CN208289781U - A kind of integrated screwdriver - Google Patents

Abstract

The utility model discloses a kind of integrated screwdrivers, comprising: handle main body, runner main body and Ratchet body；First layer runner, second layer runner and third layer runner are provided in handle main body, runner main body, first layer runner, second layer runner, third layer runner pass sequentially through connecting rod and are connected, locating slot one, locating slot two are provided in connecting rod, positioning bead threaded hole is offered on runner main body, first layer runner and second layer runner, and positioning bead is installed in positioning bead threaded hole；The edge of first layer runner, second layer runner and third layer runner is interspersed with multiple screwdriver bits；Third layer runner head end is interspersed with extension bar, and one end of extension bar is provided with aperture, is equipped with magnet in aperture.The utility model is compact-sized, and simple to operate, improves working efficiency, there are many screwdriver bits for setting, and replacement is convenient and efficient, can satisfy the demand of various operations, in operation, a possibility that ensure that the user's palm is comfortable, reduce hand and arm injury.

Description

A kind of integrated screwdriver

Technical field

The utility model relates to mechanical manufacturing field, more particularly to a kind of integrated screwdriver.

Background technique

Nowadays, screwdriver almost has become the necessary article of every family, in the dismounting household electrical appliance that it can be convenient often The various screws seen.But there is many shortcomings for screwdriver on the market now, a lot of product qualities are unqualified, so that The practicability of the screwdriver does not obtain very big performance.Seen screwdriver major part screwdriver knife bar and screwdriver on the market Screwdriver bit is connected as one, therefore can only be used to dismount a kind of screw of fixation, alternative poor, in order to complete a dismounting work Make, to get out multiple screws knife in family, increase unnecessary expenditure, work at the same time low efficiency, is not suitable for general population；And The some multifunctional screw driver knife handles occurred on the market are separately filled with screwdriver bit, so that its volume is big, it may appear that inconvenient to carry, screwdriver bit The problems such as being easily lost；Simultaneously when dismantling circuit arrangement, if screwdriver placement is not right, it is possible to cause short circuit, give Family and individual bring big inconvenience, or even cause personal injury.

Therefore, the problem of how to provide a kind of multifunctional unit screwdriver becomes those skilled in the art's urgent need to resolve.

Utility model content

It is not only compact-sized, easy to carry in view of this, the present invention provides a kind of integrated screwdriver, Er Qiecao Make simple and convenient, raising working efficiency, and there are many screwdriver bits for setting, replacement is convenient and efficient, can satisfy the need of various operations It asks, in addition in operation, a possibility that ensure that the user's palm is comfortable, reduce hand and arm injury.

To achieve the goals above, the utility model adopts the following technical solution:

A kind of integrated screwdriver, comprising: handle main body, runner main body and Ratchet body；The runner main body is located at described The tail end of handle main body, and connect with the handle main body screw, the Ratchet body is set to the head end of the handle main body； First layer runner, second layer runner and third layer runner, the first layer runner, described second are provided in the handle main body Layer runner and the third layer roller centre are provided with connecting rod, the runner main body, the first layer runner, described second Layer runner, the third layer runner pass sequentially through the connecting rod and are connected, and it is fixed to be disposed with from top to bottom in the connecting rod Position slot one, locating slot two, offer positioning bead spiral shell on the runner main body, the first layer runner and the second layer runner Pit is equipped with the positioning bead being adapted to the locating slot one and the locating slot two in the positioning bead threaded hole；Described The edge of one layer of runner, the second layer runner and the third layer runner is interspersed with multiple screwdriver bits being axially arranged；It is described Third layer runner head end is interspersed with extension bar, and one end of the extension bar is provided with aperture, is equipped with magnet in the aperture.

The utility model utilizes handle main body idle space, is not only equipped with screwdriver bit common in a variety of daily lifes, meets Various job requirements, and the occupied space of screwdriver bit is saved, it carries more convenient；Screwdriver is according to ergonomics angle, knife Handle main body ensure that the user's palm is comfortable in the case where meeting torsion using streamlined, multi-thread big screw pitch lines, reduce A possibility that hand and arm injury；It is equipped with magnet in extension bar, adsorbs screwdriver bit, so that the installation of screwdriver bit is more convenient；Blade is adopted It is made with plastics+metal+rubber 3-layer composite material, guarantees the quality and safety of screwdriver；Three layers of runner upper and lower level need There is spacing, prevent screwdriver bit in third layer runner from falling, rotor design is quick-speed plug structure, screwdriver bit can be facilitated to take out；Every layer turns Wheel fills a variety of screwdriver bits as far as possible while proof strength, to adapt to different screws, meets various job requirements；In screwdriver Portion is furnished with the quick Ratchet body of large torque third gear, simple to operate, improves work efficiency.

Further, the screwdriver bit bottom surface matches with the aperture of the extension bar and is regular hexagon, to prevent from criticizing Head rotates when in use.

Further, the positioning bead includes threaded cylindrical, positioning bead spring and positioning bead ball, described threaded cylindrical one end Hexagonal hole in positioning bead is offered, the other end is interspersed with the positioning bead spring, positioning bead ball one end and the positioning The fitting of pearl spring, the other end are fitted closely with the connecting rod.Positioning bead is by threaded cylindrical, positioning column spring and positioning bead ball It constitutes, is not only simple in structure, it is easy to operate, and pass through the conveniently adjusted runner main body of positioning bead, first layer runner and second In addition the extension elongation of layer runner can be adjusted runner main body, first layer runner, the second layer and be turned by hexagonal hole in positioning bead The elasticity connected between wheel, third layer runner.

Further, the Ratchet body includes telescoping mechanism, ratchet shaft, ratchet gear, ratchet shell, ratchet shift connection Disk, right pawl, left pawl and pawl shell；The ratchet shell is connected with the right pawl by ratchet shift terminal pad With the left pawl；The telescoping mechanism is interspersed in the center of the ratchet shell, and the telescoping mechanism is sheathed on institute One end of ratchet shaft is stated, the ratchet gear is sheathed on the middle position of the ratchet shaft, is equipped with and institute on the inside of the right pawl The right pawl gear that ratchet gear is meshed is stated, is equipped with the left pawl tooth being meshed with the ratchet gear on the inside of the left pawl Wheel；The right pawl and the left pawl are assembled in the groove of the pawl shell head end.Ratchet body is set to screw The head end of knife, Ratchet body use the quick ratchet of large torque third gear, working efficiency can be improved；Ratchet shift terminal pad tail end end face It is in contact with ratchet gear head end end face, effectively prevents ratchet shift terminal pad play backward.

Further, the telescoping mechanism includes telescoping mechanism main body, telescoping mechanism spring and telescoping mechanism adapter sleeve, described Telescoping mechanism adapter sleeve is sheathed on the ratchet shaft head end, and is interference fitted and connects with the ratchet shaft, the telescoping mechanism master Body head end is sheathed on the telescoping mechanism adapter sleeve, and tail end is sheathed on the ratchet shaft；The telescoping mechanism spring is interspersed In the tail end of the telescoping mechanism main body.The setting of telescoping mechanism, facilitates extension bar to turn around, and length adjustment can be realized, operation It is simple and convenient；Telescoping mechanism adapter sleeve is sheathed on ratchet shaft head end, and is interference fitted and connects with ratchet shaft, it is therefore prevented that telescoping mechanism Main body play forward.

Further, the ratchet shift terminal pad tail end is provided with ratchet course changing control block, ratchet limiting steering block and spine Take turns steering lock groove.By the mutual cooperation of ratchet shift terminal pad and right pawl, left pawl and pawl shell, it can be achieved that spine The adjusting of wheel body third gear shift.

Further, the right pawl top is provided with right pawl inclined-plane, and the right pawl inclined-plane and the ratchet, which turn to, to be controlled The right end of clamp dog contacts, and the right pawl bottom end is provided with right ratchet spring, and the right ratchet spring and the pawl shell are first The groove floor at end is in contact；The left pawl top is provided with left pawl inclined-plane, and the left pawl inclined-plane and the ratchet turn It is contacted to the left end of control block, the left pawl bottom end is provided with left pawl spring, outside the left pawl spring and the pawl The groove floor of shell head end is in contact.

Further, it is provided with ratchet upper limit plane and ratchet lower limit plane at the pawl shell leading edge, when described In when locking is loosened clockwise counterclockwise, the ratchet limiting steering block bottom end connects Ratchet body with the ratchet lower limit plane Touching；When the Ratchet body, which is in, loosens locking clockwise counterclockwise, the ratchet limiting steering block top and the ratchet Upper limit face contact.

Further, it is provided with circular hole on the pawl shell head end end face, ratchet steering lock is installed in the circular hole Spring, the ratchet steering lock spring head end are provided with ratchet steering lock ball, the ratchet steering lock ball and institute State the mating connection of ratchet steering lock groove.

Further, the ratchet shaft middle position and tail end are provided with positioning jump ring, the ratchet shaft middle position Place the positioning jump ring be in contact with the head end of the ratchet shell, the positioning jump ring of the ratchet shaft tail end with it is described The tail end of pawl shell is in contact.Both ratchet shell play forward had been prevented, pawl shell play backward is in turn avoided.

Further, knife bar positioning groove is provided on the extension bar, it is fixed with the knife bar to be equipped on the ratchet shaft The compatible knife bar detent ball of position groove, by the cooperation of knife bar positioning groove and knife bar detent ball, it can be achieved that extension bar The change of different length.

Further, the handle main body head end is provided with reinforcing hole, reduces the sliding of hand, makes one to be easier to make power.

Further, the screwdriver bit forges screwdriver bit using S2 steel alloy, keeps screwdriver bit hardness higher, toughness is more preferable, sturdy and durable.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also Other attached drawings can be obtained according to the attached drawing of offer.

Fig. 1 attached drawing is the structural schematic diagram of the utility model.

Installation diagram of Fig. 2 attached drawing between the utility model runner main body, Ratchet body and extension bar.

Fig. 3 attached drawing is the utility model handle main body opening state schematic diagram.

Fig. 4 attached drawing is the utility model handle main body closed mode schematic diagram.

Fig. 5 attached drawing is the decomposition diagram of the utility model extension bar.

Fig. 6 attached drawing is the decomposition diagram of the utility model positioning bead.

Fig. 7 attached drawing is the decomposition diagram of the utility model Ratchet body.

Fig. 8 attached drawing is the utility model first layer rotaring wheel structure schematic diagram.

Fig. 9 attached drawing is the utility model second layer rotaring wheel structure schematic diagram.

Figure 10 attached drawing is the utility model third layer rotaring wheel structure schematic diagram.

Wherein, in figure,

1- handle main body；2- runner main body；3- Ratchet body；4- tail-hood；5- first layer runner；6- second layer runner；7- Third layer runner；8- extension bar；9- aperture；10- magnet；11- buffers circlip；12- knife bar positioning groove；13- tail-hood non-slip groove； 14- connecting rod；15- positioning bead；16- positioning bead threaded hole；17- screwdriver bit；18- threaded cylindrical；19- locating slot one；20- locating slot Two；21- positioning bead ball；22- positioning column spring；Hexagonal hole in 23- positioning column；24- telescoping mechanism main body；25- telescoping mechanism Spring；26- telescoping mechanism adapter sleeve；27- knife bar detent ball；28- ratchet gear；29- positioning jump ring；30- ratchet shaft；31- Ratchet shell；32- ratchet shift terminal pad；33- ratchet course changing control block；34- ratchet limiting steering block；35- ratchet steering lock Into groove；The right pawl of 36-；The right pawl inclined-plane 37-；The right pawl gear of 38-；The right ratchet spring of 39-；40- left pawl；The left spine of 41- Pawl inclined-plane；42- left pawl gear；43- left pawl spring；44- ratchet steering lock ball；45- ratchet steering lock spring； 46- pawl shell；47- ratchet upper limit plane；48- ratchet lower limit plane；49- reinforces hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Attached drawing 1-10 is please referred to, the utility model provides a kind of integrated screwdriver, comprising: handle main body 1, runner main body 2 and Ratchet body 3；Runner main body 3 is located at the tail end of handle main body 1, and is threadedly coupled with handle main body 1, and Ratchet body 3 is arranged In the head end of handle main body 2；Tail-hood 4 is provided in runner main body；First layer runner 5 is provided in handle main body 1, the second layer turns Wheel 6 and third layer runner 7, first layer runner 5, second layer runner 6 and 7 center of third layer runner are provided with connecting rod 14, turn Wheel body 2, first layer runner 5, second layer runner 6, third layer runner 7 pass sequentially through connecting rod 14 and are connected, in connecting rod 14 certainly It is upper and under be disposed with locating slot 1, locating slot 2 20, on runner main body 2, first layer runner 5 and second layer runner 6 Positioning bead threaded hole 16 is offered, the positioning being adapted to locating slot 1 and locating slot 2 20 is installed in positioning bead threaded hole 16 Pearl 15；The edge of first layer runner 5, second layer runner 6 and third layer runner 7 is interspersed with multiple screwdriver bits 17 being axially arranged； 17 head end of third layer runner is interspersed with extension bar 8, and one end of extension bar 8 is provided with aperture 9, and 10 He of magnet is equipped in aperture 9 Circlip 11 is buffered, buffering circlip 11 is located at the outside of magnet 10.

17 bottom surface of screwdriver bit matches with the aperture 9 of extension bar 8 and is regular hexagon, to prevent screwdriver bit 17 from occurring when in use Rotation.

Positioning bead 15 includes threaded cylindrical 18, positioning bead spring 22 and positioning bead ball 21, and 18 one end of threaded cylindrical opens up There are hexagonal hole 23 in positioning bead, the other end is interspersed with positioning bead spring 22, and 21 one end of positioning bead ball and positioning bead spring 22 paste It closes, the other end is fitted closely with connecting rod 8.Positioning bead 15 is by 21 structure of threaded cylindrical 18, positioning column spring 22 and positioning bead ball At, it is not only simple in structure, it is easy to operate, and pass through the conveniently adjusted runner main body 2 of positioning bead 15, first layer runner 5 and the In addition runner main body 2, first layer runner 5, the can be adjusted by hexagonal hole 23 in positioning bead in the extension elongation of two layers of runner 6 The elasticity connected between two layers of runner 6, third layer runner 7.

Ratchet body 3 includes telescoping mechanism, ratchet shaft 30, ratchet gear 28, ratchet shell 31, ratchet shift terminal pad 32, right pawl 36, left pawl 40 and pawl shell 46；Ratchet shell 31 is connected with right pawl 36 by ratchet shift terminal pad 32 With left pawl 40；Telescoping mechanism is interspersed in the center of ratchet shell, and telescoping mechanism is sheathed on one end 30 of ratchet shaft, spine Wheel gear 28 is sheathed on the middle position of ratchet shaft 30, is equipped with the right pawl teeth being meshed with ratchet gear 28 on the inside of right pawl 36 38 are taken turns, is equipped with the left pawl gear 42 being meshed with ratchet gear 28 on the inside of left pawl 40；Right pawl 36 and left pawl 40 fill It is assigned in the groove of 46 head end of pawl shell.Ratchet body 3 is set to the head end of screwdriver, and Ratchet body 3 uses large torque three The quick ratchet of shelves, can be improved working efficiency；Ratchet shift 32 tail end end face of terminal pad is in contact with 28 head end end face of ratchet gear, Effectively prevent ratchet shift terminal pad 32 play backward.

Telescoping mechanism includes telescoping mechanism main body 24, telescoping mechanism spring 25 and telescoping mechanism adapter sleeve 26, telescoping mechanism Adapter sleeve 26 is sheathed on 30 head end of ratchet shaft, and is interference fitted and connects with ratchet shaft 30, and 24 head end of telescoping mechanism main body is sheathed on On telescoping mechanism adapter sleeve 26, tail end is sheathed on ratchet shaft 30；Telescoping mechanism spring 25 is interspersed in telescoping mechanism main body 24 Tail end.The setting of telescoping mechanism facilitates extension bar 8 to turn around, and length adjustment can be realized, simple to operate；Telescoping mechanism is tight Admittedly set 26 is sheathed on 30 head end of ratchet shaft, and is interference fitted and connects with ratchet shaft 30, it is therefore prevented that telescoping mechanism main body 24 is altered forward It is dynamic.

Ratchet shift 32 tail end of terminal pad is provided with ratchet course changing control block 33, ratchet limiting steering block 34 and ratchet and turns to Lock groove 35.It, can be real by the mutual cooperation of ratchet shift terminal pad 32 and right pawl 36, left pawl 40 and pawl shell 46 The adjusting of existing 3 third gear of Ratchet body shift.

Right 36 top of pawl is provided with right pawl inclined-plane 37, and the right end on right pawl inclined-plane 37 and ratchet course changing control block 33 connects Touching, right 36 bottom end of pawl are provided with right ratchet spring 39, and right ratchet spring 39 connects with the groove floor of 46 head end of pawl shell Touching；40 top of left pawl is provided with left pawl inclined-plane 41, and left pawl inclined-plane 41 is contacted with the left end of ratchet course changing control block 33, left 40 bottom end of pawl is provided with left pawl spring 43, and left pawl spring 43 is in contact with the groove floor of 46 head end of pawl shell.

Ratchet upper limit plane 47 and ratchet lower limit plane 48 are provided at 46 leading edge of pawl shell, when Ratchet body 3 When loosening clockwise in locking counterclockwise, 34 bottom end of ratchet limiting steering block is contacted with ratchet lower limit plane 48；As ratchet master In when loosening locking clockwise counterclockwise, 34 top of ratchet limiting steering block contacts body 3 with ratchet upper limit plane 47.

Pawl shell is provided with circular hole on 46 head end end face, and ratchet steering lock spring 45 is equipped in circular hole, and ratchet turns 45 head end of locking spring is provided with ratchet steering lock ball 44, ratchet steering lock ball 44 and ratchet steering lock groove 35 are cooperatively connected.

30 middle position of ratchet shaft and tail end are provided with positioning jump ring 29, the positioning card of 30 middle position of ratchet shaft Spring 29 is in contact with the head end of ratchet shell 31, and the positioning jump ring 29 of 30 tail end of ratchet shaft connects with the tail end of pawl shell 46 Touching.Both the play forward of ratchet shell 31 had been prevented, the play backward of pawl shell 46 is in turn avoided.

Ratchet body shift principle:

Bidirectional locking: ratchet shell 31 and ratchet shift terminal pad 32 are in intermediate state, ratchet commutation control block 33 It is contacted with right pawl inclined-plane 37 and left pawl inclined-plane 41, ratchet limiting steering block 34 and ratchet upper limit plane 47 and ratchet lower limit Face 48 does not contact, and ratchet steering lock ball 44 and ratchet turn to the intermediate groove cooperation for being locked into groove 35, right ratchet spring 39 Relaxation state, right pawl gear 38 and left pawl gear 42 are in left pawl spring 43 and ratchet gear 28 is in contact shape State.

Locking is loosened clockwise counterclockwise: ratchet shell 31, which rotates clockwise, to be driven ratchet shift terminal pad 32 while revolving Turn, while 34 lower end of ratchet limiting steering block is contacted with ratchet lower limit plane 48.Ratchet steering lock spring 45 is tight simultaneously, spine Wheel steering lock ball 44 and ratchet steering are locked into the cooperation of the right slot of groove 35.33 right side of ratchet course changing control block and right pawl simultaneously Inclined-plane 37 contacts, and right pawl 36 moves down, and right ratchet spring 39 is tight, and right pawl gear 38 is separated with ratchet gear 28.Together When ratchet steering lock spring 45 loosen and prevent from springing back.

Loosen locking clockwise counterclockwise: rotation drives ratchet shift terminal pad 32 while revolving ratchet shell 31 counterclockwise Turn, while 34 upper end of ratchet limiting steering block is contacted with ratchet upper limit plane 47.Ratchet steering lock spring 45 is tight simultaneously, spine Wheel steering lock ball 44 and ratchet steering are locked into the cooperation of 35 left groove of groove.33 left side of ratchet course changing control block and left spine simultaneously Pawl inclined-plane 41 contacts, and left pawl 40 moves down, and left pawl spring 43 is tight, and left pawl gear 42 is separated with ratchet gear 28. Ratchet steering lock spring 45 loosens and prevents from springing back simultaneously.

It is provided with knife bar positioning groove 12 on extension bar 8, is equipped on ratchet shaft 30 and is adapted with knife bar positioning groove 12 Knife bar detent ball 27, by knife bar positioning groove 12 from the cooperation of knife bar detent ball 27, it can be achieved that extension bar 8 is different long The change of degree.

1 head end of handle main body is provided with reinforcing hole 49, reduces the sliding of hand, makes one to be easier to make power.

Screwdriver bit 17 forges screwdriver bit using S2 steel alloy, keeps screwdriver bit hardness higher, toughness is more preferable, sturdy and durable.

Handle main body 1 is designed to streamline curve by the utility model, when being preferably bonded manpower and holding handle main body 1 Contact area increase by 1 rear portion lug boss of handle main body so that slightly long will not give the uncomfortable feeling of people using the time Point, it is more bonded palm, and increase reinforcing hole 49 at thumb, reduces hand sliding.1 maximum gauge 33mm of handle main body, Maximum and smallest end spacing is 87mm, holds finger at 1 smallest end of handle main body, and has preferably been bonded manpower and has held Firmly contact area when handle main body 1；In addition, being provided with tail-hood non-slip groove 13 on tail-hood 4, antiskid effect is further increased.

The utility model utilizes 1 idle space of handle main body, is not only equipped with screwdriver bit common in 23 kinds of daily lifes, meets Various job requirements, and tool magazine space is saved, it carries more convenient；Screwdriver is according to ergonomics angle, holder main body 1 Ensure that the user's palm is comfortable in the case where meeting torsion using streamlined, multi-thread big screw pitch lines, reduce hand and A possibility that arm injury；It is equipped in extension bar 8 such as iron canopy strong magnets 10, absorption screwdriver bit 17, so that the installation of screwdriver bit 17 is more It is convenient；The shell of handle main body 1 is made using plastics+metal+rubber 3-layer composite material, guarantees the quality and safety of screwdriver Property；Three layers of runner upper and lower level need spacing, prevent screwdriver bit in third layer runner 7 from falling, and rotor design is quick-speed plug structure, Screwdriver bit 17 can be facilitated to take out；Every layer of runner fills a variety of screwdriver bits as far as possible while proof strength, full to adapt to different screws The various job requirements of foot；It is furnished with the quick Ratchet body 3 of large torque third gear in the middle part of screwdriver, it is simple to operate, improve work Efficiency.

Utility model works principle:

When filling screw in people's screw chamber when tightening up a screw, back-outs each layer runner in runner main body 2 and holder main body 1, take Matched screwdriver bit 17 is selected in extension bar 8 out, each layer runner in runner main body 2 and holder main body 1 is closed, by screw In target, hand turns holder main body 1 on pinnacle.

When unloading screw, the right hand holds screwdriver, and the palm of the hand resists holder main body 1, allows screw edge of a knife end and bolt or screw slots Mouth turns holder main body 1 in vertically identical state.

When starting to unscrew or finally tighten, screwdriver is reversed with hand force again after firmly compressing screwdriver；Work as bolt After loosening, the palm of the hand can be made gently to press holder main body 1, with thumb, middle finger and index finger quick rotation screwdriver.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part It is bright.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (10)

1. a kind of integrated screwdriver, comprising: handle main body, runner main body and Ratchet body；The runner main body is located at described The tail end of handle main body, and connect with the handle main body screw, the Ratchet body is set to the head end of the handle main body；Its It is characterized in that, first layer runner, second layer runner and third layer runner are provided in the handle main body, and the first layer turns Wheel, the second layer runner and the third layer roller centre are provided with connecting rod, and the runner main body, the first layer turn Wheel, the second layer runner, the third layer runner pass sequentially through the connecting rod be connected, in the connecting rod from top to bottom according to It is secondary to be provided with locating slot one, locating slot two, it is opened up on the runner main body, the first layer runner and the second layer runner There is positioning bead threaded hole, the positioning being adapted to the locating slot one and the locating slot two is installed in the positioning bead threaded hole Pearl；The edge of the first layer runner, the second layer runner and the third layer runner, which is interspersed with, multiple to be axially arranged Screwdriver bit；The third layer runner head end is interspersed with extension bar, and one end of the extension bar is provided with aperture, installation in the aperture There is magnet.

2. a kind of integrated screwdriver according to claim 1, which is characterized in that the positioning bead includes threaded cylindrical, determines Position pearl spring and positioning bead ball, described threaded cylindrical one end offer hexagonal hole in positioning bead, and the other end is interspersed with described fixed Position pearl spring, positioning bead ball one end are bonded with the positioning bead spring, and the other end is fitted closely with the connecting rod.

3. a kind of integrated screwdriver according to claim 1, which is characterized in that the Ratchet body include telescoping mechanism, Ratchet shaft, ratchet gear, ratchet shell, ratchet shift terminal pad, right pawl, left pawl and pawl shell；The ratchet shell The right pawl and the left pawl are connected with by ratchet shift terminal pad；The telescoping mechanism is interspersed in the ratchet The center of shell, and the telescoping mechanism is sheathed on one end of the ratchet shaft, the ratchet gear is sheathed on the spine The middle position of wheel shaft, the right pawl inside are equipped with the right pawl gear being meshed with the ratchet gear, the left pawl Inside is equipped with the left pawl gear being meshed with the ratchet gear；The right pawl and the left pawl are assembled to the spine In the groove of pawl shell head end.

4. a kind of integrated screwdriver according to claim 3, which is characterized in that the telescoping mechanism includes telescoping mechanism master Body, telescoping mechanism spring and telescoping mechanism adapter sleeve, the telescoping mechanism adapter sleeve are sheathed on the ratchet shaft head end, and with institute Ratchet shaft interference fit connection is stated, the telescoping mechanism main body head end is sheathed on the telescoping mechanism adapter sleeve, and tail end is arranged In on the ratchet shaft；The telescoping mechanism spring is interspersed in the tail end of the telescoping mechanism main body.

5. a kind of integrated screwdriver according to claim 3, which is characterized in that the ratchet shift terminal pad tail end setting There are ratchet course changing control block, ratchet limiting steering block and ratchet steering lock groove.

6. a kind of integrated screwdriver according to claim 3, which is characterized in that the right pawl top is provided with right pawl Inclined-plane, the right pawl inclined-plane are contacted with the right end of the ratchet course changing control block, and the right pawl bottom end is provided with right pawl Spring, the right ratchet spring are in contact with the groove floor of the pawl shell head end；The left pawl top is provided with a left side Pawl inclined-plane, the left pawl inclined-plane are contacted with the left end of the ratchet course changing control block, and the left pawl bottom end is provided with a left side Ratchet spring, the left pawl spring are in contact with the groove floor of the pawl shell head end.

7. a kind of integrated screwdriver according to claim 3 or 6, which is characterized in that at the pawl shell leading edge It is provided with ratchet upper limit plane and ratchet lower limit plane, when the Ratchet body, which is in, locks clockwise loosen counterclockwise, institute State ratchet limiting steering block bottom end and the ratchet lower limit face contact；Loosen counterclockwise clockwise when the Ratchet body is in When locking, the ratchet limiting steering block top and the ratchet upper limit face contact.

8. a kind of integrated screwdriver according to claim 7, which is characterized in that be arranged on the pawl shell head end end face There is circular hole, ratchet steering lock spring is installed in the circular hole, the ratchet steering lock spring head end is provided with ratchet and turns To locking ball, the ratchet steering lock ball and the ratchet steering lock groove are cooperatively connected.

9. a kind of integrated screwdriver according to claim 3 or 8, which is characterized in that the ratchet shaft middle position and Tail end is provided with positioning jump ring, the positioning jump ring and the head end phase of the ratchet shell of the ratchet shaft middle position Contact, the positioning jump ring of the ratchet shaft tail end are in contact with the tail end of the pawl shell.

10. a kind of integrated screwdriver according to claim 1, which is characterized in that it is fixed to be provided with knife bar on the extension bar Position groove, is equipped with knife bar detent ball compatible with the knife bar positioning groove on the ratchet shaft.