CN201437224U

CN201437224U - Through hole-type dynamic ratchet wrench

Info

Publication number: CN201437224U
Application number: CN 200920158983
Authority: CN
Inventors: 陈献忠
Original assignee: Hyphone Machine Industry Co Ltd
Current assignee: Hyphone Machine Industry Co Ltd
Priority date: 2009-06-24
Filing date: 2009-06-24
Publication date: 2010-04-14
Anticipated expiration: 2019-06-24

Abstract

The utility model provides a through hole-type dynamic ratchet wrench, which comprises a shank part, a working part and a steering part, wherein the shank part comprises a driving piece and a power part; the power part can supply power to the driving piece; the working part comprises a head part, a mobile part and a ratchet wheel; an accommodating space is arranged in the head part; the driving piece can drive the mobile piece to perform runout in the accommodating space; the steering part comprises a switching piece and a clipping unit which can be coupled together, wherein the clipping unit can clamp the ratchet tooth part anti-clockwise and counter-clockwise through the position switching carried out by the switching piece so as to drive the ratchet wheel. The utility model has the beneficial effects that the rotating direction can be switched by the reversing device, and therefore repeated disassembly and assembly is not required, which is very convenient to use; the reversing device is internally hidden, which not only enables the ratchet wrench to be performed stably, safely and accurately even though the working space is narrow, but also forms a relatively beautiful appearance.

Description

Through-hole type power ratchet spanner

Technical field

The utility model is relevant for a kind of spanner, and particularly a kind of have suitable, as to reverse a handoff functionality through-hole type power ratchet spanner.

Background technology

Spanner has had very long use history as the main tool of dismounting screw tightening.At present, novel spanner is added with ratchet device and power set more, makes more convenient to operate, laborsaving.

Power ratchet spanner referring to the US5448930 patent, this patent connects branch sleeve behind the power set with ratchet, use quick loading and unloading screw tightening, but this patent still has weak point to be, this ratchet only can folk prescription to rotational sleeve, if the user desires to remove after loading screw tightening again, or accidentally this spanner is adorned wrong direction, then must earlier this wrench device be broken away from screw tightening, fit once more after turning to, but screw tightening is sheathed in the stock or there is finding the screw tightening both sides when situation that other article stop is arranged, and screw tightening of every dismounting with this spanner just then needs, anti-dismounting twice is for user's quite inconvenience really.

And the through-hole type power ratchet spanner of US4722252 patent, this patent is removed has power set and ratchet, have more the reversing arrangement of a control ratchet switching direction, this reversing arrangement of mat, to reach group, unloading screw tightening need not take out, the complex operations program that counter-rotating wears again, but this kind of reversing arrangement structural design weak point is: this reversing arrangement is the accommodation space that is arranged between the head biend, and, the user switches the ratchet direction for can being stirred, two ends must exceed accommodation space, so that two ends drive in the movable part beat process with power, the two ends that reversing arrangement exposes, easily narrow because of working space, and when switching and foreign object collision, cause the engagement orientation of reversing arrangement and ratchet uncertain; Moreover, derive the easily crisis of actual bodily harm of the reversing arrangement that exposes; And expose design and can cause the lofty problem of disharmony of spanner outward appearance,, improved necessity is in addition arranged really such as above-mentioned disadvantages.

The utility model content

Main purpose of the present utility model is to provide a kind of through-hole type power ratchet spanner, this through-hole type power ratchet spanner, see through head and set up that a tool is suitable, the reversing arrangement of reverse handoff functionality, make the screw tightening on the stock exempt to break away under the stock condition, just changeing rotation and reversing unscrewing operating function.

Another purpose of the utility model is, provides a kind of through-hole type power ratchet spanner that keeps attractive in appearance, can not expose the unsteady reversing arrangement of latent two formulas that causes with the foreign object collision.

For achieving the above object, the utility model is by the following technical solutions:

A kind of through-hole type power ratchet spanner, it comprises:

One shank, this shank comprise a driving member and a power part, this power part and the coupling of this driving member, and this power part can be to this driving member outputting power;

One operate portions, this operate portions comprises a head, one movable part and a ratchet, this head is located at shank near driving member one end, be provided with an accommodation space in this head, this head is provided with one first perforation, this first perforation bearing of trend is vertical with this shank length bearing of trend, this first perforation is connected with this accommodation space, this movable part is located at this accommodation space, this movable part and the coupling of this driving member, this movable part is provided with one second perforation in this first perforation correspondence position, this ratchet is arranged in this first perforation and this second perforation, and this driving member can drive this movable part beat in this accommodation space, and this ratchet has an inner peripheral surface and an outer peripheral face, this inner peripheral surface is formed with a non-circular through hole, and this outer peripheral face is equipped with tooth portion;

One turning part, this operate portions is located in this turning part, this turning part comprises a switch piece and a clip unit, this switch piece is located at this head, and this movable part is located in this clip unit, and this switch piece can be coupled with this clip unit, this switch piece switches to one first switching position, make this clip unit from this tooth portion of counter clockwise direction clip, this switch piece switches to one second switching position, makes this clip unit from this tooth portion of clockwise direction clip.

Wherein, be formed with first end face and second end face by this accommodation space, first, second end face surface wears first perforation and second perforation that is connected respectively, and at least one end face offers one four perforation adjacent with first or second perforation, the 4th perforation that this confession switch piece is installed with just is vertical with this shank length bearing of trend and accommodation space; This driving member comprises the sliding sleeve of a rotating shaft and a sphere, and the different power part end of rotating shaft is provided with an eccentric shaft, for the sliding sleeve combination, and the 4th perforation that head first end face runs through, inner wall surface thereof is arranged with one first locating slot and one second locating slot at interval outwardly; The 3rd perforation of first, second perforation of connection is run through on the movable part surface, see through an anti-slip section and retainer ring for this ratchet, wear group with rotary way, this movable part adjacently situated surfaces is also offered the 5th perforation that is communicated with the 4th perforation, seeing through a deep-slotted chip breaker between the 5th perforation and the 3rd perforation is communicated with, the hole of a connection deep-slotted chip breaker is offered on the movable part surface, and the clip unit is located in the 5th perforation and the deep-slotted chip breaker.

Wherein, this clip unit comprises a direction seat, an elastic top pull an assembly and a fixture block, this direction seat is located in the 5th perforation, its side face one end is offered a tank, be installed with for this elastic top assembly of pulling, elastic top this fixture block of assembly exposed junction contact of pulling makes first, second hock portions of fixture block both sides, selectivity meshes with the tooth portion of ratchet.

Wherein, this switch piece top convexes with a reversing bar that is higher than first end face, and the bottom is extended with a protruding wedge, and this direction seat top is enclosed structure by two arc convex walls and gone out a groove, makes the switch piece can be at any time and groove coupling interlock.

Wherein, this groove fabric width is greater than the width of protruding wedge.

Wherein, this elastic top assembly of pulling is an elastic component, and the pin that this fixture block sees through the hole of running through movable part is hubbed in the deep-slotted chip breaker, and different first, second hock portion end of this fixture block is formed with a cambered surface and replaces for elastic component; The different tank end of direction seat side face, convex with a spacing projection, the 5th perforation ascending edge of movable part faces the power part end, is concaved with the arc stopper slot for spacing projection slippage, the stopper slot both sides are formed with first wall and second wall, replace spacing for spacing projection.

Wherein, this elastic top assembly of pulling comprises an elastic component and is set in alignment pin in the elastic component, and the pin that this fixture block sees through the hole of running through movable part is hubbed in the deep-slotted chip breaker, and different first, second hock portion end of this fixture block is formed with a cambered surface and replaces for elastic component; The different tank end of direction seat side face, convex with a spacing projection, the 5th perforation ascending edge of movable part faces the power part end, be concaved with arc stopper slot for spacing projection slippage, the stopper slot both sides are formed with first wall and second wall, it is spacing to supply spacing projection to replace, and this direction seat only can be rotated between this first operating position and this second operating position.

Wherein, the switch piece in the 4th perforation is arranged with an elastic reset assembly and a clasp, and the elastic reset assembly provides switch piece to upspring to power, makes protruding wedge and the separated attitude of groove under its normality, and clasp prevents that then switch piece from deviating from the 4th perforation.

Wherein, the 4th perforation internal face of this head at interval is arranged with one first locating slot and second locating slot outwardly, and this switch piece convexes with an alignment pin, and this alignment pin is during with suitable, the reverse switching of switch piece, and alternative drops on first or second locating slot.

Wherein, this switch piece surface or reversing bar are provided with a direction identification part.

Wherein, this power part more comprises a pneumatic paddle and a switch.

The beneficial effects of the utility model are: can switch rotation direction by reversing arrangement, need not repeated disassembled and assembled during operation, the convenient use; Reversing arrangement is built-in, even working space is narrow, also can stability and safety carry out accurately, and outward appearance is attractive in appearance relatively.

The utility model is described in further detail below by accompanying drawing.

Description of drawings

Fig. 1 is a stereogram of the present utility model.

Fig. 2 is a part three-dimensional exploded view of the present utility model.

Fig. 3 is a profile of the present utility model.

Fig. 4 is an illustrative view of the present utility model.

Fig. 5 is another illustrative view of the present utility model.

Fig. 6 is an another illustrative view of the present utility model.

Fig. 7 is an illustrative view more of the present utility model.

Fig. 8 is an embodiment schematic diagram of the present utility model.

Fig. 9 is another embodiment schematic diagram of the present utility model.

[primary clustering symbol description]

10: shank 323: the arc convex wall

11: driving member 324: tank

111: rotating shaft 33: elastic component

112: eccentric shaft 331: alignment pin

113: sliding sleeve 34: fixture block

12: 341: the first hock portions of power part

121: 342: the second hock portions of switch

20: operate portions 343: cambered surface

21: head 35: the elastic reset assembly

Locating slot 36 in 211: the first: clasp

Locating slot 40 in 212: the second: the anti-slip section

22: movable part 41: elastomeric pad

221: stopper slot 42: friction plate

Wall 50 in 2211: the first: retainer ring

2212: the second wall A: accommodation space

222: driving groove B: first end face

23: ratchet B ': second end face

231: through hole C1: first perforation

232: the C2 of tooth portion: second perforation

30: turning part C3: the 3rd perforation

31: switch piece C4: the 4th perforation

311: protruding wedge C5: the 5th perforation

312: alignment pin D: deep-slotted chip breaker

313: reversing bar D1: first retaining wall

314: the D2 of direction recognition portion: second retaining wall

32: direction seat E: hole

321: groove F: pin

322: spacing projection

The specific embodiment

Only with regard to a preferred embodiment technological means of the present utility model being described herein, is not in order to limit technology category of the present utility model.

Please refer to Fig. 1 to Fig. 3, the utility model provides a kind of power ratchet spanner, comprises a shank 10, an operate portions 20 and a turning part 30; This shank 10 is provided with a driving member 11 and a power part 12, this power part 12 and these driving member 11 couplings, and can make its rotation start to these driving member 11 outputting powers; Wherein: this driving member 11 comprises a rotating shaft 111 that driven by power part, and rotating shaft 111 different power part 12 ends then extend an eccentric shaft 112, with the sliding sleeve 113 of a sheathed sphere; Above-mentioned power part 12 more comprises a pneumatic paddle, the fluid dynamic energy of rear end input can be converted to rotation function, drive this driving member 11 rotations, and this pneumatic paddle also can be set to the device of electro-motor or other exportable rotation function; This power part 12 is provided with a switch 121, and this switch 121 is available for users to open or cut out the power output of this power part 12;

This operate portions 20 is located at the end of this shank 10 near this driving member 11, and it comprises a head 21, a movable part 22 and a ratchet 23, and these head 21 mats are laterally offered an accommodation space A, make head 21 have the first end face B and the second end face B '; Aforesaid head 21, in the nearly outer edge corresponding position of first, second end face B, B ', offer first a perforation C1 that is interconnected and second a perforation C2, this first, second perforation C1, C2 bearing of trend generally are vertical with these shank 10 length bearing of trends, and are the vertical connection relation with accommodation space A; The adjacent first perforation C1 place of the first end face B offers one the 4th perforation C4 again, and the 4th perforation C4 internal face also is arranged with one first locating slot 211 and one second locating slot 212 outwardly at interval;

22 of this movable parts are located in this accommodation space A, one end surfaces offers corresponding the 3rd perforation C3 that is communicated with first, second perforation C1, C2, other end surface then offers a step shape that does not run through fully the 5th perforation C5, the ascending edge face of the 5th perforation C5, towards the stopper slot 221 that the power part direction caves in and an arc, stopper slot 221 both sides are formed with first wall 2211 and second wall 2212; Again between the 5th perforation C5 and the 3rd perforation C3, then offer a deep-slotted chip breaker D who is communicated with each other, deep-slotted chip breaker D both sides then are formed with the first retaining wall D1 and the second retaining wall D2 (as Fig. 4), and movable part 22 corresponding deep-slotted chip breaker surfaces, the hole E that vertically runs through this deep-slotted chip breaker of vertical connection D, and these movable part 22 nearly the 5th perforation C5 ends, then vertically be arranged with a driving groove 222, spherical sliding sleeve 113 couplings for driving member 11, when driving member rotation start, eccentric drive movable part 22 is in the left and right extremely biased pendulum of accommodation space A by this;

23 on this ratchet is with rotary way, be arranged in this first, the second perforation C1, between the 3rd perforation C3 of C2 and movable part, cooperate again with reference to Fig. 2 and shown in Figure 8,21 on this ratchet 23 and this head more are provided with an anti-slip section 40 and at least one retainer ring 50, this anti-slip section 40 comprises an at least one elastomeric pad 41 and a friction plate 42, this elastomeric pad 41 provides an elastic force, make this anti-slip section 40 be close to this head 21 and this ratchet 23,42 of this friction plates provide a frictional force, make this ratchet 23 when not being subjected to these fixture block 34 clips, do not rotate relative to this head 21 with this movable part 22; This retainer ring 50 removably is located between this anti-slip section 40 and this head 21, stops that this ratchet 23 breaks away from this first perforation C1, and can supply dismounting and change ratchet 23 and anti-slip section 40 in case of necessity; Moreover, aforesaid ratchet 23 also has an inner peripheral surface and an outer peripheral face, this inner peripheral surface is formed with the through hole 231 of non-circular (being generally hexagon), with direct sheathed screw tightening (or sheathed screw tightening of sleeve of the other non-circular through hole of socket tool penetration state), this outer peripheral face then is equipped with the tooth portion 232 of continuous shape.

This turning part 30 is to be mounted on this operate portions 20, suitable, reverse state switching that this turning part 30 can be done, and wherein this turning part 30 comprises:

One switch piece 31, this switch piece 31 is to wear an elastic reset assembly 35, and wear the 4th perforation C4 that organizes in head 21 first end face B, and a sheathed C shape clasp 36 prevents that it from deviating from, the then permanent maintenance one of elastic reset assembly 35 is elastic force upwards, make under these switch piece 31 normalities with direction seat 32 to keep separation relations, make direction seat 32 be subjected to movable part 22 beats and when mobile, this switch piece 31 can the recipient not shaken to seat 32 moving influences; These switch piece 31 tops are provided with again, the protruding reversing bar 313 that is exposed to the first end face B, in order to user's switch operation, switch piece 31 bottom central authorities, extension one is the staggered protruding wedge 311 of cross with reversing bar 313, switch piece 31 peripheries then are provided with, one elastic positioning pin 312 of alternative displacement between first and second locating slot, location, and for making things convenient for suitable, the reverse utmost point position identification of switch piece 31, corresponding protruding wedge 311 positions (also can be located at the reversing bar surface), switch piece 31 surface also can have additional a direction identification part 314 (as arrow);

One clip unit, comprise a direction seat 32, one elastic top pull an assembly and a fixture block 34, this direction seat 32 is worn through the 4th perforation C4 and is organized in the 5th perforation C5 of movable part 22, these direction seat 32 top mats are shape two arc convex walls 323 at interval, enclose the groove 321 that structure goes out a default fabric width, groove 321 proper suppliers are to protruding wedge 311 couplings of switch piece 31, interlock, and groove 321 fabric widths must be greater than more than 1.2 times of protruding wedge 311 width, be positioned at a left side to satisfy switch piece 31 in movable part, the right, or switch piece 31 is positioned at suitable, under reverse four utmost point position situations, all can be coupled with the groove 321 of direction seat 32;

