CN110360290A - The cam lever power device of speed change output - Google Patents
The cam lever power device of speed change output Download PDFInfo
- Publication number
- CN110360290A CN110360290A CN201910774870.7A CN201910774870A CN110360290A CN 110360290 A CN110360290 A CN 110360290A CN 201910774870 A CN201910774870 A CN 201910774870A CN 110360290 A CN110360290 A CN 110360290A
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- Prior art keywords
- cam
- lever
- shell
- speed change
- power device
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- 230000008859 change Effects 0.000 title claims abstract description 25
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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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
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
-
- 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
- F16H—GEARING
- F16H51/00—Levers of gearing mechanisms
-
- 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
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention discloses a kind of cam lever power device of speed change output comprising: shell；Motor is installed in shell；Cam is installed in the shaft of motor, and cam front end face offers cam locus sliding slot；Output shaft is arranged in the case nose, and exports shaft rear end and be fixed with interlocking lever；Lever, front end are set in the axis hole of shell, and the molding interlock plate of lever middle connects interlocking lever, and lever rear end is placed in cam locus sliding slot；When motor-driven cam rotates, cam drives lever to rotate back and forth using axis hole as axle center by cam locus sliding slot, and lever drives the output shaft to rotate back and forth while round-trip rotation by interlocking lever.The present invention drives the output shaft to rotate back and forth using motor cooperation cam and lever, interlocking lever, and cam drives lever to rotate back and forth using cam locus sliding slot, stable structure; bearing capacity is strong; when cam rotation is turned around, which is at least rotated back and forth twice, achievees the purpose that speed change exports.
Description
Technical field:
The present invention relates to power device product technical fields, refer in particular to a kind of cam lever power device of speed change output.
Background technique:
The raising of attention degree with the improvement of people ' s living standards and to itself oral health, electric toothbrush are more and more
Enter in average family, the relatively common traditional toothbrush of electric toothbrush has the high clear superiority of cleaning efficiency.But at present
It is divided into the reciprocating manner of brushhead vibration formula and certain amplitude in popular electric toothbrush technology in the market, by power device
It realizes.
The power device of existing electric toothbrush, although much design performance is excellent, mostly technique requires high, structure
Complexity, assembling is cumbersome, in order to meet final performance performance, uses a large amount of metal component mostly, and the ultimate cost of product is high,
It is unfavorable to product promotion.Although some constructions are simple, bearing capacity is poor, and noise is also big, and fluctuation of service, work quality obtains not
To guarantee, requirement of the user to properties of product can be can not meet.
Similar to the product of electric toothbrush, there is also the above problems on the market, such as: reciprocating electric razor is also to need
It to be moved back and forth using power device driving movable blades, cooperate fixed blade to realize shear action, and the power with this
There are above-mentioned technical problems for device.
In view of this, the present inventor proposes following technical scheme.
Summary of the invention:
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of cam lever power dresses of speed change output
It sets.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals: the cam lever of speed change output is dynamic
Power device includes: shell；Motor, the motor are installed in shell, which has shaft；Cam, the cam is with disassembling, assembling and replacing
Mode be installed in the shaft, and the cam front end face offers cam locus sliding slot；Output shaft, the output shaft are arranged in this
Case nose, and the output shaft rear end is fixed with interlocking lever；Lever, the lever front end are set in the axis hole of the shell, the lever
Middle part forms interlock plate, which connects the interlocking lever, which is placed in the cam locus sliding slot of the cam；
When the motor drives the cam to rotate, it using axis hole is axle center toward wraparound which, which drives the lever by cam locus sliding slot,
It is dynamic, and the lever drives the output shaft to rotate back and forth while round-trip rotation by interlocking lever.
Furthermore, in above-mentioned technical proposal, the cam locus sliding slot is oval or polygon.
Furthermore, in above-mentioned technical proposal, the cam locus sliding slot is triangular in shape.
Furthermore, in above-mentioned technical proposal, after the lever includes main part, is set to the main part side
Second body of rod of first body of rod at end and the front end for being set to the main part other side, the interlock plate are integrally attached to the main body
The edge of the portion other side, first body of rod are placed in the cam locus sliding slot, which is placed in the axis hole.
Furthermore, in above-mentioned technical proposal, first body of rod periphery is arranged with first bearing.
Furthermore, in above-mentioned technical proposal, second body of rod periphery is arranged with second bearing.
Furthermore, in above-mentioned technical proposal, the interlock plate inwardly offers sliding opening, the company along its side
Lever rear end is provided with axis body, which is placed in sliding opening.
Furthermore, in above-mentioned technical proposal, the outer casing inner wall, which is provided with, limits the interlocking lever amplitude of fluctuation
The first limit block and the second limit block are formed between the first limit block and the second limit block and limit interlocking lever amplitude of fluctuation
Amplitude of oscillation interval, the interlocking lever are placed in the amplitude of oscillation interval.
Furthermore, in above-mentioned technical proposal, the shell include be mutually clamped the left shell that is fixed together and
Right shell body, the right shell body front end are integrally fixed with an end cap portions, which is integrally fixed with a base lid portion, the base lid portion
It is docked with right shell body rear end, in the end cap portions side, the axis hole is set on the inside of the end cap portions left shell also backpack cover；It is described
Output shaft is arranged in the end cap portions center.
Furthermore, in above-mentioned technical proposal, the right shell body edge is provided with the first deep gouge, and with first deep gouge
Bottom is provided with card slot, and the end cap portions edge is provided with the second deep gouge being connected to the first deep gouge；The left shell edge peace
Loaded in first deep gouge and the second deep gouge, and the card edge of the left shell edge formation is fixed with card slot.
After adopting the above technical scheme, compared with prior art, the present invention has the following advantages:
1, when the invention works, motor starting, and rotated in one direction by the shaft of motor driving cam, the cam
The lever is driven to rotate back and forth using axis hole as axle center by cam locus sliding slot when rotation, and the lever is while round-trip rotation
It drives the output shaft to rotate back and forth by interlocking lever, achievees the purpose that output shaft is driven to rotate back and forth, wherein the output shaft is round-trip
For the amplitude degree of being positive of rotation to negative degree, the present invention uses motor cooperation cam and lever, interlocking lever to drive the output shaft toward wraparound
It is dynamic, structure is not only simplified, structure is made to become simpler, stability that is more convenient, and can guaranteeing operation is assembled, makes an uproar
Sound is small.
2, the cam in the present invention is that the cam locus sliding slot for using its front end to be arranged drives the lever using axis hole as axle center
Round-trip rotation, stable structure, bearing capacity is strong, and the cam will not be undesirably fallen off in the process of running with lever, guarantees work
Make quality, when cam rotation is turned around, which is at least rotated back and forth twice, achievees the purpose that speed change exports, if you need to change
Become the speed that output shaft rotates back and forth, the cam of the replaceable cam locus sliding slot with different shaping uses extremely clever
It is living, and conveniently, requirement of the different user to properties of product can be met.
Detailed description of the invention:
Fig. 1 is perspective view of the invention；
Fig. 2 is the perspective view at another visual angle of the present invention；
Fig. 3 is explosive view of the invention；
Fig. 4 is the perspective view after present invention disassembly shell；
Fig. 5 is the perspective view of cam in the present invention；
Fig. 6 is the perspective view of lever in the present invention；
Fig. 7 is the perspective view at another visual angle of lever in the present invention；
Fig. 8 is the perspective view of output shaft in the present invention；
Fig. 9 is the installation diagram of output shaft and lever in the present invention；
Figure 10 is the installation diagram of right shell body in the present invention；
Figure 11 is the installation diagram of right shell body and output shaft and lever in the present invention.
Specific embodiment:
The present invention is further described with attached drawing combined with specific embodiments below.
