CN101683729B - Three-way ratchet wrench - Google Patents
Three-way ratchet wrench Download PDFInfo
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- CN101683729B CN101683729B CN2008101677108A CN200810167710A CN101683729B CN 101683729 B CN101683729 B CN 101683729B CN 2008101677108 A CN2008101677108 A CN 2008101677108A CN 200810167710 A CN200810167710 A CN 200810167710A CN 101683729 B CN101683729 B CN 101683729B
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- clamping piece
- control piece
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Abstract
The invention provides a three-way ratchet wrench which comprises a body, a ratchet piece, two clamping pieces and a control piece, wherein one end of the body is provided with a drive part, the drive part is connected with a holding part and is provided with a first accommodation part, a second accommodation part and a third accommodation part; the ratchet piece is rotatably arranged in the first accommodation part of the body, teeth are circularly arranged on the side wall surface of the outer edge of the ratchet piece; the two clamping pieces are respectively arranged at two ends in the accommodation part of the body in a slip way, one side of each clamping piece opposite to the ratchet piece is provided with teeth, the first ends of the two clamping pieces facing to the ratchet piece are respectively provided with a guide part; the control piece is pivoted in the third accommodation part of the body, one end of the inner side of the control piece is provided with a direction control part, and the direction control part can selectively push the guide parts of the clamping pieces, wherein the depth of the third accommodation part does not exceed the center line of the second accommodation part to enable the first ends of the clamping pieces to largely support against the wall surface of the second accommodation part of the body, thereby improving the torque force born by the clamping pieces.
Description
Technical field
The present invention relates to a kind of ratchet spanner, relate in particular to a kind of three ratchet spanneres.
Background technology
With reference to prior art constructions figure shown in Figure 11, this ratchet spanner comprises assemblies such as a wrench body 1, a ratchet-gear wheel 2, two brake block 3, a knob base 4.The head 11 of these wrench body 1 one ends has a room 111, and this room 111 also is communicated with breaker slot 12 through head 11 sides, by chance can supply members such as ratchet-gear wheel 2, brake block 3 ccontaining, and make it be engagement structure attitude.This wrench body 1 in head 11 apical margins fit the place be drilled with one can supply knob base 4 ccontaining revolve a hole 13; This revolves a hole 13 and by chance is connected with the right place of the stage casing edge of breaker slot 12; Make the top-holding part 42 of this knob base 4 can contact one of which brake block 3, and convertible ratchet-gear wheel 2 mesh the direction of braking with brake block 3.
Right this hole depth of revolving a hole 13 is about 3/4 of wrench body 1 thickness, and this hole depth is dark excessively revolves the structural strength that a hole 13 has significantly weakened head 11.When ratchet spanner turns spiral shell spare; Whole being suspended on of the front end of this brake block 3 revolved in the hole 13; The front end of this brake block 3 not rigidity is contacted with wrench body 1, makes the front end of this brake block 3 can't the torsion that born be passed to wrench body 1, thereby seriously influences the torque value that this brake block 3 can bear; Reduce the operating characteristics of this ratchet spanner, do not met professional person's user demand.
Summary of the invention
The problem that institute of the present invention desire solves is that the hole depth of revolving a hole of ratchet spanner of the prior art is about 3/4 of wrench body thickness; This deep hole that revolves a hole has weakened the structural strength of head; And whole being suspended on of the front end that makes this brake block revolved in the hole; And can't the torsion that born be passed to wrench body, thereby seriously influence the torque value that this brake block can bear.
In order to address the above problem, the invention provides a kind of three-way ratchet spanner, comprising:
One body; One end of this body is provided with a drive division; This drive division is connected with a grip part, and this drive division is provided with one first holding part, tangent second holding part and the 3rd tangent holding part of one and second holding part of one and first holding part, and this second holding part is provided with at least one opening;
One spine move part, this spine move part is rotating to be located in first holding part of body, and the side wall surface of this spine move part outer rim is equipped with tooth;
Two clamping pieces; This two clamping piece is respectively in second holding part of being located at body of slip; This two clamping piece is provided with tooth with respect to a side of spine move part, and this two clamping piece is respectively equipped with a guidance part towards first end of spine move part, and second end of this clamping piece receives an elastomer butted respectively;
At least one fixture, this fixture is fastened in the opening of this second holding part, so that this second holding part is sealed;
One control piece, this control piece are hubbed in the 3rd holding part of body, and the inboard end of this control piece is provided with a control to portion, and this control is to portion's guidance part of pushing tow clamping piece optionally, make the tooth of clamping piece be located away from the tooth of spine move part;
The degree of depth of the 3rd holding part is not crossed the center line of this second holding part, makes first end of clamping piece can large-area rigidity be resisted against the wall of second holding part of body, has improved the torque value that clamping piece can bear.
The central authorities of the 3rd holding part of said body are provided with a fixing hole, and the central authorities of control piece are provided with a hole, and hole and screw lock that a gim peg is penetrated control piece make this control piece be incorporated into body in fixing hole, and with second and third holding part sealing of body.
The 3rd holding part of said body is provided with a locating hole; This locating hole supplies a location device ccontaining; The inboard other end of this control piece is provided with three adjacent location and caves in, and it is interior so that control piece is located that this positioner can snap in this location depression, and positioner comprises an elastomer and a holding firmware.
Said control piece can move between three operating positions at least, and when this control piece was positioned at the centre position, the control of this control piece was to portion's two guidance parts of this two clamping piece of pushing tow not, and the tooth of this two clamping piece is engaged in the tooth of spine move part respectively.
Said opening is located at an end of second holding part.
The end in addition of said second holding part is provided with an opening, can a fixture be fastened in this second holding part opening of end in addition, so that this second holding part is sealed.
The general ovalize of said second holding part hole, the general ovalize post of this two clamping piece.
Second end of said two clamping pieces is provided with a limiting section, and this two elastomer is located at respectively in this two limiting section.
The central authorities of said spine move part are provided with one and turn portion, and this portion of turning can supply fastener ccontaining.
Said spine move part be provided with one can supply sleeve to combine the portion that turns, this turns and is provided with a clamping device in the portion, and can sleeve be fastened in the portion of turning.
The invention has the beneficial effects as follows provides a kind of three-way ratchet spanner; The degree of depth of its 3rd holding part is not crossed the center line of this second holding part; Make first end of clamping piece can large-area rigidity be resisted against the wall of second holding part of body, improved the torque value that clamping piece can bear.
Description of drawings
Fig. 1 is the three-dimensional combination figure of the three-way ratchet spanner in the embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of the three-way ratchet spanner in the embodiment of the invention.
Fig. 3 is the upward view of the control piece of the three-way ratchet spanner in the embodiment of the invention.
The cutaway view of Fig. 4 for being got along the 4-4 hatching of Fig. 1.
The cutaway view of Fig. 5 for being got along the 5-5 hatching of Fig. 4, the table control piece is positioned at second operating position.
Fig. 6 is the continuity of Fig. 5, and the table control piece is positioned at the 3rd operating position.
Fig. 7 is the continuity of Fig. 5, and the table control piece is positioned at first operating position.
Fig. 8 is the cutaway view of the three-way ratchet spanner of second embodiment of the invention.
Fig. 9 is the longitudinal sectional view of the three-way ratchet spanner of third embodiment of the invention.
Figure 10 is the longitudinal sectional view of the three-way ratchet spanner of four embodiment of the invention.
The action sketch map that Figure 11 analyses and observe for the front of structure in the prior art.
The specific embodiment
With reference to figure 1 and Fig. 2, the present invention provides a kind of three-way ratchet spanner, and again among first embodiment, it comprises a body 10, a spine move part 20, two clamping pieces 30 and a control piece 40.
One end of this body 10 is provided with a drive division 11, and this drive division 11 is connected with the grip part 12 that is available for users to grip.The drive division 11 of this body 10 is provided with one first holding part 13, one second holding part 14 and one the 3rd holding part 15, and this second holding part 14 is positioned at 15 of first holding part 13 and the 3rd holding parts, and tangent with first and third holding part 13,15 respectively.One end ring of these first holding part, 13 inner edge walls is provided with a groove 131; This second holding part 14 is a cross-drilled hole; And run through by at least one side of drive division 11 and be formed with an opening 141 in an end of second holding part 14, the blind end of this second holding part 14 is provided with a hole 142.The 3rd holding part 15 is open by the outer rim of drive division 11 1 ends, and the degree of depth of the 3rd holding part 15 is not crossed the center line of this second holding part 14.The 3rd holding part 15 is provided with a fixing hole 151 and a locating hole 152, and this locating hole 152 supplies a location device 16 ccontaining, and this positioner 16 comprises an elastomer 161 and a holding firmware 162.The 3rd holding part 15 and 13 of first holding parts are formed with the connecting portion 17 of a non-hollow.
This spine move part 20 is rotating to be located in first holding part 13 of body 10, and the central authorities of this spine move part 20 are provided with one and turn portion 21, and the side wall surface of these spine move part 20 outer rims is equipped with continuous a plurality of teeth 22, and an end ring of these spine move part 20 outer rims is provided with a groove 23.Simultaneously with reference to Fig. 4, the groove 23 of a C shape clasp 24 being located at spine move part 20 and 131 of the grooves of body 10 are incorporated in first holding part 13 of body 10 this spine move part 20, and can with the relative rotation relation of body 10 generations.
In second holding part 14 of being located at body 10 of slip, each clamping piece 30 is provided with a plurality of teeth 31 with respect to tooth 22 with respect to a side of spine move part 20 to this two clamping piece 30 respectively.Each clamping piece 30 is provided with a guidance part 32 towards first end of spine move part 20; Second end of each clamping piece 30 is provided with a limiting section 33; Simultaneously with reference to figure 5, can with one have a hole 351 fixture 35 be fastened in the opening 141 of this second holding part 14, with these second holding part, 14 sealings.Two elastomers 34 are located at two ends of this second holding part 14 respectively, and elasticity pushing tow is in the limiting section 33 of these two clamping pieces, 30 second ends respectively to make it, and the end in addition of this two elastomer 34 is located at respectively in the hole 142 of hole 351 and second holding part 14 of fixture 35.In first embodiment, these second holding part, 14 general ovalize holes, these two clamping pieces, 30 general ovalize posts.
This control piece 40 is hubbed in the 3rd holding part 15 of body 10; The central authorities of this control piece 40 are provided with a hole 41; Simultaneously with reference to figure three; The central authorities of these control piece 40 inboard ends convex with a control to portion 42, and these control piece 40 inboard other ends are provided with adjacent one first location depression, 43,1 second location depression, 44 and 1 the 3rd location depression 45.This control piece 40 is provided with one group of handle 46 away from control to an end of portion 42.Hole 41 and screw lock that one gim peg 47 is penetrated control piece 40 make this control piece 40 be incorporated into body 10 in the fixing hole 151 of body 10, and with second and third holding part 14,15 sealings of body 10.
With reference to figure 4,, make the tangent degree of depth of the 3rd holding part 15 and second holding part 14 more shallow because the degree of depth of the 3rd holding part 15 is not crossed the center line of this second holding part 14.Therefore, first end of this two clamping piece 30 still can large-area rigidity be resisted against the diapire of second holding part 14 of body 10, and first end of this two clamping piece 30 is unlikely whole unsettled.When three-way ratchet spanner turns; Because of the large-area rigidity of first end of this clamping piece 30 is resisted against body 10; Make first end of clamping piece 30 can the torsion that born be passed to body 10; Thereby significantly increased the torsion that clamping piece 30 can bear, improved the operating characteristics of three-way ratchet spanner, met professional person's user demand.
Fig. 5 shows that further this control piece 40 is positioned at second operating position (centre position), and the holding firmware 162 of this positioner 16 snaps in the second location depression 44 of control piece 40, and the control of this control piece 40 is positioned at the centre of second holding part 14 relatively to portion 42.The guidance part 32 of these two clamping pieces, 30 first ends does not all receive control to 42 pushing tows of portion, and the tooth 31 of this two clamping piece 30 is engaged in the tooth 22 of spine move part 20 respectively.At this moment, this spine move part 20 can't produce relative rotation relation with body 10, and this three-way ratchet spanner is promptly general as fixed spanner, can drive fastener with suitable, counterclockwise simultaneously.
