CN106737450A - A kind of electric tool of multiple-head type - Google Patents
A kind of electric tool of multiple-head type Download PDFInfo
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- CN106737450A CN106737450A CN201611047828.8A CN201611047828A CN106737450A CN 106737450 A CN106737450 A CN 106737450A CN 201611047828 A CN201611047828 A CN 201611047828A CN 106737450 A CN106737450 A CN 106737450A
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- 238000005520 cutting process Methods 0.000 claims description 7
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- 230000000694 effects Effects 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000013011 mating Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
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- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F3/00—Associations of tools for different working operations with one portable power-drive means; Adapters therefor
Abstract
The invention discloses a kind of electric tool of multiple-head type, belong to field of power tools, including hand-held body, motor is provided with hand-held set body, the motor is connected with output shaft, it is characterised in that, the output shaft overhangs the front end of the hand-held body, all sides of the output shaft are provided with external screw thread, and replaceable working machine head is threaded with the output shaft, and the working machine head is reciprocating saw head or drill chuck.The advantage of the invention is that increasing the wildcard degree of part, cost is reduced.
Description
【Technical field】
The present invention relates to a kind of electric tool of multiple-head type, belong to field of power tools.
【Background technology】
At present, electric tool due to it is lightweight, easy to use the features such as obtained extensively in daily life, processing and manufacturing field
General application, existing electric tool generally includes hand-held body, and motor, the motor connection are provided with hand-held set body
There is output shaft, working machine head is connected on output shaft.
Different according to operation object, people are in use, several often according to various electric tools are bought the need for difference
Plant electric tool to add up, accumulation price is higher, carry also harder.Such issues that on existing market in order to solve, with
The electric tool for occurring in that multiple-head type, though the electric tool of this kind of multiple-head type can a machine match somebody with somebody bull, but matched somebody with somebody interface
Respective special purpose interface is substantially, versatility is poor.
【The content of the invention】
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art and provide a kind of the electronic of multiple-head type
Instrument, increases the wildcard degree of part, reduces cost.
Above-mentioned technical problem is solved, the present invention is adopted the following technical scheme that：
A kind of electric tool of multiple-head type, including hand-held body, are provided with motor, the motor in hand-held set body
It is connected with output shaft, it is characterised in that the output shaft overhangs the front end of the hand-held body, all sides of the output shaft
Be provided with external screw thread, be threaded with replaceable working machine head on the output shaft, the working machine head be reciprocating saw head or
Drill chuck.
Using beneficial effects of the present invention：
One hand-held body wildcard, two heads, for user, can more save without the hand-held body of repeat buying
Money, and for production firm, hand-held body is a general part, can in high volume be produced, and it is traditional drill chuck, past
Multiple saw is first-class all respectively to that should have different hand-held bodies, causes that during production production will be corresponded, it is impossible to which high-volume is raw
Produce, when order changes, easily cause parts to overstock, and after hand-held body is arranged into general part, can courageously carry out
Batch production, it may not be necessary to excessively limited by order, for the production of enterprise, significantly reduce production pressure.
In addition, be that the mode being connected through a screw thread is connected in the present invention, between working machine head and hand-held body, first, spiral shell
The connected mode simple structure of line, connective stability is good, and the mode generalization degree of threaded connection is high, even the present invention
In two working machine heads do not reside on the hand-held body in the present invention, hand-held body, working machine head can also be separately as zero
Part is sold, and carrying out matching with other accessories on the market is connected.Secondly because output shaft is inherently driven by motor turning
It is dynamic, thus working machine head with hand-held body when be connected, using the characteristic of output shaft own rotation, output shaft in rotation,
The mating connection with working machine head can be automatically obtained, when output shaft is inverted, the dismounting with working machine head can be automatically obtained, very
It is convenient.
Preferably, the working machine head is reciprocating saw head, reciprocating saw head is provided with the first centre bore, described first
Centre bore is threadedly coupled with all sides of output shaft.
Preferably, being provided with Oscillating lever bearing component in the reciprocating saw head, the motor passes through Oscillating lever bearing group
Part drives cast-cutting saw slice to move back and forth, and the Oscillating lever bearing component includes the bearing inner-core that is connected with the output shaft, and described the
One centre bore is located on the bearing inner-core.
Preferably, the front end face of the hand-held body is provided with positioning round table, set on the rear end face of the reciprocating saw head
There are the positioning circular groove matched with the positioning round table, the axis of the output shaft and the axis coaxle of positioning round table, the positioning
The side wall of circular groove is provided with the side fastening part for the radially fixed positioning round table.
Preferably, the side fastening part is trip bolt, the inner side end of the trip bolt is provided with annular protrusion.
Preferably, the front end face of the hand-held body is provided with dial, set on the rear end face of the reciprocating saw head
Have with the dial to mutatis mutandis alignment target.
Preferably, being provided with the reciprocating lever being reciprocally moveable, the reciprocating lever and Oscillating lever bearing in the reciprocating saw head
Component is connected, and the reciprocating lever is provided with lock hole, and securing rod is provided with the reciprocating saw head, and securing rod inserts the locking
Hole is with the locked reciprocating lever.
Preferably, the securing rod being provided with the reciprocating saw head for installing the securing rod is perforated, the locking
The inner of bar is provided with and limits its spacing ring for departing from securing rod perforation, and the outer end of the securing rod is provided with button ring, the button
Button return spring is provided between ring and securing rod perforation.
Preferably, the working machine head is drill chuck, be provided with the second centre bore in the drill chuck, the second centre bore with
All sides threaded connection of output shaft.
Preferably, the hole wall that the end face indent of the output shaft has endoporus, the endoporus is provided with internal thread, twisted on endoporus
There is the end face screw drill chuck being fastened on output shaft, the internal thread is oppositely oriented with the external screw thread of output shaft.
These features of the invention and advantage will be detailed in following specific embodiment, accompanying drawing exposure.
【Brief description of the drawings】
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is to be mounted with the structural representation after different working machine heads with an electric tool；
Fig. 2 is electric tool and drill chuck, the connection diagram of reciprocating saw head；
Fig. 3 is the exploded perspective view of the electric tool of multiple-head type；
Fig. 4 is the section view schematic three dimensional views of the electric tool of multiple-head type；
Fig. 5 is the cross-sectional plane schematic diagram of the electric tool of multiple-head type；
Fig. 6 be Fig. 5 in A-A to cross section schematic diagram；
Fig. 7 is the cross section schematic diagram of B-B direction in Fig. 5；
Fig. 8 is the structural representation of Oscillating lever bearing component；
Fig. 9 is the structural representation for connecing lid；
Figure 10 is the structural representation of side fastening part.
【Specific embodiment】
The technical scheme of the embodiment of the present invention is explained and illustrated with reference to the accompanying drawing of the embodiment of the present invention, but under
Embodiment only the preferred embodiments of the present invention are stated, and it is not all.Based on the embodiment in implementation method, those skilled in the art
Other embodiment is obtained on the premise of creative work is not made, protection scope of the present invention is belonged to.
As shown in Figure 1 to Figure 2, the present embodiment is a kind of electric tool of multiple-head type, including hand-held body 1, be located at it is hand-held
Motor in body 1, the motor is connected with output shaft 10, and the output shaft 10 overhangs the hand-held body 1
Front end, all sides of the output shaft 10 are provided with external screw thread, and external screw thread is clockwise direction, the output shaft 10 in the present embodiment
On be threaded with replaceable working machine head, the working machine head is reciprocating saw head 2 or drill chuck 3.One hand-held body 1
Two heads of wildcard, for user, can more save money without the hand-held body 1 of repeat buying, and for production firm,
Hand-held body 1 is a general part, can in high volume be produced, and traditional drill chuck 3, reciprocating saw head 2 are all right respectively
There should be different hand-held bodies, cause that during production production will be corresponded, it is impossible to produce in enormous quantities, when order changes,
Easily cause parts to overstock, and after hand-held body 1 is arranged into general part, can courageously be produced in batches, it may not be necessary to
Excessively limited by order, for correspondence production, significantly reduced production pressure.
