CN204466346U - The dual-purpose circular saw of hand-held - Google Patents
The dual-purpose circular saw of hand-held Download PDFInfo
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- CN204466346U CN204466346U CN201520113032.2U CN201520113032U CN204466346U CN 204466346 U CN204466346 U CN 204466346U CN 201520113032 U CN201520113032 U CN 201520113032U CN 204466346 U CN204466346 U CN 204466346U
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Abstract
The utility model discloses the dual-purpose circular saw of a kind of hand-held.The dual-purpose circular saw of this hand-held comprise electric machine assembly, cutting blade, the fixed blade guard be fixedly connected with electric machine assembly, the main handle assembly be socketed on the motor casing of electric machine assembly, be socketed on electric machine assembly the cylinder coaxial with cutter bobbin on comb branch plate and flexible blade guard, wherein, the dual-purpose circular saw of this hand-held can be changed between pruning state and sawing state.
Description
Technical field
The utility model relates to a kind of circular saw, relates to a kind of hand-held rotary saw having two kinds of functions concurrently particularly.
Background technology
The hand-held rotary saw of single sawing purposes and the hand-held rotary shrub and hedge trimmer of single pruning purposes, widely use at present.But in real work, often run into sawing simultaneously and prune two kinds of job requirements, if be only equipped with above-mentioned a kind of instrument, sometimes work just not too convenient, even cannot go on.If above-mentioned two kinds of instruments are all assorted, then increase financial burden and storage space, particularly carry and seem inconvenient.
Utility model content
In order to solve the problem, the utility model provides a kind of hand-held dual-purpose circular saw, the dual-purpose circular saw of this hand-held comprise electric machine assembly, cutting blade, the fixed blade guard be fixedly connected with described electric machine assembly, be socketed in described electric machine assembly motor casing on main handle assembly, be socketed on described electric machine assembly the cylinder coaxial with cutter bobbin on comb branch plate and flexible blade guard, wherein, the dual-purpose circular saw of described hand-held can be changed between pruning state and sawing state.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described main handle assembly can rotate around described motor casing.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described comb branch plate and described flexible blade guard together can be installed axle center around it and to rotate and described flexible blade guard independently can also rotate when described comb branch plate is fixing, to finish the work patten transformation by rotating described main handle assembly and described comb branch plate respectively.
According to preferred form of the present utility model, the dual-purpose circular saw of described hand-held also comprises pattern synchronization switching mechanism, and described pattern synchronization switching mechanism makes described main handle assembly and described comb branch plate be associated.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, when the dual-purpose circular saw of described hand-held is sawing state from pruning State Transferring, described cutting blade becomes the saw blade of more than 20 teeth from the blade being less than 6 swords, and when the dual-purpose circular saw of described hand-held is converted to pruning state from sawing state, described cutting blade becomes from saw blades more than 20 teeth the blade being less than 6 swords.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, both to be drawn by flexible blade guard back-moving spring between described flexible blade guard and described comb branch plate and be close together, common composition one is more than or equal to the occlusion area of 360 °.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, the slewing area that described main handle assembly makes reciprocating rotation around described motor casing is 90 °, and described main handle assembly is clamped in latched position at two extreme position point clamping knobs of its slewing area.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, the slewing area that with the cutter bobbin coaxial cylinder of described comb branch plate on described electric machine assembly makes reciprocating rotation is 180 °.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described comb branch plate carries screw hole column and fixed knob, the openend of described fixed blade guard diametrically has two recess grooves symmetrically, allow the shaft of the described fixed knob of described comb branch plate to enter in described recess groove, the groove of described recess groove is along the described fixed knob clamping and positioning for described comb branch plate.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, at two extreme position points that described comb branch plate rotates, the shaft of described fixed knob can enter in the described recess groove of described fixed blade guard, described fixed knob is screwed after entering described recess groove, the upper surface of described screw hole column and the lower surface of described fixed knob by the groove of described recess groove along clamping, thus will lock the position of described comb branch plate.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described pattern synchronization switching mechanism is by 1 driving gear, and 1 or 2 idler gears, 1 driven gear and 1 directive wheel form jointly.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described driving gear is internal gear, the inner ring of described driving gear is provided with gathering sill, for directive wheel guide-localization, the outer face of described driving gear is provided with the mounting interface be fixed together with described main handle assembly, and described idler gear and described driven gear are external gear, described driven gear and cutter bobbin concentric, and be fixedly connected with described comb branch plate.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, the design gearratio of the gear train of described pattern synchronization switching mechanism is 1: 2, rotates 90 ° and described comb branch plate follows job requirement and the operation requirements of rotation 180 ° to meet described main handle assembly.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, described main handle assembly has left semi-handle and right semi-handle, and the cylinder of a band open seam is synthesized in their one end, and this cylinder is rotatably linked on described motor casing.
According to preferred form of the present utility model, in the dual-purpose circular saw of described hand-held, a pretension adjustment screw is respectively had in the top and bottom of described open seam, there is a clamping knob centre, under the effect of described pretension adjustment screw, described main handle assembly makes smooth rotation around described motor casing, when forwarding two extreme position points to, compresses described open seam until described main handle assembly clips on described motor casing with described clamping knob.
By means of the dual-purpose circular saw of hand-held provided by the utility model, when running into sawing and prune two kinds of job requirements in real work simultaneously, only need be equipped with above-mentioned a kind of instrument and just can carry out sawing and pruning easily and financial burden and storage space can not be increased.
Accompanying drawing explanation
Below, in conjunction with following accompanying drawing, each embodiment of the present utility model is described, wherein:
Figure 1A is that the dual-purpose circular saw of hand-held of the present utility model is pruning the operation chart under duty;
Figure 1B is the operation chart of the dual-purpose circular saw of hand-held of the present utility model under sawing duty;
Fig. 2 is the structural representation of the fixed blade guard of the dual-purpose circular saw of hand-held of the present utility model;
Fig. 3 is the comb branch plate connected by flexible blade guard back-moving spring of the dual-purpose circular saw of hand-held of the present utility model and the operation chart of flexible blade guard;
Fig. 4 is the structural representation of the main handle assembly assembled of the dual-purpose circular saw of hand-held of the present utility model; And
Fig. 5 is the structural representation of the pattern synchronization switching mechanism of the dual-purpose circular saw of hand-held of the present utility model.
Embodiment
Below, be described specifically with reference to accompanying drawing each embodiment to the dual-purpose circular saw of hand-held of the present utility model.The dual-purpose circular saw of hand-held of the present utility model is suitable for cutting the workpiece be made up of materials such as timber, plastics, soft metals, and can be changed cutting blade carried out the thing such as topiary, flowers and plants by working mode change.
Figure 1A is that the dual-purpose circular saw of hand-held of the present utility model is pruning the operation chart under duty.Figure 1B is the operation chart of the dual-purpose circular saw of hand-held of the present utility model under sawing duty.
Embodiment 1
As shown in Figure 1A and 1B, for above-mentioned situation, the utility model devises a kind of dual-purpose circular saw of hand-held that doublely can do sawing and prune two kinds of work.Form primarily of electric machine assembly 1, fixed blade guard 2, flexible blade guard 3, comb branch plate (also referred to as determining shear) 4, main handle assembly 5 and cutting blade 7 according to the dual-purpose circular saw of a kind of hand-held of the present utility model.
Electric machine assembly 1 comprises the electromotor of the power source as circular saw.
Be arranged on the output shaft of electromotor in the side of electric machine assembly 1 for the cutting blade 7 of cut workpiece.Cutting blade 7 can be the saw blade being less than more than the blade of 6 swords or 20 teeth.
Fixed blade guard 2 and electric machine assembly 1 are fixed together.Fixed blade guard 2 is roughly semicircle.In order to clearly describe all directions, can with fixed blade guard 2 for object of reference (seeing below).
Flexible blade guard 3 is also roughly semicircle.Comb branch plate 4 is except having comb branch and determining, except snip function, also to have function of safety protection.Interval between the plate tooth of comb branch plate 4 should be designed according to the requirement of relevant safety regulations (such as, GS below standard-required 8mm), can meet the requirement of security protection when carrying out pruning work.
Flexible blade guard 3 is together enclosed within the cylinder coaxial with cutter bobbin on electric machine assembly 1 with comb branch plate 4, can together make 180 ° of reciprocating rotations around this cylinder.
Fig. 2 is the structural representation of the fixed blade guard of the dual-purpose circular saw of hand-held of the present utility model.
