CN201659575U - Portable electric shears - Google Patents
Portable electric shears Download PDFInfo
- Publication number
- CN201659575U CN201659575U CN2010201574161U CN201020157416U CN201659575U CN 201659575 U CN201659575 U CN 201659575U CN 2010201574161 U CN2010201574161 U CN 2010201574161U CN 201020157416 U CN201020157416 U CN 201020157416U CN 201659575 U CN201659575 U CN 201659575U
- Authority
- CN
- China
- Prior art keywords
- movable blade
- lower movable
- movable blades
- portable electric
- shears
- 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 relates to portable electric shears belonging to the technical field of electric tools, and comprising a motor arranged in a shell component; a rotating shaft of the motor is connected with eccentric crankshafts with two eccentricities; the shell component is fixed with a supporting piece; hinge supports on the supporting piece form an upper movable blade and a lower movable blade of a mouth of the shears; one ends of the upper movable blade and the lower movable blade, deviating from the mouth of the shears, are provided with an oval groove matched with the eccentric crankshafts respectively; the eccentric crankshafts are respectively inserted into the oval grooves of the upper movable blade and the lower movable blade to form a motion pair. When in use, the motor drives the eccentric crankshafts to rotate, the eccentric crankshafts also slide relative to the oval grooves of the upper movable blade and the lower movable blade while rotating so as to drive the upper movable blade and the lower movable blade supported on the shell to swing in a reciprocating manner by the action of the motion pair. Compared with the existing single-blade-action electric shears, the portable electric shears can generate strong shearing force and the blades are not easily worn.
Description
Technical field
The utility model relates to a kind of electric clippers, and especially a kind of portable electric electric clippers belongs to the electric tool technical field.
Background technology
The portable electric scissors is mainly used in materials such as shearing sheet metal, leather, carpet or PVC plate, can reduce working strength during use greatly, increases work efficiency.Understand according to the applicant, two kinds of common electric shears: a kind of is the electric shear that two blades are hinged, and another kind is blade rotates cutting around rotating shaft a electric shear.
Existing radial type electric shear is that single blade is sheared mostly, and its shortcoming is that shearing force is less, can only shear some and easily shear material, and the wearing and tearing of blade is very fast, change inconvenience.Existing another kind of rolling blade formula electric shear, unsettled or raise during shearing being sheared material, therefore greatly reduce operating efficiency, bring unnecessary trouble to the user.In some particular job occasions, during as the outward extending material in shearing high-altitude, this electric shear does not only reach desirable shear effect, and has very big potential safety hazard.
The utility model content
The purpose of this utility model primarily is: the shortcoming at above-mentioned prior art exists proposes a kind of portable electric electric clippers with powerful shearing force.
In order to reach above purpose, portable electric electric clippers of the present utility model comprises the motor that is placed in the housing unit; The rotating shaft of described motor is in transmission connection with the eccentric crankshaft with two place's off-centre; Two eccentric parts of described eccentric crankshaft are installed bearing respectively; Be fixed with support member on the described housing unit, the upper and lower movable blades of hinged formation clip on the described support member, the end that described upper and lower movable blades deviates from clip have width respectively with described eccentric crankshaft on the oval groove that matches of bearing, the oval groove that two place's off-centre of described eccentric crankshaft are inserted upper and lower movable blades respectively constitutes kinematic pair.
During use, motor drives eccentric crankshaft rotation, eccentric crankshaft be also slippage in the oval groove of upper and lower relatively movable blades when rotating, by the effect of kinematic pair, order about the upper and lower movable blades while reciprocally swinging that is supported on the housing, thereby finish shear action.Because upper and lower movable blades moved simultaneously when the utility model was sheared, therefore compare with the electric shear of existing single blade action, can produce powerful shearing force, and blade is not easy to wear.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of a preferred embodiment of the utility model.
Each part and label corresponding relation are among the figure: housing 1, miniature cocurrent electromotor 2, planetary gear reduction box 3, speed control rod 4, speed-regulating switch 5, gear-box holder 6, pedestal 7, rotating shaft 8, eccentric crankshaft 9, last movable blades 10, following movable blades 11, bearing pin 12, reversing switch 13, shearing work button 14, TunePower 15.
The specific embodiment
Embodiment one
The portable electric electric clippers basic structure of present embodiment as shown in Figure 1, rechargeable battery part is similar with common rechargeable electric portable drill to the miniature cocurrent electromotor part that is placed in the housing 1.The rotating shaft of miniature cocurrent electromotor 2 is in transmission connection through planetary gear reduction box and rotating shaft 8.Two place's off-centre of eccentric crankshaft 9 are equipped with bearing respectively, one end is connected with rotating shaft, the other end is equipped with bolt and blocks bearing, the front end of housing 1 is by being fixed with the support set as support member on pedestal 7 assemblies, the front end of support set is by on the bearing pin 12 hinged formation clips, following movable blades 10 and 11, on, following movable blades 10,11 ends that deviate from clip extend respectively be parallel to bearing pin 12 on, following bending side, on, have the oval groove that the bearing on width and the eccentric crankshaft matches respectively on the following bending side, two eccentric parts insert respectively, following movable blades 10, the oval groove of 11 bending sides also constitutes kinematic pair by rolling bearing.
