WO2011021523A1 - 振動数調整装置及びそれを用いた水流式口腔内洗浄装置 - Google Patents
振動数調整装置及びそれを用いた水流式口腔内洗浄装置 Download PDFInfo
- Publication number
- WO2011021523A1 WO2011021523A1 PCT/JP2010/063476 JP2010063476W WO2011021523A1 WO 2011021523 A1 WO2011021523 A1 WO 2011021523A1 JP 2010063476 W JP2010063476 W JP 2010063476W WO 2011021523 A1 WO2011021523 A1 WO 2011021523A1
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- Prior art keywords
- side rotating
- rotating member
- shaft member
- cleaning device
- reciprocating linear
- Prior art date
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
- A61C17/0202—Hand-pieces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
- A61C17/028—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication with intermittent liquid flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
- Y10T74/18288—Cam and lever
Definitions
- the present invention relates to a frequency adjusting device for adjusting the frequency of reciprocating linear motion and a water flow type oral cavity cleaning device using the same.
- the rotation of the pinion fixed to the rotation shaft of the motor is converted into the rotation of the face gear about the axis orthogonal to the rotation shaft, and the rotation of the face gear
- a motor-type electric toothbrush comprising conversion means for converting the shaft into a reciprocating linear motion of the drive shaft via a crank mechanism has been widely adopted because it can be manufactured at low cost.
- the face gear is decelerated and rotated by the meshing of the gears. Therefore, the frequency of the cleaning head is set to 1500 to 5000 cpm and the amplitude is set to 3 to 7 mm. Naturally there is a limit.
- the intraoral cleaning device includes a pump capable of discharging cleaning liquid by reciprocating linear movement of the piston, a pump driving means for driving the piston, and a discharge nozzle for cleaning liquid, and the cleaning liquid is intermittently ejected from the nozzle.
- a water-flow type intraoral cleaning device that can efficiently clean interdental teeth and periodontal pockets with a cleaning liquid has been widely put into practical use (see, for example, Patent Document 4).
- a connection member that can be connected to a drive shaft of a motor type electric toothbrush drive device is provided, and the pump can be driven by the motor type electric toothbrush drive device.
- a configuration has also been proposed in which the pump driving means of the intraoral cleaning device can be shared with the motor-type electric toothbrush driving device (see, for example, Patent Document 5).
- the drive apparatus of the electric toothbrush currently used is a water-flow type intraoral cleaning apparatus
- a sonic-type electric toothbrush drive device is a water-flow type.
- the stroke of the drive shaft is as short as 0.2 to 1.0 mm, for example, so that a sufficient discharge amount of cleaning liquid cannot be secured, and the vibration frequency is as high as 5000 to 11000 cpm.
- An object of the present invention is to provide a frequency adjusting device capable of easily adjusting the frequency and amplitude of a reciprocating linear motion with a mechanically simple configuration, and to use the frequency adjusting device to make a pump drive means a sonic electric toothbrush. It is providing the water-flow type intraoral cleaning apparatus which became communicable with the drive device of this.
- the frequency adjusting device includes an input-side rotating member and an output-side rotating member, and a one-way clutch that transmits only rotational movement in one direction of the input-side rotating member to the output-side rotating member.
- a one-way clutch that transmits only rotational movement in one direction of the input-side rotating member to the output-side rotating member.
- the input side rotation member of the first conversion means reciprocates by a set angle, and only the forward movement or the backward movement of the input side rotation member. Is transmitted to the output side rotation member via the one-way clutch, and the output side rotation member rotates by a predetermined angle. Then, the rotation of the output-side rotating member is converted into the reciprocating linear motion of the second shaft member by the second converting means, and the first shaft member reciprocates linearly a plurality of times and the output-side rotating member makes one rotation. Each time, the second shaft member reciprocates linearly only once.
- the first conversion means adopts a mechanically simple configuration using a one-way clutch, thereby adjusting the frequency of the second shaft member at low cost and reliably. can do.
- the second conversion means the rotational movement of the output side rotating member is converted into the reciprocating movement of the second shaft member by using a crank mechanism, a cam mechanism or the like. The amplitude of the biaxial member can be arbitrarily adjusted.
- the first converting means is provided with a lever member for converting the reciprocating linear motion of the first shaft member into the reciprocating rotation of the input side rotating member.
- the lever length of the lever member by adjusting the lever length of the lever member, the angle of the reciprocating rotation of the input side rotating member during the reciprocating linear motion of the first shaft member is adjusted, and the frequency of the first shaft member and the first The frequency ratio of the biaxial member can be adjusted.