As shown in Fig. 1-11, for a kind of cam lever power device of speed change output comprising: shell 1；Motor 2, the horse
It is installed in shell 1 up to 2, which has shaft 21；Cam 3, the cam 3 are installed on the shaft in a manner of disassembling, assembling and replacing
On 21, and 3 front end face of cam offers cam locus sliding slot 31；Output shaft 4, the output shaft 4 are arranged in 1 front end of shell,
And 4 rear end of output shaft is fixed with interlocking lever 5；Lever 6,6 front end of lever are set in the axis hole 101 of the shell 1, the lever 6
Middle part forms interlock plate 61, which connects the interlocking lever 5, which is placed in the cam locus of the cam 3
In sliding slot 31；When the motor 2 drives the cam 3 rotation, which drives the lever 6 with axis by cam locus sliding slot 31
Hole 101 is that axle center rotates back and forth, and the lever 6 drives the output shaft 4 toward wraparound while round-trip rotation by interlocking lever 5
It is dynamic.When the invention works, motor 2 starts, and drives cam 3 to rotate in one direction by the shaft of the motor 2 21, the cam 3
The lever 6 is driven to rotate back and forth with axis hole 101 for axle center by cam locus sliding slot 31 when rotation, and the lever 6 is in past wraparound
It drives the output shaft 4 to rotate back and forth by interlocking lever 5 while dynamic, achievees the purpose that output shaft 4 is driven to rotate back and forth, wherein
The amplitude that the output shaft 4 rotates back and forth is positive 10 degree to minus 10 degree.The present invention cooperates cam 3 and lever 6 using motor 2, interlocks
Bar 5 drives the output shaft 4 to rotate back and forth, not only simplifies structure, structure is made to become simpler, and assembling is more convenient, and
It can guarantee the stability of operation, noise is small；Furthermore cam 3 is to drive this using the cam locus sliding slot 31 of its front end setting
Lever 6 is that axle center rotates back and forth with axis hole 101, and stable structure, bearing capacity is strong, and the cam 3 and lever 6 are in operational process
In will not undesirably fall off, guarantee work quality, when turning around, which is at least rotated back and forth twice, is reached for the cam 3 rotation
The purpose exported to speed change, the speed rotated back and forth if you need to change output shaft 4, the replaceable cam locus with different shaping are sliding
The cam 3 of slot 31 uses extremely flexibly, and conveniently, can meet requirement of the different user to properties of product.
In conjunction with shown in Fig. 3-5, the cam locus sliding slot 31 is oval or polygon.When the cam locus sliding slot of use
31 in it is oval when, when the cam 3 rotation is turned around, which carries out round-trip rotation twice, achievees the purpose that two speeds export；
The cam locus sliding slot 31 of use is in polygon, and when the cam 3 rotation is turned around, which carries out repeatedly round-trip rotation, reaches more
The purpose of speed output, for example, the present embodiment is as preferred embodiment, the cam locus sliding slot 31 is triangular in shape, should
When the rotation of cam 3 is turned around, which carries out round-trip rotation three times, achievees the purpose that three times speed exports, specifically, cam
Track sliding slot 31 have three sides, when which slides into tail portion along the head of a line, the lever 6 can be forced into
The primary round-trip rotation of row, when which turns around with the rotation of cam 3, three sides difference of the cam locus sliding slot 31
Primary with end in contact after lever 6, when reaching the rotation of cam 3 with this and turning around, which carries out round-trip rotation three times, reaches three times
The purpose of speed output.And so on, the cam locus sliding slot 31 of use is in quadrangle, when the cam 3 rotation is turned around, the lever
6 carry out four round-trip rotations, achieve the purpose that four speeds export, this is no longer going to repeat them.
In conjunction with shown in Fig. 6,7, the lever 6 include main part 62, be set to 62 side of main part rear end
Second body of rod 64 of one body of rod 63 and the front end for being set to 62 other side of main part, the interlock plate 61 are integrally attached to the master
The edge of 62 other side of body portion, first body of rod 63 are placed in the cam locus sliding slot 31, which is placed in the axis
In hole 101.
In conjunction with shown in Fig. 6,7, first body of rod, 63 periphery is arranged with first bearing 631, which is placed in this
In cam locus sliding slot 31, to cause the lever 6 to slide by the first bearing 631 in the cam locus sliding slot 31, rolling is formed
Dynamic friction reduces frictional force with this, improves the smoothness and stability of operation, while can also reduce abrasion and use the longevity to improve
Life.Second body of rod, 64 periphery is arranged with second bearing 641, and second bearing 641 is placed in the axis hole 101, can be with this
Guarantee that lever 6 rotates more smooth relative to axis hole 101, and this reduces frictional force, improves the smoothness and stability of operation,
Abrasion can also be reduced simultaneously to improve service life.