When the control powered battery is ordered about the miniature cocurrent electromotor rotation, motor is by reduction box driven rotary axle 8, there is rotating shaft to drive eccentric crankshaft 9 rotations again, the rotation of eccentric crankshaft 9 is by the effect of the kinematic pair that constitutes with oval groove, change the reciprocally swinging of upper and lower movable blades 10,11 into, thereby realize opening of clip, finish required shear action with closed.Because upper and lower movable blades is swung around bearing pin simultaneously when shearing, so shearing force is powerful, blade is not easy to wear.
The preferred concrete structure of present embodiment is:
Housing 1 involutes by left and right two, its internal separation has miniature cocurrent electromotor room, planetary gear reduction box locating slot, the middle part is provided with motor positive and inverse reversing switch locating hole and the shearing work button is installed square groove, front end has been provided with the draw-in groove of fixed teeth roller box holder effect, and the lower end of housing 1 is provided with the mounting groove of TunePower.
Miniature cocurrent electromotor 2 is installed in the motor room, can control miniature cocurrent electromotor 2 work or stops by being installed in shearing work button 14 on the housing 1.The reversing switch 13 of control miniature cocurrent electromotor 2 rotatings also is installed on this external housing 1.Be provided with a travelling gear at the motor output shaft end, travelling gear and the engagement of planetary gear reduction box 3 one ends.Speed-regulating switch 4 is installed on the planetary gear reduction box 3, can be according to the speed of the different adjustment shearing of shearing material.
Star gear reduction box 3 has multi-stage gear to combine.One end of speed control rod 4 is stuck on the governor gear, and the other end is connected with speed-regulating switch 5, and upper and lower slip speed-regulating switch 5 can drive speed control rod 4, drives governor gears by speed control rod 4 again and moves, and reaches respectively the effect with the speed governing purpose of large and small gears engaged.The front end of planetary gear reduction box 3 is installed in gear-box holder 6 endoporus, plays fixing effect.Gear-box holder 6 is provided with groove, is complementary with the tongue of housing 1 front end, makes planetary gear reduction box 3 firm fixation.
The edge of a knife of last movable blades 10 is circular-arc, and during work, circular-arc blade is reeled the material under shearing naturally, and the chip removal when helping THE ADIABATIC SHEAR IN has tiny sawtooth on the following movable blades 11, can increase shearing force during shearing.
Experiment showed, that present embodiment is simple for structure, reasonable, blade can be regulated the folding degree, shearing force is big, and have that shear rate is adjustable, security good, advantage such as easy to operate.When particularly shearing the eminence steel plate materials,, be not subjected to the restriction of occasion, the potential safety hazard of effectively having avoided eminence to shear as long as rotation arm gently can be sheared easily.
Claims (3)
1. a portable electric electric clippers is characterized in that: comprise the motor that is placed in the housing unit; The rotating shaft of described motor is in transmission connection with the eccentric crankshaft with two place's off-centre; Two eccentric parts of described eccentric crankshaft are installed bearing respectively; Be fixed with support member on the described housing unit, the upper and lower movable blades of hinged formation clip on the described support member, the end that described upper and lower movable blades deviates from clip have width respectively with described eccentric crankshaft on the oval groove that matches of bearing, the oval groove that two place's off-centre of described eccentric crankshaft are inserted upper and lower movable blades respectively constitutes kinematic pair.
2. portable electric electric clippers according to claim 1 is characterized in that: described support member is a support set, and the front end of described support set is by the upper and lower movable blades of the hinged formation clip of bearing pin.
3. portable electric electric clippers according to claim 2 is characterized in that: the edge of a knife of described last movable blades is circular-arc, has sawtooth on the described following movable blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201574161U CN201659575U (en) | 2010-04-13 | 2010-04-13 | Portable electric shears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201574161U CN201659575U (en) | 2010-04-13 | 2010-04-13 | Portable electric shears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659575U true CN201659575U (en) | 2010-12-01 |
Family
ID=43229986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201574161U Expired - Fee Related CN201659575U (en) | 2010-04-13 | 2010-04-13 | Portable electric shears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166746A (en) * | 2011-04-01 | 2011-08-31 | 宁波石木机电有限公司 | Multifunctional saw with scissor head |
| CN104339327A (en) * | 2013-07-23 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Electric tool and electric shears accessory thereof |
-
2010
- 2010-04-13 CN CN2010201574161U patent/CN201659575U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166746A (en) * | 2011-04-01 | 2011-08-31 | 宁波石木机电有限公司 | Multifunctional saw with scissor head |
| CN104339327A (en) * | 2013-07-23 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Electric tool and electric shears accessory thereof |
| CN104339327B (en) * | 2013-07-23 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Electric tool and electric clippers annex thereof |
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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: 20101201 Termination date: 20160413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |