroundingportion 36. - By screwing a cap (not shown) onto the thread groove formed at the
opening portion 30 of thestorage tank 28, it is possible to prevent evaporation of the spray liquid from thestorage tank 28. - The
core 34 is formed to have a rectangular section. As material of thecore 34, felt, nonwoven fabric made of natural pulp, and material obtained by twining fibers such as polypropylene and polyethylene may be used. - As shown in
Figs. 4 to 6 , thepower supply unit 7 includes abox portion 37 for housing a battery and a control board, aholding plate 39 supported by a pair ofsupport pieces box portion 37, and aretaining groove 40 provided to a front face of thebox portion 37. As shown inFig. 5 , a C-shaped holding portion 41 which is open forward is formed in theholding plate 39 and theholding portion 41 has such an inside diameter as to be fitted over theholding face 31 of thestorage tank 28. When theholding portion 41 of thepower supply unit 7 holds theholding face 31 of thestorage tank 28, the surroundingportion 36 of the inner tube portion 33 extending upward from theopening portion 30 of thestorage tank 28 is fitted in theretaining groove 40. - As power supply voltage of the
power supply unit 7, DC 4.5 V, 6.0 V, and 7.5 V may for instance be used. - As shown in
Figs. 2 and3 , thetransducer unit 6 includes asupport arm 42 having a recessed shape and atransducer 44 fixed to a center of alateral bar portion 43 of thesupport arm 42, andvertical bar portions support arm 42 extend, while tilting, from thelateral bar portion 43. Thelateral bar portion 43 is provided with two protectingpieces transducer 44. At tip ends of thevertical bar portions support arm 42, connectingshafts 47 protruding outward are provided. Each of the connectingshafts 47 includes around shaft 48 and restrictingshafts Fig. 3 ). By fitting the opposite connectingshafts 47 into the connectingholes 16 in thesupport plates 15 provided to the inner side of thelid member 2, thesupport arm 42 is supported to be able to turn between theopposite support plates 15 of thelid member 2. Turning of thesupport arm 42 is restricted by interference between the restrictingshafts 49 of the connectingshafts 47 and the fan-shaped holes 18 of the connectingholes 16. - Next, a method of assembling the
liquid sprayer 1 according to the embodiment will be described. - First, the
power supply unit 7 is fixed into the upper portion of thesupport member 3. The connectingshafts 47 of thesupport arm 42 are fitted into the connectingholes 16 formed in theopposite support plates 15 of thelid member 2 to support thesupport arm 42 between the opposite side faces of thelid member 2. Next, the oppositefitting shafts 14 of thelid member 2 are inserted into the opposite fitting holes 25 in thesupport member 3 to connect thelid member 2 to thesupport member 3 so that thelid member 2 can turn. After that, an electric wire (not shown) extending from thepower supply unit 7 is connected to thetransducer 44 of thetransducer unit 6. Then, the holdingface 31 of the sprayliquid storage unit 5 formed by inserting the liquid soaking holder 29 into thestorage tank 28 is fitted into the holdingplate 39 of thepower supply unit 7 to thereby fix the sprayliquid storage unit 5 into the lower portion of thesupport member 3. Lastly, thelid member 2 is closed onto thesupport member 3 and the lock pins 27 of thesupport member 3 are fitted into the lock holes 19 in thelid member 2 to thereby lock opening and closing of thelid member 2 with respect to thesupport member 3. - In the assembled
liquid sprayer 1, thetransducer 44 and the core 34 with which thetransducer 44 is in close contact are exposed through thespray hole 8 in thelid member 2. If the electric power is supplied from thepower supply unit 7 to vibrate thetransducer 44, the spray liquid retained by thecore 34 is turned into the mist by the vibration of thetransducer 44 and sprayed outside the casemain body 4 through thespray hole 8. Because the respective faces except the front face of the tip end portion of the core 34 in close contact with thetransducer 44 are surrounded with the surroundingportion 36, it is possible to prevent the spray liquid, which has been turned into the mist by thetransducer 44, from being sprayed inside the casemain body 4. - To replace the spray
liquid storage unit 5, by inserting a pin (not shown) into thelock hole 19 in thelid member 2 to push thelock pin 27 inward, the locking of thelid member 2 to thesupport member 3 is released and thelid member 2 is turned upward with respect to thesupport member 3. Next, the old sprayliquid storage unit 5 is detached from the holdingplate 39 of thepower supply unit 7 and a new sprayliquid storage unit 5 is fixed to the holdingplate 39. Lastly, thelid member 2 is closed onto thesupport member 3 and locked. - Next, a positional relationship between the
support arm 42 and the core 34 when thelid member 2 is opened and closed with respect to thesupport member 3 of theliquid sprayer 1 according to the embodiment will be described based onFigs. 7A to 7C . In each ofFigs. 7A to 7C , a lower portion of the casemain body 4 and thepower supply unit 7 are not shown and an enlarged view showing a relationship between the connectingshaft 47 of thesupport arm 42 and the connectinghole 16 of thesupport plates 15 is shown. - First, if the
lid member 2 is completely closed onto thesupport member 3, an entire back face of thetransducer 44 fixed to thesupport arm 42 comes into close contact with a front face of the core 34 as shown inFig. 7A . At this time, the restrictingshafts 49 of the connectingshafts 47 are not interfering with the fan-shapedholes 18 of the connectingholes 16 and therefore thesupport arm 42 can turn in a front-back direction with respect to thesupport plates 15. Furthermore, because thelateral bar portion 43 and thetransducer 44 are positioned on the front side of the axis of turning of thesupport arm 42, the center of gravity of thesupport arm 42 is positioned on the back side of the axis of turning and a force for turning backward is always acting on thesupport arm 42. Therefore, thetransducer 44 fixed to thesupport arm 42 is in close contact with and pressed against the front face of thecore 34. - Next, if the
lid member 2 is completely opened from thesupport member 3, as shown inFig. 7B , the back face of thetransducer 44 fixed to thesupport arm 42 is separated from the front face of thecore 34. At this time, the restrictingshafts 49 of the connectingshafts 47 are interfering with the fan-shapedholes 18 of the connecting holes 16. As a result, if thesupport arm 42 turns backward to some extent with respect to thesupport plates 15, the backward turning of thesupport arm 42 with respect to thesupport plates 15 is restricted. - Then, if the
lid member 2 is closed onto thesupport member 3, as shown inFig. 7C , a lower end of thetransducer 44 fixed to thesupport arm 42 comes into contact with the front face of thecore 34. At this time, the restrictingshafts 49 of the connectingshafts 47 are not interfering with the fan-shapedholes 18 of the connectingholes 16 and, as a result, thesupport arm 42 can turn in the front-back direction with respect to thesupport plates 15. Moreover, because thelateral bar portion 43 and thetransducer 44 are positioned on the front side of the axis of turning of thesupport arm 42, the center of gravity of thesupport arm 42 is positioned on the back side of the axis of turning and the force for turning backward is always acting on thesupport arm 42. Therefore, the lower end of thetransducer 44 fixed to thesupport arm 42 is in contact with and pressed against the front face of thecore 34. - If the
lid member 2 is completely closed onto thesupport member 3, they come into the state shown inFig. 7A again. - Referring to
Fig. 8 , a second embodiment comprises a variation of the inner tube portion of the liquid soaking holder of the first embodiment described above and the same reference numerals as those inFigs. 1 to 7C designate the same or corresponding portions inFig. 8 . - In an
inner tube portion 50 according to the embodiment, as shown inFig. 8 , alarge opening 51 is formed in a side face of a portion to be housed in thestorage tank 28 andcores inner tube portion 50. Theshort core 52 is housed in a portion of theinner tube portion 50 to be positioned above the openingportion 30 in thestorage tank 28 and thelong core 53 is housed in a portion of theinner tube portion 50 to be positioned below the openingportion 30 in thestorage tank 28. - In the present embodiment, the core forming the liquid soaking holder is divided into two at the position of the inner tube portion corresponding to the opening portion in the storage tank and therefore it is easy to replace only the upper end portion of the core which the transducer is in contact with and pressed against and which is relatively likely to be deformed.
- The spray liquid in the invention may be fragrance, deodorant, germicide, or the like but is not limited to them. The spray liquid may be other agents which can be turned into mist by the ultrasonic vibration of the transducer.
- Although the center of gravity of the support arm is positioned on the back side of the axis of turning so that the force for turning backward acts on the support arm when the transducer fixed to the support arm is brought into close contact with and pressed against the core in the method employed in The first embodiment described above, the method is not limited to it. For example, resilient bodies such as springs may be disposed at connecting portions between the support arm and the support plates to thereby always press the support arm backward.
DESCRIPTION OF REFERENCE SIGNS 1 Liquid sprayer 2 Lid member 3 Support member 4 Case main body 5 Spray liquid storage unit 6 Transducer unit 7 Power supply unit 8 Spray hole 9 Front face 10 Left side face 11 Right side face 12 Upper face 13 Lower face 14 Fitting shaft 15 Support plate 16 Connecting hole 17 Circular hole 18 Fan-shaped hole 19 Lock hole 20 Back face 21 Left side face 22 Right side face 23 Upper face 24 Lower face 25 Fitting hole 26 Resilient plate 27 Lock pin 28 Storage tank 29 Liquid soaking holder 30 Opening portion 31 Holding face 32 Outer tube portion 33 Inner tube portion 34 Core 35 Connecting bridge 36 Surrounding portion 37 Box portion 38 Support piece 39 Holding plate 40 Retaining groove 41 Holding portion 42 Support arm 43 Lateral bar portion 44 Transducer 45 Vertical bar portion 46 Protecting piece 47 Connecting shaft 48 Round shaft 49 Restricting shaft 50 Inner tube portion 51 Opening 52, 53 Core
Claims (3)
- A liquid sprayer (1) comprising a spray liquid storage unit (5) and a main body supporting the spray liquid storage unit inside the main body, the spray liquid storage unit including a core (34) for soaking up spray liquid stored in a storage tank to an outside of the storage tank, the main body including a lid member (2) to be put on a support member (3) for supporting the spray liquid storage unit so that the lid member can be opened and closed, wherein a spray hole (8) is formed in a position of the lid member facing a front face of the core of the spray liquid storage unit supported by the support member when the lid member is closed onto the support member, a transducer (44) facing the spray hole being disposed inside the lid member, and wherein the transducer disposed inside the lid member is pressed against the front face of the core of the spray liquid storage unit supported by the support member when the lid member is closed onto the support member.
- The liquid sprayer according to claim 1, wherein the transducer disposed inside the lid member is fixed to a support arm (42) supported between side faces rising from opposite sides of a front face of the lid member in which the spray hole is formed.
- The liquid sprayer according to claim 1 or 2, wherein the core is divided into a tip end portion including the front face to be in close contact with the transducer and a base end portion extending from the tip end portion into the storage tank.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012106349A JP5858384B2 (en) | 2012-05-07 | 2012-05-07 | Liquid spray device |
US13/619,831 US9016595B2 (en) | 2012-05-07 | 2012-09-14 | Liquid sprayer |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2662149A2 true EP2662149A2 (en) | 2013-11-13 |
EP2662149A3 EP2662149A3 (en) | 2014-09-03 |
EP2662149B1 EP2662149B1 (en) | 2017-06-28 |
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ID=48288837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP13166099.5A Active EP2662149B1 (en) | 2012-05-07 | 2013-05-01 | Liquid sprayer |
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EP (1) | EP2662149B1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010007899A (en) | 2008-06-25 | 2010-01-14 | Sanyo Electric Co Ltd | Atomizer |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6752327B2 (en) * | 2002-10-16 | 2004-06-22 | S. C. Johnson & Son, Inc. | Atomizer with tilted orifice plate and replacement reservoir for same |
US20080041972A1 (en) * | 2006-08-02 | 2008-02-21 | Kai Chih Industrial Co., Ltd. | Spraying structure for an atomizer |
US20110011948A1 (en) * | 2009-07-15 | 2011-01-20 | Charlie Huang | Assembling structure of water conduction device for mist maker |
JP2011075196A (en) * | 2009-09-30 | 2011-04-14 | Sanyo Electric Co Ltd | Mist generator |
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2013
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2010007899A (en) | 2008-06-25 | 2010-01-14 | Sanyo Electric Co Ltd | Atomizer |
Also Published As
Publication number | Publication date |
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EP2662149A3 (en) | 2014-09-03 |
EP2662149B1 (en) | 2017-06-28 |
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