CN210360763U - Multifunctional power head modified by angle grinder and adapter sleeve for modification - Google Patents
Multifunctional power head modified by angle grinder and adapter sleeve for modification Download PDFInfo
- Publication number
- CN210360763U CN210360763U CN201921431332.XU CN201921431332U CN210360763U CN 210360763 U CN210360763 U CN 210360763U CN 201921431332 U CN201921431332 U CN 201921431332U CN 210360763 U CN210360763 U CN 210360763U
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- adapter sleeve
- angle grinder
- planet carrier
- transmission rod
- sleeve
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- 230000004048 modification Effects 0.000 title description 2
- 238000012986 modification Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000012857 repacking Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a multi-functional unit head of angle grinder repacking and switching cover of repacking usefulness, locate the angle grinder of getting rid of first shell reducing gear box on one's body, link up around the inside of switching cover, former first shell reducing gear box position is located to the switching cover, and be connected with the fuselage, be equipped with planet carrier and a plurality of planetary gear in the switching cover, connect the sun gear on the motor shaft, sun gear and planetary gear meshing, planetary gear's pivot is all connected on a preceding carousel, the place ahead of preceding carousel is equipped with the connecting piece, external transfer line inserts the switching cover, and the integral key shaft and the connecting piece of external transfer line are connected, be equipped with the locking device to external transfer line on the switching. The utility model discloses a spline shaft of external transfer line is connected to simplest transmission mode reaches highest transmission efficiency, and the fuselage of angle grinder can keep "one" word with external transfer line, has better holding and feels.
Description
Technical Field
The utility model relates to an electric tool technical field relates to the repacking structure of angle grinder, especially the multi-functional unit head of one corner grinder repacking and the switching cover of repacking usefulness.
Background
The existing electric tools are designed in a multifunctional mode, if an angle grinder is used, the existing electric tools can be modified into a power head to be connected with other machines, and the modified part is generally called an adapter. If the adapter is connected with the transmission rod, the center of the transmission rod is provided with a spline shaft, and the front of the transmission rod can be connected with various working heads.
The conventional adapter is only connected on the chuck of the angle grinder, and the external connecting piece is L-shaped with the machine body when being connected with the chuck, so that the use direction is limited. Meanwhile, the transmission direction is that an internal motor, a head shell reduction box, a turning bevel gear and a chuck part are in multi-stage transmission, and the transmission efficiency is very low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem of current, provide a multi-functional unit head of angle grinder repacking and the switching cover of repacking usefulness.
The purpose of the utility model can be realized by the following technical proposal: a multifunctional power head modified by an angle grinder is characterized by comprising an angle grinder body and a switching sleeve, wherein the angle grinder body is provided with a motor, the switching sleeve is communicated with the front and the back,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the rotating shafts of the planetary gears are all connected to a front turntable, a connecting piece is arranged in front of the front turntable, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
The inner wall of the adapter sleeve is provided with a bayonet, the outer side of the planet carrier is provided with a convex part, and the convex part on the outer side of the planet carrier is embedded into the bayonet to limit the rotation of the planet carrier.
A gear cover is arranged behind the adapter sleeve, the motor shaft penetrates through the gear cover, and a bearing is arranged between the motor shaft and the gear cover.
The adapter sleeve is provided with an extension pipe, the locking device comprises a split groove on the pipe wall of the extension pipe, bolt transverse parts are arranged on two sides of the split groove, the split groove can be clamped through the bolt transverse parts, and the extension pipe is provided with an elastic pin.
A multifunctional power head modified by an angle grinder is characterized by comprising an angle grinder body and a switching sleeve, wherein the angle grinder body is provided with a motor, the switching sleeve is communicated with the front and the back,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the planet carrier is rotationally connected with the adapter sleeve, the planet carrier is connected with a front rotary disc, a connecting piece is arranged in front of the front rotary disc, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
A gear cover is arranged behind the adapter sleeve, a motor shaft penetrates through the gear cover, and the gear cover and the front rotary disc clamp the planetary gear in the middle.
The adapter sleeve is provided with an extension pipe, the locking device comprises a split groove on the pipe wall of the extension pipe, bolt transverse parts are arranged on two sides of the split groove, the split groove can be clamped through the bolt transverse parts, and the extension pipe is provided with an elastic pin.
An adapter sleeve modified from an angle grinder is arranged on an angle grinder body for removing a head shell reduction box, the interior of the adapter sleeve is communicated front and back, and the adapter sleeve is characterized in that,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the rotating shafts of the planetary gears are all connected to a front turntable, a connecting piece is arranged in front of the front turntable, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
The adapter sleeve is provided with an extension pipe, the locking device comprises a split groove on the pipe wall of the extension pipe, bolt transverse parts are arranged on two sides of the split groove, the split groove can be clamped through the bolt transverse parts, and the extension pipe is provided with an elastic pin.
The inner wall of the adapter sleeve is provided with a bayonet, the outer side of the planet carrier is provided with a convex part, and the convex part on the outer side of the planet carrier is embedded into the bayonet to limit the rotation of the planet carrier.
Compared with the prior art, the utility model discloses a spline shaft that external transfer line is connected to simplest transmission mode reaches highest transmission efficiency, and the fuselage of angle grinder can keep "one" word with external transfer line, has better holding and feels.
Drawings
FIG. 1 is a schematic view of an original structure of an angle grinder.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the mounting position of the front rotary disk.
Fig. 4 is an exploded view of the internal structure of the adapter sleeve.
FIG. 5 is a cut-away view of an adapter sleeve of one construction.
FIG. 6 is a cut-away view of an adapter sleeve of another construction.
1, a machine body; 2, a head shell reduction box; 3, a transfer sleeve; 31 screw holes; 32 an extension tube; 4, a gear cover; 5 a planet carrier; 51 a convex part; 7, a connecting piece; 8, a front turntable; 9 motor shaft; 10 a rear bearing; 11 bearing grooves; 12 a sun gear; 13 a planetary gear; 14 a front bearing; 15, bayonet; 16, cracking the groove; 17 bolt crossing part
Detailed Description
The invention is further described with reference to the following figures and examples.
All the embodiments are not limited to this, and the embodiments are only explained as specific examples of the above aspects of the invention.
Example one
The head shell reduction box 2 of the original electric angle grinder is removed, the machine body 1 is left, and the adapter sleeve 3 is connected with the machine body 1. The adapter sleeve 3 is connected with the machine body 1 through screws and used at the position 31 of a screw hole of a head shell of the original electric angle grinder.
The angle grinder body 1 is internally provided with a motor, and the inside of the adapter sleeve 3 is communicated front and back.
The planet carrier 5 and the plurality of planet gears 13 are arranged in the adapter sleeve 3, the outer side of the planet carrier 5 is provided with a convex part 51, the inner wall of the adapter sleeve 3 is provided with a bayonet 15, and the convex part 51 on the outer side of the planet carrier 5 is embedded into the bayonet 15 to limit the rotation of the planet carrier 5. The planet gears 13 are in internal gear engagement with the planet carrier 5, and the planet gears 13 have rotational axes in the center, all of which are connected to a front rotary disk 8. The motor shaft 9 is connected with a sun gear 12, and the sun gear 12 is positioned at the center of the arrangement of the planetary gears 13 and meshed with the planetary gears. The sun gear 12 drives the planetary gear 13 to rotate, and the planetary gear 13 can rotate for one circle along the planet carrier 5 after the sun gear 12 rotates for a plurality of circles, which is actually equivalent to driving the front rotating disc 8 to rotate for one circle. This corresponds to a deceleration of the motor.
The rear of the adapter sleeve 3 is provided with a gear cover 4, a motor shaft 9 penetrates through the gear cover 4, a rear bearing 10 is arranged between the motor shaft 9 and the gear cover 4, the rear bearing 10 is inserted into a bearing groove 11 of the gear cover 4, the front rotary disc 8 also needs to be supported, and two schemes are provided at the moment.
In the first scheme, as shown in fig. 4-5, the front turntable 8 is connected with a front bearing 14, the outer ring of the front bearing 14 is fixed with the inner wall of the adapter sleeve 3, the inner ring of the front bearing 14 is linked with the front turntable 8, and the front turntable 8 is provided with a center column which penetrates out of a center hole of the front bearing 14. The connecting piece 7 is arranged in front of the central column of the front turntable 8, the connecting piece 7 comprises a shaft, a spline groove is formed in the front end of the shaft, and a spline shaft externally connected with a transmission rod is inserted into the spline groove for limitation.
