CN2501646Y

CN2501646Y - Fast driving structure of screw driver

Info

Publication number: CN2501646Y
Application number: CN 01253673
Authority: CN
Inventors: 蔡炯樟
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-14
Filing date: 2001-09-14
Publication date: 2002-07-24
Anticipated expiration: 2011-09-14

Abstract

A fast rotation-driven structure for a screwdriver comprises a connecting bar, a grab handle, a regulation set and a rotation-driven mechanism. The regulation set and the rotation-driven mechanism are arranged on one end where the connecting bar and the grab handle are in combined connection, and the rotation-driven mechanism is fixed to one body with the connecting bar, which comprises a fixed ring, a big gear, a plurality of small gears and a braking element, wherein the fixed ring is sleeved on a proper position of a surrounding surface of an external sleeve body, and the braking element is fixed on an end part of the external body, and an inner edge of the braking element is hollow and is provided with latches in a ring, and the big gear and the small gear are pivot arranged in the latches and being meshed together, and an outer edge of the braking element is provided with a plurality of pushing-stopping parts in concave and convex alternation, and the pushing-stopping parts are nested with locking grooves of the grab handle, which drives a bar body to rotate in the same direction whatever direction the grab handle is rotated.

Description

Screwdriver turn structure fast

Technical field

The utility model relates to screwdriver, and being meant especially a kind ofly can increase the structure that screwdriver turns efficient.

Background technology

By prior art as can be known, general traditional screwdriver is when using, turn clockwise or counterclockwise no matter be, after if screwdriver rotates an angle, user's hand is after often counter-clockwise direction is turned round an angle again, can continue the operation of screw lock again, and the pause that this inverse transform is manually done, not only must make user's bimanualness, simultaneously, more cause the low of inconvenience in the use and efficient, for this reason, just the someone creates a kind of convenient screwdriver that uses, this kind screwdriver system makes " sleeving connecting rod " of two ends to be the socket join structure that separates with " lever ", and one " regulation and control group " is set between this sleeving connecting rod and lever, make screwdriver when using, only can do effective rotation of single direction, and the invalid rotation of other direction, then with replying the angle of normally pulling so that the operator grips the angle of screwdriver, use the disappearance when improving the conventional screw-driver in order use, so, though the screwdriver of this kind improvement is commonly used creation tool practicality in the use, only, for the user who stresses service efficiency, this one commonly uses creation and still can't reach quick operating efficient in use, that is, when user's hand turned round normal angled, screwdriver system was in idling conditions, and can't increase the efficient of use really, still have the necessity that is improved in fact.

Summary of the invention

Main purpose of the present utility model, be to solve the above problems and a kind of screwdriver is provided turn structure fast, it can make screwdriver because of user's hand turns round an angle when being in idling conditions, still can possess the screw lock effect.

For reaching above-mentioned purpose, the utility model screwdriver turn structure fast, it comprises an extension bar, a lever, a regulation and control group, an and driving rotation mechanism, wherein, this regulation and control group system turns dish, axle sleeve, some axles and outer sleeve body by one and is formed, be used to control the rotation direction of this extension bar, itself and driving rotation mechanism system is located at this extension bar and the lever end that is connected with group, and make this driving rotation mechanism be contained by lever, its characteristics are: this extension bar forms a blocking part in the suitable place of an end of this driving rotation mechanism of socket system, and this blocking part system cuts to establish and is two relative planes; This lever inner edge system forms an accommodation space, and the internal face place of this accommodation space and ring are established the some draw-in grooves that are concavo-convex interval; This driving rotation mechanism comprises a retainer ring, one gear wheel, some pinions and a brake component, wherein, fixedly ring system is sheathed on the suitable place of this outer sleeve body outer peripheral face, the operation of turning in order to auxiliary driving rotation mechanism, and this brake component inner edge hollow and be equipped with latch, just can be pivoted wherein and be meshing with each other for this gear wheel and pinion, then concavo-convex of its outer rim is provided with some stop sections, these stop section systems can be nested with the draw-in groove of this lever, again, this gear wheel inner edge is to convex with two relative projections for the suitable place of internal face that this extension bar one end wears, this two projection also by chance connects with the blocking part of this extension bar, must drive this extension bar interlock when making the driving rotation mechanism start.

Description of drawings

Above-mentioned and other purpose of the present utility model and advantage are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.

Fig. 1 is a combination schematic appearance of the present utility model.

Fig. 2 is a perspective exploded view of the present utility model.

Fig. 3 is a combination generalized section of the present utility model.

Fig. 4 is another combination generalized section of the utility model.

