CN208231660U - A kind of electric wrench - Google Patents
A kind of electric wrench Download PDFInfo
- Publication number
- CN208231660U CN208231660U CN201820715726.7U CN201820715726U CN208231660U CN 208231660 U CN208231660 U CN 208231660U CN 201820715726 U CN201820715726 U CN 201820715726U CN 208231660 U CN208231660 U CN 208231660U
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- China
- Prior art keywords
- casing
- output shaft
- axle sleeve
- motor
- outside
- 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.)
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a kind of electric wrenches, it include: casing, the motor being contained in the casing, the output shaft rotated by the motor driven, it connects the motor and the output shaft and the driving force of the motor is transmitted to the transmission mechanism of the output shaft, one end of the output shaft extends to the casing outside, axle sleeve is equipped between the output shaft and the casing, one end of the axle sleeve extends to the casing outside, the axle sleeve is provided with flange in the casing outer fix to one end of extension on the outside of the casing, the flange is circumferentially provided with 1 or more screw hole, bolt passes through the screw hole and is fixedly connected with the axle sleeve on the housing.
Description
Technical field
The utility model relates to electro-mechanical arts more particularly to a kind of electric wrenches.
Background technique
Fig. 1 is the partial schematic sectional view of existing electric wrench 10, and electric wrench 10 usually has a stretching casing 11
Output shaft 12, output shaft 12 provide torsion for connecting workpiece, to workpiece；Have between output shaft 12 and casing 11
One axle sleeve 13, casing 11 and axle sleeve 13 are usually fixed by press fitting interference fit.
In use process, due to factors such as the fever of electric wrench 10, internal vibration and applied external forces, so that casing 11
Interference fit between axle sleeve 13 gradually wears out and loses tight fit effect, so as to cause when electric wrench 10 works
Existing axle sleeve 13 act as a travelling agent 13 axial displacement of circle and axle sleeve phenomena such as, reduce the service life of electric wrench 10；
Therefore, the fixation for how keeping casing and axle sleeve, the service life for improving electric wrench are a problem to be solved.
Utility model content
In view of this, the utility model embodiment is intended to provide a kind of electric wrench, it is able to maintain the fixation of casing and axle sleeve,
Improve the service life of electric wrench.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
The embodiment of the invention provides a kind of electric wrench, the electric wrench includes: casing, is contained in the casing
Motor, the output shaft rotated by the motor driven connects the motor and the output shaft and by the driving of the motor
Power is transmitted to the transmission mechanism of the output shaft, one end of the output shaft to extending on the outside of the casing, the output shaft with
It is equipped with axle sleeve between the casing, one end of the axle sleeve is to extending on the outside of the casing, and the axle sleeve is on the outside of the casing
One end of extension is provided with flange in the casing outer fix, and the flange is circumferentially provided with 1 or more screw hole, and bolt is worn
The screw hole is crossed to be fixedly connected with the axle sleeve on the housing.
In above scheme, one end inner wall of end and the output shaft engaging portion of the axle sleeve to extension on the outside of the casing
It is provided with ring dress groove, is provided with the oil sealing for sealing the sleeve lining and output shaft outer wall in the ring dress groove；
In above scheme, the screw hole has 3, along flange distribution circumferentially in equilateral triangle.
Electric wrench provided by the utility model embodiment, comprising: casing, the motor being contained in the casing, by
The output shaft of the motor driven rotation, connects the motor and the output shaft and the driving force of the motor is transmitted to institute
State the transmission mechanism of output shaft, one end of the output shaft to extending on the outside of the casing, the output shaft and the casing it
Between be equipped with axle sleeve, one end of the axle sleeve is to extending on the outside of the casing, and the axle sleeve is to the one end extended on the outside of the casing
The casing outer fix is provided with flange, the flange is circumferentially provided with 1 or more screw hole, and bolt passes through the screw hole
The axle sleeve is fixedly connected on the housing.In this way, fixing axle sleeve and casing by bolt, avoid causing due to abrasion
Axle sleeve and casing fixation it is unstable, be able to maintain the fixation of casing and axle sleeve, improve the service life of electric wrench.
Detailed description of the invention
Fig. 1 is prior art electric wrench partial profile structure；
Fig. 2 is the utility model embodiment electric wrench partial profile structure；
Fig. 3 is the utility model embodiment electric wrench structural schematic diagram；
Fig. 4 is the utility model embodiment axle sleeve structure schematic diagram.
Specific embodiment
In the utility model embodiment, electric wrench includes: casing, the motor being contained in the casing, by the electricity
The output shaft of machine driving rotation, connects the motor and the output shaft and the driving force of the motor is transmitted to the output
The transmission mechanism of axis, one end of the output shaft are equipped between the output shaft and the casing to extension on the outside of the casing
Axle sleeve, one end of the axle sleeve is to extension on the outside of the casing, and the axle sleeve is to one end of extension on the outside of the casing described
Casing outer fix is provided with flange, and the flange is circumferentially provided with 1 or more screw hole, and bolt passes through the screw hole will be described
Axle sleeve is fixedly connected on the housing.
