CN107269769B - Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion - Google Patents
Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion Download PDFInfo
- Publication number
- CN107269769B CN107269769B CN201710662656.3A CN201710662656A CN107269769B CN 107269769 B CN107269769 B CN 107269769B CN 201710662656 A CN201710662656 A CN 201710662656A CN 107269769 B CN107269769 B CN 107269769B
- Authority
- CN
- China
- Prior art keywords
- gear
- tooth
- box
- spur gear
- shaft
- 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.)
- Active
Links
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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a miniature plastic gear reduction box with adjustable speed reduction ratio and torsion. A fourth multi-tooth straight gear and a worm gear are sleeved and connected on a first gear shaft of the reduction box; the first multi-tooth straight gear is connected to the rotating shaft of the driving piece and meshed with the fourth multi-tooth straight gear; a fifth multi-tooth straight gear, a multi-tooth helical gear and a second multi-tooth straight gear are sleeved on the second gear shaft in sequence, and one end of the second gear shaft with the fifth multi-tooth straight gear penetrates out of the box body; the multi-tooth helical gear and the second multi-tooth straight gear are connected and can rotate relative to the second gear shaft; the multi-tooth helical gear is meshed with the worm gear; the third gear shaft is sleeved with a third multi-tooth spur gear and a sixth multi-tooth spur gear; the sixth multi-tooth spur gear is meshed with the second multi-tooth spur gear, and the third multi-tooth spur gear is meshed with the fifth multi-tooth spur gear. The reduction gearbox has the advantages of less gears and less processing and assembling procedures.
Description
Technical Field
The invention relates to the field of speed reduction, in particular to a miniature plastic gear reduction box with adjustable speed reduction ratio and torsion.
Background
The miniature gear reduction box with adjustable speed reduction ratio and torsion, which is applied to 3D printing pen driving plastic wires, cradle head driving of civil security cameras, mechanical driving of electronic intelligent locks, joint driving of toy robots and the like, is of an all-metal structure, and if the miniature gear reduction box is required to achieve a large-multiple large reduction ratio, more gears are required, the assembly is complex, the processing is difficult, the cost is high, and the service life of the gears is low.
Disclosure of Invention
Based on the above, it is necessary to provide a miniature plastic gear reduction box with adjustable speed reduction ratio and torsion with less gears and fewer processing and assembly procedures.
The miniature plastic gear reduction box comprises a box body, a driving piece, a first multi-tooth straight gear, a second multi-tooth straight gear, a third multi-tooth straight gear, a fourth multi-tooth straight gear, a worm gear, a multi-tooth helical gear, a fifth multi-tooth straight gear, a sixth multi-tooth straight gear, a first gear shaft, a second gear shaft and a third gear shaft, wherein the driving piece, the first multi-tooth straight gear, the second multi-tooth straight gear, the third multi-tooth straight gear, the fourth multi-tooth straight gear, the worm gear, the multi-tooth helical gear, the fifth multi-tooth straight gear, the sixth multi-tooth straight gear, the first gear shaft, the second gear shaft and the third gear shaft are arranged in the box body;
the fourth multi-tooth straight gear and the worm gear are sleeved and connected on the first gear shaft; the first multi-tooth straight gear is connected to the rotating shaft of the driving piece, and is meshed with the fourth multi-tooth straight gear;
the second gear shaft is sequentially sleeved with the fifth multi-tooth straight gear, the multi-tooth helical gear and the second multi-tooth straight gear, the fifth multi-tooth straight gear is in sleeve connection with the second gear shaft, and one end of the second gear shaft with the fifth multi-tooth straight gear penetrates through the outer part of the box body; the multi-tooth helical gear and the second multi-tooth spur gear are connected and can rotate relative to the second gear shaft; the multi-tooth helical gear is meshed with the worm gear;
the third multi-tooth spur gear and the sixth multi-tooth spur gear are sleeved and connected on the third gear shaft; the sixth multi-tooth spur gear is meshed with the second multi-tooth spur gear, and the third multi-tooth spur gear is meshed with the fifth multi-tooth spur gear.
In one embodiment, the device further comprises a sharp gear, the outer wall of the box body is hinged with the auxiliary wheel, the sharp gear is located outside the box body and sleeved on the second gear shaft, and a feeding interval is arranged between the sharp gear and the auxiliary wheel.
In one embodiment, the case body includes a gear case shell and a gear case bottom shell, the gear case shell and the gear case bottom shell each have a receiving groove, and the gear case shell and the gear case bottom shell are connected in a matching manner and then enclose a receiving cavity.
In one embodiment, the outer wall of the gear case shell is provided with a material passing lug, the material passing lug penetrates through a material passing channel, the outer walls of the gear case shell opposite to the material passing lug are provided with abdicating grooves, the bottom surfaces of the abdicating grooves are respectively opened and respectively communicated with the material passing channel, the sharp tooth wheel part is positioned in one of the abdicating grooves, and the auxiliary wheel part is positioned in the other abdicating groove.
In one embodiment, the gear case housing and the gear case bottom housing are snap fit.
In one embodiment, the edge of the gear case bottom shell is provided with a plurality of buckles, the corresponding positions of the gear case surface shell are provided with clamping grooves, and the gear case bottom shell is clamped in the clamping grooves through the buckles to be connected with the gear case surface shell.
In one embodiment, the gear case shell and the gear case bottom shell are also provided with connecting holes, and the gear case shell and the gear case bottom shell are connected by inserting fasteners into the connecting holes.
In one embodiment, the gear case housing and the gear case bottom housing are both plastic housings.
In one embodiment, the radial section of the end part of the second gear shaft connected with the bevel gear is square;
the box body is hinged with a box body through a hinge, and the box body is also provided with a bevel gear; the sharp-tooth wheel is positioned outside the box body and sleeved on the second gear shaft, and a feeding interval is arranged between the sharp-tooth wheel and the auxiliary wheel.
In one embodiment, the pinion gear, the first multi-tooth spur gear, the second multi-tooth spur gear, the third multi-tooth spur gear, the fourth multi-tooth spur gear, the worm gear, the multi-tooth helical gear, the fifth multi-tooth spur gear, and the sixth multi-tooth spur gear are all plastic gears.
The miniature plastic gear reduction box with adjustable speed reduction ratio and torsion force is introduced into a primary worm gear for speed reduction, so that the number of gears is reduced, the processing and assembly procedures are simplified, and a solution with adjustable speed reduction ratio and torsion force is provided on the aspects of functions and cost performance. The miniature plastic gear reduction box with adjustable speed reduction ratio and torsion has the advantages that the torsion can be adjusted by the speed reduction ratio in the small-size box body, the cost is low, and the service life of the gear is long.
Drawings
FIG. 1 is a schematic diagram of a miniature plastic gear reduction box with adjustable speed ratio and torsion force in one embodiment;
FIG. 2 is an exploded view of the miniature plastic gear reduction box of FIG. 1 with adjustable speed ratio and torsion;
FIG. 3 is a schematic view of the miniature plastic gear reduction box of FIG. 1 with the box body removed and with the torque force adjustable;
FIG. 4 is another angular schematic view of the structure of FIG. 3;
FIG. 5 is a schematic diagram of a miniature plastic gear reduction box with adjustable speed ratio and torsion in accordance with another embodiment;
FIG. 6 is an exploded view of the miniature plastic gear reduction box of FIG. 5 with adjustable speed ratio and torsion;
FIG. 7 is a schematic view of the adjustable speed ratio and torque miniature plastic gear reduction box of FIG. 6 with the box body removed;
fig. 8 is another angular schematic view of the structure shown in fig. 7.
