CN103240715A - Subsidiary knob of a hand-held tool - Google Patents
Subsidiary knob of a hand-held tool Download PDFInfo
- Publication number
- CN103240715A CN103240715A CN201310198292XA CN201310198292A CN103240715A CN 103240715 A CN103240715 A CN 103240715A CN 201310198292X A CN201310198292X A CN 201310198292XA CN 201310198292 A CN201310198292 A CN 201310198292A CN 103240715 A CN103240715 A CN 103240715A
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- main body
- lever
- lever main
- claw
- pin joint
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- Portable Power Tools In General (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to a subsidiary knob of a hand-held tool, belonging to the technical field of electric tools. The knob body of the subsidiary knob is composed of separable upper part and lower part; the upper part extends to form a first clamping claw; the lower part extends to form a support arm; the support arm and the middle part of a second clamping claw are hinged to a first hinge joint; the upper end of the second clamping claw and the front section of the upper part are hinged to a second hinge joint; the front section of the lower part and the lower end of the support rod are hinged to a third hinge joint; the upper end of the support rod and the middle section of the upper part are hinged to a fourth hinge joint; when the upper part and the lower part are in a gathering state, the first clamping claw and the second clamping claw are located at the relatively main body position of a clamping tool; and the first, third and fourth hinge joints are located at a collinear position. After the subsidiary knob of the hand-held tool is adopted, the hand-held tool is faster and more convenient obviously, and reliable clamping is ensured.
Description
Technical field
The present invention relates to a kind of grip device of instrument, relate in particular to a kind of secondary lever of handheld tool, belong to technical field of tools.
Background technology
The applicant retrieves, and american documentation literature US2011/0120741A1 has disclosed a kind of secondary lever of hand held electric tool.Its effect is, in using the electric hand tool process, when needs are afterburning, can load onto secondary lever as required temporarily, from but the operator can grip king lever and secondary lever respectively by both hands simultaneously, in order to grip more steady.This pair lever comprises: first chuck is used for being connected with housing in primary importance; Second chuck is used for being connected with housing in the second place; Second chuck can make secondary lever be fitted into housing, or leave first collet movement from first direction from first direction towards first collet movement, secondary lever is joined unload housing; Screw a handle and can make second chuck in the motion of one of first and second directions, first and second chucks are around the part of clamp.Its advantage is that secondary lever can dismounting, thereby makes the operation of electric tool use adaptability stronger, more flexible.But the dismounting of secondary lever need be by the screwed handle, and is quick inadequately.
Summary of the invention
Task of the present invention is: provide a kind of can fast assembling-disassembling and the secondary lever of the reliable handheld tool of clamping, thereby bring more convenience to the operator.
The basic technical scheme that the complete above-mentioned task of the present invention provides is: a kind of secondary lever of handheld tool, comprise the lever main body, described lever main body is made up of separable upper and lower, first claw that the end is positioned at the local side of tool body is extended on the top of described lever main body forward, and the bottom of described lever main body is extended support arm forward; The middle part that described support arm and lower end are positioned at second claw of the local opposite side of tool body is articulated in first pin joint, and the top leading portion of the upper end of described second claw and described lever main body is articulated in second pin joint; The bottom leading portion of described lever main body and the lower end of support bar are articulated in the 3rd pin joint, and the stage casing, top of the upper end of described support bar and lever main body is articulated in the 4th pin joint; When the upper and lower of described lever main body is in when gathering state, described first claw is in relative clamping device body position with second claw, and described the first, the 3rd, the 4th pin joint is in collinear position.
This shows, behind employing the present invention, as long as hold the upper and lower of pinching the lever main body it is gathered, can pass through first and second claws with the tool body clamping, thereby form the secondary lever that is contained in fast on the tool body.At this moment, because the first, the 3rd, the 4th pin joint is in collinear position, thereby the linkage that lever main body top, bottom and second claw, support bar are constituted is in self-locking position, firmly tool body is clamped.Screw clamping with the spiral of prior art and compare, of the present inventionly hold that to pinch clamping obviously more efficient and convenient, and by the dead-centre position rationally is set, guaranteed that clamping is reliable.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the disassembled form structural representation of the embodiment of the invention one.
Fig. 2 is the clamp position structural representation of the embodiment of the invention one.
Fig. 3 is the disassembled form structural representation of the embodiment of the invention two.
Fig. 4 is the clamp position structural representation of the embodiment of the invention two.
