CN102773825A - Quick release driver transmission shaft - Google Patents
Quick release driver transmission shaft Download PDFInfo
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- CN102773825A CN102773825A CN2011101208535A CN201110120853A CN102773825A CN 102773825 A CN102773825 A CN 102773825A CN 2011101208535 A CN2011101208535 A CN 2011101208535A CN 201110120853 A CN201110120853 A CN 201110120853A CN 102773825 A CN102773825 A CN 102773825A
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- screwdriver head
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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 bottle opener extension bar that takes off soon, particularly a kind of can be fast with easy taking-up screwdriver head take off the bottle opener extension bar soon.
Background technology
See also 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; The adapting rod front end has a combined hole (coupling hole); Can be connected screwdriver head (bit), the rear end of adapting rod has one and combines rod (coupling rod), can make it be connected the electric drill front end.The sheathed cartridge device of adapting rod front end (chuck); Cartridge device utilization compression spring (compression spring) pushing tow and can promote one and stop assembly (stop member); Making this stop the corner cut (cut) that assembly can fix at screwdriver head locates; Reach the fixedly effect of screwdriver head, prevent that screwdriver head from deviating from the combined hole of adapting rod.
And; Adapting rod also is provided with a magnet (magnet) in combined hole; Before the user will unload screwdriver head, promote cartridge device and move (some design is to promote cartridge device to move towards the front end of adapting rod) towards the rear end of adapting rod, can make screwdriver head lose the effect of fixing; This moment, screwdriver head was still by the magnetic attraction of magnet, so can not break away from the combined hole of adapting rod because of centrifugal force arbitrarily.
Its disappearance is; When the user will unload screwdriver head; The screwdriver head front end that exposes outside combined hole is quite short, so the user must tightly pinch the front end of screwdriver head with the tip place of finger, and outwards imposes pulling force; Just might screwdriver head be extracted up to the magnetic attracting force that can resist magnet, but such detach procedure is quite required great effort.
And; The front end of many screwdriver heads can be set as the different size size in response to the spiral shell spare of different sizes; Some undersized specifications design causes user's the contact area of finger tip and screwdriver head front end littler; Can't the application of force of finger effectively be pinched on screwdriver head, so cause the disappearance that more is difficult to extract screwdriver head.
Moreover; User's hand after the construction normally has been infected with greasy dirt, so the frictional resistance of finger skin and screwdriver head front end is quite little, can't screwdriver head be extracted under so usually situation at all; Cause the user to seek in addition and clamp screwdriver head like the instrument of sharp-mouth type clamp; Could smoothly screwdriver head be extracted, still for the staff or the professional of regular use screwdriver head adapting rod, this has caused the trouble when replacing screwdriver head beyond doubt.
In addition; Because cartridge device is the outside that is looped around the 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 when construction, can't stretch in some narrow and small hole, even; The situation that cartridge device touches the hole of hole can take place in stretching into the process of hole; And cause screwdriver head to lose the fixing effect, and form the safety hazards in the work progress, be a kind of very not convenient and unsafe design to the user.
Summary of the invention
The present invention takes off the bottle opener extension bar soon; Releasing device slidably is located in the slip hole of body; And the user can move between a primary importance and a second place via the slip hole control releasing device of body, makes releasing device can optionally discharge screwdriver head; When releasing device was positioned at primary importance, an end of elastic positioning device can optionally be positioned in the draw-in groove of screwdriver head, and screwdriver head is positioned in the drive bulk hole; When releasing device was positioned at the second place, screwdriver head was released device and passes towards the outside of drive hole, made the draw-in groove of the end disengaging screwdriver head of elastic positioning device, and letting screwdriver head be pushed out the outer length of drive hole increases, so can take out from drive hole easily.
The present invention takes off the bottle opener extension bar soon; This elastic positioning device includes at least one limiting section and at least one is connected in 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 corner in interior six corners of said drive hole; When this releasing device is positioned at primary importance; The location division of this elastic positioning device extends into any corner in interior six corners of said drive hole; And this location division can optionally be positioned in the draw-in groove of screwdriver head, and screwdriver head is positioned in this drive bulk hole; When this releasing device is positioned at the second place; This releasing device is passed screwdriver head towards the outside of this drive hole; Make the location division of this elastic positioning device break away from draw-in groove and the flexible place, end angle that is clamped in screwdriver head of screwdriver head; Screwdriver head can from this drive hole, not dropped because of gravitational attraction, and screwdriver head is pushed out the outer length of this drive hole simultaneously increases, so can also make things convenient for the user that screwdriver head is taken out in drive hole.
The present invention takes off the bottle opener extension bar soon; Described control piece has the pushing part of a cylindrical shape, and 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, and this slip hole has a diameter; Described pushing part has a diameter; The diameter of said pushing part makes this pushing part in this slip hole, produce the axial slip action by the axis along this body, after screwdriver head inserts this drive hole less than the diameter of this slip hole; The tail end of screwdriver head makes the pushing part rear side directly be resisted against the rear side of this slip hole directly against this pushing part front side.
The present invention takes off the bottle opener extension bar soon; The outer surface that said body drives section has an external diameter, and the control part of control piece does not exceed the external diameter that body drives the section outer surface, so; The present invention takes off the bottle opener extension bar soon and just can stretch in the narrow and small hole and be rotated operation; And, can not touch the hole of hole yet and cause screwdriver head to lose the fixing effect, have safe advantage.
The present invention takes off the bottle opener extension bar soon; Described retaining portion is convexly set in and is away from the end face that body drives section in the drive hole; Make when screwdriver head is kept off portion's block that drive hole can hold screwdriver head with whole degree of depth, let body drive when screwdriver head rotates and to obtain the effect that high torsion transmits.
For realizing above-mentioned technique effect, the present invention provides a kind of bottle opener extension bar that takes off soon, and it includes:
A body; The one of which end forms one and drives section, and this body forms a linkage section in contrast to an end that drives section, and this driving section can be connected screwdriver head; This linkage section can be accepted Power of Spin and make this body drive the screwdriver head rotation; The described section that drives offers a non-circular drive hole that extends towards this linkage section along the axis of this body, and this drive hole can hold screwdriver head, this drivings section outer surface offer a slip hole that is communicated in this drive hole,
An elastic positioning device, it is incorporated into this drive bulk section, and an end of this elastic positioning device can optionally be positioned at the draw-in groove of screwdriver head;
A releasing device, in the slip hole of being located at this body that this releasing device slides, and this releasing device can move between the primary importance and the second place;
When this releasing device was positioned at primary importance, an end of this elastic positioning device can optionally be positioned at the draw-in groove of screwdriver head, and screwdriver head is positioned in this drive bulk hole;
When this releasing device was positioned at the second place, screwdriver head was passed towards the outside of this drive hole by this releasing device, made the draw-in groove of the end disengaging screwdriver head of this elastic positioning device, made screwdriver head take out from this drive hole easily.
The described bottle opener extension bar that takes off soon; Wherein, This drive hole has six adjacent driving planes that are 120 degree angles each other, forms a corner between said two adjacent driving planes, is equipped with a stopper slot 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 in the location division of this limiting section one end, and described limiting section is located in this stopper slot, and described location division extends into any corner in interior six corners of said drive hole;
When this releasing device is positioned at primary importance; The location division of this elastic positioning device extends into any corner in interior six corners of said drive hole; And this location division can optionally be positioned in the draw-in groove of screwdriver head, and screwdriver head is positioned in this drive bulk hole;
When this releasing device is positioned at the second place; This releasing device is passed screwdriver head towards the outside of this drive hole; Make the location division of this elastic positioning device break away from draw-in groove and the flexible place, end angle that is clamped in screwdriver head of screwdriver head; Screwdriver head can from this drive hole, not dropped because of gravitational attraction, and screwdriver head is pushed out the outer length of this drive hole simultaneously increases, and can also screwdriver head be taken out in drive hole.
