CN115013509A - Multifunctional electric tool speed change gear box - Google Patents
Multifunctional electric tool speed change gear box Download PDFInfo
- Publication number
- CN115013509A CN115013509A CN202210692531.6A CN202210692531A CN115013509A CN 115013509 A CN115013509 A CN 115013509A CN 202210692531 A CN202210692531 A CN 202210692531A CN 115013509 A CN115013509 A CN 115013509A
- Authority
- CN
- China
- Prior art keywords
- gear
- electric tool
- cylinder
- gear box
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 230000035515 penetration Effects 0.000 claims description 7
- 239000000428 dust Substances 0.000 abstract description 5
- 238000005299 abrasion Methods 0.000 abstract description 2
- 240000007643 Phytolacca americana Species 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 8
- 239000004519 grease Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
-
- 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
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention provides a multifunctional electric tool speed change gear box, which comprises a shell, wherein a rotating disc is movably embedded in the left side of the interior of the shell, and a planetary gear is connected to the outer side of the right surface of the rotating disc in a shaft mode; an assembly shaft is embedded in the middle of the right end of the rotating disc, and a driving gear and a transmission gear are sleeved on the right side of the outer wall of the assembly shaft; the middle part of the left end of the driving gear is movably embedded with a transmission gear, and the outer side of the transmission gear is meshed with the planet gear. The arrangement of the sliding plate and the sealing gasket can seal and prevent dust at the through hole of the protective rubber plate, thereby avoiding the dust from entering the shell cylinder to cause great abrasion to the transmission member.
Description
Technical Field
The invention belongs to the technical field of electric tool transmission parts, and particularly relates to a multifunctional electric tool speed change gear box.
Background
Electric tool generally wraps up instruments such as electric drill electric saw, thereby ordinary change gear box can install in electric tool's drive department and cooperate the connection of work piece to increase the moment of torsion of electric tool drive department and carry out work thereupon and use, application number is: CN 201020606660.1's an electric tool change speed gear case, including one-level gear box and second grade gear box, the shaping has the accepting nest on the one-level gear box, the ring gear locating piece of shifting is acceptd in accepting the nest, the shaping has the dog with the fixture block matched with on the ring gear of shifting on the ring gear locating piece of shifting, the shaping has the rounding on the lug, one-level gear box and second grade gear box pass through screw fixed connection together, the screw card system is in the rounding, need just can supply lubricating grease to whole dismantlement when current change speed gear box uses for a long time after the maintenance, change speed gear box and drive department can only be connected the motor of appointed model and just can use, and caused the easy dust that gets into of the regulation department of change speed gear box and caused wearing and tearing to the driving piece.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multifunctional electric tool speed change gear box, which can realize the dustproof protection of the adjustment position of the speed change gear box in the process of not influencing the adjustment, can supplement lubricating grease for maintenance under the condition of not disassembling in the maintenance process, and can adjust the connection position of the speed change gear box and a driving piece to be suitable for the assembly maintenance of motors of different models.
The technical scheme is as follows: a multifunctional electric tool speed change gear box comprises a shell, wherein a rotating disc is movably embedded in the left side of the interior of the shell, and a planetary gear is connected to the outer side of the right surface of the rotating disc in a shaft mode; an assembly shaft is embedded in the middle of the right end of the rotating disc, and a driving gear and a transmission gear are sleeved on the right side of the outer wall of the assembly shaft; the middle part of the left end of the driving gear is movably embedded with a transmission gear, and the outer side of the transmission gear is meshed with the planet gear; a driving disc is movably embedded on the right side inside the shell, an assembling cylinder is movably embedded on the outer side of the left side inside the driving disc, and a ring gear is connected to the left end of the assembling cylinder through a bolt; the middle part of the right end of the driving disc is integrally provided with a thread head; a clamping seat is integrally arranged above the inner part of the shell barrel, and a protective rubber plate is arranged at the upper end of the clamping seat through a bolt; a U-shaped poke rod is axially connected above the inside of the shell barrel, and the front part and the rear part of the inner side of the U-shaped poke rod are inserted into the outer side of the ring gear; the upper end of the shell cylinder is supported with a dust-blocking protection plate seat structure; the outer wall of the planet gear is sleeved with a ring gear; a supplementary push-filling cylinder structure is supported on the right side of the lower end of the shell cylinder; the left end of the rotating disc is supported with an assembly driving cylinder structure; the upper part and the lower part on the left side of the inner wall of the shell are both in threaded connection with an arc-shaped plate, and the left end of the arc-shaped plate is in bolted connection with the rotating cover; the lower part of the limiting bar is inserted with a sliding plate; the lower surface of the sliding plate is glued with a sealing gasket; the middle parts of the sliding plate and the sealing gasket are glued with a penetration frame, and U-shaped poking rods are penetrated and inserted into the front side and the rear side of the inside of the penetration frame.
Preferably, the support strip and the limiting strip are assembled to form an inverted L shape, and the support strip is installed on the front side and the rear side of the upper end of the shell barrel through bolts.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, the rotating cover and the arc-shaped plate are arranged and are disassembled and assembled with the shell cylinder after being screwed so as to overhaul and replace parts.
In the invention, the arrangement of the support long strip and the limiting strip can stably install and movably use the sliding plate.
According to the invention, the arrangement of the sliding plate and the sealing gasket seals and prevents dust at the through hole of the protective rubber plate, so that the phenomenon that dust enters the shell cylinder to cause great abrasion to a transmission member is avoided.
In the invention, the penetrating frame is arranged to be matched with the joint of the U-shaped poke rod and the sliding plate for sealing protection.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the dust-proof protection plate seat structure of the present invention.
Fig. 3 is a schematic structural diagram of a supplementary push-filling cartridge structure of the present invention.
Fig. 4 is a schematic structural diagram of an assembly driving barrel structure of the present invention.
In the figure:
1. a shell; 2. rotating the disc; 3. a planetary gear; 4. assembling a shaft; 5. driving the gear; 6. a transmission gear; 7. an assembly cartridge; 8. driving the disc; 9. a screw head; 10. a card holder; 11. protecting the rubber plate; 12. a U-shaped poke rod; 13. a dust-shielding protection plate seat structure; 131. a support strip; 132. a restriction strip; 133. a sliding plate; 134. a gasket; 135. inserting the frame; 14. a ring gear; 15. supplementing a push filling cylinder structure; 151. a main barrel; 152. an operating cover; 153. a cover cavity; 154. assembling the head; 155. a piston head; 156. driving the rod; 16. assembling a driving cylinder structure; 161. sleeving a joint; 162. mounting grooves; 163. a support screw; 164. an anti-slip head; 165. a clamping seat; 166. a stabilizing slot; 17. rotating the cover; 171. an arc-shaped plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in the attached figure 1, the multifunctional electric tool speed change gear box comprises a shell barrel 1, wherein a rotating disc 2 is movably embedded in the left side inside the shell barrel 1, and a planetary gear 3 is axially connected to the outer side of the right surface of the rotating disc 2; an assembly shaft 4 is embedded in the middle of the right end of the rotating disc 2, and a driving gear 5 and a transmission gear 6 are sleeved on the right side of the outer wall of the assembly shaft 4; a transmission gear 6 is movably embedded in the middle of the left end of the driving gear 5, and the outer side of the transmission gear 6 is meshed with the planet gear 3; a driving disc 8 is movably embedded on the right side inside the shell barrel 1, an assembling barrel 7 is movably embedded on the outer side of the left side inside the driving disc 8, and a ring gear 14 is connected to the left end of the assembling barrel 7 through a bolt; a thread head 9 is integrally arranged at the middle part of the right end of the driving disc 8; a clamping seat 10 is integrally arranged above the inner part of the shell barrel 1, and a protective rubber plate 11 is installed at the upper end of the clamping seat 10 through a bolt; a U-shaped poke rod 12 is axially connected to the upper part inside the shell barrel 1, and the front part and the rear part of the inner side of the U-shaped poke rod 12 are inserted into the outer side of the ring gear 14; the upper end of the shell barrel 1 is supported with a dust-proof protection plate seat structure 13; the outer wall of the planet gear 3 is sleeved with a ring gear 14; a supplementary push-filling cylinder structure 15 is supported on the right side of the lower end of the shell cylinder 1; the left end of the rotating disc 2 is supported with an assembly driving cylinder structure 16; the upper part and the lower part on the left side of the inner wall of the shell barrel 1 are both in threaded connection with an arc plate 171, and meanwhile, the left end of the arc plate 171 is in bolted connection with the rotating cover 17.
As shown in fig. 2, in the above embodiment, specifically, the dust-blocking protection plate seat structure 13 includes a supporting strip 131 and a limiting strip 132, the supporting strip 131 is welded to the outer side of the lower end of the limiting strip 132; and a sliding plate 133 is inserted into the lower part of the restriction bar 132; the movable U-shaped poke rod 12 in the process of speed change drives the inserting frame 135, the sealing gasket 134 and the sliding plate 133 to slide between the support strip 131 and the limiting strip 132 for use; the lower surface of the sliding plate 133 is glued with a sealing gasket 134; a penetration frame 135 is glued to the middle part inside the sliding plate 133 and the sealing gasket 134, and the U-shaped tap lever 12 is penetrated and inserted into the front and rear sides inside the penetration frame 135.
As shown in fig. 3, in the above embodiment, specifically, the supplementary push-filling cylinder structure 15 includes a main cylinder 151 and an operating cover 152, a cover cavity 153 is opened above the inside of the operating cover 152, and a lower end of the main cylinder 151 is connected to the cover cavity 153 by a thread; a driving rod 156 is mounted on a lower bolt of the inner wall of the cover cavity 153; an assembly head 154 is mounted at the upper end of the driving rod 156 through a bolt, and a piston head 155 is embedded outside the assembly head 154; the inside of the housing tube 1 is filled through the main tube 151, and then the operation cap 152 is operated to cooperate with the carry-on rod 156 to insert the assembly head 154 and the piston head 155 into the main tube 151 and then to push the grease into the housing tube 1 for filling and complete maintenance.
As shown in fig. 4, in the above embodiment, specifically, the assembly driving cylinder structure 16 includes a socket 161 and a mounting groove 162, the mounting groove 162 is formed in the middle of the left side inside the socket 161, and the front side, the rear side, the upper side and the lower side inside the socket 161 are both connected with the supporting screws 163 in a threaded manner; the anti-skid head 164 is operated to drive the supporting screw 163 to move in the sleeve joint 161, so as to drive the clamping seat 165 to fasten the output shaft of the motor to complete the assembly; one end of the supporting screw 163 is provided with an anti-skid head 164 by a bolt, and the other end is movably embedded with a clamping seat 165; a stabilizing groove 166 is formed in the left side of the inner portion of the socket 161, and a clamping seat 165 and a supporting screw 163 are inserted into the stabilizing groove 166.
In the above embodiment, specifically, the sealing pad 134 at the lower end of the sliding plate 133 is made of rubber pad, and the sliding plate 133 is matched with the supporting strip 131 and the limiting strip 132.
In the above embodiment, specifically, the main cylinder 151 is screwed to the right of the lower side inside the casing 1, and the opening at the lower part of the main cylinder 151 is sealed by the operating cover 152, so that the lubricating maintenance can be performed by supplying grease without disassembling.
In the above embodiment, in particular, the piston head 155 is supported by the carrying rod 156, and the piston head 155 is adapted to the main cylinder 151, so as to push and press grease into the housing cylinder 1.
In the above embodiment, specifically, the sleeve joint 161 passes through the rotating cover 17 and is installed at the left end of the rotating disc 2 by bolts, and the clamping seat 165 is supported in the installation groove 162 inside the sleeve joint 161, so that the sleeve joint can be conveniently connected with motors of different models, and further the use of the motor of a specified model is avoided.
In the above embodiment, specifically, an arc-shaped groove is formed in the inner side of the clamping seat 165, a straight anti-slip pattern is carved in the groove, and the clamping seat 165 is movably connected through the supporting screw 163 to clamp and fix the connected motor output shaft.
Principle of operation
In the invention, a motor output shaft on an electric tool is inserted into the sleeve joint 161 in the connection process, then the anti-slip head 164 is operated to drive the supporting screw 163 to move in the sleeve joint 161, so as to drive the clamping seat 165 to fasten the motor output shaft to complete the assembly and use, the motor drives the rotating disc 2 and the planetary gear 3 to rotate through the sleeve joint 161 in the use process, the rotating planetary gear 3 drives the ring gear 14, the assembly cylinder 7, the driving disc 8 and the screw head 9 to rotate for use, the U-shaped poke rod 12 is pushed to move on the upper side of the shell cylinder 1 and drives the ring gear 14 to move to the outer wall of the driving gear 5 in the speed regulation process, so that the driving gear 5 and the transmission gear 6 are driven to rotate through the planetary gear 3, the driving gear 5 drives the ring gear 14, the assembly cylinder 7, the driving disc 8 and the screw head 9 to rotate again to complete the speed change, and the U-shaped poke rod 12 which moves in the speed change process can drive the penetration and insertion frame 135, The sealing pad 134 and the sliding plate 133 are slidably used between the support bar 131 and the limiting bar 132, and when the grease is replenished for maintenance, the interior of the housing tube 1 is filled through the main tube 151, and then the operation cover 152 is operated and the driving rod 156 is engaged to insert the assembly head 154 and the piston head 155 into the main tube 151 and then push the grease into the housing tube 1 for filling and complete maintenance.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.
Claims (7)
1. A multifunctional electric tool speed change gear box comprises a shell barrel (1), wherein a rotating disc (2) is movably embedded in the left side of the interior of the shell barrel (1), and a planetary gear (3) is coupled to the outer side of the right surface of the rotating disc (2); an assembly shaft (4) is embedded in the middle of the right end of the rotating disc (2), and a driving gear (5) and a transmission gear (6) are sleeved on the right side of the outer wall of the assembly shaft (4); a transmission gear (6) is movably embedded in the middle of the left end of the driving gear (5), and the outer side of the transmission gear (6) is meshed with the planetary gear (3); the upper end of the shell cylinder (1) is supported with a dust-proof protective plate seat structure (13); a supplementary push-filling cylinder structure (15) is supported on the right side of the lower end of the shell cylinder (1); an assembly driving cylinder structure (16) is supported at the left end of the rotating disc (2); the upper part and the lower part of the left side of the inner wall of the shell barrel (1) are both in threaded connection with an arc-shaped plate (171), and the left end of the arc-shaped plate (171) is in bolted connection with a rotating cover (17), and the dust-blocking protection plate seat structure (13) is characterized by comprising a support strip (131) and a limiting strip (132), wherein the support strip (131) is welded on the outer side of the lower end of the limiting strip (132); a sliding plate (133) is inserted into the lower part of the limiting bar (132); the lower surface of the sliding plate (133) is glued with a sealing gasket (134); the middle parts of the sliding plate (133) and the sealing gasket (134) are glued with a penetration frame (135), and the front side and the rear side of the inside of the penetration frame (135) are penetrated with U-shaped poking rods (12).
2. The multi-function electric tool change-speed gear box according to claim 1, wherein the supplementary push-fill cylinder structure (15) comprises a main cylinder (151) and an operating cover (152), a cover cavity (153) is opened above the inside of the operating cover (152), and the lower end of the main cylinder (151) is connected with the cover cavity (153) in a threaded manner; a driving rod (156) is installed on a lower bolt of the inner wall of the cover cavity (153); an assembly head (154) is mounted at the upper end of the driving rod (156) through a bolt, and a piston head (155) is embedded on the outer side of the assembly head (154).
3. The multifunctional electric tool change-speed gearbox according to claim 1, wherein the assembly driving barrel structure (16) comprises a socket joint (161) and a mounting groove (162), the mounting groove (162) is arranged in the middle of the left side inside the socket joint (161), and simultaneously, the front side, the rear side, the upper side and the lower side inside the socket joint (161) are both in threaded connection with supporting screws (163); one end of the supporting screw rod (163) is provided with an anti-skid head (164) by a bolt, and the other end is movably embedded with a clamping seat (165); all seted up stable groove (166) around the inside left side of socket joint (161) to it has clamp holder (165) and support screw (163) to alternate in stable groove (166).
4. The multi-function electric tool gear box according to claim 1, wherein the support bars (131) are assembled with the restriction bars (132) in an inverted L shape, and the support bars (131) are bolted to the front and rear sides of the upper end of the housing tube (1).
5. The multi-functional electric tool change gear box according to claim 2, wherein the main cylinder (151) is screw-coupled to the right of the lower side of the inside of the housing cylinder (1), and the opening of the lower portion of the main cylinder (151) is sealed by the operation cover (152).
6. The multi-function power tool change-speed gear box according to claim 2, wherein the piston head (155) is supported by the driving rod (156), and the piston head (155) is fitted to the main cylinder (151).
7. The multifunctional electric tool change gear box according to claim 3, characterized in that the socket joint (161) is bolt-mounted at the left end of the rotary disk (2) through the rotary cover (17), and a clamping seat (165) is supported in a mounting groove (162) inside the socket joint (161).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692531.6A CN115013509B (en) | 2022-06-17 | 2022-06-17 | Multifunctional electric tool speed change gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210692531.6A CN115013509B (en) | 2022-06-17 | 2022-06-17 | Multifunctional electric tool speed change gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115013509A true CN115013509A (en) | 2022-09-06 |
| CN115013509B CN115013509B (en) | 2023-12-01 |
Family
ID=83074371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210692531.6A Active CN115013509B (en) | 2022-06-17 | 2022-06-17 | Multifunctional electric tool speed change gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115013509B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090098975A1 (en) * | 2007-10-11 | 2009-04-16 | Wellcam Machinery Corp. | Hand-held rotating power tool |
| CN202684876U (en) * | 2012-05-02 | 2013-01-23 | 夏燃燃 | Novel gear case for electric tool |
| KR101378831B1 (en) * | 2013-05-06 | 2014-04-02 | 고등기술연구원연구조합 | Gear box assembly for electric tool and loose-proof structure of gear box cap and gear box housing |
| CN104907910A (en) * | 2015-06-04 | 2015-09-16 | 武汉市高雄电力设备有限公司 | High-efficiency pipe orifice polishing machine |
| CN205310190U (en) * | 2016-01-26 | 2016-06-15 | 正阳实业投资有限公司 | Electric tool with dust keeper |
| CN207309880U (en) * | 2017-10-24 | 2018-05-04 | 永康怀石工贸有限公司 | Hand-held type multifunctional swings cutting tool |
| CN207814354U (en) * | 2017-12-07 | 2018-09-04 | 东莞百事得电动工具有限公司 | A kind of electric tool gearbox speed switching device |
| CN108637320A (en) * | 2018-07-28 | 2018-10-12 | 张岩 | A kind of antioverloading electric drill |
| US20200223038A1 (en) * | 2019-01-10 | 2020-07-16 | Makita Corporation | Power tool |
| CN211362150U (en) * | 2019-12-18 | 2020-08-28 | 江苏大艺机电工具有限公司 | Dust-proof device of handheld electric tool |
| CN212004122U (en) * | 2020-02-26 | 2020-11-24 | 群胜科技（苏州）有限公司 | Multifunctional electric tool gear box |
| CN213498979U (en) * | 2020-09-24 | 2021-06-22 | 中山市远东电动工具有限公司 | Driving mechanism of electric tool |
| CN213981938U (en) * | 2020-09-16 | 2021-08-17 | 扬州佩明传动科技有限公司 | Speed change planetary gear box for electric tool |
-
2022
- 2022-06-17 CN CN202210692531.6A patent/CN115013509B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090098975A1 (en) * | 2007-10-11 | 2009-04-16 | Wellcam Machinery Corp. | Hand-held rotating power tool |
| CN202684876U (en) * | 2012-05-02 | 2013-01-23 | 夏燃燃 | Novel gear case for electric tool |
| KR101378831B1 (en) * | 2013-05-06 | 2014-04-02 | 고등기술연구원연구조합 | Gear box assembly for electric tool and loose-proof structure of gear box cap and gear box housing |
| CN104907910A (en) * | 2015-06-04 | 2015-09-16 | 武汉市高雄电力设备有限公司 | High-efficiency pipe orifice polishing machine |
| CN205310190U (en) * | 2016-01-26 | 2016-06-15 | 正阳实业投资有限公司 | Electric tool with dust keeper |
| CN207309880U (en) * | 2017-10-24 | 2018-05-04 | 永康怀石工贸有限公司 | Hand-held type multifunctional swings cutting tool |
| CN207814354U (en) * | 2017-12-07 | 2018-09-04 | 东莞百事得电动工具有限公司 | A kind of electric tool gearbox speed switching device |
| CN108637320A (en) * | 2018-07-28 | 2018-10-12 | 张岩 | A kind of antioverloading electric drill |
| US20200223038A1 (en) * | 2019-01-10 | 2020-07-16 | Makita Corporation | Power tool |
| CN211362150U (en) * | 2019-12-18 | 2020-08-28 | 江苏大艺机电工具有限公司 | Dust-proof device of handheld electric tool |
| CN212004122U (en) * | 2020-02-26 | 2020-11-24 | 群胜科技（苏州）有限公司 | Multifunctional electric tool gear box |
| CN213981938U (en) * | 2020-09-16 | 2021-08-17 | 扬州佩明传动科技有限公司 | Speed change planetary gear box for electric tool |
| CN213498979U (en) * | 2020-09-24 | 2021-06-22 | 中山市远东电动工具有限公司 | Driving mechanism of electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115013509B (en) | 2023-12-01 |
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