CN102310414B - Electric scissors - Google Patents
Electric scissors Download PDFInfo
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- CN102310414B CN102310414B CN201010224920.3A CN201010224920A CN102310414B CN 102310414 B CN102310414 B CN 102310414B CN 201010224920 A CN201010224920 A CN 201010224920A CN 102310414 B CN102310414 B CN 102310414B
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- main shaft
- opening
- housing
- electric shear
- groove
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Abstract
The invention discloses electric scissors, which comprise a shell, a motor, a main shaft and cutting blades, wherein the motor is held in the shell; the main shaft is positioned in the shell and driven to rotate by the motor; the cutting blades are detachably fixed on the main shaft and can rotate around the axis of the main shaft under the drive of the main shaft; and the electric scissors are provided with a fixing piece, the shell is provided with an opening, the main shaft is provided with a fixing part, the fixing piece is matched with the fixing part so that the main shaft is fixed relative to the shell, and the fixing piece or the fixing part passes through the opening. According to the electric scissors, the main shaft can be fixed, the blades are convenient to disassemble and assemble, and the structure is simple.
Description
Technical field
The present invention relates to a kind of electric shear, especially about a kind of electric shear of blade easy accessibility.
Background technology
At present along with the progress of technology, the factors such as such as electric shear of the handheld tool of portability relies on its light and handy structure, cuts out conveniently, multi-field application more and more receive an acclaim.
As Chinese open file CN200780038269.7 has disclosed a kind of hand held electric tool, electric tool has a housing, and housing rear end is inner with battery, and the rear end of housing is as grip part convenient operation person's gripping.The middle intersegmental part of housing has the motor that connects battery, motor is connected with forward transmission mechanism, at the front end of housing, there is cutting and cut out the blade of effect, blade is positioned at a side side openings place of housing front end, blade is removably fixedly sleeved on a main shaft of transmission mechanism, and blade is under the effect of motor and transmission mechanism, around the axis rotation of main shaft.At the leading portion of housing and be positioned at above blade, be connected with guard shield with protection worker with housing, prevent from being hurt by blade.At the leading portion of housing and be positioned at below blade, be connected with and protect knife support with housing, play auxiliary cutting.
In practical operation, under different condition of work environment, usually need blade to unload to change different blades from main shaft.But when rotating blade unloads, main shaft tends to rotate together along the direction of rotation of blade, thereby bring a lot of troubles to replacing blade.
Existing solution is to clamp blade with the instrument of bulky complex, and then utilizes other instrument rotating spindles, thereby realizes the replacing of blade.But, need like this professional tool, make troubles.
Summary of the invention
In view of this, technical problem to be solved by this invention is the structure that a kind of blade easy accessibility is provided for electric shear.
The present invention solves the technical scheme that prior art problem adopts: a kind of electric shear, comprising: housing; Be contained in the motor of housing; Be positioned at housing and by motor, driven the main shaft rotating; Removably be fixed on the cutting blade of main shaft; Wherein, electric shear has fixture, and opening is set on housing, and main shaft has fixed part, and fixture coordinates the relative housing of main shaft is fixed with fixed part, and fixture or fixed part are through opening.
Preferably, main shaft has first end and second end relative with first end along axis direction, and cutting blade is fixed on first end, and opening is arranged at the position near the second end on housing, and the fixed position corresponding with opening is in the second end.
Preferably, fixture coordinates main shaft is fixed with respect to housing with fixed part through opening.
Preferably, fixture is coin.
Preferably, opening is consistent with the shape of fixed part.
Preferably, the extended line of the axis of main shaft is through opening.
Preferably, opening is elongated groove, and its width is between 1mm to 3mm.
Preferably, be positioned at opening both sides and be respectively equipped with the butting section that protrudes from surface of shell.
Preferably, fixed part comprises the groove that is positioned at the second end end face.
Preferably, the width of groove is equal to, or greater than the width of opening.
Preferably, electric shear has the tightening member of fixed cutting blade on main shaft, and tightening member, for band cap screw, has draw-in groove on the nut with cap screw.
Preferably, the width of draw-in groove is between 1mm to 3mm.
Preferably, the width of draw-in groove, groove and groove is roughly the same.
Preferably, a kind of electric shear, comprises housing; Be contained in the motor of housing; Be positioned at housing and by motor, driven the main shaft rotating; Removably be fixed on the cutting blade of main shaft, cutting blade can be rotated around the axis of main shaft by main shaft drives; Wherein, opening is set on housing, on main shaft, there is the fixed part corresponding with opening, make instrument coordinate the relative housing of main shaft is fixed with fixed part through housing from opening.
Compared with prior art, beneficial effect of the present invention is: during dismounting rotating blade, can fix main shaft, blade is loaded and unloaded fast, and also simple in structure, operate and do not need complicated instrument.
Accompanying drawing explanation
Above-described object of the present invention, technical scheme and beneficial effect can, by the detailed description that can realize specific embodiments of the invention below, be described and clearly acquisition simultaneously by reference to the accompanying drawings.
Identical label in accompanying drawing and description and symbol are for representing element identical or that be equal to.
Fig. 1 is the schematic diagram of the first side of the electric shear of one embodiment of the invention.
Fig. 2 is the decomposing schematic representation of the first side of the electric shear shown in Fig. 1.
Fig. 3 is the decomposing schematic representation of the second side of the electric shear shown in Fig. 1.
Fig. 4 is that the electric shear shown in Fig. 1 removes the schematic diagram after part shell.
Fig. 5 is the schematic diagram of the second side of the electric shear shown in Fig. 1.
Fig. 6 is the schematic diagram of the electric shear fixture of another embodiment of the present invention.
1, driven shearing 2, housing 3, switch
4, main shaft 5, cutting blade 6, band cap screw
7, protective cover 8, support 9, opening
10, fixed part 11, element 21, dynamical system
22, motor 23, transmission device 24, output
31, the first side 32, the second side 41, axis
42, first end 43, the second end 44, first end end face
45, the second end end face 51, cutting part 52, fixing hole
60, screw 61, screwed hole 62, internal thread
63, external screw thread 64, nut 65, draw-in groove
81, support arm 82, auxiliary blade 91, butting section
92, groove 111, joint 112, operating portion
113, elastic component
The specific embodiment
About detailed description of the present invention and technology contents, coordinate accompanying drawing to be described as follows, but appended accompanying drawing only provide reference and explanation, is not used for the present invention to be limited.
Shown in Fig. 1, in most preferred embodiment of the present invention, electric shear 1 comprises housing 2, and housing 2 is elongated shape, and handled easily person grips.The top of housing 2 has a switch 3, for starting electric shear 1.After work starting switch 3, operator promotes electric shear 1 by gripping housing 2 and advances forward.As shown in Figure 3 and Figure 4, have dynamical system 21 for power is provided in housing 2, dynamical system 21 includes motor 22 and transmission device 23.Motor 22 is for outputting power and have a motor drive shaft (not shown), transmission device 23 has input and output 24, input is connected (not shown) with motor drive shaft, and output 24 connects and drives the operate portions (not shown) that is positioned at electric shear 1 front end.In the present embodiment, transmission device 23 is sun planetary gear structure common in this area.Certainly, the structure of transmission device 23 is not restricted to this, within the transmission device 23 that prior art discloses all belongs to scope of the present invention.
As shown in Figure 1 to Figure 3, working position is in the front end of electric shear 1, and it comprises main shaft 4 and cutting blade 5.Operate portions has the first relative side 31 and 32, the first sides 31, the second side and the second side 32 and lays respectively at the both sides of electric shear 1 direction of advance.Main shaft 4 engages with transferring power by common modes such as gear engage with transmission device 23.Main shaft 4 is positioned at housing 2 and has axis 41, and axis 41 is perpendicular to the first side 31 and the second side 32.At main shaft 4, along its axis 41 directions, have relative first end 42 and the second end 43, first end 42 is corresponding with the first side 31, and the second end 43 is corresponding with the second side 32.
As shown in Figure 2, in the first side 31, be provided with a protective cover 7.Protective cover 7 is connected with housing 2 by common fixed forms such as screws.Protective cover 7 is positioned at the top of cutting blade 5 and is roughly circular arc; and its axis 41 directions along main shaft 4 have certain width; therefore the inner space of protective cover 7 can partly hold the cutting part 51 that is positioned at cutting blade 5 first halves, in order to avoid the cutting part 51 of the first half hurts operator.And the cutting part 51 of cutting blade Lower Half is exposed to the outside of protective cover 7 to contact cutting with workpiece.
In the first side 31, be also provided with a support 8.Support 8 is connected with housing 3 by common fixed forms such as screws.Support 8 is positioned at the below of cutting blade 5, and has a horizontally disposed support arm 81, and support arm 81 extends to the direct of travel of electric shear 1.On support arm 81, be supported with an auxiliary blade 82, the corresponding horizontal positioned of auxiliary blade 82.In the present embodiment, auxiliary blade 82 is screwed with support arm 81.The corresponding setting of cutting part 51 of auxiliary blade 82 and cutting blade 5, workpiece to be cut is placed between auxiliary blade 82 and cutting blade 5.
As shown in Figure 2, the tightening member that is positioned at main shaft 4 first ends 42 is for fixed cutting blade 5 and main shaft 4.In the present embodiment, tightening member is band cap screw 6.First end 42 has a first end end face 44 perpendicular to axis 41, and first end end face 44 has screwed hole 61.Screwed hole 61 extends to the inside of main shaft 4 along the axis 41 of main shaft 4, and has internal thread 62 in the inwall extending.With one end of cap screw 6, have the external screw thread 63 matching with internal thread 62, the other end has circular nut 64, and the one end with cap screw 6 with external screw thread 63 is less than the fixing hole 52 of cutting blade 5, therefore can pass fixing hole 52; The one end with nut 64 is greater than fixing hole 52, cannot pass fixing hole 52.In operating process, cutting blade fixing hole 52 is first passed in the one end with cap screw 6 with external screw thread 63, the screwed hole that is screwed into first end end face 44 61 that then can revolve, and cutting blade 5 is fixed on the first end 42 of main shaft 4 like this.On nut 64 with cap screw 6, there is a draw-in groove 65, in the present embodiment, draw-in groove 65 be shaped as elongated flute profile, and the width of draw-in groove 65 just in time can hold the thickness of common coin, about between 1mm to 3mm, like this greatly, an available coin, make it partly insert the draw-in groove 65 on nut 64, rotation coin or fixed coin are not rotated and can be made to be with cap screw 6 to follow coin rotate accordingly or maintain static moving.Certainly, the invention is not restricted to this, the purposes of draw-in groove 65 is for being fixed the tightening member of part rotation or fixed main shaft 4 first ends 42, and its width can become desired value according to the big or small relative set of fixture.
As shown in Figures 3 to 5, in the second side 32, there is an opening 9.In the present embodiment, opening 9 is the position near main shaft 4 second ends 43 at housing 3 specifically, and particularly, axis 41 extended lines of main shaft 4 can pass opening 9.In the present embodiment, the center of opening 9 is just in time positioned on axis 41, facilitates like this fixture to insert the rear aligning main shaft 4 of opening 9.In the present embodiment, opening 9 is elongated groove, and its width, between 1mm to 3mm scope, just in time can hold the thickness of common coin, makes the such fixture of coin can from external environment, partly pass opening 9.On the housing 2 of both sides that is positioned at opening 9, be respectively equipped with butting section 91, butting section 91 is near the both sides of opening 9.And butting section 91 protrudes from housing 2 surfaces and has certain altitude.In the present embodiment, two butting sections 91 are two semi-cylindrical hills that can cooperatively interact, and coordinate the projection that forms a circle along a certain diameter, and opening 9 is positioned on this diameter; Two butting sections 91 mainly play a part to make fixture against also locating, and make the fixture that stretches into opening 9 can not produce inclination after insertion opening 9.
In the present embodiment, the fixed part of the second end 43 is consistent with the shape of opening 9, and it is formed by the groove 92 being positioned on the second end end face 45.Groove 92 is roughly elongated shape.The width of groove 92 can hold the thickness of common coin, between 1mm to 3mm scope, consistent with the width of opening 9 greatly, and certainly, the width of groove 92 is bigger or also within the scope of the invention smaller compared with the width of opening 9.In a preferred embodiment, the width with cap screw 65 that the width of the width of the groove 92 that fixed part forms, the groove that opening 9 forms and tightening member form is roughly the same.It should be noted that in the present embodiment, on the axis that is centered close to main shaft 4 41 of groove 92, therefore the center of groove 92 center and opening 9 is simultaneously on axis 41.In addition, as shown in Figure 3, the opening 9 on housing 2 is positioned on groove 92 in the projection of the second end end face 45 of main shaft 4, and the fixture so stretching into from opening 9 can be inserted into the groove 92 of the second end end face 45 to be fixed main shaft 4.Certainly, in practical operation, opening 9 also can not be positioned on groove 92 in the projection of the second end end face 45, now only need be from first end 51 rotating spindle 4 certain angles, thus the projection of opening 9 is positioned on groove 92.Can also there be other embodiment, for example, the fixed part of the second end 43 is designed to the conventional shape that connects in the mechanical fields such as flat square head-shaped, cross star shape, interior hexagonal configuration, coordinate the fixture of respective shapes also can reach fixing object, opening 9 is equipped with into corresponding shape or any shape that allows corresponding fixture pass all can.
Actual operating process is specific as follows, utilize the fixtures such as common coin partly from opening 9 is outside, to insert until snap in the fixed part of main shaft 4 second ends 43, then operator clamps in the fixture part of opening 9 outsides fixture is fixed, and so just makes main shaft 4 can not rotate.And then utilize for example common coin of an instrument to insert the draw-in groove with cap screw 6 65 that is positioned at main shaft 4 first ends 42, by instrument, rotate band cap screw 6 again, make to screw out from the screwed hole 61 of main shaft first end 42 with cap screw 6, thereby can dismantle rotating blade 6.In this process, main shaft 4 is inserted into all the time the fixture of the second end 43 fixed parts and fixes and do not rotate, and makes dismounting rotating blade 6 very convenient, and relatively simple for structure.
Also have other embodiment as shown in Figure 6, main shaft 4 has first end 42 equally, and tightening member fixed cutting blade 5 is in the first end 42 of main shaft 4, and the second end 43 of main shaft 4 is connected with housing is pivotable.Fixed part is formed by the fixing port 10 that is positioned at main shaft 4 middle parts, in the place of housing 2 corresponding fixed parts, opening 9 is set simultaneously, and fixture is through opening 9 and be fixed main shaft 4 with fixing port 10.In the present embodiment, fixture is the element 11 on electric shear 1, element 11 has joint 111 and operating portion 112, between operating portion 112 and housing 2, be provided with elastic component 113 so that restoring force to be provided, joint 111 is aimed at the fixing port 10 of main shaft 4, the exposing outside housing 2, during operation of operating portion 112 parts, extrusion operation portion 112 makes operating portion 112 promote joint 111 and snaps in fixing port 10, thereby it is fixing with respect to housing 2 to realize main shaft 4.
Claims (12)
1. an electric shear, comprising: housing; Be contained in the motor of described housing; Be positioned at described housing and by described motor, driven the main shaft rotating; By tightening member, be removably fixed on the cutting blade of described main shaft, it is characterized in that: described electric shear has fixture, on described housing, opening is set, described main shaft has fixed part, when needs are dismantled described cutting blade, described fixture coordinates the relative described housing of described main shaft is fixed with described fixed part, and described fixture or described fixed part are through described opening, and described tightening member screws out from one end of described main shaft.
2. electric shear according to claim 1, it is characterized in that: described main shaft has first end and second end relative with described first end along its axis direction, cutting blade is fixed on described first end, described opening is arranged at the position near described the second end on described housing, and the described fixed position corresponding with described opening is in described the second end.
3. electric shear according to claim 2, is characterized in that: described fixture coordinates described main shaft is fixed with respect to described housing with described fixed part through opening.
4. electric shear according to claim 3, is characterized in that: described fixture is coin.
5. electric shear according to claim 3, is characterized in that: the extended line of the described axis of described main shaft is through described opening.
6. electric shear according to claim 3, is characterized in that: described opening is consistent with the shape of described fixed part.
7. electric shear according to claim 3, is characterized in that: described opening is elongated groove, and its width is between 1mm to 3mm.
8. electric shear according to claim 7, is characterized in that: the both sides that are positioned at described opening are respectively equipped with the butting section of the outer surface that protrudes from described housing.
9. electric shear according to claim 7, is characterized in that: described fixed part comprises the groove that is positioned at described the second end end face.
10. electric shear according to claim 9, is characterized in that: the width of described groove is equal to, or greater than the width of described opening.
11. electric shears according to claim 9, is characterized in that: described electric shear has the tightening member of fixing described cutting blade on described main shaft, and described tightening member, for band cap screw, has draw-in groove on the described nut with cap screw.
12. electric shears according to claim 11, is characterized in that: the width of described draw-in groove, described groove and described groove is roughly the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010224920.3A CN102310414B (en) | 2010-06-30 | 2010-06-30 | Electric scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010224920.3A CN102310414B (en) | 2010-06-30 | 2010-06-30 | Electric scissors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102310414A CN102310414A (en) | 2012-01-11 |
| CN102310414B true CN102310414B (en) | 2014-04-16 |
Family
ID=45424177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010224920.3A Active CN102310414B (en) | 2010-06-30 | 2010-06-30 | Electric scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102310414B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214736B (en) * | 2016-05-19 | 2019-11-05 | 泰兴市智谷科技孵化器中心 | Electric shear header structure |
| TWI710418B (en) * | 2019-01-28 | 2020-11-21 | 盧燦陽 | Power shears |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2623268A1 (en) * | 1975-05-24 | 1976-12-02 | Okada Kogyo Co | CUTTING DEVICE |
| US4301594A (en) * | 1979-10-18 | 1981-11-24 | Okada Kogyo Kabushiki Kaisha | Handy rotary cutter |
| CN201042808Y (en) * | 2007-04-10 | 2008-04-02 | 张碧照 | Circular knife and tail rod consolidated dual-purpose cutter |
| CN101522352A (en) * | 2006-10-12 | 2009-09-02 | 罗伯特·博世有限公司 | Hand machine-tool, especially electrical shears |
| CN201998189U (en) * | 2010-06-30 | 2011-10-05 | 苏州宝时得电动工具有限公司 | Electric scissors |
-
2010
- 2010-06-30 CN CN201010224920.3A patent/CN102310414B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2623268A1 (en) * | 1975-05-24 | 1976-12-02 | Okada Kogyo Co | CUTTING DEVICE |
| US4301594A (en) * | 1979-10-18 | 1981-11-24 | Okada Kogyo Kabushiki Kaisha | Handy rotary cutter |
| CN101522352A (en) * | 2006-10-12 | 2009-09-02 | 罗伯特·博世有限公司 | Hand machine-tool, especially electrical shears |
| CN201042808Y (en) * | 2007-04-10 | 2008-04-02 | 张碧照 | Circular knife and tail rod consolidated dual-purpose cutter |
| CN201998189U (en) * | 2010-06-30 | 2011-10-05 | 苏州宝时得电动工具有限公司 | Electric scissors |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102310414A (en) | 2012-01-11 |
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