CN108071757B - Six-speed gear box for electric drill - Google Patents
Six-speed gear box for electric drill Download PDFInfo
- Publication number
- CN108071757B CN108071757B CN201810077618.6A CN201810077618A CN108071757B CN 108071757 B CN108071757 B CN 108071757B CN 201810077618 A CN201810077618 A CN 201810077618A CN 108071757 B CN108071757 B CN 108071757B
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- CN
- China
- Prior art keywords
- gear
- speed
- periphery
- gear shifting
- shell
- 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.)
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 21
- 238000005452 bending Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/70—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02069—Gearboxes for particular applications for industrial applications
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six forward speeds
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
- F16H2200/2005—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with one sets of orbital gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a six-speed gearbox for an electric drill, which comprises: the gear shifting device comprises a shell, a three-speed gear shifting mechanism, a two-speed gear shifting mechanism and a power output mechanism, wherein the three-speed gear shifting mechanism, the two-speed gear shifting mechanism and the power output mechanism are arranged on the shell and are matched with each other, the two-speed gear shifting mechanism comprises a sun gear, a plurality of planetary gears meshed with pinions in the sun gear, a front gear shifting gear ring arranged on the periphery of flange teeth in the planetary gears and the sun gear, a tooth-shaped gasket arranged on the periphery of the front gear shifting gear ring and a front speed regulating deflector rod arranged on the periphery of the shell; the three-speed gear shifting mechanism comprises a retainer fixed with the sun gear through a plurality of pin shafts, a triple gear sleeved in the pin shafts and positioned between the sun gear and the retainer, motor teeth arranged between the triple gears and meshed with the triple gear, a middle gear ring arranged on the periphery of a small gear at the upper end of the triple gear, a rear gear ring and a rear gear shifting gear ring arranged on the periphery of a medium gear at the lower end of the triple gear, and a rear speed regulating deflector rod arranged on the periphery of a shell, wherein the motor teeth are fixedly connected with a motor rotating shaft.
Description
Technical field:
the invention relates to the technical field of machinery, in particular to a six-speed gear box for an electric drill.
The background technology is as follows:
the traditional gear box for the electric drill is generally adjustable in two speeds, or adjustable in three speeds or adjustable in four speeds, along with the development of the electric tool industry, the requirements of users on the functions of the electric drill are continuously improved, and the requirement of expanding the speed change range of the gear box to adapt to different working conditions becomes an important breakthrough point in the use technology of the electric drill.
In view of this, the present inventors have proposed the following means.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art and provides a six-speed gearbox for an electric drill.
In order to solve the technical problems, the invention adopts the following technical scheme: the six-speed gearbox for the electric drill comprises: the gear shifting device comprises a shell, a three-speed gear shifting mechanism, a two-speed gear shifting mechanism and a power output mechanism, wherein the three-speed gear shifting mechanism is arranged in the shell and matched with a motor rotating shaft, the two-speed gear shifting mechanism is arranged in the shell and matched with the three-speed gear shifting mechanism, the power output mechanism is arranged at the end part of the shell, the two-speed gear shifting mechanism comprises a sun gear arranged in the shell, a plurality of planet gears which are arranged on the sun gear and meshed with pinions in the sun gear, a front gear shifting gear ring arranged on the periphery of flange teeth in the planet gears and the sun gear, a tooth-shaped gasket arranged on the periphery of the front gear shifting gear ring, and a front speed regulating deflector rod arranged on the periphery of the shell and used for driving the front gear shifting gear ring to be meshed with flange teeth in the sun gear or meshed with the planet gears; the three-speed gear shifting mechanism comprises a retainer fixed with a sun gear through a plurality of pin shafts, a plurality of triple gears sleeved in the pin shafts and positioned between the sun gear and the retainer, motor teeth arranged between the triple gears and meshed with the triple gears, a middle gear ring arranged on the periphery of a small gear at the upper end of the triple gears, a rear gear ring arranged on the periphery of a medium gear at the lower end of the triple gears, a rear gear shifting gear ring arranged on the periphery of a large gear, a middle gear ring or a rear gear ring, a rear speed regulating deflector rod arranged on the periphery of a shell and used for driving the rear gear shifting gear ring to be meshed with the large gear, the middle gear ring or the rear gear ring, and the motor teeth and a motor rotating shaft are fixedly connected.
In the above technical solution, the motor teeth are engaged with a large gear of the triple gear.
In the above technical solution, the motor teeth are meshed with a small gear of the triple gear.
Further, in the above technical solution, the motor teeth are meshed with a middle gear of the triple gears.
In the technical scheme, a front gear shifting speed regulation groove is formed on the periphery of the front gear shifting gear ring; the front speed regulating deflector rod is rotatably arranged on the periphery of the shell, and a first poking part formed by bending the end part of the front speed regulating deflector rod is arranged in the front gear shifting speed regulating groove.
In the above technical scheme, further, a rear gear shifting speed regulation groove is formed on the periphery of the rear gear shifting gear ring; the rear speed regulating deflector rod is rotatably arranged on the periphery of the shell, and a second poking part formed by bending the end part of the rear speed regulating deflector rod is arranged in the rear gear shifting speed regulating groove.
Furthermore, in the above technical scheme, the power output mechanism comprises a front shell mounted at the end of the shell, a driving flange mounted in the front shell, a plurality of bearings mounted in the front shell and a power output shaft penetrating through the front shell, wherein the rear end of the power output shaft is fixed with the driving flange, a plurality of shaft bodies are arranged on the driving flange, and the planetary gear is mounted on the shaft bodies.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects: when the two-speed gear shifting mechanism works, when the front gear shifting gear ring is meshed with the flange teeth in the sun gear, the first speed output can be realized; when the front gear shifting gear ring is meshed with the planetary gears, the second speed output can be realized; in contrast, when the three-speed gear shifting mechanism works, the first speed output can be realized when the rear gear shifting gear ring is meshed with the large gear; when the rear gear shifting gear ring is meshed with the middle gear ring, a second speed output can be realized; when the rear gear shifting gear ring is meshed with the rear gear ring, third speed output can be realized, and the two-speed gear shifting mechanism and the three-speed gear shifting mechanism are mutually matched to realize six speed outputs, so that the speed changing range of the gear box is enlarged to adapt to the requirements of different working conditions.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the invention with the housing removed;
FIG. 3 is a cross-sectional view of the present invention;
fig. 4 is an exploded view of fig. 2.
The specific embodiment is as follows:
the invention will be further described with reference to specific examples and figures.
Referring to fig. 1-4, a six-speed gearbox for an electric drill is provided, comprising: the three-speed gear shifting mechanism 2 is arranged in the shell 1 and matched with the motor rotating shaft, the two-speed gear shifting mechanism 3 is arranged in the shell 1 and matched with the three-speed gear shifting mechanism 2, and the power output mechanism 4 is arranged at the end part of the shell 1, wherein the three-speed gear shifting mechanism 2 realizes three groups of different speed outputs, the two-speed gear shifting mechanism 3 realizes two groups of different speed outputs, and six groups of different speed outputs can be realized through matching combination.
The two-speed gear shifting mechanism 3 comprises a sun gear 31 arranged in the shell 1, a plurality of planet gears 32 arranged on the sun gear 31 and meshed with a pinion 311 in the sun gear 31, a front gear shifting gear ring 33 arranged on the periphery of the planet gears 32 and flange teeth 312 in the sun gear 31, a tooth-shaped gasket 34 arranged on the periphery of the front gear shifting gear ring 33, and a front speed regulating deflector rod 35 arranged on the periphery of the shell 1 and used for driving the front gear shifting gear ring 33 to mesh with the flange teeth 312 in the sun gear 31 or mesh with the planet gears 32; when the two-speed shift mechanism 3 works, the first speed output can be realized when the front shift gear ring 33 is meshed with the flange teeth 312 in the sun gear 31; when the front shift ring gear 33 is meshed with the planetary gears 32, the second speed output can be achieved.
A front gear shifting speed regulating groove 331 is formed on the periphery of the front gear shifting gear ring 33; the front speed adjusting deflector 35 is rotatably mounted on the periphery of the housing 1, and a first poking part 351 formed by bending the end of the front speed adjusting deflector 35 is disposed in the front gear shifting speed adjusting groove 331.
The three-speed gear shifting mechanism 2 comprises a retainer 21 fixed with a sun gear 31 through a plurality of pin shafts 211, a plurality of triple gears 22 sleeved in the pin shafts 211 and positioned between the sun gear 31 and the retainer 21, motor teeth 23 arranged between the triple gears 22 and meshed with the triple gears 22, a middle gear ring 24 arranged on the periphery of a small gear 222 at the upper end of the triple gears 22, a rear gear ring 25 arranged on the periphery of a middle gear 223 at the lower end of the triple gears 22, a rear gear shifting gear ring 26 arranged on the periphery of a large gear 221 or the middle gear ring 24 or the rear gear ring 25, and a rear speed regulating deflector 27 arranged on the periphery of the shell 1 and used for driving the rear gear shifting gear ring 26 to be meshed with the large gear 221 or the middle gear ring 24 or the rear gear ring 25, wherein the motor teeth 23 are fixedly connected with a motor rotating shaft. When the three-speed gear shifting mechanism 2 works, when the rear gear shifting gear ring 26 is meshed with the large gear 221, the first speed output can be realized; a second speed output is achieved when the rear shift ring gear 26 is engaged with the intermediate ring gear 24; when the rear shift ring gear 26 is meshed with the rear ring gear 25, a third speed output can be achieved.
The motor teeth 23 mesh with a large gear 221 in the triple gear 22. Alternatively, the motor teeth 23 mesh with a pinion gear 222 in the triple gear 22. Alternatively, the motor teeth 23 mesh with a middle gear 223 of the triple gear 22. In this embodiment, the motor teeth 23 are assembled in the following manner: the motor teeth 23 mesh with a large gear 221 in the triple gear 22.
Since the retainer 21 is fixedly connected with the sun gear 31 through the pin shaft 211, the motion stability of the triple gear is ensured, and the output precision and strength are ensured.
A rear gear shifting speed regulation groove 261 is formed on the periphery of the rear gear shifting gear ring 26; the rear speed adjusting deflector 27 is rotatably mounted on the periphery of the housing 1, and a second deflector 271 formed by bending the end of the rear speed adjusting deflector 27 is disposed in the rear shift speed adjusting groove 261.
The power output mechanism 4 comprises a front shell 41 arranged at the end part of the shell 1, a driving flange 42 arranged in the front shell 41, a plurality of bearings 43 arranged in the front shell 41 and a power output shaft 44 penetrating through the front shell 41, wherein the rear end of the power output shaft 44 is fixed with the driving flange 42, a plurality of shaft bodies 421 are arranged on the driving flange 42, and the planetary gears 32 are arranged on the shaft bodies 421.
In summary, when the two-speed shift mechanism 3 is operated, the first speed output can be achieved when the front shift ring gear 33 is engaged with the flange teeth 312 in the sun gear 31; when the front shift ring gear 33 is engaged with the planetary gear 32, a second speed output can be achieved; in contrast, when the three-speed shift mechanism 2 is operated, the first speed output can be achieved when the rear shift ring gear 26 is engaged with the large gear 221; a second speed output is achieved when the rear shift ring gear 26 is engaged with the intermediate ring gear 24; when the rear gear shifting ring gear 26 is meshed with the rear gear ring 25, the third speed output can be realized, and the two-speed gear shifting mechanism 3 and the three-speed gear shifting mechanism 2 are mutually matched to realize six speed outputs, so that the speed changing range of the gear box is enlarged to adapt to the requirements of different working conditions.
It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (7)
1. A six-speed gearbox for an electric drill, comprising: casing (1), install in casing (1) and with motor shaft cooperation installation's three-speed gear shifting mechanism (2), install in casing (1) and with three-speed gear shifting mechanism (2) complex two-speed gear shifting mechanism (3) and install power take off mechanism (4) of casing (1) tip, its characterized in that:
the two-speed gear shifting mechanism (3) comprises a sun gear (31) arranged in the shell (1), a plurality of planet gears (32) arranged on the sun gear (31) and meshed with a pinion (311) in the sun gear (31), a front gear shifting gear ring (33) arranged on the peripheries of the planet gears (32) and flange teeth (312) in the sun gear (31), a tooth-shaped gasket (34) arranged on the periphery of the front gear shifting gear ring (33) and a front speed regulating deflector rod (35) arranged on the periphery of the shell (1) and used for driving the front gear shifting gear ring (33) to be meshed with the flange teeth (312) in the sun gear (31) or meshed with the planet gears (32); the three-speed gear shifting mechanism (2) comprises a retainer (21) fixed with a sun gear (31) through a plurality of pin shafts (211), a plurality of triple gears (22) sleeved in the pin shafts (211) and positioned between the sun gear (31) and the retainer (21), motor teeth (23) arranged between the triple gears (22) and meshed with the triple gears (22), an intermediate gear (24) arranged on the periphery of a small gear (222) at the upper end of the triple gears (22), a rear gear ring (25) arranged on the periphery of a medium gear (223) at the lower end of the triple gears (22), a rear gear shifting gear ring (26) arranged on the periphery of a large gear (221) or the intermediate gear ring (24) or the periphery of the rear gear ring (25), and a rear speed regulating rod (27) arranged on the periphery of the shell (1) and used for driving the rear gear shifting gear ring (26) to be meshed with the large gear (221) or meshed with the intermediate gear ring (24) or meshed with the rear gear ring (25), wherein the motor teeth (23) are fixedly connected with a motor rotating shaft.
