CN201592413U - Quick exchange structure of screwdriver multiple function heads - Google Patents
Quick exchange structure of screwdriver multiple function heads Download PDFInfo
- Publication number
- CN201592413U CN201592413U CN2009202024522U CN200920202452U CN201592413U CN 201592413 U CN201592413 U CN 201592413U CN 2009202024522 U CN2009202024522 U CN 2009202024522U CN 200920202452 U CN200920202452 U CN 200920202452U CN 201592413 U CN201592413 U CN 201592413U
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- China
- Prior art keywords
- quick change
- steel wire
- knob
- elasticity steel
- torsion spring
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a quick exchange structure of screwdriver multiple function heads. The structure comprises an electric screwdriver gear box and a quick exchange support by which the front end of the gear box is connected with various function heads. An inner hole is axially arranged on the quick exchange support. Locating devices are arranged at the rear end of the inner hole of the quick exchange support and the front end of the gear box, and the quick exchange support is arranged and located at the front end of the gear box by matching the locating devices with each other. A quick exchange knob by which the locating devices are controlled to be separated from each other is arranged on the quick exchange support. The utility model adopting the technical scheme realizes the connection of multiple function heads with the screwdriver. The function heads can be quickly changed, and the function heads can be selected according to requirements when the screwdriver is used, so the work efficiency is improved. The quick exchange structure is simple in structure, and quick and convenient in operation.
Description
Technical field
The utility model relates to a kind of screwdriver, relates in particular to the quick switching construction that electric screw is criticized the types of functionality head.
Background technology
The direct current drive screwdriver is generally monolithic construction, and function ratio is more single, can not satisfy the demand of use, for this reason, will increase the types of functionality head at the screwdriver output.As application number is that 200810207628.3 Chinese invention patent discloses a kind of quick change and drapes over one's shoulders head screw and criticize, and it comprises overcoat, is columnar structured, and interior cover is nested in the overcoat and slides with overcoat and links to each other; Guide post, be arranged in overcoat and the interior cover and and link to each other with the tube end of overcoat, criticize bar, insert in the guide post and be fixedly linked with guide post, drape over one's shoulders a head guiding pole socket, in being inlaid between cover and the guide post, be fixedly linked with the rear end of interior cover, link to each other with the guide post slip, batch bar passes from draping over one's shoulders a head guiding pole socket, a plurality of screwdriver bit guide bars, respectively downlink connection the periphery of screwdriver bit guiding pole socket and with rotatable linking to each other of screwdriver bit guiding pole socket, the screwdriver bit storehouse, be fixedly linked screwdriver bit guide, the front end of cover and be communicated with in being connected in being inlaid in the cover and with the front end of interior cover with interior cover and screwdriver bit storehouse, a plurality of screwdriver bits are adsorbed on the front end of each screwdriver bit guide bar respectively and are inlaid in the screwdriver bit storehouse.Because it need be provided with corresponding screwdriver bit warehousing and put various screwdriver bits, causes complex structure, and it is cumbersome to switch screwdriver bit, the more important thing is its also inapplicable direct current drive screwdriver.So need a kind of novel quick change construction of design, can fast functional head be switched to electric screw and criticize, thereby increase work efficiency and do not lose separately function of use.
The utility model content
Technical problem to be solved in the utility model just provides a kind of multi-functional quick change construction that is used for screwdriver, simple in structure, easy to operate, can fast the types of functionality head be switched to electric screw and criticize, thereby increase work efficiency and do not lose separately function of use.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of multi-functional quick change construction that is used for screwdriver, it is characterized in that: comprise that electric screw criticizes gear-box, connects the front end of described gear-box and the quick change support of various functional heads, described quick change support axially has endoporus, described quick change support endoporus rear end and gear-box front end are provided with to cooperatively interact and make the quick change support that the positioner that is positioned the gear-box front end is installed, and described quick change support is provided with the quick change knob that the control positioner breaks away from mutually.
As preferably, described positioner comprises the elasticity steel wire be located on the quick change support and the stopper slot of the described elasticity steel wire of gear-box front end clamping.
As preferably, described elasticity steel wire is the opening ring-type, described elasticity steel wire is provided with the torsion spring section at an end of opening part, torsion spring section front end is the torsion spring torsion bar, described torsion spring section is socketed on the positioning boss of quick change back-end support outer wall, described elasticity steel wire is provided with at least one convex circular arc, and described convex circular arc sticks into quick change support endoporus and sticks in the described stopper slot when locating with the gear-box front end.The Elastic Steel ply-yarn drill is gone into behind the stopper slot functional head in axial location.The convex arc section of elasticity steel wire can effectively link together quick change support and gear-box stopper slot.
As preferably, described quick change knob sleeve is connected on the quick change support, described quick change knob ring inwall is provided with at least one along the axially extended columnar projections of quick change knob, be provided with the gap between described columnar projections upper end and quick change knob inwall, the arc section of described elasticity steel wire is connected in the described gap, also be provided with the little arc section of at least one internal diameter less than described arc section on the described elasticity steel wire, the described little arc section of the then described columnar projections outside apical grafting of described quick change knob rotation is enough to make described elasticity steel wire to strut and make convex circular arc separating tooth roller box front end.Described quick change revolve columnar projections in quick change knob rotary course, act on the roundlet segmental arc with the elasticity steel wire outward circular direction strut, make functional head and electric screw criticize disengaging.And the torsion spring of elasticity steel wire one end can make the quick change knob be reset to lock position fast at lockset position of coupler.
As preferably, also be provided with at least one on the described quick change knob inwall described elasticity steel wire is played the outstanding little position of bone of point action, described elasticity steel wire external diameter apical grafting is on the described little position of bone.
As preferably, described quick change knob inside bottom wall is provided with the quick change knob inclined-plane for the slip of torsion spring torsion bar of projection at described torsion spring torsion bar place, quick change knob diapire is provided with the quick change knob hole in lower end, quick change knob inclined-plane, and described torsion spring torsion bar passes described quick change knob hole and stretches to outside the diapire.
Further, the corresponding torsion spring torsion bar of described quick change support lateral wall is provided with the quick change support inclined-plane that slides for the torsion spring torsion bar.The quick change knob is when inhour is rotated, pulling torsion spring torsion bar opens, the torsion spring torsion bar slides on quick change knob inclined-plane, and quick change knob inclined-plane can spacing torsion spring torsion bar and the quick change knob throw off, the torsion spring torsion bar contacted with quick change support inclined-plane in the open while, when the torsion spring torsion bar slides on above-mentioned inclined-plane simultaneously outward circular direction move, the convex circular arc of corresponding whole torsion spring end and back thereof also outward circular direction move, increased functional head and electric screw and criticized when separating active force the elasticity steel wire.
As preferably, described convex circular arc and roundlet segmental arc are established two respectively, and convex circular arc and little arc section be provided with on the elasticity steel wire at interval, and corresponding described columnar projections is also established two.Can make the quick change knob when inhour is rotated, positioner is broken away from.
As preferably, described quick change support endoporus annular distance wall is provided with eight outstanding position of bone, and the gear-box front end is provided with eight muscle positions and is connected inserting with the described position of bone.Make functional head in radial location and functional head and electric screw are criticized have eight angle positions available when being connected.
The utility model has been owing to adopted technique scheme, realized being connected of multiple functional head and screwdriver, and can switch fast, when using screwdriver, can select needed functional head for use according to needs, thereby increase work efficiency, and this quick change construction is simple in structure, and is swift and convenient to operate.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Fig. 1 is the structural representation of gear-box front end;
Fig. 2 is the structural representation of elasticity steel wire;
Fig. 3 is the structural representation after elasticity steel wire and support are installed;
Fig. 4 is the structural representation after elasticity steel wire and quick change knob are installed;
Fig. 5 is the structural representation at quick change construction support endoporus place;
Fig. 6 is the quick change construction schematic perspective view;
Fig. 7 criticizes the schematic diagram of packing into quick change construction for electric screw;
Fig. 8 goes into the interior schematic diagram of gear-box stopper slot for the Elastic Steel ply-yarn drill;
Fig. 9 criticizes structural representation after installing with scissors quick change functional head for electric screw.
The specific embodiment
Extremely shown in Figure 8 as Fig. 1, the embodiment that is used for multi-functional quick change construction of screwdriver for the utility model is a kind of, comprise that electric screw criticizes gear-box 4, connects the front end of described gear-box and the quick change support 1 of various functional heads, described quick change support axially has endoporus, described quick change support endoporus rear end and gear-box front end are provided with to cooperatively interact and make the quick change support that the positioner that is positioned the gear-box front end is installed, and described quick change support is provided with the quick change knob 2 that the control positioner breaks away from mutually.Described positioner comprises the elasticity steel wire 3 be located on the quick change support and the stopper slot 4B of the described elasticity steel wire of gear-box front end clamping.Described elasticity steel wire is the opening ring-type, described elasticity steel wire is provided with torsion spring section 3B at an end of opening part, torsion spring section front end is torsion spring torsion bar 3D, described torsion spring section is socketed on the positioning boss 1A of quick change back-end support outer wall, described elasticity steel wire is provided with at least one convex circular arc 3A, and described convex circular arc sticks into quick change support endoporus and sticks in the described stopper slot 4B when locating with the gear-box front end.Described quick change knob 2 is socketed on the quick change support 1, described quick change knob ring inwall is provided with at least one along the axially extended columnar projections 2B of quick change knob, be provided with the gap between described columnar projections upper end and quick change knob inwall, the arc section 3E of described elasticity steel wire is connected in the described gap, also be provided with the roundlet segmental arc 3C of at least one internal diameter less than described arc section 3E on the described elasticity steel wire, the described little arc section of the then described columnar projections outside apical grafting of described quick change knob rotation is enough to make described elasticity steel wire to strut and make convex circular arc separating tooth roller box front end.
Also be provided with at least one on the described quick change knob inwall described elasticity steel wire is played the outstanding ossiculum position 2A of point action, described elasticity steel wire external diameter apical grafting is on the described little position of bone.Described quick change knob inside bottom wall is provided with the quick change knob inclined-plane 2C for the slip of torsion spring torsion bar of projection at described torsion spring torsion bar place, quick change knob diapire 2E is provided with quick change knob hole 2D in lower end, quick change knob inclined-plane, and described torsion spring torsion bar passes described quick change knob hole and stretches to outside the diapire.The corresponding torsion spring torsion bar of described quick change support lateral wall is provided with the quick change support inclined-plane 1B that slides for the torsion spring torsion bar.Described convex circular arc and roundlet segmental arc are established two respectively, and convex circular arc and the setting at interval on the elasticity steel wire of little arc section, and corresponding described columnar projections is also established two.Described quick change support endoporus annular distance wall is provided with eight outstanding position of bone 1D, and the gear-box front end is provided with eight muscle position 4A and the described position of bone and is connected inserting.
Described elasticity steel wire 3 assembles by accompanying drawing 3 modes earlier, and two convex circular arc 3A stick into internal stent, and the torsion spring section 3B endoporus of elasticity steel wire packs into quick change support positioning boss 1A and goes up the location simultaneously; Again quick change knob 2 is packed into quick change support 1 by accompanying drawing 4 modes.
Be operation principle of the present utility model below.
The action principle of 2 pairs of elasticity steel wires of quick change knob is: quick change knob ossiculum position 2A is to 3 point actions of elasticity steel wire, the columnar projections 2B of quick change knob is at the quick change knob) when counterclockwise rotating to certain angle arrival steel wire roundlet segmental arc 3C position, the elasticity steel wire is strutted, and quick change knob 2 drive torsion spring torsion bar 3D open and slide on quick change knob inclined-plane 2C simultaneously.
In the time of the quick change functional head need being loaded onto electric screw and criticizes, the muscle position 4A of gear-box front end can external force do with under overcome elasticity steel wire elastic force elasticity steel wire two convex circular arc 3A strutted outward, when elasticity steel wire convex circular arc 3A arrives gear-box stopper slot 4B position, the elasticity steel wire sticks into gear-box stopper slot 4B automatically under self screen resilience effect, finish functional head and criticize with electric screw and be connected.
Functional head and electric screw need be criticized when separating, when counterclockwise shearing quick change knob 2 will be flared to its diameter greater than gearhousing front end muscle position 4A diameter with convex circular arc 3A according to the action principle of 2 pairs of quick change steel wires of above-mentioned quick change knob, the elasticity steel wire separates with the gear-box stopper slot, and functional head can unload.
Torsion spring torsion bar 3D injects among the quick change knob hole 2D, knob is positioned at ' lock ' position, when quick change knob 2 rotates in inhour, pulling torsion spring torsion bar 3D opens, torsion spring torsion bar 3D on quick change knob inclined-plane 2D, slide (inclined-plane 2D can spacing torsion spring torsion bar 3D and quick change knob throw off), torsion spring torsion bar 3D contacted with quick change support inclined-plane 1B in the open while, when torsion bar slides on the inclined-plane simultaneously outward circular direction move, the convex circular arc 3A of corresponding whole torsion spring end and back thereof also will be outward circular direction move, increased functional head and electric screw and criticized when separating active force the quick change steel wire.
After switching was finished, quick change knob 2 automatically reset to latched position under torsion spring section 3B effect.
Multi-functional quick change construction of screwdriver of the present utility model can as shown in Figure 9, be equipped with the screwdriver of electric clippers 5 exactly with multiple functional head Fast Installation in the screwdriver front end.
Claims (9)
1. multi-functional quick change construction that is used for screwdriver, it is characterized in that: comprise that electric screw criticizes gear-box (4), connects the front end of described gear-box and quick change support (1), the described quick change support (1) of various functional heads axially has endoporus, described quick change support endoporus rear end and gear-box front end are provided with to cooperatively interact and make the quick change support that the positioner that is positioned the gear-box front end is installed, and described quick change support is provided with the quick change knob (2) that the control positioner breaks away from mutually.
2. multi-functional the quick change construction that is used for screwdriver according to claim 1 is characterized in that: described positioner comprises the elasticity steel wire (3) be located on the quick change support and the stopper slot (4B) of the described elasticity steel wire of gear-box front end clamping.
3. multi-functional the quick change construction that is used for screwdriver according to claim 2, it is characterized in that: described elasticity steel wire (3) is the opening ring-type, described elasticity steel wire is provided with torsion spring section (3B) at an end of opening part, torsion spring section front end is torsion spring torsion bar (3D), described torsion spring section is socketed on the positioning boss (1A) of quick change back-end support outer wall, described elasticity steel wire is provided with at least one convex circular arc (3A), and described convex circular arc sticks into quick change support endoporus and sticks in the described stopper slot (4B) when locating with the gear-box front end.
4. multi-functional the quick change construction that is used for screwdriver according to claim 3, it is characterized in that: described quick change knob (2) is socketed on the quick change support (1), described quick change knob ring inwall is provided with at least one along the axially extended columnar projections of quick change knob (2B), be provided with the gap between described columnar projections upper end and quick change knob inwall, the arc section of described elasticity steel wire (3E) is connected in the described gap, also be provided with the little arc section (3C) of at least one internal diameter less than described arc section (3E) on the described elasticity steel wire, the described quick change knob then described columnar projections of rotation (2B) the outside described little arc section of apical grafting (3C) is enough to make described elasticity steel wire to strut and make convex circular arc separating tooth roller box front end.
5. multi-functional the quick change construction that is used for screwdriver according to claim 4, it is characterized in that: also be provided with at least one on described quick change knob (2) inwall described elasticity steel wire is played the outstanding little position of bone (2A) of point action, described elasticity steel wire external diameter apical grafting is on the described little position of bone.
6. multi-functional the quick change construction that is used for screwdriver according to claim 5, it is characterized in that: described quick change knob (2) inside bottom wall is provided with the quick change knob inclined-plane (2C) for the slip of torsion spring torsion bar of projection at described torsion spring torsion bar place, quick change knob diapire (2E) is provided with quick change knob hole (2D) in lower end, quick change knob inclined-plane, and described torsion spring torsion bar passes described quick change knob hole and stretches to outside the diapire.
7. multi-functional the quick change construction that is used for screwdriver according to claim 6 is characterized in that: described quick change support (1) lateral wall is provided with the quick change support inclined-plane (1B) that contacts with torsion spring torsion bar (3D).
8. according to each described multi-functional quick change construction that is used for screwdriver of claim 1 to 7, it is characterized in that: described convex circular arc (3A) and little arc section (3C) are established two respectively, and convex circular arc and little arc section are provided with on the elasticity steel wire at interval, and corresponding described columnar projections (2B) is also established two.
9. multi-functional the quick change construction that is used for screwdriver according to claim 8, it is characterized in that: described quick change support (1) endoporus annular distance wall is provided with eight outstanding position of bone (1D), and the gear-box front end is provided with eight muscle positions (4A) and the described position of bone (1D) and is connected inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202024522U CN201592413U (en) | 2009-12-17 | 2009-12-17 | Quick exchange structure of screwdriver multiple function heads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202024522U CN201592413U (en) | 2009-12-17 | 2009-12-17 | Quick exchange structure of screwdriver multiple function heads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201592413U true CN201592413U (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202024522U Expired - Fee Related CN201592413U (en) | 2009-12-17 | 2009-12-17 | Quick exchange structure of screwdriver multiple function heads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201592413U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941193A (en) * | 2010-08-13 | 2011-01-12 | 宁波汉浦工具有限公司 | Electric screwdriver |
| CN102114623A (en) * | 2011-01-11 | 2011-07-06 | 杭州巨星科技股份有限公司 | Screwdriver |
| CN104290078A (en) * | 2013-07-19 | 2015-01-21 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN104339327A (en) * | 2013-07-23 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Electric tool and electric shears accessory thereof |
| CN107214314A (en) * | 2017-05-04 | 2017-09-29 | 范国隆 | Race ring withdrawing device is used in one kind casting |
| US9844861B2 (en) | 2011-01-11 | 2017-12-19 | Hangzhou Great Star Industrial Co., Ltd | Screwdriver |
| CN111203837A (en) * | 2020-03-10 | 2020-05-29 | 宁波汉浦工具有限公司 | Locking structure and electric screwdriver |
-
2009
- 2009-12-17 CN CN2009202024522U patent/CN201592413U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101941193A (en) * | 2010-08-13 | 2011-01-12 | 宁波汉浦工具有限公司 | Electric screwdriver |
| CN102114623A (en) * | 2011-01-11 | 2011-07-06 | 杭州巨星科技股份有限公司 | Screwdriver |
| CN102114623B (en) * | 2011-01-11 | 2012-10-03 | 杭州巨星科技股份有限公司 | Screwdriver |
| US9844861B2 (en) | 2011-01-11 | 2017-12-19 | Hangzhou Great Star Industrial Co., Ltd | Screwdriver |
| CN104290078A (en) * | 2013-07-19 | 2015-01-21 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN104290078B (en) * | 2013-07-19 | 2016-04-27 | 苏州宝时得电动工具有限公司 | Electric tool |
| CN104339327A (en) * | 2013-07-23 | 2015-02-11 | 苏州宝时得电动工具有限公司 | Electric tool and electric shears accessory thereof |
| CN104339327B (en) * | 2013-07-23 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Electric tool and electric clippers annex thereof |
| CN107214314A (en) * | 2017-05-04 | 2017-09-29 | 范国隆 | Race ring withdrawing device is used in one kind casting |
| CN107214314B (en) * | 2017-05-04 | 2019-02-15 | 安徽海立精密铸造有限公司 | A kind of casting bearing race withdrawing device |
| CN111203837A (en) * | 2020-03-10 | 2020-05-29 | 宁波汉浦工具有限公司 | Locking structure and electric screwdriver |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100929 Termination date: 20171217 |