As shown in Figure 2, on the openend of fixed blade guard 2, (diametric(al) of semicircle) is provided with left recess groove 21 and right recess groove 22 symmetrically in left-right direction.A surface of fixed blade guard 2 is roughly U-shaped, and another surface is roughly semi-circular.Left recess groove 21 and right recess groove 22 are arranged on the surface of roughly U-shaped.The surface of the roughly U-shaped of fixed blade guard 2 is fixedly connected on the casing of electric machine assembly 1 (also can therewith casing be made of one).
Fig. 3 is the comb branch plate connected by flexible blade guard back-moving spring of the dual-purpose circular saw of hand-held of the present utility model and the operation chart of flexible blade guard.
As shown in Figure 3, flexible blade guard 3 and comb branch plate 4 to be drawn by flexible blade guard back-moving spring 31 in nature and are close together, region >=360 ° (namely having allowed overlapping region) that both surround.Flexible blade guard 3 is provided with recess, and when flexible blade guard 3 and comb branch plate 4 are close together, the screw hole column 41 on comb branch plate 4 or fixed knob 42 (will be described below) can be contained in the recess of flexible blade guard 3.
Which parts no matter in flexible blade guard 3 and comb branch plate 4 forward the dead ahead of fixed blade guard 2 to, can both shelter from cutting blade cutting edge completely and protect cutting blade, thus reach safety standard requirements together with fixed blade guard 2.
Especially, the lower edge (edge exposed) under the sawing state of flexible blade guard 3 can make duckbill.When circular saw carries out sawing operation, be resisted against on workpiece by cutting blade 7 and flexible blade guard 3, flexible blade guard 3 backs down and rotates relative to comb branch plate 4 by the reaction force of workpiece.Flexible blade guard 3 is depended on the thickness or rugosity for the treatment of sawing workpieces by the degree backed down.If do not have workpiece against flexible blade guard 3, then flexible blade guard 3 can close in the presence of a tensile force automatically.
That is, when circular saw transfers sawing state to from pruning state, the rotation of comb branch plate can drive flexible blade guard to rotate together; And when combing branch plate and being locked rear disk saw sawing workpieces, flexible blade guard independently can rotate separately relative to comb branch plate under the effect of external force.
Comb branch plate 4 is provided with a screw hole column 41, fixed knob 42 is furnished with in screw, when combing branch plate and making 180 ° of reciprocating rotations to left and right end points (90 ° and-90 °), the shaft of fixed knob 42 falls in left recess groove 21 default on fixed blade guard 2 or right recess groove 22 just, then be tightened knob 42, the groove of recess groove 21 or 22 edge just can be clamped by the upper surface of screw hole column 41 and the lower surface of fixed knob 42, thus it is in position to comb branch plate 4.
Fig. 4 is the structural representation of the main handle assembly assembled of the dual-purpose circular saw of hand-held of the present utility model.
As shown in Figure 4, main handle assembly 5 comprises left semi-handle 51 and right semi-handle 52, and the cylinder of a band open seam is synthesized in their one end, and this cylinder can be linked on motor casing; Respectively have a pretension adjustment screw 54 in the top and bottom of open seam, there is a clamping knob 53 centre, and under the effect of pretension adjustment screw 54, main handle assembly 5 can make smooth rotation around motor casing.According to designing requirement, the scope that main handle assembly 5 rotates is limited in 0 ° ~ 90 °, when forwarding two end points (0 ° and 90 °) to, can screw clamping knob 53 and compress aperture slots to be clipped on motor casing by main handle assembly 5.
Incidentally, cable joint-box can be made in main handle assembly 5 inside to hold the electric power cable providing electric power to electric machine assembly.
The dual-purpose circular saw of hand-held of the present utility model can also comprise the auxiliary-handle 8 shown in Figure 1B, on the support that auxiliary-handle 8 can be arranged on motor casing along the radial direction (also referred to as perpendicular radii direction) vertical with diametric(al) of fixed blade guard 2 or be connected with motor casing.When using dual-purpose circular saw to carry out sawing workpieces, operator can hold main handle assembly 5 with one and hold auxiliary-handle 8 with another simultaneously.In this case, circular saw stability operationally can be improved.
Below, be described in conjunction with the operation of the dual-purpose circular saw of the hand-held of Figure 1A and 1B to the present embodiment and working mode change.
Prune duty (Figure 1A): (this state is set as original state, and be defined as front with the opening direction of fixed blade guard 2 in below describing, the vision basic point of operator is positioned at the top, rear of fixed blade guard 2)
This duty corresponds to thinner workpiece.Workpiece mentioned here can refer to branch or the flowers and plants of the timber such as branch, shrub.
In this duty, cutting blade is the blade being less than 6 swords; Main handle assembly 5 is positioned at the positive back upper place of fixed blade guard 2, and flexible blade guard 3 is positioned at the inside of fixed blade guard 2, and comb branch plate 4 is positioned at the dead ahead of fixed blade guard 2.The safeguard protection of comb branch plate 4 and fixed blade guard 2 together complete paired blades.Now, main handle assembly 5 is clamped on the perpendicular radii direction of fixed blade guard 2 by clamping knob 53.Comb branch plate 4 is fixed by the fixed knob 42 of comb branch plate 4 in the left recess groove 21 of fixed blade guard 2.As long as now starter motor, comb branch plate 4 just can be pruned branch or flowers and plants with the blade of High Rotation Speed as hair scissors.
Sawing duty (Figure 1B):
This duty corresponds to thicker workpiece.If will carry out sawing to comparatively fat tree branch, the blade being less than 6 swords can be changed into the saw blade of tens of tooth by us, and this dual-purpose circular saw is converted to sawing pattern:
1) clamping knob 53 of main handle assembly 5 and the fixed knob 42 of comb branch plate 4 is unscrewed respectively;
2) main handle assembly 5 is made to rotate clockwise 90 °, comb branch plate 4 is made to rotate clockwise 180 °, due to the effect of back-moving spring 31, flexible blade guard 3 and then can be combed a plate 4 and rotate 180 ° together, thus comb branch plate 4 is hidden in fixed blade guard 2 inside, flexible blade guard 3 is positioned at fixed blade guard 2 dead ahead; Flexible blade guard 3 and fixed blade guard 2 together complete the safeguard protection to saw blade.
3) fixed knob 42 that the clamping knob 53 of main handle assembly 5 and comb branch plate 4 is positioned at right recess groove 22 is screwed with by above-mentioned locking position;
4) auxiliary-handle 8 is installed.As long as now starter motor, the saw blade of High Rotation Speed just equally can carry out sawing work like common hand-held rotary saw.
Recover to prune duty:
1) saw blade is changed into the blade being less than 6 swords.
2) clamping knob 53 of main handle assembly 5 and the fixed knob 42 of comb branch plate 4 is unscrewed respectively;
3) make main handle assembly 5 rotate counterclockwise 90 °, make comb branch plate 4 rotate counterclockwise 180 °; Due to the effect of back-moving spring 31, flexible blade guard 3 and then can be combed a plate 4 and rotate 180 ° together, thus flexible blade guard 3 is hidden in fixed blade guard inside, and comb branch plate 4 is positioned at the dead ahead of fixed blade guard 2.
4) fixed knob 42 of the clamping knob 53 and comb branch plate 4 that screw main handle assembly 5, with by above-mentioned locking position, this completes and recovers to prune duty.As long as now starter motor, comb branch plate 4 can be pruned branch like hair scissors is the same again with the blade of High Rotation Speed.
In the present embodiment, complete mode transition procedure by the mode of rotating comb branch plate and main handle assembly respectively, thus also can complete pruning and sawing two kinds work.But, because comb branch plate and main handle assembly cannot form synchronous interaction when working mode change, so add operating procedure, make mode transition procedure loaded down with trivial details.
Embodiment 2
The dual-purpose circular saw of hand-held in embodiment 2 of the present utility model and the dual-purpose circular saw difference of hand-held in embodiment 1 are to comprise pattern synchronization switching mechanism 6.
Fig. 5 is the structural representation of the pattern synchronization switching mechanism of the dual-purpose circular saw of hand-held of the present utility model.
As shown in Figure 5, pattern synchronization switching mechanism 6 is made up of a driving gear 61, or two idler gears, 62, driven gear 63 and a directive wheel 64.
The driving gear 61 of pattern synchronization switching mechanism 6 is internal gear, and the inner ring of driving gear 61 is provided with gathering sill 611 for directive wheel guide-localization, and the outer face of driving gear 61 is provided with the mounting interface 612 be fixed together with main handle assembly 5; Idler gear 62 and driven gear 63 are external gear, and driven gear 63 is with comb branch plate 4 concentric and be fixed together.Directive wheel 64 is rolling bearing, is convenient to smart scroll in gathering sill.
This pattern synchronization switching mechanism can reduce patten transformation step, flexible blade guard and comb branch plate just can be driven together to rotate as long as rotate main handle assembly.In pattern synchronization switching mechanism, the gearratio of gear train is designed to 1: 2, can ensure like this main handle turn 90 ° after flexible blade guard 3 and comb branch plate 4 follow rotation 180 °, reach the position required by work and main handle is easy to again operation.
Below, be described in conjunction with the operation of the dual-purpose circular saw of the hand-held of Figure 1A and 1B to the present embodiment and working mode change.
Prune duty (Figure 1A): (this state is set as original state, and be defined as front with the opening direction of fixed blade guard in below describing, the vision basic point of operator is positioned at the top, rear of fixed blade guard)
In this duty, cutting blade is the blade being less than 6 swords; Main handle assembly 5 is positioned at the positive back upper place of fixed blade guard 2, and flexible blade guard 3 is positioned at the inside of fixed blade guard 2, and comb branch plate 4 is positioned at the dead ahead of fixed blade guard 2.The safeguard protection of comb branch plate 4 and fixed blade guard 2 together complete paired blades.Now, main handle assembly 5 is clamped on the perpendicular radii direction of fixed blade guard 2 by clamping knob 53.Comb branch plate 4 is fixed by the fixed knob 42 of comb branch plate 4 in the left recess groove 21 of fixed blade guard 2.As long as now starter motor, comb branch plate 4 just can be pruned branch with the blade 7 of High Rotation Speed as hair scissors.
Sawing duty (Figure 1B):
Under this duty, the blade being less than 6 swords can be changed into the saw blade of tens of tooth by us, and this dual-purpose circular saw is converted to sawing pattern:
1) clamping knob 53 of main handle assembly 5 and the fixed knob 42 of comb branch plate 4 is unscrewed respectively;
2) main handle 90 ° is rotated clockwise, now, due to the effect of pattern synchronization switching mechanism 6 and back-moving spring 31, flexible blade guard 3 can follow with comb branch plate 4 together with rotate clockwise 180 °, make comb branch plate 4 be hidden in fixed blade guard inside, flexible blade guard 3 is positioned at fixed blade guard dead ahead; Flexible blade guard 3 and fixed blade guard 2 together complete the safeguard protection to saw blade.
3) clamping knob 53 of main handle assembly 5 and the fixed knob 42 being positioned at right recess groove 22 of comb branch plate 4 is screwed with by above-mentioned locking position;
4) auxiliary-handle 8 is installed.As long as now starter motor, the saw blade of High Rotation Speed just equally can carry out sawing work like common hand-held rotary saw.
Recover to prune duty:
1) saw blade of tens of tooth is gained the blade being less than 6 swords.
2) clamping knob 53 of main handle assembly 5 and the fixed knob 42 of comb branch plate 4 is unscrewed respectively;
3) main handle assembly 5 is made to rotate counterclockwise 90 °, now, due to the effect of pattern synchronization switching mechanism 6 and back-moving spring 31, flexible blade guard 3 rotates counterclockwise 180 ° together with following with comb branch plate 4, thus flexible blade guard 3 is hidden in fixed blade guard 2 inside, comb branch plate 4 is positioned at the dead ahead of fixed blade guard 2.
4) clamping knob 53 of main handle assembly 5 and the fixed knob 42 of comb branch plate 4 is screwed with by above-mentioned locking position; This completes and recover to prune duty; As long as now starter motor, comb branch plate 4 can be pruned branch like hair scissors is the same again with the blade of High Rotation Speed.
In the present embodiment, owing to having installed pattern synchronization switching mechanism in the dual-purpose circular saw of hand-held, when working mode change, pattern synchronization switching mechanism produces connected effect.So, rotation comb branch plate and main handle assembly respectively can be passed through and just can complete mode transition procedure, thus more efficiently can complete pruning and sawing two kinds work.
Modified example
The utility model is not limited to above-described embodiment, can have multiple variations under the prerequisite not deviating from design of the present utility model and main idea.
When the dual-purpose circular saw of hand-held does not have pattern synchronization switching mechanism 6, sequencing main handle assembly 5 being rotated and comb branch plate 4 is rotated relative to fixed blade guard 2 relative to motor casing does not limit, and operator can select arbitrarily according to the operating habit of oneself.When the dual-purpose circular saw of hand-held has pattern synchronization switching mechanism 6, main handle assembly 5 should be made to rotate relative to motor casing and to drive comb branch plate 4 to rotate relative to fixed blade guard 2 simultaneously.
Although hereinbefore using the original state of the state of pruning as circular saw, but sawing state also can be used as the original state of circular saw, circular saw can freely be changed between these two states.
Be close together although be described above to be drawn by back-moving spring 31 between flexible blade guard 3 and comb branch plate 4, but the utility model is not limited thereto.Any structure can be adopted, rotate together with comb branch plate 4 as long as this structure can realize flexible blade guard 3 and can independently rotate at the situation low protection cover 3 that comb branch plate 4 is fixing.Such as, many grades of retaining structures can be used between flexible blade guard 3 and comb branch plate 4.
Although be described above pattern synchronization switching mechanism to adopt gear drive, but the utility model is not limited thereto.Such as, rope band transmission etc. also can be used as the kind of drive between comb branch plate and main handle assembly.
According to the requirement of safety standard, only when main handle assembly 5 and comb branch plate 4 arrive its extreme position separately, circular saw just can start.Therefore, the extreme position of the main handle assembly that can describe hereinbefore 5 and comb branch plate 4 arranges microswitch, in case when main handle assembly or comb branch plate not in place start the machine.
Auxiliary-handle 8 in each embodiment of the application just can be arranged on motor casing or support when circular saw carries out cut operation, or just can be arranged on motor casing or support when circular saw being converted to sawing pattern.
Hereinbefore, in conjunction with specific embodiments various embodiment of the present utility model is described.But, should be understood that: the purpose of each embodiment of the present utility model is not the restriction to the application.Those skilled in the art can make various modifications and variations to the utility model under the inspiration of the application's disclosure.Scope of the present utility model also should contain these modifications and variations.
Claims (15)
1. the dual-purpose circular saw of hand-held, comprise electric machine assembly, cutting blade, the fixed blade guard be fixedly connected with described electric machine assembly, be socketed in described electric machine assembly motor casing on main handle assembly, be socketed on described electric machine assembly the cylinder coaxial with cutter bobbin on comb branch plate and flexible blade guard
It is characterized in that, the dual-purpose circular saw of described hand-held can be changed between pruning state and sawing state.
2. the dual-purpose circular saw of hand-held according to claim 1, is characterized in that,
Described main handle assembly can rotate around described motor casing.
3. the dual-purpose circular saw of hand-held according to claim 1, is characterized in that,
Described comb branch plate and described flexible blade guard together can be installed axle center around it and to rotate and described flexible blade guard independently can also rotate when described comb branch plate is fixing, to finish the work patten transformation by rotating described main handle assembly and described comb branch plate respectively.
4. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, also comprises pattern synchronization switching mechanism, and described pattern synchronization switching mechanism makes described main handle assembly and described comb branch plate be associated.
5. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, is characterized in that,
When the dual-purpose circular saw of described hand-held is sawing state from pruning State Transferring, described cutting blade becomes the saw blade of more than 20 teeth from the blade being less than 6 swords, and when the dual-purpose circular saw of described hand-held is converted to pruning state from sawing state, described cutting blade becomes from saw blades more than 20 teeth the blade being less than 6 swords.
6. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, is characterized in that,
Both to be drawn by flexible blade guard back-moving spring between described flexible blade guard and described comb branch plate and be close together, common composition one is more than or equal to the occlusion area of 360 °.
7. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, is characterized in that,
The slewing area that described main handle assembly makes reciprocating rotation around described motor casing is 90 °, and described main handle assembly is clamped in latched position at two extreme position point clamping knobs of its slewing area.
8. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, is characterized in that,
The slewing area that with the cutter bobbin coaxial cylinder of described comb branch plate on described electric machine assembly makes reciprocating rotation is 180 °.
