CN106312187A - Electric tool - Google Patents
Electric tool Download PDFInfo
- Publication number
- CN106312187A CN106312187A CN201510342881.XA CN201510342881A CN106312187A CN 106312187 A CN106312187 A CN 106312187A CN 201510342881 A CN201510342881 A CN 201510342881A CN 106312187 A CN106312187 A CN 106312187A
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- CN
- China
- Prior art keywords
- jaw
- electric tool
- clamping part
- lock pin
- mounting bracket
- Prior art date
- 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.)
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Abstract
The invention discloses an electric tool. The electric tool comprises a first clamping jaw, a second clamping jaw, a mounting support and locking pins. The first clamping jaw comprises a first clamping portion and a first stress portion. The second clamping jaw comprises a second clamping portion and a second stress portion. The mounting support is used for mounting the first clamping jaw and the second clamping jaw. The locking pins can move relative to the mounting support. The first clamping claw further comprises a first rotary shaft portion. The first rotary shaft portion is located between the first clamping portion and the first stress portion. The second clamping jaw further comprises a second rotary shaft portion. The second rotary shaft portion is located between the second clamping portion and the second stress portion. Each locking pin is at least provided with a locked position and an unlocked position when moving relative to the mounting support. Each locking pin is in contact with the first stress portion at least when on the locked position. Each locking pin is gradually close to the first clamping portion when moving from the unlocked position to the locked position. The first clamping jaw rotates so that the first clamping portion can be close to the second clamping portion. By the adoption of the electric tool, a tool accessory can be assembled and disassembled quickly.
Description
Technical field
The present invention relates to a kind of electric tool, be specifically related to the electric tool of a kind of energy fast clamp attachment.
Background technology
Sweep-saw, as a kind of conventional cutting tool, is commonly used for cutting metal and timber etc..And according to the difference of material of sweep-saw cutting, generally also can be corresponding need to use different saw blades, therefore sweep-saw is required to install or dismantle different saw blades, is then required to clamp the clamping device of saw blade for this.And existing gripping apparatus grips saw blade is not sufficiently stable and can not realize quickly to install or dismantle, particularly in the case of needing the replacing saw blade being interrupted to carry out operation, that installs saw blade fast becomes a problem needing to solve.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of electric tool, this electric tool can the installation and removal of quick implementation tool adnexa.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of electric tool, including:
First jaw, including the first clamping part and the first forced section；
Second jaw, including the second clamping part and the second forced section；
Mounting bracket, for installing the first jaw and the second jaw；
Lock pin, can move relative to mounting bracket；
Wherein, the first jaw also includes:
First shaft, is used for making the first jaw be rotationally connected to mounting bracket with first axle for axle；
First shaft is between the first clamping part and the first forced section；
Second jaw also includes:
Second shaft, is used for making the second jaw be rotationally connected to mounting bracket with the second axis for axle；
Second shaft is between the second clamping part and the second forced section；
Lock pin is mounted opposite when support moves at least has locked；
Lock pin at least contacts the first forced section when being positioned at latched position；
Lock pin is by unlocked position when latched position moves, and lock pin moves closer to the first clamping part, and the first jaw rotates and makes the first clamping part near the second clamping part.
Further, lock pin is between the first jaw and the second jaw.
Further, the number of lock pin is 2, and when lock pin is moved to latched position by unlocked position, the spacing between two lock pins is gradually reduced.
Further, when lock pin is positioned at latched position, the spacing between two lock pins is equal to the spacing between the first clamping part and the second clamping part.
Further, the first forced section has the first stress surface, and the second forced section has the second stress surface, and the second stress surface tilts relative to the first stress surface, and two lock pins are between the first stress surface and the second stress surface.
Further, electric tool also includes:
Sliding part, is slidably installed on mounting bracket；
Can band pendulum lock pin move relative to mounting bracket when sliding part is mounted opposite bracket slide.
Further, electric tool also includes:
Support member, fixes with mounting bracket and is connected；
Biased element, is supported between sliding part and support member；
Biased element at least can drive sliding part to be mounted opposite bracket slide to initial position, and when sliding part is positioned at initial position, lock pin is positioned at latched position.
Further, the first jaw and the second jaw are symmetrical arranged about a symmetrical plane, and symmetrical plane is parallel to first axle, first axle and the second axis and is parallel to each other.
Further, electric tool also includes: motor, drive mechanism and executive item, and drive mechanism is between motor and executive item, and drive mechanism also drives executive item to move back and forth, and mounting bracket is fixing with executive item to be connected.
Further, electric tool also includes: attachment, and attachment at least can be held between the first clamping part and the second clamping part.
The invention have benefit that: this electric tool passes through the lock pin Self-unlocking position mobile realization quick clamping device adnexa to latched position.
Accompanying drawing explanation
Fig. 1 show the structural representation of one preferred embodiment of electric tool of the present invention；
The electric tool that Fig. 2 show in Fig. 1 removes the internal view after housing；
The executive item that Fig. 3 show in Fig. 1 and the structural representation of clamping device；
Fig. 4 show the structural representation after structure removes sliding part shown in Fig. 3；
Fig. 5 show the structural representation after structure shown in Fig. 3 removes sliding part and mounting bracket；
The explosive view of the part body that Fig. 6 show in Fig. 3.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention made concrete introduction.
The present invention proposes a kind of electric tool, and this electric tool can clamp an attachment 200 and perform its instrumental function.Please with reference to shown in Fig. 1 and Fig. 2, the electric tool 100 of the present invention includes: housing 11, motor 12, drive mechanism 13 and executive item 14.Wherein, housing 11 defines the shell of electric tool 100, motor 12 and drive mechanism 13 and is all contained in housing 11.
Concrete, motor 12 for changing into power output, motor 12 drive transmission device 13 by the energy that energy source provides.Drive mechanism 13 is for being transferred to executive item 14 by the power that motor 12 exports, and drive mechanism 13 is arranged between motor 12 and executive item 14.Electric tool 100 in the present invention is preferably a kind of sweep-saw, and for sweep-saw, drive mechanism 13 also drives executive item 14 to move reciprocatingly, and more specifically, drives executive item 14 to move up and down.
Technical scheme for convenience of explanation, with the reciprocating direction of executive item 14 as above-below direction, concrete, the above-below direction of the paper being in accompanying drawing.
It is known that electric tool 100 needs to install an attachment 200 on executive item 14, enough realized the function of electric tool 100 by the athleticism of this attachment 200, therefore electric tool 100 also needs to include an attachment 200.And when electric tool 100 is sweep-saw, corresponding, this attachment 200 can be an elongated saw blade, so, driving executive item 14 to pump by drive mechanism 13, executive item 14 drives connected saw blade to pump again, such that it is able to realize the purpose of sawing workpieces.
Attachment 200 can be installed on executive item 14 to realize electric tool 100, the electric tool 100 of the present invention also includes clamping device 10, and by this clamping device 10, attachment 200 quickly can be held on electric tool 100 by user.
For this, as shown in Figures 3 to 6, also including in electric tool 100: mounting bracket the 15, first jaw the 16, second jaw 17 and lock pin 18, wherein, the structure such as mounting bracket the 15, first jaw the 16, second jaw 17 and lock pin 18 i.e. defines foregoing clamping device 10.
Mounting bracket 15 is for installing first jaw the 16, second jaw 17 and lock pin 18 etc., and it is fixed with executive item 14 and is connected.
First jaw 16 includes: the first clamping part the 161, first forced section 162 and the first shaft 163, and the second jaw 17 includes: the second clamping part the 171, second forced section 172 and the second shaft 173.First clamping part 161 and the second clamping part 171 are oppositely arranged, and both near time attachment 200 can be clamped between the two.First forced section 162 and the second forced section 172 are also oppositely arranged.First shaft 163 is used for so that the first jaw 16 is rotationally connected to mounting bracket 15 with first axle L for axle, and the second shaft 173 is used for so that the second jaw 17 is rotationally connected to mounting bracket 15 with the second axis M for axle.First shaft 163 is between the first clamping part 161 and the first forced section 162, second shaft 173 is between the second clamping part 171 and the second forced section 172, so making the first jaw 16 define a lever with the first shaft 163 as fulcrum, the second jaw 17 defines a lever with the second rotating shaft as fulcrum.
As it has been described above, lock pin 18 is also installed on mounting bracket 15, and it can also be mounted opposite support 15 and move.It is mounted opposite when support 15 moves at lock pin 18 and at least there is locked.Wherein latched position refers to, when lock pin 18 is positioned at this position, attachment 200 can be clamped between the first clamping part 161 and the second clamping part 171, and the first jaw 16 now and the second jaw 17 to be mounted opposite the position of support 15 the most fixing, in other words, the first jaw 16 now can not rotate with first axle L for axle, and the second jaw 17 can not rotate with the second axis M for axle.Unlocked position refers to, when lock pin 18 is positioned at this position, attachment 200 can be extracted by user from the outside attachment 200 between the first clamping part 161 and the second clamping part 171 in other words that extend between the first clamping part 161 and the second clamping part 171 of electric tool 100, in other words, the first jaw 16 now can rotate with first axle L for axle, and the second jaw 17 also can rotate with the second axis M for axle.
Lock pin 18 the most at least contacts the first forced section 162 when being positioned at latched position, by with the contacting so that the first forced section 162 can not rotate with first axle L for axle of the first forced section 162, thus lock the first jaw 16 and be mounted opposite the rotation of support 15.In order to realize clamping tool adnexa 200, when lock pin 18 is moved to latched position by unlocked position, lock pin 18 also moves closer to the first clamping part 161, now the first jaw 16 starts rotate and make the first clamping part 161 move closer to the second clamping part 171, so that what attachment 200 can be stable is clamped by the first clamping part 161 close to each other and the second clamping part 171.
As shown in Figure 6, as concrete scheme, mounting bracket 15 includes installation portion 151 and connecting portion 152, installation portion 151 includes two, two installation portions 151 are parallel to each other and pass through connecting portion 152 and are connected as an entirety, two installation portions 151 and connecting portion 152 are substantially in a U-shape structure, and the opening of U-shape structure is towards executive item 14.Formed between two installation portions 151 and accommodate space, first jaw the 16, second jaw 17 and lock pin 18 are respectively positioned in receiving space, also form one at connecting portion 152 and pass through hole 152a, be used for passing through so that attachment 200 and being inserted in receiving space by hole 152a.
nullThe number of lock pin 18 is 2，Two lock pins 18 are respectively positioned between the first jaw 16 and the second jaw 17，When lock pin 18 is moved to latched position by unlocked position，Spacing between two lock pins 18 is gradually reduced，And when lock pin 18 is positioned at latched position，Spacing between two lock pins 18 is equal to the spacing between the first clamping part 161 and the second clamping part 171，So make when the first clamping part 161 and the second clamping part 171 clamping device adnexa 200，Two lock pins 18 contact with attachment 200 with clamping device adnexa 200 the most respectively，So that attachment 200 can be clamped by the first clamping part 161 and the second clamping part 171 simultaneously，And clamped by two lock pins 18，And then enable to more stable being clamped on electric tool 100 of attachment 200，Improve the stability of clamping.It should be noted that the spacing between two objects here refers to the distance between the edge of two objects.
First jaw 16 and the second jaw 17 are about in the receiving space being arranged on mounting bracket 15 symmetrical for a symmetrical plane S, this symmetrical plane S is parallel to the reciprocating above-below direction of executive item 14, symmetrical plane S also is normal to first axle L and the second axis M direction, first axle L and the second axis M are parallel to each other.First forced section 162 has the first stress surface 162a, and the second forced section 172 has the second stress surface 172a, the second stress surface 172a and tilts relative to the first stress surface 162a.Further, the first stress surface 162a and the second stress surface 172a tilts both with respect to symmetrical plane S, and along symmetrical plane S and point to the direction that attachment 200 is extracted, the spacing between the first stress surface 162a and the second stress surface 172a is gradually reduced.In other words, substantially forming inverted "eight" shape structure between the first stress surface 162a and the second stress surface 172a, the bigger one end of the opening of this inverted "eight" shape structure is relatively and the less one end of opening is further from the first clamping part 161.nullSo，When two lock pins 18 are between the first stress surface 162a and the second stress surface 172a，And in lock pin 18 Self-unlocking position in latched position moving process，In the case of the first stress surface 162a and the second stress surface 172a acts on in two lock pins 18 respectively，Spacing between two lock pins 18 is gradually reduced，Simultaneously under the counteracting force of lock pin 18，First jaw 16 and the second jaw 17 rotate with first axle L and the second axis M for axle the most respectively，Make the first clamping part 161 and the second clamping part 171 the most close to each other，Until when the first clamping part 161 and the second clamping part 171 clamping tool adnexa 200 and two lock pin 18 also clamp fittings，Two lock pins 18 support the first forced section 162 respectively and the second forced section 172 makes the first jaw 16 and the second jaw 17 position fix，Same under the effect of the first forced section 162 and the second forced section 172，The position of two lock pins 18 is also fixed，Thus realize stable clamping device adnexa 200.
Lock pin 18 extends along the direction being parallel to first axle L, and two lock pins 18 lay respectively at the both sides of symmetrical plane S, move so that lock pin 18 can be mounted opposite support 15, also include sliding part 19, support member 21 and biased element 22 in electric tool 100.
Sliding part 19 is slidably installed on mounting bracket 15, and it is for for user operation.Sliding part 19 is sleeved on the outer wall of mounting bracket 15, being internally formed of sliding part 19 can make it be sleeved on the suit hole 191 of mounting bracket 15, what the hole wall in suit hole 191 was symmetrical is provided with two mounting groove 191a, mounting groove 191a extends along the direction being perpendicular to symmetrical plane S, and the two ends of lock pin 18 are respectively embedded in mounting groove 191a.Further, lock pin 18 is the most cylindrical, mounting groove 191a is more than the diameter sum of two lock pins 18 along the length being perpendicular on a direction of symmetrical plane S, and mounting groove 191a is substantially equal to the diameter of lock pin 18 along the width being parallel on a direction of symmetrical plane S.So, two lock pins 18 can be driven when sliding part 19 slides relative to mounting bracket 15 to be mounted opposite support 15 in the lump and to move, simultaneously two lock pins 18 can also toward each other near or away from direction move.
Support member 21 is fixing with mounting bracket 15 to be connected, and further, support member 21 and mounting bracket 15 are all fixedly installed in executive item 14, it can be seen that, support member 21 can also be one-body molded with mounting bracket 15.Biased element 22 is supported between sliding part 19 and support member 21, and biased element 22 can drive sliding part 19 to be mounted opposite support 15 and slide into initial position, and when sliding part 19 is positioned at initial position, lock pin 18 is positioned at latched position.So, under the bias effect of biased element 22, when without External Force Acting, it is possible to make sliding part 19 be maintained at initial position, so that lock pin 18 is maintained at latched position, so that attachment 200 now can be without stable held under External Force Acting.In the present embodiment, biased element 22 is preferably helical spring, and helical spring is two, and two helical springs are also about the setting that symmetrical plane S is symmetrical.
nullIntroduce mode of operation and the operation principle of the electric tool 100 clamping device adnexa 200 of the present invention in detail below: first user needs to overcome the bias of biased element 22，Operation sliding part 19 makes sliding part 19 move upward，The sliding part 19 band pendulum lock pin 18 moved upward also moves up to unlocked position，At this moment lock pin 18 can depart from the first stress surface 162a and the second stress surface 172a，First jaw 16 and the second jaw 17 can rotate，At this moment，Attachment 200 is inserted between the first jaw 16 and the second jaw 17 by user from the position between the first clamping part 161 and the second clamping part 171，Then user unclamps sliding part 19，Sliding part 19 slide downward band pendulum lock pin 18 under the effect of biased element 22 are moved to latched position by unlocked position，First clamping part 161 and the second clamping part 171 are close to each other，Two lock pins 18 are the most close to each other，Until making attachment 200 be clamped between the first clamping part 161 and the second clamping part 171 and between two lock pins 18.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry, above-described embodiment limits the present invention, the technical scheme that the mode of all employing equivalents or equivalent transformation is obtained the most in any form, all falls within protection scope of the present invention.
Claims (10)
1. an electric tool, including:
First jaw, including the first clamping part and the first forced section；
Second jaw, including the second clamping part and the second forced section；
Mounting bracket, is used for installing described first jaw and described second jaw；
Lock pin, can move relative to described mounting bracket；
Wherein, described first jaw also includes:
First shaft, is used for making described first jaw be rotationally connected to described mounting bracket with first axle for axle；
Described first shaft is between described first clamping part and described first forced section；
Described second jaw also includes:
Second shaft, is used for making described second jaw be rotationally connected to described mounting bracket with the second axis for axle；
Described second shaft is between described second clamping part and described second forced section；
Described lock pin at least has locked when described mounting bracket moves；
Described lock pin at least contacts described first forced section when being positioned at described latched position；
Described lock pin is by described unlocked position when described latched position moves, and described lock pin moves closer to described first clamping part, and described first jaw rotates and makes described first clamping part near described second clamping part.
Electric tool the most according to claim 1, it is characterised in that described lock pin is between described first jaw and described second jaw.
Electric tool the most according to claim 1, it is characterised in that the number of described lock pin is 2, when described lock pin is moved to described latched position by described unlocked position, the spacing between two described lock pins is gradually reduced.
Electric tool the most according to claim 3, it is characterised in that when described lock pin is positioned at described latched position, the spacing between two described lock pins is equal to the spacing between described first clamping part and described second clamping part.
Electric tool the most according to claim 3, it is characterized in that, described first forced section has the first stress surface, described second forced section has the second stress surface, the most described first stress surface of described second stress surface tilts, and two described lock pins are between described first stress surface and described second stress surface.
Electric tool the most according to claim 1, it is characterised in that described electric tool also includes:
Sliding part, is slidably installed on described mounting bracket；
Described lock pin can be driven to move relative to described mounting bracket when described sliding part slides relative to described mounting bracket.
Electric tool the most according to claim 6, it is characterised in that described electric tool also includes:
Support member, fixes with described mounting bracket and is connected；
Biased element, is supported between described sliding part and described support member；
Described biased element at least can drive the most described mounting bracket of described sliding part to slide into initial position, and when described sliding part is positioned at described initial position, described lock pin is positioned at described latched position.
Electric tool the most according to claim 1, it is characterised in that described first jaw and described second jaw are symmetrical arranged about a symmetrical plane, described symmetrical plane is parallel to described first axle, and described first axle is parallel to each other with described second axis.
Electric tool the most according to claim 1, it is characterized in that, described electric tool also includes: motor, drive mechanism and executive item, described drive mechanism is between described motor and described executive item, described drive mechanism also drives described executive item to move back and forth, and described mounting bracket is fixing with described executive item to be connected.
Electric tool the most according to claim 9, it is characterised in that described electric tool also includes: attachment, described attachment at least can be held between described first clamping part and described second clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342881.XA CN106312187B (en) | 2015-06-18 | 2015-06-18 | Electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510342881.XA CN106312187B (en) | 2015-06-18 | 2015-06-18 | Electric tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106312187A true CN106312187A (en) | 2017-01-11 |
| CN106312187B CN106312187B (en) | 2018-02-23 |
Family
ID=57733087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510342881.XA Expired - Fee Related CN106312187B (en) | 2015-06-18 | 2015-06-18 | Electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106312187B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590545A (en) * | 2017-09-30 | 2019-04-09 | 南京德朔实业有限公司 | Clamping device for clamping working accessory and electric tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4313718C2 (en) * | 1993-04-27 | 1997-04-10 | Bernd Hoeschele | Device for holding a saw blade |
| CN1613601A (en) * | 2003-11-04 | 2005-05-11 | Gmca有限公司 | Clamping device |
| CN101722334A (en) * | 2008-10-15 | 2010-06-09 | 罗伯特·博世有限公司 | Hand-held reciprocating saw |
| CN101909798A (en) * | 2008-01-10 | 2010-12-08 | 罗伯特·博世有限公司 | Handheld jigsaw |
| CN102554345A (en) * | 2010-12-27 | 2012-07-11 | 罗伯特·博世有限公司 | Tool fixing device |
-
2015
- 2015-06-18 CN CN201510342881.XA patent/CN106312187B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4313718C2 (en) * | 1993-04-27 | 1997-04-10 | Bernd Hoeschele | Device for holding a saw blade |
| CN1613601A (en) * | 2003-11-04 | 2005-05-11 | Gmca有限公司 | Clamping device |
| CN101909798A (en) * | 2008-01-10 | 2010-12-08 | 罗伯特·博世有限公司 | Handheld jigsaw |
| CN101722334A (en) * | 2008-10-15 | 2010-06-09 | 罗伯特·博世有限公司 | Hand-held reciprocating saw |
| CN102554345A (en) * | 2010-12-27 | 2012-07-11 | 罗伯特·博世有限公司 | Tool fixing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109590545A (en) * | 2017-09-30 | 2019-04-09 | 南京德朔实业有限公司 | Clamping device for clamping working accessory and electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106312187B (en) | 2018-02-23 |
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