Scheme two is shown in fig. 3, the front rotary disc 8 is a bearing, the outer ring of the front rotary disc 8 is fixed with the inner wall of the adapter sleeve 3, and the rotating inner ring of the front rotary disc 8 is connected with the planetary gear 13. Connecting piece 7 is connected on preceding carousel 8, and connecting piece 7 includes a root axis, and the front end of axle is equipped with the spline groove, and it is spacing that the integral key shaft of external transfer line inserts the spline groove.
The adapter sleeve 3 is provided with an extension pipe 32, an external transmission rod is locked after being inserted into the extension pipe 32 of the adapter sleeve 3, the locking device comprises a split groove 16 on the pipe wall of the extension pipe 32, bolt transverse parts 17 are arranged on two sides of the split groove 16, and the split groove 16 can be clamped through the bolt transverse parts 17. The external drive link originally has a pin hole, and therefore a spring pin is provided on the extension pipe 32, and the spring pin can be inserted into the pin hole for positioning.
The structure enables the angle grinder to have more ergonomic hand feeling when being held, and simultaneously, the angle grinder has multifunctional application.
Example two
As shown in fig. 1-2, the head shell reduction box 2 of the original electric angle grinder is removed, the machine body 1 is left, and the adapter sleeve 3 is connected with the machine body 1. The adapter sleeve 3 is connected with the machine body 1 through screws and used at the position 31 of a screw hole of a head shell of the original electric angle grinder.
The angle grinder body 1 is internally provided with a motor, and the inside of the adapter sleeve 3 is communicated front and back.
As shown in fig. 6, a planet carrier 5 and a plurality of planet gears 13 are arranged in the adapter sleeve 3, the outer side of the planet carrier 5 is smooth, and the planet carrier 5 and the adapter sleeve 3 rotate mutually. The planetary gears 13 are engaged with the inner teeth of the planet carrier 5, the motor shaft 9 is connected with the sun gear 12, and the sun gear 12 is positioned at the center of the arrangement of the planetary gears 13 and is engaged with the same. The planet gear 13 is fixedly connected with the front rotary table 8, and the planet gear 13 is clamped in the planet carrier 5 by the front rotary table 8 and the gear cover 4. The place ahead of preceding carousel 8 is equipped with connecting piece 7, and connecting piece 7 includes a root axis, and the front end of axle is equipped with the spline groove, and it is spacing that the integral key shaft of external transfer line inserts the spline groove.
After the motor rotates N times, the planet carrier 5 can rotate one time, which is equivalent to the deceleration of the motor.
Regarding the support of rotation, there are two technical solutions, in the first solution, the motor shaft 9 passes through the gear cover 4, a rear bearing 10 is arranged between the motor shaft 9 and the gear cover 4, the rear bearing 10 is inserted into a bearing groove 11 of the gear cover 4, and the front rotary disk 8 also needs to be supported. The front turntable 8 is connected with a front bearing 14, the outer ring of the front bearing 14 is fixed with the inner wall of the adapter sleeve 3, the inner ring of the front bearing 14 is linked with the front turntable 8, and the front turntable 8 is provided with a center column which penetrates out from the center hole of the front bearing 14.
In the second scheme, the planet carrier 5 is divided into an inner ring and an outer ring, the middle part is provided with steel balls for guiding and sliding, the outer ring of the planet carrier 5 is fixed with the inner wall of the switching sleeve 3, and the inner ring is meshed with the planetary gear 13. Connecting piece 7 is connected on preceding carousel 8, and connecting piece 7 includes a root axis, and the front end of axle is equipped with the spline groove, and it is spacing that the integral key shaft of external transfer line inserts the spline groove.
The adapter sleeve 3 is provided with an extension pipe 32, an external transmission rod is locked after being inserted into the extension pipe 32 of the adapter sleeve 3, the locking device comprises a split groove 16 on the pipe wall of the extension pipe 32, bolt transverse parts 17 are arranged on two sides of the split groove 16, and the split groove 16 can be clamped through the bolt transverse parts 17. The external drive link originally has a pin hole, and therefore a spring pin is provided on the extension pipe 32, and the spring pin can be inserted into the pin hole for positioning.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. A multifunctional power head modified by an angle grinder is characterized by comprising an angle grinder body and a switching sleeve, wherein the angle grinder body is provided with a motor, the switching sleeve is communicated with the front and the back,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the rotating shafts of the planetary gears are all connected to a front turntable, a connecting piece is arranged in front of the front turntable, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
2. The multifunctional power head modified by an angle grinder according to claim 1, wherein a bayonet is arranged on the inner wall of the adapter sleeve, a convex portion is arranged on the outer side of the planet carrier, and the convex portion on the outer side of the planet carrier is embedded into the bayonet to limit the rotation of the planet carrier.
3. The multifunctional power head modified from the angle grinder as claimed in claim 1 or 2, wherein a gear cover is arranged behind the adapter sleeve, the motor shaft penetrates through the gear cover, and a bearing is arranged between the motor shaft and the gear cover.
4. The multifunctional power head modified by the angle grinder as claimed in claim 1 or 2, wherein the adapter sleeve is provided with an extension tube, the locking device comprises a slot on the wall of the extension tube, bolt traversing parts are arranged on two sides of the slot and can clamp the slot through the bolt traversing parts, and the extension tube is provided with a spring pin.
5. A multifunctional power head modified by an angle grinder is characterized by comprising an angle grinder body and a switching sleeve, wherein the angle grinder body is provided with a motor, the switching sleeve is communicated with the front and the back,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the planet carrier is rotationally connected with the adapter sleeve, the planet carrier is connected with a front rotary disc, a connecting piece is arranged in front of the front rotary disc, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
6. The multifunctional power head modified from an angle grinder as claimed in claim 5, wherein a gear cover is arranged behind the adapter sleeve, and the motor shaft penetrates through the gear cover, the gear cover and the front rotary disc to clamp the planetary gear in the middle.
7. The multifunctional power head modified by the angle grinder as claimed in claim 5 or 6, wherein the adapter sleeve is provided with an extension tube, the locking device comprises a slot on the wall of the extension tube, bolt traversing parts are arranged on two sides of the slot and can clamp the slot through the bolt traversing parts, and the extension tube is provided with a spring pin.
8. An adapter sleeve modified from an angle grinder is arranged on an angle grinder body for removing a head shell reduction box, the interior of the adapter sleeve is communicated front and back, and the adapter sleeve is characterized in that,
the adapter sleeve is arranged at the position of the original head shell reduction box and is connected with the machine body, a planet carrier and a plurality of planet gears are arranged in the adapter sleeve, a motor shaft is connected with a sun gear, the sun gear is meshed with the planet gears,
the rotating shafts of the planetary gears are all connected to a front turntable, a connecting piece is arranged in front of the front turntable, an external transmission rod is inserted into the adapter sleeve, a spline shaft of the external transmission rod is connected with the connecting piece,
the switching sleeve is provided with a locking device aiming at the external transmission rod.
9. The adapter sleeve modified by an angle grinder as claimed in claim 8, wherein the adapter sleeve is provided with an extension pipe, the locking device comprises a slot on the wall of the extension pipe, bolt traversing parts are arranged on two sides of the slot and can clamp the slot through the bolt traversing parts, and the extension pipe is provided with a spring pin.
10. The adapter sleeve modified by the angle grinder as claimed in claim 8 or 9, wherein a bayonet is arranged on the inner wall of the adapter sleeve, a convex part is arranged on the outer side of the planet carrier, and the convex part on the outer side of the planet carrier is embedded into the bayonet to limit the rotation of the planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431332.XU CN210360763U (en) | 2019-08-30 | 2019-08-30 | Multifunctional power head modified by angle grinder and adapter sleeve for modification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921431332.XU CN210360763U (en) | 2019-08-30 | 2019-08-30 | Multifunctional power head modified by angle grinder and adapter sleeve for modification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210360763U true CN210360763U (en) | 2020-04-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921431332.XU Expired - Fee Related CN210360763U (en) | 2019-08-30 | 2019-08-30 | Multifunctional power head modified by angle grinder and adapter sleeve for modification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210360763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310586A (en) * | 2020-09-25 | 2022-04-12 | 南京泉峰科技有限公司 | Grinding type electric tool |
-
2019
- 2019-08-30 CN CN201921431332.XU patent/CN210360763U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114310586A (en) * | 2020-09-25 | 2022-04-12 | 南京泉峰科技有限公司 | Grinding type electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |