CN115013509B - Multifunctional electric tool speed change gear box - Google Patents
Multifunctional electric tool speed change gear box Download PDFInfo
- Publication number
- CN115013509B CN115013509B CN202210692531.6A CN202210692531A CN115013509B CN 115013509 B CN115013509 B CN 115013509B CN 202210692531 A CN202210692531 A CN 202210692531A CN 115013509 B CN115013509 B CN 115013509B
- Authority
- CN
- China
- Prior art keywords
- speed change
- shell
- electric tool
- gear box
- gear
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 8
- 239000004519 grease Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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)
- General Details Of Gearings (AREA)
- Retarders (AREA)
Abstract
The invention provides a multifunctional electric tool speed change gear box, which comprises a shell, wherein a rotating disc is movably embedded on the left side in the shell, and a planetary gear is axially arranged on the outer side of the right surface of the rotating disc; 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 is meshed with the planetary gear at the outer side of the transmission gear. According to the invention, the sliding plate and the sealing gasket are arranged to seal and prevent dust at the through hole of the protection rubber plate, so that the dust is prevented from entering the shell barrel to cause larger abrasion to the transmission part.
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
The electric tool generally wraps tools such as an electric drill and a saw, a common speed change gear box is arranged at a driving part of the electric tool to be matched with the connection of a workpiece, and the torque of the driving part of the electric tool is increased and then the electric tool is used for working, so that the application number is as follows: the utility model provides an electric tool gear box of CN201020606660.1, includes one-level gear box and second grade gear box, the shaping has the nest of acceping on the one-level gear box, gear shifting ring gear locating piece accepts in acceping the nest, gear shifting ring gear locating piece in-circle shaping have with the fixture block matched with on the gear shifting ring gear, gear shifting ring gear locating piece in-circle shaping have the lug, the shaping has the round to lack on the lug, one-level gear box and second grade gear box pass through screw fixed connection together, the screw block is in the round, it just can supplement lubricating grease to need whole dismantlement when maintaining after current gear box uses for a long time, gear box and drive department can only connect the motor of appointed model and just can use, and caused the too troublesome problem of maintenance and gear box's regulation department get into the dust easily and cause wearing and tearing to the driving medium.
Disclosure of Invention
In order to solve the technical problems, the invention provides a multifunctional electric tool speed change gear box, which realizes dust protection in the process of not influencing adjustment in the adjustment of the speed change gear box, can supplement lubricating grease for maintenance under the condition of not disassembling in the maintenance process, and can adjust the connection part with a driving piece to be suitable for assembly maintenance of motors of different models.
The technical scheme is as follows: the multifunctional electric tool speed change gear box comprises a shell, wherein a rotating disc is movably embedded on the left side inside the shell, and a planetary gear is axially arranged on the outer side of the right surface of the rotating disc; 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; a transmission gear is movably embedded in the middle part of the left end of the driving gear, and the transmission gear is meshed with the planetary gear at the outer side of the transmission gear; a driving disc is movably embedded on the right side of the inside of the shell barrel, an assembling barrel is movably embedded on the left outside of the inside of the driving disc, and a ring gear is connected with the left end of the assembling barrel through a bolt; a thread head is integrally arranged at the middle part of the right end of the driving disc; a clamping seat is integrally arranged above the inside of the shell barrel, and a protective rubber plate is mounted on an upper end bolt of the clamping seat; the upper part inside the shell barrel is connected with a U-shaped poking rod in a shaft way, and simultaneously, the front part and the rear part of the inner side of the U-shaped poking rod are inserted into the outer side of the ring gear; the upper end of the shell barrel is supported with a dust-blocking protection plate seat structure; the outer wall of the planetary gear is sleeved with a ring gear; the right side of the lower end of the shell cylinder is supported with a supplementary pushing and filling cylinder structure; the left end of the rotating disc is supported with an assembly driving cylinder structure; the upper part and the lower part of 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 connected with a rotating cover through a bolt; a sliding plate is inserted into the lower part of the limiting strip; the lower surface of the sliding plate is glued with a sealing gasket; the middle parts of the sliding plate and the inside of the sealing gasket are glued with an inserting frame, and the front side and the rear side of the inside of the inserting frame are inserted with U-shaped poking rods.
Preferably, the supporting strip and the limiting strip are assembled to form an inverted L shape, and the supporting strip is mounted 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 plate are arranged, and the rotating cover and the arc plate are disassembled and assembled with the shell barrel after being screwed to repair and replace parts.
In the invention, the support strip and the limiting strip are arranged to stably install and movably use the sliding plate.
In the invention, the sliding plate and the sealing gasket are arranged to seal and prevent dust at the through hole of the protection rubber plate, so that the dust is prevented from entering the shell barrel to cause larger abrasion to the transmission part.
In the invention, the penetrating frame is matched with the joint of the U-shaped poking 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 a dust-proof protection board seat structure of the present invention.
Fig. 3 is a schematic structural view of the supplementary push-fill cylinder structure of the present invention.
Fig. 4 is a schematic structural view of the assembled driving cylinder structure of the present invention.
In the figure:
1. a shell barrel; 2. a rotating disc; 3. a planetary gear; 4. assembling a shaft; 5. driving a gear; 6. a transmission gear; 7. assembling a barrel; 8. driving the disc; 9. a thread head; 10. a clamping seat; 11. a protective rubber plate; 12. a U-shaped toggle rod; 13. a dust-proof protective plate seat structure; 131. supporting the strip; 132. a restriction strip; 133. a sliding plate; 134. a sealing gasket; 135. inserting frames; 14. a ring gear; 15. a supplementary pushing and filling cylinder structure; 151. a main barrel; 152. an operation cover; 153. a cover cavity; 154. assembling the head; 155. a piston head; 156. a drive rod; 16. assembling a driving cylinder structure; 161. sleeving the joint; 162. a mounting groove; 163. a support screw; 164. an anti-slip head; 165. a clamping seat; 166. a stabilizing groove; 17. a rotary cover; 171. an arc-shaped plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
examples:
as shown in fig. 1, a multifunctional electric tool speed change gear box comprises a shell barrel 1, wherein a rotating disc 2 is movably embedded on the left side inside the shell barrel 1, and a planetary gear 3 is axially arranged on 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 part of the left end of the driving gear 5, and the transmission gear 6 is meshed with the planetary gear 3 at the outer side of the transmission gear 6; the right side of the inside of the shell barrel 1 is movably embedded with a driving disc 8, the left outside of the inside of the driving disc 8 is movably embedded with an assembling barrel 7, and the left end of the assembling barrel 7 is connected with a ring gear 14 through a bolt; a thread head 9 is integrally arranged in the middle of the right end of the driving disc 8; a clamping seat 10 is integrally arranged above the inside of the shell barrel 1, and a protective rubber plate 11 is mounted at the upper end of the clamping seat 10 through bolts; the upper part inside the shell barrel 1 is connected with a U-shaped poking rod 12 in a shaft way, and simultaneously, the front part and the rear part of the inner side of the U-shaped poking rod 12 are inserted into the outer side of a ring gear 14; the upper end of the shell cylinder 1 is supported with a dust-proof protection plate seat structure 13; the outer wall of the planetary gear 3 is sleeved with a ring gear 14; a supplementary pushing and 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 assembled driving cylinder structure 16; the upper and lower parts of the left side of the inner wall of the shell 1 are both in threaded connection with an arc plate 171, and the left end of the arc plate 171 is in bolt connection with the rotary cover 17.
As shown in fig. 2, in the above embodiment, specifically, the dust-blocking protection board seat structure 13 includes a support strip 131 and a limiting strip 132, where 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 portion of the restriction strip 132; the movable U-shaped toggle rod 12 drives the insertion frame 135, the sealing gasket 134 and the sliding plate 133 to slide between the supporting strip 131 and the limiting strip 132 for use in the speed changing process; 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 an insertion frame 135, and the front side and the rear side of the insertion frame 135 are inserted with the U-shaped toggle rod 12.
As shown in fig. 3, in the above embodiment, specifically, the supplementary pushing and filling cylinder structure 15 includes a main cylinder 151 and an operation cover 152, a cover cavity 153 is formed above the inside of the operation cover 152, and the lower end of the main cylinder 151 is screwed in the cover cavity 153; a lower bolt of the inner wall of the cover cavity 153 is provided with a driving rod 156; the upper end bolt of the driving rod 156 is provided with an assembling head 154, and a piston head 155 is embedded outside the assembling head 154; the inside of the casing 1 is injected through the main cylinder 151, and then the operation cap 152 is operated and the assembling head 154 and the piston head 155 are inserted into the main cylinder 151 in cooperation with the driving rod 156, and then the grease is pushed into the casing 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 part of the left side inside the socket 161, and simultaneously, support screws 163 are screwed on the front side, the rear side, the upper side and the lower side inside the socket 161; the anti-slip head 164 is operated to drive the supporting screw 163 to move in the sleeve joint 161, so that the clamping seat 165 is driven to fasten the motor output shaft to finish assembly; one end of the supporting screw 163 is provided with an anti-slip head 164 by a bolt, and the other end is movably embedded with a clamping seat 165; the circumference of the left side inside the sleeve joint 161 is provided with a stabilizing groove 166, 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 a 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 on the right side of the lower side of the inner part of the shell cylinder 1, and the opening of the lower part of the main cylinder 151 is sealed by the operating cover 152, so that the lubrication maintenance is performed by supplementing the grease on the premise of not disassembling.
In the above embodiment, specifically, the piston head 155 is supported by the driving rod 156, and the piston head 155 is matched with the main cylinder 151, so that grease can be pushed and extruded into the shell 1.
In the above embodiment, specifically, the sleeve joint 161 passes through the rotary cover 17 and is mounted at the left end of the rotary disc 2 by bolts, and the mounting groove 162 inside the sleeve joint 161 is internally supported with the clamping seat 165, so that the sleeve joint is convenient for connecting motors of different types, and the situation that the motors of specified types are needed to be used is avoided.
In the above embodiment, specifically, the inner side of the clamping seat 165 is provided with an arc-shaped groove, and a line of anti-skid patterns are engraved in the groove, and the clamping seat 165 is movably connected with the connected motor output shaft 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 a sleeve joint 161 in the connecting process, then an anti-slip head 164 is operated to drive a supporting screw 163 to move in the sleeve joint 161, so as to drive a clamping seat 165 to fasten the motor output shaft to finish assembly and use, in the using process, a motor drives a rotating disc 2 and a planetary gear 3 to rotate through the sleeve joint 161, and the rotating planetary gear 3 drives a ring gear 14, an assembly cylinder 7, a driving disc 8 and a thread head 9 to rotate and use, during speed regulation, a U-shaped toggle rod 12 is pushed to move on the upper side of a shell cylinder 1 and drive the ring gear 14 to move to the outer wall of the driving gear 5, so that the driving gear 5 and a transmission gear 6 are driven to rotate through the planetary gear 3, and the driving gear 5 drives the ring gear 14, the assembly cylinder 7, the driving disc 8 and the thread head 9 to rotate again to finish speed regulation, during speed regulation, the movable U-shaped toggle rod 12 drives a penetrating frame 135, a sealing pad 134 and a sliding plate 133 to slide between the supporting strip 131 and a limiting strip 132, during maintenance and grease supplementing, the inside of the shell cylinder 1 is injected through a main cylinder 151, and then the driving rod 152 and the driving piston head 154 are pushed to completely enter the main cylinder 154 to fill the shell 1 with the complete maintenance and move along with the driving rod 152 and the driving rod 156.
By using the technical scheme of the invention or under the inspired by the technical scheme of the invention, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the invention.
Claims (7)
1. The multifunctional electric tool speed change gear box comprises a shell barrel (1), wherein a rotating disc (2) is movably embedded at the left side inside the shell barrel (1), and a planetary gear (3) is axially arranged at 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 part 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 protection plate seat structure (13); a supplementary pushing and 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 of the left side of the inner wall of the shell cylinder (1) are both in threaded connection with an arc plate (171), and meanwhile, the left end of the arc plate (171) is in bolt connection with a rotary cover (17), and the dust-blocking protection plate seat structure (13) is characterized by comprising a supporting strip (131) and a limiting strip (132), wherein the supporting 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 strip (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 an insertion frame (135), and the front side and the rear side of the interior of the insertion frame (135) are inserted with U-shaped poking rods (12).
2. The multifunctional electric tool speed change gear box according to claim 1, characterized in that the supplementary pushing and filling cylinder structure (15) comprises a main cylinder (151) and an operation cover (152), a cover cavity (153) is arranged above the inside of the operation cover (152), and the lower end of the main cylinder (151) is connected with the inner thread of the cover cavity (153); a driving rod (156) is arranged on the lower bolt of the inner wall of the cover cavity (153); the upper end bolt of the driving rod (156) is provided with an assembling head (154), and a piston head (155) is embedded outside the assembling head (154).
3. The multifunctional electric tool speed change gear box according to claim 1, wherein the assembly driving cylinder structure (16) comprises a sleeve joint (161) and a mounting groove (162), the mounting groove (162) is arranged at the middle part of the left side inside the sleeve joint (161), and simultaneously, support screws (163) are connected on the front side, the rear side, the upper side and the lower side inside the sleeve joint (161) in a threaded manner; one end of the supporting screw rod (163) is provided with an anti-slip head (164) through a bolt, and the other end of the supporting screw rod is movably embedded with a clamping seat (165); the circumference of the left side inside the sleeve joint (161) is provided with a stabilizing groove (166), and a clamping seat (165) and a supporting screw rod (163) are inserted into the stabilizing groove (166).
4. The speed change gear box of a multifunctional electric tool according to claim 1, wherein the supporting strip (131) and the limiting strip (132) are assembled to be in an inverted-L shape, and the supporting strip (131) is mounted on the front side and the rear side of the upper end of the shell (1) through bolts.
5. The speed change gear box of a multifunctional electric tool according to claim 2, characterized in that the main cylinder (151) is screw-coupled to the right of the lower side of the inside of the casing (1), and the opening of the lower part of the main cylinder (151) is sealed by the operation cover (152).
6. A multi-function power tool speed change gearbox according to claim 2 wherein the piston head (155) is supported by a drive rod (156) and the piston head (155) is adapted to the main barrel (151).
7. A speed change gear box for a multifunctional electric tool according to claim 3, characterized in that the socket joint (161) is mounted on the left end of the rotating disc (2) through the rotating cover (17) by bolts, and the clamping seat (165) is supported in the mounting groove (162) in 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 CN115013509A (en) | 2022-09-06 |
| CN115013509B true 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) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766787B2 (en) * | 2007-10-11 | 2010-08-03 | Wellcam Machinery Corp. | Hand-held rotating power tool |
| JP7210291B2 (en) * | 2019-01-10 | 2023-01-23 | 株式会社マキタ | electric driver drill |
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2022
- 2022-06-17 CN CN202210692531.6A patent/CN115013509B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
|---|---|
| CN115013509A (en) | 2022-09-06 |
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