9. the dual-purpose circular saw of the hand-held according to Claims 2 or 3, is characterized in that,
Described comb branch plate carries screw hole column and fixed knob, the openend of described fixed blade guard diametrically has two recess grooves symmetrically, allow the shaft of the described fixed knob of described comb branch plate to enter in described recess groove, the groove of described recess groove is along the described fixed knob clamping and positioning for described comb branch plate.
10. the dual-purpose circular saw of hand-held according to claim 9, is characterized in that,
At two extreme position points that described comb branch plate rotates, the shaft of described fixed knob can enter in the described recess groove of described fixed blade guard, described fixed knob is screwed after entering described recess groove, the upper surface of described screw hole column and the lower surface of described fixed knob by the groove of described recess groove along clamping, thus will lock the position of described comb branch plate.
The dual-purpose circular saw of 11. hand-held according to claim 4, is characterized in that,
Described pattern synchronization switching mechanism is by 1 driving gear, and 1 or 2 idler gears, 1 driven gear and 1 directive wheel form jointly.
The dual-purpose circular saw of 12. hand-held according to claim 11, is characterized in that,
Described driving gear is internal gear, the inner ring of described driving gear is provided with gathering sill, for directive wheel guide-localization, the outer face of described driving gear is provided with the mounting interface be fixed together with described main handle assembly, described idler gear and described driven gear are external gear, described driven gear and cutter bobbin concentric, and be fixedly connected with described comb branch plate.
13. dual-purpose circular saws of hand-held according to claim 11 or 12, is characterized in that,
The design gearratio of the gear train of described pattern synchronization switching mechanism is 1: 2, rotates 90 ° and described comb branch plate follows job requirement and the operation requirements of rotation 180 ° to meet described main handle assembly.
The dual-purpose circular saw of 14. hand-held according to claim 2, is characterized in that,
Described main handle assembly has left semi-handle and right semi-handle, and the cylinder of a band open seam is synthesized in their one end, and this cylinder is rotatably linked on described motor casing.
The dual-purpose circular saw of 15. hand-held according to claim 14, is characterized in that,
A pretension adjustment screw is respectively had in the top and bottom of described open seam, there is a clamping knob centre, under the effect of described pretension adjustment screw, described main handle assembly makes smooth rotation around described motor casing, when forwarding two extreme position points to, with described clamping knob, described open seam is compressed until described main handle assembly clips on described motor casing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113032.2U CN204466346U (en) | 2015-02-15 | 2015-02-15 | The dual-purpose circular saw of hand-held |
| PCT/CN2015/073482 WO2016127451A1 (en) | 2015-02-15 | 2015-03-02 | Handheld dual-purpose circular saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520113032.2U CN204466346U (en) | 2015-02-15 | 2015-02-15 | The dual-purpose circular saw of hand-held |
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| CN204466346U true CN204466346U (en) | 2015-07-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105981600A (en) * | 2015-02-15 | 2016-10-05 | 杭州鲁茨科技有限公司 | Handheld dual-purpose disc saw |
| CN106358777A (en) * | 2016-08-26 | 2017-02-01 | 安庆创跃电器有限公司 | Cutting device for horticulture |
| CN108942651A (en) * | 2018-08-13 | 2018-12-07 | 繁昌县通民机械制造有限公司 | A kind of adjustable hand-held cutting sander handle |
| CN110476638A (en) * | 2019-08-29 | 2019-11-22 | 临夏回族自治州森林病虫害防治检疫站 | The saw of a kind of Gao Zhiju and branch removes method |
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2015
- 2015-02-15 CN CN201520113032.2U patent/CN204466346U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105981600A (en) * | 2015-02-15 | 2016-10-05 | 杭州鲁茨科技有限公司 | Handheld dual-purpose disc saw |
| CN105981600B (en) * | 2015-02-15 | 2023-05-30 | 杭州鲁茨科技有限公司 | Hand-held dual-purpose circular saw |
| CN106358777A (en) * | 2016-08-26 | 2017-02-01 | 安庆创跃电器有限公司 | Cutting device for horticulture |
| CN108942651A (en) * | 2018-08-13 | 2018-12-07 | 繁昌县通民机械制造有限公司 | A kind of adjustable hand-held cutting sander handle |
| CN110476638A (en) * | 2019-08-29 | 2019-11-22 | 临夏回族自治州森林病虫害防治检疫站 | The saw of a kind of Gao Zhiju and branch removes method |
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