This direction seat 32 side faces one end is convexly equipped with a spacing projection 322 again, this spacing projection 322 is suitable with the direction seat, when reversing, must be in stopper slot 221 intrinsic displacements, and with first, second wall 2211,2212 of stopper slot 221 against spacing, force this direction seat 32 only can between this first operating position and this second operating position, rotate; The direction seat 32 side face other ends are then offered a tank 324, these tank 324 contents are provided with the elastic top assembly of pulling, this elastic top assembly of pulling can be a single elastic component, or as shown in Figure 2, comprises an elastic component 33 and the bullet type alignment pin 331 that is arranged in the elastic component; And has the fixture block 34 of the first hock portion 341 and the second hock portion 342, the pin F that is then run through movable part hole E is hubbed in the deep-slotted chip breaker D, the cambered surface 343 of its different tooth portion end, proper and alignment pin 331 circular arc bullet ends are replaced, then during the direction seat of suitable, the reverse switching interlock of switch piece below, see through the elastic top indirect switching direction of assembly of pulling again, selectivity forces the first hock portion 341 or the second hock portion 342 and the tooth portion 232 of ratchet 23 to be meshing with each other, and organizes structure by this and goes out power ratchet spanner of the present utility model.

The main characteristic of the utility model is: by the reversing arrangement design of the switch piece that floats in conjunction with the clip unit, through-hole type power ratchet spanner is provided, possess group, when unloading screw tightening, take out, turn to, suitable, the reverse handoff functionality of the tool of sheathed once more screw tightening operation as for the utility model power ratchet spanner, sees through floating type reversing arrangement, the effect that its operating principle and expection are reached is aided with Fig. 4 to Fig. 9 and is described as follows:

At first with reference to figure 8, Fig. 9 and Fig. 4, switch piece 31 under the normality is replaced because of being subjected to elastic reset assembly 35 elasticity, make that protruding wedge 311 is separated with the groove 321 of direction seat 32, the user needs as shown in Figure 9, press down switch piece 31 and make protruding wedge 311 and groove 321 couplings, and rotate this turning part 30, allow its switch piece 31 switch to first switching position (as Fig. 4, this moment, the turning part was the reverse state) after, discharge the downforce of switch piece, the protruding wedge 311 that allows elastic reset assembly 35 drive switch piece 31 separates with the groove 321 of direction seat 32; And this direction seat 32 is when being subjected to switch piece coupling interlock to the first operating position, also by the pull cambered surface 343 of assembly contact fixture block 34 of elastic top, force incline pendulum and allow tooth portion 232 engagements of the first hock portion 341 and ratchet 23 of this fixture block 34, adding the fixture block 34 of updip pendulum and the first retaining wall D1 of deep-slotted chip breaker D replaces, and possess a space with the second retaining wall D2, make driving member 11 sliding sleeve deflections drive movable part 22 beats to utmost point position, the right process of Fig. 5,34 of fixture blocks can compress elastic top and pull and contract in the assembly, and be able to towards the second slightly displacement of retaining wall D2 direction, until the left utmost point position state of movable part 22 beats to Fig. 4, then finish a stroke action, can rotate by driving pawl 23, the action of repeated multiple times rotating distance can allow the through hole 231 interior sheathed screw tightenings (figure does not show) of ratchet 23 present the state that gets loose that can take out then;

Otherwise, if need forward screw screw tightening when (figure does not show), press down switch piece 31 according to Fig. 8, Fig. 9 and be diverted to first switching position, and interlock direction seat is diverted to second operating position, and pulled by elastic top fixture block 34 that assembly replaces is through inclining pendulum, makes tooth portion 232 engagements (as Fig. 7) of its second hock portion 342 and ratchet, drives left and right repeatedly extremely biased the moving of movable part 22 through power part, driving member again, can drive ratchet 23 rotations, allow through hole 231 interior screw tightenings be the state of screwing.

From the above mentioned as can be known, the utility model through-hole type power ratchet spanner, the unsteady reversing arrangement of the head first end face B is located in utilization, not only can reach clockwise screw of screw tightening when sheathed, and reverse the sharp work effect unscrew taking-up, more by switch piece 31 and the float design that the employing of clip unit does not contact, when making the clip unit with the left and right extremely biased commentaries on classics of movable part, neither meeting interferes with switch piece 31, to guarantee the screw tightening group, to unload the shockproof quiet function of process switch piece;

The second, floating type reversing arrangement of the present utility model, see through direction seat 32 top grooves 321 fabric widths, at least greater than protruding wedge 311 designs of width more than 1.2 times of switch piece, then no matter switch piece 31 is positioned at suitable, contrary switching position, perhaps movable part 22 is positioned under ultra-Left, ultra-Right four utmost point position states, when the switch piece 31 that floats pressed down, protruding wedge 311 all can fall in the groove 321 of direction seat 32, satisfied switch piece coupling interlock clip cell orientation and switched effect.

Three, the switch piece 31 of reversing arrangement of the present utility model is the first end face B that is mounted on head 21, the clip unit is to be located in movable part the 5th perforation C5 and the deep-slotted chip breaker D, so can be not the same just like previous patent US4722252, expose at the reversing arrangement two ends, when causing the narrow space operation, fixture block and ratchet engaged are uncertain, or the design disappearance of hindering user or other people may be colluded in the two ends of exposing.

Four, the utility model reversing arrangement, group is established an alignment pin 312 on switch piece 31 especially, first, second locating slot 211,212 that cooperates the 4th perforation C4 wall to be arranged with at interval, positioning function after switch piece 31 suitable, the reverse switchings then can be provided, produce deflection or vibrating noise effects to prevent the switch piece 31 in the 4th perforation.

Five, the utility model reversing arrangement, be convexly equipped with a spacing projection 322 in direction seat 32 side faces one end especially, the arc stopper slot 221 that cooperates the 5th perforation C5 ascending edge face to be arranged with, make direction seat 32 be subjected to switch piece to turn to interlocked limited projection 322, slide onto first,

second wall

2211,2212 o'clock, the provider is to the restriction of seat rotational angle, and suitable, the reverse switching of switch piece exact position effect.

In sum, the utility model through-hole type power ratchet spanner, its floating type reversing arrangement design, not only novel structure practicality has more the effect of marked improvement, meets national Patent Law relevant regulations, so mention patent application in accordance with the law.

Claims

1. through-hole type power ratchet spanner is characterized in that it comprises:

One shank, this shank comprise a driving member and a power part, this power part and the coupling of this driving member;

2. through-hole type power ratchet spanner as claimed in claim 1, it is characterized in that, wherein be formed with first end face and second end face by this accommodation space, first, second end face surface wears first perforation and second perforation that is connected respectively, and at least one end face offers one four perforation adjacent with first or second perforation, the 4th perforation that this confession switch piece is installed with just is vertical with this shank length bearing of trend and accommodation space; This driving member comprises the sliding sleeve of a rotating shaft and a sphere, and the different power part end of rotating shaft is provided with an eccentric shaft, for the sliding sleeve combination, and the 4th perforation that head first end face runs through, inner wall surface thereof is arranged with one first locating slot and one second locating slot at interval outwardly; The 3rd perforation of first, second perforation of connection is run through on the movable part surface, see through an anti-slip section and retainer ring for this ratchet, wear group with rotary way, this movable part adjacently situated surfaces is also offered the 5th perforation that is communicated with the 4th perforation, seeing through a deep-slotted chip breaker between the 5th perforation and the 3rd perforation is communicated with, the hole of a connection deep-slotted chip breaker is offered on the movable part surface, and the clip unit is located in the 5th perforation and the deep-slotted chip breaker.

3. through-hole type power ratchet spanner as claimed in claim 2, it is characterized in that, wherein this clip unit comprises a direction seat, an elastic top pull an assembly and a fixture block, this direction seat is located in the 5th perforation, its side face one end is offered a tank, is installed with elastic top this fixture block of assembly exposed junction contact of pulling for this elastic top assembly of pulling, make first, second hock portion of fixture block both sides, get the tooth portion engagement of selectivity and ratchet.

4. through-hole type power ratchet spanner as claimed in claim 2, it is characterized in that, wherein this switch piece top convexes with a reversing bar that is higher than first end face, the bottom is extended with a protruding wedge, this direction seat top is enclosed structure by two arc convex walls and is gone out a groove, makes the switch piece can be at any time and groove coupling interlock.

5. through-hole type power ratchet spanner as claimed in claim 3, it is characterized in that, wherein this switch piece top convexes with a reversing bar that is higher than first end face, the bottom is extended with a protruding wedge, this direction seat top is enclosed structure by two arc convex walls and is gone out a groove, makes the switch piece can be at any time and groove coupling interlock.

6. through-hole type power ratchet spanner as claimed in claim 4 is characterized in that wherein this groove fabric width is greater than the width of protruding wedge.

7. through-hole type power ratchet spanner as claimed in claim 5 is characterized in that wherein this groove fabric width is greater than the width of protruding wedge.

8. through-hole type power ratchet spanner as claimed in claim 3, it is characterized in that wherein this elastic top assembly of pulling is an elastic component, the pin that this fixture block sees through the hole of running through movable part is hubbed in the deep-slotted chip breaker, different first, second hock portion end of this fixture block is formed with a cambered surface and replaces for elastic component; The different tank end of direction seat side face, convex with a spacing projection, the 5th perforation ascending edge of movable part faces the power part end, is concaved with the arc stopper slot for spacing projection slippage, the stopper slot both sides are formed with first wall and second wall, replace spacing for spacing projection.

9. through-hole type power ratchet spanner as claimed in claim 5, it is characterized in that, wherein this elastic top assembly of pulling comprises an elastic component and is set in alignment pin in the elastic component, the pin that this fixture block sees through the hole of running through movable part is hubbed in the deep-slotted chip breaker, different first, second hock portion end of this fixture block is formed with a cambered surface and replaces for elastic component; The different tank end of direction seat side face, convex with a spacing projection, the 5th perforation ascending edge of movable part faces the power part end, be concaved with arc stopper slot for spacing projection slippage, the stopper slot both sides are formed with first wall and second wall, it is spacing to supply spacing projection to replace, and this direction seat only can be rotated between this first operating position and this second operating position.

10. through-hole type power ratchet spanner as claimed in claim 5, it is characterized in that, the switch piece in the 4th perforation wherein, be arranged with an elastic reset assembly and a clasp, the elastic reset assembly provides switch piece to upspring to power, make protruding wedge and the separated attitude of groove under its normality, clasp prevents that then switch piece from deviating from the 4th perforation.

11. through-hole type power ratchet spanner as claimed in claim 8, it is characterized in that, wherein the 4th perforation internal face of this head is arranged with one first locating slot and second locating slot outwardly at interval, this switch piece convexes with an alignment pin, this alignment pin is during with suitable, the reverse switching of switch piece, and alternative drops on first or second locating slot.

12. through-hole type power ratchet spanner as claimed in claim 9, it is characterized in that, wherein the 4th perforation internal face of this head is arranged with one first locating slot and second locating slot outwardly at interval, this switch piece convexes with an alignment pin, this alignment pin is during with suitable, the reverse switching of switch piece, and alternative drops on first or second locating slot.

13. through-hole type power ratchet spanner as claimed in claim 3 is characterized in that wherein this switch piece surface or reversing bar are provided with a direction identification part.

14. through-hole type power ratchet spanner as claimed in claim 5 is characterized in that wherein this switch piece surface or reversing bar are provided with a direction identification part.

15. through-hole type power ratchet spanner as claimed in claim 8 is characterized in that wherein this switch piece surface or reversing bar are provided with a direction identification part.

16. through-hole type power ratchet spanner as claimed in claim 9 is characterized in that wherein this switch piece surface or reversing bar are provided with a direction identification part.

17. through-hole type power ratchet spanner is characterized in that as claimed in claim 1 or 2, wherein this power part more comprises a pneumatic paddle and a switch.