Description of the reference numerals
10. A miniature plastic gear reduction box with adjustable speed reduction ratio and torsion; 110. a drive motor; 120. a first multi-tooth spur gear; 130. a fourth multi-tooth spur gear; 140. a worm gear; 150. a multi-tooth helical gear; 160. a second multi-tooth spur gear, 170, a sixth multi-tooth spur gear; 180. a third multi-tooth spur gear; 190. a fifth multi-tooth spur gear 190; 210. a first gear shaft; 220. a second gear shaft; 230. a third gear shaft; 310. a gear box bottom shell; 311. a buckle; 320. a gear case housing; 321. a material passing bump; 3211. a material passing channel; 410. raw material plastic silk; 510. a pinion gear; 520. an auxiliary wheel;
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, the present embodiment relates to a miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion. The miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion force comprises a box body, a driving piece 110, a first multi-tooth straight gear 120, a second multi-tooth straight gear 160, a third multi-tooth straight gear 180, a fourth multi-tooth straight gear 130, a worm gear 140, a multi-tooth helical gear 150, a fifth multi-tooth straight gear 190, a sixth multi-tooth straight gear 170, a first gear shaft 210, a second gear shaft 220, a third gear shaft 230, a sharp gear 510 and an auxiliary wheel 520. In this embodiment, the driving member may be an N20 driving motor.
Referring to fig. 1 and 2, the driving member 110, the first multi-tooth spur gear 120, the second multi-tooth spur gear 160, the third multi-tooth spur gear 180, the fourth multi-tooth spur gear 130, the worm gear 140, the multi-tooth helical gear 150, the fifth multi-tooth spur gear 190, the sixth multi-tooth spur gear 170, the first gear shaft 210, the second gear shaft 220, and the third gear shaft 230 are all located in the housing. The outer wall of the case is hinged with an auxiliary wheel 520.
Referring to fig. 2-4, the fourth multi-tooth spur gear 130 and the worm gear 140 are sleeved on the first gear shaft 210; the first multi-tooth spur gear 120 is connected to the rotation shaft of the driving member 110, and the first multi-tooth spur gear 120 is meshed with the fourth multi-tooth spur gear 130. The first gear shaft 210 is sleeved with a combined gear set formed by combining the fourth multi-tooth spur gear 130 and the worm gear 140; this design avoids the disadvantages of conventional direct mounting of the worm gear on the rotating shaft of the drive miniature motor, which would result in longitudinal compression or traction forces on the motor affecting motor life and output efficiency.
Referring to fig. 2-4, the second gear shaft 220 is sequentially sleeved with the pinion 510, the fifth multi-tooth spur gear 190, the multi-tooth helical gear 150, and the second multi-tooth spur gear 160, and the pinion 510 and the fifth multi-tooth spur gear 190 are all sleeved with the second gear shaft 220. The tine wheel 510 is located outside the box with a feed gap from the auxiliary wheel 520.
Referring to fig. 2-4, the multi-tooth helical gear 150 and the second multi-tooth spur gear 160 are connected and are each rotatable relative to the second gear shaft 220. The multi-tooth bevel gear 150 meshes with the worm gear 140. This design avoids the disadvantages of conventional direct mounting of the worm gear on the shaft of the drive miniature motor, which would result in longitudinal compression or traction forces on the motor affecting motor life and output efficiency.
Referring to fig. 2-4, the third multi-tooth spur gear 180 and the sixth multi-tooth spur gear 170 are sleeved on the third gear shaft 230. The sixth multi-tooth spur gear 170 is meshed with the second multi-tooth spur gear 160, and the third multi-tooth spur gear 180 is meshed with the fifth multi-tooth spur gear 190. Through multistage deceleration, the large-scale deceleration output is skillfully realized in a small space. Further, referring to fig. 2, the box body includes a gear case housing 320 and a gear case bottom housing 310, the gear case housing 320 and the gear case bottom housing 310 each have a receiving groove, and the gear case housing 320 and the gear case bottom housing 310 are cooperatively connected to enclose a receiving cavity.
The outer wall of the gear case housing 320 is hinged with the auxiliary wheel 520, and the tine wheel 510 is positioned on the outer wall of the gear case housing 320.
Further, referring to fig. 2, the outer wall of the gear case housing 320 has a material passing protrusion 321, and the material passing protrusion 321 is penetrated by a material passing channel 3211 for passing the raw material plastic filaments 410. The outer walls of the material passing protruding blocks 321 opposite to each other are respectively provided with an abdication groove, the bottom surfaces of the abdication grooves are respectively opened and are respectively communicated with the material passing channel 3211, the sharp tooth wheel 510 is partially positioned in one abdication groove, and the auxiliary wheel 520 is partially positioned in the other abdication groove.
Further, referring to fig. 2, the gear case housing 320 and the gear case bottom housing 310 are fitted with each other. In one embodiment, the edge of the gear case bottom shell 310 is provided with a plurality of buckles 311, the corresponding position of the gear case surface shell 320 is provided with a clamping groove, and the gear case bottom shell 310 is clamped in the clamping groove through the buckles 311 to realize connection with the gear case surface shell 320. The design simplifies the production and assembly procedures, so that the production becomes simpler and the cost is lower.
Preferably, referring to fig. 2, the gear case housing 320 and the gear case bottom housing 310 further have connection holes, and the gear case housing 320 and the gear case bottom housing 310 are connected by inserting fasteners into the connection holes.
Further, referring to fig. 2, the radial cross section of the end of the second gear shaft 220 to which the tine wheel 510 is coupled is square.
Preferably, the gear case housing 320 and the gear case bottom housing 310 are both plastic housings. The tine wheel 510, the first multi-tooth spur gear 120, the second multi-tooth spur gear 160, the third multi-tooth spur gear 180, the fourth multi-tooth spur gear 130, the worm gear 140, the multi-tooth helical gear 150, the fifth multi-tooth spur gear 190, and the sixth multi-tooth spur gear 170 are all plastic gears. The plastic gear can select engineering plastics with different grades according to the output load strength and service life requirements.
The miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion force can be used on a 3D printing pen.
Further, referring to fig. 5 to 8, when the above-mentioned micro plastic gear reduction box 10 with adjustable speed-reducing ratio and torsion is provided with the pinion 510 and the auxiliary wheel 520 removed, the radial cross section of the outward end of the second gear shaft 220 is configured in a D shape, so that the entire micro plastic gear reduction box 10 with adjustable speed-reducing ratio and torsion can be used for a smart door lock.
When the above-mentioned gear in the miniature plastic gear reduction box 10 with adjustable speed-reducing ratio and torsion is of the following type and specification: in the embodiment, the worm gear is a worm gear with the outer diameter of 0.5 die and 6 mm; in the embodiment, a first 0.5 die 8-tooth straight gear is adopted as a first multi-tooth straight gear, a second 0.5 die 8-tooth straight gear is adopted as a second multi-tooth straight gear, a third 0.5 die 8-tooth straight gear is adopted as a third multi-tooth straight gear, a 0.5 die 20-tooth straight gear is adopted as a fourth multi-tooth straight gear, and a 0.5 die 22-tooth helical gear is adopted as a multi-tooth helical gear; the fifth multi-tooth spur gear adopts a first 0.5 die 28-tooth spur gear, the sixth multi-tooth spur gear adopts a second 0.5 die 28-tooth spur gear, and the reduction ratio of the miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion is as follows: 20/8 x 22 x 28/10 x 28/10= 431.2 times. When other reduction ratios are needed, the number of gear teeth of the corresponding first multi-tooth spur gear, second multi-tooth spur gear, third multi-tooth spur gear, fourth multi-tooth spur gear, multi-tooth helical gear, fifth multi-tooth spur gear and sixth multi-tooth spur gear is only needed to be adjusted.
The miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion force is introduced into a primary worm gear for speed reduction, so that the number of gears is reduced, the processing and assembly procedures are simplified, and a solution with adjustable speed reduction ratio and torsion force is provided in terms of functions and cost performance. The miniature plastic gear reduction box 10 with adjustable speed reduction ratio and torsion force realizes the adjustable speed reduction ratio and torsion force in a small-size box body, and has low cost and long service life of gears.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The miniature plastic gear reduction box is characterized by comprising a box body, a driving piece, a first multi-tooth spur gear, a second multi-tooth spur gear, a third multi-tooth spur gear, a fourth multi-tooth spur gear, a worm gear with adjustable outer diameter, a multi-tooth helical gear, a fifth multi-tooth spur gear, a sixth multi-tooth spur gear, a first gear shaft, a second gear shaft and a third gear shaft, wherein the driving piece, the first multi-tooth spur gear, the second multi-tooth spur gear, the third multi-tooth spur gear, the fourth multi-tooth spur gear, the worm gear, the multi-tooth helical gear, the fifth multi-tooth spur gear, the sixth multi-tooth spur gear, the first gear shaft, the second gear shaft and the third gear shaft are arranged in the box body;
the fourth multi-tooth straight gear and the worm gear are sleeved and connected on the first gear shaft; the first multi-tooth straight gear is connected to the rotating shaft of the driving piece, and is meshed with the fourth multi-tooth straight gear;
the second gear shaft is sequentially sleeved with the fifth multi-tooth straight gear, the multi-tooth helical gear and the second multi-tooth straight gear, the fifth multi-tooth straight gear is in sleeve connection with the second gear shaft, and one end of the second gear shaft with the fifth multi-tooth straight gear penetrates through the outer part of the box body; the multi-tooth helical gear and the second multi-tooth spur gear are connected and can rotate relative to the second gear shaft; the multi-tooth helical gear is meshed with the worm gear;
the third multi-tooth spur gear and the sixth multi-tooth spur gear are sleeved and connected on the third gear shaft; the sixth multi-tooth spur gear is meshed with the second multi-tooth spur gear, and the third multi-tooth spur gear is meshed with the fifth multi-tooth spur gear;
the miniature plastic gear reduction box with adjustable speed reduction ratio and torsion force further comprises a bevel gear, the outer wall of the box body is hinged with an auxiliary wheel, the bevel gear is positioned outside the box body and sleeved on the second gear shaft, and a feeding interval is arranged between the bevel gear and the auxiliary wheel.
2. The miniature plastic gear reduction box with adjustable speed reduction ratio and torsion according to claim 1, wherein the box body comprises a gear box surface shell and a gear box bottom shell, the gear box surface shell and the gear box bottom shell are provided with accommodating grooves, and the gear box surface shell and the gear box bottom shell are connected in a matching way to form an accommodating cavity.
3. The miniature plastic gear reduction box with adjustable speed reduction ratio and torsion according to claim 2, wherein the outer wall of the gear box surface shell is provided with a material passing lug, the material passing lug penetrates through a material passing channel, opposite outer walls of the material passing lug are provided with yield grooves, the bottom surfaces of the yield grooves are respectively opened and respectively communicated with the material passing channel, the sharp tooth wheel part is positioned in one yield groove, and the auxiliary wheel part is positioned in the other yield groove.
4. The adjustable speed ratio torsion-adjustable miniature plastic gear reduction box according to claim 2, wherein the gear box housing and the gear box bottom shell are embedded and matched.
5. The miniature plastic gear reduction box with adjustable speed reduction ratio and torsion according to claim 4, wherein a plurality of buckles are arranged on the edge of the gear box bottom shell, clamping grooves are arranged at corresponding positions of the gear box surface shell, and the gear box bottom shell is clamped in the clamping grooves through the buckles to achieve connection with the gear box surface shell.
6. The miniature plastic gear reduction box with adjustable speed and torque according to claim 2, wherein the gear box surface shell and the gear box bottom shell are also provided with connecting holes, and the gear box surface shell and the gear box bottom shell are inserted into the connecting holes through fasteners to realize connection.
7. The adjustable speed ratio and torque miniature plastic gear reduction box according to claim 2, wherein the gear box housing and the gear box bottom shell are both plastic housings.
8. The adjustable speed ratio and torque miniature plastic gear reduction box according to any one of claims 1-7, wherein the radial cross section of the end of the second gear shaft connected with the bevel gear is square.
9. The adjustable speed ratio torsion-adjustable miniature plastic gear reduction box according to any one of claims 1 to 7, wherein the pinion gear, the first multi-tooth spur gear, the second multi-tooth spur gear, the third multi-tooth spur gear, the fourth multi-tooth spur gear, the worm gear, the multi-tooth helical gear, the fifth multi-tooth spur gear, and the sixth multi-tooth spur gear are all plastic gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662656.3A CN107269769B (en) | 2017-08-04 | 2017-08-04 | Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662656.3A CN107269769B (en) | 2017-08-04 | 2017-08-04 | Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107269769A CN107269769A (en) | 2017-10-20 |
| CN107269769B true CN107269769B (en) | 2023-08-01 |
Family
ID=60076041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710662656.3A Active CN107269769B (en) | 2017-08-04 | 2017-08-04 | Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107269769B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102057183B (en) * | 2008-06-06 | 2013-07-31 | 利纳克有限公司 | Gear with at least two gearing stages, a linear actuator comprising such a gear and a table leg comrising such a linear actuator |
| CN203656061U (en) * | 2013-10-28 | 2014-06-18 | 瓯宝安防科技股份有限公司 | Reduction gearbox for door closer |
| CN204906100U (en) * | 2015-08-12 | 2015-12-23 | 武汉赫天光电股份有限公司 | Take integral type motor of reducing gear box |
| CN204928463U (en) * | 2015-09-09 | 2015-12-30 | 日本电产凯宇汽车电器（江苏）有限公司 | Footboard motor decelerator |
| CN105443662B (en) * | 2016-01-14 | 2018-11-09 | 廖伟生 | Right angle reversing power plant and 3D printing pen |
| CN205767524U (en) * | 2016-03-25 | 2016-12-07 | 胡微 | 3D prints a feed mechanism |
| CN207297749U (en) * | 2017-08-04 | 2018-05-01 | 唐郁 | The miniature plastic cement gear reduction box of adjustable speed reducing ratio torsion-adjustable |
-
2017
- 2017-08-04 CN CN201710662656.3A patent/CN107269769B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107269769A (en) | 2017-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103322137B (en) | Multi-stage planetary drive | |
| US10495206B2 (en) | Internal ring gear, driving assembly and application device | |
| CN103939532A (en) | Harmonic speed reducer | |
| CN107269769B (en) | Miniature plastic gear reduction box with adjustable speed reduction ratio and torsion | |
| CN105073347A (en) | A gearbox for a power tool and a power tool with such a gearbox | |
| CN111750008B (en) | Electronic parking brake actuator with double gears | |
| CN217951188U (en) | Miniature planetary gear speed reducing motor | |
| CN207297749U (en) | The miniature plastic cement gear reduction box of adjustable speed reducing ratio torsion-adjustable | |
| US11701768B2 (en) | Electric power tool | |
| CN101303446A (en) | Optimized zoom lens gear wheel drive module and zoom lens using the module | |
| CN210679745U (en) | Drive device | |
| CN203257991U (en) | Harmonic wave speed reducer | |
| CN114450507A (en) | Toy differential mechanism | |
| CN203130996U (en) | Planetary gear system | |
| CN209443948U (en) | Micromotor mould group and a kind of lockset | |
| CN210566147U (en) | Four-axis double-line transmission reduction gearbox | |
| CN218030737U (en) | Oscillating gearbox for fan | |
| CN219605958U (en) | Planetary gear box with planetary gear limiting function | |
| CN212278056U (en) | Reciprocating rotary motor transmission device | |
| CN211175257U (en) | Planetary reducer with gear rack transmission | |
| CN212899596U (en) | Transmission device for electric push rod | |
| CN210686904U (en) | Split type plastic gear | |
| CN220890996U (en) | Gear transmission module | |
| CN213298722U (en) | Planetary spiral linear reciprocating mechanism | |
| CN217583049U (en) | Six-stage transmission gear set of stepping motor and stepping motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |