CN204658294U - A kind of crank screw cutter - Google Patents
A kind of crank screw cutter Download PDFInfo
- Publication number
- CN204658294U CN204658294U CN201520324958.6U CN201520324958U CN204658294U CN 204658294 U CN204658294 U CN 204658294U CN 201520324958 U CN201520324958 U CN 201520324958U CN 204658294 U CN204658294 U CN 204658294U
- Authority
- CN
- China
- Prior art keywords
- power transmission
- handwheel
- transmission shafts
- angular wheel
- buckle
- 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
Links
Abstract
The utility model discloses a kind of crank screw cutter, belong to machining tools art, comprise shell and handle, the inner side of described handle, at its lower end is provided with draw-in groove, in described handle, be provided with six rib power transmission shafts, the tail end of described six rib power transmission shafts is provided with step key, is socketed with handwheel at the afterbody of described six rib power transmission shafts, the upper surface of described handwheel is provided with buckle, and described buckle buckles in described draw-in groove; The upper end of described six rib power transmission shafts is provided with the first angular wheel, and the rear end of described knife bar is provided with the second angular wheel, and described first angular wheel engages with described second angular wheel.Compared with prior art, the utility model can overcome the not enough problem of moment, solves the difficulty of driving screws in narrow working space, narrow and not easily observe in working space environment and have great advantage, substantially increases efficiency, simple and convenient, time saving and energy saving.
Description
Technical field
The utility model belongs to machining tools art, is specifically related to a kind of crank screw cutter
Background technology
Screwdriver is as the modal repair of machine instrument of machinery industry, obtain in repair of machine and use very frequently, but along with day by day popularizing of accurate complex assemblies and combine component in life, common straight screwdriver cannot work in many environments, the cabinet of such as narrow space or not easy-to-dismount assembly gap, common L-type screwdriver then needs repeatedly to align, and the amplitude that screws is limited, inefficiency the problems referred to above, urgently to be resolved hurrily.
Summary of the invention
The utility model, for deficiency of the prior art, provides a kind of crank screw cutter, is convenient for carrying, and structure is simple, operates practical.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: comprise shell and handle, the front end of described shell is provided with knife bar, the front end of described knife bar is provided with cutter head, the inner side of described handle, at its lower end is provided with draw-in groove, six rib power transmission shafts are provided with in described handle, the tail end of described six rib power transmission shafts is provided with step key, handwheel is socketed with at the afterbody of described six rib power transmission shafts, the upper surface of described handwheel is provided with buckle, and described buckle buckles in described draw-in groove; The upper end of described six rib power transmission shafts is provided with the first angular wheel, and the rear end of described knife bar is provided with the second angular wheel, and described first angular wheel engages with described second angular wheel.Such setting, when the turn of the screw, only need once to align, pass through the turn of the screw of handwheel fast rotary at precession screw initial stage and back-out screw reaching advanced stages, in precession screw latter stage and back-out screw initial stage, when handwheel screw moment reach the limit of cannot turn screw time, buckle is buckled into the draw-in groove of handle inner, when buckle buckles into, transmission system is locked, this crank screw cutter can be switched to lever drive mode, and then carry out fastening to screw, overcome the not enough problem of moment, substantially increase efficiency.
In order to obtain better technique effect, further technological improvement is, the upper surface of described handwheel is provided with projection, and described projection is provided with described buckle.
In order to obtain better technique effect, further technological improvement is, is provided with through hole in described handwheel, is provided with the step matched with described step key in described through hole.
In order to obtain better technique effect, further technological improvement is, uniformly on the outer peripheral face of described handwheel is provided with boss.Such setting, owing to being provided with boss on the outer peripheral face of handwheel, can increase frictional force.
The beneficial effects of the utility model are: when the turn of the screw, only need once to align, the turn of the screw of handwheel fast rotary is passed through at precession screw initial stage and back-out screw reaching advanced stages, in precession screw latter stage and back-out screw initial stage, when handwheel screw moment reach the limit of cannot turn screw time, buckle is buckled into the draw-in groove of handle inner, when buckle buckles into, transmission system is locked, this crank screw cutter can be switched to lever drive mode, and then carry out fastening to screw, overcome the not enough problem of moment, solve the difficulty of driving screws in narrow working space, narrow and not easily observe in working space environment there is great advantage, substantially increase efficiency, simple and convenient, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model.
Fig. 2 is generalized section of the present utility model.
Fig. 3 is schematic internal view of the present utility model.
Fig. 4 is the schematic diagram of handwheel of the present utility model.
Fig. 5 is six rib power transmission shaft schematic diagrames of the present utility model.
Fig. 6 is the schematic diagram that six rib power transmission shafts of the present utility model and handwheel coordinate.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
See shown in Fig. 1 to Fig. 6, a kind of specific embodiment of the utility model crank screw cutter.A kind of crank screw cutter, comprise shell 1 and handle 2, the front end of described shell 1 is provided with knife bar 3, the front end of described knife bar 3 is provided with cutter head 4, the inner side of described handle 2 lower end is provided with draw-in groove 20, six rib power transmission shafts 5 are provided with in described handle 2, the tail end of described six rib power transmission shafts 5 is provided with step key 50, handwheel 6 is socketed with at the afterbody of described six rib power transmission shafts 5, the upper surface of described handwheel 6 is provided with buckle 62, described buckle 62 buckles in described draw-in groove 20, described handwheel 6 and described six rib power transmission shafts 5 are by step key 50 keyed jointing, axially can move up and down fixed range, the upper end of described six rib power transmission shafts 5 is provided with the first angular wheel 71, and the rear end of described knife bar 3 is provided with the second angular wheel 72, and described first angular wheel 71 engages with described second angular wheel 72.
In technique scheme, the upper surface of described handwheel 6 is provided with protruding 61, is provided with described buckle 62 on described protruding 61.
In technique scheme, in described handwheel 6, be provided with through hole 60, in described through hole 60, be provided with the step matched with described step key 50.
In technique scheme, uniformly on the outer peripheral face of described handwheel 6 be provided with boss 63.Like this, owing to being provided with boss 63 on the outer peripheral face of handwheel 6, can frictional force be increased, convenient and practical.
Operation principle of the present utility model is: when the turn of the screw, only need once to align, for the situation that the precession screw initial stage is less with screwing out screw resistance in latter stage, when now buckle 62 does not buckle into draw-in groove 20, internal gear transmission system exists, drive six rib power transmission shafts 5 to rotate by rotating handwheel 6, and then drive the first angular wheel 71 and the second angular wheel 72 to rotate, and then drive knife bar 3 and cutter head 4 to turn fast.
In precession screw latter stage and back-out screw initial stage, when handwheel 6 screw moment reach the limit of cannot turn screw time, buckle 62 is buckled into the draw-in groove 20 of handle 2 inside, when buckle 62 buckles into, transmission system is locked, this crank screw cutter can be switched to lever drive mode, and then carry out fastening to screw, overcome the not enough problem of moment, solve the difficulty of driving screws in narrow working space, substantially increase efficiency, simple and convenient, time saving and energy saving.
That more than enumerates is only specific embodiment of the utility model, and obviously, the utility model is not limited to above embodiment.All distortion that those of ordinary skill in the art can directly derive from content disclosed in the utility model or associate, all should belong to protection domain of the present utility model.
Claims (4)
1. a crank screw cutter, comprise shell (1) and handle (2), the front end of described shell (1) is provided with knife bar (3), the front end of described knife bar (3) is provided with cutter head (4), it is characterized in that, the inner side of described handle (2) lower end is provided with draw-in groove (20), six rib power transmission shafts (5) are provided with in described handle (2), the tail end of described six rib power transmission shafts (5) is provided with step key (50), handwheel (6) is socketed with at the afterbody of described six rib power transmission shafts (5), the upper surface of described handwheel (6) is provided with buckle (62), described buckle (62) buckles in described draw-in groove (20), the upper end of described six rib power transmission shafts (5) is provided with the first angular wheel (71), and the rear end of described knife bar (3) is provided with the second angular wheel (72), and described first angular wheel (71) is engaged with described second angular wheel (72).
2. a kind of crank screw cutter according to claim 1, is characterized in that, the upper surface of described handwheel (6) is provided with projection (61), described projection (61) is provided with described buckle (62).
3. a kind of crank screw cutter according to claim 2, is characterized in that, is provided with through hole (60) in described handwheel (6), is provided with the step matched with described step key (50) in described through hole (60).
4. a kind of crank screw cutter according to claim 3, is characterized in that, uniformly on the outer peripheral face of described handwheel (6) is provided with boss (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324958.6U CN204658294U (en) | 2015-05-20 | 2015-05-20 | A kind of crank screw cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520324958.6U CN204658294U (en) | 2015-05-20 | 2015-05-20 | A kind of crank screw cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204658294U true CN204658294U (en) | 2015-09-23 |
Family
ID=54128727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520324958.6U Expired - Fee Related CN204658294U (en) | 2015-05-20 | 2015-05-20 | A kind of crank screw cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204658294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816269A (en) * | 2015-05-20 | 2015-08-05 | 宁波工程学院 | Crank screwdriver |
-
2015
- 2015-05-20 CN CN201520324958.6U patent/CN204658294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104816269A (en) * | 2015-05-20 | 2015-08-05 | 宁波工程学院 | Crank screwdriver |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20160520 |