CN114903631B - Ultrasonic tooth cleaner transducer - Google Patents
Ultrasonic tooth cleaner transducer Download PDFInfo
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- CN114903631B CN114903631B CN202210606903.9A CN202210606903A CN114903631B CN 114903631 B CN114903631 B CN 114903631B CN 202210606903 A CN202210606903 A CN 202210606903A CN 114903631 B CN114903631 B CN 114903631B
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- rod body
- control valve
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- main rod
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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
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
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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
Abstract
The invention discloses an ultrasonic tooth cleaner transducer, comprising: the vibration rod comprises a main rod body, wherein one end of the main rod body is provided with a vibration rod body, a piezoelectric part for vibrating the vibration rod body is arranged at the joint of the vibration rod body and the main rod body, a first through hole is formed in the main rod body, and a water outlet hole communicated with the first through hole is formed in the vibration rod body. The water flow forms certain pressure when flowing out from the tip of the vibration body of rod and washes just the tartar that drops to the convenient to use person can be clear sees the removal condition of tartar, and ingenious combines washing function and clean tooth function, realizes getting rid of tartar and abluent purpose simultaneously, reaches better tooth washing effect.
Description
Technical Field
The invention relates to the technical field of tooth cleaners, in particular to an ultrasonic tooth cleaner transducer.
Background
The dental scaler is used for removing dental calculus on teeth in a mode of ultrasonic vibration in the tooth washing process, and after the dental calculus is removed, an oral cavity is required to be cleaned to prevent the dental calculus from remaining in the oral cavity; in the prior art, the tooth cleaner generally has no flushing and cleaning function, ultrasonic tooth cleaning is needed by the tooth cleaner, then a mouthwash mode is adopted or other flushing devices are used for cleaning the mouth cavity, ultrasonic tooth cleaning and flushing cannot be synchronously carried out, and tooth cleaning effect and experience are poor. Accordingly, there is a need for an ultrasonic prophy transducer that at least partially addresses the problems of the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides an ultrasonic prophy transducer comprising: the vibration rod comprises a main rod body, wherein one end of the main rod body is provided with a vibration rod body, a piezoelectric part for vibrating the vibration rod body is arranged at the joint of the vibration rod body and the main rod body, a first through hole is formed in the main rod body, and a water outlet hole communicated with the first through hole is formed in the vibration rod body.
Preferably, a control valve for controlling the selective communication between the first through hole and the water outlet is arranged in the main rod body.
Preferably, the water outlet hole includes: the vibration rod body is far away from one end of the main rod body is provided with a contact end, the diameter of the contact end gradually decreases towards the direction away from the vibration rod body, the second through holes are formed in the axis of the vibration rod body and extend to the end face close to the contact end, the third through holes are circumferentially distributed on the outer side of the second through holes, and the third through holes extend to the transition face formed by the contact end and the vibration rod body.
Preferably, a fourth through hole communicated with the third through hole is formed in the main rod body, a plurality of fourth through holes are circumferentially distributed on the outer side of the first through hole, one end, away from the third through hole, of the fourth through hole is provided with a control valve, and the control valve is used for controlling the first through hole to be selectively communicated with the second through hole or communicated with the third through hole.
Preferably, the main rod body is further provided with a controller selectively connected with the control valve, and the controller is used for controlling the frequency of switching communication between the second through hole and the third through hole and the first through hole according to the water flow speed in the first through hole.
Preferably, the control valve includes: the telescopic device comprises a movable block and a telescopic rod, wherein an annular groove is formed in the inner side wall of a first through hole and communicated with a fourth through hole, a plurality of mounting grooves are distributed on the outer side of the annular groove along the circumferential direction of the annular groove, one end of the telescopic rod is fixedly arranged in the mounting groove, the other end of the telescopic rod extends into the annular groove, the annular groove is internally provided with the movable block connected with the telescopic rod, a plurality of movable blocks are mutually close to each other and can be used for blocking the first through hole, and a plurality of movable blocks are mutually far away from each other and can be used for blocking the fourth through hole; the movable block is provided with a diversion surface on one side opposite to the water flow direction, and the diversion surface is provided with a diversion trench corresponding to the fourth through hole.
Preferably, the telescopic rod includes: the connecting rod, the one end of connecting rod with the movable block is connected, the other end of connecting rod is equipped with first magnetic path, first magnetic path slides and locates in the mounting groove, the bottom of mounting groove is equipped with the electromagnetism piece, be equipped with first spring between first magnetic path and the electromagnetism piece.
Preferably, the controller includes: the device comprises a rotating fan, a second magnetic block, a second spring and a coil, wherein the coil is selectively connected with a control valve, at least one installation cavity which is perpendicular to the axis of the main rod is arranged in the main rod body, the coil which is spirally arranged is sleeved outside the installation cavity, the second magnetic block is slidably arranged in the installation cavity, and the second magnetic block is connected with the installation cavity through the second spring;
the rotating fan includes: the rotating shaft is perpendicular to the axis of the main rod body, two ends of the rotating shaft are rotatably connected to the inner side wall of the first through hole, a plurality of fan blades are arranged on the rotating shaft along the circumferential direction of the rotating shaft, and one of the fan blades and the second magnetic block can be attracted to each other.
Preferably, the control valve further comprises a battery, wherein the battery is selectively connected with the controller and the control valve respectively;
when the battery is required to supply power to the control valve, the control valve is disconnected from the controller, the battery is electrically connected with the control valve, and the controller is electrically connected with the battery;
when the controller is required to intermittently supply power to the control valve, the battery is disconnected from the controller and the control valve respectively, and the controller is electrically connected with the control valve.
Preferably, the piezoelectric portion is a bimorph ceramic sheet.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the ultrasonic tooth cleaner transducer provided by the invention provides ultrasonic vibration through the piezoelectric part, so that the vibration rod body generates ultrasonic vibration, the end part of the vibration rod body is contacted with dental calculus on teeth, and the dental calculus can be broken up and fall off from the teeth under the vibration of ultrasonic waves; when the vibration body of rod works, the first through-hole accessible connecting pipe of the main body of rod is external water tank, supplies water through the water tank, and rivers can pass through the apopore flow direction oral cavity of the first through-hole of the main body of rod and the vibration body of rod in proper order, and the rivers form certain pressure when flowing out from the tip of the vibration body of rod and wash just the tartar that drops to the removal condition of tartar can be clearly seen to the person of facilitating the use, ingenious combines washing function and clean tooth function, realizes getting rid of tartar and abluent purpose simultaneously, reaches better tooth washing effect.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a prior art dental sealer transducer;
FIG. 2 is a schematic view of the structure of an ultrasonic dental scaler transducer according to the present invention;
FIG. 3 is a schematic view showing the internal structure of the ultrasonic dental scaler transducer according to the present invention in which a first through hole and a second through hole are connected;
FIG. 4 is a schematic view showing the internal structure of the ultrasonic scaler transducer according to the present invention in which the first through hole is communicated with the third through hole;
FIG. 5 is a schematic view showing the internal structure of a vibrating rod body in an ultrasonic scaler transducer according to the present invention;
FIG. 6 is a schematic view of the control valve and controller of the ultrasonic scaler transducer according to the present invention;
FIG. 7 is a schematic cross-sectional view of the ultrasonic prophy transducer of FIG. 3 at A-A;
FIG. 8 is a schematic cross-sectional view of the ultrasonic prophy transducer of FIG. 4 at B-B;
FIG. 9 is a schematic view of a controller for plugging a fourth through hole in an ultrasonic dental scaler transducer according to the present invention;
FIG. 10 is a schematic sectional view of a control valve part of an ultrasonic scaler transducer according to the present invention;
fig. 11 is a schematic view showing a flow of water in the first through hole in the ultrasonic scaler transducer according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 11, the present invention provides an ultrasonic dental sealer transducer comprising: the vibration rod comprises a main rod body 1, wherein one end of the main rod body 1 is provided with a vibration rod body 2, a piezoelectric part 3 for vibrating the vibration rod body 2 is arranged at the joint of the vibration rod body 2 and the main rod body 1, a first through hole 110 is formed in the main rod body 1, and a water outlet hole communicated with the first through hole 110 is formed in the vibration rod body 2.
