CN204450361U - A kind of portable screwdriver - Google Patents
A kind of portable screwdriver Download PDFInfo
- Publication number
- CN204450361U CN204450361U CN201520021156.8U CN201520021156U CN204450361U CN 204450361 U CN204450361 U CN 204450361U CN 201520021156 U CN201520021156 U CN 201520021156U CN 204450361 U CN204450361 U CN 204450361U
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- CN
- China
- Prior art keywords
- lock
- released
- ring
- push away
- screwdriver
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- Expired - Fee Related
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of portable screwdriver.The utility model existing complex structure to solve existing portable screwdriver, making trouble, screwdriver rod stretches cannot carry out the fixing defect of stepless retractable.Drip irrigation device: comprise handle and separable screwdriver rod, handle is provided with the locking mechanism of screwdriver rod, feature is that locking mechanism is by core cylinder, push away cap, ring released by lock, ring spring released by lock, push away cap spring and push away cap snap ring and form, its SMIS cylinder back segment tight fit is entered its leading portion of handle vestibule and is in handle front end outer side, screwdriver rod bar portion is slidably fitted in core bore rear orifice section, core bore front portion has lock to release annular groove and spring cavity, outer bulge loop is had outside core cylinder, it is inclined that annular groove cell wall released by lock, lock is released on ring has lock to release card bead, lock is released ring spring one end and is headed on lock and release its other end of ring and head at the bottom of spring cavity chamber, push away cap sleeve on core cylinder leading portion, push away cap snap ring to be clamped on and to push away on cap, push away cap spring one end to head on its other end of outer bulge loop and head on and push away cap snap ring, push away cap inner chamber bottom surface and ring tip contact released by lock.
Description
Technical field
The utility model relates to hardware & tools, particularly a kind of portable screwdriver.Be applicable to normal screws bottle opener, interchangeable screwdriver etc. with multiple different size screwdriver head.
Background technology
Current existing similar portable screwdriver, structure generally comprises handle and screwdriver rod, screwdriver rod one is fixed on its other end on handle and is provided with or screwdriver head is housed, screwdriver rod generally can not elongate or shorten, in order to adapt to various application scenario, so must there be the screwdriver of various screwdriver rod length, this instrument that installation personnel is carried is many, and carries long screwdriver and have inconvenience.Also the screwdriver can changing screwdriver rod is had at present, but troublesome poeration, use inconvenience.
Applicant had previously applied for a kind of portable screwdriver of No. 200920296038.2nd, Chinese patent for this reason, structure comprises handle and separable screwdriver rod, screwdriver rod installation is engaged in its other end on handle and is provided with or screwdriver head is housed, it is characterized in that: handle front end face has centre bore, centre bore internal fixtion has a center loop bar, the core bore leading portion of center loop bar is the hole of positive hexagon, the hole wall of core bore leading portion is provided with card bead hole, card bead is sliding combined with card bead in hole, the card bead lock ring of a slip is arranged with outside the loop bar of center, the center loop bar of card bead lock ring rear end is arranged with return spring, the unblock throw-out collar of a slip is arranged with outside the center loop bar of card bead lock ring front end, handle front end face is exposed to operate in the front end unlocking throw-out collar, unlock between throw-out collar and center loop bar and be provided with return spring, the telescopic section of screwdriver rod is positive hexagon and which is provided with the recess of some lockings, the telescopic section of screwdriver rod is slidably fitted in the core bore of center loop bar, card bead on core bore hole wall and the recess in screwdriver rod telescopic section are released as lock and are coordinated, a screwdriver rod pushing piece is sliding combined with in core bore back segment, release spring is had in pushing piece core bore below.The defect of this technical scheme: one be that component is many, complicated structure, manufacture be cumbersome; Two is coordinate because screwdriver rod flexible to be released as lock by the recess on it and card bead, so its collapsing length fixedly has level, and cannot carry out stepless retractable and fixes.
Summary of the invention
There is complex structure to overcome existing similar portable screwdriver, making trouble, screwdriver rod is flexible cannot carry out the problems such as stepless retractable is fixing, the purpose of this utility model is to provide a kind of portable screwdriver of improvement, can overcome the defect of prior art.
The utility model solves the technical scheme that its technical problem adopts: a kind of portable screwdriver, comprise handle and separable screwdriver rod, the bar portion of the regular hexagonal section of screwdriver rod is slidably fitted on handle, handle is provided with the locking mechanism of locking or release screwdriver rod, it is characterized in that: described locking mechanism is by core cylinder, push away cap, ring released by lock, ring spring released by lock, push away cap spring and push away cap snap ring and form, its SMIS cylinder has and enters the core cylinder back segment of handle vestibule and be in the core cylinder leading portion of handle front end outer side from handle front end tight fit, the rear portion of core bore is one and is used as the hole section of the regular hexagonal section be slidably matched with the bar portion of screwdriver rod, the front portion lock had above of core bore releases annular groove and spring cavity below, the front outsides of core cylinder leading portion there is outer bulge loop, the cell wall that annular groove released by described lock is heeling condition wide outside and narrow inside, lock is released ring and is provided with lock and releases card bead, lock is released ring and is contained in described lock and releases in annular groove, lock is released ring spring and is contained in described spring cavity, and lock is released ring spring one end and is headed on lock and release its other end of ring and head at the bottom of the chamber of described spring cavity, pushing away cap is establishing core cylinder leading portion from the front end sleeve of described core cylinder leading portion, push away cap snap ring to be slidably fitted on core cylinder leading portion lateral surface and to be clamped on and push away on cap rear port, push away cap spring to be contained in and to push away between cap inner chamber and core cylinder leading portion lateral surface, and push away its other end of described outer bulge loop that cap spring one end heads on core cylinder leading portion head on described in push away cap snap ring, push away cap inner chamber bottom surface and ring tip contact released by lock, successively through the apical pore pushing away cap when the bar portion of screwdriver rod installs, the endoporus of ring released by lock, be slidably matched with the rear portion of core bore after the centre bore of ring spring released by lock, then put in handle vestibule.
Screwdriver rod described in technique scheme, its head can be provided with screwdriver head or install the mounting groove of interchangeable screwdriver head; Card bead released by described lock can be cylindrical card bead or spherical card bead.
The cross section that annular groove released by the lock of core cylinder described in technique scheme can be regular hexagon, lock is released card bead and can be adopted cylindrical card bead, a certain inclination groove face of to be the side of releasing card bead by lock when card bead locking screwdriver rod bar portion released by lock with lock release annular groove and a certain side in screwdriver rod bar portion simultaneously tangent and realize locking.
Can pad at the bottom of the chamber of spring cavity described in technique scheme and be provided with a screwdriver rod gum cover, ring spring released by described lock is that one end heads on lock and releases its other end of ring and head on screwdriver rod gum cover, be first through screwdriver rod gum cover after releasing the centre bore of ring spring through the endoporus pushing away the apical pore of cap, ring released by lock, lock successively when the bar portion of described screwdriver rod installs, be then just slidably matched with the rear portion of core bore.
Regular hexagonal section shape can be adopted outside the core cylinder back segment that tight fit described in technique scheme enters handle vestibule, the tight fit vestibule section of described handle vestibule and core cylinder back segment also adopts regular hexagonal section shape, to improve the tight fit moment of torsion of handle and core cylinder.
The beneficial effects of the utility model are: due to locking mechanism by core cylinder, push away cap, ring released by lock, lock is released ring spring, pushes away cap spring and pushed away cap snap ring and forms, and component all concentrates on handle front end outer side, thus portable screwdriver structure comparatively simple, manufacture and install more convenient, releasing on ring due to lock establishes lock to release card bead, the cell wall that annular groove released by lock is heeling condition wide outside and narrow inside, push away the underrun of cap inner chamber to push away cap spring and release ring top to lock and push, lock is released card bead and is locked screwdriver rod bar portion by locking the inclination cell wall releasing annular groove, screwdriver rod cannot be moved in its natural state in handle vestibule, and only have when user promotes cap forward, push away cap inner chamber bottom surface and release lock when releasing ring top, lock is released ring and is moved forward under ring spring action released by lock, screwdriver rod bar portion could be mobile in handle vestibule, release card bead due to lock to lock any position, bar portion of screwdriver rod by locking the inclination cell wall releasing annular groove, so screwdriver rod length can be fixed as stepless retractable.
Below in conjunction with drawings and Examples, the utility model will be further described.
Accompanying drawing explanation
The cross-sectional schematic of the local of a kind of embodiment of the utility model that Fig. 1 is.
Fig. 2 is the A-A profile of Fig. 1.
In figure: 1, handle; 2, screwdriver rod; 3, bar portion; 4, head; 5, mounting groove; 6, locking mechanism; 7, core cylinder; 8, cap is pushed away; 9, ring released by lock; 10, ring spring released by lock; 11, cap spring is pushed away; 12, cap snap ring is pushed away; 13, handle vestibule; 14, core cylinder back segment; 15, core cylinder leading portion; 16, core bore rear portion; 17, annular groove released by lock; 18, spring cavity; 19, outer bulge loop; 20, card bead released by lock; 21, cap inner chamber bottom surface is pushed away; 22, screwdriver rod gum cover.
Detailed description of the invention
With reference to Fig. 1 ~ Fig. 2, this portable screwdriver, comprise handle 1 and separable screwdriver rod 2, the bar portion 3 of the regular hexagonal section of screwdriver rod 2 is slidably fitted on handle 1, the head 4 of screwdriver rod 2 is provided with the mounting groove 5 for installing interchangeable screwdriver head, handle 1 is provided with the locking mechanism 6 of locking or release screwdriver rod 2, it is characterized in that: described locking mechanism 6 is by core cylinder 7, push away cap 8, ring 9 released by lock, ring spring 10 released by lock, push away cap spring 11 and push away cap snap ring 12 and form, its SMIS cylinder 7 has to enter the core cylinder back segment 14 of handle vestibule 13 from handle 1 front end tight fit and be in the core cylinder leading portion 15 of handle 1 front end outer side, core bore rear portion 16 is one and is used as the hole section of the regular hexagonal section be slidably matched with the bar portion 3 of screwdriver rod 1, the anterior lock had above of core bore releases annular groove 17 and spring cavity below 18, the front outsides of core cylinder leading portion 15 there is outer bulge loop 19, the cell wall that annular groove 17 released by described lock is heeling condition wide outside and narrow inside, lock is released ring 9 and is provided with lock and releases card bead 20 etc., lock is released ring 9 and is contained in described lock and releases in annular groove 17, lock is released ring spring 10 and is contained in described spring cavity 18, and lock is released ring spring 10 one end and is headed on lock and release its other end of ring 9 and head at the bottom of the chamber of described spring cavity 18, pushing away cap 8 is located at core cylinder leading portion 15 from the front end sleeve of described core cylinder leading portion 15, push away cap snap ring 12 to be slidably fitted on core cylinder leading portion 15 lateral surface and be clamped on push away cap 8 rear port on, push away cap spring 11 be contained in push away cap inner chamber and core cylinder leading portion 15 lateral surface between, and push away described outer its other end of bulge loop 19 that cap spring 11 one end heads on core cylinder leading portion head on described in push away cap snap ring 12, push away cap inner chamber bottom surface 21 and release ring 9 tip contact with lock, successively through the apical pore pushing away cap 8 when the bar portion 3 of screwdriver rod 2 installs, the endoporus of ring 9 released by lock, be slidably matched with core bore rear portion 16 after the centre bore of ring spring 10 released by lock, then put in handle vestibule 13.
In addition, the cross section that annular groove 17 released by the lock of described core cylinder 7 is regular hexagon, lock is released card bead 20 and is adopted cylindrical card bead, the inclination groove face of lock is released when card bead 20 locks the bar portion 3 of screwdriver rod 2 to be the outside of releasing card bead 20 by lock with lock release annular groove 9 and side, screwdriver rod 2 bar portion 3 simultaneously tangent and realize locking.On at the bottom of the chamber of described spring cavity 18, also pad is provided with a screwdriver rod gum cover 22, ring spring 10 released by described lock is that one end heads on lock and releases its other end of ring 9 and head on screwdriver rod gum cover 22, be first through screwdriver rod gum cover 22 after releasing the centre bore of ring spring 10 through the endoporus pushing away the apical pore of cap 8, ring 9 released by lock, lock successively when the bar portion 3 of described screwdriver rod 2 installs, be then just slidably matched with core bore rear portion 16.Adopt regular hexagonal section shape outside the core cylinder back segment 14 that described tight fit enters handle vestibule 13, described handle vestibule 13 is also adopts regular hexagonal section shape with the tight fit vestibule section of core cylinder back segment 14, to improve the tight fit moment of torsion of handle 1 and core cylinder 7.
During use, in its natural state, push away cap spring 11 and push away cap snap ring 12, drive and push away cap inner chamber bottom surface 21 and ring 9 top is released to lock push, lock is released card bead 20 grade and is locked by locking the bar portion 3 of inclination cell wall to screwdriver rod 2 of releasing annular groove 17, and screwdriver rod 2 can not be moved in handle vestibule 13, when screwdriver rod 2 needs to extend, hand-pull screwdriver rod 2 outer mobile toward handle vestibule 13, because card bead 20 can be released by lock by the bar portion 3 of at this moment screwdriver rod 2, lock is released ring 9 and is released ring spring 10 together with lock and push away cap 8 and overcome the spring force that pushes away cap spring 11 and move outward, the locking effect that card bead 20 pairs of screwdriver rods 2 released by such lock just discharges, so it is outer mobile unrestricted toward handle vestibule 13 to hold screwdriver rod 2, then when decontroling screwdriver rod 2, push away cap spring 11 and push away cap snap ring 12 again, driving pushes away cap inner chamber bottom surface 21 and releases 9 tops to lock and push, lock is released card bead 20 grade and is locked by locking the bar portion 3 of inclination cell wall to screwdriver rod 2 of releasing annular groove 17 again, when screwdriver rod 2 will shorten, promote cap 8 compression forward with hand and push away cap spring 11, push away cap inner chamber bottom surface 21 just to release lock and release ring 9 top, ring 9 reach under ring spring 10 effect released by lock released by lock, the locking effect release of card bead 20 pairs of screwdriver rods 2 released by lock, at this moment screwdriver rod 2 can handle hole chamber 13 be interior mobile in the past, when relieving pushes away cap 8, pushing away under cap spring 11 pushing, push away cap inner chamber bottom surface 21 to release 9 tops to lock and push, lock is released the bar portion 3 of inclination cell wall to screwdriver rod 2 that card bead 20 grade releases annular groove 17 by lock and is locked.Release card bead 20 grade due to lock to lock any position in the bar portion 3 of screwdriver rod 2, so the flexible of screwdriver rod 2 length is electrodeless adjustment by locking the inclination cell wall releasing annular groove 17.
Claims (5)
1. a portable screwdriver, comprise handle and separable screwdriver rod, the bar portion of the regular hexagonal section of screwdriver rod is slidably fitted on handle, handle is provided with the locking mechanism of locking or release screwdriver rod, it is characterized in that: described locking mechanism is by core cylinder, push away cap, ring released by lock, ring spring released by lock, push away cap spring and push away cap snap ring and form, its SMIS cylinder has and enters the core cylinder back segment of handle vestibule and be in the core cylinder leading portion of handle front end outer side from handle front end tight fit, the rear portion of core bore is one and is used as the hole section of the regular hexagonal section be slidably matched with the bar portion of screwdriver rod, the front portion lock had above of core bore releases annular groove and spring cavity below, the front outsides of core cylinder leading portion there is outer bulge loop, the cell wall that annular groove released by described lock is heeling condition wide outside and narrow inside, lock is released on ring and is established lock to release card bead, lock is released ring and is contained in described lock and releases in annular groove, lock is released ring spring and is contained in described spring cavity, and lock is released ring spring one end and is headed on lock and release its other end of ring and head at the bottom of the chamber of described spring cavity, pushing away cap is establishing core cylinder leading portion from the front end sleeve of described core cylinder leading portion, push away cap snap ring to be slidably fitted on core cylinder leading portion lateral surface and to be clamped on and push away on cap rear port, push away cap spring to be contained in and to push away between cap inner chamber and core cylinder leading portion lateral surface, and push away its other end of described outer bulge loop that cap spring one end heads on core cylinder leading portion head on described in push away cap snap ring, push away cap inner chamber bottom surface and ring tip contact released by lock, successively through the apical pore pushing away cap when the bar portion of screwdriver rod installs, the endoporus of ring released by lock, be slidably matched with the rear portion of core bore after the centre bore of ring spring released by lock, then put in handle vestibule.
2. by portable screwdriver according to claim 1, it is characterized in that described screwdriver rod, its head is provided with screwdriver head or installs the mounting groove of interchangeable screwdriver head.
3. by the portable screwdriver described in claim 1 or 2, it is characterized in that the cross section that annular groove released by the lock of described core cylinder is regular hexagon, lock is released card bead and is adopted cylindrical card bead, the inclination groove face of to be the side of releasing card bead by lock when card bead locking screwdriver rod bar portion released by lock with lock release annular groove and the side in screwdriver rod bar portion simultaneously tangent and realize locking.
4. by the portable screwdriver described in claim 1 or 2, it is characterized in that at the bottom of the chamber of described spring cavity, pad is provided with a screwdriver rod gum cover, ring spring released by described lock is that one end heads on lock and releases its other end of ring and head on screwdriver rod gum cover, be first through screwdriver rod gum cover after releasing the centre bore of ring spring through the endoporus pushing away the apical pore of cap, ring released by lock, lock successively when the bar portion of described screwdriver rod installs, be then just slidably matched with the rear portion of core bore.
5. by the portable screwdriver described in claim 1 or 2, it is characterized in that adopting regular hexagonal section shape outside the core cylinder back segment that described tight fit enters handle vestibule, the tight fit vestibule section of described handle vestibule and core cylinder back segment also adopts regular hexagonal section shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021156.8U CN204450361U (en) | 2015-01-13 | 2015-01-13 | A kind of portable screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520021156.8U CN204450361U (en) | 2015-01-13 | 2015-01-13 | A kind of portable screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204450361U true CN204450361U (en) | 2015-07-08 |
Family
ID=53657304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520021156.8U Expired - Fee Related CN204450361U (en) | 2015-01-13 | 2015-01-13 | A kind of portable screwdriver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204450361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139135A (en) * | 2016-10-31 | 2017-09-08 | 李欣 | The complete set mechanism tool of bottle opener and iron hammer |
| CN108994766A (en) * | 2018-09-06 | 2018-12-14 | 厦门南旗佰特精密工具制造有限公司 | A kind of stepless retractable mechanism and stepless collapsible screwdriver |
-
2015
- 2015-01-13 CN CN201520021156.8U patent/CN204450361U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139135A (en) * | 2016-10-31 | 2017-09-08 | 李欣 | The complete set mechanism tool of bottle opener and iron hammer |
| CN108994766A (en) * | 2018-09-06 | 2018-12-14 | 厦门南旗佰特精密工具制造有限公司 | A kind of stepless retractable mechanism and stepless collapsible 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: 20150708 Termination date: 20190113 |