CN102773825B - Quick release driver transmission shaft - Google Patents
Quick release driver transmission shaft Download PDFInfo
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- CN102773825B CN102773825B CN201110120853.5A CN201110120853A CN102773825B CN 102773825 B CN102773825 B CN 102773825B CN 201110120853 A CN201110120853 A CN 201110120853A CN 102773825 B CN102773825 B CN 102773825B
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- screwdriver head
- drive hole
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- elastic positioning
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Abstract
The invention discloses a quick release driver transmission shaft, which comprises a body, an elastic positioning device and a release device, wherein the elastic positioning device is arranged at one end of the body; the release device is arranged on the body and can be used for selectively releasing a driver; the release device is slidably arranged in a slip hole of the body and can move between a first position and a second position; when the release device is positioned at the first position, one end of the elastic positioning device can be selectively positioned in a clamping groove of the driver, so that the driver is positioned in a driving hole of the body; when the release device is positioned at the second position, the driver is pushed by the outside of the release device, facing to the driving hole, so that one end of the elastic positioning device is separated from the clamping groove of the driver; and the length of the part of the driver, which is pushed out of the driving hole, is increased, so that the driver can be easily taken out of the driving hole.
Description
Technical field
The present invention relates generally to a kind of fast de-bottle opener extension bar, particularly a kind of can fast with easy taking-up screwdriver head take off bottle opener extension bar soon.
Background technology
Refer to U.S. Patent number the 5th, 934, No. 384 " Transmission shaft and bit mounting arrangement of a motor-driven hand drill " Patent Cases, it is a kind of adapting rod (transmission shaft) of screwdriver head, adapting rod front end has a combined hole (coupling hole), screwdriver head (bit) can be connected, the rear end of adapting rod has one and combines rod (coupling rod), and it can be made to be connected to electric drill front end.The sheathed cartridge device (chuck) in adapting rod front end, cartridge device utilizes Compress Spring (compression spring) pushing tow and can promote stopping assembly (stop member), this is made to stop assembly can fixing corner cut (cut) place at screwdriver head, reach the effect of fixing screwdriver head, prevent screwdriver head from deviating from the combined hole of adapting rod.
And, adapting rod is also provided with a magnet (magnet) in combined hole, before user will unload screwdriver head, promote cartridge device to move towards the rear end of adapting rod (some design promotes cartridge device to move towards the front end of adapting rod), screwdriver head can be made to lose the effect of fixing, now screwdriver head is still by the magnetic attraction of magnet, so can not depart from the combined hole of adapting rod arbitrarily because of centrifugal force.
Its disappearance is, when user will unload screwdriver head, exposed screwdriver head front end outside combined hole is quite short, so user tightly must pinch the front end of screwdriver head with the tip place of finger, and outwards impose pulling force, until screwdriver head is just likely extracted by the magnetic attracting force resisting magnet, but such detach procedure is quite required great effort.
And, the front end of many screwdriver heads can be set as different size size in response to the screw piece of different sizes, some undersized specifications design causes the contact area of the finger tip of user and screwdriver head front end less, the force of finger effectively cannot be pinched on screwdriver head, therefore cause the disappearance being more difficult to extract screwdriver head.
Moreover, user's hand after construction has normally been infected with greasy dirt, therefore the frictional resistance of finger skin and screwdriver head front end is quite little, usually screwdriver head cannot be extracted under such circumstances at all, user is caused to find if the instrument of sharp-mouth type clamp is to clamp screwdriver head in addition, smoothly screwdriver head could be extracted, but for the staff of regular use screwdriver head adapting rod or professional, this causes trouble when replacing screwdriver head beyond doubt.
In addition, because cartridge device is the outside being looped around adapting rod front end, so cartridge device causes the diameter of whole screwdriver head adapting rod instrument to increase, cause whole screwdriver head adapting rod cannot stretch in some narrow and small hole when constructing, even, the situation that cartridge device touches the hole of hole can be there is in the process stretching into hole, and cause screwdriver head to lose fixing effect, form the safety hazards in work progress, concerning user being the very not convenient and unsafe design of one.
