CN117220466A - Acoustic wave motor capable of longitudinally and linearly moving - Google Patents
Acoustic wave motor capable of longitudinally and linearly moving Download PDFInfo
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- CN117220466A CN117220466A CN202311233052.9A CN202311233052A CN117220466A CN 117220466 A CN117220466 A CN 117220466A CN 202311233052 A CN202311233052 A CN 202311233052A CN 117220466 A CN117220466 A CN 117220466A
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- shaft body
- shell
- permanent magnet
- longitudinally
- body piece
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- 230000033001 locomotion Effects 0.000 claims abstract description 39
- 238000004804 winding Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000005389 magnetism Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The invention relates to a sound wave motor capable of longitudinally and linearly moving, which comprises a shell, a permanent magnet positioned in the shell and an annular coil arranged at intervals with the permanent magnet; the toothbrush comprises a shell, a permanent magnet, a shaft body piece and an elastic piece, wherein the shaft body piece is connected with the shell in a reciprocating motion mode through the permanent magnet, the shaft body piece protrudes out of the shell and is used for being connected with an external toothbrush head, and the elastic piece is positioned between the shaft body piece and the shell; when the annular coil is electrified, the coil generates N poles, S poles of the permanent magnets are adsorbed and N poles of the permanent magnets are repelled, so that the shaft body part is driven to longitudinally move, when the coil is deenergized, the shaft body part is longitudinally reset and moved only under the action of the elastic force of the elastic part, and the longitudinal linear reciprocating motion of the shaft body part can be realized by controlling the annular coil to be electrified and deenergized; the two bipolar permanent magnets are arranged, so that two sides of the shaft body piece can be simultaneously subjected to two groups of forces which are the same in size and balanced left and right, the rolling of the shaft body piece can be limited, the stability of the axial direction expansion of the shaft body piece can be ensured, and the two longitudinal reset springs can play roles of auxiliary positioning and buffering.
Description
Technical Field
The invention relates to the technical field of electric toothbrushes, and particularly discloses a sound wave motor capable of longitudinally and linearly moving.
Background
Most of the electric toothbrush motors on the market at present swing left and right, and the brushing habit of many consumers is to brush teeth by using a toothbrush to longitudinally move, and users even doubt about cleaning effect when brushing teeth by using the electric toothbrush; to this, there are few electric toothbrushes on the market to begin changing the toothbrush vibration mode into rectilinear motion, but most are through setting up the power that conversion mechanism comes with motor rotation to linear motion's power in the middle, and conversion mechanism can lose mechanical energy during electric toothbrush operation, causes cleaning effect unobvious, and this kind of mode structure is complicated moreover, and it is inconvenient to maintain that the trouble breaks down, and user experience is not good.
Disclosure of Invention
In order to overcome the disadvantages and shortcomings of the prior art, it is an object of the present invention to provide a linear acoustic motor that moves longitudinally. In order to achieve the above purpose, the acoustic wave motor of the invention comprises a shell, a permanent magnet positioned in the shell and an annular coil matched with the permanent magnet for use;
the sound wave motor with the longitudinal linear motion further comprises a shaft body piece, a first reset spring, a second reset spring, a first bearing and a second bearing, wherein the shaft body piece is connected with the shell in a reciprocating motion mode through the permanent magnet, the first bearing and the second bearing, the shaft body piece protrudes out of the shell and is used for being connected with an external toothbrush head, the first reset spring and the second reset spring are respectively positioned at two longitudinal ends of the permanent magnet, and the annular coil is fixed inside the shell;
the annular coil is electrified to generate magnetism to be matched with the permanent magnet for use, so that the permanent magnet drives the shaft body piece to longitudinally move relative to the shell: the annular coil is powered off and loses magnetism, and the shaft body piece longitudinally resets and moves relative to the shell under the action of the elastic force of the elastic piece.
Further, the longitudinal linear motion acoustic motor further comprises a winding bracket, the annular coil is arranged around the winding bracket, the winding bracket is fixedly arranged on the shell, and the permanent magnet and the winding bracket are arranged at intervals.
Further, the permanent magnet is long strip, the permanent magnet extends along the longitudinal direction of the shaft body relative to the shell, the direction from the N pole to the S pole of the permanent magnet is parallel to the longitudinal direction of the shaft body relative to the shell, and the direction from the N pole to the S pole of the permanent magnet is perpendicular to the direction from the N pole to the S pole of the annular coil.
Further, the permanent magnet comprises a first magnet and a second magnet, the shaft body piece is located between the first magnet and the second magnet, the shaft body piece is fixedly connected with the first magnet and the second magnet, and like magnetic poles of the first magnet and the second magnet are symmetrically arranged relative to the central axis of the shaft body piece.
Further, the sound wave motor with the longitudinal linear motion further comprises a transmission bracket, the transmission bracket is positioned between the first magnet and the second magnet, and the shaft body piece is fixedly connected with the permanent magnet through the transmission bracket.
Further, the shell is provided with a first end cover and a second end cover, and the first end cover and the second end cover are respectively covered at two ends of the shell; the winding support is fixed in the inside of casing via first end cover and second end cover, and axis body spare reciprocating motion sets up on first end cover and second end cover, and the one end of axis body spare is outside to the casing through first end cover protrusion, and the other end of axis body spare is located the second end cover.
Further, the second end cover is provided with a locating piece, the locating piece is provided with a sliding hole, the sliding hole extends along the moving direction of the shaft body piece relative to the shell, and the shaft body piece is slidingly accommodated in the sliding hole.
Further, the annular coil is electrified to generate magnetism to be matched with the permanent magnet, so that the permanent magnet drives the shaft body piece to move longitudinally relative to the shell towards the direction of the second end cover.
Preferably, the first bearing and the second bearing are both axial bearings, and the inner walls of the first bearing and the second bearing are both provided with double rows of balls.
Preferably, the axial displacement distance of the shaft body part relative to the shell is between 0.5mm and 5 mm.
The invention has the beneficial effects that: according to the invention, two bipolar strong magnets are arranged in parallel on the surface of the annular coil, the two strong magnets are fixedly connected with the shaft body part, and the two longitudinal ends of the strong magnets on the shaft body part are provided with reset springs; when the coil is electrified, the coil generates magnetic force, as the magnetic fields repel each other and attract each other, when the coil is fixed, the two strong magnets are attracted by the magnetic field to drive the shaft body to move longitudinally, when the coil is deenergized, the electromagnetic field of the coil disappears, the shaft body is only influenced by the spring force to reset and move longitudinally, and the longitudinal linear reciprocating motion of the shaft body can be realized by controlling the on-off power of the annular coil; the two bipolar strong magnets can maximally enable the shaft body to achieve the effect of balancing vibration, the left-right swing or rotation of the shaft body can be limited by adding the positioning column, the effect of parallel longitudinal movement is achieved, and the two reset springs are arranged to play a role in buffering and orienting the shaft body.
Drawings
FIG. 1 is a schematic diagram of a split structure of a longitudinally linear motion acoustic motor of the present invention;
FIG. 2 is a front view of a longitudinally linear motion acoustic motor of the present invention;
FIG. 3 is a schematic view showing the structure of the toroidal coil and the permanent magnet of the present invention;
FIG. 4 is a schematic view of the internal structure of a longitudinally linear motion acoustic motor according to the present invention;
FIG. 5 is a cross-sectional view of a longitudinally linear motion acoustic motor of the present invention;
FIG. 6 is a partial structural view of a longitudinally linear motion acoustic motor of the present invention;
FIG. 7 is a schematic diagram of a second end cap structure of a longitudinally linear motion acoustic motor according to the present invention;
FIG. 8 is a partially cut-away, contrasting schematic illustration of two operating conditions of a dynamic longitudinal linear motion acoustic motor of the present invention;
fig. 9 is a schematic view of an axial bearing shaft and a partially cut double row steel ball of the present invention.
The reference numerals include:
1-shell 2-permanent magnet 3-annular coil
4-shaft body 6-transmission support 7-first bearing
8-second bearing 9-ball
11-first end cap 12-second end cap 13-positioning element
14-slide hole 15-connecting hole
21-first magnet 22-second magnet 31-winding support
501-first return spring 502-second return spring
601-first limit groove 602-second limit groove 121-third limit groove
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Referring to fig. 1 to 9, an acoustic wave motor of the present invention includes a housing 1, a permanent magnet 2 disposed in the housing 1, and a ring coil 3 cooperating with the permanent magnet 2; the method is characterized in that:
the acoustic motor with the longitudinal linear motion further comprises a shaft body piece 4, a first reset spring 501, a second reset spring 502, a first bearing 7 and a second bearing 8, wherein the shaft body piece 4 is connected with the shell 1 in a reciprocating motion manner through the permanent magnet 2, the first bearing 7 and the second bearing 8, the shaft body piece 4 protrudes out of the shell 1 and is used for being connected with an external toothbrush head, the first reset spring 501 and the second reset spring 502 are respectively positioned at two longitudinal ends of the permanent magnet 2, and the annular coil 3 is fixed inside the shell 1;
the annular coil 3 is electrified to generate magnetism to be matched with the permanent magnet 2 for use, so that the permanent magnet 2 drives the shaft body piece 4 to longitudinally move relative to the shell 1: the annular coil 3 loses magnetism after power failure, and the shaft body part 4 longitudinally resets and moves relative to the shell 1 only under the action of the elastic force of the elastic part.
In actual use, the toothbrush head is arranged on the shaft body piece 4, the annular coil 3 is electrified as shown in fig. 8b, the electrified annular coil 3 generates N poles close to one end of the permanent magnet 2, suction force F3 is generated on the S poles of the permanent magnet 2, repulsive force F4 is generated on the N poles of the permanent magnet 2, and the permanent magnet 2 is forced to drive the shaft body piece 4 to longitudinally move downwards by 1mm; the two longitudinal ends of the permanent magnet 2 on the shaft body 4 are provided with a first reset spring 501 and a second reset spring 502, and as shown in fig. 6 and 8, the first reset spring 501 always applies a longitudinal downward thrust force F1 to the shaft body 4, and the second reset spring 502 always applies a longitudinal upward thrust force F2 to the shaft body 4; when the annular coil 3 is powered off, the shaft body 4 is longitudinally reset upwards by 1mm by means of the elastic force F2 of the second reset spring 502, and the annular coil 3 is continuously powered on and off to realize the longitudinal linear reciprocating motion of the shaft body 4;
in this embodiment, the casing is made for the aluminum material, because annular coil 3 circular telegram can produce the heat, in addition the friction casing that the straight line reciprocating motion of axis body spare 4 also can produce the heat, and the casing of aluminium has good heat conductivity, can be fine gives off unnecessary heat, prevents that electric toothbrush from sending out to scald and influence user experience, in addition because aluminium is non-magnetic conduction material, can also avoid electric toothbrush outer wall adsorption magnetic substance to influence user experience when using and feel.
Specifically, the longitudinal linear motion acoustic wave motor further comprises a winding bracket 31, the annular coil 3 is arranged around the winding bracket 31, the winding bracket 31 is fixedly arranged on the shell 1, and the permanent magnet 2 and the winding bracket 31 are arranged at intervals; in this embodiment, the winding support 31 is made of an insulating material, the annular coil 3 is a winding of a copper enameled wire, and the reset of the reset spring is not affected by magnetic conduction when the power is off, if the winding support 31 is made of a magnetic conduction material, the shaft body 4 receives attractive force from two strong magnets when the power of the annular coil 3 is off, and the reset of the reset spring is affected.
Specifically, the permanent magnet 2 is in a long strip shape, the permanent magnet 2 longitudinally extends along the moving direction of the shaft body 4 relative to the housing 1, the direction from the N pole to the S pole of the permanent magnet 2 is parallel to the moving direction of the shaft body 4 relative to the housing 1, and the direction from the N pole to the S pole of the permanent magnet 2 is perpendicular to the direction from the N pole to the S pole of the annular coil 3.
Specifically, the permanent magnet 2 includes a first magnet 21 and a second magnet 22, the shaft body 4 is located between the first magnet 21 and the second magnet 22, the shaft body 4 is fixedly connected with the first magnet 21 and the second magnet 22, like poles of the first magnet 21 and the second magnet 22 are symmetrically arranged relative to the shaft body 4, that is, when the upper ends of the first magnet 21 and the second magnet 22 in the longitudinal direction are both S poles, the lower ends of the first magnet 21 and the second magnet 22 in the longitudinal direction are both N poles, and the first magnet 21 and the second magnet 22 are aligned horizontally in the same size and length;
when the annular coil 3 is electrified, one end close to the permanent magnet 2 is N-pole, and as the like poles repel each other and the like poles attract each other, the N-pole of the annular coil 3 can adsorb the S-pole of the permanent magnet 2 and repel the N-pole of the permanent magnet 2 at the same time, so that the shaft body 4 is driven to longitudinally move; in this embodiment, the number of the permanent magnets 2 is two, so that the two groups of forces with the same magnitude and balanced left and right are applied to two sides of the central shaft of the shaft body 4, rolling of the shaft body 4 can be reduced, and stability of telescopic displacement of the shaft body 4 in the axial direction can be improved.
Specifically, the permanent magnet device further comprises a transmission bracket 6, wherein the transmission bracket 6 is positioned between the first magnet 21 and the second magnet 22, and the shaft body piece 4 is fixedly connected with the permanent magnet 2 through the transmission bracket 6; in the embodiment, the center of the transmission bracket 6 is provided with an opening, the shaft body part 4 penetrates through the transmission bracket 6, the side wall of the transmission bracket 6 is provided with a groove for accommodating two rectangular strong magnets, and compared with the mode that the two strong magnets are directly connected with the shaft body part 4, the transmission bracket is simple in manufacture, can effectively position the two strong magnets, and is convenient to disassemble and remarkable in effect;
in this embodiment, the driving support 6 adopts a mode of two-shot injection molding, which can change the structure of the driving support 6 and increase the functionality of the product, on one hand: through the secondary injection molding, can form hollow structure in the inside of drive support 6 to change its vibration frequency, avoid producing resonance with permanent magnet 2, thereby reach the effect of damping, on the other hand: the secondary injection molding can form a layer of elastic material on the surface of the transmission bracket 6, and when sound impinges on the surface of the transmission bracket 6, the layer of elastic material can absorb and disperse the energy of the sound, thereby reducing noise.
Specifically, the housing 1 has a first end cover 11 and a second end cover 12, and the first end cover 11 and the second end cover 12 are respectively covered at two ends of the housing 1; the winding bracket 31 is fixed inside the housing 1 via the first end cover 11 and the second end cover 12, the shaft body 4 is reciprocally disposed on the first end cover 11 and the second end cover 12, one end of the shaft body 4 protrudes outside the housing 1 via the first end cover 11, and the other end of the shaft body 4 is located inside the second end cover 12; in this embodiment, in consideration of the use environment of the electric toothbrush, a soft silica gel collar (not shown in the drawings) is provided at the connection part of the first end cover 11 and the second end cover 12 with the housing 1, so as to improve the tightness between the housing and the internal components, and achieve the waterproof effect.
Specifically, the second end cover 12 is provided with a positioning piece 13, the positioning piece 13 is provided with a sliding hole 14, the sliding hole 14 is arranged along the moving direction of the shaft body piece 4 relative to the shell 1, and the shaft body piece 4 is slidingly accommodated in the sliding hole 14; in this embodiment, the tail portion of the shaft body 4 (the end of the shaft body, which is close to the second end cover, is defined as the tail portion in this embodiment) has at least one plane, the embodiment is configured as two planes, the inner wall of the sliding hole 14 is provided with corresponding positions and numbers of planes, and by means of the interference between the planes of the tail portion of the shaft body 4 and the planes of the inner wall of the sliding hole, the rolling restriction of the shaft body 4 is realized, and only the longitudinal movement of the shaft body 4 is allowed; so as to prevent the cleaning effect from being influenced by the rotation of the brush head when a user brushes teeth by using the electric toothbrush;
according to practical situations, the sliding hole 14 and the shaft body 4 can also adopt a concave-convex matching mode, so as to achieve the effect of preventing rotation; or, in actual manufacturing, a groove or a hole site can be formed at the tail of the shaft body part 4, and the positioning part 13 is slidably accommodated in the groove or the hole site of the shaft body part 4, so that the same effect can be achieved.
In this embodiment, one end of the shaft member 4 is axially slidably connected to the first end cap 11 via the first bearing 7, and the other end of the shaft member 4 is axially slidably connected to the second end cap 12 via the second bearing 8; because the shaft body 4 moves longitudinally and linearly, as shown in fig. 9, double rows of balls 9 are arranged in both axial bearings so as to increase the axial movement stability of the shaft body 4, in this embodiment, the balls are stainless steel balls, and other materials can be adopted according to different use conditions.
In this embodiment, a silicone collar (not shown in the drawings) is disposed at the joint between the two axial bearings and the two end caps, and when the waterproof device is specifically used, the waterproof device can also waterproof in other manners without affecting the longitudinal reciprocation of the shaft body 4.
In this embodiment, a first limit groove 601 is disposed at one end of the transmission support 6 near the second bearing 7, one end of the first return spring 501 is accommodated in the first limit groove 601, the other end of the first return spring abuts against the first bearing 7, the second return spring 502 is sleeved on the positioning member 13 and is tightly attached to the outer wall of the positioning member 13, a second limit groove 602 is disposed at one end of the transmission support 6 far away from the toothbrush head, a third limit groove 121 is disposed on the second end cover 12, and two ends of the second return spring 502 are respectively accommodated in the second limit groove 602 and the third limit groove 121;
in actual manufacturing, the second return spring 502 can also be installed inside the positioning piece 13, but the positioning piece 13 can be worn after long-time use, and the positioning effect is affected, so the second return spring 502 in the embodiment is sleeved on the positioning piece 13, thereby not only ensuring the buffering return effect of the second return spring 502, but also assisting in positioning the spring by means of the positioning piece 13; in this embodiment, the function of the spring limiting groove is designed to avoid radial rolling of the spring, and other modes can be selected to implement radial rolling limitation of the return spring according to practical situations.
Specifically, the axial displacement distance of the shaft body 4 relative to the housing 1 is between 0.5mm and 5 mm; in order to ensure the user experience and the tooth brushing effect, the axial moving distance of the shaft body 4 is set to be 1mm in the embodiment, and the axial moving distance of the shaft body 4 can be changed by changing the pitch of the reset spring according to the actual use condition.
