CN108443304A - A kind of rotation drive machine, electric product, pneumatic product and electric toothbrush - Google Patents
A kind of rotation drive machine, electric product, pneumatic product and electric toothbrush Download PDFInfo
- Publication number
- CN108443304A CN108443304A CN201810600421.6A CN201810600421A CN108443304A CN 108443304 A CN108443304 A CN 108443304A CN 201810600421 A CN201810600421 A CN 201810600421A CN 108443304 A CN108443304 A CN 108443304A
- Authority
- CN
- China
- Prior art keywords
- spring
- rotary shaft
- transmission shaft
- electric
- product
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
- F16C1/06—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
-
- 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
- A61C17/24—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously
- A61C17/26—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like rotating continuously driven by electric motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
- F16C1/08—End connections
Abstract
The present invention provides a kind of rotation drive machine, electric product, pneumatic product and electric toothbrushes, belong to field of mechanical technique.It solves the problems, such as that existing rotation drive machine will produce loud noise when transmitting high speed rotation vibration motion and influence user experience.This rotation drive machine, including transmission shaft and rotary shaft, which is characterized in that connected by spring transmission between the rotary shaft and transmission shaft.Transmission shaft with power source for being connected, and rotary shaft is connected with revolving part, and the axial rotation of transmission shaft is only passed to rotary shaft by the technical program by spring, and simple in structure to drive rotary shaft to be rotated, fit clearance is few, and noise is small.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of rotation drive machine, especially a kind of rotation drive machine, electricity
Movable property product, pneumatic product and electric toothbrush.
Background technology
Electric toothbrush at present due to rotational head rotary axis direction and power toothbrush handle transmission shaft direction of rotation not
Unanimously, it needs to design multiple driving parts to realize the change of the direction of motion, and in the fit clearance such as Fig. 1 between multiple parts
A, shown in B, C, D so that will produce loud noise when transmitting high speed rotation vibration motion, seriously affect user experience.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of rotation drive machine, electronic
Product, pneumatic product and electric toothbrush, the technical problem to be solved is that the biographies how made between transmission shaft and rotary shaft for it
Dynamic structure is simpler, and noise smaller.
Object of the invention can be realized by the following technical scheme：A kind of rotation drive machine, including transmission shaft and rotation
Shaft, which is characterized in that connected by spring transmission between the rotary shaft and transmission shaft.
For being connected with power source, rotary shaft is connected transmission shaft with revolving part, and the technical program will be only driven by spring
The axial rotation of axis passes to rotary shaft, and simple in structure to drive rotary shaft to be rotated, fit clearance is few, and noise is small.
A kind of electric product, which is characterized in that the electric product is electric toothbrush or electronic face washer or electric hair
Trimmer or electric screw driver or Electric drill-bit or Electric grinder or electric mixer, the electric product include passing through spring
One end of the transmission shaft and rotary shaft of drive connection, the spring is connected with transmission shaft fastening, the other end and rotary shaft of spring
Fastening is connected.
A kind of pneumatic product, which is characterized in that the pneumatic product is pneumatic screw driver or pneumatic drill bit or pneumatic polishing
Device, the pneumatic product include the transmission shaft connected by spring transmission and rotary shaft, and one end of the spring and transmission shaft are tight
Solid phase connects, and the other end of spring is connected with rotary shaft fastening.
A kind of electric toothbrush, including brush head and transmission shaft, the brush head have rotary shaft, which is characterized in that the rotation
It is connected by spring transmission between axis and transmission shaft.
Rotary shaft is connect with transmission shaft by spring transmission by the technical program, is only had at rotary shaft and transmission shaft two
It is driven fit clearance, while promoting transmission efficiency, due to reducing transmission parts, most fit clearances is eliminated, shakes
Noise is reduced.
In above-mentioned electric toothbrush, one end of the spring is fixedly connected on the end face of transmission shaft, spring it is another
End is fixedly connected on the end face of rotary shaft.
In above-mentioned electric toothbrush, the relationship between the axial direction of the rotary shaft and the axial direction of transmission shaft is parallel offset
It is coplanar in angle or three-dimensional angle not in approximately the same plane.
In above-mentioned electric toothbrush, the spring is set as three-dimensional curve.
In above-mentioned electric toothbrush, the spring is close winding spring.Close winding spring is easily deformable but can transmit axial
Rotation.
In above-mentioned electric toothbrush, the electric toothbrush further includes brush handle and motor, and the rotary shaft is rotatably connected on
On brush handle, the transmission shaft is connected to the motor, and the spring is built in brush handle.
In above-mentioned electric toothbrush, there is the accommodating cavity interted for spring, the folding of the spring in the brush handle inner cavity
Bearing is arranged on turn of bilge, the bearing is connected in accommodating cavity.Bearing for being limited to spring, both avoided spring into
Position offset occurs when row axial rotation is transmitted and influences transmission efficiency, while can avoid spring in rotation due to shaking again
It moves and taps onto the wall surface of accommodating cavity, reduce noise.
Compared with prior art, the present invention has the following advantages that：
1, the axial rotation of transmission shaft is passed to rotary shaft by it by spring, to drive rotary shaft to be rotated, knot
Structure is simple, reduces part and assembly difficulty and time cost；
2, it can significantly reduce or avoid many places fit clearance inside the complicated transmission chain in traditional design, can be significantly
Noise is reduced, the product or occasion of various changes rotating shaft direction are suitable for.
3, it is applicable not only to electric toothbrush, is also applied for the product or occasion of various changes rotating shaft direction.
Description of the drawings
Fig. 1 is the prior art construction schematic diagram of the present invention.
Fig. 2 is the structure principle chart of the present invention.
Fig. 3 is one structural schematic diagram of the embodiment of the present invention.
Fig. 4 is two structural schematic diagram of the embodiment of the present invention.
Fig. 5 is three structural schematic diagram of the embodiment of the present invention.
Fig. 6 is four structural schematic diagram of the embodiment of the present invention.
In figure, 1, transmission shaft；2, rotary shaft；3, spring；4, brush head；5, brush handle；6, motor；7, accommodating cavity；8, bearing.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
The invention discloses a kind of rotation drive machine, including transmission shaft 1 and rotary shaft 2, rotary shaft 2 and transmission shaft 1 it
Between be sequentially connected by spring 3, one end of spring 3 is connected with the fastening of transmission shaft 1, the other end and rotary shaft 2 the fastening phase of spring 3
Even.This structure is suitable for the product or occasion of various changes rotating shaft direction, and concrete structure can be following electric toothbrush.
Embodiment one：
With reference to Fig. 2 and Fig. 3, present embodiment discloses a kind of progressive rotation type electric toothbrush, including brush head 4, transmission shaft 1,
There is rotary shaft 2, rotary shaft 2 to be rotatably connected on brush handle 5 for brush handle 5 and motor 6, brush head 4, and transmission shaft 1 is the output of motor 6
Axis is sequentially connected between rotary shaft 2 and transmission shaft 1 by spring 3, has the accommodating cavity 7 interted for spring 3 in 5 inner cavity of brush handle,
Specific connection type, which can be one end end of spring 3, can be embedded and be connected on the end face of transmission shaft 1, the other end of spring 3
End is embedded and is connected on the end face of rotary shaft 2 or one end end of spring 3 is bolted connection in transmission shaft
On 1 end face, the other end end of spring 3 is bolted connection on the end face of rotary shaft 2.
Relationship between the axial direction and the axial direction of transmission shaft 1 of rotary shaft 2 in the present embodiment one is coplanar angle, folder
Angle angle is more than 0 °, and is less than 180 °, i.e., rotary shaft 2 is tilted or is vertically arranged with transmission shaft 1.
Spring 3 in the present embodiment one is close winding spring, and close winding spring is easily deformable but can transmit axial rotation.This reality
The wire diameter of the spring 3 in example one and ranging from 1 n≤2 ＜ of pitch ratio n are applied, preferably n is 1.2~1.6, further excellent
It is selected as 1.5.
Embodiment two：
With reference to Fig. 4, the structure and embodiment one of the present embodiment two are essentially identical, the difference lies in that the axial direction of rotary shaft 2 and
Relationship between the axial direction of transmission shaft 1 is parallel offset, i.e. the axial direction of rotary shaft 2 and transmission shaft 1 is axially located same plane
On, and the two is mutually parallel.
Embodiment three：
With reference to Fig. 5, the structure and embodiment one of the present embodiment three are essentially identical, the difference lies in that the axial direction of rotary shaft 2 and
Relationship between the axial direction of transmission shaft 1 is the three-dimensional angle not in approximately the same plane, and spring 3 is in complicated three-dimensional curve shape
Formula.
Example IV：
With reference to Fig. 6, the structure and embodiment one of the present embodiment two are essentially identical, the difference lies in that in the present embodiment two
Bearing 8 is arranged on the bending part of spring 3, bearing 8 is connected in accommodating cavity 7.The bending part of spring 3 is connected in 8 inner ring of bearing
Internal face on, realize limit while, additionally it is possible to so that 3 number of turns of spring at bending part both ends will not change, ensure
The stability that transmission efficiency and axial rotation are transmitted, it is ensured that brush head is not in sometimes fast and sometimes slow phenomenon.
The present invention is applicable not only to electric toothbrush, is also applied for the product or occasion of various changes rotating shaft direction, such as electricity
Dynamic face washer, electric hair trimmer, electric/pneumatic screwdriver, electric/pneumatic drill bit, electric/pneumatic sander and electric mixing
Device is mixed,
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of rotation drive machine, including transmission shaft (1) and rotary shaft (2), which is characterized in that the rotary shaft (2) and biography
It is sequentially connected by spring (3) between moving axis (1).