The specific embodiment
Embodiment one
The secondary lever basic structure of present embodiment handheld tool as depicted in figs. 1 and 2, lever main body B is made up of separable top 1 and bottom 2.The cross section, holding area of top 1 and bottom 2 is respectively the semicircle (referring to the coincide sectional view of Fig. 2) that involutory back forms full circle, and the apposition position edge has the concaveconvex structure that matches---present embodiment is shown in the local amplification of Fig. 2,2 involutory edges, lever bottom have semi-circular projection, 1 involutory edge, top has the semicircle depression, therefore the involutory handle of forming complete joint close afterwards.
The top 1 of lever main body is extended the end forward and is positioned at for example electric hand drill of tool body M(, only illustrates it that cross section, secondary lever position is installed among the figure) the bending first claw 1-1 of a local side, the bottom 2 of lever main body is extended support arm 2-1 forward.The middle part that support arm 2-1 and lower end are positioned at second claw 3 of the local opposite side of tool body M is articulated in the first pin joint a, and the upper end of second claw 3 and the top of lever 1 leading portion are articulated in the second pin joint b.Bottom 2 front ends of lever main body and the lower end of support bar 4 are articulated in the 3rd pin joint c, and the stage casing, top of the upper end of support bar 4 and lever main body is articulated in the 4th pin joint d.The first claw 1-1 and second claw 3 have and the tool body binding face---and present embodiment is arc surface, and its relative termination has respectively with tool body M goes up the outstanding dop that recess matches.
During use, held when the top 1 of lever main body and bottom 2 and to be pinched, become shown in Figure 2 when gathering state by disassembled form shown in Figure 1, the first claw 1-1 is in relative clamping device main body M position with the second claw 2-1, and the first, the 3rd, the 4th pin joint a, c, d are in collinear position shown in Figure 2.Not only tool body form secondary lever easy and simple to handle, clamping is quick, and after the clamping, the linkage that lever main body top 1, bottom 2 and second claw 3, support bar 4 constitute is in self-locking state, firmly steadily tool body is clamped, thereby play the due effect of secondary lever when guaranteeing operation tool.
Embodiment two
The secondary lever basic structure of present embodiment handheld tool is identical with embodiment one, and it is further perfect on this basis, as shown in Figure 3 and Figure 4, in the bottom 2 of lever main body hinged have break away from lever 5, the front end and the 3rd pin joint c that break away from lever 5 are hinged, the bottom 2 of lever main body is stretched out in the rear end, its effect is in the time the secondary lever of clamping on tool body M need being pulled down, pull the rear end that breaks away from lever 5 up, can make the leverage of original self-locking easily break away from the dead-centre position of the first, the 3rd, the 4th pin joint conllinear, thus convenient the fractionation.In addition, between the top 1 of lever main body and second claw 3 extension spring 6 is housed, therefore can be by the retraction effect of extension spring 6, break away from the dead-centre position of conllinear at the first, the 3rd, the 4th pin joint after, the bottom of lever main body have automatically and top from trend, further facilitate pulling down of secondary lever.
Need to prove; above embodiment is all nonrestrictive; all those skilled in the art are equal to the replacement technical scheme without what creative work was realized---for example change be fixed on behind upper and lower cross sectional shape, first claw and the support arm split production of lever main body the upper and lower, by extend forward pin joint that top or bottom make its leading portion be positioned at its, etc., be the protection domain of requirement of the present invention.
Claims (6)
1. the secondary lever of a handheld tool, comprise the lever main body, it is characterized in that: described lever main body is made up of separable upper and lower, first claw that the end is positioned at the local side of tool body is extended on the top of described lever main body forward, and the bottom of described lever main body is extended support arm forward; The middle part that described support arm and lower end are positioned at second claw of the local opposite side of tool body is articulated in first pin joint, and the top leading portion of the upper end of described second claw and described lever main body is articulated in second pin joint; The bottom leading portion of described lever main body and the lower end of support bar are articulated in the 3rd pin joint, and the stage casing, top of the upper end of described support bar and lever main body is articulated in the 4th pin joint; When the upper and lower of described lever main body is in when gathering state, described first claw is in relative clamping device body position with second claw, and described the first, the 3rd, the 4th pin joint is in collinear position.
2. the secondary lever of handheld tool according to claim 1 is characterized in that: hinged in the bottom of described lever main body have a disengaging lever, and the front end of described disengaging lever and the 3rd pin joint are hinged, and the bottom of lever main body is stretched out in the rear end.
3. the secondary lever of handheld tool according to claim 2 is characterized in that: between the top of described lever main body and second claw extension spring is housed.
4. the secondary lever of handheld tool according to claim 3 is characterized in that: the cross section, holding area of the upper and lower of described lever main body is respectively the semicircle that involutory back forms full circle.
5. the secondary lever of handheld tool according to claim 4, it is characterized in that: the apposition position edge, upper and lower of described lever main body has the concaveconvex structure that matches.
6. the secondary lever of handheld tool according to claim 5 is characterized in that: involutory edge, the bottom of described lever main body has semi-circular projection, involutory edge, top has the semicircle depression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198292.XA CN103240715B (en) | 2013-05-24 | 2013-05-24 | Subsidiary knob of a hand-held tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310198292.XA CN103240715B (en) | 2013-05-24 | 2013-05-24 | Subsidiary knob of a hand-held tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103240715A true CN103240715A (en) | 2013-08-14 |
| CN103240715B CN103240715B (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310198292.XA Expired - Fee Related CN103240715B (en) | 2013-05-24 | 2013-05-24 | Subsidiary knob of a hand-held tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103240715B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641235A (en) * | 2019-10-16 | 2020-01-03 | 佛山市劲雄机械有限公司 | Locking device that takes off is pull to car |
| CN110641235B (en) * | 2019-10-16 | 2024-07-09 | 佛山市劲雄机械有限公司 | Anti-loosening locking device for automobile traction |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5049012A (en) * | 1991-03-11 | 1991-09-17 | Ryobi Motor Products Corp. | Auxiliary handle for hand-held drill |
| CN2104733U (en) * | 1990-09-03 | 1992-05-20 | 柳锦华 | Multipurpose pliers |
| DE20112194U1 (en) * | 2001-07-24 | 2001-10-31 | Puma Werk Lauterjung & Sohn Gm | Hand tool |
| CN2608236Y (en) * | 2003-02-25 | 2004-03-31 | 力武电机股份有限公司 | Auxiliary handle device of portable power tool |
| CN201049457Y (en) * | 2006-03-09 | 2008-04-23 | 布莱克和戴克公司 | Electric tool and assistant handle used for the same |
| EP2163357A1 (en) * | 2008-09-15 | 2010-03-17 | HILTI Aktiengesellschaft | Supplementary handle for a manual tool machine |
| US20110120741A1 (en) * | 2008-05-09 | 2011-05-26 | Kurt Limberg | Auxiliary handle for use with a power tool |
| US20130042730A1 (en) * | 2011-08-19 | 2013-02-21 | Paul W. Griffin | Auxiliary power tool handle |
| CN203245840U (en) * | 2013-05-24 | 2013-10-23 | 何朝红 | Secondary handle of hand-held tool |
-
2013
- 2013-05-24 CN CN201310198292.XA patent/CN103240715B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104733U (en) * | 1990-09-03 | 1992-05-20 | 柳锦华 | Multipurpose pliers |
| US5049012A (en) * | 1991-03-11 | 1991-09-17 | Ryobi Motor Products Corp. | Auxiliary handle for hand-held drill |
| DE20112194U1 (en) * | 2001-07-24 | 2001-10-31 | Puma Werk Lauterjung & Sohn Gm | Hand tool |
| CN2608236Y (en) * | 2003-02-25 | 2004-03-31 | 力武电机股份有限公司 | Auxiliary handle device of portable power tool |
| CN201049457Y (en) * | 2006-03-09 | 2008-04-23 | 布莱克和戴克公司 | Electric tool and assistant handle used for the same |
| US20110120741A1 (en) * | 2008-05-09 | 2011-05-26 | Kurt Limberg | Auxiliary handle for use with a power tool |
| EP2163357A1 (en) * | 2008-09-15 | 2010-03-17 | HILTI Aktiengesellschaft | Supplementary handle for a manual tool machine |
| US20130042730A1 (en) * | 2011-08-19 | 2013-02-21 | Paul W. Griffin | Auxiliary power tool handle |
| CN203245840U (en) * | 2013-05-24 | 2013-10-23 | 何朝红 | Secondary handle of hand-held tool |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641235A (en) * | 2019-10-16 | 2020-01-03 | 佛山市劲雄机械有限公司 | Locking device that takes off is pull to car |
| CN110641235B (en) * | 2019-10-16 | 2024-07-09 | 佛山市劲雄机械有限公司 | Anti-loosening locking device for automobile traction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103240715B (en) | 2015-01-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150114 Termination date: 20160524 |