In conjunction with shown in Fig. 6,7,9, the interlock plate 61 inwardly offers sliding opening 611, sliding opening along its side
611 is u-shaped, and 5 rear end of interlocking lever is provided with axis body 51, which is placed in sliding opening 611, is open
Assembling structure assembles up more convenient.
In conjunction with shown in Figure 10,11,1 inner wall of shell is provided with the first limit for limiting 5 amplitude of fluctuation of interlocking lever
Block 102 and the second limited block 103 are formed between first limited block 102 and the second limited block 103 and limit the swing of interlocking lever 5
The amplitude of oscillation interval of amplitude, the interlocking lever 5 are placed in the amplitude of oscillation interval, pass through the first limited block 102 and the second limited block 103 with this
The amplitude of fluctuation for limiting the interlocking lever 5 can be realized the amplitude that control output shaft 4 rotates back and forth and be positive 10 degree to minus 10 degree.
In conjunction with shown in Fig. 3,10,11, the shell 1 includes the left shell 11 and right shell body for being mutually clamped and being fixed together
12, which is integrally fixed with an end cap portions 13, which is integrally fixed with a base lid portion 14, the bottom
Cover 14 is docked with 12 rear end of right shell body, which goes back backpack cover in 13 side of end cap portions, and the axis hole 101 is set to this
13 inside of end cap portions；The output shaft 4 is arranged in 13 center of end cap portions.Since 12 front end of right shell body is integrally fixed with an end cap
Portion 13, which is integrally fixed with a base lid portion 14, after left shell 11 and right shell body 12 are mutually clamped fixation, composition
Complete shell 1, is not necessarily to additional assembly side lid and bottom lid, can reduce part, improves assembly efficiency.
In conjunction with shown in Figure 10,11,12 edge of right shell body is provided with the first deep gouge 121, and with 121 bottom of the first deep gouge
Portion is provided with card slot 122, and 13 edge of end cap portions is provided with the second deep gouge 131 being connected to the first deep gouge 121；The left housing
11 edge of body is installed in first deep gouge 121 and the second deep gouge 131, and the card edge 111 of 11 edge formation of left shell and card
Slot 122 is fixed, and guarantees the stability that left shell 11 and right shell body 12 assemble with this.
In conclusion when the invention works, motor 2 starts, and drive cam 3 along a side by the shaft of the motor 2 21
To rotation, the lever 6 is driven to rotate back and forth with axis hole 101 for axle center by cam locus sliding slot 31 when which rotates, and should
Lever 6 drives the output shaft 4 to rotate back and forth while round-trip rotation by interlocking lever 5, reaches driving output shaft 4 and rotates back and forth
Purpose, wherein the amplitude that the output shaft 4 rotates back and forth is positive 10 degree to minus 10 degree.The present invention cooperates cam 3 using motor 2
It drives the output shaft 4 to rotate back and forth with lever 6, interlocking lever 5, not only simplifies structure, structure is made to become simpler, assembling is more
Add conveniently, and can guarantee the stability of operation, noise is small；Furthermore cam 3 is sliding using the cam locus of its front end setting
Slot 31 drives the lever 6 to rotate back and forth with axis hole 101 for axle center, and stable structure, bearing capacity is strong, and the cam 3 and lever 6
It will not undesirably fall off in the process of running, guarantee work quality, when the cam 3 rotation is turned around, which at least carries out past twice
Wraparound is dynamic, achievees the purpose that speed change exports, the speed rotated back and forth if you need to change output shaft 4, replaceable with different shaping
The cam 3 of cam locus sliding slot 31 uses extremely flexibly, and conveniently, can meet requirement of the different user to properties of product.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.
Claims (10)
1. the cam lever power device of speed change output, it is characterised in that: comprising:
Shell (1)；
Motor (2), the motor (2) are installed in shell (1), which has shaft (21)；
Cam (3), the cam (3) are installed in the shaft (21) in a manner of disassembling, assembling and replacing, and cam (3) front end face opens up
There are cam locus sliding slot (31)；
Output shaft (4), which is arranged in shell (1) front end, and output shaft (4) rear end is fixed with interlocking lever
(5)；
Lever (6), lever (6) front end are set in the axis hole (101) of the shell (1), form interlock plate in the middle part of the lever (6)
(61), which connects the interlocking lever (5), which is placed in the cam locus sliding slot of the cam (3)
(31) in；
When the motor (2) drives the cam (3) to rotate, which drives the lever (6) by cam locus sliding slot (31)
It is that axle center rotates back and forth, and the lever (6) drives the output by interlocking lever (5) while round-trip rotation with axis hole (101)
Axis (4) rotates back and forth.
2. the cam lever power device of speed change output according to claim 1, it is characterised in that: the cam locus is sliding
Slot (31) is oval or polygon.
3. the cam lever power device of speed change output according to claim 1, it is characterised in that: the cam locus is sliding
Slot (31) is triangular in shape.
4. the cam lever power device of speed change output according to claim 1, it is characterised in that: lever (6) packet
Include main part (62), the rear end for being set to main part (62) side first body of rod (63) and be set to the main part (62)
Second body of rod (64) of the front end of the other side, the interlock plate (61) are integrally attached to the edge of main part (62) other side,
First body of rod (63) is placed in the cam locus sliding slot (31), which is placed in the axis hole (101).
5. the cam lever power device of speed change output according to claim 4, it is characterised in that: first body of rod
(63) periphery is arranged with first bearing (631).
6. the cam lever power device of speed change output according to claim 4, it is characterised in that: second body of rod
(64) periphery is arranged with second bearing (641).
7. the cam lever power device of speed change output according to claim 1, it is characterised in that: the interlock plate (61)
Sliding opening (611) is inwardly offered along its side, interlocking lever (5) rear end is provided with axis body (51), which sets
In sliding opening (611).
8. the cam lever power device of the output of speed change described in -7 any one according to claim 1, it is characterised in that: described
Shell (1) inner wall is provided with the first limited block (102) and the second limited block (103) for limiting interlocking lever (5) amplitude of fluctuation,
The amplitude of oscillation interval for limiting interlocking lever (5) amplitude of fluctuation is formed between first limited block (102) and the second limited block (103),
The interlocking lever (5) is placed in the amplitude of oscillation interval.
9. the cam lever power device of the output of speed change described in -7 any one according to claim 1, it is characterised in that: described
Shell (1) includes the left shell (11) and right shell body (12) for being mutually clamped and being fixed together, right shell body (12) front end one
An end cap portions (13) are fixed with, which is integrally fixed with a base lid portion (14), the base lid portion (14) and right shell
The docking of body (12) rear end, the left shell (11) go back backpack cover in end cap portions (13) side, and the axis hole (101) is set to the end cap
On the inside of portion (13)；The output shaft (4) is arranged in end cap portions (13) center.
10. the cam lever power device of speed change output according to claim 9, it is characterised in that: the right shell body
(12) edge is provided with the first deep gouge (121), and the first deep gouge (121) bottom is provided with card slot (122), the end cap portions
(13) edge is provided with the second deep gouge (131) being connected to the first deep gouge (121)；Left shell (11) edge be installed on this
In one deep gouge (121) and the second deep gouge (131), and the card edge (111) of left shell (11) edge formation engages with card slot (122)
It is fixed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774870.7A CN110360290A (en) | 2019-08-21 | 2019-08-21 | The cam lever power device of speed change output |
| PCT/CN2019/105127 WO2021031254A1 (en) | 2019-08-21 | 2019-09-10 | Variable-output cam lever power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774870.7A CN110360290A (en) | 2019-08-21 | 2019-08-21 | The cam lever power device of speed change output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110360290A true CN110360290A (en) | 2019-10-22 |
Family
ID=68224936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774870.7A Pending CN110360290A (en) | 2019-08-21 | 2019-08-21 | The cam lever power device of speed change output |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110360290A (en) |
| WO (1) | WO2021031254A1 (en) |
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- 2019-08-21 CN CN201910774870.7A patent/CN110360290A/en active Pending
- 2019-09-10 WO PCT/CN2019/105127 patent/WO2021031254A1/en active Application Filing
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