2. A six speed gearbox for an electric drill according to claim 1 wherein: the motor teeth (23) are meshed with a large gear (221) in the triple gear (22).
3. A six speed gearbox for an electric drill according to claim 1 wherein: the motor teeth (23) mesh with a pinion (222) in the triple gear (22).
4. A six speed gearbox for an electric drill according to claim 1 wherein: the motor teeth (23) are meshed with a medium-sized gear (223) in the triple gear (22).
5. A six speed gearbox for an electric drill according to any one of claims 1 to 4 wherein: a front gear shifting speed regulation groove (331) is formed at the periphery of the front gear shifting gear ring (33); the front speed regulating deflector rod (35) is rotatably arranged on the periphery of the shell (1), and a first poking part (351) formed by bending the end part of the front speed regulating deflector rod (35) is arranged in the front gear shifting speed regulating groove (331).
6. A six speed gearbox for an electric drill according to claim 5 wherein: a rear gear shifting speed regulation groove (261) is formed at the periphery of the rear gear shifting gear ring (26); the rear speed regulating deflector rod (27) is rotatably arranged on the periphery of the shell (1), and a second poking part (271) formed by bending the end part of the rear speed regulating deflector rod (27) is arranged in the rear gear shifting speed regulating groove (261).
7. A six speed gearbox for an electric drill according to claim 6 wherein: the power output mechanism (4) comprises a front shell (41) arranged at the end part of the shell (1), a driving flange (42) arranged in the front shell (41), a plurality of bearings (43) arranged in the front shell (41) and a power output shaft (44) penetrating through the front shell (41), wherein the rear end of the power output shaft (44) is fixed with the driving flange (42), a plurality of shaft bodies (421) are arranged on the driving flange (42), and the planetary gear (32) is arranged on the shaft bodies (421).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077618.6A CN108071757B (en) | 2018-01-26 | 2018-01-26 | Six-speed gear box for electric drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810077618.6A CN108071757B (en) | 2018-01-26 | 2018-01-26 | Six-speed gear box for electric drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108071757A CN108071757A (en) | 2018-05-25 |
| CN108071757B true CN108071757B (en) | 2023-12-19 |
Family
ID=62157141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810077618.6A Active CN108071757B (en) | 2018-01-26 | 2018-01-26 | Six-speed gear box for electric drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108071757B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007000521A2 (en) * | 2005-05-10 | 2007-01-04 | Renault S.A.S | Transmission system comprising planetary gears |
| JP2007071287A (en) * | 2005-09-06 | 2007-03-22 | Hyundai Motor Co Ltd | Seven speed power train of automatic transmission for vehicle |
| CN107542863A (en) * | 2017-08-31 | 2018-01-05 | 綦江齿轮传动有限公司 | Three planet row hybrid power two-shift automatic speed variator assemblies |
| CN207830479U (en) * | 2018-01-26 | 2018-09-07 | 施照军 | A kind of six fast gear-boxes of electric drill |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100897261B1 (en) * | 2006-11-06 | 2009-05-14 | 현대자동차주식회사 | Eight speed powertrain of automatic transmission for vehicle |
| JP5194589B2 (en) * | 2007-07-03 | 2013-05-08 | アイシン・エィ・ダブリュ株式会社 | Automatic transmission |
-
2018
- 2018-01-26 CN CN201810077618.6A patent/CN108071757B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007000521A2 (en) * | 2005-05-10 | 2007-01-04 | Renault S.A.S | Transmission system comprising planetary gears |
| JP2007071287A (en) * | 2005-09-06 | 2007-03-22 | Hyundai Motor Co Ltd | Seven speed power train of automatic transmission for vehicle |
| CN107542863A (en) * | 2017-08-31 | 2018-01-05 | 綦江齿轮传动有限公司 | Three planet row hybrid power two-shift automatic speed variator assemblies |
| CN207830479U (en) * | 2018-01-26 | 2018-09-07 | 施照军 | A kind of six fast gear-boxes of electric drill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108071757A (en) | 2018-05-25 |
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