Fig. 5 is the utility model stereoscopic motion schematic diagram.

Fig. 6 A-6B is that the utility model and located by prior art lock are established by spiral lock comparison schematic diagram, and Fig. 6 A represents the utility model, and Fig. 6 B is a located by prior art.

Fig. 7 is the schematic appearance of another embodiment kenel of the utility model.

Fig. 8 is the decomposing schematic representation of another embodiment kenel of the utility model.

Fig. 9 is a combination generalized section of the present utility model.

Figure 10 is another combination generalized section of the utility model.

Figure 11 is another embodiment direction control generalized section of the utility model.

Figure 12 is that another embodiment direction of the utility model is adjusted action diagram.

Figure 13 is the detailed combination section of another embodiment of the utility model.

The specific embodiment

See also Fig. 1-Figure 13, person shown in the figure is the structure of the selected a kind of embodiment of the utility model, and this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.

See also Fig. 1-shown in Figure 4, the utility model screwdriver turn structure fast, it comprises an extension bar 10, a lever 20, a regulation and control group 30, and a driving rotation mechanism 40, wherein:

This extension bar 10 is a stock body, and an end forms a socket 11, and in order to socket hex(agonal)screw head, end formation one Fixed Division 12 and blocking part 13 usefulness set firmly for this regulation and control group 30 and driving rotation mechanism 40 in addition.

This lever 20 is to be connected with group with this extension bar 10, and its inner rim system forms an accommodation space 21, and this accommodation space 21 is ccontaining for this regulation and control group 30 and driving rotation mechanism 40.

This regulation and control group 30 is made up of an adjustment dish 31, axle sleeve 32, some axles 33 and an outer sleeve body 34, springing part 35, be used to control the rotation direction of this extension bar 10, wherein this axle sleeve 32 outer peripheral faces system offers the axial trough 321 that is installed with for these axles 33, these outer sleeve body 34 inner edge surfaces then offer some location arc groove 341 for these axle 33 clips, because of these structures is known technology, no longer add and give unnecessary details, and of the present utility model being characterised in that:

The blocking part 13 of this extension bar 10 is to cut to establish to be two relative planar structures.

The accommodation space 21 internal face places of these lever 20 inner edges ring in addition establish the some draw-in grooves 22 that are concavo-convex interval.

This driving mechanism 40 comprises a retainer ring 41, a gear wheel 42, some pinions 43 and a brake component 44, and cover and be hubbed at this extension bar 10 1 ends by a shrouding disc 45, chassis 46 lids, wherein:

These retainer ring 41 outer rims are formed with embossing, just can be sheathed on the suitable place of these outer sleeve body 34 outer peripheral faces, the operation of turning in order to auxiliary driving rotation mechanism 40, again, these outer sleeve body 34 outer rims also can be convexly equipped with the spaced abaculus 342 of ring-type for this solid side face place of retainer ring 41 covers, and the inner edge wall place of this retainer ring 41, the also corresponding caulking groove 411 that is embedded mutually that forms, mat make increases the sheathed steadiness of retainer ring 41.

This brake component 44 is rounded body, its inner rim hollow also is equipped with latch 441 in internal face, just can be pivoted wherein for this gear wheel 42 and pinion 43, and be meshing with each other, its outer rim then is provided with some stop sections 442 between concave, convex, these stop sections 442 are to be nested with the draw-in groove 22 of this lever 20, make lever 20 must drive this driving rotation mechanism 40 and rotate.

This gear wheel 43 and pinion 43 are to be the structure that is meshed to be hubbed at this brake component 44 inner edges, wherein, these gear wheel 42 inner edge hollows can wear for these extension bar 10 1 ends, and the suitable place of its inner rim wall also convexes with two relative projections 421, this two projection 421 by chance must be resisted against blocking part 13 places of this extension bar 10, when mat makes driving rotation mechanism 40 starts, must drive this extension bar 10 interlock simultaneously.

In view of the above, the member that mat is above-mentioned, when lever 20 idle running, must drive this driving mechanism 40 runnings, the relation that this driving mechanism 40 then utilizes latch 441, gear wheel 42, pinion 43 oppositely to move in turn to each other, the rotation that makes this extension bar 10 produce effective start direction synchronously is no matter use the rotation that makes lever 20 make that direction, all can make extension bar 10 do unidirectional turning, and then increase the service efficiency of screwdriver.

From the above mentioned as can be known, the characteristics system that the utility model uses, when the hand that rotates because of the user when screwdriver must revolution one angle be in idling conditions, this screwdriver still is in the screw lock operation of effective start, and avoid manpower, waste on time and the efficient, certainly, the most important thing is, because screwdriver of the present utility model when being in idling conditions, still possesses effective screw lock start, therefore, as Fig. 6 A and with reference to shown in Figure 5, under the same conditions, rotating again one stroke after the moving angle of the utility model revolution, the screwdriver that can commonly use has more screw lock efficient, and has more practicality.

In addition, please referring to Fig. 7-Figure 13, it is another embodiment creation of the present utility model, itself and the above-mentioned first embodiment maximum not this extension bar 10 of homology and 20 of levers are the rotation that can be an angle, simultaneously, in order to control the regulation and control group 30 of these extension bar 10 rotation directions, and be more easy structure, wherein, this lever 20 is provided with a folded part 23 in order to this extension bar 10 1 ends system of winding, this folded part 23 is to articulate by wearing its appropriate location and this lever 20 behind a screw rod 24 sheathed elastic components 25, make this extension bar 10 and lever 20 windings after, can do the bending of angle.

And another combining structure system that should regulation and control group 30 transfers firmware 36 by one, sleeve fixed ring 37 and this outer sleeve body 34 are formed, wherein should transfer firmware 36 inner edges system to form a hexagonal seat 361, and the internal perisporium face also is equipped with internal tooth 362, and lying in the outer peripheral face ring, this sleeve fixed ring 37 establishes fin 371, the inner edge side face then forms a left side in an end, right locating slot 372, hold the steel ball locating slot 373 that forms predetermined number in other, and this outer sleeve body 34 is offered a tank 343 in end outer peripheral face system, use for a spring 344 and steel ball 345 and be installed with, hold outer peripheral face then to cut open in addition and be provided with two parallel draw-in grooves 346, make two plectrums 38 can be located in this draw-in groove 346 places, and be to offer a breach 381 on this two plectrum 38, just can one elastomer 382 be set in these breach 381 places, when combination, these two plectrums, 38 1 ends can be stirred respectively and in this left side, conversion in the right locating slot 372, to control the left side of this extension bar 10, turn right, this steel ball 345 then can be embedded in the change with direction in arbitrary steel ball locating slot 373, and forms another kind of more simple and easy and practical regulation and control group 30.

From the above, this extension bar 10 forms hexagonal portion 14 in blocking part 13 appropriate locations systems, and this hexagonal portion 14 just can be sleeved in the hexagonal seat 361 of this accent firmware 36, and then can make this extension bar 10 be subjected to the drive of driving mechanism 40 and rotate.

The announcement of the above embodiment system is not in order to restriction the utility model in order to explanation the utility model, so the displacement of the change of numerical value or equivalence element must be subordinate to category of the present utility model such as.

Claims

1. a screwdriver turns structure fast, it comprises an extension bar, a lever, a regulation and control group, an and driving rotation mechanism, wherein, this regulation and control group system turns dish, axle sleeve, some axles and outer sleeve body by one and is formed, and is used to control the rotation direction of this extension bar, and itself and driving rotation mechanism are to be located at this extension bar and the lever end that is connected with group, and make this driving rotation mechanism be contained, it is characterized in that by lever:

This extension bar forms a blocking part in the suitable place of an end of this driving rotation mechanism of socket system, and this blocking part system cuts to establish and is two relative planes;

This lever inner edge system forms an accommodation space, and the internal face place of this accommodation space and ring are established the some draw-in grooves that are concavo-convex interval;

This driving rotation mechanism comprises a retainer ring, one gear wheel, some pinions and a brake component, wherein, fixedly ring system is sheathed on the suitable place of this outer sleeve body outer peripheral face, the operation of turning in order to auxiliary driving rotation mechanism, and this brake component inner edge hollow and be equipped with latch, just can be pivoted wherein and be meshing with each other for this gear wheel and pinion, then concavo-convex of its outer rim is provided with some stop sections, these stop section systems can be nested with the draw-in groove of this lever, again, this gear wheel inner edge is to convex with two relative projections for the suitable place of internal face that this extension bar one end wears, this two projection also by chance connects with the blocking part of this extension bar, must drive this extension bar interlock when making the driving rotation mechanism start.

2. screwdriver according to claim 1 turns structure fast, it is characterized in that this outer sleeve body outer rim also can be convexly equipped with the spaced abaculus of ring-type for the sheathed side face place of this retainer ring, and the inner edge wall place of this retainer ring, the also corresponding caulking groove that is embedded mutually that forms.

Screwdriver according to claim 1 turn structure fast, it is characterized in that more comprise a folded part, this folded part system is by articulating with this lever behind the sheathed elastic component of a screw rod, make this extension bar and lever winding after, can do the bending of angle.