It is that the mode being connected through a screw thread is connected in the present embodiment, between working machine head and hand-held body 1, first, screw thread
Connected mode simple structure, connective stability is good, secondly because output shaft 10 inherently receives motor-driven rotation, so work
Make head with hand-held body 1 when being connected, using the characteristic of the own rotation of output shaft 10, output shaft 10, can be certainly when rotating
The dynamic mating connection realized with working machine head, when output shaft 10 is inverted, can be automatically obtained the dismounting with working machine head, very just
Just.
As shown in Figure 2, it is the specific connected mode of hand-held body 1 and two kind of head：
When working machine head is drill chuck 3, the drill chuck 3 is provided with the second centre bore 31 along its axial direction, in second
The hole wall in heart hole 31 is provided with screw thread be engaged with the matching of the external screw thread of output shaft 10, during installation, all sides of output shaft 10 and
Second centre bore 31 is threadedly coupled.
Because drill chuck 3 is influenceed very big by torsion in the course of the work, in order to prevent drill chuck 3 from making by reverse torsion
Depart from from output shaft 10 under, the present embodiment is further reinforced to drill chuck 3, and the end face indent of the output shaft 10 has
Endoporus 101, the wall of the endoporus 101 is provided with internal thread, and end face screw 32 is screwed with endoporus 101, when output shaft 10 all sides with
After second centre bore 31 is connected, end face screw 32 is penetrated from the other end of the second centre bore 31, and is screwed into the interior of output shaft 10
In hole 101, wherein the external thread rotary of the internal thread of the endoporus 101 and output shaft 10 is to conversely, the i.e. side of screwing of end face screw 32
To being left-handed, i.e. the direction of back-outing of drill chuck 3 is the tightening direction of end face screw 32, so when drill chuck 3 is back-outed direction
Torsion when, end face screw 32 more be tightened, so as to realize the effect of self-locking.
When working machine head is reciprocating saw head 2, reciprocating saw head 2 is provided with the first centre bore 41, first center
Hole 41 is threadedly coupled with all sides of output shaft 10, used as further fastening, in the present embodiment, the front end of the hand-held body 1
Face is provided with positioning round table 12, the axis of the output shaft 10 and the axis coaxle of positioning round table 12, and output shaft 10 is stretched out in and determined
The end face of circle of position platform 12, the rear end face of the reciprocating saw head 2 is provided with the positioning circular groove 51 matched with the positioning round table 12,
During installation, positioning round table 12 is fitted in positioning circular groove 51, while output shaft 10 is then screwed in the first centre bore 41.
The side wall of the positioning circular groove 51 is provided with the side fastening part 21 for the radially fixed positioning round table 12, tool
For body, the reciprocating saw head 2 in the present embodiment includes handpiece case, and the wall of the positioning circular groove 51 is provided with side lock tieholen
52, handpiece case includes upper shell 22, lower house 23, soft rubber sleeve 24 in the present embodiment, and side fastening part 21 is in the present embodiment
The trip bolt in side lock tieholen 52 is connected to, when trip bolt is tightened, the extruding force of radial direction can be produced to positioning round table 12,
So as to reach the effect of fastening.
Used as the preferred of the present embodiment, trip bolt is provided with annular protrusion 211 towards the inner side end of positioning round table 12,
The centre of annular protrusion 211 is hollow, such structure design, can be increased between trip bolt and all sides of positioning round table 12
Contact area, frictional force is bigger, and fastening effect is more preferable.Additionally, the side of the outboard end of trip bolt is provided with hexagon ring
212, because many screws of reciprocating saw head 2 are all hex screws, the six of column will be used when dismounting these hex screws
Angle spanner, therefore hexagon ring 212 is set on trip bolt, the die nut of column can equally pass through the hexagon ring 212, be formed
An effect for handle is similar to, fastening effect is carried out to trip bolt, the structure of trip bolt for details, reference can be made to Figure 10.
Further, since reciprocating saw is in real work, the angle cut can may be there are certain requirements, adjusted for convenience
The angle, the front end face of the hand-held body 1 is provided with dial, the rear end face of the reciprocating saw head 2 be provided with it is described
Dial is to mutatis mutandis alignment target 251.During adjustment, first trip bolt can be come loose, now can manually rotate reciprocating saw head
2, in rotation process, alignment target 251 can correspond to the scale on dial, after angle on target is adjusted to, trip bolt be twisted
Tightly, fixed so as to realize angle, when so even vertically hold hand-held body 1, can also realize cutting the oblique of target object
Cut.
If Fig. 3 to Fig. 7 is the specific expansion to the internal structure of reciprocating saw head 2, describe for convenience, define in figure 3
Front and rear direction, the front and rear direction in below describing is the front and rear direction defined in Parameter Map 3：
The general structure of reciprocating saw head 2, including handpiece case, be located in handpiece case be used for connect cast-cutting saw slice 26
The Oscillating lever bearing component 4 of reciprocating lever 6, drive connection between the reciprocating lever 6 and output shaft 10, Oscillating lever bearing component 4 is machine
A kind of conventional mechanical bearing in tool field, its Main Function be by convert rotational motion into axial direction reciprocating motion,
It is that the rotation of output shaft 10 is driven into the linear running of reciprocating lever 6 in the present embodiment, and finally drives the cast-cutting saw slice 26 back and forth to cut
Cut object.
Oscillating lever bearing component 4 includes bearing inner-core 42, bearing outer ring 43 and is set on bearing inner-core 42 in the present embodiment
Swing rod external member, bearing inner-core 42 is provided with the first centre bore 41, and the first centre bore 41 connects with all flank threads of output shaft 10
Connect, bearing outer ring 43 is also to be sleeved on bearing inner-core 42, bearing outer ring 43 is that circumferential plane is rotated, and swing rod external member is by axle
The swing that the slant rail on 42 weeks sides of inner core is rotated and produces axial direction is held, the swing rod external member includes annulus 44
With swing rod post 45, by ball sleeve on the slant rail of bearing inner-core 42, swing rod post 45 is by the footpath of annulus 44 to annulus 44
To the thin cylinder for extending formation, the schematic three dimensional views of Oscillating lever bearing component 4 can be found in Fig. 8.
The end of swing rod post 45 is fitted with the roller 61 of column, and the sidepiece of roller 61 is provided with the plug-in opening 611 of insertion, plug-in opening
611 is that gap coordinates with swing rod post 45, and two ends of roller 61 cross win and are connected with two roller pins 612, reciprocating lever 6
Rearward end be provided with roller groove 62, the left side and right side of roller groove 62 are provided with roller pin hole, and the roller pin 612 of the roller 61 is pacified
In the roller pin hole, whole roller 61 is being contained in roller groove 62, during swing rod 45 swing of post, can be by roller
Pin 612 drives reciprocating lever 6 to move forward and backward, and because swing rod post 45 is swung with certain angle in swing process, therefore swings
Also a certain degree of rotation is produced in journey between roller pin 612 and roller pin hole, to reduce interference.
The main force part of whole Oscillating lever bearing component 4 concentrates on the end of swing rod post 45, the i.e. top of swing rod external member,
And it is smaller away from stress at the annulus 44 of the position of the end of swing rod post 45, therefore swing rod external member is in swing process, unbalance stress
It is even, cause to vibrate in swing process larger, stability is not good enough, the balance of external member is swung in the present embodiment in order to increase, in ring
It is connected with shape portion 44 for reducing the stabilizing member vibrated in swing rod external member swing process, is allowed away from the end side of swing rod post 45
Annulus 44 is also subjected to a part of power, and to play a part of, balance is whole to swing external member, finally plays reduction Oscillating lever bearing component 4
Effect of vibration effect, effectively increase the service life of reciprocating saw head 2.
And stabilizing member is made up of two parts in the present embodiment, a portion is the balance being located on the annulus 44
Block 441, the balance weight 441 and the integrative-structure of the annulus 44 or is fixed on the annulus 44.In the present embodiment
Balance weight 441 is, from the extending radially outward weight of annulus 44, the stress degree between two ends to be balanced with weight, from
And reduce the vibration that swing rod external member is caused because of two ends unbalance stress.
Another part of stabilizing member, then be the back-moving spring being located between the end face of annulus 44 and handpiece case.This implementation
Back-moving spring has two in example, respectively preceding spring 46 and rear spring 47, and the preceding spring 46 and rear spring 47 are respectively provided at ring
The not homonymy in shape portion 44, back-moving spring plays two effects in the present embodiment：First, being to play flat as balance weight 441
The effect at weighing apparatus swing rod external member two ends, reduces swing rod sleeve vibrations；On the other hand, back-moving spring possesses storage when by compression or stretching
The effect of energy and can be released, when annulus 44 swings to two extreme positions, back-moving spring can provide restoring force for annulus 44,
So as to provide reciprocal power to reciprocating lever 6, output shaft 10 can be to a certain extent reduced to oscillation bearing work done.
The specific mounting structure of back-moving spring, Oscillating lever bearing component 4：
Internal box 7 is provided with the present embodiment in handpiece case, the top of internal box 7 and rearward end are opening, swing rod
Bearing assembly 4 is arranged in internal box 7, and the front end of wherein bearing inner-core 42 is connected with rotating shaft 421, rotating shaft 421 and bearing inner-core
Small bearing 422 is provided between 42, the front side wall of internal box 7 is provided with the shaft hole 71 for installing the rotating shaft 421, internal box
Circular arc internal face 72 is provided with inside 7, the axis of circular arc internal face 72 is in same straight line, internal box 7 with the axis of shaft hole 71
Rearward end be provided with and connect lid 5, the front end face for connecing lid 5 is extended with towards the direction of internal box 7 and connects lid inner ring wall 53, connects lid inner ring
The outer shape of wall 53 is matched with circular arc internal face 72, and connects the axis of lid inner ring wall 53 and the axis of circular arc internal face 72 is in
Same axis, connects the inner hollow of lid inner ring wall 53 and forms bearing groove 531, and the bearing outer ring 43 is inlaid in bearing groove 531.
The rear end face for connecing lid 5 is extended with and connects lid collar wall 54, connects the above-mentioned positioning circular groove 51 of the inner hollow of lid collar wall 54,
Four edges for connecing lid 5 are provided with installation through-hole, and the rear end of handpiece case is provided with rear end cap 25, and screw sequentially passes through rear end cap
25th, connect lid 5, and most at last rear end cap 25, connect lid 5 and be fixed on the rear end face of internal box 7, the concrete structure for connecing lid 5 can be found in
Fig. 9.
After being so completed, there is support the front-end and back-end of Oscillating lever bearing component, and there is the front side wall branch of internal box 7 front end
Support, rear end connects lid 5 and supports, and more preferably, rotation process beating degree is small for two ends support rear stability, and in the present embodiment, it is overall
After installation, in same straight line, axiality is high, swings for the axis for connecing lid inner ring wall 53, shaft hole 71, circular arc internal face 72
Vibrated in bearing assembly operation process very small.
The assembling of back-moving spring：The bottom of the end face of the annulus 44 is provided with the first spring groove 442, the first spring groove
442 have two, and respectively positioned at the front end face and rear end face of annulus 44, the shape of the first spring groove 442 is in loudspeaker in the present embodiment
The ball bumps 443 of position reset spring inner ring are provided with mouth shape, first spring groove 442, on the front side wall of internal box 7
Spring retention posts 73 are provided with, described one end of preceding spring 46 is set on spring retention posts 73, and the other end is positioned at ball bumps
It is wallowing motion when being swung due to annulus 44 on 443, the purpose for setting bell mouth shape is annulus 44 in swing process
In, the probability that the first spring groove 442 is interfered with preceding spring 46 can be reduced.Certainly, in the present embodiment on the front side wall of internal box 7
Spring retention posts 73, it is also possible to change second spring groove into, the front end of preceding spring 46 can be contained in second spring groove.
For rear spring 47, the front end face for connecing lid 5 is provided with the 3rd spring groove, and one end of rear spring 47 is inlaid in
In three spring grooves 55, the other end is inlaid in the first spring groove 442, and the 3rd spring groove 55 is replaceable into spring retention posts.
It should be noted that be to be resetted using dual spring in the present embodiment, those skilled in the art also will be appreciated that,
In other embodiment, it would however also be possible to employ Single spring is resetted, this implementation method also falls into protection scope of the present invention.
The top of internal box 7 is provided with interior case lid 74, and the reciprocating lever 6 is arranged between interior case lid 74 and internal box 7, separately
Outward, in order to reduce frictional force of the reciprocating lever 6 in motion process, friction sleeve is provided between the top of reciprocating lever 6 and interior case lid 74
63, reciprocating lever backing plate 64, upper friction sleeve 63 and reciprocating lever backing plate 64 are provided between the bottom of reciprocating lever 6 and the top of internal box 7
It is made of wear-resistant material.During assembling, interior case lid 74, reciprocating lever backing plate 64 are fixed on internal box 7 together simultaneously with screw
Top, while internal box 7 is fixed between upper shell 22 and lower house 23, after upper shell 22 and lower house 23 are completed,
In upper shell 22 and the outer wrap soft rubber sleeve 24 of lower house 23.
When reciprocating saw head 2 is installed to hand-held body 1, positioning circular groove 51 is first directed at positioning round table 12, after alignment, due to
Positioning round table 12 is coaxial with output shaft 10, then output shaft 10 is also accordingly aligned with the first centre bore 41 on bearing inner-core 42,
Start the switch on hand-held body 1, start output shaft 10 and rotate, by the external screw thread on 10 weeks sides of output shaft, output shaft 10
It is automatically mounted into the first centre bore 41, after installation, user can be finely adjusted according to the cutting needs of oneself, setting angle,
After having adjusted, locked using side fastening part 21.
When reciprocating saw head 2 is dismantled, under normal circumstances, it is only necessary to unclamp side fastening part 21, then by handset body 1
On reversal switch, can just allow output shaft 10 to invert, when output shaft 10 is inverted, automatic can be screwed out from the first centre bore 41.So
And in many cases, reciprocating saw after cutting work is carried out, the first centre bore 41 in bearing inner-core 42 often with output shaft
10 are killed, and when output shaft 10 is inverted, bearing inner-core 42 also can be inverted accordingly, and output shaft 10 cannot be from first
Screwed out in centre bore 41, the occurrence of in order to prevent this kind of, locking device is devised to reciprocating lever 6 in the present embodiment.
Specifically, described internal box 7 is provided with securing rod perforation 75, and activity chain is connected to locking in securing rod perforation 75
Bar 8, securing rod 8 is located at the bottom of reciprocating lever 6 in the present embodiment, and the bottom of reciprocating lever 6 is provided with lock hole 65, the top of securing rod 8
Portion is provided with spacing ring 81, and the bottom radial direction reaming of the securing rod perforation 75 forms button slot 751, the bottom of the securing rod 8
Be provided with button ring 82, button ring 82 and the releasable connection of securing rod 8, button ring 82 are contained in button slot 751, and button ring 82 with
Button return spring 83 is provided between the roof of button slot 751.
When disassembly is desired, user can be with button press ring 82, and button return spring 83 is compressed, so that securing rod
8 top is inserted and locking is completed in the lock hole 65, cannot realize moving forward and backward after reciprocating lever 6 is locked, so as to just limit
The swing of swing rod post 45, after swing rod post 45 is limited, bearing inner-core 42 is also rotated by limitation, when now output shaft 10 is inverted,
Output shaft 10 is just automatic to be screwed out from bearing inner-core 42, and situation about inverting is followed without bearing inner-core 42, works as output shaft
After 10 screw out, release button ring 82, button ring 82 can self-return in the presence of button return spring 83.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and is familiar with
The those skilled in the art should be understood that the present invention includes but is not limited to accompanying drawing and interior described in specific embodiment above
Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the scope of claims.
Claims (10)
1. a kind of electric tool of multiple-head type, including hand-held body, is provided with motor in hand-held set body, the motor connects
It is connected to output shaft, it is characterised in that the output shaft overhangs the front end of the hand-held body, all sides of the output shaft set
There is external screw thread, replaceable working machine head is threaded with the output shaft, the working machine head is reciprocating saw head or brill
Chuck.
2. multiple-head type electric tool as claimed in claim 1, it is characterised in that the working machine head is reciprocating saw head, past
Multiple saw machine head is provided with the first centre bore, and first centre bore is threadedly coupled with all sides of output shaft.
3. multiple-head type electric tool as claimed in claim 2, it is characterised in that be provided with Oscillating lever bearing in the reciprocating saw head
Component, the motor by Oscillating lever bearing Component driver cast-cutting saw slice move back and forth, the Oscillating lever bearing component include with
The bearing inner-core of the output shaft connection, first centre bore is located on the bearing inner-core.
4. multiple-head type electric tool as claimed in claim 3, it is characterised in that the front end face of the hand-held body is provided with positioning
Round platform, the rear end face of the reciprocating saw head is provided with the positioning circular groove matched with the positioning round table, the axle of the output shaft
The axis coaxle of line and positioning round table, the side wall of the positioning circular groove is provided with the side for the radially fixed positioning round table
Fastener.
5. multiple-head type electric tool as claimed in claim 4, it is characterised in that the side fastening part is trip bolt, institute
The inner side end for stating trip bolt is provided with annular protrusion.
6. multiple-head type electric tool as claimed in claim 4, it is characterised in that the front end face of the hand-held body is provided with quarter
Scale, the rear end face of the reciprocating saw head is provided with the dial to mutatis mutandis alignment target.
7. multiple-head type electric tool as claimed in claim 3, it is characterised in that be provided with the reciprocating saw head and reciprocally moved
Dynamic reciprocating lever, the reciprocating lever is connected with Oscillating lever bearing component, and the reciprocating lever is provided with lock hole, the reciprocating saw head
Securing rod is inside provided with, securing rod inserts the lock hole with the locked reciprocating lever.
8. multiple-head type electric tool as claimed in claim 7, it is characterised in that be provided with for installing in the reciprocating saw head
The securing rod perforation of the securing rod, the inner of the securing rod is provided with and limits its spacing ring for departing from securing rod perforation, described
The outer end of securing rod is provided with button ring, and button return spring is provided between the button ring and securing rod perforation.
9. multiple-head type electric tool as claimed in claim 1, it is characterised in that the working machine head is drill chuck, the brill
The second centre bore is provided with chuck, the second centre bore is threadedly coupled with all sides of output shaft.
10. multiple-head type electric tool as claimed in claim 9, it is characterised in that the end face indent of the output shaft has endoporus,
The hole wall of the endoporus is provided with internal thread, and the end face screw being fastened to the drill chuck on output shaft is screwed with endoporus, described
Internal thread is oppositely oriented with the external screw thread of output shaft.
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| CN201611047828.8A CN106737450B (en) | 2016-11-23 | 2016-11-23 | Multi-head electric tool |
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| CN201611047828.8A CN106737450B (en) | 2016-11-23 | 2016-11-23 | Multi-head electric tool |
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| CN106737450B CN106737450B (en) | 2023-12-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625446A (en) * | 2016-11-23 | 2017-05-10 | 浙江亚特电器有限公司 | Reciprocating-saw machine head |
| CN107625626A (en) * | 2017-10-18 | 2018-01-26 | 苏州凯云体育科技有限公司 | A kind of reciprocal impact therapeutic equipment |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131649Y (en) * | 1992-03-27 | 1993-05-05 | 孟令忠 | Hand-operated multifunction electric tool |
| CN2258809Y (en) * | 1996-07-12 | 1997-08-06 | 张平 | Universal electric tool |
| US6173500B1 (en) * | 1999-08-13 | 2001-01-16 | S-B Power Tool Company | Sealing plug as part of a rubber boot |
| US6264211B1 (en) * | 1999-10-06 | 2001-07-24 | Rene Granado | Reciprocating saw attachment for electric drill |
| CN2527399Y (en) * | 2002-01-10 | 2002-12-25 | 黄悠龙 | Portable electric tool |
| CN1701914A (en) * | 2004-05-28 | 2005-11-30 | 罗伯特·博世有限公司 | Anti-rotation drive mechanism for a reciprocating saw |
| CN2877933Y (en) * | 2006-04-04 | 2007-03-14 | 应凌云 | Portable type reciprocating saw |
| CN2900050Y (en) * | 2006-06-23 | 2007-05-16 | 吴世雄 | Safety reliable impact electric drill |
| CN101992315A (en) * | 2009-07-29 | 2011-03-30 | 车王电子股份有限公司 | Impact electric drill |
| CN202045387U (en) * | 2011-04-08 | 2011-11-23 | 浙江博大实业有限公司 | Pistol type electric drill |
| CN102794503A (en) * | 2012-09-05 | 2012-11-28 | 宁波黑松工具有限公司 | Electric reciprocating saw |
| CN206357172U (en) * | 2016-11-23 | 2017-07-28 | 浙江亚特电器有限公司 | A kind of multiple-head type electric tool |
-
2016
- 2016-11-23 CN CN201611047828.8A patent/CN106737450B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2131649Y (en) * | 1992-03-27 | 1993-05-05 | 孟令忠 | Hand-operated multifunction electric tool |
| CN2258809Y (en) * | 1996-07-12 | 1997-08-06 | 张平 | Universal electric tool |
| US6173500B1 (en) * | 1999-08-13 | 2001-01-16 | S-B Power Tool Company | Sealing plug as part of a rubber boot |
| US6264211B1 (en) * | 1999-10-06 | 2001-07-24 | Rene Granado | Reciprocating saw attachment for electric drill |
| CN2527399Y (en) * | 2002-01-10 | 2002-12-25 | 黄悠龙 | Portable electric tool |
| CN1701914A (en) * | 2004-05-28 | 2005-11-30 | 罗伯特·博世有限公司 | Anti-rotation drive mechanism for a reciprocating saw |
| CN2877933Y (en) * | 2006-04-04 | 2007-03-14 | 应凌云 | Portable type reciprocating saw |
| CN2900050Y (en) * | 2006-06-23 | 2007-05-16 | 吴世雄 | Safety reliable impact electric drill |
| CN101992315A (en) * | 2009-07-29 | 2011-03-30 | 车王电子股份有限公司 | Impact electric drill |
| CN202045387U (en) * | 2011-04-08 | 2011-11-23 | 浙江博大实业有限公司 | Pistol type electric drill |
| CN102794503A (en) * | 2012-09-05 | 2012-11-28 | 宁波黑松工具有限公司 | Electric reciprocating saw |
| CN206357172U (en) * | 2016-11-23 | 2017-07-28 | 浙江亚特电器有限公司 | A kind of multiple-head type electric tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106625446A (en) * | 2016-11-23 | 2017-05-10 | 浙江亚特电器有限公司 | Reciprocating-saw machine head |
| CN107625626A (en) * | 2017-10-18 | 2018-01-26 | 苏州凯云体育科技有限公司 | A kind of reciprocal impact therapeutic equipment |
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| Publication number | Publication date |
|---|---|
| CN106737450B (en) | 2023-12-29 |
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Address after: No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Yate Electric Appliance Co.,Ltd. Address before: 314100 No. 150 Wenlong Road, Yuxin Town, Nanhu District, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG YAT ELECTRICAL APPLIANCE Co.,Ltd. |
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