CN204893890U - A fast loading and unloading chuck for electric tool - Google Patents
A fast loading and unloading chuck for electric tool Download PDFInfo
- Publication number
- CN204893890U CN204893890U CN201520633064.5U CN201520633064U CN204893890U CN 204893890 U CN204893890 U CN 204893890U CN 201520633064 U CN201520633064 U CN 201520633064U CN 204893890 U CN204893890 U CN 204893890U
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- CN
- China
- Prior art keywords
- chuck
- transmission shaft
- nut
- power transmission
- sleeve
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a fast loading and unloading chuck for electric tool, including transmission shaft (1) and chuck (2), the axis of transmission shaft (1) and the dead in line of chuck (2), still including simultaneously and transmission shaft (1) and chuck (2) sleeve (3) be connected, sleeve (3) one end inner wall and transmission shaft (1) outer wall are through the splined connection, and other end inner wall and chuck (2) outer wall are through the splined connection, transmission shaft (1) tip and chuck (2) tip between be equipped with and be used for the spacing and cross section of circumference for hexagonal spliced pole (17). The utility model provides a load and unload convenient a fast loading and unloading chuck for electric tool.
Description
Technical field
The utility model relates to electric tool technical field, particularly relates to a kind of quick despatch chuck for electric tool.
Background technology
Current, the kind of electric tool is many, as: electric screwdriver, electric drill etc., these electric tool small volume and less weights, use flexibly, although effect is different, principle is mostly identical, mostly has head and chuck, in head, there is drive motors, power is delivered on the main shaft of chuck by transmission component by the output shaft of drive motors, main shaft is rotated, realizes correlation function.In use often run into the situation changing chuck, because chuck mostly is integral type, the axial limiting of chuck and transmission component should be considered, consider that the circumference of chuck and transmission component links again, so cause the syndeton of chuck and transmission component complicated, and then cause the handling of chuck very inconvenient.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of quick despatch chuck for electric tool easy to loading and unloading.
Technical solution of the present utility model is, there is provided a kind of quick despatch chuck for electric tool with following structure: comprise the power transmission shaft for being connected with drive motors output shaft and chuck, the axis of power transmission shaft and the dead in line of chuck, also comprise the sleeve be simultaneously connected with power transmission shaft and chuck, sleeve one end inwall and power transmission shaft outer wall are by spline joint, and other end inwall and chuck outer wall pass through spline joint; Power transmission shaft is radially provided with multiple first radial direction through hole, is plugged with the first straight pin in the first radial direction through hole, and first straight pin one end is provided with for pushing against sleeve end face and pushing against the first annular protrusion of power transmission shaft outer wall, and the other end is by the first nut check; Chuck is radially provided with multiple second radial direction through hole, is plugged with the second straight pin in the second radial direction through hole, and second straight pin one end is provided with for pushing against sleeve end face and pushing against the second annular protrusion of chuck outer wall, and the other end is by the second nut check; Described sleeve outer wall is socketed with guide pin bushing, guide pin bushing one end is provided with inwardly protruded annular lug, other end inner peripheral surface is combined with locking nut, locking nut and the first annular protrusion periphery wall and the first nut periphery wall push against, and annular lug and the second annular protrusion periphery wall and the second nut periphery wall push against; Be provided with between described end part of driving shaft and chuck end for the spacing joint pin of circumference.
The utility model, by locking nut and the second nut outwarded winding, can be changed chuck, or regulates chuck relative to the axial spacing of power transmission shaft; Namely by regulating the spacing of the first straight pin on the first radial direction through hole and the second straight pin on the second radial direction through hole to adjust axial spacing between power transmission shaft and chuck, and power transmission shaft and chuck realize circumferential transmission of rotating by sleeve, thus expand can the scope of application of chuck, increase the application scenario of chuck; Wherein, guide pin bushing is coordinated with the first straight pin, the second straight pin respectively by the annular lug at two ends, locking nut and prevents power transmission shaft and chuck from transmission process, axial displacement occurring, and improves power transmission shaft and the stability of chuck in transmission process; In addition, by during the arranging and power transmission shaft and chuck transmission can be made to rotate of joint pin, certain circumferential load is acted on joint pin, reduce the circumferential load suffered by spline on sleeve lining.Therefore, the utility model provides a kind of quick despatch chuck for electric tool easy to loading and unloading.
Preferred as one, described end part of driving shaft is provided with the first hexagon blind hole for accommodating joint pin one end, and chuck end is provided with the second hexagon blind hole for the accommodating joint pin other end.By the first hexagon blind hole and the second hexagon blind hole arrange can make joint pin and power transmission shaft, chuck connection more firm, integration.
Preferred as one, described joint pin axis simultaneously with drive shaft axis and chuck dead in line.Preferred by this, can preventing power transmission shaft chuck when transmitting rotation from deflecting, preventing chuck from producing eccentric force.
Preferred as one, described sleeve end face is provided with the first arc groove of multiple the first annular protrusion and the first nut location on the first straight pin, and the first described arc groove is uniformly distributed around sleeve axis; Another end face of sleeve is provided with the second arc groove of multiple the second annular protrusion and the second nut location on the second straight pin, and the second described arc groove is uniformly distributed around sleeve axis.Coordinated with the first arc groove in sleeve end face respectively by first annular protrusion at the first straight pin two ends, the first nut, can prevent power transmission shaft and chuck in transmission process, the first nut on the first straight pin occurs to loosen; Coordinated with the second arc groove in sleeve end face respectively by second annular protrusion at the second straight pin two ends, the second nut, can prevent power transmission shaft and chuck in transmission process, the second nut on the second straight pin occurs to loosen.
Preferred as one, the first described annular protrusion and the first nut are all positioned at the first arc groove.First annular protrusion and the first nut can prevent sleeve from relative to power transmission shaft, circumference rotation occurring further.
Preferred as one, the second described annular protrusion and the second nut are all positioned at the second arc groove.Second annular protrusion and the second nut can prevent sleeve from relative to chuck, circumference rotation occurring further.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model for the quick despatch chuck of electric tool.
Fig. 2 is the structural representation of the utility model for the quick despatch chuck middle sleeve of electric tool.
Shown in figure: 1, power transmission shaft, 2, chuck, 3, sleeve, the 4, first radial direction through hole, 5, the first straight pin, the 6, first annular protrusion, the 7, first nut, the 8, second radial direction through hole, 9, the second straight pin, the 10, second annular protrusion, the 11, second nut, 12, guide pin bushing, 13, locking nut, 14, annular lug, 15, the first arc groove, the 16, second arc groove, 17, joint pin, 18, the first hexagon blind hole, the 19, second hexagon blind hole, 20, outer-hexagonal boss.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model is used for the quick despatch chuck of electric tool and comprises power transmission shaft 1 for being connected with drive motors output shaft and chuck 2, the axis of power transmission shaft 1 and the dead in line of chuck 2, also comprise the sleeve 3 be simultaneously connected with power transmission shaft 1 and chuck 2, sleeve 3 one end inwall and power transmission shaft 1 outer wall are by spline joint, and other end inwall and chuck 2 outer wall pass through spline joint; Power transmission shaft 1 is radially provided with multiple first radial direction through hole 4, the first straight pin 5 is plugged with in first radial direction through hole 4, first straight pin 5 one end is provided with for pushing against sleeve 3 end face and pushing against the first annular protrusion 6 of power transmission shaft 1 outer wall, and the other end is locked by the first nut 7; Chuck 2 is radially provided with multiple second radial direction through hole 8, the second straight pin 9 is plugged with in second radial direction through hole 8, second straight pin 9 one end is provided with for pushing against sleeve 3 end face and pushing against the second annular protrusion 10 of chuck 2 outer wall, and the other end is locked by the second nut 11; Described sleeve 3 outer wall is socketed with guide pin bushing 12, guide pin bushing 12 one end is provided with inwardly protruded annular lug 14, other end inner peripheral surface is combined with locking nut 13, locking nut 13 and the first annular protrusion 6 periphery wall and the first nut 7 periphery wall push against, and annular lug 14 and the second annular protrusion 10 periphery wall and the second nut 11 periphery wall push against; Be provided with between described power transmission shaft 1 end and chuck 2 end for the spacing joint pin 17 of circumference.Wherein, see along guide pin bushing 12 axis, first straight pin 5 and the second straight pin 9 are positioned at annular lug 14 and locking nut 13 axial gap, pushed against by annular lug 14 and the second straight pin 9 both ends, and locking nut 13 and the first straight pin 5 both ends push against and just can prevent power transmission shaft and the chuck phenomenon that chuck 2 departs from transmission process.Described locking nut 13 is externally threaded nuts, and can also set up outer-hexagonal boss 20 in the axis of locking nut 13 and install with the rotation of convenient wrench.
Described power transmission shaft 1 end is provided with the first hexagon blind hole 18 for accommodating joint pin 17 one end, and chuck 2 end is provided with the second hexagon blind hole 19 for accommodating joint pin 17 other end.
Described joint pin 17 axis simultaneously with power transmission shaft 1 axis and chuck 2 dead in line.
Described sleeve 3 one end faces are provided with multiple first arc groove 15 of locating for the first annular protrusion 6 on the first straight pin 5 and the first nut 7, and the first described arc groove 15 is uniformly distributed around sleeve 3 axis; Another end face of sleeve 3 is provided with multiple second arc groove 16 of locating for the second annular protrusion 10 on the second straight pin 9 and the second nut 11, and the second described arc groove 16 is uniformly distributed around sleeve 3 axis.
The first described annular protrusion 6 and the first nut 7 are all positioned at the first arc groove 15.
The second described annular protrusion 10 and the second nut 11 are all positioned at the second arc groove 16.
The foregoing is only preferred embodiment of the present utility model, not for limiting protection domain of the present utility model.All within the utility model claim, any amendment done, equivalent replacement and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the quick despatch chuck for electric tool, it comprises power transmission shaft (1) for being connected with drive motors output shaft and chuck (2), the axis of power transmission shaft (1) and the dead in line of chuck (2), it is characterized in that: also comprise the sleeve (3) be simultaneously connected with power transmission shaft (1) and chuck (2), sleeve (3) one end inwall and power transmission shaft (1) outer wall are by spline joint, and other end inwall and chuck (2) outer wall pass through spline joint; Power transmission shaft (1) is radially provided with multiple first radial direction through hole (4), the first straight pin (5) is plugged with in first radial direction through hole (4), first straight pin (5) one end is provided with for pushing against sleeve (3) end face and pushing against first annular protrusion (6) of power transmission shaft (1) outer wall, and the other end is by the first nut (7) locking; Chuck (2) is radially provided with multiple second radial direction through hole (8), the second straight pin (9) is plugged with in second radial direction through hole (8), second straight pin (9) one end is provided with for pushing against sleeve (3) end face and pushing against second annular protrusion (10) of chuck (2) outer wall, and the other end is by the second nut (11) locking; Described sleeve (3) outer wall is socketed with guide pin bushing (12), guide pin bushing (12) one end is provided with inwardly protruded annular lug (14), other end inner peripheral surface is combined with locking nut (13), locking nut (13) pushes against with the first annular protrusion (6) periphery wall and the first nut (7) periphery wall, and annular lug (14) pushes against with the second annular protrusion (10) periphery wall and the second nut (11) periphery wall; Be provided with spacing for circumference between described power transmission shaft (1) end and chuck (2) end and cross section is hexagonal joint pin (17).
2. the quick despatch chuck for electric tool according to claim 1, it is characterized in that: described power transmission shaft (1) end is provided with the first hexagon blind hole (18) for accommodating joint pin (17) one end, chuck (2) end is provided with the second hexagon blind hole (19) for accommodating joint pin (17) other end.
3. the quick despatch chuck for electric tool according to claim 1, is characterized in that: described joint pin (17) axis simultaneously with power transmission shaft (1) axis and chuck (2) dead in line.
4. the quick despatch chuck for electric tool according to claim 1, it is characterized in that: described sleeve (3) end faces are provided with multiple first arc groove (15) of locating for upper first annular protrusion (6) of the first straight pin (5) and the first nut (7), and described the first arc groove (15) is uniformly distributed around sleeve (3) axis; Another end face of sleeve (3) is provided with multiple second arc groove (16) of locating for upper second annular protrusion (10) of the second straight pin (9) and the second nut (11), and described the second arc groove (16) is uniformly distributed around sleeve (3) axis.
5. the quick despatch chuck for electric tool according to claim 4, is characterized in that: described the first annular protrusion (6) and the first nut (7) are all positioned at the first arc groove (15).
6. the quick despatch chuck for electric tool according to claim 4, is characterized in that: described the second annular protrusion (10) and the second nut (11) are all positioned at the second arc groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633064.5U CN204893890U (en) | 2015-08-21 | 2015-08-21 | A fast loading and unloading chuck for electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520633064.5U CN204893890U (en) | 2015-08-21 | 2015-08-21 | A fast loading and unloading chuck for electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204893890U true CN204893890U (en) | 2015-12-23 |
Family
ID=54916101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520633064.5U Expired - Fee Related CN204893890U (en) | 2015-08-21 | 2015-08-21 | A fast loading and unloading chuck for electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204893890U (en) |
-
2015
- 2015-08-21 CN CN201520633064.5U patent/CN204893890U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20180821 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |