CN105382751A - Single-claw type spanner - Google Patents
Single-claw type spanner Download PDFInfo
- Publication number
- CN105382751A CN105382751A CN201510878482.5A CN201510878482A CN105382751A CN 105382751 A CN105382751 A CN 105382751A CN 201510878482 A CN201510878482 A CN 201510878482A CN 105382751 A CN105382751 A CN 105382751A
- Authority
- CN
- China
- Prior art keywords
- screw
- resilient clamp
- clamp bodies
- wrenching bar
- supporting rod
- 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.)
- Granted
Links
Classifications
-
- 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
- B25B15/00—Screwdrivers
- B25B15/02—Screwdrivers operated by rotating the handle
-
- 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
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/08—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
- B25B23/10—Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using mechanical gripping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention relates to a single-claw type spanner. The single-claw type spanner comprises a spanner bar and a spanner head arranged at the front end of the spanner bar. The spanner bar is provided with an elastic clamping body of which the head end is connected with the spanner bar and the tail end elastically overhangs forwards. The elastic clamping body is used for exerting radial elastic acting force on the head portion of a screw to clamp and fix the screw. The problem that sliding rings are needed to change the distance between two clamping pieces to clamp or loosen the screw due to the fact that the clamping pieces are non-elastic, and therefore the structure is complex in the prior art is solved. The single-claw type spanner is simple in structure and convenient to use.
Description
Technical field
The invention belongs to the assembly tool technical field of Automatic manual transmission, be specifically related to a kind of monodactyle formula spanner.
Background technology
Usual spanner is in trip bolt process, often need to buttress on the other hand screw or screw first screws in a part of by needs, screw with spanner again, but in the narrower space that some are long and narrow, hand can not be stretched, this spanner uses inconvenient, tweezers are needed to send in screwed hole by screw, or with adhesive, screw is bonded on spanner, one be bond not firm, two is that adhesive can pollute screw, also need to remove and pollute, some manufacturer production go out magnetic spanner and can hold screw and install with crossing magnetic, but during some high-precision products are produced, cause machine components to magnetize for avoiding product because of magnetic can not normally use, use without magnetization stainless steel hex screw so a large amount of, result in this carrying magnetic spanner cannot use.Occur in prior art that some arrange the spanner of the clamping device of clamp screws in the wrenching bar part of spanner, if application publication number is the Chinese invention patent of CN103737532A, disclose a kind of screwdriver clamping screw, comprise handle, swing arm and wrenching bar and cutter head and driving end, intermediate plate one and intermediate plate two is fixed with rivet in the middle part of swing arm and wrenching bar, the front end of intermediate plate one and intermediate plate two is elbow shapes, and all with circular arc recess on elbow, intermediate plate one and intermediate plate two rear end cover have sliding ring to be fixed in the middle part of swing arm, the position of moving sliding ring to handle can make two intermediate plates open certain angle, the position of moving sliding ring to cutter head can make two intermediate plate pinching screws.But two of this screwdriver intermediate plates do not have elasticity, therefore need sliding ring to change distance between intermediate plate one and intermediate plate two with clamping with unclamp screw, cause this screwdriver structure complicated.Simultaneously, if in a long and narrow narrower space, intermediate plate one and intermediate plate two can not open completely and cause screw fastening rear jaw cannot separate with screw, cause the problem that this screwdriver not easily takes out after trip bolt, also do not have when dismantling the effect clamped screw.
Summary of the invention
The object of the present invention is to provide a kind of monodactyle formula spanner, solve in prior art and need because intermediate plate does not have elasticity the distance arranging sliding ring to change between two intermediate plates to cause baroque problem to clamp or to unclamp screw.
The present invention adopts following technical scheme: a kind of monodactyle formula spanner, comprise wrenching bar and be arranged at the driving end of wrenching bar front end, described wrenching bar is provided with elasticity endwise that head end is connected with wrenching bar overhangs for applying radial elastic active force with the resilient clamp bodies gripped screw to screw head.
Described driving end there is the outer square structure suitable with the screw hole of screw or have suitable with screw head in square hole structure.
Described resilient clamp bodies coordinates to grip screw with driving end.
Described resilient clamp bodies is one.
The head end of described resilient clamp bodies is at least two circle helical structures be made up of elastic wire.
Described resilient clamp bodies have when by the aperture of screw hole along can the rollback structure of rollback during block.
Described resilient clamp bodies comprises the supporting rod of end and is integrally connected the connecting rod of supporting rod and head end, and connecting rod is tilted to overhang away from wrenching bar to front by rear, and supporting rod forms described rollback structure by rear extremely front close wrenching bar inclination overhanging.
The end of described supporting rod has the folding portion of an outside turnover, and folding portion has the pushing tow face coordinated with screw head pushing tow with spreading supporting rod.
The front end of described folding portion is concordant with driving end.
Beneficial effect of the present invention is: wrenching bar is provided with the resilient clamp bodies that elasticity endwise that head end is connected with wrenching bar overhangs, resilient clamp bodies is close to screw head and applies radial elastic active force to grip screw, solve in prior art and need to arrange sliding ring to change distance between two intermediate plates because intermediate plate does not have elasticity with clamping or unclamp screw thus cause baroque problem, the spanner structure of this structure is simple, easy to use.
Further, resilient clamp bodies has rollback structure, spanner will to be caused not easily to insert problem in the screw hole of screw head because of the aperture of screw hole when needing again trip bolt or unscrewing screw along the end of block resilient clamp bodies.
Further, the end of resilient clamp bodies has a folding portion outwards turned down, folding portion has the pushing tow face coordinated with screw head pushing tow with spreading supporting rod, not only can clamp screws when assembling, also can facilitating the clamping to screw when dismantling, avoiding accidentally screw being dropped when dismantling.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of monodactyle formula spanner of the present invention;
Fig. 2 is the operating diagram of monodactyle formula spanner.
Detailed description of the invention
A kind of monodactyle formula spanner, as shown in Figure 1-2, comprise wrenching bar 1 and the driving end 2 being arranged at wrenching bar 1 front end, in the present embodiment, driving end 2 is outer hexagonal structure, wrenching bar 1 is provided with elasticity endwise that head end is connected with wrenching bar 1 overhangs for applying radial elastic active force with the resilient clamp bodies 3 gripped screw 6 to screw 6 head, the present embodiment Elastic cramping body 3 is made up of elastic wire, the head end 4 of resilient clamp bodies 3 is for being wound in 4 circle helicoidal structures by elastic wire and being sheathedly fixed on wrenching bar 1, resilient clamp bodies 3 has when by the aperture of screw hole along can the rollback structure of rollback during block, resilient clamp bodies 3 also comprises the supporting rod 5 for clamp screws 6 of end and the connecting rod 7 being integrally connected supporting rod 5 and head end 4.Connecting rod 7 is tilted to overhang away from wrenching bar 1 to front by rear, and supporting rod 5 is tilted to overhang near wrenching bar 1 to front by rear simultaneously, forms the rollback structure of resilient clamp bodies 3 together.The end kidnapping dry 5 has the folding portion 8 of an outside turnover, and folding portion 8 has the pushing tow face coordinated with screw head pushing tow with spreading supporting rod 5, and the front end of folding portion 8 is concordant with driving end 2.
The course of work of a kind of monodactyle formula spanner of the present invention is: directly screw is put into spanner, driving end 2 is coordinated with the screw hole of screw 6 and installs, screw 6 grips by the elastic acting force that now supporting rod 5 relies on elastic deformation to produce together with driving end 2, fastening locking can be carried out to part, when dismantling, the pushing tow face of folding portion coordinates with spreading supporting rod thus clamp screws with screw head pushing tow, avoids accidentally being dropped by screw when dismantling.
In other embodiments of the invention, the shape of driving end can adjust according to actual needs, such as outer tetragonal, the shape of driving end also can suitable with screw head in square hole structure, as interior hexagonal hole structure; Resilient clamp bodies can not be elastic wire, also can be the elastic clip be fixed on wrenching bar; The number of turns of the elastic wire of the head end of resilient clamp bodies can adjust according to actual needs; The quantity of resilient clamp bodies also can be two or three and multiple, can adjust according to actual needs; Rollback structure also can be that the head end of resilient clamp bodies is made into extension spring shape structure, and when the aperture that supporting rod is subject to screw is along block, the head end of resilient clamp bodies axial deformation can drive supporting rod rollback; The end of resilient clamp bodies also can not arrange folding portion.
Claims (9)
1. a monodactyle formula spanner, comprise wrenching bar and be arranged at the driving end of wrenching bar front end, it is characterized in that: described wrenching bar is provided with elasticity endwise that head end is connected with wrenching bar overhangs for applying radial elastic active force with the resilient clamp bodies gripped screw to screw head.
2. a kind of monodactyle formula spanner according to claim 1, is characterized in that: described driving end there is the outer square structure suitable with the screw hole of screw or have suitable with screw head in square hole structure.
3. a kind of monodactyle formula spanner according to claim 2, is characterized in that: described resilient clamp bodies coordinates to grip screw with driving end.
4. a kind of monodactyle formula spanner according to claim 3, is characterized in that: described resilient clamp bodies is one.
5. a kind of monodactyle formula spanner according to claim 4, is characterized in that: the head end of described resilient clamp bodies is at least two circle helical structures be made up of elastic wire.
6. a kind of monodactyle formula spanner according to any one of claim 1-5, is characterized in that: described resilient clamp bodies have when by the aperture of screw hole along can the rollback structure of rollback during block.
7. a kind of monodactyle formula spanner according to claim 6, it is characterized in that: described resilient clamp bodies comprises the supporting rod of end and the connecting rod being integrally connected supporting rod and head end, connecting rod is tilted to overhang away from wrenching bar to front by rear, and supporting rod forms described rollback structure to front near wrenching bar inclination overhanging by rear.
8. a kind of monodactyle formula spanner according to claim 7, is characterized in that: the end of described supporting rod has the folding portion of an outside turnover, and folding portion has the pushing tow face coordinated with screw head pushing tow with spreading supporting rod.
9. a kind of monodactyle formula spanner according to claim 8, is characterized in that: the front end of described folding portion is concordant with driving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878482.5A CN105382751B (en) | 2015-12-04 | 2015-12-04 | A kind of monodactyle formula spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878482.5A CN105382751B (en) | 2015-12-04 | 2015-12-04 | A kind of monodactyle formula spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105382751A true CN105382751A (en) | 2016-03-09 |
| CN105382751B CN105382751B (en) | 2018-08-17 |
Family
ID=55415863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510878482.5A Active CN105382751B (en) | 2015-12-04 | 2015-12-04 | A kind of monodactyle formula spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105382751B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015498A (en) * | 2017-06-08 | 2018-12-18 | 昆山市苞蕾众创投资管理有限公司 | Screw entrainment device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1523022A (en) * | 1923-12-10 | 1925-01-13 | Gustav R Larson | Socket wrench |
| GB229489A (en) * | 1924-06-17 | 1925-02-26 | Fuller S United Electric Works | Improvements in and relating to box spanners or wrenches |
| US1620960A (en) * | 1926-05-06 | 1927-03-15 | Goetting Arthur | Nut-applying device |
| US2811883A (en) * | 1956-04-11 | 1957-11-05 | Cleaves Irving | Wrench having nut ejector and springlatched nut-retaining socket |
| US3245446A (en) * | 1962-09-23 | 1966-04-12 | Morifuji Haguruma Seisakusho K | Screw driver with a screw holding device |
| GB2019283B (en) * | 1978-04-19 | 1982-07-28 | Post M | Tool fastening cooperation to retain fastener |
| CN2829987Y (en) * | 2005-05-24 | 2006-10-25 | 麻国权 | Convenient screwdriver and screw dog catch thereof |
| CN201511331U (en) * | 2009-09-15 | 2010-06-23 | 浙江科技学院 | Screwdriver |
| CN202318142U (en) * | 2011-11-11 | 2012-07-11 | 南通弘峰机电有限公司 | Handguard screw driver |
-
2015
- 2015-12-04 CN CN201510878482.5A patent/CN105382751B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1523022A (en) * | 1923-12-10 | 1925-01-13 | Gustav R Larson | Socket wrench |
| GB229489A (en) * | 1924-06-17 | 1925-02-26 | Fuller S United Electric Works | Improvements in and relating to box spanners or wrenches |
| US1620960A (en) * | 1926-05-06 | 1927-03-15 | Goetting Arthur | Nut-applying device |
| US2811883A (en) * | 1956-04-11 | 1957-11-05 | Cleaves Irving | Wrench having nut ejector and springlatched nut-retaining socket |
| US3245446A (en) * | 1962-09-23 | 1966-04-12 | Morifuji Haguruma Seisakusho K | Screw driver with a screw holding device |
| GB2019283B (en) * | 1978-04-19 | 1982-07-28 | Post M | Tool fastening cooperation to retain fastener |
| CN2829987Y (en) * | 2005-05-24 | 2006-10-25 | 麻国权 | Convenient screwdriver and screw dog catch thereof |
| CN201511331U (en) * | 2009-09-15 | 2010-06-23 | 浙江科技学院 | Screwdriver |
| CN202318142U (en) * | 2011-11-11 | 2012-07-11 | 南通弘峰机电有限公司 | Handguard screw driver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015498A (en) * | 2017-06-08 | 2018-12-18 | 昆山市苞蕾众创投资管理有限公司 | Screw entrainment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105382751B (en) | 2018-08-17 |
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