- a first gear is formed on the outer peripheral portion of the output-side rotating member, a second gear meshing with the first gear is provided, and the second gear is eccentrically moved so that the second shaft member reciprocates linearly.
- a thing provided with a cam can also be used.
- the number of reciprocating linear motions of the second shaft member when the output-side rotating member makes one rotation can be changed by changing the ratio of the number of teeth of the first gear and the second gear. .
- the amplitude of the second shaft member can be adjusted by adjusting the eccentric distance of the eccentric cam.
- a water flow type oral cavity cleaning device comprises a pump capable of discharging a cleaning liquid by reciprocating linear motion of a piston, a pump driving means for driving the piston, and a cleaning liquid discharge nozzle.
- the pump drive means includes the frequency adjusting device and a drive means body having a first shaft member that reciprocates linearly, and sets an input side rotation member by the reciprocating linear motion of the first shaft member. By reciprocating the angle, only the forward or backward movement of the input side rotating member is transmitted to the output side rotating member via the one-way clutch, and the output side rotating member is rotated by a certain angle, and the output side The rotary motion of the rotating member is converted into the reciprocating linear motion of the second shaft member, and the piston is reciprocated linearly by the second shaft member.
- the reciprocating linear motion of the first shaft member of the drive means body is switched to the reciprocating linear motion of the second shaft member of the frequency adjusting device, and the piston of the pump is driven by the second shaft member.
- the frequency adjusting device as described above, since the frequency and amplitude of the reciprocating linear motion of the second shaft member can be arbitrarily adjusted, for example, the reciprocating linear motion of the first shaft member that vibrates at high speed can be adjusted to the second shaft member.
- the low-speed reciprocating linear motion can be adjusted, and the driving device of the sonic electric toothbrush can be shared as the driving means body of the water flow type oral cavity cleaning device.
- the drive means body is shared with the drive device of the sonic electric toothbrush. If comprised in this way, since the water-flow type intraoral cleaning apparatus can be driven using the drive apparatus of the sonic-type electric toothbrush currently used, the user who is using the sonic-type electric toothbrush It is possible to reduce the user's economic burden when introducing the internal cleaning device.
- the first shaft member and the nozzle can be arranged on the same axis.
- the first shaft member is arranged coaxially with the replacement brush of the sonic electric toothbrush, and the nozzle of the water flow type oral cleaning device is used by being inserted into the oral cavity in the same manner as the replacement brush.
- a pump and a cleaning liquid tank can also be provided above the handling grip. Although it is possible to install the cleaning liquid tank on the grip or below it, the pressure loss of the cleaning liquid from the cleaning liquid tank to the pump and the pressure loss of the cleaning liquid from the pump to the nozzle will increase. It is preferable to provide a pump and a cleaning liquid tank above the unit.
- a drive device for an electric toothbrush having a drive shaft as a first shaft member that reciprocates linearly as the drive means body is detachably attached to a cleaning device body having the pump, the discharge nozzle, and the frequency adjusting device.
- the cleaning device main body has a fitting portion that is detachably fitted and fixed to the first shaft member of the driving device as an attachment for power transmission that transmits the power of the driving device to the first conversion means.
- the power transmission member for transmitting the power of the first shaft member to the first conversion means, the drive device and the cleaning device main body are relatively moved in the axial direction of the first shaft member, so that the The current position of the reciprocating linear motion of the power transmission member that moves together with the single shaft member relative to the cleaning device main body is adjusted to a position that matches the current position of the reciprocating linear motion of the first shaft member relative to the drive device. It is also a preferred embodiment to use one and a location adjustment means.
- the first shaft member formed of the drive shaft of the electric toothbrush drive device is fitted and fixed to the fitting portion of the power transmission member of the attachment, and the power of the first shaft member is transmitted via the power transmission member. It will be transmitted to the cleaning device body, but when the first shaft member is inserted and fitted into the fitting portion of the power transmission member, the power transmission member is pushed and moved to the top dead center side. Even so, the position adjustment means causes the drive device and the cleaning device body to move relative to each other in the axial direction of the first shaft member, and the power transmission member that moves together with the first shaft member performs a reciprocating linear motion relative to the cleaning device body.
- the current position is adjusted to a position that matches the current position of the reciprocating linear motion of the first shaft member relative to the drive device, and the reciprocating linear motion of the first shaft member relative to the drive device and the power transmission member of the cleaning device main body are adjusted. Round trip So that the synchronization is taken.
- the position adjusting means can synchronize the reciprocating linear motion of the first shaft member with respect to the driving device and the reciprocating linear motion of the power transmitting member with respect to the cleaning device main body with one touch.
- the operation for synchronous adjustment can be omitted, and the water flow type oral cavity cleaning device can be used only by fitting the first shaft member into the fitting portion of the power transmission member.
- a lever member that converts the reciprocating linear motion of the first shaft member into the reciprocating rotation of the input side rotating member is provided in the first converting means, and the lever member is provided. It is a preferred embodiment that the power transmission member is connected to the end of the first embodiment. In this case, by adjusting the lever length of the lever member, the angle of the reciprocating rotation of the input side rotating member during the reciprocating linear motion of the first shaft member is adjusted, and the frequency of the first shaft member and the first The frequency ratio of the biaxial member can be adjusted.
- a first urging means that is compressed by a fitting operation of the first shaft member with respect to the fitting portion and urges the driving device in a detaching direction of the first shaft member; Positioning means for locking the movement of the drive device in the detaching direction by one urging means and positioning the drive device at an appropriate position with respect to the cleaning device main body may be provided.
- the first shaft member can be reliably fitted and fixed to the fitting portion by fitting the first shaft member to the fitting portion of the power transmission member while compressing the first biasing means. it can.
- the driving device moves in the direction of detachment of the first shaft member together with the first shaft member and the power transmission member by the biasing force of the first biasing unit, and is driven by the positioning unit.
- the apparatus is positioned at an appropriate position with respect to the cleaning device body, and the current position of the reciprocating linear motion of the power transmission member relative to the cleaning device body is adjusted to a position that matches the current position of the reciprocating linear motion of the first shaft member relative to the drive device.
- the reciprocating linear motion of the first shaft member relative to the driving device and the reciprocating linear motion of the power transmission member relative to the cleaning device main body are synchronized.
- the first shaft member can be easily inserted and removed from the fitting portion by moving the drive device along the guide portion.
- the first conversion means adopts a mechanically simple configuration using a one-way clutch, so that the frequency of the second shaft member can be reduced inexpensively and reliably. Can be adjusted.
- the second conversion means the rotational movement of the output side rotating member is converted into the reciprocating movement of the second shaft member by using a crank mechanism, a cam mechanism or the like. The amplitude of the biaxial member can be arbitrarily adjusted.
- the frequency adjusting device can arbitrarily adjust the frequency and amplitude of the reciprocating linear motion of the second shaft member.
- the reciprocating linear motion can be adjusted to the low-speed reciprocating linear motion of the second shaft member, and the driving device of the sonic electric toothbrush can be shared as the driving means main body of the water flow type oral cavity cleaning device.
- FIG. 5A is a cross-sectional view taken along the line aa
- FIG. 5B is a cross-sectional view taken along the line bb.
- Operation explanatory diagram of frequency adjusting device and pump of water flow type oral cavity cleaning device (A) to (c) are diagrams explaining the operation of the attachment.
- (A) of the connecting cylinder is a plan view
- (b) is a cross-sectional view taken along line bb of (a)
- (c) is a bottom view
- (d) is a perspective view.
- (A) of the pressing cylinder is a plan view
- (b) is a cross-sectional view taken along the line bb of (a)
- (c) is a bottom view
- (d) is a perspective view with the front half cut out.
- the water-flow type intraoral cleaning device 1 includes a cleaning device main body 2 and a driving device 3 as a driving means main body detachably attached to the front side of the cleaning device main body 2.
- the electric toothbrush drive device is shared as the drive device 3 of the water flow type oral cavity cleaning device 1.
- the side on which the driving device 3 is attached is defined as the front side and will be described below.
- the drive device 3 is a drive shaft for rotating the drive shaft (corresponding to a first shaft member) 10 supported so as to be capable of reciprocating linear motion, the motor 12 driven by the battery 11, and the rotary shaft 12a of the motor 12. And a scotch yoke mechanism 13 for converting into 10 reciprocating linear motions, and a brush (not shown) can be detachably attached to the upper end of the drive shaft 10, and the scotch yoke mechanism 13 rotates the rotating shaft 12 a once.
- the drive shaft 10 reciprocates once every time, and is constituted by a known sonic electric toothbrush drive device.
- the drive device 3 is configured to reciprocate linearly the drive shaft 10, a combination of a plurality of gears or a linear actuator having a permanent magnet and a coil may be used. It can be used in common with a drive device for a sonic electric toothbrush having an arbitrary configuration with an increased frequency, or a drive device for a motorized electric toothbrush having a low frequency of 1500 to 5000 cpm. It is also possible.
- the cleaning device body 2 includes a power transmission attachment 60 that transmits the power of the drive shaft 10 of the drive device 3 to the cleaning device body 2 via a power transmission member 61, and a piston 20.
- Pump 21 capable of discharging cleaning liquid by reciprocating linear motion
- frequency adjusting means 22 for switching reciprocating linear motion of power transmission member 61 to reciprocating linear motion of piston 20 having a frequency and amplitude suitable for pump 21, and cleaning liquid
- a cleaning liquid tank 23 to be stored and a discharge nozzle 24 for the cleaning liquid are provided, and the interdental teeth, tooth surfaces, periodontal pockets, and the like can be cleaned by the cleaning liquid discharged intermittently from the discharge nozzle 24.
- the frequency adjusting unit 22 corresponds to a frequency adjusting device
- the frequency adjusting unit 22 and the driving device 3 correspond to a pump driving unit.
- a base portion 26 is formed on the upper portion of the frame 25 of the cleaning device body 2 so that a horseshoe-shaped cleaning liquid tank 23 having a U-shape in a plan view is detachably fitted.
- a lower portion of the frame 25 extends along the rear side of the driving device 3.
- a grip portion 27 extending to the lower end of the cleaning device 1 is formed, and the operability of the cleaning device 1 can be improved by holding the drive device 3 together with the grip portion 27 by hand.
- the discharge nozzle 24 is formed of a well-known water-pick discharge nozzle in the form of a hollow pipe and is detachably attached to the upper end portion of the base portion 26 coaxially with the drive shaft 10 in a liquid-tight manner.
- the pump 21 includes a cylindrical cylinder 30 provided vertically in a lower portion of the base portion 26, a piston 20 fitted in the cylinder 30 in a fluid-tight manner so as to be movable in the vertical direction, and a lower end portion of the cylinder 30. And a valve member 32 capable of opening and closing the inlet portion 31 of the valve. Connected to the pump 21 are a supply pipe 33 that communicates the lower end of the cleaning liquid tank 23 and the inlet 31 of the cylinder 30, and a discharge pipe 35 that communicates the outlet 34 of the lower part of the cylinder 30 and the discharge nozzle 24.
- the valve member 32 When the piston 20 moves upward, the valve member 32 is opened, the cleaning liquid in the cleaning liquid tank 23 is supplied into the cylinder 30 through the supply pipe 33, and when the piston 20 moves downward, the valve member 32 is closed.
- the cleaning liquid in the cylinder 30 is configured to be discharged from the discharge nozzle 24 through the discharge pipe 35.
- the frequency adjustment means 22 includes a first conversion means 40 that converts the reciprocating linear motion of the power transmission member 61 that reciprocates linearly with the drive shaft 10 into a rotational motion in one direction of the output-side rotating member 42, and an output-side rotating member. And a second converting means 50 for converting the rotational motion of 42 into the reciprocating linear motion of the second shaft member 43.
- the first conversion means 40 converts only the rotational motion in one direction of the input side rotating member 41 and the output side rotating member 41 into the output side rotating member 42.
- a one-way clutch 44 for transmission is provided, and the input-side rotating member 41, the output-side rotating member 42, and the one-way clutch 44 are rotatably supported in a rear upper part of the base portion 26 via a support shaft 45. .
- a ring-shaped one-way clutch 44 is provided in which a plurality of rollers (not shown) extending in the axial direction are provided on the inner peripheral part so as to be able to protrude and retract at regular intervals in the circumferential direction.
- An input side sleeve 41a to which the one-way clutch 44 is fitted is formed in a projecting shape at the center of the disc-shaped input-side rotating member 41, and a one-way is disposed near the outer periphery of the disc-shaped output-side rotating member 42.
- An output-side sleeve 42a that is externally fitted to the clutch 44 is formed in a protruding shape.
- the input side rotating member 41 is fitted in the one-way clutch 44 so as not to be relatively rotatable in the direction of arrow A, and is relatively rotatable in the direction opposite to arrow A, and the output side rotating member 42 has an inner peripheral surface thereof.
- the one-way clutch 44 is fitted on the one-way clutch 44 through a projection 42b that protrudes from the outer side so as not to rotate.
- a lever member 47 extending in the front-rear direction is provided in the upper portion of the base portion 26 so as to be rotatable around a pivot shaft 46 in the left-right direction.
- the front end portion of the lever member 47 can be integrally fitted to the drive shaft 10.
- a power transmission member 61 is rotatably connected via a pin member 48, and a frame portion 47 a that avoids the support shaft 45 of the first conversion means 40 is formed in the middle of the lever member 47.
- a long hole 47b elongated in the front-rear direction is formed at the rear end.
- an operation pin 49 that fits into the long hole 47b is erected and fixed, and the lever member 47 is centered on the pivot shaft 46 by the reciprocating linear motion of the drive shaft 10 in the vertical direction.
- the amplitude of the drive shaft 10 is amplified according to the ratio of the length L1 between the pivot shaft 46 and the operation pin 49 and the length L2 between the pivot shaft 46 and the pin member 48, and the lever member.
- the output side rotating member 42 is one-way. It is configured to rotate by a certain angle in the direction of arrow A via the clutch 44.
- a first gear 51 is formed on the outer periphery of the output side rotation member 42, and a second gear 52 that meshes with the first gear 51 is pinned below the output side rotation member 42.
- the second gear 52 is provided with a cylindrical eccentric cam 54 that is eccentric with respect to the pin member 53 by a fixed distance L3.
- a cylindrical portion 55 that is rotatably fitted to the eccentric cam 54 is formed at the upper end portion of the second shaft member 43 that drives the piston 20 of the pump 21 in the vertical direction, and the second gear 52 rotates around the pin member 53.
- the second shaft member 43 and the piston 20 are configured to reciprocate linearly in the vertical direction with an amplitude twice the eccentric distance L3 of the eccentric cam 54 with respect to the pin member 53.
- the ratio of the frequency of the first shaft member and the frequency of the second shaft member 43 can be set in accordance with the ratio of the number of teeth of the first shaft member, and the amplitude of the reciprocating linear motion of the piston 20 is 2 of the eccentric distance L3 of the eccentric cam 54. Double the distance, so even if it is a sonic electric toothbrush with a drive shaft 10 having a frequency of 5000 to 11000 cpm and an amplitude of 0.2 to 1.0 mm, the drive device of the water flow type oral cavity cleaning device 1 is used.
- the driving device 3 can be shared.
- the pump 21, the frequency adjusting means 22, the cleaning liquid tank 23, and the discharge nozzle 24 may have configurations other than those shown in FIGS. 1 to 7.
- the power transmission attachment 60 includes a fitting portion 62 that is detachably fitted and fixed to the drive shaft 10 of the drive device 3.
- the power transmission member 61 that transmits the motive power to the cleaning device main body 2, the drive device 3, and the cleaning device main body 2 are moved relative to each other in the axial direction (vertical direction) of the drive shaft 10, together with the drive shaft 10 of the drive device 3.
- Position adjustment means 63 is provided for adjusting the position of the reciprocating linear motion of the moving power transmission member 61 with respect to the cleaning device main body 2 to a position that matches the current position of the reciprocating linear motion of the drive shaft 10 with respect to the drive device 3. ing.
- the position adjusting means 63 is compressed by a fitting operation of the driving shaft 10 with respect to the fitting portion 62 and a pair of left and right guide portions 64 that guide the driving device 3 so as to be movable only in the vertical direction, and drives the driving device 3.
- the first urging means 65 that urges the shaft 10 in the detaching direction (downward in FIG. 5), and the movement of the driving device 3 in the detaching direction by the first urging means 65 are locked to the cleaning device main body 2.
- the guide portion 64 is formed to project in an arc shape from the left and right side portions of the grip portion 27 to the front side along the drive device 3 disposed on the front side of the grip portion 27 of the cleaning device body 2. By being inserted between the parts 64 from below, it is guided so as to be movable only in the vertical direction. However, the guide portion 64 can be omitted.
- the first urging means 65 will be described.
- a support cylinder portion 67 projecting downward is integrally formed on the lower surface of the front portion 46 a of the base portion 26 facing the drive device 3.
- a hook portion 67a is provided at an intermediate portion in the height direction of the support cylinder portion 67 at intervals in the circumferential direction, and a connecting cylinder 68 extending downward is formed in the fitting recess 68a in the support cylinder portion 67.
- the hook portion 67a is engaged, and is fitted and fixed so as not to move in the vertical direction.
- An O-ring 69 is interposed between the base end portion of the support tube portion 67 and the upper end portion of the connection tube 68, and the connection tube 68 is externally fitted in a watertight manner to the support tube portion 67 via the O-ring 69. Yes.
- a power transmission member 61 is provided so as to be vertically inserted through the central portion of the support tube portion 67 and the connecting tube 68, and an annular holding portion 68 b protruding inward is integrally formed at the lower end portion of the connecting tube 68.
- the second urging means 70 made of a disc-shaped rubber member is provided between the holding portion 68b and the lower end portion of the support cylinder portion 67, and the middle portion of the power transmission member 61 is located at the center of the second urging means 70. It is fixed through.
- the power transmission member 61 is constantly urged to the center position of the reciprocating linear motion, and the gap between the support cylinder portion 67 and the connecting cylinder 68 and the power transmission member 61 is closed in a watertight manner. ing.
- An annular groove 68c is formed in the middle of the outer peripheral surface of the connecting tube 68 in the height direction, and three guide grooves 68d extending in the vertical direction are formed on the outer peripheral surface of the connecting tube 68 at intervals in the peripheral direction. ing.
- a cylindrical pressing cylinder 71 is externally fitted to the connecting cylinder 68 so as to be movable in the vertical direction, and an engagement protrusion 71 a is formed on the inner peripheral surface of the pressing cylinder 71 so as to engage with the annular groove 68 c.
- a protrusion 71b that fits in the guide groove 68d is formed on the inner peripheral surface of the pressing cylinder 71 at an interval in the circumferential direction, and the pressing cylinder 71 cannot move relative to the connecting cylinder 68 in the circumferential direction.
- the exterior is movably moved up and down by the width of the annular groove 68c.
- An annular receiving portion 71c extending inward is formed at the lower end of the pressing cylinder 71, and a spring member that constantly urges the pressing cylinder 71 downward between the holding portion 68b of the connecting cylinder 68 and the receiving portion 71c of the pressing cylinder 71. 72 is provided.
- a synthetic rubber such as urethane rubber or a cushion material such as an air cushion may be provided.
- a locking recess 73 is formed on the front surface of the lower portion of the grip portion 27, and the locking recess 73 is fitted on the rear surface of the casing 14 of the driving device 3.
- a projection 74 is formed, and the driving device 3 is positioned in the cleaning device main body 2 with respect to an appropriate position in the axial direction (height direction) of the driving shaft 10 by fitting the projection 74 into the locking recess 73. It is configured to be.
- a bracket portion 27a is formed on the lower end portion of the grip portion 27 so as to protrude rearward.
- a holder member 75 capable of holding the lower end portion of the driving device 3 is formed on the bracket portion 27a with the pivot pin 76 as a center in FIG. It is rotatably supported over the holding position shown in the figure and the open position shown in FIG.
- a torsion spring 79 is externally mounted on the pivot pin 76 between the bracket portion 27 a and the holder member 75, and the holder member 75 is always urged to the open position side via the torsion spring 79.
- a release button 77 is provided on the bracket portion 27 a so as to be movable in the vertical direction, and the release button 77 is always urged upward by a spring member 78.
- the holder member 75 is formed with an engaging claw 75a, and the release button 77 is formed with a locking hole 77a into which the engaging claw 75a can be engaged. Then, when the holder member 75 is operated from the open position shown in FIG. 3 to the holding position side, as shown in FIG. 2, the engaging claw 75a engages with the locking hole 77a, and the holder member 75 is held at the holding position. The lower end portion of the driving device 3 is held so as not to move downward and forward with respect to the holder member 75 so that the protrusion 74 does not separate from the locking recess 73. On the other hand, when the release button 77 is pushed, as shown in FIG.
- the drive shaft 10 is inserted into the fitting portion 62, the push cylinder 71 is pushed upward by the casing 14 of the drive device 3 to compress the first urging means 65, and the power transmission member 61 is pushed upward to move the drive shaft 10.
- the power transmission member 61 is fitted and fixed to the fitting portion 62. At this time, the drive shaft 10 does not move relative to the drive device 3, but the power transmission member 61 moves relative to the cleaning device body 2 and moves toward the top dead center. Then, when the hand that pushes and operates the driving device 3 is loosened from this state, the projection 74 of the casing 14 of the driving device 3 is engaged by the urging force of the first urging means 65 as shown in FIG.
- the driving device 3 moves downward until it is locked by the locking recess 73, the power transmission member 61 moves downward together with the driving device 3, and the casing 14 of the driving device 3 is locked by the locking recess 73.
- the current position of the reciprocating linear motion of the power transmission member 61 relative to the cleaning device main body 2 is adjusted to a position that matches the current position of the reciprocating linear motion of the drive shaft 10 relative to the driving device 3.
- the reciprocating linear motion of the drive shaft 10 and the reciprocating linear motion of the power transmission member 61 with respect to the cleaning apparatus main body 2 are synchronized.
- the electric toothbrush driving device 3 can be used as the driving device for the cleaning device main body 2. Therefore, the electric toothbrush and the water-type oral cavity can be reduced while reducing the economic burden on the user.
- the cleaning device 1 can be used.
- the position adjusting means 63 can synchronize the reciprocating linear motion of the drive shaft 10 with respect to the driving device 3 and the reciprocating linear motion of the power transmission member 61 with respect to the cleaning device main body 2 with one touch. The operation can be omitted, and the cleaning device main body 2 can be used simply by fitting the drive shaft 10 into the fitting portion 62 of the power transmission member 61.
- this frequency adjusting device is the vibration of a reciprocating linear motion.
- the present invention can be applied to various devices that need to change the number and amplitude.
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Abstract
Description
図1~図4に示すように、水流式口腔内洗浄装置1は、洗浄装置本体2と、洗浄装置本体2の前側に着脱自在に取付けた駆動手段本体としての駆動装置3とを備え、音波式電動歯ブラシの駆動装置を水流式口腔内洗浄装置1の駆動装置3として共用したものである。なお、本実施例では、駆動装置3が取付けられる側を前側と定義して以下説明する。
3 駆動装置
10 駆動軸 11 バッテリー
12 モータ 12a 回転軸
13 スコッチヨーク機構 14 ケーシング
20 ピストン 21 ポンプ
22 振動数調整手段 23 洗浄液タンク
24 吐出ノズル 25 フレーム
26 ベース部 26a 前部
27 グリップ部 27a ブラケット部
30 シリンダ 30a 環状溝
31 入口部 32 弁部材
33 供給管 34 出口部
35 吐出管
40 第1変換手段 41 入力側回転部材
41a 入力側スリーブ 42 出力側回転部材
42a 出力側スリーブ 42b 突起
43 第2軸部材 44 ワンウェイクラッチ
45 支軸 46 枢支軸
47 レバー部材
47a 枠部 47b 長孔
48 ピン部材 49 操作ピン
50 第2変換手段 51 第1歯車
52 第2歯車 53 ピン部材
54 偏心カム 55 筒部
60 動力伝達用アタッチメント 61 動力伝達部材
61a 環状突起 62 嵌合部
63 位置調整手段 64 案内部
65 第1付勢手段 66 位置決め手段
67 支持筒部 67a フック部
68 連結筒 68a 嵌合凹部
68b 保持部 68c 環状溝
68d 案内溝 69 リング
70 第2付勢手段 71 押圧筒
71a 係合突起 71b 突条
71c 受け部 72 バネ部材
73 係止凹部 74 突起
75 ホルダ部材 75a 係合爪
76 枢支ピン 77 解除ボタン
77a 係止孔 78 バネ部材
79 捩じりバネ
Claims (12)
- 入力側回転部材及び出力側回転部材と、入力側回転部材の一方向への回転運動のみを出力側回転部材に伝達するワンウェイクラッチとを備え、第1軸部材の往復直線運動により入力側回転部材を設定角度だけ往復回動させることで、入力側回転部材の往動運動又は復動運動のみをワンウェイクラッチを介して出力側回転部材に伝達して、出力側回転部材を一定角度ずつ回転させる第1変換手段と、
前記出力側回転部材の回転運動を第2軸部材の往復直線運動に変換する第2変換手段と、
を備えたことを特徴とする振動数調整装置。 - 前記第1変換手段に、第1軸部材の往復直線運動を入力側回転部材の往復回動に変換するレバー部材を設けた請求項1記載の振動数調整装置。
- 前記第2変換手段として、前記出力側回転部材の外周部に第1歯車を形成し、この第1歯車に噛合する第2歯車を設け、第2歯車に第2軸部材を往復直線運動させる偏心カムを設けたものを用いた請求項1又は2記載の振動数調整装置。
- ピストンの往復直線運動により洗浄液を吐出可能なポンプと、前記ピストンを駆動するポンプ駆動手段と、洗浄液の吐出ノズルとを備えた水流式口腔内洗浄装置であって、
前記ポンプ駆動手段は、前記請求項1~3のいずれか1項記載の振動数調整装置と、往復直線運動する第1軸部材を有する駆動手段本体とを備え、
前記第1軸部材の往復直線運動により入力側回転部材を設定角度だけ往復回動させることで、入力側回転部材の往動運動又は復動運動のみをワンウェイクラッチを介して出力側回転部材に伝達して、出力側回転部材を一定角度ずつ回転させ、出力側回転部材の回転運動を第2軸部材の往復直線運動に変換して、第2軸部材でピストンを往復直線運動する、
ことを特徴とする水流式口腔内洗浄装置。 - 前記駆動手段本体を音波式電動歯ブラシの駆動装置と共用した請求項4記載の水流式口腔内洗浄装置。
- 前記第1軸部材とノズルとを同一軸線上に配置した請求項4又は5記載の水流式口腔内洗浄装置。
- ハンドリング用のグリップ部よりも上側にポンプ及び洗浄液を貯留する洗浄液タンクを設けた請求項4~6のいずれか1項記載の水流式口腔内洗浄装置。
- 前記ポンプと前記吐出ノズルと前記振動数調整装置とを有する洗浄装置本体に、前記駆動手段本体として、往復直線運動する第1軸部材としての駆動軸を備えた電動歯ブラシの駆動装置を着脱自在に設け、前記洗浄装置本体に、前記駆動装置の動力を前記第1変換手段へ伝達する動力伝達用アタッチメントとして、前記駆動装置の第1軸部材に着脱自在に嵌合固定される嵌合部を有し、前記第1軸部材の動力を前記第1変換手段へ伝達する動力伝達部材と、前記駆動装置と洗浄装置本体とを第1軸部材の軸方向へ相対移動させて、前記駆動装置の第1軸部材とともに移動する動力伝達部材の前記洗浄装置本体に対する往復直線運動の現在位置を、前記駆動装置に対する第1軸部材の往復直線運動の現在位置に適合する位置に、位置調整する位置調整手段とを備えたものを用いた請求項4~7のいずれか1項記載の水流式口腔内洗浄装置。
- 前記第1変換手段に、第1軸部材の往復直線運動を入力側回転部材の往復回動に変換するレバー部材を設け、前記レバー部材の端部に前記動力伝達部材を連結した請求項8記載の水流式口腔内洗浄装置。
- 前記位置調整手段として、前記嵌合部に対する第1軸部材の嵌合操作により圧縮されて、前記駆動装置を第1軸部材の離脱方向へ付勢する第1付勢手段と、前記第1付勢手段による前記離脱方向への駆動装置の移動を係止して、前記洗浄装置本体に対する適正位置に前記駆動装置を位置決めする位置決め手段とを備えた請求項8又は9記載の水流式口腔内洗浄装置。
- 前記第1軸部材とともに往復直線運動する動力伝達部材を、該動力伝達部材の往復直線運動の中心位置に付勢する第2付勢手段を設けた請求項8~10のいずれか1項記載の水流式口腔内洗浄装置。
- 前記駆動装置を、前記嵌合部に対する第1軸部材の嵌合方向にのみ移動自在に案内する案内部を設けた請求項8~11のいずれか1項記載の水流式口腔内洗浄装置。
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JP2011527639A JP5527323B2 (ja) | 2009-08-17 | 2010-08-09 | 振動数調整装置及びそれを用いた水流式口腔内洗浄装置 |
CN201080043573.2A CN102596096B (zh) | 2009-08-17 | 2010-08-09 | 振动频率调整装置和使用其的水流式口腔内清洗装置 |
EP10809868.2A EP2468213B1 (en) | 2009-08-17 | 2010-08-09 | Vibrational frequency adjustment device and water flow type oral cavity cleaning device using same. |
CA2771397A CA2771397C (en) | 2009-08-17 | 2010-08-09 | Vibrational frequency adjustment device and water flow type oral cavity cleaning device using same |
KR1020127006730A KR101675356B1 (ko) | 2009-08-17 | 2010-08-09 | 진동수 조정장치 및 그것을 사용한 수류식 구강내 세정장치 |
ES10809868T ES2795042T3 (es) | 2009-08-17 | 2010-08-09 | Dispositivo de ajuste de la frecuencia de vibración y dispositivo de limpieza de la cavidad bucal del tipo de flujo de agua utilizando el mismo |
US13/390,599 US9370408B2 (en) | 2009-08-17 | 2010-08-09 | Vibrational frequency adjustment device and water flow type oral cavity cleaning device using same |
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EP2468213B1 (en) | 2020-05-13 |
CA2771397A1 (en) | 2011-02-24 |
EP2468213A1 (en) | 2012-06-27 |
KR20120069685A (ko) | 2012-06-28 |
CA2771397C (en) | 2017-05-16 |
JPWO2011021523A1 (ja) | 2013-01-24 |
JP5527323B2 (ja) | 2014-06-18 |
KR101675356B1 (ko) | 2016-11-11 |
US9370408B2 (en) | 2016-06-21 |
CN102596096B (zh) | 2014-11-19 |
EP2468213A4 (en) | 2017-10-25 |
US20120156641A1 (en) | 2012-06-21 |
CN102596096A (zh) | 2012-07-18 |
ES2795042T3 (es) | 2020-11-20 |
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