CN103659636B - The special tonger of chain disassembly and assembly - Google Patents
The special tonger of chain disassembly and assembly Download PDFInfo
- Publication number
- CN103659636B CN103659636B CN201210348224.2A CN201210348224A CN103659636B CN 103659636 B CN103659636 B CN 103659636B CN 201210348224 A CN201210348224 A CN 201210348224A CN 103659636 B CN103659636 B CN 103659636B
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- CN
- China
- Prior art keywords
- clamping part
- chase
- horizontal
- vertical
- assembly
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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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/02—Jaws
Abstract
The special tonger of a kind of chain disassembly and assembly, comprise the first halfbody and second halfbody of mutual pivot joint, the first clamping part of the first halfbody is provided with horizontal first chase, and horizontal first chase is positioned at the medial surface of the first clamping part and the left and right side of through first clamping part; The width of the second clamping part medial surface of the second halfbody is greater than the width of the first clamping part medial surface, second clamping part is provided with horizontal second chase and two and prevents from interfering recess, horizontal second chase is positioned at the medial surface of the second clamping part and the left and right side of through second clamping part, prevents from interfering recess to be located at the left and right side of the second clamping part respectively.Prevent from interfering recess owing to being provided with, so the present invention is when disassembly and assembly spacer, tonger can be avoided to collide contiguous latch and avoid interfering, and making disassembly and assembly operation very quick and convenient.
Description
Technical field
The present invention relates to a kind of hand-held tool dismantling bicycle parts, the special tonger of especially a kind of chain disassembly and assembly.
Background technology
The bicycle chain 40 of currently available technology, as shown in Fig. 8 to Figure 10, is provided with outside plate 41 and inner panel 42.Outside plate 41 is provided with a pair outer plate body 411, and each outer plate body 411 is provided with through hole 412, and inner panel 42 is provided with a pair inner plate body 421, and each inner plate body 421 is provided with through hole 422.
Between inner panel 42 and outside plate 41, be provided with a pair axle bush 43, each axle bush 43 is coated sheathed rotationally by a rotor 44, run through in corresponding through hole 412,422 and be provided with one by the sheathed latch 45 of corresponding axle bush 43, one end of latch 45 evagination is provided with the embedding ditch 451 of a ring-type.
And being provided with slightly c-shaped spacer 46, spacer 46 is provided with cover separably and is embedded in two recesses 461 of two embedding ditches 45.
The tonger that chain disassembly and assembly need be used special when outside plate 41 and inner panel 42 being separated.The clamping part of tonger is connected to one end of spacer 46 and one end of latch 45, after user forces in tonger, spacer 46 cover is embedded in latch 45 or is removed from latch 45 by spacer 46.
But, as shown in Figure 9, wherein a clamping part is connected to the position that the position of spacer 46 and another clamping part are connected to latch 45, the section of being formed difference L between its 2, and make tonger need slightly inclined could be connected to spacer 46 and latch 45 simultaneously, unnecessary angular force component can be produced when therefore exerting a force, be not easy to allow spacer 46 move horizontally.
In addition, the outer peripheral face of the end of spacer 46 and the end of latch 45 is arcuation and often can adheres to lubricating oil, and therefore clamping part not easily clamps and easily slippage.
In order to solve the problem of prior art tonger, the present inventor has invented the special tonger of chain disassembly and assembly, please refer to the tonger (hereinafter referred to as with reference to case) of Japanese new design patent No. 1426708 Patent Case.This reference case is provided with recessed bar portion, and recessed bar portion firmly can be connected to the end of spacer and the end of latch, and easily clamps and not easily slippage.Further, wherein the width of a clamping part medial surface is greater than the width of another clamping part medial surface, so firmly can abut the end points of spacer and latch when clamping simultaneously, the section of avoiding difference produces unnecessary component, and user easily exerts a force and spacer is moved.
But although this reference case can solve foregoing problems effectively, this reference case is when clamping, and the outside of clamping part easily collides contiguous latch and produces interference, needs to improve further.
Summary of the invention
The outside that the object of the invention is to the clamping part solving tonger easily collides contiguous latch and produces the problem of interference, the object of the present invention is to provide the special tonger of a kind of chain disassembly and assembly, its left and right side in wider clamping part is provided with and prevents from interfering recess, so the present invention is when disassembly and assembly spacer, tonger can be avoided to collide contiguous latch and avoid interfering, and making disassembly and assembly operation very quick and convenient.
For this reason, the invention provides the special tonger of a kind of chain disassembly and assembly, comprising:
One first halfbody, it is in erecting strip and being from top to bottom sequentially provided with one first clamping part, a pivoting part and a shank part; This first clamping part is provided with horizontal first chase and vertical first chase, this horizontal first chase is positioned at the medial surface of this first clamping part and the left surface of this first clamping part through and right flank, this vertical first chase and this horizontal first chase cross arrangement are crosswise, and the top edge of this vertical first chase this first clamping part through; And
One second halfbody, it is in erecting strip and being from top to bottom sequentially provided with one second clamping part, a pivoting part and a shank part, the pivoting part of this second halfbody and the pivoting part pivot joint of this first halfbody, the width of this second clamping part medial surface is greater than the width of this first clamping part medial surface, when the top edge of this second clamping part is resisted against the top edge of this first clamping part, the top edge of this second clamping part is standing shape higher than the top edge of this first clamping part, this second clamping part is provided with horizontal second chase, one vertical second chase and two prevents from interfering recess, this horizontal second chase is positioned at the medial surface of this second clamping part and the left surface of this second clamping part through and right flank, this vertical second chase and this horizontal second chase cross arrangement are crosswise, and the top edge of this vertical second chase this second clamping part through, prevent from described in two interfering recess to be located at left surface and the right flank of this second clamping part respectively.
The described special tonger of chain disassembly and assembly, the medial surface of this second clamping part and the left surface of the second clamping part and the junction of right flank are formed with both sides of the edge respectively, prevent from interfering between recess and corresponding described lateral edges forming a spacing described in each.
The described special tonger of chain disassembly and assembly, the cross sectional shape of this horizontal first chase is V-shaped, and the cross sectional shape of this horizontal second chase takes the shape of the letter U.
The described special tonger of chain disassembly and assembly, the cross sectional shape of this vertical first chase and this horizontal first chase is all V-shaped, and the cross sectional shape of this vertical second chase and this horizontal second chase all takes the shape of the letter U.
The special tonger of chain disassembly and assembly provided by the present invention, the concrete benefit that can obtain and effect enhancement at least comprise:
1. avoid interfering: prevent from interfering recess owing to being provided with, so the present invention is when disassembly and assembly spacer, tonger can be avoided to collide contiguous latch and avoid interfering, and making disassembly and assembly operation very quick and convenient.
2. be easy to clamping: because the first clamping part and the second clamping part are respectively equipped with the first chase and the second chase, first chase and the second chase firmly can be connected to the end of spacer and the end of latch, and tonger of the present invention is easily clamped and not easily slippage.
3. easily force makes spacer move: the width due to the second clamping part medial surface is greater than the width of the first clamping part medial surface, so firmly can abut the end points of spacer and latch when clamping simultaneously, the section of avoiding difference produces unnecessary component, and user easily exerts a force and spacer is moved.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the present invention and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the stereo appearance figure of present pre-ferred embodiments.
Fig. 2 is the stereo appearance figure of present pre-ferred embodiments second clamping part.
Fig. 3 is the right side view of present pre-ferred embodiments first clamping part and the second clamping part.
Fig. 4 is the sectional perspective outside drawing that a present pre-ferred embodiments left side is looked.
Fig. 5 is the continuous action profile () of present pre-ferred embodiments installing spacer.
Fig. 6 is the continuous action profile (two) of present pre-ferred embodiments dismounting spacer.
Fig. 7 is the use schematic diagram that present pre-ferred embodiments uses vertical first chase and vertical second chase holding nest.
Fig. 8 is the three-dimensional partial exploded view of prior art bicycle chain.
Fig. 9 is the transverse cross-sectional view of prior art bicycle chain.
The spacer of Figure 10 prior art bicycle chain dismantled by tonger after transverse cross-sectional view.
Main element label declaration:
10 first halfbody 11 first clamping parts
111 medial surface 112 left surfaces
113 right flank 114 top edge
115 vertical horizontal first chases of first chase 116
117 lateral surface 118 end faces
12 pivoting part 13 shank parts
20 second halfbody 21 second clamping parts
211 medial surface 212 left surfaces
213 right flank 214 top edge
215 vertical horizontal second chases of second chase 216
217 prevent from interfering recess 2171 bottom surface
218 lateral edges 219 lateral surfaces
22 pivoting part 23 shank parts
40 bicycle chain 41 outside plates
411 outer plate body 412 through holes
42 inner panel 421 inner plate bodies
422 through hole 43 axle bushes
44 rotor 45 latches
451 embedding ditch 46 spacers
461 recess A, B width
G spacing L section is poor
M distance
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and the specific embodiment of the present invention is described.
The preferred embodiment of the special tonger of a kind of chain disassembly and assembly provided by the present invention, as shown in Figure 1, comprising: the elements such as one first halfbody 10 and one second halfbody 20, wherein:
As shown in Fig. 1, Fig. 3 and Fig. 4, this first halfbody 10 is in erecting strip and being from top to bottom sequentially provided with one first clamping part 11, pivoting part 12 and a shank part 13; This first clamping part 11 is provided with medial surface 111, left surface 112, right flank 113, top edge 114 and two first chases;
This two first chase is positioned at the medial surface 111 of this first clamping part 11 and is defined as vertical first chase 115 and horizontal first chase 116 respectively; The bearing of trend of this vertical first chase 115 is identical with the bearing of trend of this first halfbody 10, the top edge 114 of this vertical first chase 115 this first clamping part 11 through; This horizontal first chase 116 is mutually arranged vertically and in crosswise with this vertical first chase 115, the left surface 112 of this horizontal first chase 116 this first clamping part 11 through and right flank 113.
Preferably, the cross sectional shape of this vertical first chase 115 and this horizontal first chase 116 is all V-shaped.
The opposing medial surface 111 in this first clamping part 11 of lateral surface 117 of this first clamping part 11 is also in skewed.
Preferably, this first clamping part 11 is provided with a skewed end face 118.
As shown in Figure 1 to Figure 3, this second halfbody 20 is in erecting strip and being from top to bottom sequentially provided with one second clamping part 21, pivoting part 22 and a shank part 23; The pivoting part 22 of this second halfbody 20 and pivoting part 12 pivot joint of this first halfbody 10; This second clamping part 21 is provided with medial surface 211, left surface 212, right flank 213, top edge 214 and two second chases;
As shown in Figure 5, the width A of this second clamping part 21 medial surface 211 is greater than the width B of this first clamping part 11 medial surface 111;
This two second chase is positioned at the medial surface 211 of this second clamping part 21 and is defined as vertical second chase 215 and horizontal second chase 216 respectively; The bearing of trend of this vertical second chase 215 is identical with the bearing of trend of this second halfbody 20, the top edge 214 of this vertical second chase 215 this second clamping part 21 through; This horizontal second chase 216 is mutually arranged vertically and in crosswise with this vertical second chase 215, the left surface 212 of this horizontal second chase 216 this second clamping part 21 through and right flank 213.
Preferably, the cross sectional shape of this vertical second chase 215 and this horizontal second chase 216 all takes the shape of the letter U.
This second clamping part 21 is provided with two and prevents from interfering recess 217, and this two prevents from interfering recess 217 to be located at left surface 212 and the right flank 213 of this second clamping part 21 respectively.This two prevents from the cutter of interfering recess 217 to utilize to have a swinging cutting edge from being cut by this second clamping part 21 metal forming, therefore, respectively prevent from interfering recess 217 to be formed with internal face and a bottom surface 2171 of an arc-shaped, and be M by the distance definition between the bottom surface 2171 of this two interference recess 217, as shown in Figure 5.
Preferably, the medial surface 211 of this second clamping part 21 and the left surface 212 of the second clamping part 21 and the junction of right flank 213 are formed with dual side-edge edge 218 respectively, respectively prevent from interfering between recess 217 and corresponding lateral edges 218 forming a spacing G.
Preferably, the end face 118 of this first clamping part 11 is skewed, so when the top edge 214 of this second clamping part 21 is resisted against the top edge 114 of this first clamping part 11, the top edge 214 of this second clamping part 21 is standing shape higher than the top edge 114 of this first clamping part 11.
Preferably, the top of the lateral surface 219 of this second clamping part 21 is skewed.
Occupation mode of the present invention is roughly identical with the tonger of Japanese new design patent No. 1426708 Patent Case.But shown in from Fig. 5 to Fig. 6, can be clear that, because the present invention is when dismantling or assemble spacer 46, prevents from interfering recess 217 tonger all can be avoided to collide contiguous latch 45 and avoid interfering, and making disassembly and assembly operation very quick and convenient.
In addition, as shown in Figure 7, when operating space is too narrow, horizontal first chase 116 and horizontal second chase 216 can not be used, but use vertical first chase 115 and vertical second chase 215 to carry out dismounting spacer 46.And, because the top edge 214 of the second clamping part 21 is higher than the top edge 114 of the first clamping part 11, so the section of being formed difference between the top edge 214 of the second clamping part 21 and the top edge 114 of the first clamping part 11, so also firmly can abut the end points of spacer 46 and latch 45 when clamping simultaneously.
Further, because the lateral surface 117 of the first clamping part 11 and the lateral surface 219 of the second clamping part 21 are in skewed, no matter so be use horizontal first chase 116 and horizontal second chase 216, or when using vertical first chase 115 and vertical second chase 215 to clamp, skewed lateral surface 117,219 all can be avoided mutually interfering with contiguous latch 45.
The foregoing is only the schematic detailed description of the invention of the present invention, and be not used to limit scope of the present invention.Any those skilled in the art, the equivalent variations done under the prerequisite not departing from design of the present invention and principle and amendment, all should belong to the scope of protection of the invention.
Claims (4)
1. the special tonger of chain disassembly and assembly, is characterized in that, the special tonger of these chain disassembly and assembly comprises:
One first halfbody, it is in erecting strip and being from top to bottom sequentially provided with one first clamping part, a pivoting part and a shank part; This first clamping part is provided with horizontal first chase and vertical first chase, this horizontal first chase is positioned at the medial surface of this first clamping part and the left surface of this first clamping part through and right flank, this vertical first chase and this horizontal first chase cross arrangement are crosswise, and the top edge of this vertical first chase this first clamping part through; And
One second halfbody, it is in erecting strip and being from top to bottom sequentially provided with one second clamping part, a pivoting part and a shank part, the pivoting part of this second halfbody and the pivoting part pivot joint of this first halfbody, the width of this second clamping part medial surface is greater than the width of this first clamping part medial surface, when the top edge of this second clamping part is resisted against the top edge of this first clamping part, the top edge of this second clamping part is standing shape higher than the top edge of this first clamping part, this second clamping part is provided with horizontal second chase, one vertical second chase and two prevents from interfering recess, this horizontal second chase is positioned at the medial surface of this second clamping part and the left surface of this second clamping part through and right flank, this vertical second chase and this horizontal second chase cross arrangement are crosswise, and the top edge of this vertical second chase this second clamping part through, prevent from described in two interfering recess to be located at left surface and the right flank of this second clamping part respectively.
2. the special tonger of chain disassembly and assembly as claimed in claim 1, it is characterized in that, the medial surface of this second clamping part and the left surface of the second clamping part and the junction of right flank are formed with both sides of the edge respectively, prevent from interfering between recess and corresponding described lateral edges forming a spacing described in each.
3. the special tonger of chain disassembly and assembly as claimed in claim 1 or 2, it is characterized in that, the cross sectional shape of this horizontal first chase is V-shaped, and the cross sectional shape of this horizontal second chase takes the shape of the letter U.
4. the special tonger of chain disassembly and assembly as claimed in claim 1 or 2, is characterized in that, the cross sectional shape of this vertical first chase and this horizontal first chase is all V-shaped, and the cross sectional shape of this vertical second chase and this horizontal second chase all takes the shape of the letter U.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348224.2A CN103659636B (en) | 2012-09-18 | 2012-09-18 | The special tonger of chain disassembly and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348224.2A CN103659636B (en) | 2012-09-18 | 2012-09-18 | The special tonger of chain disassembly and assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659636A CN103659636A (en) | 2014-03-26 |
| CN103659636B true CN103659636B (en) | 2015-12-02 |
Family
ID=50299055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210348224.2A Active CN103659636B (en) | 2012-09-18 | 2012-09-18 | The special tonger of chain disassembly and assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103659636B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212186A1 (en) * | 1992-04-10 | 1993-10-14 | Bosch Siemens Hausgeraete | Specially designed pliers for locking or unlocking chain coupler - has one of its jaws set at right angles to its working surface from the pivot area |
| JP4256358B2 (en) * | 2005-03-23 | 2009-04-22 | ジヤトコ株式会社 | Chain clip removal tool |
| CN201300378Y (en) * | 2008-11-07 | 2009-09-02 | 王睿宇 | Multifunctional pliers |
| CN201471356U (en) * | 2009-07-03 | 2010-05-19 | 株式会社角田 | Tongs special for disassembly and assembly of chain |
| CN201483438U (en) * | 2009-07-03 | 2010-05-26 | 株式会社角田 | Special tongs for disassembling and assembling chains |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030172781A1 (en) * | 2002-03-18 | 2003-09-18 | Saunders Todd R. | Tool |
| US20080223184A1 (en) * | 2007-01-25 | 2008-09-18 | Mark Anthony Stevens | Locking pliers with offset jaws |
-
2012
- 2012-09-18 CN CN201210348224.2A patent/CN103659636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4212186A1 (en) * | 1992-04-10 | 1993-10-14 | Bosch Siemens Hausgeraete | Specially designed pliers for locking or unlocking chain coupler - has one of its jaws set at right angles to its working surface from the pivot area |
| JP4256358B2 (en) * | 2005-03-23 | 2009-04-22 | ジヤトコ株式会社 | Chain clip removal tool |
| CN201300378Y (en) * | 2008-11-07 | 2009-09-02 | 王睿宇 | Multifunctional pliers |
| CN201471356U (en) * | 2009-07-03 | 2010-05-19 | 株式会社角田 | Tongs special for disassembly and assembly of chain |
| CN201483438U (en) * | 2009-07-03 | 2010-05-26 | 株式会社角田 | Special tongs for disassembling and assembling chains |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103659636A (en) | 2014-03-26 |
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| C14 | Grant of patent or utility model | ||
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