In this embodiment, the second end cap 12 is provided with a connection hole 15, and the annular coil 3 is electrically connected to an external power supply through the connection hole 15; in this embodiment, the connection holes 14 are two circular through holes, the two through holes are arranged at intervals, two ends of the annular coil 3 respectively pass through the two through holes to be connected with the positive and negative poles of an external power supply, two ends of the annular coil 3 are connected with the positive and negative poles of the power supply through the two connection holes and then sealed by using waterproof insulating adhesive tapes,
according to actual conditions, the battery can be placed in the shell, the battery is powered through a magnetic attraction mode and the like, the two through holes are arranged at intervals to facilitate distinguishing between the positive electrode and the negative electrode of the power supply so as to control the current flow direction of the annular coil 3, thereby controlling the magnetic pole direction of the annular coil 3, and according to actual conditions, one through hole can be arranged to separate the two ends of the annular coil 3.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (10)
1. A sound wave motor capable of moving longitudinally and linearly comprises a shell (1), a permanent magnet (2) positioned in the shell (1) and an annular coil (3) matched with the permanent magnet (2); the method is characterized in that:
the sound wave motor capable of longitudinally and linearly moving further comprises a shaft body piece (4), a first reset spring (501), a second reset spring (502), a first bearing (7) and a second bearing (8), wherein the shaft body piece (4) is connected with the shell (1) in a reciprocating motion mode through the permanent magnet (2), the first bearing (7) and the second bearing (8), the shaft body piece (4) protrudes out of the shell (1) and is used for being connected with an external toothbrush head, and the first reset spring (501) and the second reset spring (502) are respectively located at two longitudinal ends of the permanent magnet (2), and the annular coil (3) is fixed inside the shell (1);
the annular coil (3) is electrified to generate magnetism to be matched with the permanent magnet (2) for use, so that the permanent magnet (2) drives the shaft body piece (4) to longitudinally move relative to the shell (1): the annular coil (3) loses magnetism when power is off, and the shaft body part (4) longitudinally resets and moves relative to the shell (1) under the action of the elastic force of the elastic part.
2. A longitudinally linear motion acoustic motor according to claim 1, wherein: the longitudinal linear motion acoustic motor further comprises a winding bracket (31), the annular coil (3) is arranged around the winding bracket (31), the winding bracket (31) is fixedly arranged on the shell (1), and the permanent magnet (2) and the winding bracket (31) are arranged at intervals.
3. A longitudinally linear motion acoustic motor according to claim 1, wherein: the permanent magnet (2) is rectangular form, and permanent magnet (2) extend along the longitudinal direction of relative casing (1) of axis body spare (4) and set up, and the direction of permanent magnet (2) from N utmost point to S utmost point is parallel with the longitudinal movement direction of relative casing (1) of axis body spare (4), and the direction of permanent magnet (2) from N utmost point to S utmost point is perpendicular with the direction of annular coil (3) from N utmost point to S utmost point.
4. A longitudinally linear motion acoustic motor according to claim 1, wherein: the permanent magnet (2) comprises a first magnet (21) and a second magnet (22), the shaft body piece (4) is located between the first magnet (21) and the second magnet (22), the shaft body piece (4) is fixedly connected with the first magnet (21) and the second magnet (22), and like magnetic poles of the first magnet (21) and the second magnet (22) are symmetrically arranged relative to the central axis of the shaft body piece (4).
5. The longitudinally linear motion acoustic motor of claim 4, wherein: the sound wave motor with the longitudinal linear motion further comprises a transmission bracket (6), the transmission bracket (6) is positioned between the first magnet (21) and the second magnet (22), and the shaft body piece (4) is fixedly connected with the permanent magnet (2) through the transmission bracket (6).
6. A longitudinally linear motion acoustic motor according to claim 2, wherein: the shell (1) is provided with a first end cover (11) and a second end cover (12), and the first end cover (11) and the second end cover (12) are respectively covered at two ends of the shell (1); the winding support (31) is fixedly arranged in the shell (1), the shaft body piece (4) is longitudinally arranged on the first end cover (11) and the second end cover (12) in a reciprocating mode, one end of the shaft body piece (4) protrudes out of the shell (1) through the first end cover (11), and the other end of the shaft body piece (4) is located in the second end cover (12).
7. A longitudinally linear motion acoustic motor according to claim 6, wherein: the second end cover (12) is provided with a positioning piece (13), the positioning piece (13) is provided with a sliding hole (14), the sliding hole (14) is arranged along the longitudinal moving direction of the shaft body piece (4) relative to the shell (1) in an extending mode, and the shaft body piece (4) is accommodated in the sliding hole (14) in a sliding mode.
8. A longitudinally linear motion acoustic motor according to claim 6, wherein: the annular coil (3) is electrified to generate magnetism to be matched with the permanent magnet (2) for use, so that the permanent magnet (2) drives the shaft body piece (4) to longitudinally move towards the second end cover (12) relative to the shell (1).
9. A longitudinally linear motion acoustic motor according to claim 1, wherein: the first bearing (7) and the second bearing (8) are both axial bearings, and double rows of balls (9) are arranged on the inner walls of the first bearing (7) and the second bearing (8).
10. A longitudinally linear motion acoustic motor according to claim 1, wherein: the axial movement distance of the shaft body piece (4) relative to the shell (1) is between 0.5mm and 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233052.9A CN117220466A (en) | 2023-09-22 | 2023-09-22 | Acoustic wave motor capable of longitudinally and linearly moving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311233052.9A CN117220466A (en) | 2023-09-22 | 2023-09-22 | Acoustic wave motor capable of longitudinally and linearly moving |
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| Publication Number | Publication Date |
|---|---|
| CN117220466A true CN117220466A (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311233052.9A Pending CN117220466A (en) | 2023-09-22 | 2023-09-22 | Acoustic wave motor capable of longitudinally and linearly moving |
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| CN (1) | CN117220466A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB838564A (en) * | 1957-12-31 | 1960-06-22 | Aesup Of Vaduz | Improvements in and relating to an electrically controlled tooth-brush |
| CN1346171A (en) * | 2000-09-29 | 2002-04-24 | 松下电工株式会社 | Linear vibrator |
| US20070040457A1 (en) * | 2003-05-16 | 2007-02-22 | Matsushita Electric Works, Ltd. | Reciprocation type linear driving actuator and power toothbrush using the same |
| US20090243405A1 (en) * | 2006-11-16 | 2009-10-01 | Ming Luo | Electric reciprocating motion device with spring motor |
| CN201956868U (en) * | 2010-06-07 | 2011-08-31 | 王平 | Tripolar permanent magnet reciprocating motor |
| US20160094115A1 (en) * | 2014-09-30 | 2016-03-31 | Mitsumi Electric Co., Ltd. | Linear actuator, electric brush, electric cutting machine and electric air pump |
| US20170100224A1 (en) * | 2014-06-17 | 2017-04-13 | Koninklijke Philips N.V. | Drive system for personal-care appliance and method of operation thereof |
| CN207200551U (en) * | 2017-07-12 | 2018-04-06 | 余祖彪 | Acoustic vibration motor and there is its acoustic toothbrush and face cleaning instrument |
-
2023
- 2023-09-22 CN CN202311233052.9A patent/CN117220466A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB838564A (en) * | 1957-12-31 | 1960-06-22 | Aesup Of Vaduz | Improvements in and relating to an electrically controlled tooth-brush |
| CN1346171A (en) * | 2000-09-29 | 2002-04-24 | 松下电工株式会社 | Linear vibrator |
| US20070040457A1 (en) * | 2003-05-16 | 2007-02-22 | Matsushita Electric Works, Ltd. | Reciprocation type linear driving actuator and power toothbrush using the same |
| US20090243405A1 (en) * | 2006-11-16 | 2009-10-01 | Ming Luo | Electric reciprocating motion device with spring motor |
| CN201956868U (en) * | 2010-06-07 | 2011-08-31 | 王平 | Tripolar permanent magnet reciprocating motor |
| US20170100224A1 (en) * | 2014-06-17 | 2017-04-13 | Koninklijke Philips N.V. | Drive system for personal-care appliance and method of operation thereof |
| US20160094115A1 (en) * | 2014-09-30 | 2016-03-31 | Mitsumi Electric Co., Ltd. | Linear actuator, electric brush, electric cutting machine and electric air pump |
| CN207200551U (en) * | 2017-07-12 | 2018-04-06 | 余祖彪 | Acoustic vibration motor and there is its acoustic toothbrush and face cleaning instrument |
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