CN109434737A - The stacked speeder wrench of multiple-blade - Google Patents

Abstract

The invention discloses a kind of stacked speeder wrenches of multiple-blade, the stacked speeder wrench of multiple-blade includes handle (1) and wrench body (2), wrench body (2) includes shell (21), synchronous actuator and multiple work packages, work package includes installation axle, driving wheel (23) and blade (22), one end of blade is mounted on driving wheel, one side of blade is working face (223), and working face is plane；The shaft of multiple driving wheels is along the circumferential direction uniformly distributed, it is stacked downwards between multiple blades, so that the working face of blade surrounds a working hole (24), working hole is positive polygonal hole, synchronous actuator can drive the driving wheel of each work package to rotate synchronously, so that working hole zooms in or out.The stacked speeder wrench of multiple-blade provided by the invention is easy to use, stablizes, and can quickly adjust internal diameter.

Description

The stacked speeder wrench of multiple-blade

Technical field

The present invention relates to a kind of spanner more particularly to a kind of multiple-blade of adjustable internal diameter is stacked quickly pulls Hand.

Background technique

Spanner is a kind of tool that bolt, screw, nut and the tight gripping member of other screw threads are twisted using lever principle.Spanner category In common installation and removal tool, in engineering field especially in mechanical engineering field, many places, which exist, to be threadedly coupled, because This is often required to use the disassembly that various spanners realize equipment in the assembly, maintenance and maintenance process of equipment.Traditional spanner point For inflexible hand and adjustable wrench, inflexible hand refers to the spanner of fixed number, such as open-end wrench and double offset ring spanner, extremely Wrench can not adjust the size of internal diameter, be only used for the bolt and nut of rotation specific dimensions.And the adjustable ruler of adjustable wrench It is very little, it is broadly divided into ratchet spanner and speeder wrench adds sleeve combination.

But above-mentioned inflexible hand and adjustable wrench are all not convenient enough.Inflexible hand and sleeve will take up space very much and not with a full set of specification Same specification needs to replace back and forth, and when use will carry heavy tool box.Ratchet spanner is because only that sandwich is very unstable And adjust trouble.

Summary of the invention

It is easy to use, stable the object of the present invention is to provide a kind of stacked speeder wrench of multiple-blade, and can be quick Adjust internal diameter.

To achieve the goals above, the present invention provides a kind of stacked speeder wrench of multiple-blade, the multiple-blade stackings Formula speeder wrench includes handle and the wrench body for being connected to described handle one end, and the wrench body includes shell, synchronous drive Moving part and the multiple work packages being mounted in the shell inner cavity offer through-hole on the shell；The work package packet Include installation installation axle on the housing, the driving wheel and blade being mounted in the installation axle, one end peace of the blade On the driving wheel, the driving wheel can be rotated around the shaft of the driving wheel relative to the shell, when the biography When wheel rotation, the blade can be rotated synchronously around the axis of the driving wheel with driving wheel, and one of the blade Side is working face, and the working face is plane；The shaft of the driving wheel of multiple work packages is along the circumferential direction uniformly distributed, more It is stacked downwards between the blade of a work package, so that the working face of the blade surrounds a working hole, it is described Working hole is positive polygonal hole, and the working hole can be located in the through-hole；The synchronous actuator can drive each work The driving wheel for making component rotates synchronously, and the blade being mounted on driving wheel rotates with it, so that the working hole zooms in or out.

Preferably, the quantity of the work package is 6, and the working hole is hexagonal hole.

Preferably, the shell includes the first lid for offering the first hole and the second lid for offering the second hole, and described the One lid and the second lid are fixed together, and the inner cavity of the shell is formed between first lid and second lid, described First hole and the second hole are coaxially disposed and form the through-hole.

Preferably, the shell further include it is multiple be fixed on first lid or the second bearing piece for covering, adjacent two All have the bearing piece between the driving wheel, two end faces of the bearing piece respectively with first lid and described second Lid fitting.

Preferably, the bearing piece is structure as a whole with first lid, and first lid is structure as a whole with the handle.

Preferably, driving cog is provided on the driving wheel, the synchronous actuator is internal gear, and the driving wheel is located at On the inside of the internal gear, the gear teeth of the internal gear are engaged with the driving cog of each driving wheel, outside the internal gear Periphery partly or entirely exposes the shell.

Preferably, multiple fins are evenly equipped on the outer circumference surface of the internal gear.

Preferably, the driving wheel includes wheel body and the locating piece that is fixed on the wheel body, is offered on the wheel body First mounting hole has the first positioning surface on the locating piece, offers mounting groove, first mounting hole on the locating piece Axis pass through the mounting groove；The blade includes blade body and the link block for being fixed on described blade body one end, the work Make face to be located on the blade body, the second positioning surface is provided on the blade body, the second installation is offered on the link block Hole, the link block are located in the mounting groove, and the installation axle passes through first mounting hole and the second mounting hole, and described the One positioning surface and second positioning surface fitting.

Preferably, driving cog is provided on the driving wheel, the synchronous actuator is intermediate gear, the intermediate gear Quantity it is identical as the quantity of driving wheel, be provided with an intermediate gear, the centre between two adjacent driving wheels Gear is engaged with two adjacent driving wheels, and the outer circumference surface of at least one intermediate gear exposes the shell.

Preferably, driving cog is provided on the driving wheel, the synchronous actuator is synchronous belt, and the synchronous belt is in ring Shape, the driving wheel are located on the inside of the synchronous belt, and the gear teeth of the synchronous belt and the driving cog of each driving wheel are nibbled It closes, the outer circumferential portion of the synchronous belt or all the exposing shell.

The present invention and the prior art the difference is that, the stacked speeder wrench of multiple-blade provided by the invention is by setting Multiple driving wheels are set, when synchronous actuator driving driving wheel rotates synchronously, are able to drive blade synchronization rotation thereon, thus So that the regular polygon working hole surrounded by the working face of the blade of setting stacked on top of one another zooms in or out, to adapt to different sizes Bolt or nut twist operation.Since the stacked speeder wrench of multiple-blade provided by the invention is by being located at blade one end The rotation of driving wheel driving blade, thus can stablize and be accurately controlled blade angle, to guarantee working hole when being sized It is always regular polygon shape, greatly improves job stability compared with the existing technology.Since all blades are all around biography The axis of driving wheel rotates, therefore in spanner in use, bolt or nut in it not will push blade rotation, without setting Other device latch blades.To sum up, the stacked speeder wrench of multiple-blade provided by the invention, it is easy to use, stablize, and can be with Quickly adjustment internal diameter.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the stacked speeder wrench of multiple-blade of preferred embodiment provided by the invention；

Fig. 2 is the main view of the stacked speeder wrench of multiple-blade shown in FIG. 1；

Fig. 3 is the enlarged view of the wrench body of the stacked speeder wrench of multiple-blade shown in Fig. 2；

Fig. 4 is the handle of the stacked speeder wrench of multiple-blade shown in FIG. 1 and the structural schematic diagram of the first lid；

Fig. 5 is the structural schematic diagram of the second lid of the stacked speeder wrench of multiple-blade shown in FIG. 1；

Fig. 6 is the structural schematic diagram of the driving wheel of the stacked speeder wrench of multiple-blade shown in FIG. 1；

Fig. 7 is the structural schematic diagram of the blade of the stacked speeder wrench of multiple-blade shown in FIG. 1；

Description of symbols:

1- handle；2- wrench body；21- shell；211- first is covered；212- second is covered；213- through-hole；The first hole 214-； The second hole 215-；216- bearing piece；22- blade；221- blade body；222- link block；223- working face；The second positioning surface of 224-； The second mounting hole of 225-；23- driving wheel；231- wheel body；232- locating piece；The first mounting hole of 233-；234- mounting groove；235- First positioning surface；236- driving cog；237- recessing groove；238- fixed block；24- working hole；25- internal gear.

Specific embodiment

The present invention is further described with embodiment with reference to the accompanying drawing.But the purposes of these exemplary embodiments and Purpose is only used to enumerate the present invention, not constitutes any type of any restriction to real protection scope of the invention, more non-to incite somebody to action Protection scope of the present invention is confined to this.

Some nouns of locality are defined in the present invention, refer to the stacked speeder wrench of multiple-blade provided by the invention normal Service condition is undefined, such as " inside and outside " refers to relative to inside and outside each components profile itself.These nouns of locality be in order to It is easy to understand and uses, because without constituting limiting the scope of the invention.

In the present invention, when components are referred to as " fixation " on another components, it can be directly anchored to another On a components, or there may also be components placed in the middle.When a components are considered as " connection " another components, It can be directly to another components or may be simultaneously present components placed in the middle.

Suitably with reference to shown in Fig. 1-3, the stacked speeder wrench of the multiple-blade of basic embodiment provided by the invention includes Handle 1 and the wrench body 2 for being connected to described 1 one end of handle.The wrench body 2 includes shell 21, synchronous actuator (example Such as internal gear) and multiple work packages for being mounted in 21 inner cavity of shell.Through-hole 213 is offered on the shell 21, it should Through-hole 213 up and down, can be by 213 sets of through-hole in wrench body 2 in the bolt or spiral shell twisted when using spanner On mother.

Refering to what is shown in Fig. 3, work package includes the installation axle being mounted on the shell 21, is mounted in the installation axle Driving wheel 23 and blade 22.One end of the blade 22 is mounted on the driving wheel 23.The installation axle can pass through axis It holds and is rotatably mounted on shell 21, driving wheel 23 is fixedly set in installation axle or installation axle is fixedly mounted on shell 21 On, driving wheel 23 is installed on the mounting shaft by bearing, so that the driving wheel 23 can surround the shaft of the driving wheel 23 It is rotated relative to the shell 21.When the driving wheel 23 rotation, since one end of blade 22 is mounted on driving wheel 23, from And the blade 22 can surround the axis of the driving wheel 23 as driving wheel 23 rotates synchronously.As shown in connection with fig. 7, the leaf One side of piece 22 is working face 223, and the working face 223 is plane.

Refering to what is shown in Fig. 3, the shaft of the driving wheel 23 of multiple work packages is along the circumferential direction uniformly distributed.Multiple working groups It is stacked downwards between the blade 22 of part, so that the working face 223 of the blade 22 is interlaced, surrounds a job Hole 24, the working hole 24 are positive polygonal hole.

The synchronous actuator can drive the driving wheel 23 of each work package to rotate synchronously, and be mounted on driving wheel 23 Blade 22 rotate with it so that the working hole 24 zooms in or out.The working hole 24 can be located at the through-hole 213 Interior, i.e., the described working hole 24 can both be located in through-hole 213 when being sized, and can also be external in through-hole 213, or packet Enclose the through-hole 213.

The stacked speeder wrench of multiple-blade that above-mentioned basic embodiment provides when in use, is twisted as needed first The size of bolt or nut adjusts the size of working hole 24, i.e., drives driving wheel by controlling synchronous actuator (such as internal gear) 23 rotate synchronously, and since each driving wheel 23 rotates identical angle simultaneously, each blade 22 also rotates with it identical Angle, while so that each interior angle of working hole 24 remains unchanged, the side length of working hole 24 changes, i.e. the size of working hole 24 It changes correspondingly, so that it is (to adjust the big of working hole with bolt or the equal in magnitude of nut that the size of working hole 24 is adjustable Hour, can both cover and be adjusted on bolt or nut, also may be adjusted to it is appropriately sized after covered on bolt or nut again)；So Rotational handle 1 afterwards drives 2 unitary rotation of wrench body, so as to twist bolt or nut.

In the present invention, since the number of edges of working hole 24 and the quantity of work package are identical, the work package Quantity can according to need the shape setting of the workpiece such as the bolt twisted or nut, such as can be 3,4,5 or more It is multiple.As a kind of more conventional selection, as shown in Figure 2 and Figure 3, the quantity of the work package is 6, the working hole 24 For hexagonal hole.

In one preferred embodiment, as shown in Figure 1, Figure 4, Figure 5, the shell 21 of wrench body 2 includes offering First lid 211 in the first hole 214 and the second lid 212 for offering the second hole 215, first lid 211 and the second lid 212 are solid Surely it links together, forms the inner cavity of the shell 21, first hole between first lid 211 and second lid 212 214 and second hole 215 be coaxially disposed and form the through-hole 213.

First lid 211 and the second lid 212 can be in tabular, be bolted to connection therebetween, bolt Boss can be set on bolt, to keep the inner cavity between the first lid 211 and the second lid 212.Alternatively, as shown in figure 4, described outer Shell 21 further includes multiple bearing pieces 216 being fixed on first lid 211 or the second lid 212, two adjacent driving wheels All have the bearing piece 216 between 23, two end faces of the bearing piece 216 respectively with first lid 211 and described The fitting of two lids 212.

Certainly, as needed, first lid may be set to be tubular, and the second lid can be directly anchored to the first lid On edge.

In a preferred embodiment of the invention, as shown in figure 4, the bearing piece 216 and first lid 211 are integrated knot Structure, first lid 211 are structure as a whole with the handle 1.

In the present invention, synchronous actuator and driving wheel 23 cooperate, and realize that synchronous actuator drives driving wheel 23 same Step rotation.

In a preferred embodiment, with reference to shown in Fig. 1, Fig. 3, driving cog 236, institute are provided on the driving wheel 23 Stating synchronous actuator is internal gear 25, and the driving wheel 23 is located at 25 inside of the internal gear, the gear teeth of the internal gear 25 with The driving cog 236 of each driving wheel 23 engages.The outer circumferential portion of the internal gear 25 all exposes described outer Shell 21.As illustrated in fig. 1, it is preferred that the outer circumference surface of internal gear 25 all exposes shell 21, in order to rotational inner gear 25.It is interior Multiple fins can also be evenly equipped on the outer circumference surface of gear 25.

In the present invention, the driving wheel 23 can be gear, and blade 22 modes such as is bolted or weld and consolidates It is scheduled on thereon.

For the ease of assembling and guaranteeing assembly precision, as shown in fig. 6, the driving wheel 23 of the stacked speeder wrench of multiple-blade wraps The locating piece 232 for including wheel body 231 and being fixed on the wheel body 231 offers the first mounting hole 233, institute on the wheel body 231 Stating has the first positioning surface 235 on locating piece 232.The axis of the driving wheel 23 can be located at 235 institute of the first positioning surface Plane on.Mounting groove 234 is offered on the locating piece 232, the axis of first mounting hole 233 passes through the installation Slot 234.As needed, recessing groove 237 can also be opened up in locating piece 232, blade 22 can be accommodated when blade 22 rotates, Blade 22 and driving wheel 23 is avoided to interfere.

As shown in fig. 7, the blade 22 includes blade body 221 and the link block for being fixed on described 221 one end of blade body 222, the working face 223 is located on the blade body 221, and the second positioning surface 224 is provided on the blade body 221, described The second mounting hole 225 is offered on link block 222.

When blade 22 is mounted on driving wheel 23, link block 222 is located in the mounting groove 234, and the installation axle passes through First mounting hole 233 and the second mounting hole 225, first positioning surface 235 and second positioning surface 224 fitting.From And being fixedly connected for blade 22 and driving wheel 23 may be implemented.

As shown in figure 3, in the mounting groove 234 of the driving wheel 23, height that can also be different according to locating for blade 22 Degree, is arranged corresponding fixed block 238, for adjusting and further fixing blade 22, transmission also can be set on fixed block 238 Tooth, so that all having driving cog on 23 circumference of entire driving wheel, i.e. the whole circumference of driving wheel 23 can be nibbled with internal gear 25 It closes.

In the present invention, the synchronous actuator can also use other structures.For example, being arranged on the driving wheel 23 There is driving cog 236, the synchronous actuator is intermediate gear, and the quantity of the intermediate gear is identical as the quantity of driving wheel 23, An intermediate gear, the intermediate gear and two adjacent driving wheels 23 are provided between two adjacent driving wheels 23 It engages, the outer circumference surface of at least one intermediate gear exposes the shell 21.Alternatively, being provided on the driving wheel 23 Driving cog 236, the synchronous actuator are synchronous belt, and the synchronous belt is annular in shape, and the driving wheel 23 is located at the synchronous belt Inside, the gear teeth of the synchronous belt are engaged with the driving cog 236 of each driving wheel 23, the excircle of the synchronous belt Partly or entirely expose the shell 21 in face.

The stacked speeder wrench of multiple-blade provided by the invention is illustrated with a preferred embodiment below.

As shown in Figure 1, the stacked speeder wrench of multiple-blade includes handle 1 and is connected to pulling for described 1 one end of handle Hand main body 2.The wrench body 2 includes shell 21, synchronous actuator and six work being mounted in 21 inner cavity of shell Component offers through-hole 213 on the shell 21.As shown in Figure 4, Figure 5, shell 21 includes offering the first of the first hole 214 Lid 211, the second lid 212 and multiple bearing pieces 216 for offering the second hole 215.First lid 211 is structure as a whole with handle 1.It is described Bearing piece 216 is fixed on the first lid 211, the second lid 212 and the end face patch merga pass bearing piece 216 of bearing piece 216 and the first lid 211 It is fixedly connected.Bearing piece 216 is along the circumferential direction uniformly distributed on the first lid 211.Between first lid 211 and second lid 212 The inner cavity of the shell 21 is formed, first hole 214 and the second hole 215 are coaxially disposed and form the through-hole 213.

Six work packages are intracavitary along the circumferential direction uniformly distributed in shell 21, and each work package includes being mounted on institute State the installation axle on shell 21, the driving wheel being mounted in the installation axle 23 and blade 22.Each installation axle passes through bearing It is rotatably mounted on the first lid 211.As shown in fig. 6, driving wheel 23 includes wheel body 231 and is fixed on the wheel body 231 Locating piece 232.The first mounting hole 233 is offered on the wheel body 231, wheel body 231 passes through the fixed suit of the first mounting hole 233 On the mounting shaft.Wheel body 231 is in disk form, has the first positioning surface 235 on the locating piece 232, opens on the locating piece 232 Equipped with mounting groove 234, locating piece 232 is in semi-cylindrical, and mounting groove 234 is poroid in semicolumn, the semicylindrical opening and the first installation Hole 233 is coaxial.Wheel body 231 is structure as a whole with locating piece 232, is arranged on the outer circumference surface of wheel body 231 and locating piece 232 There is driving cog 236.

As shown in fig. 7, a side of the blade 22 is working face 223, the working face 223 is plane.The leaf Piece 22 includes blade body 221 and the link block 222 for being fixed on described 221 one end of blade body, and link block 222 is in semi-cylindrical, leaf Sheet body 221 is structure as a whole with link block 222, and the two is integrally in tabular.The working face 223 is located at the blade body 221 On, it is provided with the second positioning surface 224 on the blade body 221, the second mounting hole 225, institute are offered on the link block 222 It states link block 222 to be mounted in the mounting groove 234, first positioning surface 235 and second positioning surface 224 fitting, the Two mounting holes 225 are fixedly set in installation axle.

The shaft of the driving wheel 23 of six work packages is along the circumferential direction uniformly distributed, the blade of six work packages It is stacked downwards between 22, so that the working face 223 of the blade 22 surrounds a working hole 24, the working hole 24 is positive Hexagonal hole, the working hole 24 are located in the through-hole 213.The synchronous actuator is internal gear 25, the driving wheel 23 Positioned at 25 inside of internal gear, the gear teeth of the internal gear 25 are engaged with the driving cog 236 of each driving wheel 23, The outer circumference surface of the internal gear 25 all exposes the shell 21.It is evenly equipped on the outer circumference surface of the internal gear 25 multiple convex Rib.

When the above-mentioned stacked speeder wrench of multiple-blade when in use, can use hand rotational inner gear 25,25 band of internal gear Dynamic driving wheel 23 is rotated around the shaft of the driving wheel 23 relative to the shell 21, described when the driving wheel 23 rotation Blade 22 can surround the axis of the driving wheel 23 as driving wheel 23 rotates synchronously, so that the working hole 24 of regular hexagon is put Big or diminution.

To sum up, the stacked speeder wrench of multiple-blade provided by the invention drives internal six by the internal gear of torsion outmost turns The driving wheel (pinion gear) of a control blade angle rotates synchronously, to carry out the adjusting of spanner caliber size, passes through blade Combination greatly improves its stability and portable from six direction locking nut on the basis of spanner caliber size is adjustable Property.

The sequencing of embodiment of above is not only for ease of description, represent the superiority and inferiority of embodiment.

Finally, it should be noted that embodiment of above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent Invention is explained in detail referring to aforementioned embodiments for pipe, those skilled in the art should understand that: its according to It can so modify to technical solution documented by aforementioned each embodiment, or part of technical characteristic is equal Replacement；And these are modified or replaceed, each embodiment technical solution of the present invention that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (10)

1. a kind of stacked speeder wrench of multiple-blade, the stacked speeder wrench of multiple-blade includes handle (1) and is connected to institute State the wrench body (2) of handle (1) one end, which is characterized in that the wrench body (2) includes shell (21), synchronous actuator With the multiple work packages being mounted in the shell (21) inner cavity, through-hole (213) are offered on the shell (21)；

The work package includes the installation axle being mounted on the shell (21), the driving wheel being mounted in the installation axle (23) it is mounted on the driving wheel (23) with blade (22), one end of the blade (22), the driving wheel (23) can enclose Shaft around the driving wheel (23) is rotated relative to the shell (21), when the driving wheel (23) rotation, the blade (22) it can be rotated synchronously around the axis of the driving wheel (23) with driving wheel (23), a side of the blade (22) For working face (223), the working face (223) is plane；

The shaft of the driving wheel (23) of multiple work packages is along the circumferential direction uniformly distributed, the blade of multiple work packages (22) it is stacked downwards between, so that the working face (223) of the blade (22) surrounds a working hole (24), the work Hole (24) is positive polygonal hole, and the working hole (24) can be located in the through-hole (213)；

The synchronous actuator can drive the driving wheel (23) of each work package to rotate synchronously, and be mounted on driving wheel (23) Blade (22) rotate with it so that the working hole (24) zooms in or out.

2. the stacked speeder wrench of multiple-blade according to claim 1, which is characterized in that the quantity of the work package is 6, the working hole (24) is hexagonal hole.

3. the stacked speeder wrench of multiple-blade according to claim 1 or 2, which is characterized in that the shell (21) includes It offers first lid (211) in the first hole (214) and offers second lid (212) in the second hole (215), first lid (211) it is fixed together with the second lid (212), between first lid (211) and second lid (212) described in formation The inner cavity of shell (21), first hole (214) and the second hole (215) are coaxially disposed and form the through-hole (213).

4. the stacked speeder wrench of multiple-blade according to claim 3, which is characterized in that the shell (21) further includes more It is a be fixed on it is described first lid (211) or second lid (212) on bearing piece (216), the driving wheel (23) of adjacent two it Between all have the bearing piece (216), two end faces of the bearing piece (216) are (211) and described with first lid respectively Second lid (212) fitting.

5. the stacked speeder wrench of multiple-blade according to claim 4, which is characterized in that the bearing piece (216) with it is described First lid (211) is structure as a whole, and first lid (211) is structure as a whole with the handle (1).

6. the stacked speeder wrench of multiple-blade according to claim 1 or 2, which is characterized in that on the driving wheel (23) It is provided with driving cog (236), the synchronous actuator is internal gear (25), and the driving wheel (23) is located at the internal gear (25) Inside, the gear teeth of the internal gear (25) are engaged with the driving cog (236) of each driving wheel (23), the internal gear (25) outer circumferential portion or whole exposing shells (21).

7. the stacked speeder wrench of multiple-blade according to claim 6, which is characterized in that the outer circle of the internal gear (25) Multiple fins are evenly equipped on circumferential surface.

8. the stacked speeder wrench of multiple-blade according to claim 6, which is characterized in that the driving wheel (23) includes wheel Body (231) and the locating piece (232) being fixed on the wheel body (231) offer the first mounting hole on the wheel body (231) (233), there are the first positioning surface (235) on the locating piece (232), offers mounting groove on the locating piece (232) (234), the axis of first mounting hole (233) passes through the mounting groove (234)；The blade (22) includes blade body (221) and it is fixed on the link block (222) of the blade body (221) one end, the working face (223) is located at the blade body (221) it on, is provided with the second positioning surface (224) on the blade body (221), offers the second peace on the link block (222) It fills hole (225), the link block (222) is located in the mounting groove (234), and the installation axle passes through first mounting hole (233) it is bonded with the second mounting hole (225), first positioning surface (235) and second positioning surface (224).

9. the stacked speeder wrench of multiple-blade according to claim 1 or 2, which is characterized in that on the driving wheel (23) It is provided with driving cog (236), the synchronous actuator is intermediate gear, the quantity of the intermediate gear and the number of driving wheel (23) It measures identical, is provided with an intermediate gear, the intermediate gear and adjacent two between two adjacent driving wheels (23) A driving wheel (23) is engaged, and the outer circumference surface of at least one intermediate gear exposes the shell (21).

10. the stacked speeder wrench of multiple-blade according to claim 1 or 2, which is characterized in that on the driving wheel (23) It is provided with driving cog (236), the synchronous actuator is synchronous belt, and the synchronous belt is annular in shape, and the driving wheel (23) is located at On the inside of the synchronous belt, the gear teeth of the synchronous belt are engaged with the driving cog (236) of each driving wheel (23), described same It walks the outer circumferential portion of band or all exposes the shell (21).