Summary of the invention
The present invention is de-bottle opener extension bar soon, releasing device is slidably located in the slip hole of body, and user can be installed between a primary importance and a second place via the slip hole Co ntrolled release of body and moves, make releasing device optionally can discharge screwdriver head; When releasing device is positioned at primary importance, one end of elastic positioning device can optionally be positioned in the draw-in groove of screwdriver head, makes screwdriver head be positioned in the drive hole of body; When releasing device is positioned at the second place, screwdriver head is released device and passes towards the outside of drive hole, and make one end of elastic positioning device depart from the draw-in groove of screwdriver head, the length allowing screwdriver head be pushed out outside drive hole increases, therefore can take out from drive hole easily.
The present invention is de-bottle opener extension bar soon, this elastic positioning device includes at least one limiting section and at least one is connected to the location division of this limiting section one end, described limiting section is located in this stopper slot, and described location division extends into any one corner in described drive hole in six corners; When this releasing device is positioned at primary importance, the location division of this elastic positioning device extends into any one corner in described drive hole in six corners, and this location division can optionally be positioned in the draw-in groove of screwdriver head, screwdriver head is made to be positioned in the drive hole of this body; When this releasing device is positioned at the second place, the outside of screwdriver head towards this drive hole is passed by this releasing device, the location division of this elastic positioning device is made to depart from the draw-in groove of screwdriver head and the flexible end angle place being clamped in screwdriver head, screwdriver head can not be dropped from this drive hole because of gravitational attraction, the length that screwdriver head is pushed out outside this drive hole simultaneously increases, therefore can also person easy to use take out in self-driven for screwdriver head hole.
The present invention is de-bottle opener extension bar soon, described control piece has the pushing part of a cylindrical shape, this pushing part is arranged in the slip hole of this body and can optionally promotes to be positioned at the screwdriver head of this drive hole, this slip hole has a diameter, described pushing part has a diameter, the diameter of described pushing part is less than the diameter of this slip hole, this pushing part is enable to produce axial slip action along the axis of this body in this slip hole, after screwdriver head inserts this drive hole, the tail end of screwdriver head is directly on front side of this pushing part, make the rear side being directly resisted against this slip hole on rear side of pushing part.
The present invention is de-bottle opener extension bar soon, the outer surface of described ontology-driven section has an external diameter, the control part of control piece does not exceed the external diameter of ontology-driven section outer surface, so, the present invention soon de-bottle opener extension bar just can stretch in narrow and small hole and carries out rotary operation, and, also can not touch the hole of hole and cause screwdriver head to lose fixing effect, there is safe advantage.
The present invention is de-bottle opener extension bar soon, described stopper is convexly equipped in drive hole the end face being away from ontology-driven section, when making screwdriver head by stopper block, drive hole can hold screwdriver head with whole degree of depth, can obtain the effect that high torsion transmits when allowing body drive screwdriver head to rotate.
For realizing above-mentioned technique effect, the invention provides a kind of fast de-bottle opener extension bar, it includes:
A body, its one end forms one and drives section, this body forms a linkage section in contrast to driving one end of section, this driving section can be connected screwdriver head, this linkage section can accept the strength of rotation and make this body drive screwdriver head to rotate, described driving section offers a non-circular drive hole extended towards this linkage section along the axis of this body, and this drive hole can hold screwdriver head, this driving section outer surface offer a slip hole being communicated in this drive hole,
An elastic positioning device, it is incorporated into the driving section of this body, and one end of this elastic positioning device optionally can be positioned at the draw-in groove of screwdriver head;
A releasing device, what this releasing device slided is located in the slip hole of this body, and this releasing device can move between primary importance and the second place;
When this releasing device is positioned at primary importance, one end of this elastic positioning device optionally can be positioned at the draw-in groove of screwdriver head, makes screwdriver head be positioned in the drive hole of this body;
When this releasing device is positioned at the second place, screwdriver head is passed by the outside of this releasing device towards this drive hole, makes one end of this elastic positioning device depart from the draw-in groove of screwdriver head, makes screwdriver head take out from this drive hole easily.
Described fast de-bottle opener extension bar, wherein, this drive hole has six adjacent driving planes each other in 120 degree of angles, a corner is formed between described two adjacent driving planes, a stopper slot is equipped with in this drive hole, described stopper slot is communicated with the corner in this drive hole, this elastic positioning device includes at least one limiting section and at least one is connected to the location division of this limiting section one end, described limiting section is located in this stopper slot, and described location division extends into any one corner in described drive hole in six corners;
When this releasing device is positioned at primary importance, the location division of this elastic positioning device extends into any one corner in described drive hole in six corners, and this location division can optionally be positioned in the draw-in groove of screwdriver head, screwdriver head is made to be positioned in the drive hole of this body;
When this releasing device is positioned at the second place, the outside of screwdriver head towards this drive hole is passed by this releasing device, the location division of this elastic positioning device is made to depart from the draw-in groove of screwdriver head and the flexible end angle place being clamped in screwdriver head, screwdriver head can not be dropped from this drive hole because of gravitational attraction, the length that screwdriver head is pushed out outside this drive hole simultaneously increases, and can also take out in self-driven for screwdriver head hole.
Described fast de-bottle opener extension bar, wherein, the limiting section of this elastic positioning device has one, and the location division of this elastic positioning device has two, two described location divisions are located at the two ends of this limiting section respectively, and described elastic positioning device is c-shaped clasp shape substantially.
Described fast de-bottle opener extension bar, wherein, between two relative corners, there is a distance in described drive hole, the bottom of this stopper slot has an internal diameter, distance in described drive hole between two relative corners is less than the internal diameter bottom stopper slot, this elastic positioning device is under nature, the inner side of two described location divisions extends into the corner of this drive hole, the spacing that the inner side of described two location divisions is formed to be less than in described drive hole the distance between two relative corners, two described location divisions can be held on the draw-in groove place at two end opposite angles of screwdriver head.
Described fast de-bottle opener extension bar, wherein, this releasing device includes a control piece, this control piece is arranged in the slip hole of this body, and the two ends of this control piece have a control part be exposed to outside this body slip hole respectively, the slippage in the slip hole of this body of this control piece can be made via this control part of operation.
Described fast de-bottle opener extension bar, wherein, the outer surface of described ontology-driven section has an external diameter, and the control part of this control piece does not exceed the external diameter of ontology-driven section outer surface.
Described fast de-bottle opener extension bar, wherein, the outer surface of described ontology-driven section is provided with the storage tank being positioned at this slip hole periphery, and this storage tank can hold the control part of this control piece, makes the control part of this control piece not exceed the external diameter of this driving section outer surface.
Described fast de-bottle opener extension bar, wherein, described control piece has the pushing part of a cylindrical shape, this pushing part is arranged in the slip hole of this body and can optionally promotes to be positioned at the screwdriver head of this drive hole, this slip hole has a diameter, described pushing part has a diameter, the diameter of described pushing part is less than the diameter of this slip hole, this pushing part is enable to produce axial slip action along the axis of this body in this slip hole, after screwdriver head inserts this drive hole, the tail end of screwdriver head is directly on front side of this pushing part, make the rear side being directly resisted against this slip hole on rear side of pushing part.
Described fast de-bottle opener extension bar, wherein, be convexly equipped with at least one stopper in the drive hole of this body, described stopper is convexly equipped in the end face being away from this ontology-driven section in this drive hole.
Described fast de-bottle opener extension bar, wherein, described stopper has six, described stopper projection at the corner of this drive hole, this stopper can block at the end angle place of screwdriver head.
Described fast de-bottle opener extension bar, wherein, this body is cylindrical shape substantially, and the linkage section of this body is set to hexagonal column, can accept the strength rotated for accepting power tool.
Accompanying drawing explanation
Fig. 1 is the stereo appearance figure that the present invention takes off bottle opener extension bar soon;
Fig. 2 is the three-dimensional exploded view that the present invention takes off bottle opener extension bar soon;
Fig. 3 is the profilograph that the present invention takes off bottle opener extension bar soon;
Fig. 4 is the present invention's profile of getting along the 4-4 line in Fig. 3 of de-bottle opener extension bar soon;
Fig. 5 is the state diagram of the present invention when de-bottle opener extension bar is connected screwdriver head soon;
Fig. 6 is the state diagram of the present invention when de-bottle opener extension bar is connected screwdriver head soon, represents releasing device position primary importance;
Fig. 7 is the present invention's profile of getting along the 7-7 line in Fig. 6 of de-bottle opener extension bar soon, represents that screwdriver head is positioned in drive hole by elastic positioning device;
Fig. 8 is the state diagram of the present invention when de-bottle opener extension bar unloads screwdriver head soon, represents that releasing device is positioned at the second place;
Fig. 9 is the state diagram of the present invention when de-bottle opener extension bar unloads screwdriver head soon, represents that screwdriver head is convenient to take out in the self-driven hole of user.
Description of reference numerals: 10-extension bar; 20-body; 201-drives section; 202-linkage section; 203-end face; 21-drive hole; 211-corner; 212-drives plane; 22-stopper slot; 23-slip hole; 24-storage tank; 30-elastic positioning device; 31-limiting section; 32-location division; 40-releasing device; 41-control piece; 411-control part; 412-pushing part; 50-stopper; 90-screwdriver head; 91-outer surface; 92-holds angle; 93-draw-in groove; C-axis; D201-external diameter; D22-internal diameter; D211-distance; D23-diameter; D30-spacing; D412-diameter.
Detailed description of the invention
With reference to Fig. 1 and Fig. 2, for the present invention takes off first embodiment of bottle opener extension bar soon.The present invention soon de-bottle opener extension bar 10 includes a body 20, and is located at the elastic positioning device 30 of body 20 one end and one and is located on body 20 and the releasing device 40 that optionally can discharge screwdriver head; Wherein:
Body 20 is cylindrical shape substantially, and body 20 one end forms one and drives section 201, and body 20 forms a linkage section 202 in contrast to driving one end of section 201.The driving section 201 of body 20 can be connected screwdriver head 90 (as Fig. 6), and the linkage section 202 of body 20 can accept the strength of rotation and make body 20 drive screwdriver head 90 to rotate.
The driving section 201 of body 20 offers a non-circular drive hole 21 extended towards body 20 linkage section 202 along the axis C of body 20, and drive hole 21 can hold screwdriver head 90.In the present embodiment, it is poroid that drive hole 21 is set to hexagonal, for holding the screwdriver head 90 with hexagonal column.Drive hole 21 has a formation corner 211 between six adjacent driving planes 212 adjacent in 212, two, the driving plane of 120 degree angles each other.Screwdriver head 90 can insert drive hole 21, and make six contacts driving plane 212 respective at the outer surface 91 of screwdriver head 90, when linkage section 202 and then drives section 201 to rotate, described six drive plane 212 can provide the effect driving screwdriver head 90 to rotate.The linkage section 202 of body 20 is set to hexagonal column, can accept the strength rotated for accepting power tool.
Please coordinate with reference to Fig. 3 and Fig. 4, be equipped with a stopper slot 22 in the drive hole 21 of body 20, described stopper slot 22 is communicated with the corner 211 in drive hole 21 simultaneously.The bottom of stopper slot 22 has an internal diameter D22.Between two relative corners 211, there is a distance D211 in described drive hole 21.Distance D211 in described drive hole 21 between two relative corners 211 is less than the internal diameter D22 bottom stopper slot 22.
Driving section 201 outer surface of body 20 offers the slip hole 23 that is communicated in drive hole 21.Slip hole 23 has a diameter D23.
Elastic positioning device 30 is incorporated into the driving section 201 of body 20, and one end of elastic positioning device 30 can optionally be positioned in the draw-in groove 93 of screwdriver head 90, and screwdriver head 90 is positioned in the drive hole 21 of body 20.
Elastic positioning device 30 includes at least one limiting section 31 and is connected to the location division 32 of limiting section 31 one end with at least one.Described limiting section 31 is located in the stopper slot 22 of body 20 section of driving 201, and limiting section 31 makes elastic positioning device 30 be incorporated into the driving section 201 of body 20 and can not depart from arbitrarily.Described location division 32 extends into any one corner 211 in interior six corners 211 of drive hole 21, and location division 32 can optionally be positioned in the draw-in groove 93 of screwdriver head 90, and screwdriver head 90 is positioned in the drive hole 21 of body 20.
In the present embodiment, elastic positioning device 30 includes a limiting section 31 and two location divisions 32, and two described location divisions 32 are located at the two ends place of limiting section 31 respectively, makes described elastic positioning device 30 c-shaped clasp shape substantially.
Elastic positioning device 30 is under nature, the inner side of two described location divisions 32 extends into the corner 211 of drive hole 21, and the space D 30 that the inner side of two location divisions 32 is formed to be less than in described drive hole 21 the distance D211 between two relative corners 211.So, two location divisions 32 of described elastic positioning device 30 can be held on draw-in groove 93 place at two end opposite angles 92 of screwdriver head 90, reach good locating effect.
Releasing device 40 is slidably located in the slip hole 23 of body 20, and user can move between a primary importance and a second place via the slip hole 23 Co ntrolled release device 40 of body 20, makes releasing device 40 can optionally discharge screwdriver head 90.When releasing device 40 is positioned at primary importance, one end of elastic positioning device 30 can optionally be positioned in the draw-in groove 93 of screwdriver head 90, and screwdriver head 90 is positioned in the drive hole 21 of body 20.When releasing device 40 is positioned at the second place, screwdriver head 90 is released device 40 and passes towards the outside of drive hole 21, make one end of elastic positioning device 30 depart from the draw-in groove 93 of screwdriver head 90, the length allowing screwdriver head 90 be pushed out outside drive hole 21 increases, therefore can take out from drive hole 21 easily.
In the present embodiment, when releasing device 40 is positioned at primary importance, the location division 32 of elastic positioning device 30 extends into any one corner 211 in interior six corners 211 of drive hole 21, and location division 32 can optionally be positioned in the draw-in groove 93 of screwdriver head 90, screwdriver head 90 is positioned in the drive hole 21 of body 20.When releasing device 40 is positioned at the second place, the outside of screwdriver head 90 towards drive hole 21 is passed by releasing device 40, the location division 32 of elastic positioning device 30 is made to depart from the draw-in groove 93 of screwdriver head 90 and flexible end angle 92 place being clamped in screwdriver head 90, screwdriver head 90 can not be dropped from drive hole 21 because of gravitational attraction, simultaneously screwdriver head 90 is because the length be pushed out outside drive hole 21 increases, therefore also has the advantage that person easy to use will take out in self-driven for screwdriver head 90 hole 21.
Releasing device 40 includes a control piece 41.Control piece 41 is arranged in the slip hole 23 of body 20, and the two ends of control piece 41 have a control part 411 be exposed to outside body 20 slip hole 23 respectively, and user can make control piece 41 slippage in the slip hole 23 of body 20 via operation control part 411.
Described control piece 41 has the pushing part 412 of a cylindrical shape, the pushing part 412 of control piece 41 be arranged in body 20 slip hole 23 and optionally can promote to be positioned at the screwdriver head 90 of drive hole 21.Described pushing part 412 has a diameter D412, and the diameter D412 of described pushing part 412 is less than the diameter D23 of slip hole 23, makes pushing part 412 in slip hole 23, can produce axial slip action along the axis C of body 20.
The outer surface of described body 20 section of driving 201 has an outer diameter D 201, the control part 411 of control piece 41 does not exceed the outer diameter D 201 of body 20 section of driving 201 outer surface, as shown in Figure 5, so, the present invention soon de-bottle opener extension bar just can stretch in narrow and small hole and carry out rotary operation.
In the present embodiment, the outer surface of described body 20 section of driving 201 is provided with the storage tank 24 being positioned at slip hole 23 periphery, storage tank 24 can hold the control part 411 of control piece 41, makes the control part 411 of control piece 41 not exceed the outer diameter D 201 of the outer surface of body 20 section of driving 201.
Be convexly equipped with at least one stopper 50 in the drive hole 21 of body 20, stopper 50 can limit screwdriver head 90 and enter the degree of depth in drive hole 21.The Internal periphery in the self-driven hole 21 of stopper 50 extends towards the axis C of body 20 and protrudes from the Internal periphery of drive hole 21, when making screwdriver head 90 enter drive hole 21, screwdriver head 90 can by stopper 50 block, reaches restriction screwdriver head 90 and enters effect in drive hole 21.
Described stopper 50 is convexly equipped in drive hole 21 end face 203 being away from body 20 section of driving 201, when making screwdriver head 90 by stopper 50 block, drive hole 21 can hold the length of the drivable outer surface 91 of screwdriver head 90 as much as possible, can obtain the effect that high torsion transmits when allowing body 20 drive screwdriver head 90 to rotate.In the present embodiment, in the drive hole 21 of body 20, be convexly equipped with six stoppers 50, each stopper 50 respectively projection at corner 211 place of the poroid drive hole 21 of hexagonal, make stopper 50 can block at six end angle places of screwdriver head 90.
Certainly, after screwdriver head 90 inserts drive hole 21, make the tail end of screwdriver head 90 directly on front side of the pushing part 412 of releasing device 40, allow the rear side being directly resisted against body 20 slip hole 23 on rear side of the pushing part 412 of releasing device 40, also can reach the effect as aforementioned stopper 50.Can limit screwdriver head 90 equally and enter the degree of depth in drive hole 21, drive hole 21 can hold the length of the drivable outer surface 91 of screwdriver head 90 as much as possible, can obtain the effect that high torsion transmits when allowing body 20 drive screwdriver head 90 to rotate.
With reference to Fig. 5, for the present invention de-bottle opener extension bar 10 is connected screwdriver head 90 soon time state diagram.When user will carry out work, the drive hole 21 of screwdriver head 90 from body 20 is moved towards linkage section 202 (as Fig. 1) direction of body 20, makes screwdriver head 90 can insert drive hole 21, allow drive hole 21 hold screwdriver head 90.
With reference to Fig. 6 and Fig. 7, when screwdriver head 90 is by stopper 50 block, drive hole 21 can hold the length of the drivable outer surface 91 of screwdriver head 90 as much as possible, can obtain the effect that high torsion transmits when allowing body 20 drive screwdriver head 90 to rotate.Or alternatively, the tail end of screwdriver head 90 is directly on front side of the pushing part 412 of releasing device 40, allow the rear side being directly resisted against body 20 slip hole 23 on rear side of the pushing part 412 of releasing device 40, drive hole 21 can hold the length of the drivable outer surface 91 of screwdriver head 90 as much as possible, can obtain the effect that high torsion transmits when allowing body 20 drive screwdriver head 90 to rotate.Now, releasing device 40 is positioned at primary importance, and one end of elastic positioning device 30 can optionally be positioned in the draw-in groove 93 of screwdriver head 90, and screwdriver head 90 is positioned in the drive hole 21 of body 20.
Be fixed on automatically after in drive hole 21 when screwdriver head 90 is released device 40, the present invention soon de-bottle opener extension bar 10 can carry out the work of rotary operation.
With reference to Fig. 8 and Fig. 9, for the present invention de-bottle opener extension bar 10 unloads screwdriver head 90 soon time state diagram.When user will take out screwdriver head 90, user can stir the control piece 41 of releasing device 40 with hand, releasing device 40 is moved as the second place, screwdriver head 90 is released device 40 and passes towards the outside of drive hole 21, make one end of elastic positioning device 30 depart from the draw-in groove 93 of screwdriver head 90, screwdriver head 90 can be taken out from drive hole 21 easily.
Furthermore, the outside of screwdriver head 90 towards drive hole 21 is passed by releasing device 40, the location division 32 of elastic positioning device 30 is made to depart from the draw-in groove 93 of screwdriver head 90 and flexible end angle 92 place being clamped in screwdriver head 90, screwdriver head 90 can not be dropped from drive hole 21 because of gravitational attraction, screwdriver head 90 is because the length be pushed out outside drive hole 21 increases simultaneously, therefore also there is the advantage that person easy to use will take out in self-driven for screwdriver head 90 hole 21, screwdriver head 90 can be taken out from drive hole 21 by user easily, use quite simple and easy and quick.
Claims (10)
1. a fast de-bottle opener extension bar, is characterized in that, include:
A body, its one end forms one and drives section, this body forms a linkage section in contrast to driving one end of section, this driving section can be connected screwdriver head, this linkage section can accept the strength of rotation and make this body drive screwdriver head to rotate, described driving section offers a non-circular drive hole extended towards this linkage section along the axis of this body, and this drive hole can hold screwdriver head, and this driving section outer surface offers the slip hole that is communicated in this drive hole;
An elastic positioning device, it is incorporated into the driving section of this body, and one end of this elastic positioning device optionally can be positioned at the draw-in groove of screwdriver head;
A releasing device, what this releasing device slided is located in the slip hole of this body, and this releasing device can move between primary importance and the second place, this releasing device includes a control piece, this control piece is arranged in the slip hole of this body, and the two ends of this control piece have a control part be exposed to outside this body slip hole respectively, the slippage in the slip hole of this body of this control piece can be made via this control part of operation;
When this releasing device is positioned at primary importance, one end of this elastic positioning device optionally can be positioned at the draw-in groove of screwdriver head, makes screwdriver head be positioned in the drive hole of this body;
When this releasing device is positioned at the second place, screwdriver head is passed by the outside of this releasing device towards this drive hole, makes one end of this elastic positioning device depart from the draw-in groove of screwdriver head, makes screwdriver head take out from this drive hole easily.
2. fast de-bottle opener extension bar as claimed in claim 1, it is characterized in that, this drive hole has six adjacent driving planes each other in 120 degree of angles, a corner is formed between two adjacent driving planes, a stopper slot is equipped with in this drive hole, described stopper slot is communicated with the corner in this drive hole, this elastic positioning device includes at least one limiting section and at least one is connected to the location division of this limiting section one end, described limiting section is located in this stopper slot, described location division extends into any one corner in described drive hole in six corners,
When this releasing device is positioned at primary importance, the location division of this elastic positioning device extends into any one corner in described drive hole in six corners, and this location division can optionally be positioned in the draw-in groove of screwdriver head, screwdriver head is made to be positioned in the drive hole of this body;
When this releasing device is positioned at the second place, the outside of screwdriver head towards this drive hole is passed by this releasing device, the location division of this elastic positioning device is made to depart from the draw-in groove of screwdriver head and the flexible end angle place being clamped in screwdriver head, screwdriver head can not be dropped from this drive hole because of gravitational attraction, the length that screwdriver head is pushed out outside this drive hole simultaneously increases, and can also take out in self-driven for screwdriver head hole.
3. fast de-bottle opener extension bar as claimed in claim 2, it is characterized in that, the limiting section of this elastic positioning device has one, and the location division of this elastic positioning device has two, two described location divisions are located at the two ends of this limiting section respectively, and described elastic positioning device is c-shaped clasp shape substantially.
4. fast de-bottle opener extension bar as claimed in claim 3, it is characterized in that, between two relative corners, there is a distance in described drive hole, the bottom of this stopper slot has an internal diameter, distance in described drive hole between two relative corners is less than the internal diameter bottom stopper slot, this elastic positioning device is under nature, the inner side of two described location divisions extends into the corner of this drive hole, the spacing that the inner side of described two location divisions is formed to be less than in described drive hole the distance between two relative corners, two described location divisions can be held on the draw-in groove place at two end opposite angles of screwdriver head.
5. fast de-bottle opener extension bar as claimed in claim 4, it is characterized in that, the outer surface of described ontology-driven section has an external diameter, and the control part of this control piece does not exceed the external diameter of ontology-driven section outer surface.
6. fast de-bottle opener extension bar as claimed in claim 5, it is characterized in that, the outer surface of described ontology-driven section is provided with the storage tank being positioned at this slip hole periphery, and this storage tank can hold the control part of this control piece, makes the control part of this control piece not exceed the external diameter of this driving section outer surface.
7. the fast de-bottle opener extension bar according to any one of Claims 1-4, it is characterized in that, described control piece has the pushing part of a cylindrical shape, this pushing part is arranged in the slip hole of this body and can optionally promotes to be positioned at the screwdriver head of this drive hole, this slip hole has a diameter, described pushing part has a diameter, the diameter of described pushing part is less than the diameter of this slip hole, this pushing part is enable to produce axial slip action along the axis of this body in this slip hole, after screwdriver head inserts this drive hole, the tail end of screwdriver head is directly on front side of this pushing part, make the rear side being directly resisted against this slip hole on rear side of pushing part.
8. the fast de-bottle opener extension bar according to any one of Claims 1-4, it is characterized in that, be convexly equipped with at least one stopper in the drive hole of this body, described stopper is convexly equipped in the end face being away from this ontology-driven section in this drive hole.
9. bottle opener extension bar as claimed in claim 8 fast de-, it is characterized in that, described stopper has six, described stopper projection at the corner of this drive hole, this stopper can block at the end angle place of screwdriver head.
10. the fast de-bottle opener extension bar according to any one of Claims 1-4, it is characterized in that, this body is cylindrical shape substantially, and the linkage section of this body is set to hexagonal column, can accept the strength rotated for accepting power tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110120853.5A CN102773825B (en) | 2011-05-11 | 2011-05-11 | Quick release driver transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110120853.5A CN102773825B (en) | 2011-05-11 | 2011-05-11 | Quick release driver transmission shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773825A CN102773825A (en) | 2012-11-14 |
| CN102773825B true CN102773825B (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110120853.5A Active CN102773825B (en) | 2011-05-11 | 2011-05-11 | Quick release driver transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102773825B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200950934A (en) * | 2008-06-11 | 2009-12-16 | Hou-Fei Hu | Chuck for bit |
| CN101607388A (en) * | 2008-06-18 | 2009-12-23 | 胡厚飞 | The extension bar of screwdriver head |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5351586A (en) * | 1993-04-08 | 1994-10-04 | G. Lyle Habermehl | Screwdriver replacement bit assembly |
| EP1513653B1 (en) * | 2002-06-10 | 2012-09-19 | WERA WERK HERMANN WERNER GmbH & Co. KG | Chuck for receiving tools operated by rotating around the axis thereof |
| JP5073321B2 (en) * | 2007-03-07 | 2012-11-14 | 株式会社マキタ | Bit setting device for rotary tools |
| US20090224492A1 (en) * | 2008-03-10 | 2009-09-10 | Jack Lin | Bit connector with quick release device |
-
2011
- 2011-05-11 CN CN201110120853.5A patent/CN102773825B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200950934A (en) * | 2008-06-11 | 2009-12-16 | Hou-Fei Hu | Chuck for bit |
| TWI334377B (en) * | 2008-06-11 | 2010-12-11 | ||
| CN101607388A (en) * | 2008-06-18 | 2009-12-23 | 胡厚飞 | The extension bar of screwdriver head |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102773825A (en) | 2012-11-14 |
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