CN102441871B - Accessory and power tool - Google Patents
Accessory and power tool Download PDFInfo
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- CN102441871B CN102441871B CN201110271668.6A CN201110271668A CN102441871B CN 102441871 B CN102441871 B CN 102441871B CN 201110271668 A CN201110271668 A CN 201110271668A CN 102441871 B CN102441871 B CN 102441871B
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- working head
- swinging shaft
- driving member
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- transition piece
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Abstract
The invention relates to an accessory, which is applied to a handheld swinging power tool. The handheld swinging power tool comprises a shell and a swinging output shaft which extends out of the shell and is provided with an axis, wherein the swinging output shaft rotationally swings around the axis. The accessory comprises an accessory shell, a working head and a transmission piece, wherein the accessory shell is connected with a head shell of the swinging power tool in a matching way; a part of the working head is positioned in the accessory shell and has a longitudinal extending direction; and the transmission piece is accommodated in the shell, is connected with the swinging output shaft in a matching way, and can be used for driving the working head to move towards one side one side which is far away from the swinging output shaft along the longitudinal direction. The accessory disclosed by the invention is detachably arranged on the handheld power tool, in particular on a multifunctional machine, so that the application range of the multifunctional machine is expanded.
Description
Technical field
The present invention relates to a kind of annex, especially a kind of dismountable annex being connected on hand-held swing-type power tool.
The invention still further relates to a kind of power tool.
Background technology
Multi Role Aircraft is the common swing class power tool of industry, because its swinging shaft does oscillating motion around axial line, therefore, when installing on swinging shaft after different annex working heads, can realize multiple different function, as sawed, cut, grind, scrape etc., to adapt to different work requirements.
Cutter is also one of common operational means, and the operation of common cutter is to hit class instrument by special cutter to realize, as electric hammer etc., and often complex structure of this type of instrument, expensive.And on Multi Role Aircraft, also cannot realize at present this function of cutter, if develop the annex working head that a Multi Role Aircraft is used, can expand the range of application of Multi Role Aircraft.Thereby buy independent cutter without user and hit class instrument, brought facility to user's work.
Summary of the invention
One of object of the present invention is to provide a kind of annex using on class power tool that swings, and this accessory structure is simple, and cost is lower, and its dismountable being arranged on swings on class power tool, has expanded the range of application of Multi Role Aircraft.
For achieving the above object, technical scheme of the present invention is: a kind of annex, for hand-held swing-type power tool, described hand-held swing-type power tool comprises housing and the swinging shaft with axial line from extending in housing, described swinging shaft does rotational oscillating motion around described axial line, described annex comprises the attachment housings matched with the head capsule of described swing-type power tool, being positioned at described attachment housings and thering is the working head of lengthwise bearing of trend of part, and driving member, be contained in described attachment housings, matched with described swinging shaft, and can drive described working head along described longitudinally to the lateral movement away from described swinging shaft.
Annex in the present invention, on the dismountable hand-hold power tool that is arranged on, especially Multi Role Aircraft, uses the range of application of having expanded Multi Role Aircraft as annex.
Preferably, described driving member comprises the main body matched with described swinging shaft, and extends from described main body, and the perpendicular drive division of the axial line of bearing of trend and described swinging shaft.
Preferably, described driving member only can be along described longitudinally to working head described in the side impact away from described swinging shaft.
Preferably, described working head is exercisable near the primary importance of described swinging shaft with away from the second place of described swinging shaft, when described working head is during in primary importance, described driving member can contact with described working head, when described working head is during in the described second place, described driving member cannot contact with described working head.
Preferably, described annex comprises locking device, is provided with part and accommodates the groove of described locking device on described working head, and described groove is greater than described locking device and is contained in the width of the part in described groove along the width of described longitudinally.
Preferably, described locking device comprises can partly be contained in the lock ring in described groove, described groove comprises the first side wall and the second sidewall in the face of arranging mutually, the first side wall compared to the second sidewall away from described swinging shaft, when described working head is during in described primary importance, described lock ring contacts with described the first side wall, and when described working head is during in the described second place, described lock ring contacts with described the second sidewall.
Preferably, described annex also comprise be arranged between described swinging shaft and described attachment housings and with the axle sleeve of the coaxial setting of described swinging shaft.
Preferably, between described working head and described attachment housings, being provided with bearing holder (housing, cover), is rolling friction between described working head and described bearing holder (housing, cover).
Preferably, described attachment housings has an installing port, and in the described attachment housings of insertion of described working head by described installing port part, described attachment housings is provided with inclined-plane around described installing port.
Preferably, between described working head and described driving member, be provided with transition piece, described transition piece rotates around the pivotal axis be arrangeding in parallel with described swinging shaft under the driving of described driving member, drives described working head motion.
Preferably, described working head has longitudinal axis, and the axial line of described longitudinal axis and described swinging shaft is coplanar.
Preferably, described transition piece comprises the first operate portions and the second operate portions with the setting triangular in shape of described pivotal axis, described the first operate portions drives described transition piece to rotate around described pivotal axis under the driving of described driving member, and described the second operate portions is impacted described working head in the time that described transition piece rotates.
Preferably, described the second working position is between described working head and described swinging shaft.
Preferably, described driving member drives described transition piece by impacting described the first operate portions.
Preferably, when the contact-making surface of described driving member and described the first operate portions and the axial line of described swinging shaft are when coplanar, described the first operate portions be subject to force direction identical to the force direction of described working head with described the second operate portions.
Preferably, described driving member drives described transition piece by drawing described the first operate portions.
Preferably, described driving member and described the first operate portions connect mutually by pin and gathering sill, the lengthwise bearing of trend of described gathering sill is through the vertical line between described pivotal axis and described swinging shaft, and described pin rotates around described pivotal axis by the described transition piece of traction of exerting pressure to the sidewall of described gathering sill.
Preferably, described pivotal axis is between described pin and described swinging shaft.
Preferably, the outer surface of described pin contacts with two sidewalls of described gathering sill simultaneously.
Compared with prior art, the annex using on swing class power tool provided by the invention, this accessory structure is simple, and cost is lower, and its dismountable being arranged on swings on class power tool, has expanded the range of application of Multi Role Aircraft.Thereby buy independent cutter without user and hit class instrument, brought facility to user's work.
Another object of the present invention is to provide a kind of power tool, and this power tool is simple in structure, and cost is lower.
For achieving the above object, technical scheme of the present invention is: a kind of power tool, comprising: housing; Be contained in the motor in described housing; Swinging shaft, has axial line, under the driving of described motor, does rotational oscillating motion around described axial line; Working head, part is positioned at described housing, and extends along longitudinally; Described power tool also comprises driving member, is contained in described housing, matched with described swinging shaft, and can drive described working head along described lengthwise bearing of trend to the lateral movement away from described swinging shaft.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the invention will be further described.
Fig. 1 is the schematic perspective view of the swing-type power tool that annex is installed that provides of first embodiment of the invention;
Fig. 2 is the schematic perspective view of the head capsule of the swing-type power tool in Fig. 1;
Fig. 3 is the schematic perspective view of the annex in Fig. 1;
Fig. 4 is the top view of the annex in Fig. 1;
Fig. 5 is that the C of the annex in Fig. 4 is to view;
Fig. 6 is the upward view of the annex in Fig. 1;
Fig. 7 is that the F of the annex in Fig. 4 is to view;
Fig. 8 is that the R of the annex in Fig. 4 is to view;
Fig. 9 is the three-dimensional explosive view of the annex in Fig. 3;
Figure 10 is annex in Fig. 4 cutaway view along B-B line;
Figure 11 is annex in Figure 10 cutaway view along C-C line, and now press section is in pressed state not;
Figure 12 is annex in Figure 10 cutaway view along C-C line, and now press section is in pressed state;
Figure 13 is that the annex in Fig. 5 removes the top view after upper cover, and now driving member is positioned at the first swing position;
Figure 14 is that the annex in Fig. 5 removes the top view after upper cover, and now driving member is positioned at the second swing position;
Figure 15 is the schematic perspective view of the annex that provides of second embodiment of the invention;
Figure 16 is the three-dimensional explosive view of the annex in Figure 15;
Figure 17 is annex in Figure 15 cutaway view along F-F line;
Figure 18 is the schematic perspective view of power tool provided by the invention;
Figure 19 is the schematic diagram of the annex that provides of third embodiment of the invention, and now driving member is positioned at the first swing position;
Figure 20 is the schematic diagram of the annex that provides of third embodiment of the invention, and now driving member is positioned at the second swing position;
Figure 21 is the schematic diagram of the annex that provides of fourth embodiment of the invention, and now driving member is positioned at the first swing position;
Figure 22 is the schematic diagram of the annex that provides of fourth embodiment of the invention, and now driving member is positioned at the second swing position.
Wherein,
1. swing-type power tool 9a. makes an anterior 17.U type part
2. annex 9b. working head rear portion 18. upper covers
3. body shell 10. driving member 19. lower covers
4. switch 11. locking device 20. bolt devices
5. head capsule 12. installing port 21. ramps
6. swinging shaft 13. installation portion 22. lower inclined planes
7. flange 14. through hole 23. axle sleeves
8. attachment housings 15. locating cover 24. main bodys
9. working head 16. arch section 25. drive divisions
Flat quadrate part 71. main bodys of 26. installing hole 40.
27. circular base 41. stop part 72. drive divisions
28a, 28b, 28c, spacing 42. spring assembly 73. pins of 28d.
Install 43. the first side wall 80. transition pieces
29. first groove 44. second sidewall 81. first operate portions
30. sealing ring 50. transition piece 82. second operate portions
31a, 31b, 31c, 31d. bearing 51. first operate portions 83. gathering sills
32. cutters hit portion's 53. pivotal axis 91. working heads
33. are done head front portion by impact portion 61. boss 91a.
34. lock ring 62. screw hole 91b. working head rear portions
35. protruding 63. screw 100. casings
36. elastic component 64. installing hole 200. power tools
37a, 37b. groove 65. pad 201. casings
38a, 38b. needle roller 66. is made an annex 202. head capsules
39. press section 70. driving members
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Refer to Fig. 1 and Fig. 2, a kind of swing-type power tool 1 that annex 2 is installed providing for embodiment of the present invention, and cut a hole and hit operation by annex 2.
In description full text, defining the left side of swing-type power tool 1 is as shown in Figure 1 " front ", and right side is " afterwards ".Swing-type power tool 1 comprises: casing 100, motor (not shown), transmission mechanism (not shown), and annex 2.The casing 100 of swing-type power tool 1 extends along longitudinally, and casing 100 comprises the body shell 3 that is positioned at the head capsule 5 of swing-type power tool 1 front portion and is positioned at head capsule 5 rear portions; Motor is arranged at the inside of body shell 3, and transmission mechanism is arranged at the inside of head capsule 5, and motor shaft extends forward with the transmission mechanism that is positioned at head capsule 5 inside matched, and rotatablely moving of motor output is converted to the oscillating motion of swinging shaft 6 by transmission mechanism.Annex 2 is arranged on the below of the head capsule 5 of swing-type power tool 1, with the setting of body shell 3 almost parallels of swing-type power tool 1.Swing-type power tool 1 also comprises that being connected in body shell 3 rear portions provides the cable (not shown) of electric power and control the switch 4 of described power delivery for motor, in the time that switch 4 is connected, motor drives annex 2 to cut a hole and hits operation, and in the time that switch 4 disconnects, motor stops the rotation.
Head capsule 5 is roughly angle setting, its rear end is connected with the body shell 3 of swing-type power tool 1, the direction that the lengthwise bearing of trend of swinging shaft 6 and the lengthwise of body shell 3 extend is perpendicular, one end of swinging shaft 6 and above-mentioned transmission mechanism are matched, extend from the front end of head capsule 5 one end in addition, in description full text, one end that definition swinging shaft 6 extends from the front end of head capsule 5 is free end, the free end of swinging shaft 6 is provided with and is orthohexagonal boss 61, the height that boss 61 protrudes is less than or equal to the thickness of the working head annex 66 of swing-type power tool 1, the center of boss 61, be provided with screw hole 62, when operator's installment work annex 66, by the installing hole 64 of a boss 61 alignment work annex 66, by screw 63 DRIVE SCREWS holes 62, by screw 63 and the fastening working head annex 66 of pad 65 in the free end of swinging shaft 6.When switch 4 is connected, the driving force that motor produces passes to swinging shaft 6 through transmission mechanism, and swinging shaft 6 carries out oscillating motion, and swaying direction is as shown in the double-head arrow A-A in Fig. 2.The free end of swinging shaft 6 is provided with around described boss 61 flange 7 that diameter is the ring-type of D 1, for working head annex 66 described in supplemental support.
Referring to Fig. 3, is the schematic perspective view of the annex 2 in Fig. 1.This annex 2 comprises attachment housings 8, working head 9 and driving member 10.Being contained in described attachment housings 8 of described working head 9 parts, described driving member 10 passes to the oscillating motion of described swinging shaft 6 working head 9 and drives working head 9.
Refer to Fig. 3-8, attachment housings 8 entirety of annex 2 are lengthwise extends, and the front portion of attachment housings 8 is provided with the installing port 12 of installment work 9, and the rear portion of attachment housings 8 is provided with the installation portion 13 being connected with described swing-type power tool 1.The width of attachment housings 8 reduces to front portion gradually from rear portion, makes the volume of annex 2 comparatively small and exquisite, and accessibility is better.Installing port 12 departs from the setting of swinging shaft 6, and in the present embodiment, the setting of installing port 12 as Fig. 3-7, it may occur to persons skilled in the art that, installing port 12 also can be arranged at an other side.
Described installation portion 13 comprises the through hole 14 that runs through annex 2 rear portions, swinging shaft 6 is matched with the driving member 10 that is arranged at annex 2 inside by through hole 14, and by screw 63 and pad 65 (not shown)s, driving member 10 is fixedly connected on swinging shaft 6.Installation portion 13 also comprises from attachment housings 8 and extending and roughly suitable locating cover 15 of head capsule 5 shapes, and locating cover 15 comprises the arch section 16 forming along the vertical direction of head capsule 5, and the U-shaped portion forming along the longitudinally of head capsule 5 divides 17.Locating cover 15 can be coated on the below of head capsule 5 like this, divides 17 acting in conjunction by arch section 16 and U-shaped portion, and annex 2 can conveniently be located, and in the process of work, is difficult for being shifted.
Refer to Fig. 9, attachment housings 8 comprises upper cover 18 and lower cover 19, and upper cover 18 and lower cover 19 are by linking together along the bolt device 20 of head capsule 5 vertical direction settings, and in the present embodiment, such bolt device 20 has three, and they are uniformly distributed around through hole 14.Upper cover 18 has ramp 21, and lower cover 19 has lower inclined plane 22, and ramp 21 and lower inclined plane 22 are arranged on the position that approaches installing port 12, makes the thickness of attachment housings 8 front portions be less than the thickness of attachment housings 8 other parts; Except upper and lower both sides, the left and right sides of described installing port 12, is provided with inclined-plane too, thereby makes the front portion of annex 2 have better accessibility.
In annex 2, be provided with axle sleeve 23, driving member 10, sealing ring 30, bearing holder (housing, cover) 31a, 31b, and locking device 11.Being contained in described attachment housings 8 of working head 9 parts, sealing ring 30, bearing holder (housing, cover) 31a, 31b and locking device 11 are sheathed on described working head 9 and are contained in the part in attachment housings 8; Driving member 10 is arranged at the rear portion of annex 2, and the below of installation portion 13 is arranged on the circular base 27 being arranged in lower cover 19, and axle sleeve 23 is arranged on the inside of installation portion 13.
Described axle sleeve 23 arranges ringwise, is arranged between swinging shaft 6 and attachment housings 8, and the setting coaxial with swinging shaft 6.Axle sleeve 23 adopts metal material to make, and the diameter D1 of the flange 7 on its internal diameter size D2 and swinging shaft 6 is suitable, flange 7 can be housed in axle sleeve 23 completely, and both contacts closely.In the time of installation accessories 2, match by axle sleeve 23 and described flange 7, can be so that location; In the time of work, axle sleeve 23 can play the effect of bearing, strengthens the wearability of attachment housings 8.
Driving member 10 is matched with swinging shaft 6, and it comprises the main body 24 arranging ringwise, and main body 24 extended drive division 25; Main body 24 is rounded setting roughly, and its diameter D3 is slightly larger than the inner diameter D 2 of axle sleeve, is provided with the installing hole 26 matched with the free end of swinging shaft 6 in main part 24.In the time that annex 2 is installed on swing-type power tool 1, driving member 10 main bodys are extended the bearing of trend of plane perpendicular to described swinging shaft 6.In the present embodiment, the free-ended boss 61 of swinging shaft 6 is regular hexagon, the installing hole 26 of driving member 10 is polygon, it can match with described boss 61, realize in the time that 6 outputs of swinging shaft swing, can drive driving member 10 and can not produce relative sliding, and can as required driving member 10 be limited in to multiple Difference angles.In the time that annex 2 is mounted on swing-type power tool 1, installing hole 26 is socketed on the free-ended boss 61 of swinging shaft 6, and by fastening the two the relative position relation of fastener, fastener can be the screw 63 shown in Fig. 2 and pad 65.In the time that swing-type power tool 1 is worked, driving member 10 forms a swinging plane under swinging shaft 6 drives, and described swinging plane is vertical with the bearing of trend of described swinging shaft 6.What it may occur to persons skilled in the art that is, the installing hole 26 of the free end of swinging shaft 6 and driving member 10 can be also the combination of other modes, the combination of for example columnar projections on swinging shaft and the hole on driving member, or the combination of the polygon of other shapes on swinging shaft projection and polygon hole corresponding on driving member etc.
The fan-shaped projection of drive division 25 for extending from main body 24, the bearing of trend of the bearing of trend of drive division 25 and swinging shaft 6 is perpendicular, in the time that swinging shaft 6 drives driving member 10 to swing, the right-angle side of drive division 25 can periodically contact with described working head 9.It may occur to persons skilled in the art that, the projection of extending from main body 24 of other shapes except fan-shaped also can realize this technical scheme, as the projection of triangle, arc, trapezoidal or parallelogram.Because driving member 10 periodically impacts described working head 9, for example, so driving member 10 is answered the metal material that working strength is higher, steel.
The lower cover 19 of attachment housings 8 is provided with the circular base 27 arranging around described through hole 14, circular base 27 is for carrying described driving member 10, the surrounding of circular base 27 is provided with stair-stepping stopping means 28a, 28b, 28c, 28d, stopping means 28a, 28b, 28c, 28d, can in the time of installation accessories 2, aim at by assisting user, avoided driving member 10 to move to being unfavorable for the position of installing in the time not being connected to swinging shaft 6; Stopping means 28a, 28b have formed the first groove 29 of the drive division 25 for accommodating driving member 10, the width D 4 of the first groove 29 is slightly larger than the width of drive division 25, within thereby the hunting range that makes drive division 25 is limited in width D 4, avoid drive division 25 in the time not being connected to swinging shaft 6, turn to the position that is unfavorable for that annex 2 is worked, therefore, in the time that operator inserts attachment housings 8 by working head 9 along direction I, drive division 25 can be corresponding with the rear portion of working head 9, is similarly user and installs and use annex 2 to facilitate.
Working head 9 extends along longitudinally, there is longitudinal axis, use metal material is made, working head 9 roughly can be divided into the anterior 9a of working head and two parts of working head rear portion 9b, the anterior 9a of working head exposes described installing port 12, be provided with comparatively sharp cutter and hit portion 32, in the present embodiment, the anterior 9a of working head is perpendicular to the flat rectangle that is shaped as in the cross section of its lengthwise bearing of trend, what it may occur to persons skilled in the art that is, the cross section perpendicular to its bearing of trend of the anterior 9a of working head can be also other shapes, such as cylindrical, trapezoidal etc.; Working head rear portion 9b is contained in the inside of described attachment housings 8, its cross section perpendicular to working head 9 lengthwise bearing of trends be shaped as flat rectangle, waist bilateral symmetry at working head rear portion 9b is provided with groove 37a, 37b, and groove 37a is identical with 37b structure, at this as space is limited, only the structure of groove 37b is described in detail.Groove 37b has mutually the first side wall 43 and the second sidewall 44 in the face of arranging, the first side wall 43 compared to the second sidewall 44 away from swinging shaft 6.Groove 37a and 37b can coordinate with locking device 11, realize the position that limits working head 9, can move along described longitudinally within the specific limits.The rear end of working head rear portion 9b is provided with by impact portion 33.
Locking device 11 comprises press section 39, lock ring 34 and elastic component 36.Press section 39 is arranged at the centre position of upper cover 18 and lower cover 19, the sidewall that is exposed to attachment housings 8 of part; The cross section of the size of the through hole of lock ring 34 and working head 9 is roughly suitable, make working head 9 can just pass through lock ring 34, lock ring 34 is provided with projection 35 away from one end of press section 39, in order to matched with elastic component 36, elastic component 36 can be provided and the elastic force of pressing opposite direction for locking device 11.It is upper that locking device 11 is sheathed on groove 37a, the 37b of working head 9, matches to realize the locking of working head with groove 37a, 37b.
Please with reference to Figure 11,12, in the time not pressing described press section 39, locking device 11, under the elastic force effect of elastic component 36, is positioned at the position shown in Figure 11, and now lock ring 34 is mutually bitten and closed with the groove 37b on working head; In the time of installation or removal working head, press described press section 39, promote lock ring 34 to the motion of the direction of Z shown in Figure 12, lock ring 34 is bitten and is closed with the groove 37b disengaging on working head, makes working head 9 be able to pass through from lock ring 34.It should be noted that, when lock ring 34 and groove 37b bite mutually and close, groove 37a, 37b are greater than the width of lock ring 34 along the width of longitudinally, so that working head 9 can move within the specific limits with respect to locking device 11.
Described working head 9 is exercisable near the primary importance of described swinging shaft 6 with away from the second place of described swinging shaft 6, when described working head 9 is during in primary importance, described driving member 10 can contact with described working head 9, when described working head 9 is during in the described second place, described driving member 10 cannot contact with described working head 9.In the present embodiment, when working head 9 is during in primary importance, lock ring 34 contacts with the first side wall 43 of groove 37b, now the drive division 25 of driving member 6 can with being contacted by impact portion 33 of working head 9, thereby can cut a hole and hit described working head 9 and make its processing work, when working head 9 is during in the second place, lock ring 34 contacts with the second sidewall 44 of groove 37b, now the drive division 25 of driving member 6 can not with being contacted by impact portion 33 of working head 9, thereby avoid in the time that working head 9 is positioned at the second place, driving member 10 is still cut a hole and is hit described working head 9, so arrange, just can realize in the time that working head 9 does not move to primary importance by the second place under external force or self gravitation effect, the cutter that working head 9 can not be subject to driving member 10 hits, locking device 11 can not be sustained damage, avoid causing working head 9 to depart from the safety problem that annex 2 causes because locking device 11 damages.
In the present embodiment, press section 39 and the separable setting of lock ring 34, it may occur to persons skilled in the art that, press section 39 and lock ring 34 can integratedly design; In the present embodiment, use spring for locking device 11 provides elastic force, it may occur to persons skilled in the art that, other flexible members also can be realized this technical scheme, such as shell fragment, torsion spring etc.
Refer to Figure 10, attachment housings 8 inwalls of annex 2, are provided with rib for fixed seal ring 30, bearing holder (housing, cover) 31a, 31b, and locking device 11.In described bearing holder (housing, cover) 31a, 31b, be respectively arranged with needle roller 38a, 38b, make the sliding friction between working head 9 and bearing holder (housing, cover) be converted to rolling friction, effectively reduced the frictional force between working head 9 and bearing holder (housing, cover) 31a, 31b.
Refer to Figure 13-14, in the time using, user is connected to annex 2 on swing-type power tool 1, driving member 10 carries out oscillating motion under the driving of swinging shaft 6 (not shown)s, described working head 9 is exercisable near the primary importance of described swinging shaft 6 with away from the second place of described swinging shaft 6, when described working head 9 is during in primary importance, described driving member 10 can contact with described working head 9, impact described working head 9 by impact portion 33, for working head 9 provides the impulsive force perpendicular to the longitudinally of swinging shaft 6, make working head 9 to the lateral movement away from described swinging shaft 6, thereby realize cutter and hit work.
The present invention is not limited to the description in above-mentioned the first embodiment, below emphasis the second embodiment of annex of the present invention is described.
Refer to shown in Figure 15 to Figure 17, in the second embodiment of the present invention, the installation portion 13 of annex 2, attachment housings 8, driving member 10 and axle sleeve 23 are identical with the structure in the first embodiment.Difference is, the working head rear portion 91b of the working head 91 of annex 2 is roughly rounded along the cross section of the plane perpendicular to its bearing of trend, working head rear portion 91b is just provided with flat quadrate part 40 to the one side of lower cover, the exposing and the upper cover 18 of attachment housings 8 of press section 39 parts of locking device 11; In the time not pressing described press section 39, locking device 11 as shown in figure 17, under the effect of elastic component 36, is bitten and is closed mutually with flat quadrate part 40; In the time pressing described press section 39, lock ring 34 moves down, and allows columniform working head rear portion 91b to pass through.The position that working head rear portion 91b and working head 91a join, is provided with stop part 41, and it is upper that spring assembly 42 is sheathed on working head rear portion 91b, and its first end is resisted against on the end face of stop part 41.Bearing holder (housing, cover) 31c is sheathed on outside the spring assembly 42 at working head rear portion, its inner stepped setting, and the other end of spring assembly 42 is resisted against on the cascaded surface of bearing holder (housing, cover) 31c inside.When working head 91 is installed on annex 2 when interior, spring assembly 42 is under the acting in conjunction of stop part 41 and bearing holder (housing, cover) 43, and in compressive state, in the time pressing described press section 39, working head 91 is under the elastic force effect of spring assembly 42, from the interior ejection of installing port 12.Certainly, spring assembly 42 is not necessary, when spring assembly 42 is not set, presses locking device 11, still can manually working head 91 be taken out.
The present invention is not limited to the description in above-mentioned two embodiments, below emphasis the 3rd embodiment of annex of the present invention is described.
Refer to Figure 19 and Figure 20, the 3rd embodiment of the present invention is identical with the most of structure of the first embodiment, its difference is to be provided with transition piece 50 between driving member 10 and working head 9, transition piece 50 is pivotable to be installed in attachment housings 8, its can be under the driving of driving member 10 around with swinging shaft 6 be arranged in parallel pivotal axis 53 rotate within the specific limits.Transition piece 50 comprises the first operate portions 51 and the second operate portions 52, the first operate portions 51, the second operate portions 52 and pivotal axis 53 setting triangular in shape, and the second operate portions 52 is between working head 9 and swinging shaft 6.In the time of work, the first operate portions 51 of the drive division 25 impulse transfer parts 50 of driving member 10, transition piece 50 rotates under the effect of impulsive force, by the second operate portions 52 impact working head 9 by impact portion 33, for working head 9 provides the impulsive force perpendicular to swinging shaft 6, make working head 9 to the lateral movement away from swinging shaft 6.As shown in figure 19, working head 9 is in the primary importance near described swinging shaft 6, as shown in figure 20, working head 9 is in the second place away from swinging shaft 6, in the time of this two positions, drive division 25 is not coplanar with the contact-making surface of the first operate portions 51 and the axial line of swinging shaft 6 of transition piece 50, and the direction of the impulsive force that the direction of the impulsive force that now drive division 25 applies to the first operate portions 51 and the second operate portions 52 apply to working head 9 exists certain angle, and the slippages of power is larger; The process that drives working head 9 to move from primary importance to the second place, when the drive division 25 of driving member 10 and the contact-making surface of the first operate portions 51 of transition piece 50 and the axial line of swinging shaft 6 are when coplanar, the direction of the impulsive force that the first operate portions 51 of transition piece 50 is subject to is identical with the force direction that the second operate portions 52 applies to working head 9, the impulsive force that now driving member 10 applies to transition piece 50 is passed to working head 9, loss minimum completely.In the present embodiment, working head 9 is installed in attachment housings 8 when interior, the longitudinal axis of working head 9 is through the axial line of swinging shaft 6, in the time of work, match with driving member 10 by transition piece 50, make the working head 9 can be under the driving of transition piece 50, along the longitudinally of the casing 100 of swing-type power tool 1 to the lateral movement away from swinging shaft 6, hit work thereby realize cutter.User is in the time of the annex that uses third embodiment of the invention to provide, and the axial line of the longitudinal axis of working head 9 and swinging shaft 6 is coplanar, more accurate while making user apply power to workpiece, can not depart from, comparatively laborsaving, can obtain handlingly preferably, and right-hand man all conveniently operates.
The present invention is not limited to the description in above-mentioned three embodiments, below emphasis the 4th embodiment of annex of the present invention is described.
Refer to Figure 21 and Figure 22, the 4th embodiment of the present invention is identical with the most of structure of the 3rd embodiment, and has adopted different driving member 70 and transition piece 80.Driving member 70 is matched with swinging shaft 6, and it comprises the main body 71 arranging ringwise, and main body 71 drive division 72 of extended finger-type, drive division 72 is provided with the pin 73 that is parallel to swinging shaft 6 away from one end of swinging shaft 6; Transition piece 80 is pivotable to be installed in attachment housings 8, its can be under the driving of driving member 70 around with swinging shaft 6 be arranged in parallel pivotal axis 84 rotate within the specific limits.Transition piece 80 comprises the first operate portions 81 and the second operate portions 82, the first operate portions 81, the second operate portions 82 and pivotal axis 84 setting triangular in shape, and the second operate portions 82 is between working head 9 and swinging shaft 6.In the first operate portions 81, be provided with the gathering sill 83 of kidney-shaped, pin 73 parts are contained in gathering sill 83, and pivotal axis 84 is between pin 73 and swinging shaft 6.The lengthwise bearing of trend of gathering sill 83 is through the vertical line between described pivotal axis 84 and the axial line of swinging shaft 6, and the length of gathering sill 83 is slightly larger than the diameter of pin 73, and the diameter of width and described pin 73 is suitable.The outer surface of pin 73 contacts with at least one sidewall of gathering sill 83, thereby allows pin 73 to move in the interior radial direction along swinging shaft 6 of gathering sill 83, and can exert pressure to the sidewall of gathering sill 83 by pin 73.In the present embodiment, working head 9 is installed in attachment housings 8 when interior, the longitudinal axis of working head 9 is through the axial line of swinging shaft 6, as shown in figure 19, working head 9 is in the primary importance near described swinging shaft 6, as shown in figure 20, working head 9 is in the second place away from swinging shaft 6.In the time of work, driving member 70 is at the driving lower swing of swinging shaft 6, and by the interaction of pin 73 and gathering sill 83, traction transition piece 80 rotates around pivotal axis, by the second operate portions 82 impact working head 9 by impact portion 33, for working head 9 provides the impulsive force perpendicular to swinging shaft 6, make working head 9 to the lateral movement away from swinging shaft 6, hit work thereby realize cutter.Wherein, gathering sill 8 is configured under the effect of the pin of driving member 70 73, to draw the first operate portions 81 of transition piece 80 and moves along the circumferential direction of swinging shaft 6, so the lengthwise bearing of trend of gathering sill 83 is not unique, its also can and pivotal axis 84 and the axial line of swinging shaft 6 between vertical line direction at an angle; The width of gathering sill 83 also can be slightly larger than the diameter of pin 73, only needs the outer surface that guarantees pin 73 to contact and to exert pressure to it with of gathering sill 83 sidewall, and traction transition piece 80 rotates around pivotal axis 84; The shape of gathering sill 83 neither be unique, and it can be also arc or other shapes.Certainly, the position of pin 73 and gathering sill 83 is not what fix, pin 73 can be arranged on transition piece 80 yet, and on gathering sill 83 settings and driving member 70, can realize equally above-mentioned function.User is in the time of the annex that uses four embodiment of the invention to provide, and the axial line of the longitudinal axis of working head 9 and swinging shaft 6 is coplanar, more accurate while making user apply power to workpiece, can not depart from, comparatively laborsaving, can obtain handlingly preferably, and right-hand man all conveniently operates
Refer to Figure 18, the invention also discloses a kind of power tool 200.Power tool 200 is compared with the previously described swing-type power tool 1 that annex 2 is installed, and difference is only casing 201.Casing 201 comprises body shell 3, and is positioned at the head capsule 202 of body shell 3 front portions.Motor (not shown) is contained in the inside of described body shell 3, and its motor shaft extends to forward in head capsule 202; Swinging shaft 6 (not shown)s, transmission mechanism (not shown) and driving member 10 (not shown)s are all contained in head capsule 202; Working head 9, part be positioned at described head capsule 202, there is lengthwise bearing of trend.
Described swinging shaft 6 carries out oscillating motion under the driving of described motor; Driving member 10 (not shown)s and described swinging shaft 6 are matched, drive described working head 9 to move along the lengthwise bearing of trend of working head.
Compared with prior art, power tool provided by the invention, simple in structure, cost is lower.
It may occur to persons skilled in the art that, the present invention can also have other implementation, but as long as its technical spirit adopting identical with the present invention or close, or any variation of making based on the present invention and replacement all within protection scope of the present invention.
Claims (19)
1. an annex, for hand-held swing-type power tool, described hand-held swing-type power tool comprises housing and the swinging shaft with axial line from extending in housing, and described swinging shaft does rotational oscillating motion around described axial line, it is characterized in that, described annex comprises:
Attachment housings, matched with the housing of described swing-type power tool;
Working head, part is positioned at described attachment housings, and extends along longitudinally;
Driving member, is contained in described attachment housings, matched with described swinging shaft, and can drive described working head along described longitudinally to the lateral movement away from described swinging shaft; Between described working head and described driving member, be provided with transition piece, described transition piece rotates around the pivotal axis be arrangeding in parallel with described swinging shaft under the driving of described driving member, drives described working head motion.
2. annex according to claim 1, is characterized in that: described driving member comprises the main body matched with described swinging shaft, and extends from described main body, and the perpendicular drive division of the axial line of bearing of trend and described swinging shaft.
3. annex according to claim 2, is characterized in that: described driving member only can be along described longitudinally to working head described in the side impact away from described swinging shaft.
4. annex according to claim 3, it is characterized in that: described working head is exercisable near the primary importance of described swinging shaft with away from the second place of described swinging shaft, when described working head is during in primary importance, described driving member can contact with described working head, when described working head is during in the described second place, described driving member cannot contact with described working head.
5. annex according to claim 4, it is characterized in that: described annex comprises locking device, on described working head, be provided with the groove that can partly accommodate described locking device, described groove is greater than described locking device and is contained in the width of the part in described groove along the width of described longitudinally.
6. annex according to claim 5, it is characterized in that: described locking device comprises can partly be contained in the lock ring in described groove, described groove comprises the first side wall and the second sidewall in the face of arranging mutually, the first side wall compared to the second sidewall away from described swinging shaft, when described working head is during in described primary importance, described lock ring contacts with described the first side wall, and when described working head is during in the described second place, described lock ring contacts with described the second sidewall.
7. annex according to claim 1, is characterized in that: described annex also comprise be arranged between described swinging shaft and described attachment housings and with the axle sleeve of the coaxial setting of described swinging shaft.
8. annex according to claim 1, is characterized in that: between described working head and described attachment housings, being provided with bearing holder (housing, cover), is rolling friction between described working head and described bearing holder (housing, cover).
9. annex according to claim 1, is characterized in that: described attachment housings has an installing port, and in the described attachment housings of insertion of described working head by described installing port part, described attachment housings is provided with inclined-plane around described installing port.
10. annex according to claim 1, is characterized in that: described working head has longitudinal axis, and the axial line of described longitudinal axis and described swinging shaft is coplanar.
11. annexes according to claim 1, it is characterized in that: described transition piece comprises the first operate portions and the second operate portions with the setting triangular in shape of described pivotal axis, described the first operate portions drives described transition piece to rotate around described pivotal axis under the driving of described driving member, and described the second operate portions is impacted described working head in the time that described transition piece rotates.
12. annexes according to claim 11, is characterized in that: described the second working position is between described working head and described swinging shaft.
13. annexes according to claim 11, is characterized in that: described driving member drives described transition piece by impacting described the first operate portions.
14. annexes according to claim 13, it is characterized in that: when the contact-making surface of described driving member and described the first operate portions and the axial line of described swinging shaft are when coplanar, described the first operate portions be subject to force direction identical to the force direction of described working head with described the second operate portions.
15. annexes according to claim 11, is characterized in that: described driving member drives described transition piece by drawing described the first operate portions.
16. annexes according to claim 15, it is characterized in that: described driving member and described the first operate portions connect mutually by pin and gathering sill, the lengthwise bearing of trend of described gathering sill is through the vertical line between described pivotal axis and described swinging shaft, and described pin rotates around described pivotal axis by the described transition piece of traction of exerting pressure to the sidewall of described gathering sill.
17. annexes according to claim 16, is characterized in that: described pivotal axis is between described pin and described swinging shaft.
18. annexes according to claim 16, is characterized in that: the outer surface of described pin contacts with two sidewalls of described gathering sill simultaneously.
19. 1 kinds of power tools, comprising:
Housing;
Motor, is contained in described housing;
Swinging shaft, has axial line, under the driving of described motor, does rotational oscillating motion around described axial line;
Working head, part is positioned at described housing, and extends along longitudinally;
It is characterized in that: described power tool also comprises driving member, be contained in described housing, matched with described swinging shaft, and can drive described working head along described longitudinally to the lateral movement away from described swinging shaft; Between described working head and described driving member, be provided with transition piece, described transition piece rotates around the pivotal axis be arrangeding in parallel with described swinging shaft under the driving of described driving member, drives described working head motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271668.6A CN102441871B (en) | 2010-10-01 | 2011-09-14 | Accessory and power tool |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010511571 | 2010-10-01 | ||
| CN201010511571.3 | 2010-10-01 | ||
| CN201110271668.6A CN102441871B (en) | 2010-10-01 | 2011-09-14 | Accessory and power tool |
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| Publication Number | Publication Date |
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| CN102441871A CN102441871A (en) | 2012-05-09 |
| CN102441871B true CN102441871B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110271668.6A Active CN102441871B (en) | 2010-10-01 | 2011-09-14 | Accessory and power tool |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737562A (en) * | 2013-12-20 | 2014-04-23 | 广西南宁德通网络有限公司 | Accessory replaceable swing shovel |
| WO2021012531A1 (en) * | 2019-07-25 | 2021-01-28 | 苏州宝时得电动工具有限公司 | Power tool and attachment thereof, and power tool installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248193A (en) * | 1997-12-19 | 2000-03-22 | 罗伯特·博施有限公司 | Manually operated electric machine tool |
| CN1300664A (en) * | 1999-12-17 | 2001-06-27 | 罗伯特-博希股份公司 | Tools for reciprocal machine, especially for reciprocal saw machine |
| EP2119534A1 (en) * | 2008-05-13 | 2009-11-18 | AEG Electric Tools GmbH | Protective cap for an electric tool, in particular an angle grinder and electric tool with such a protective cap |
| CN201534325U (en) * | 2009-07-16 | 2010-07-28 | 王亮 | Multi-functional electric hand tool |
| CN201931450U (en) * | 2010-10-01 | 2011-08-17 | 苏州宝时得电动工具有限公司 | Accessory and power tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006055523A1 (en) * | 2006-11-24 | 2008-05-29 | Robert Bosch Gmbh | Swing swing tool |
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2011
- 2011-09-14 CN CN201110271668.6A patent/CN102441871B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1248193A (en) * | 1997-12-19 | 2000-03-22 | 罗伯特·博施有限公司 | Manually operated electric machine tool |
| CN1300664A (en) * | 1999-12-17 | 2001-06-27 | 罗伯特-博希股份公司 | Tools for reciprocal machine, especially for reciprocal saw machine |
| EP2119534A1 (en) * | 2008-05-13 | 2009-11-18 | AEG Electric Tools GmbH | Protective cap for an electric tool, in particular an angle grinder and electric tool with such a protective cap |
| CN201534325U (en) * | 2009-07-16 | 2010-07-28 | 王亮 | Multi-functional electric hand tool |
| CN201931450U (en) * | 2010-10-01 | 2011-08-17 | 苏州宝时得电动工具有限公司 | Accessory and power tool |
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| CN102441871A (en) | 2012-05-09 |
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