The described bottle opener extension bar that takes off soon; Wherein, the limiting section of this elastic positioning device has one, and the location division of this elastic positioning device has two; Described two location divisions are located at the two ends of this limiting section respectively, the c-shaped substantially clasp shape of described elastic positioning device.
The described bottle opener extension bar that takes off soon; Wherein, Have a distance between the two relative corners in the said drive hole, the bottom of this stopper slot has an internal diameter, and the distance in the said drive hole between the two relative corners is less than the internal diameter of stopper slot bottom; This elastic positioning device is under nature; The inboard of described two location divisions extends into the corner of this drive hole, and an inboard formed spacing of said two location divisions is less than the distance between the two relative corners in the said drive hole, and described two location divisions can be held on the draw-in groove place at two end opposite angles of screwdriver head.
The described bottle opener extension bar that takes off soon; 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 one respectively and be exposed to the outer control part of this body slip hole, can make the slippage in the slip hole of this body of this control piece via this control part of operation.
The described bottle opener extension bar that takes off soon, wherein, the outer surface that said body drives section has an external diameter, and the control part of this control piece does not exceed the external diameter that body drives the section outer surface.
The described bottle opener extension bar that takes off soon, wherein, the outer surface that said body drives section is provided with the storage tank that is 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 drivings section outer surface.
The described bottle opener extension bar that takes off soon, 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, and described pushing part has a diameter, and the diameter of said pushing part is less than the diameter of this slip hole; Make this pushing part in this slip hole, produce the axial slip action by the axis along this body; After screwdriver head inserted this drive hole, the tail end of screwdriver head made the pushing part rear side directly be resisted against the rear side of this slip hole directly against this pushing part front side.
The described bottle opener extension bar that takes off soon wherein, convexes with at least one retaining portion in this drive bulk hole, described retaining portion is convexly set in and is away from the end face that this body drives section in this drive hole.
The described bottle opener extension bar that takes off soon, wherein, described retaining portion has six, said retaining portion is convexly equipped with the corner at this drive hole, this retaining portion can block at the place, end angle of screwdriver head.
The described bottle opener extension bar that takes off soon, wherein, the cylindrical substantially shape of this body, the linkage section of this body is made as the hexagonal column, can accept Power of Spin for accepting power tool.
Description of drawings
Fig. 1 takes off the stereo appearance figure of bottle opener extension bar soon for the present invention;
Fig. 2 takes off the three-dimensional exploded view of bottle opener extension bar soon for the present invention;
Fig. 3 takes off the profilograph of bottle opener extension bar soon for the present invention;
Fig. 4 takes off the profile that the bottle opener extension bar is got along the 4-4 line among Fig. 3 soon for the present invention;
State diagram when Fig. 5 is connected screwdriver head for the present invention takes off the bottle opener extension bar soon;
State diagram when Fig. 6 is connected screwdriver head for the present invention takes off the bottle opener extension bar soon, expression releasing device position primary importance;
Fig. 7 takes off the profile that the bottle opener extension bar is got along the 7-7 line among Fig. 6 soon for the present invention, and the expression screwdriver head is positioned in the drive hole by elastic positioning device;
State diagram when Fig. 8 unloads screwdriver head for the present invention takes off the bottle opener extension bar soon, the expression releasing device is positioned at the second place;
State diagram when Fig. 9 unloads screwdriver head for the present invention takes off the bottle opener extension bar soon, the expression screwdriver head is convenient to the user and in drive hole, takes out.
Description of reference numerals: 10-extension bar; The 20-body; 201-drives section; The 202-linkage section; The 203-end face; The 21-drive hole; The 211-corner; 212-drives the plane; The 22-stopper slot; The 23-slip hole; The 24-storage tank; The 30-elastic positioning device; The 31-limiting section; The 32-location division; The 40-releasing device; The 41-control piece; The 411-control part; The 412-pushing part; 50-retaining portion; The 90-screwdriver head; The 91-outer surface; 92-holds the angle; The 93-draw-in groove; The C-axis; The D201-external diameter; The D22-internal diameter; The D211-distance; The D23-diameter; The D30-spacing; The D412-diameter.
The specific embodiment
With reference to Fig. 1 and Fig. 2, take off first embodiment of bottle opener extension bar soon for the present invention.The present invention takes off bottle opener extension bar 10 soon and includes a body 20, an elastic positioning device 30 and the releasing device 40 being located on the body 20 and can optionally discharging screwdriver head of being located at body 20 1 ends; Wherein:
The cylindrical substantially shape of body 20, body 20 1 ends form one and drive section 201, and body 20 forms a linkage section 202 in contrast to an end that drives section 201.The driving section 201 of body 20 can be connected screwdriver head 90 (like Fig. 6), and the linkage section 202 of body 20 can be accepted Power of Spin and make body 20 drive screwdriver head 90 rotations.
The driving section 201 of body 20 offers a non-circular drive hole 21 that extends towards body 20 linkage sections 202 along the axis C of body 20, and drive hole 21 can hold screwdriver head 90.In present embodiment, it is poroid that drive hole 21 is made as hexagonal, for holding the screwdriver head 90 with hexagonal column.Drive hole 21 has between six adjacent 212, two adjacent driving planes 212, driving plane that are 120 degree angles each other and forms a corner 211.Screwdriver head 90 can insert drive hole 21; And make six outer surfaces 91 that drive plane 212 contact separately at screwdriver head 90; When linkage section 202 and then drove section 201 rotations, described six driving planes 212 can provide and drive the effect that screwdriver head 90 rotates.The linkage section 202 of body 20 is made as the hexagonal column, can accept Power of Spin for accepting power tool.
Please cooperate simultaneously with reference to Fig. 3 and Fig. 4, be equipped with a stopper slot 22 in the drive hole 21 of body 20, the corner 211 that described stopper slot 22 is communicated with in the drive hole 21.The bottom of stopper slot 22 has an inside diameter D 22.Has a distance B 211 between the two relative corners 211 in the said drive hole 21.Distance B 211 in the said drive hole 21 between the two relative corners 211 is less than the inside diameter D 22 of stopper slot 22 bottoms.
In present embodiment, elastic positioning device 30 includes a limiting section 31 and two location divisions 32, and described two location divisions 32 are located at the place, two ends of limiting section 31 respectively, make the c-shaped substantially clasp shape of described elastic positioning device 30.
Releasing device 40 slidably is located in the slip hole 23 of body 20; And the user can move between a primary importance and a second place via the slip hole 23 control releasing devices 40 of body 20, makes releasing device 40 can optionally discharge screwdriver head 90.When releasing device 40 was positioned at primary importance, an 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 the draw-in groove 93 of the end disengaging screwdriver head 90 of elastic positioning device 30, letting screwdriver head 90 be pushed out drive hole 21 outer length increases, so can take out from drive hole 21 easily.
In present embodiment; When releasing device 40 is positioned at primary importance; The location division 32 of elastic positioning device 30 extends into any corner 211 in drive hole 21 interior six corners 211; 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.When releasing device 40 is positioned at the second place; Releasing device 40 is passed screwdriver head 90 towards the outside of drive hole 21; Make the location division 32 of elastic positioning device 30 break away from draw-in groove 93 and flexible 92 places, end angle that are clamped in screwdriver head 90 of screwdriver heads 90; Screwdriver head 90 can from drive hole 21, not dropped because of gravitational attraction, and screwdriver head 90 is because being pushed out drive hole 21 outer length increases, so also have the advantage that makes things convenient for the user that screwdriver head 90 is taken out in drive hole 21 simultaneously.
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 one respectively and be exposed to the outer control part 411 of body 20 slip holes 23, and the user can make control piece 41 slippage in the slip hole 23 of body 20 via controling portion 411.
Described control piece 41 has the pushing part 412 of a cylindrical shape, and the pushing part 412 of control piece 41 is the screwdriver head 90 that is arranged in the slip hole 23 of body 20 and can optionally promotes to be positioned at drive hole 21.Described pushing part 412 has a diameter D412, and the diameter D412 of said pushing part 412 makes pushing part 412 in slip hole 23, produce the axial slip action by the axis C along body 20 less than the diameter D23 of slip hole 23.
The outer surface that said body 20 drives section 201 has a D outer diameter 201; The control part 411 of control piece 41 does not exceed the D outer diameter 201 that body 20 drives section 201 outer surfaces; As shown in Figure 5, so, the present invention takes off the bottle opener extension bar soon and just can stretch in the narrow and small hole and be rotated operation.
In present embodiment; The outer surface that said body 20 drives section 201 is provided with the storage tank 24 that is positioned at slip hole 23 peripheries; 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 D outer diameter 201 that body 20 drives the outer surface of section 201.
Convex with at least one retaining portion 50 in the drive hole 21 of body 20, retaining portion 50 can limit the degree of depth that screwdriver head 90 gets in the drive hole 21.Retaining portion 50 protrudes from the interior profile of drive hole 21 towards the axis C of body 20 extension from the interior profile of drive hole 21; Make when screwdriver head 90 gets into drive hole 21; Screwdriver head 90 can be reached the effect that restriction screwdriver head 90 gets in the drive hole 21 by retaining portion 50 blocks.
Described retaining portion 50 is convexly set in and is away from the end face 203 that body 20 drives section 201 in the drive hole 21; When making screwdriver head 90 by retaining portion 50 blocks; Drive hole 21 can hold the length of screwdriver head 90 drivable outer surfaces 91 as much as possible, lets body 20 drive when screwdriver head 90 rotates and can obtain the effect that high torsion transmits.In present embodiment, convex with six retaining portions 50 in the drive hole 21 of body 20, each retaining portion 50 is convexly equipped with respectively at 211 places, corner of the poroid drive hole 21 of hexagonal, and retaining portion 50 can be located at six end angles of screwdriver head 90 by block.
Certainly; Screwdriver head 90 inserts after the drive hole 21; The tail end that makes screwdriver head 90 is directly against pushing part 412 front sides of releasing device 40, lets pushing part 412 rear sides of releasing device 40 directly be resisted against the rear side of body 20 slip holes 23, also can reach the effect as aforementioned retaining portion 50.Can limit the degree of depth that screwdriver head 90 gets in the drive hole 21 equally, drive hole 21 can hold the length of screwdriver head 90 drivable outer surfaces 91 as much as possible, lets body 20 drive when screwdriver head 90 rotates and can obtain the effect that high torsion transmits.
With reference to Fig. 5, the state diagram when taking off bottle opener extension bar 10 linking screwdriver heads 90 soon for the present invention.When the user will carry out work, the drive hole 21 of screwdriver head 90 from body 20 moved towards linkage section 202 (like Fig. 1) direction of body 20, make screwdriver head 90 can insert drive hole 21, let drive hole 21 hold screwdriver head 90.
With reference to Fig. 6 and Fig. 7, screwdriver head 90 is during by retaining portion 50 blocks, and drive hole 21 can hold the length of screwdriver head 90 drivable outer surfaces 91 as much as possible, lets body 20 drive when screwdriver heads 90 rotate and can obtain the effect that high torsion transmits.Perhaps also we can say; The tail end of screwdriver head 90 is directly against pushing part 412 front sides of releasing device 40; Let pushing part 412 rear sides of releasing device 40 directly be resisted against the rear side of body 20 slip holes 23; Drive hole 21 can hold the length of screwdriver head 90 drivable outer surfaces 91 as much as possible, lets body 20 drive when screwdriver head 90 rotates and can obtain the effect that high torsion transmits.At this moment, releasing device 40 is positioned at primary importance, and an 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 screwdriver head 90 be released device 40 be fixed on automatically in the drive hole 21 after, the present invention takes off the work that bottle opener extension bar 10 can be rotated operation soon.
With reference to Fig. 8 and Fig. 9, the state diagram when taking off bottle opener extension bar 10 soon and unload screwdriver head 90 for the present invention.When the user will take out screwdriver head 90; The user can stir the control piece 41 of releasing device 40 with hand; Releasing device 40 is moved as for the second place; Screwdriver head 90 is released device 40 and passes towards the outside of drive hole 21, makes the draw-in groove 93 of the end disengaging screwdriver head 90 of elastic positioning device 30, and screwdriver head 90 can be taken out from drive hole 21 easily.
Further; Releasing device 40 is passed screwdriver head 90 towards the outside of drive hole 21; Make the location division 32 of elastic positioning device 30 break away from draw-in groove 93 and flexible 92 places, end angle that are clamped in screwdriver head 90 of screwdriver heads 90; Screwdriver head 90 can from drive hole 21, not dropped because of gravitational attraction, and screwdriver head 90 is because being pushed out drive hole 21 outer length increases, so also have the advantage that makes things convenient for the user that screwdriver head 90 is taken out in drive hole 21 simultaneously; Let screwdriver head 90 can not be used the person easily and from drive hole 21, take out, quite simple and easy and quick in the use.
Claims (11)
1. one kind is taken off the bottle opener extension bar soon, it is characterized in that, includes:
A body; The one of which end forms one and drives section, and this body forms a linkage section in contrast to an end that drives section, and this driving section can be connected screwdriver head; This linkage section can be accepted Power of Spin and make this body drive the screwdriver head rotation; The described section axis along this body that drives offers a non-circular drive hole that extends towards this linkage section, and this drive hole can hold screwdriver head, and this driving section outer surface offers a slip hole that is communicated in this drive hole;
An elastic positioning device, it is incorporated into this drive bulk section, and an end of this elastic positioning device can optionally be positioned at the draw-in groove of screwdriver head;
A releasing device, in the slip hole of being located at this body that this releasing device slides, and this releasing device can move between the primary importance and the second place;
When this releasing device was positioned at primary importance, an end of this elastic positioning device can optionally be positioned at the draw-in groove of screwdriver head, and screwdriver head is positioned in this drive bulk hole;
When this releasing device was positioned at the second place, screwdriver head was passed towards the outside of this drive hole by this releasing device, made the draw-in groove of the end disengaging screwdriver head of this elastic positioning device, made screwdriver head take out from this drive hole easily.
2. the bottle opener extension bar that takes off soon as claimed in claim 1; It is characterized in that; This drive hole has six adjacent driving planes that are 120 degree angles each other, forms a corner between said two adjacent driving planes, is equipped with a stopper slot 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 in the location division of this limiting section one end, and described limiting section is located in this stopper slot, and described location division extends into any corner in interior six corners of said drive hole;
When this releasing device is positioned at primary importance; The location division of this elastic positioning device extends into any corner in interior six corners of said drive hole; And this location division can optionally be positioned in the draw-in groove of screwdriver head, and screwdriver head is positioned in this drive bulk hole;
When this releasing device is positioned at the second place; This releasing device is passed screwdriver head towards the outside of this drive hole; Make the location division of this elastic positioning device break away from draw-in groove and the flexible place, end angle that is clamped in screwdriver head of screwdriver head; Screwdriver head can from this drive hole, not dropped because of gravitational attraction, and screwdriver head is pushed out the outer length of this drive hole simultaneously increases, and can also screwdriver head be taken out in drive hole.
3. the bottle opener extension bar that takes off soon as claimed in claim 2; It is characterized in that the limiting section of this elastic positioning device has one, the location division of this elastic positioning device has two; Described two location divisions are located at the two ends of this limiting section respectively, the c-shaped substantially clasp shape of described elastic positioning device.
4. the bottle opener extension bar that takes off soon as claimed in claim 3; It is characterized in that; Have a distance between the two relative corners in the said drive hole, the bottom of this stopper slot has an internal diameter, and the distance in the said drive hole between the two relative corners is less than the internal diameter of stopper slot bottom; This elastic positioning device is under nature; The inboard of described two location divisions extends into the corner of this drive hole, and an inboard formed spacing of said two location divisions is less than the distance between the two relative corners in the said drive hole, and described two location divisions can be held on the draw-in groove place at two end opposite angles of screwdriver head.
5. like each described bottle opener extension bar that takes off soon in the claim 1 to 4; It is characterized in that; 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 one respectively and be exposed to the outer control part of this body slip hole, can make the slippage in the slip hole of this body of this control piece via this control part of operation.
6. the bottle opener extension bar that takes off soon as claimed in claim 5 is characterized in that, the outer surface that said body drives section has an external diameter, and the control part of this control piece does not exceed the external diameter that body drives the section outer surface.
7. the bottle opener extension bar that takes off soon as claimed in claim 6; It is characterized in that; The outer surface that said body drives section is provided with the storage tank that is 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 drivings section outer surface.
8. like each described bottle opener extension bar that takes off soon in the claim 1 to 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, and described pushing part has a diameter, and the diameter of said pushing part is less than the diameter of this slip hole; Make this pushing part in this slip hole, produce the axial slip action by the axis along this body; After screwdriver head inserted this drive hole, the tail end of screwdriver head made the pushing part rear side directly be resisted against the rear side of this slip hole directly against this pushing part front side.
9. like each described bottle opener extension bar that takes off soon in the claim 1 to 4, it is characterized in that, convex with at least one retaining portion in this drive bulk hole, described retaining portion is convexly set in and is away from the end face that this body drives section in this drive hole.
10. the bottle opener extension bar that takes off soon as claimed in claim 9 is characterized in that, described retaining portion has six, and said retaining portion is convexly equipped with the corner at this drive hole, this retaining portion can block at the place, end angle of screwdriver head.
11. like each described bottle opener extension bar that takes off soon in the claim 1 to 4, it is characterized in that, the cylindrical substantially shape of this body, the linkage section of this body is made as the hexagonal column, can accept Power of Spin 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 true CN102773825A (en) | 2012-11-14 |
| CN102773825B 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 |
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| Country | Link |
|---|---|
| CN (1) | CN102773825B (en) |
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| CN101259609A (en) * | 2007-03-07 | 2008-09-10 | 株式会社牧田 | Mounting devices for bit of rotating tool |
| US20090224492A1 (en) * | 2008-03-10 | 2009-09-10 | Jack Lin | Bit connector with quick release device |
| 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 |
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2011
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|---|---|---|---|---|
| US5884541A (en) * | 1993-04-08 | 1999-03-23 | Habermehl; G. Lyle | Socket for lever removal of screwdriver bit |
| US20060097464A1 (en) * | 2002-06-10 | 2006-05-11 | Martin Strauch | Chuck for receiving tools operated by rotating around the axis thereof |
| CN101259609A (en) * | 2007-03-07 | 2008-09-10 | 株式会社牧田 | Mounting devices for bit of rotating tool |
| US20090224492A1 (en) * | 2008-03-10 | 2009-09-10 | Jack Lin | Bit connector with quick release device |
| 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 |
|---|---|
| CN102773825B (en) | 2015-02-11 |
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