The utility model is further described in more detail below with reference to embodiment.
Electric wrench 200 provided by the embodiment of the utility model, Fig. 2 are the partial sectional view of electric wrench 200, the electricity
Wrench 200 includes: casing 210, the motor 220 being contained in the casing, by the output shaft of the motor 220 driving rotation
230, it connects the motor 220 and the output shaft 230 and the driving force of the motor 220 is transmitted to the output shaft 230
Transmission mechanism 240, described 230 one end of output shaft is to extending on the outside of the casing 210, the output shaft 230 and the casing
It is equipped with axle sleeve 250 between 210, one end of the axle sleeve 250 is to extending on the outside of the casing 210, and the axle sleeve 250 is to the machine
The one end extended on the outside of shell is provided with flange 251 in 210 outer fix of casing, the flange 251 is circumferential be provided with 1 with
On screw hole 2511, bolt 260 pass through the screw hole 2511 axle sleeve 250 is fixedly connected on the casing 210.
Here, the transmission mechanism 240 may include that the electric wrenches such as arrangement of clutch, gear combination transmission shaft are common internal
Transmission mechanism；2511 quantity of screw hole can be arranged according to actual needs, pass through balanced structure complexity and fixed effect
And be arranged, such as setting 4, the corresponding screw hole 2511 of bolt 260 is arranged；The screw hole 2511 can be provided with spiral shell in inner wall
Line can also be not provided with screw thread, penetrate fixation for bolt 260；The axle sleeve 250 and flange 251 can be integral structure.
In practical application, as shown in the perspective view of Fig. 3 electric wrench 200, the casing 210 usually has several component structures
At, including head capsule 211 etc., the axle sleeve 250 be generally arranged in head capsule 211, and axle sleeve 250 can be pressed into the head capsule of aluminum
It is fixed with bolt 260 after 211.The part that axle sleeve 250 protrudes into head capsule 211 can be by the way of interference fit.
Further, as shown in figs. 1 and 3, the axle sleeve 250 is to one end inner wall of end extended on the outside of the casing 210
230 engaging portion of output shaft is provided with ring dress groove 252, is provided with the sealing axle sleeve 250 in the ring dress groove 252
The oil sealing 270 of 230 outer wall of inner wall and output shaft, prevent the sundries such as dust by gap between axle sleeve 250 and output shaft 230 into
Enter inside electric wrench 200.
Further, circumferential in equilateral triangle along the flange 252 as shown in Figures 2 and 3 there are three the screw holes 2511
Distribution；Such axle sleeve 250 can uniformly bear applied external force, improve the binding force with casing 210.
The above, the only most preferred embodiment of the utility model, are not intended to limit the protection of the utility model
Range, any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model.
Claims (3)
1. a kind of electric wrench, which is characterized in that the electric wrench includes: casing, the motor being contained in the casing, by
The output shaft of the motor driven rotation, connects the motor and the output shaft and the driving force of the motor is transmitted to institute
State the transmission mechanism of output shaft, one end of the output shaft to extending on the outside of the casing, the output shaft and the casing it
Between be equipped with axle sleeve, one end of the axle sleeve is to extending on the outside of the casing, and the axle sleeve is to the one end extended on the outside of the casing
The casing outer fix is provided with flange, the flange is circumferentially provided with 1 or more screw hole, and bolt passes through the screw hole
The axle sleeve is fixedly connected on the housing.
2. electric wrench according to claim 1, which is characterized in that one end that the axle sleeve extends to the casing outside
Inner wall of end and the output shaft engaging portion are provided with ring dress groove, are provided with the sealing sleeve lining in the ring dress groove
With the oil sealing of output shaft outer wall.
3. according to claim 1 to 2 described in any item electric wrenches, which is characterized in that the screw hole has 3, along the method
Blue circumferential distribution in equilateral triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820715726.7U CN208231660U (en) | 2018-05-15 | 2018-05-15 | A kind of electric wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820715726.7U CN208231660U (en) | 2018-05-15 | 2018-05-15 | A kind of electric wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208231660U true CN208231660U (en) | 2018-12-14 |
Family
ID=64579931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820715726.7U Active CN208231660U (en) | 2018-05-15 | 2018-05-15 | A kind of electric wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208231660U (en) |
-
2018
- 2018-05-15 CN CN201820715726.7U patent/CN208231660U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226100 No. 699, Xiangjiang Road, Haimen Economic and Technological Development Zone, Nantong City, Jiangsu Province Patentee after: Jiangsu Dayi Technology Co., Ltd Address before: 22699, Haimen Economic and Technological Development Zone, Donghai City, Jiangsu Province Patentee before: Jiangsu Dayi electromechanical Tools Co., Ltd |
|
| CP03 | Change of name, title or address |