CN101579853B

CN101579853B - Auxiliary handle of power tool

Info

Publication number: CN101579853B
Application number: CN2008100975491A
Authority: CN
Inventors: 廖永源
Original assignee: JONNESWAY ENTERPRISE CO Ltd
Current assignee: JONNESWAY ENTERPRISE CO Ltd
Priority date: 2008-05-13
Filing date: 2008-05-13
Publication date: 2011-03-09
Anticipated expiration: 2028-05-13
Also published as: CN101579853A

Abstract

The invention relates to an auxiliary handle of a power tool, which comprises a grab handle, a bunching ring and a tensioning component, wherein one end of the grab handle is fixedly connected to a first side of the grab handle; the tensioning component is provided with a connecting rod and a bunching button; one end of the bunching button is provided with a cam end pivoted to the connecting rod; the peripheral surface of the cam end is provided with a releasing part and a tensioning part; and the inner end of the connecting rod of the tensioning component is penetrated to a second end of the bunching ring and connected to a second side of the grab handle. When the bunching button is turned, the releasing part or the tensioning part can contact the second end of the bunching ring; when thereleasing part of the bunching button contacts the second end of the bunching ring, the bunching ring has a larger circumference; and when the tensioning part contacts a first end of the bunching rin g, the circumference of the bunching ring can be reduced, thus the auxiliary handle can be quickly bunched to the power tool or loosed so as to change the position of the auxiliary handle on the powertool.

Description

The auxiliary handle of power tool

Technical field

The present invention is relevant with power tool, knows clearly it, means a kind of auxiliary handle that is used in power tool.

Background technology

See also Fig. 1, power tool 10 is installed an auxiliary handle 14 mostly in addition except having handle 12, holds handle 12 and auxiliary handle 14 respectively for user's both hands, to increase the stability that grips and laborsaving usefulness is provided.

The structure of known a kind of auxiliary handle 14 as shown in Figure 1, have a lever 15 and a beam ring 16, this beam ring 16 is enclosed within body 11 side faces of instrument 10, again its two end 161 is fixed at lever 15 2 sides with screw 17, auxiliary handle 14 can be connected in instrument 10, and tighten in body 11 by beam ring 16 and to fix.

At different operating spaces or operating environment, the occasion of narrow space especially, the user usually needs auxiliary handle is moved to different positions, for example, auxiliary handle among Fig. 1 14 is transformed to the instrument apical margin by a side of instrument.The user must unscrew a screw 17, removes the state of tightening of beam ring 16, and after auxiliary handle moved to desired location, screws screw again, with beam ring 16 clamped tool 10 side faces once more.

The above-mentioned comparatively inconvenience and consuming time of mode of tightening and unclamping auxiliary handle can't be finished fast.

Moreover conventional construction must be tightened or unclamps beam ring by hand-held tool, is meaning the operator and must carry hand-held tool, increases the burden of user's belongings.If do not carry hand-held tool or can not find hand-held tool, the position of the conversion auxiliary handle of promptly having no way of for the moment.

In view of this, the inventor develops the present invention, takes off disappearance on solving.

Summary of the invention

Main purpose of the present invention is, a kind of auxiliary handle of power tool is provided, and makes auxiliary handle be fixed in power tool fast or unclamps.

Another object of the present invention is to, a kind of auxiliary handle of power tool is provided, need not to use hand-held tool can reach the purpose of the angle of adjusting auxiliary handle.

Auxiliary handle provided by the present invention includes: a lever; One beam ring, for having the annular solid of two ends, its first end is fixed in first side of this lever; One packing member has an extension bar and and tightens button; This end of tightening button is a cam end, and the other end is for pulling end; This is tightened button and articulates with this cam end and this extension bar outer end, and the side face of this cam end has a release portion and a clamping part, and this release portion is shorter apart from this distance of center of rotation of tightening button; And this clamping part is longer apart from this distance of center of rotation of tightening button; This packing member is extended through second end of this beam ring with this extension bar the inner, and is connected in second side of this lever; Switching this when tightening button, can make this release portion or clamping part be contacted with second end of this beam ring.

When being contacted with second end of beam ring, can make this beam ring have bigger Zhou Jing with the release portion that tightens button; When being contacted with first end of beam ring, then can dwindle the Zhou Jing of this beam ring, by this, can change the Zhou Jing of this beam ring fast, make beam ring tighten in power tool or unclamp, so that change the position that auxiliary handle is installed in power tool with this clamping part.And when the setting position of conversion auxiliary handle, need not use hand-held tool.

Be the effect that makes the auditor further understand purpose of the present invention, feature and to be reached, below lift a preferred embodiment of the present invention now, and after cooperating graphic being described in more detail in.

Description of drawings

Fig. 1 is known a kind of auxiliary handle and the state that is installed in a power tool thereof.

Fig. 2 is a preferred embodiment of the present invention and the stereogram that is installed in a power tool thereof.

Fig. 3 is the exploded perspective view of a preferred embodiment of the present invention.

Fig. 4 is the top view of Fig. 2.

Fig. 5 is the profile of the 5-5 hatching line of Fig. 4.

Fig. 6 is the front view of Fig. 2.

Fig. 7 shows that removing beam ring tightens state in power tool.

Fig. 8 is the front view of Fig. 7.

The specific embodiment

See also Fig. 2, Fig. 3, the auxiliary handle 20 that a preferred embodiment of the present invention provided, Fig. 2 also shows that this handle is installed in the state of a pneumatic tool or electric tool, the power tool shown in the figure only shows the appearance profile of the leading portion of body 25.This auxiliary handle 20 has a lever 30, a beam ring 40 and a packing member 50.

The front end of this lever 30 is a contact site 32, corresponding to the appearance profile of the body of power tool, in order to be contacted with body 25; Lever outer end system is for gripping.

This beam ring 40 is the made annular solid with two ends of strip sheet metal, Zhou Jing of its ring body have can open outward or in the elasticity that contracts.Two ends 42,43 of this beam ring are respectively established a perforation 44.

One Connection Element 45 can be screw, pin or rivet, and present embodiment is a screw.This Connection Element is arranged in the perforation 44 of beam ring 40 first ends 42, and is bolted in the screw 34 of lever 30 1 sides, as Fig. 5, first end 42 of beam ring 40 is fixed in lever 30 1 sides.

This packing member 50 has an extension bar 52 and and tightens button 60.These extension bar 52 the inners 54 are one to be provided with the end that is spirally connected of screw thread.This end of tightening button 60 is one to have the cam end 62 of cam effect, and the other end is for pulling end 65.The hole 621 of tightening the cam end 62 of button 60 is articulated in this extension bar 52 outer ends 55 with one 66, and can this axle 66 rotates on extension bar for center of rotation.The side face of this cam end 62 has two anchor points, is respectively a release portion 63 and a clamping part 64.This release portion 63 is shorter apart from the distance of the center of rotation (i.e. this axle 66) of tightening button; And clamping part 64 is longer apart from the distance of this center of rotation.In addition, this cam end 62 is made of two lugs 67 arranged side by side, as Fig. 7, and forms a space 68 between this two lug, and release portion 63 and clamping part 64 are made in the side face of lug; These extension bar 52 outer ends are stretched into this space 68, are positioned at 67 of this two lugs, and articulate with this cam end 62.This dual side-edge of pulling end 65 respectively is provided with a fin 69, is positioned at the same side of pulling end.

This packing member 50 54 penetrates the perforation 44 of beam ring 40 second ends 43 with the end that is spirally connected of this extension bar 52, and is bolted in the screw 35 of these lever 30 opposite sides, as Fig. 5, and makes extension bar 52 lever 30 proper depth of packing into.By this, second end 43 of beam ring promptly has substantial annexation via this packing member with lever.

When the present invention uses, with beam ring 30 snares of auxiliary handle 20 in the annular groove 26 (as Fig. 3) on body 25 surfaces, then, as Fig. 2, shown in Figure 6, with packing member 50 tighten button 60 toward lever 30 switchings the time, can make the clamping part 64 of the cam end 62 of tightening button 60 be contacted with second end 43 of beam ring 30.Because clamping part 64 is longer apart from this radial distance of 66, thus clamping part with second end 43 of beam ring 30 toward levers 30 compressings, the Zhou Jing that makes beam ring dwindles and tightens body 25 in power tool, auxiliary handle 20 is promptly restrainted is fixed in power tool, for gripping.When tightening state, to tighten pulling of button 60 and hold this lever 30 of 65 migrations, these two fins, 69 covers are overlying on the lever periphery.

When user's desire is adjusted the position, angle of auxiliary handle, must remove the state that beam ring 30 is tightened power tool earlier.User system is as Fig. 7, shown in Figure 8, and this is pulled end 65 and will tighten button 50 switching outward certainly, makes this clamping part 64 leave second end 43 of beam ring 30, then is contacted with second end of beam ring by this release portion 63.At this moment, shorter apart from this radial distance of 66 because of release portion 63, this second end i.e. outer the opening by the elasticity of beam ring itself.The week of beam ring directly no longer tightly restraints in body 25 behind the elastic dilatation, and the user can rotate whole auxiliary handle on body, for example move to the upside or the opposite side of body.After treating auxiliary handle moved to desired location, again this is tightened button 60 overlines and pull the position of tightening, urge second end by this clamping part 64 once more, the Zhou Jing of beam ring is dwindled and tighten body 25 in beam ring to Fig. 2, Fig. 6.

In addition, the extension bar 52 of present embodiment is bolted in lever 30, therefore, can adjust the degree of depth that extension bar penetrates lever, to adjust the packing degree of beam ring 30.

But auxiliary handle provided by the present invention has the convenience of fast moving position, the Zhou Jing that button 60 can be adjusted beam ring 30 that tightens by switching packing member 50, make beam ring can tighten body fast, or unclasp fast, make things convenient for the position, angle of user's conversion auxiliary handle in power tool.

Moreover, when controlling packing member 50, need only can operate with hand, need not to alleviate the burden that the user carries hand-held tool, and can avoid can not find hand-held tool and the disappearance that can't adjust auxiliary handle by any hand-held tool.

On to take off all embodiment only be in order to explanation the present invention and unrestricted.

The present invention is the structure of ware initiative, and effectively overcomes the disappearance that known auxiliary handle can't the rapid adjustment position, and the enhancement of tool progressive effect is really closed in the patent of invention important document.

Claims

1. the auxiliary handle of a power tool is characterized in that, includes:

One lever, its front end are a contact site, corresponding to the appearance profile of a body of power tool, in order to be contacted with body;

One beam ring, for having the annular solid of two ends, its in week the footpath can open outward or in contract; Second end of this beam ring is established a perforation;

One Connection Element is fixed in first end of this beam ring first side of this lever;

One packing member has an extension bar and and tightens button; This end of tightening button is a cam end, and the other end is for pulling end; This is tightened button and articulates with this cam end and this extension bar outer end, and is that center of rotation is rotated on this extension bar with the articulated section; The side face of this cam end has two anchor points, is respectively a release portion and a clamping part, and this release portion is shorter apart from the radial distance of this center of rotation; And this clamping part is longer apart from the radial distance of this center of rotation; This packing member is extended through the perforation of this beam ring second end with this extension bar the inner, and is connected in second side of this lever, adjusts the degree of depth that extension bar penetrates lever, to adjust the packing degree of beam ring; Switching this when tightening button, make this release portion or clamping part be contacted with second end of this beam ring, use the Zhou Jing that changes this beam ring.

2. the auxiliary handle of power tool as claimed in claim 1 is characterized in that, second side of this lever is established a screw; The inner of this extension bar is the end that is spirally connected, and is bolted in this screw.

3. the auxiliary handle of power tool as claimed in claim 1, it is characterized in that: this this cam end of tightening button has two lugs arranged side by side, and forms a space between this two lug; This release portion and this clamping part are positioned at the side face of this two lug; This extension bar outer end is stretched in this space, articulates with this two lug.

4. the auxiliary handle of power tool as claimed in claim 2, it is characterized in that: this this cam end of tightening button has two lugs arranged side by side, and forms a space between this two lug; This release portion and this clamping part are positioned at the side face of this two lug; This extension bar outer end is stretched in this space, articulates with this two lug.

5. the auxiliary handle of power tool as claimed in claim 1 is characterized in that: this is pulled the end dual side-edge and respectively establishes a fin, and this two fin is positioned at the same side of pulling end.

6. the auxiliary handle of power tool as claimed in claim 1, it is characterized in that: first side of this lever is also established a screw; First end of this beam ring is also established a perforation; This Connection Element is a spiro connecting element, is arranged in the perforation of beam ring first end, and is bolted in the screw of this lever first side.

7. the auxiliary handle of a power tool is characterized in that, includes:

One beam ring, for having the annular solid of two ends, its in week the footpath can open outward or in contract; Second end of this beam ring is established a perforation; First end of this beam ring is fixed in first side of this lever;

8. the auxiliary handle of power tool as claimed in claim 7 is characterized in that, second side of this lever is established a screw; The inner of this extension bar is the end that is spirally connected, and is bolted in this screw.

9. the auxiliary handle of power tool as claimed in claim 7, it is characterized in that: this this cam end of tightening button has two lugs arranged side by side, and forms a space between this two lug; This release portion and this clamping part are positioned at the side face of this two lug; This extension bar outer end is stretched in this space, articulates with this two lug.

10. the auxiliary handle of power tool as claimed in claim 8, it is characterized in that: this this cam end of tightening button has two lugs arranged side by side, and forms a space between this two lug; This release portion and this clamping part are positioned at the side face of this two lug; This extension bar outer end is stretched in this space, articulates with this two lug.