The working principle and the beneficial effects of the technical scheme are as follows: when the tooth cleaner works, ultrasonic vibration is provided by the piezoelectric part 3, so that the vibration rod body 2 generates ultrasonic vibration, the end part of the vibration rod body 2 is contacted with dental calculus on teeth, and the dental calculus can be broken up and fall off from the teeth under the vibration of ultrasonic waves; when the vibration rod body 2 works, the first through hole 110 of the main rod body 1 is externally connected with the water tank through the connecting pipe, water is supplied through the water tank, water flows sequentially through the first through hole 110 of the main rod body 1 and the water outlet hole of the vibration rod body 2, and a certain pressure is formed when the water flows out from the end part of the vibration rod body 2 to flush tartar which just falls off, so that a user can clearly see the removal condition of the tartar, the flushing function and the tooth cleaning function are combined ingeniously, the purpose of removing the tartar and cleaning the teeth is achieved, and a better tooth washing effect is achieved.
In one embodiment, a control valve 4 for controlling the first through hole 110 to selectively communicate with the water outlet hole is disposed in the main rod body 1.
The working principle and the beneficial effects of the technical scheme are as follows: a button electrically connected with the control valve 4 can be arranged on the tooth cleaner, and a user can control the control valve 4 through the button so as to control water flow to selectively flow out of the water outlet hole.
In one embodiment, the water outlet hole includes: the vibration rod body 2 is far away from one end of the main rod body 1 and is provided with a contact end 5, the diameter of the contact end 5 gradually decreases towards the direction far away from the vibration rod body 2, the second through holes 210 are arranged on the axis of the vibration rod body 2 and extend to be close to the end face of the contact end 5, a plurality of third through holes 220 are circumferentially distributed on the outer side of the second through holes 210, and the third through holes 220 extend to a transition surface 6 formed by the contact end 5 and the vibration rod body 2.
The working principle and the beneficial effects of the technical scheme are as follows: the contact end 5 on the vibration rod body 2 is a part contacted with teeth, the second through hole 210 is arranged along the axis of the vibration rod body 2 and the length direction of the contact end 5, the contact end 5 is arranged in a bending way or is arranged in a straight line way, the second through hole 210 extends to the end face close to the contact end 5, a guide groove is arranged on the side face of the end part of the contact end 5, the guide groove extends to the end face of the contact end, the second through hole 210 extends to be connected with the guide groove, namely, water flows out from the second through hole 210 and flows out along the end face of the contact end 5 through the guide groove, and the purpose of the arrangement is that the end face of the contact end 5 is prevented from blocking the second through hole 210 when contacting with teeth, so that water flows cannot smoothly flow out, meanwhile, the end face of the contact end 5 cannot be effectively contacted with teeth due to water flow pressure is avoided, and normal operation of the tooth cleaner is ensured; the third through holes 220 are distributed on the circumferential outer side of the second through holes 210, and as the diameter of the contact end 5 is smaller than that of the vibrating rod body 2, a conical surface, namely a transition surface 6, is formed at the joint of the contact end 5 and the vibrating rod body 2, and the third through holes 220 are arranged to extend to the transition surface 6 in consideration of the limited flushing range of water flowing out of the second through holes 210, so that water flow can flow from the transition surface 6 to the end part direction of the contact end 5, and the purpose of expanding the flushing range is achieved; and the diameter of the third through hole 220 is smaller than that of the second through hole 210, so that the water pressure flowing out of the third through hole 220 is larger, and the flushing effect is more ideal.
In one embodiment, a fourth through hole 120 communicating with the third through hole 220 is disposed in the main rod body 1, a plurality of fourth through holes 120 are circumferentially distributed on the outer side of the first through hole 110, one end of the fourth through hole 120 away from the third through hole 220 is provided with the control valve 4, and the control valve 4 is used for controlling the first through hole 110 to selectively communicate with the second through hole 210 or communicate with the third through hole 220.
The working principle and the beneficial effects of the technical scheme are as follows: one end of the fourth through hole 120 is communicated with the third through hole 220, the other end of the fourth through hole extends into the main rod body 1 and is controlled by the control valve 4, the control valve 4 is used for controlling water flow to flow from the first through hole 110 to the second through hole 210 and flow out of the end part of the contact end 5, or controlling water flow to flow from the first through hole 110 to the fourth through hole 120 and the third through hole 220 in sequence and flow out of the transition surface 6, switching can be performed, when water flow flows out of the transition surface 6, the flushing range can be enlarged, the flushing force can be increased, when water flow flows out of the end part of the contact end 5, the working of the contact end 5 can be matched better, and meanwhile, a user can observe the working position of the contact end 5 conveniently.
In one embodiment, a controller 7 selectively connected to the control valve 4 is further disposed in the main rod body 1, and the controller 7 is configured to control the frequency of the second through hole 210 and the third through hole 220 for switching communication with the first through hole 110 according to the water flow speed in the first through hole 110.
The working principle and the beneficial effects of the technical scheme are as follows: the control valve 4 is selectively and electrically connected with the controller 7, the controller 7 can automatically control the control valve 4 to switch the outflow position of water flow so that water flow can intermittently flow out of the second through hole 210 or the third through hole 220, the control of the controller 7 on the control valve 4 depends on the water flow speed flowing through the first through hole 110, when the water flow speed is increased, the frequency of water flow switching out of the second through hole 210 or the third through hole 220 is increased, and when the water flow speed is reduced, the frequency of water flow switching out of the second through hole 210 or the third through hole 220 is reduced; for example, the time of flowing out of the second through hole 210 is t, after the time t, the water flow is switched to flow out of the third through hole 220, after the time t, the water flow is switched to flow out of the second through hole 210, the larger the water flow speed is, the smaller the time t is, the larger the water flow speed means that the pressure of the water outlet is larger, the purpose of doing so is to prevent the water outlet from flushing the same part of the oral cavity for too long, so that damage to the same part of the oral cavity is caused when the water pressure is increased, the water is switched through the second through hole 210 or the third through hole 220, the situation that the damage is caused by the water pressure in the oral cavity due to forgetting to the moving position when the time of removing dental calculus on the same tooth is too long by a user can be avoided, the flushing range can be switched back and forth, the flushing area is increased, the flushing efficiency is ensured, the flushing safety is improved, and the flushing effect is further improved.
In one embodiment, the control valve 4 comprises: the movable block 410 and the telescopic rod 420 are arranged on the inner side wall of the first through hole 110, the annular groove 130 is communicated with the fourth through hole 120, a plurality of mounting grooves 140 are distributed on the outer side of the annular groove 130 along the circumferential direction of the annular groove, one end of the telescopic rod 420 is fixedly arranged in the mounting groove 140, the other end of the telescopic rod 420 extends into the annular groove 130, the movable block 410 connected with the telescopic rod 420 is arranged in the annular groove 130, a plurality of movable blocks 410 are mutually close to each other and can be used for sealing the first through hole 110, and a plurality of movable blocks 410 are mutually far away from each other and can be used for sealing the fourth through hole 120; a diversion surface 411 is arranged on one side of the movable block 410 opposite to the water flow direction, and a diversion trench corresponding to the fourth through hole 120 is arranged on the diversion surface 411;
the telescopic rod 420 includes: the connecting rod 421, the one end of connecting rod 421 with movable block 410 is connected, the other end of connecting rod 421 is equipped with first magnetic path 422, first magnetic path 422 slides and locates in the mounting groove 140, the bottom of mounting groove 140 be equipped with controller 7 selective connection's electromagnetic path 423, be equipped with first spring 424 between first magnetic path 422 and the electromagnetic path 423.
The working principle and the beneficial effects of the technical scheme are as follows: the movable block 410 and the telescopic rod 420 are provided with at least two groups, the telescopic end of the telescopic rod 420 is in sealed sliding connection with the mounting groove 140, when the electromagnetic block 423 is electrified, the electromagnetic block 423 is magnetic and can repel the first magnetic block 422, the first spring 424 is stretched, so that the first magnetic block 422 drives the connecting rod 421 to move, the movable blocks 410 are mutually close to each other and are attached, the first through hole 110 is blocked after the movable blocks 410 are attached, the fourth through hole 120 is communicated with the annular groove 130, the plurality of diversion surfaces 411 form a conical shape, at the moment, water flows to the conical diversion body formed by the movable blocks 410, and under the diversion effect of the diversion groove, the water flow is dispersed into the annular groove 130, and under the diversion effect of the diversion groove, the water flow can be accelerated to flow into the fourth through hole 120 and can flow out along the third through hole 220; when the electromagnetic block 423 is not electrified, the electromagnetic block 423 is not provided with magnetism, and under the action of the elastic restoring force of the first spring 424, the first magnetic block 422 is pulled to drive the connecting rod 421 to move, so that the movable blocks 410 are away from each other, one end of the fourth through hole 120, which is communicated with the annular groove 130, is blocked by the movable blocks 410, a water flow channel is formed between the movable blocks 410, and at the moment, water flows from the first through hole 110 to the second through hole 210 and flows out from the second through hole 210, so that the water outflow position can be switched, and the damage to the oral cavity caused by continuous high-pressure flushing of one position for a long time is prevented; the on-off of the electromagnetic block 423 is controlled by the controller 7, and the controller 7 is used for intermittently supplying power to the electromagnetic block 423, so that the automatic switching of the water outflow position is realized.
In one embodiment, the controller 7 comprises: the rotary fan 710, the second magnetic block 720, the second spring 730 and the coil 740 are selectively connected with the control valve 4, at least one installation cavity 150 which is perpendicular to the axis of the main rod body 1 is arranged in the main rod body, the coil 740 which is spirally arranged is sleeved outside the installation cavity 150, the second magnetic block 720 is slidably arranged in the installation cavity 150, and the second magnetic block 720 is connected with the installation cavity 150 through the second spring 730;
the rotating fan 710 includes: a rotation shaft 711, wherein the rotation shaft 711 is perpendicular to the axis of the main rod body 1, and two ends of the rotation shaft 711 are rotatably connected to the inner side wall of the first through hole 110, and a plurality of fan blades 712 are arranged on the rotation shaft 711 along the circumferential direction of the rotation shaft 711, wherein one of the fan blades 712 and the second magnetic block 720 can attract each other;
the inner side wall of the first through hole 110 is provided with a guide block 8, the guide block 8 is arranged on one side of the rotating fan 710 away from the movable block 410, and one surface of the guide block 8, which is close to the axis of the first through hole 110, is an inclined surface, and the distance between one end of the inclined surface, which is close to the rotating fan 710, and the axis of the first through hole 110 is smaller than that between the other end of the inclined surface and the axis of the first through hole 110.
The working principle and the beneficial effects of the technical scheme are as follows: a stopper for increasing frictional resistance of the rotating shaft 711 is provided at a rotational connection portion of the rotating shaft 711 and the inner side wall of the first through hole 110, and the stopper is used for preventing the rotating speed of the rotating fan 710 from being too high, so that an induced current is always generated, the controller 7 is prevented from always supplying power to the control valve 4, and the rotating shaft 711 starts to rotate only when the water flow speed through the first through hole 110 reaches a critical static friction force for the rotation of the rotating shaft 711; under the diversion effect of the diversion block 8, the water flow is accelerated to be flushed onto a certain fan blade 712 of the rotating fan 710, and under the condition that the diameter of the first through hole 110 is a constant value, the greater the water flow speed is, the greater the impact force of the water flow on the fan blade 712 is, and the faster the rotating speed of the rotating fan 710 is;
one of the fan blades 712 which can be adsorbed to the second magnetic block 720 is made of iron, the other fan blades 712 can not be adsorbed to the second magnetic block 720, when the iron fan blades 712 rotate to correspond to the position of the second magnetic block 720 under the action of water flow, the second magnetic block 720 moves towards one end close to the iron fan blades 712, meanwhile, the second spring 730 is compressed, the second magnetic block 720 moves in the coil 740 which forms a spiral shape, when the second magnetic block 720 is inserted into the coil 740, the magnetic flux passing through the coil 740 is increased, when the second magnetic block 720 passes out of the coil 740, the magnetic flux is reduced, so that the magnetic flux of the coil 740 is changed when the second electromagnetic block 720 moves in the spiral coil 740, induced current is generated, and when the two ends of the coil 740 and the control valve 4 form a closed circuit, the movement of the second magnetic block 720 can supply power for the telescopic rod 420, so that the telescopic rod 420 is controlled to move; when the iron fan blade 712 rotates to be staggered with the position of the second magnetic block 720 under the action of the water flow, the second electromagnetic block 720 returns to the original position under the action of the second spring 730, and the second electromagnetic block 720 cannot move the coil 740 until the next time before the iron fan blade 712 is adsorbed to the second magnetic block 720, that is, cannot supply power to the telescopic rod 420, so that the telescopic rod 420 is intermittently supplied with power according to the water flow speed, and water flow can intermittently flow out from different positions;
because the water velocity increases, the pressure of water outlet can also increase, the rivers impact force that feels in the oral cavity can become big, if wash for a long time in a position this moment, the cleaning performance can show the promotion, but can produce uncomfortable sense, can cause the soft tissue damage in the oral cavity if serious, consequently, under the bigger circumstances of rivers impact force, the switching frequency of water outflow water position can increase, thereby shorten the time of washing a position, reach intermittent type nature washing effect, when promoting security and travelling comfort, guarantee abluent dynamics and abluent effect, also prevent that the user from using inappropriately to cause the damage to the oral cavity, improve the use intelligence of scaler.
In one embodiment, the helical dimension of the coil 740 is determined by:
step 1, determining the range of the height, the inner ring diameter and the outer ring diameter of the spiral shape of the coil 740 according to the length and the diameter of the installation cavity 150;
step 2, determining a first optimization parameter ω of the size of the coil 740 according to the height of the spiral shape of the coil 740, the diameter of the inner ring and the diameter of the outer ring 1 And a second optimization parameter omega 2 ：
Wherein D is 1 、D 2 And H is an inner ring diameter, an outer ring diameter, and a height of the spiral shape of the coil 740, respectively;
step 3, according to the first optimization parameter omega 1 And a second optimization parameter omega 2 An equation for determining the helical dimensions of the coil 740 is established:
where τ is a size coefficient of the spiral shape of the coil 740, MIN is a minimum value, pi is a mathematical constant, ln is a logarithmic function based on the mathematical constant e;
step 4, determining a first optimization parameter omega when the size coefficient tau takes the minimum value by utilizing the equation established in the step 3 1 And a second optimization parameter omega 2 And calculating the diameter of the inner ring, the diameter of the outer ring and the height of the spiral shape of the coil 740 according to the formula in the step 2, namely, the optimal size of the coil 740.
The working principle and the beneficial effects of the technical scheme are as follows: since the copper wire is used as the conductor in the coil 740, when a current flows in the coil 740, a part of the current is consumed by the resistance of the copper wire, and the loss of the part is usually changed into heat to be consumed, so that the current passing through the control valve 4 is reduced, the loss is related to the size of the coil 740, in the embodiment, the coil 740 is spiral, in order to reduce the current consumed by the resistance of the copper wire to be small, the current passing through the control valve 4 is ensured, the spiral size of the coil 740 is determined by adopting the method, and the second magnetic block 720 can generate larger current when moving in the coil 740 by optimally designing the inner ring diameter, the outer ring diameter and the height of the coil 740 in the installation range, so that the current passing through the control valve 4 is increased, and the loss is reduced; when the size coefficient of the spiral shape of the coil 740 in step 3 takes the minimum value, it indicates that the size of the coil 740 determined in the limited size range is the optimal solution, so that the proportion of current loss can be reduced to the maximum extent, and the generated current can ensure that the control valve 4 can work normally, thereby ensuring the stability of switching the water outlet position of the tooth cleaner.
In one embodiment, the control valve further comprises a battery selectively connected with the controller 7 and the control valve 4 respectively;
when the battery is required to supply power to the control valve 4, the control valve 4 is disconnected from the controller 7, the battery is electrically connected with the control valve 4, and the controller 7 is electrically connected with the battery;
when the controller 7 is required to intermittently supply power to the control valve 4, the battery is disconnected from the controller 7 and the control valve 4, respectively, and the controller 7 and the control valve 4 are electrically connected.
The working principle and the beneficial effects of the technical scheme are as follows: when the controller 7 and the battery form a closed circuit, the electric energy generated by the controller 7 can be stored in the battery, the battery can continuously supply power to the control valve 4, and the control valve 4 and the battery can be connected through a key, so that the on-off of the battery and the control valve 4 can be controlled manually, and the work of the control valve 4 is controlled; the controller 7 is the principle of intermittent power supply of the control valve 4, that is, the above embodiments are not repeated here, and the battery does not store the electric energy generated by the controller 7, so that the present embodiment can provide diversity of use of the dental scaler, and the control valve 4 can be controlled manually besides by controlling the speed of the water flow.
In one embodiment, the piezoelectric portion 3 is a bimorph ceramic plate.
The working principle and the beneficial effects of the technical scheme are as follows: the double piezoelectric ceramic plates are formed by bonding two piezoelectric ceramics which stretch along the length direction, and are formed by flexible vibrators with one side stretching and the other side shrinking; a sinusoidal alternating current is applied to the double piezoelectric ceramic plates, so that the piezoelectric ceramic plates can stretch and contract in length with sinusoidal variation, and vibrating ultrasonic waves are emitted outwards, so that the vibrating rod body 2 generates ultrasonic vibration to wash teeth.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (2)
1. An ultrasonic prophy transducer comprising: the vibrating rod comprises a main rod body (1), wherein one end of the main rod body (1) is provided with a vibrating rod body (2), a piezoelectric part (3) for vibrating the vibrating rod body (2) is arranged at the joint of the vibrating rod body (2) and the main rod body (1), a first through hole (110) is arranged in the main rod body (1), and a water outlet hole communicated with the first through hole (110) is arranged in the vibrating rod body (2);
a control valve (4) for controlling the first through hole (110) to be selectively communicated with the water outlet is arranged in the main rod body (1);
the water outlet hole includes: the vibration rod comprises a main rod body (1), a first through hole (210) and a plurality of first through holes (220), wherein one end of the vibration rod body (2) far away from the main rod body (1) is provided with a contact end (5), the diameter of the contact end (5) gradually decreases towards the direction far away from the vibration rod body (2), the first through holes (210) are arranged on the axis of the vibration rod body (2) and extend to the end face close to the contact end (5), the plurality of first through holes (220) are circumferentially distributed on the outer side of the first through holes (210), and the first through holes (220) extend to a transition surface (6) formed by the contact end (5) and the vibration rod body (2);
a fourth through hole (120) communicated with the third through hole (220) is formed in the main rod body (1), a plurality of the fourth through holes (120) are circumferentially distributed on the outer side of the first through hole (110), one end, far away from the third through hole (220), of the fourth through hole (120) is provided with a control valve (4), and the control valve (4) is used for controlling the first through hole (110) to be selectively communicated with the second through hole (210) or be communicated with the third through hole (220);
the control valve (4) comprises: the movable block (410) and the telescopic rod (420), wherein an annular groove (130) is formed in the inner side wall of the first through hole (110), the annular groove (130) is communicated with the fourth through hole (120), a plurality of mounting grooves (140) are distributed on the outer side of the annular groove (130) along the circumferential direction of the annular groove, one end of the telescopic rod (420) is fixedly arranged in the mounting groove (140), the other end of the telescopic rod (420) extends into the annular groove (130), a movable block (410) connected with the telescopic rod (420) is arranged in the annular groove (130), a plurality of movable blocks (410) are mutually close to each other and can be used for blocking the first through hole (110), and a plurality of movable blocks (410) are mutually far away from each other and can be used for blocking the fourth through hole (120); a diversion surface (411) is arranged on one side of the movable block (410) opposite to the water flow direction, and a diversion trench corresponding to the fourth through hole (120) is arranged on the diversion surface (411);
the telescopic rod (420) comprises: the connecting rod (421), one end of the connecting rod (421) is connected with the movable block (410), a first magnetic block (422) is arranged at the other end of the connecting rod (421), the first magnetic block (422) is slidably arranged in the mounting groove (140), an electromagnetic block (423) is arranged at the bottom of the mounting groove (140), and a first spring (424) is arranged between the first magnetic block (422) and the electromagnetic block (423);
the control valve also comprises a battery, wherein the battery supplies power for the control valve (4).
2. The ultrasonic dental sealer transducer according to claim 1, characterized in that the piezoelectric part (3) is a bimorph ceramic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210606903.9A CN114903631B (en) | 2022-05-31 | 2022-05-31 | Ultrasonic tooth cleaner transducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210606903.9A CN114903631B (en) | 2022-05-31 | 2022-05-31 | Ultrasonic tooth cleaner transducer |
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| CN114903631A CN114903631A (en) | 2022-08-16 |
| CN114903631B true CN114903631B (en) | 2023-09-12 |
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| CN202210606903.9A Active CN114903631B (en) | 2022-05-31 | 2022-05-31 | Ultrasonic tooth cleaner transducer |
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|---|---|
| CN114903631A (en) | 2022-08-16 |
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