CN203245834U - Cutting piece for handheld electric tool machine - Google Patents
Cutting piece for handheld electric tool machine Download PDFInfo
- Publication number
- CN203245834U CN203245834U CN 201320140361 CN201320140361U CN203245834U CN 203245834 U CN203245834 U CN 203245834U CN 201320140361 CN201320140361 CN 201320140361 CN 201320140361 U CN201320140361 U CN 201320140361U CN 203245834 U CN203245834 U CN 203245834U
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- CN
- China
- Prior art keywords
- cutting piece
- cutting blade
- pressing board
- tool machine
- electric tool
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a cutting piece for a handheld electric tool machine. An installation notch and at least one locating hole are formed in the cutting piece. The structural style of the installation notch instead of an installation through hole is adopted by the cutting piece for the handheld electric tool machine, so that when the cutting piece is replaced on the tool machine, only the pressing force between an inner pressing board and an outer pressing board needs to be released and the used cutting piece can be transversely pulled out, the new cutting piece is transversely inserted between the inner pressing board and the outer pressing board, and finally the inner pressing board and the outer pressing board are tightly pressed. The cutting piece for the handheld electric tool machine is convenient to use and capable of preventing the outer pressing board from being lost in the process of cutting piece replacement.
Description
Technical field
The utility model relates to a kind of electric hand-held power tool cutting blade.
Background technology
The electric hand-held power tool (Multi Role Aircraft) that market exists, but its head position is equipped with the cutting blade that clip plate, outer plate and high frequency swing by a small margin, and cutting blade is located between the inner-outer pressing plate by geometrical clamp removably.This toolroom machine can the swing in high frequency by this cutting blade be realized cutting, is cut, the multiple-working mode such as mill in practice.Yet, because the cutting blade on the existing Multi Role Aircraft all adopts the structure that through hole is installed, it is when packing between clip plate and the outer plate, just need to unload fully and remove outer plate (be the patent of WO200604276B such as publication number), again cutting blade is placed between the inner-outer pressing plate, then the installation through hole that the coupling part of tearing open outer plate is penetrated cutting blade is pressed on the clip plate, thereby cutting blade is fixed between the inner-outer pressing plate.The toolroom machine of this frame mode when cutting blade is changed, owing to outer plate need to be disassembled fully, is not only wasted time and energy, and is easily caused the generation of outer plate Loss.
The utility model content
The utility model purpose is: for the problems referred to above, the utility model provides a kind of electric hand-held power tool cutting blade of being convenient to change.
The technical solution of the utility model is: a kind of electric hand-held power tool cutting blade is shaped with an installation gap and at least one locating hole on the described cutting blade.
Be shaped with three described locating holes on the described cutting blade.
Described installation gap is U-shaped.
The utility model has the advantages that: electric hand-held power tool cutting blade of the present utility model, the version of the installation through hole of transmission because it has adopted installation gap, when its when toolroom machine is changed, only need the thrust between the slightly loosening inner-outer pressing plate, just old cutting blade laterally can be extracted, again with between the laterally inserted inner-outer pressing plate of new cutting blade, at last the inner-outer pressing plate compression be got final product, very convenient, and can avoid losing of outer plate.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the structural representation after the electric hand-held power tool assembling is finished among the utility model embodiment;
Fig. 2 is the explosive view of electric hand-held power tool among the utility model embodiment;
Fig. 3 is the partial structurtes schematic diagram of electric hand-held power tool among the utility model embodiment;
Fig. 4 is that the A-A of Fig. 3 is to cutaway view;
Fig. 5 is the cutaway view after the electric hand-held power tool assembling is finished among the utility model embodiment;
Fig. 6 is the cutaway view of electric hand-held power tool when changing cutting blade among the utility model embodiment;
Fig. 7 is the structural representation of external cam among the utility model embodiment;
Fig. 8 is the structural representation of cam ring among the utility model embodiment;
Fig. 9 is the structural representation of cutting blade among the utility model embodiment;
Wherein: 1-outer plate, 101-positioning convex, 2-cutting blade, the 201-installation gap, 202-locating hole, 3-clip plate, the 301-peripheral flange, 5-working spring, 6-bolt, the 7-thrust bearing, 8-external cam, 801-external cam body, 802-the second wedge shape boss, 9-cam ring, 901-cam ring body, 902-the first wedge shape boss, the 903-fin that leads, the 10-packing ring, the 11-back-up ring, 12-driving shaft, 13-bearing, the 14-stage clip, the 15-head capsule, 1501-long arc-shaped holes, the 1502-straight-line groove that leads, the 16-screw, the 17-spanner.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 5, the electric hand-held power tool of the present embodiment, comprise fuselage (not shown), head and cutting blade 2, head comprises that head capsule 15(is handpiece case), be provided with in this head capsule 15 that (amplitude of fluctuation is generally 3 ° be used to driving described cutting blade 2 swing in high frequency, frequency reaches per second up to ten thousand times) driving shaft 12, the outer surface cover of driving shaft 12 has a bearing 13 that is fixed in the head capsule 15, axial dipole field occurs in this bearing 13 in the time of can preventing driving shaft 12 work.
The outside of described driving shaft 12 also overlap have one with it the clip plate 3(of coaxial arrangement do not interfix between the two), the outside that these clip plate 3 parts are stretched out head capsule 15, and clip plate 3 can be done axial movement with respect to driving shaft 12.
The end of described driving shaft 12 is fixed with an outer plate 1 that is positioned at described clip plate 3 outsides in the mode that is threaded.Described cutting blade 2 is fixed between clip plate 3 and the outer plate 1.
Be shaped with a circle peripheral flange 301 on the inner periphery wall of described clip plate 3, the axial outside of this peripheral flange 301 be furnished with one be enclosed within described clip plate 3 outsides, can move axially and the cam ring 9 that can not circumferentially rotate, near the axial outside of described cam ring 9 be furnished with one be enclosed within described driving shaft 12 outsides, can circumferentially rotate and can not axially movable external cam 8.And described cam ring 9 and external cam 8 have and optionally make described cam ring 9 vertically outwards or the structure that moves inward when described external cam 8 is circumferentially rotated, this structure is specially: such as Fig. 5, Fig. 7 and shown in Figure 8, described cam ring 9 comprises the cam ring body 901 of annular, and the axial outside of this cam ring body 901 is formed with 3 even spaced apart, axially extended the first wedge shape boss 901.Described external cam 8 comprises the cam ring body 801 of annular, and the axial inboard of this external cam body 801 is formed with 3 even the second wedge shape boss 802 spaced apart, axially extended, corresponding with described the first wedge shape boss 902.
The axial disposed inboard of described cam ring 9 has a stage clip 14 that is enclosed within described driving shaft 12 outsides, the outboard end of this stage clip 14 is against on the described cam ring 9 by packing ring 10, the medial extremity of this stage clip 14 and described head capsule 15 relative fixing (be specially: fix a back-up ring 11 in the head capsule, the medial extremity of stage clip 14 is against on this back-up ring 11).
Be provided with the working spring 5 that is enclosed within driving shaft 12 outsides between described clip plate 3 and the driving shaft 12, the outboard end of this working spring 5 is against on the described clip plate 3, and the medial extremity of this working spring 5 is against on the described driving shaft 12.
As shown in Figure 3 and Figure 4, described cam ring 9 can move axially and can not circumferentially rotate and be achieved in that being shaped with three on the described head capsule 15 is trapped among the outer guiding straight-line grooves 1502 of cam ring body 901, the periphery wall of described cam ring body 901 be provided with three stretch in the described guiding straight-line groove 1502 and the fin 903 that can in described guiding straight-line groove 1502, lead in axial sliding.
As shown in Figures 2 and 3, offer a long arc-shaped holes 1501 with described external cam body 801 mutually concordant (mutually concordant axially) on the described head capsule 15, be fixedly installed one on the periphery wall of described external cam body 801 and pass the spanner 17 that described long arc-shaped holes 1501 is stretched out described head capsule 15 outsides, this spanner 17 is to be fixed on the periphery wall of external cam body 801 by screw 16.During enforcement, the user can by to spanner 17 pull impel external cam 8 to occur circumferentially to rotate.
As shown in Figure 9, in the present embodiment, be shaped with the installation gap 201 of a U font and the locating hole 202 of three circles on the described cutting blade 2, be shaped with the positioning convex 101 corresponding with described locating hole 202 on the described outer plate 1.Described cutting blade 2 inserts between the described inner-outer pressing plate by the installation gap 201 on it and is tightly clamped, and the positioning convex 101 on the described outer plate 1 stretches in the described locating hole 202.
The plug screw 5 that is positioned at the described external cam 8 axial outsides is housed on the described head capsule 15, is provided with between described plug screw 5 and the external cam 8 and prevents external cam 8 axially movable thrust bearings 7.
With reference to Fig. 5 and Fig. 6, existing that the exchonge step brief introduction of cutting blade on the electric hand-held power tool in the present embodiment 2 is as follows:
At first, pull the spanner 17 that stretches out head capsule 15 by the user, external cam 8 is rotated in a circumferential direction.External cam 8 is in rotary course, the second wedge shape boss 801 on the external cam 8 forwards the position of the first wedge shape boss 901 on the cam ring 9 gradually to, the second wedge shape boss 801 inwardly compresses the first wedge shape boss 901 makes cam ring 9 that axially inside movement occur, when inwardly moving axially, cam ring 9 can compress the peripheral flange 301 of clip plate 3 the inners, thereby (this moment, working spring 5 pressurizeds shortened, and its elastic potential energy increases to drive the axial inside movement of clip plate 3 generations again.And outer plate 1 is fixed on the output shaft 12, its axial location is constant all the time), and then so that have certain end play between outer plate 1 and the clip plate 3, no longer need the cutting blade 2 that uses on can smooth taking off tool machine, the U-shaped installation gap 201 of the cutting blade 2 that need are used is inserted in outside the outer plate 1, and the positioning convex 101 that the locating hole 202 on the cutting blade 2 that uses is aimed on the outer plates 1.Afterwards, pull again spanner 17 in the other direction, drive external cam 8 opposite spins.In the external cam 8 reverse rotation processes, under the outside axial elastic force effect of 14 pairs of cam rings of stage clip 9, the second wedge shape boss 801 on the external cam 8 changes the sunk part between the adjacent two first wedge shape boss 901 on the cam ring 9 over to, and axially outside movement occurs cam ring 9.After outwards moving axially, cam ring 9 just has certain end play between the peripheral flange 301 of itself and clip plate 3 the inners, and because working spring 5 is applied with outside axial elastic force to clip plate all the time, after having certain end play between the peripheral flange 301 of cam ring 9 and clip plate 3 the inners, working spring 5 must compress clip plate 3 and axially outside movement occur until the peripheral flange 301 on the clip plate 3 contacts with cam ring 9 again.So just, cutting blade 2 is clipped between clip plate 3 and the outer plate 1, the location double wedge on the outer plate 101 snaps in the locating hole 201 on the cutting blade 2.
Therefore in this example, cutting blade 2 need to disassemble without any part (comprising inner-outer pressing plate) on this toolroom machine in Renewal process, has therefore also just avoided the generation of parts Loss.
Certainly, above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow people can understand content of the present utility model and implements according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (3)
1. an electric hand-held power tool cutting blade is characterized in that: be shaped with an installation gap (201) and at least one locating hole (202) on the described cutting blade (2).
2. electric hand-held power tool cutting blade according to claim 1 is characterized in that: be shaped with three described locating holes (202) on the described cutting blade (2).
3. electric hand-held power tool cutting blade according to claim 1, it is characterized in that: described installation gap (201) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140361 CN203245834U (en) | 2013-03-26 | 2013-03-26 | Cutting piece for handheld electric tool machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140361 CN203245834U (en) | 2013-03-26 | 2013-03-26 | Cutting piece for handheld electric tool machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203245834U true CN203245834U (en) | 2013-10-23 |
Family
ID=49372294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140361 Expired - Fee Related CN203245834U (en) | 2013-03-26 | 2013-03-26 | Cutting piece for handheld electric tool machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203245834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213105A (en) * | 2013-03-26 | 2013-07-24 | 苏州伟泰克工具制造有限公司 | Cutting disc for hand-held electric tool machine |
-
2013
- 2013-03-26 CN CN 201320140361 patent/CN203245834U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213105A (en) * | 2013-03-26 | 2013-07-24 | 苏州伟泰克工具制造有限公司 | Cutting disc for hand-held electric tool machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Hu Fangkun Inventor after: Kuai Song Inventor after: Ni Heng Inventor before: Hu Fangkun |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HU FANGKUN TO: HU FANGKUN KUAI SONG NI HENG |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 Termination date: 20170326 |