2. a kind of electric product, which is characterized in that the electric product is that electric toothbrush or electronic face washer or electric hair are repaiied
Device or electric screw driver or Electric drill-bit or Electric grinder or electric mixer are cut, the electric product includes passing through spring
(3) one end of the transmission shaft (1) and rotary shaft (2) being sequentially connected, the spring (3) is connected with transmission shaft (1) fastening, spring
(3) the other end is connected with rotary shaft (2) fastening.
3. a kind of pneumatic product, which is characterized in that the pneumatic product is pneumatic screw driver or pneumatic drill bit or dymic sander,
The pneumatic product include by spring (3) be sequentially connected transmission shaft (1) and rotary shaft (2), one end of the spring (3) and
Transmission shaft (1) fastening is connected, and the other end of spring (3) is connected with rotary shaft (2) fastening.
4. a kind of progressive rotation type electric toothbrush, including brush head (4) and transmission shaft (1), the brush head (4) has rotary shaft (2),
It is characterized in that, being sequentially connected by spring (3) between the rotary shaft (2) and transmission shaft (1).
5. progressive rotation type electric toothbrush according to claim 4, which is characterized in that one end of the spring (3) is fixed
It is connected on the end face of transmission shaft (1), the other end of spring (3) is fixedly connected on the end face of rotary shaft (2).
6. progressive rotation type electric toothbrush according to claim 4, which is characterized in that the axial direction of the rotary shaft (2) with
Relationship between the axial direction of transmission shaft (1) is parallel offset or coplanar interior angle or the three-dimensional folder not in approximately the same plane
Angle.
7. progressive rotation type electric toothbrush according to claim 4, which is characterized in that the spring (3) is set as three-dimensional
Curve.
8. progressive rotation type electric toothbrush according to claim 4, which is characterized in that the spring (3) is close winding spring.
9. the progressive rotation type electric toothbrush described according to claim 4 or 5 or 6 or 7 or 8, which is characterized in that the electric tooth
Brush further includes brush handle (5) and motor (6), and the rotary shaft (2) is rotatably connected on brush handle (5), the transmission shaft (1) and motor
(6) it is connected, the spring (3) is built in brush handle (5).
10. progressive rotation type electric toothbrush according to claim 9, which is characterized in that have in brush handle (5) inner cavity
For the accommodating cavity (7) that spring (3) interts, it is arranged with bearing (8) on the bending part of the spring (3), the bearing (8) is connected in
In accommodating cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600421.6A CN108443304A (en) | 2018-06-12 | 2018-06-12 | A kind of rotation drive machine, electric product, pneumatic product and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810600421.6A CN108443304A (en) | 2018-06-12 | 2018-06-12 | A kind of rotation drive machine, electric product, pneumatic product and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108443304A true CN108443304A (en) | 2018-08-24 |
Family
ID=63206246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810600421.6A Pending CN108443304A (en) | 2018-06-12 | 2018-06-12 | A kind of rotation drive machine, electric product, pneumatic product and electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108443304A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5529495A (en) * | 1995-06-06 | 1996-06-25 | Edwards; Donald L. | Right angle dental hand piece with spring drive |
| CN201403031Y (en) * | 2009-05-01 | 2010-02-10 | 浙江巨龙自动化设备有限公司 | Actuating mechanism of motor rotor groove cutting machine |
| CN102297194A (en) * | 2011-08-19 | 2011-12-28 | 郭保可 | Steering transmission shaft |
| US20120077603A1 (en) * | 2010-09-23 | 2012-03-29 | We Cheer Industrial Co., Ltd. | Transmission mechanism of a carving grinder |
| CN202628951U (en) * | 2012-06-14 | 2012-12-26 | 朱有红 | Flexible shaft transmission system |
| CN105864381A (en) * | 2016-06-29 | 2016-08-17 | 北京邮电大学 | Improved spiral transmission gear with flexible shaft |
-
2018
- 2018-06-12 CN CN201810600421.6A patent/CN108443304A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5529495A (en) * | 1995-06-06 | 1996-06-25 | Edwards; Donald L. | Right angle dental hand piece with spring drive |
| CN201403031Y (en) * | 2009-05-01 | 2010-02-10 | 浙江巨龙自动化设备有限公司 | Actuating mechanism of motor rotor groove cutting machine |
| US20120077603A1 (en) * | 2010-09-23 | 2012-03-29 | We Cheer Industrial Co., Ltd. | Transmission mechanism of a carving grinder |
| CN102297194A (en) * | 2011-08-19 | 2011-12-28 | 郭保可 | Steering transmission shaft |
| CN202628951U (en) * | 2012-06-14 | 2012-12-26 | 朱有红 | Flexible shaft transmission system |
| CN105864381A (en) * | 2016-06-29 | 2016-08-17 | 北京邮电大学 | Improved spiral transmission gear with flexible shaft |
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