With reference to figure 6, this control piece 40 receives to dial then is positioned at the 3rd operating position, and the holding firmware 162 of this positioner 16 snaps in the 3rd depression 45 of control piece 40.The control of this control piece 40 to portion 42 can pushing tow right side clamping pieces 30 guidance part 32, make the tooth 31 of right side clamping piece 30 be located away from the tooth 22 of spine move part 20.Because this left side clamping piece 30 is not by 40 pushing tows of control piece, the tooth 31 of this left side clamping piece 30 is engaged in the tooth 22 of spine move part 20, and at this moment, this ratchet spanner can turn fastener by counterclockwise.
With reference to figure 7, this control piece 40 receives to dial then is positioned at first operating position, and the holding firmware 162 of this positioner 16 snaps in first depression 43 of control piece 40.The control of this control piece 40 is to the guidance part 32 of portion's 42 meeting pushing tow left side clamping pieces 30, and the tooth 31 of clamping piece 30 is located away from the tooth 22 of spine move part 20 on the left of making.Because this right side clamping piece 30 is not by 40 pushing tows of control piece, the tooth 31 of this right side clamping piece 30 is engaged in the tooth 22 of spine move part 20, and at this moment, this ratchet spanner can turn fastener clockwise.This control piece 40 can move between three operating positions at least.
Fig. 8 shows second embodiment of the present invention; Second embodiment and first embodiment are roughly the same; Its difference is that second holding part 14 of this body 10 runs through this drive division 11 2 sides; And form an opening 141 respectively in two ends of second holding part 14, can respectively two fixtures 35 be fastened in two openings 141 of this second holding part 14, so that this second holding part 14 is sealed.
Fig. 9 shows the 3rd embodiment of the present invention; The 3rd embodiment and first embodiment are roughly the same; Its difference is the change on this spine move part 20 ' kenel; The side wall surface of this spine move part 20 ' outer rim is equipped with a tooth 22 ' and a groove 23 '; The in addition end of this spine move part 20 ' be provided with one can supply the sleeve (not shown) to combine the portion 21 ' that turns, be provided with one in this spine move part 20 ' and take off clamping device 25 ' soon, this takes off soon, and clamping device 25 ' optionally limits sleeve and the relative displacement that turns between portion 21 ' concerns.131 of the grooves of the groove 23 ' of this spine move part 20 ' and body 10 are provided with a C shape clasp 24 ' and make in rotating first holding part 13 that is incorporated into body 10 of this spine move part 20 '.This turns portion 21 ' and is embodied as square toes in the 3rd embodiment.
Figure 10 shows the 4th embodiment of the present invention; The 4th embodiment and first embodiment are roughly the same; Its difference is this spine move part 20 " change on the kenel, this spine move part 20 " side wall surface of outer rim is equipped with tooth 22 " and a groove 23 ", this spine move part 20 " end in addition be provided with one can supply the sleeve (not shown) to combine the portion that turns 21 "; This turns portion 21 " in be provided with a clamping device 25 ", this clamping device 25 " in order to will be incorporated into the portion of turning 21 " on sleeve fix the location.This spine move part 20 " groove 23 " and 131 of the grooves of body 10 be provided with a C shape clasp 24 ", make this spine move part 20 " in rotating first holding part 13 that is incorporated into body 10.This turns portion 21 in the 4th embodiment " be embodied as square toes.
The above is merely preferred embodiment of the present invention, and all those of ordinary skill in the art modify or variation in the equivalence of being done according to the present invention's spirit, all should be covered by in the following claim scope.
Claims (9)
1. a three-way ratchet spanner is characterized in that, comprising:
One body; One end of this body is provided with a drive division; This drive division is connected with a grip part, and this drive division is provided with one first holding part, tangent second holding part and the 3rd tangent holding part of one and second holding part of one and first holding part, and this second holding part is provided with at least one opening;
One spine move part, this spine move part is rotating to be located in first holding part of body, and the side wall surface of this spine move part outer rim is equipped with tooth;
Two clamping pieces; This two clamping piece is respectively in second holding part of being located at body of slip; This two clamping piece is provided with tooth with respect to a side of spine move part, and this two clamping piece is respectively equipped with a guidance part towards first end of spine move part, and second end of this clamping piece receives an elastomer butted respectively;
At least one fixture, this fixture is fastened in the opening of this second holding part, so that this second holding part is sealed;
One control piece, this control piece are hubbed in the 3rd holding part of body, and the inboard end of this control piece is provided with a control to portion; This control is to portion's guidance part of pushing tow clamping piece optionally; Make the tooth of clamping piece be located away from the tooth of spine move part, said control piece can move between three operating positions at least, when this control piece is positioned at the centre position; The control of this control piece is to portion's two guidance parts of this two clamping piece of pushing tow not, and the tooth of this two clamping piece is engaged in the tooth of spine move part respectively;
The degree of depth of the 3rd holding part is not crossed the center line of this second holding part, makes first end of clamping piece can large-area rigidity be resisted against the wall of second holding part of body, has improved the torque value that clamping piece can bear.
2. three-way ratchet spanner as claimed in claim 1; It is characterized in that; The central authorities of the 3rd holding part of said body are provided with a fixing hole, and the central authorities of this control piece are provided with a hole, and hole and screw lock that a gim peg is penetrated control piece are in fixing hole; Make this control piece be incorporated into body, and second and third holding part of body is sealed.
3. three-way ratchet spanner as claimed in claim 1; It is characterized in that; The 3rd holding part of said body is provided with a locating hole, and this locating hole supplies a location device ccontaining, and the inboard other end of this control piece is provided with three adjacent location and caves in; It is interior so that control piece is located that this positioner can snap in this location depression, and positioner comprises an elastomer and a holding firmware.
4. three-way ratchet spanner as claimed in claim 1 is characterized in that, said opening is located at an end of second holding part.
5. three-way ratchet spanner as claimed in claim 4 is characterized in that, the end in addition of said second holding part is provided with an opening, can a fixture be fastened in this second holding part opening of end in addition, so that this second holding part is sealed.
6. three-way ratchet spanner as claimed in claim 1 is characterized in that, the general ovalize of said second holding part hole, the general ovalize post of this two clamping piece.
7. three-way ratchet spanner as claimed in claim 1 is characterized in that, second end of said two clamping pieces is provided with a limiting section, and this two elastomer is located at respectively in this two limiting section.
8. three-way ratchet spanner as claimed in claim 1 is characterized in that the central authorities of said spine move part are provided with one and turn portion, and this portion of turning can supply fastener ccontaining.
9. three-way ratchet spanner as claimed in claim 1 is characterized in that, said spine move part be provided with one can supply sleeve to combine the portion that turns, this turns and is provided with a clamping device in the portion, and can sleeve be fastened in the portion of turning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101677108A CN101683729B (en) | 2008-09-28 | 2008-09-28 | Three-way ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101677108A CN101683729B (en) | 2008-09-28 | 2008-09-28 | Three-way ratchet wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101683729A CN101683729A (en) | 2010-03-31 |
| CN101683729B true CN101683729B (en) | 2012-03-14 |
Family
ID=42047217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101677108A Expired - Fee Related CN101683729B (en) | 2008-09-28 | 2008-09-28 | Three-way ratchet wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101683729B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104354131B (en) * | 2014-10-27 | 2016-04-27 | 绍兴环洲工具制造有限公司 | Third gear positioning ratchet wheel instrument |
| CN109746852B (en) * | 2017-11-07 | 2021-01-12 | 陈怡富 | Spanner structure |
| CN109244701A (en) * | 2018-10-31 | 2019-01-18 | 广东电网有限责任公司 | A kind of ground line work-saving device |
| CN109411908A (en) * | 2018-10-31 | 2019-03-01 | 广东电网有限责任公司 | A kind of ground line work-saving device of being disconnected |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280531A (en) * | 1997-10-08 | 2001-01-17 | 乔达企业有限公司 | Ratchet wrench |
| CN1270873C (en) * | 2003-06-05 | 2006-08-23 | 陈泰佐 | Reversing ratchet wrench |
| CN1981997A (en) * | 2005-12-16 | 2007-06-20 | 胡厚飞 | Ratchet spanner |
-
2008
- 2008-09-28 CN CN2008101677108A patent/CN101683729B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280531A (en) * | 1997-10-08 | 2001-01-17 | 乔达企业有限公司 | Ratchet wrench |
| CN1270873C (en) * | 2003-06-05 | 2006-08-23 | 陈泰佐 | Reversing ratchet wrench |
| CN1981997A (en) * | 2005-12-16 | 2007-06-20 | 胡厚飞 | Ratchet spanner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101683729A (en) | 2010-03-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20160928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |