CN101670567B

CN101670567B - Ratchet wrench

Info

Publication number: CN101670567B
Application number: CN2008102123320A
Authority: CN
Inventors: 胡厚飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-09-08
Filing date: 2008-09-08
Publication date: 2012-07-04
Anticipated expiration: 2028-09-08
Also published as: CN101670567A

Abstract

The invention relates to a ratchet wrench, which comprises a body, wherein the body is provided with two accommodating spaces which accommodate a ratchet piece, a clamping device and a transfer switch respectively; the clamping device comprises two clamping pieces and an elastic piece; the two clamping pieces are selectively meshed with the ratchet piece; the elastic piece is connected with the two clamping pieces; an accommodating part is formed on the surfaces of the two clamping pieces respectively; the transfer switch comprises a toggle; the toggle comprises a toggle part and two feet; the two feet extend into the second accommodating space and are positioned at the accommodating parts of the two clamping piece; and the toggle part is toggled to make the two feet selectively pull the clamping pieces and make teeth of the clamping pieces selectively far away from teeth of the ratchet piece. The ratchet wrench achieves the purpose of saving processing cost by the double accommodating spaces, and utilizes the two feet of the toggle to reliably pull the clamping pieces, so that the clamping pieces avoid separation or slipping.

Description

Ratchet spanner

Technical field

The present invention relates to a kind of spanner, refer to a kind of handling ease and the ratchet spanner that commutates really, especially toggle utilizes the arcuation swing to control the ratchet spanner of switching-over.

Background technology

Common reversing ratchet wrench such as No. 7146883 Fig. 2 of U.S. Patent number announcement; Its wrench body 10 has three receiving parts 110,111,113; Be respectively equipped with ratchet 20, clamping piece 30 and the top device 50 of pulling in the receiving part 110,111,113, rely on toggle 40 interlock reversing switches 60 further to control clamping piece 30 and pivot and be engaged in described ratchet 20.

This design that must process three receiving parts; The processing cost of wrench body can't be effectively reduced; Especially it is just coaxial with wrench body to hold the receiving part of pushing up the device of pulling, and has the difficulty in the processing, in addition; Above-mentioned single clamping piece has the untrue secret worry of switching-over, and remains to be improved.

Also have in addition a kind of reversing ratchet wrench such as No. 6981434 Fig. 1 of United States Patent (USP) announcement; Its wrench body 10 has three receiving

parts

12,13,14, but also is provided with two holes 130,131 in receiving part 13, is respectively equipped with ratchet 20 and two clamping pieces 30 in the receiving

part

12,14; Fixing hole 130 supplies fixture 43 to stretch through and is incorporated into toggle 40; Toggle 40 is contained in the receiving part 13, and receiving

part

13,14 is connected, and toggle 40 selectivity are stirred two clamping pieces 30; Hole 131 holds steel ball 45, and the toggle 40 selective fixed steel balls 40 that are positioned at.

Though it is provided with three receiving parts, compared to No. 7146883 patent, the certain more or less freely processing of the specific embodiment of No. 6981434 patent; And the switching-over effect of its pair clamping piece is certain than the former, but it still has a little disappearance, relies on toggle to stir the salient point of two clamping pieces; Still there is salient point easily from the disappearance of toggle slippage; The perhaps toggle problem of interlock clamping piece salient point really, moreover the wrench body surface is because of providing toggle to storE; And the toggle below also need be provided with steel ball, and the volume of wrench body head can't effectively be dwindled.

In addition; Above-mentioned patent all is to utilize steel ball to cooperate spring to reach the effect of pulling in the top; When using spring inefficacy of a specified duration in time one, perhaps spring generation distortion all can let ratchet spanner ineffective when stirring, and therefore how replacing spring also is utmost point desire improvement part of the present invention.

And steel ball utilizes spring to promote and makes repeatedly mobile toward covering in groove of steel ball, lowers service life easily, and can cause the not good problem of locating effect, so still have improved necessity.

Moreover; Steel ball and spring can be in groove to move be must be based upon on the good mobile route toward covering; But the mobile route of steel ball in groove is the design that is restricted, thus between steel ball and the groove in case run into water and cause getting rusty or running into impurity, the obstruction when being easy to form steel ball and moving; The relative spanner that will cause loses locating effect, so still have improved necessity.

Summary of the invention

Deficiency to prior art the objective of the invention is to: a kind of ratchet spanner is provided, reaches and stir certain effect, avoided really because of spring failure derive all constant.

For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:

A kind of ratchet spanner is characterized in that, includes:

One body is provided with one first accommodation space and one second accommodation space, and described second accommodation space is communicated with described first accommodation space, and described body is provided with the positioner that a part is exposed to described second accommodation space;

One spine move part, it is hubbed in first accommodation space of described body, and described spine move part is to be used for turning working substance, and the outer rim of described spine move part is equipped with tooth;

Two clamping pieces; Slidably be located in second accommodation space of described body; Described two clamping pieces are respectively equipped with tooth with respect to a side of spine move part, are provided with an elastomer between described two clamping pieces, and described two clamping pieces are respectively equipped with a guidance part at end face;

One reversing switch; Be located on the described body and can between at least two positions, move; Described reversing switch includes a toggle and a locating part, and described toggle has the clicking section and two foots that stretch in second accommodation space that supply user's operation, and described two foots can contact the guidance part at described two clamping pieces; Described locating part is the flexible steel disc of a tool; Described locating part is located in second accommodation space and is incorporated into two foots of described toggle, and described locating part has at least two limiting sections, and described limiting section can produce relative positioning relation with described positioner.

Compared with prior art, the advantage that adopts the present invention of technique scheme to have is:

1. ratchet spanner of the present invention, it only need establish two accommodation spaces, simplifies procedure really, and can save processing cost.

2. ratchet spanner of the present invention; Wherein two foots of toggle stretch into the receiving part of clamping piece, and toggle two foots contact with the guidance part formation face of clamping piece, make toggle spur clamping piece really; Let clamping piece not have to break away from or the possibility of slippage, reach the purpose of certain pulling clamping piece.

3. ratchet spanner of the present invention wherein can reach advantages of good positioning effect between the locating part of the positioner of body and reversing switch, improves service life simultaneously.

Description of drawings

Fig. 1 is the stereo appearance figure of ratchet spanner of the present invention;

Fig. 2 is the three-dimensional exploded view of ratchet spanner of the present invention;

Fig. 3 is the profile that ratchet spanner of the present invention is got along Figure 13-3 line, and the expression reversing switch is positioned at the centre position;

Fig. 4 is the profile that ratchet spanner of the present invention is got along Figure 34-4 line, and the expression reversing switch is positioned at the centre position;

Fig. 5 is the continuity of ratchet spanner Fig. 3 of the present invention, and the expression reversing switch is positioned at location right;

Fig. 6 is the continuity of ratchet spanner Fig. 4 of the present invention, and the expression reversing switch is positioned at location right;

Fig. 7 is the continuity of ratchet spanner Fig. 3 of the present invention, and the expression reversing switch is positioned at left position;

Fig. 8 is the continuity of ratchet spanner Fig. 4 of the present invention, and the expression reversing switch is positioned at left position;

Fig. 9 is second embodiment of ratchet spanner of the present invention;

Figure 10 is the 3rd embodiment of ratchet spanner of the present invention;

Figure 11 is the 3rd embodiment of ratchet spanner of the present invention.

Description of reference numerals: 10 bodies; 11 first accommodation spaces; 111 circular grooves; 112 flanges; 12 second accommodation spaces; 13 first sides; 14 second sides; 15 guide holes; 151 arc length; 152 radical lengths; 16 positioners; 161 tanks; 162 keepers; 17 positioners; 171 grooves; 172 locating convex blocks; 20 spine move parts; 21 teeth; 22 drive divisions; 23 scrobicular rings; The 24C type is buckled; 30 clamping and drawing device; 31 clamping pieces; 311 receiving parts; 312 guidance parts; 313 teeth; 314 recesses; 32 elastomers; 40 reversing switches; 41 toggles; 411 clicking sections; 412 foots; 4121 thickness; 4122 length; 413 notches; 42 keepers; 43 locating parts; 431 notches; 432 first limiting sections; 433 second limiting sections; 434 the 3rd limiting sections; 44 locating parts; 441 notches; 442 first limiting sections; 444 the 3rd limiting sections; 50 spine move parts; 51 teeth; 52 drive divisions; 53 scrobicular rings; The 54C type is buckled.

The specific embodiment

The technology that relevant the present invention adopted, means and effect thereof, lift a preferred embodiment now and cooperate graphic detailed description as after, this only supplies the usefulness of explanation, in patent application, does not receive the restriction of this kind structure.

With reference to Fig. 1 and Fig. 2, be the stereo appearance figure and the three-dimensional exploded view of ratchet spanner of the present invention.Ratchet spanner of the present invention includes a body 10, a spine move part 20, a clamping and drawing device 30 and a reversing switch 40.

The internal face that described body 10 is provided with rounded first accommodation space, 11, the first accommodation spaces 11 is provided with second a curved accommodation space 12, and described second accommodation space 12 is communicated with described first accommodation space 11.Described body 10 has the first relative side 13 and second side 14; Described first accommodation space 11 penetrates the both

sides

13,14 of described body 10; And first accommodation space 11 be equipped with a flange that extends internally 112 near first side 13, contiguous described second sides 14 of described first accommodation space 11 are provided with a circular groove 111.

Described body 10 is provided with two guide holes 15 that are arcuation in first side 13 with respect to the position of second accommodation space 12; Described two guide holes 15 communicate in described second accommodation space 12; Described two guide holes 15 are that the center of circle is the arcuation arrangement with the axle of first accommodation space 11, and described two guide holes 15 comprise an arc length 151 and a radical length 152 respectively.Described body 10 is provided with the positioner 16 that a part is exposed to described second accommodation space 12, and described positioner 16 is between described two guide holes 15.In the present embodiment, described positioner 16 is a

tank

161 and 162 formations of keeper that are located in the tank 161.Described keeper 162 is located in the tank 161 and the part is exposed to described second accommodation space 12.Described keeper 162 is steel balls.This keeper 162 only can rotate in tank 161 and can't in tank 161, move, and so, can effectively avoid meeting aquatic rust or meet impurity and irremovable problem has overcome the prior art problems point.

Described body 10 only need be provided with described two

accommodation spaces

11,12; And above second accommodation space 12; Body 10 first sides 13 design of establishing described two guide holes, 15, two

accommodation spaces

11,12, two guide holes 15 does not just influence the structural strength of body 10, lets body 10 have high-intensity characteristic; And two

accommodation spaces

11,12 can be accomplished via easy processing mode easily, except can rapid processing also saving processing cost.

Described spine move part 20 rotating being hubbed in described first accommodation space 11, and spine move part 20 can produce relative rotation relationship with described body 10.The outer rim wall of described spine move part 20 is equipped with tooth 21, and described spine move part 20 inboard formation one are the drive division 22 of square toes structure.Described spine move part 20 1 end ring are provided with a scrobicular ring 23; Described scrobicular ring 23 proper circular grooves 111 corresponding to described body 10 first accommodation spaces 11; One C type is buckled 24 and is located in described scrobicular ring 23 and described circular groove 111, makes described spine move part 20 buckled 24 by the C type and does not break away from described body 10 with flange 112 restrictions.

Described clamping and drawing device 30 is slidably to be located in second accommodation space 12 of described body 10, and clamping and drawing device 30 can produce relative meshing relation with spine move part 20.Described clamping and drawing device 30 comprises that two clamping pieces 31 and one are located at two elastomers 32 between the clamping piece 31; Described elastomer 32 connects described two clamping pieces 31; The end face of described two clamping pieces 31 forms a receiving part 311 and a guidance part 312; Described guidance part 312 adjacent described receiving parts 311 places are vertical plane, and described guidance part 312 is convexly equipped with the end face at described clamping piece 31, and adjacent described receiving part 311; Described clamping piece 31 is provided with tooth 313 with respect to a side of spine move part 20, meshes for the tooth 21 with spine move part 20.The one side of clamping piece 31 adjacent teeth 313 is provided with a recess 314, and the two ends of described elastomer 32 are placed on respectively in the recess 314 of described two clamping pieces 31, provides clamping piece 31 to be engaged in the power of spine move part 20.

Described reversing switch 40 is located on the body 10 and can between at least two positions, moves, and in the present embodiment, described reversing switch 40 has three positions, and described reversing switch 40 can be moved between three positions.Described reversing switch 40 is located at the position of described body 10 with respect to second accommodation space 12 with the mode of arcuation swing, is used for controlling the meshing relation between clamping piece 31 and the spine move part 20.

Described reversing switch 40 comprises a toggle 41 and a locating part 43.Described toggle 41 comprises a clicking section 411 and two foots 412, and described clicking section 411 is arcuation, makes that described clicking section 411 is to be arcuation along guide hole 15 to move when stirring described clicking section 411.Described two foots 412 are gone out by the prominent length of the one side of described clicking section 411; Described two foots 412 form vertical connection with described clicking section 411; Described two foots 412 non-parallel arrangements and form an angle, described two foots 412 all point to the center of circle of described first accommodation space 11 and described spine move part 20.The middle section of described foot 412 also forms a notch 413, and the direction that described notch 413 forms is parallel with described clicking section 411, and described notch 413 is towards described first accommodation space 11.Described clicking section 411 is flattened on first side 13 of described body 10; Described two foots 412 pass two guide holes 15 of described body 10 and stretch in second accommodation space 12; Described two foots 412 comprise thickness 4121 and a length 4122 respectively; The thickness 4121 of described two foots 412 is less than the arc length 151 of described two guide holes 15; Described two foots 412 can be the arcuation swing respectively in described two guide holes 15, the length 4122 of described two foots 412 just equals the radical length 152 of described guide hole 15, and the length 4122 of described two foots 412 is limited in described radical length 152; Described two foots 412 can not deviate from by described guide hole 15, make described toggle 41 be located at described guide hole 15.Described two foots 412 stretch through in the receiving part 311 of described two clamping pieces 31, spur the guidance part 312 of described clamping piece 31 with the wall selectivity of described two foots 412.

Described locating part 43 has the curved rectangular sheet of elasticity, is a steel disc at present embodiment.Locating part 43 comprises two long limit and two minor faces; The two ends of described locating part 43 are respectively equipped with a notch 431; Described notch 431 is located at a long limit wherein and is positioned at away from the long limit of first accommodation space 11 with spine move part 20; Be provided with at least two limiting sections 432,434 between two notches 431, described two limiting sections 432,434 can produce relative positioning relation with positioner 16.Be to be provided with three limiting sections that form a line 432,433,434 in the present embodiment, described limiting section 432,433,434 is circular hole and can produces relative positioning relation with described positioner 16.Described locating part 43 is placed between described second accommodation space 12 and two clamping pieces 31; Described locating part 43 is pegged graft with two foots 412 of described toggle 41 and is combined; The notch 431 of described locating part 43 is plugged in the notch 413 of described two foots 412; Described locating part 43 receives described toggle 41 and controls and be arcuation and move; Described locating part 43 also produces the strain selectivity with wherein a limiting section 432,433,434 keeper 162 corresponding to described positioner 16, makes described reversing switch 40 produce locating effects.Because the keeper 162 of described positioner 16 can not move in tank 161, keeper 162 only can rotate, and therefore can improve service life, has advantages of good positioning effect simultaneously.

With reference to Fig. 3 and Fig. 4, be the sketch map of reversing switch 40 of the present invention in primary importance.Stir pivot and put described reversing switch 40 in primary importance; Two foots 412 of described toggle 41 move in two guide holes 15 respectively; And two foots 412 of toggle 41 drive described locating part 43 simultaneously and in second accommodation space 12, move, and second limiting section 433 of described locating part 43 is corresponding to described positioner 16, and described keeper 162 is positioned described second limiting section 433; The relativeness of further fixing described toggle 41 and described two clamping pieces 31; At this moment, the tooth 313 of described two clamping pieces 31 is engaged in the tooth 21 of described spine move part 20 simultaneously, and described spine move part 20 can't rotate with respect to body 10; That is to say that described spine move part 20 can rotate with body 10 synchronously, can reach the effect of fine setting working substance during use.

With reference to Fig. 5 and Fig. 6, be the sketch map of ratchet spanner 40 of the present invention in the second place.Stir clicking section 411 that pivot puts described reversing switch 40 toggles 41 in the second place; Two foots 412 of described toggle 41 move in two guide holes 15 respectively; And driving described locating part 43 moves in second accommodation space 12; First limiting section 432 that makes described locating part 43 is corresponding to described positioner 16; Described keeper 162 is positioned described first limiting section 432, the relativeness of further fixing described toggle 41 and described two clamping pieces 31, at this moment; Because two foots 412 all point to the center of circle of described first accommodation space 11 and described spine move part 20; When the guidance part 312 of the toggle 41 described clamping piece 31 wherein of a foot 412 pulling wherein, can make the certain tooth 21 of tooth 313 of the clamping piece 31 that is pulled, and described clamping piece 31 changes the relative position with described second accommodation space 12 away from spine move part 20; And the tooth 313 of another clamping piece 31 still is engaged in the tooth 21 of described spine move part 20, and this moment, described spine move part 20 can rotate with respect to body 10 in a clockwise direction.

It should be noted that; The foot 412 of toggle 41 contacts with the face on the guidance part 312 formation planes of clamping piece 31; And the contact plane between described foot 412 and the described guidance part 312 is through the center of circle of first accommodation space 11; Toggle 41 can be effectively and certain described clamping piece 31 of pulling, and clamping piece 31 does not have or the possibility of slippage.

With reference to Fig. 7 and Fig. 8, be the sketch map of ratchet spanner 40 of the present invention in the 3rd position.Stir clicking section 411 that pivot puts described reversing switch 40 toggles 41 in the 3rd position; Two foots 412 of described toggle 41 move in two guide holes 15 respectively; And driving described locating part 43 moves in second accommodation space 12; The 3rd limiting section 434 that makes described locating part 43 is corresponding to described positioner 16; Described keeper 162 is positioned described the 3rd limiting section 434, the relativeness of further fixing described toggle 41 and described two clamping pieces 31, at this moment; Because two foots 412 all point to the center of circle of described first accommodation space 11 and described spine move part 20; When the guidance part 312 of the toggle 41 described clamping piece 31 wherein of a foot 412 pulling wherein, can make the certain tooth 21 of tooth 313 of the clamping piece 31 that is pulled, and described clamping piece 31 changes the relative position with described second accommodation space 12 away from spine move part 20; And the tooth 313 of another clamping piece 31 still is engaged in the tooth 21 of described spine move part 20, and this moment, described spine move part 20 can be with respect to body 10 counterclockwise to rotate.

The locating part 43 of described reversing switch 40 has the position of three location; Further control three positions that toggle 41 is positioned centre, the left side and the right; Utilize reversing switch 40 moving between three positions; Selectivity is controlled clamping piece 31 through toggle 41 tooth 313 reaches and controls the purpose that spine move part 20 specific directions rotate away from the tooth 21 of/described spine move part 20 of engagement.

With reference to Fig. 9, be second embodiment of the present invention.Present embodiment is identical with previous embodiment haply, and its difference place has two.The inboard that first difference is actuator 50 forms the drive division 52 of a plum blossom hole structure.Second difference is that locating part 44 is provided with the first, the 3rd limiting section 442,444 between two notches 441; Reversing switch 40 can be moved between two positions of on the left side or the right, let actuator 50 optionally produce clockwise direction or rotation counterclockwise with respect to body 10.Above-mentioned structural change still can produce the effect that is same as aforementioned first embodiment, and hence one can see that, and aforesaid structural equivalents changes the category that still belongs to institute of the present invention desire protection.

With reference to Figure 10 and Figure 11, be the 3rd embodiment of the present invention.Present embodiment is same as first embodiment haply, and its difference is the design difference of the positioner 17 of described body 10.

Described body 10 is provided with the positioner 17 that a part is exposed to described second accommodation space 12, and described positioner 17 is between described two guide holes 15.In the present embodiment, described positioner 17 is locating convex blocks 172, is to be formed by 171 of body 10 first sides 13 punching out grooves.Described locating convex block 172 is that the part is exposed to described second accommodation space 12.Because the locating convex block 172 of described positioner 17 can not move; So advantages of good positioning effect can effectively be provided; More reached simultaneously the effect that improves service life, and such design can not met aquatic rust yet or met impurity and irremovable problem.Hence one can see that, is same as equivalence of the present invention and changes the category that all belongs to institute of the present invention desire protection.

Ratchet spanner of the present invention only needs to establish two accommodation spaces at body, can hold spine move part, clamping and drawing device and reversing switch.The processing of two accommodation spaces is quite easy, does not have the problem of processing difficulties fully, can effectively save processing cost.Moreover; The present invention relies on two foots of toggle to stretch into the receiving part of clamping piece, and toggle two foots contacts with the guidance part formation face of clamping piece, makes two foots' selectivity spur the guidance part of two clamping pieces by means of stirring toggle; Because toggle two foots stretch in receiving part really; Two foots can be certain the pulling clamping piece, let clamping piece not have to break away from or the possibility of slippage, reach the purpose of certain pulling clamping piece; And the top of keeper pulls and need not use spring and change with the elasticity of locating part location, avoided all inconvenience of deriving because of spring failure really.

Can summarize the present invention with regard to the above and have following advantage:

More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.

Claims

1. a ratchet spanner is characterized in that, includes:

One reversing switch; Be located on the described body and can between at least two positions, move; Described reversing switch includes a toggle and a locating part, and described toggle has the clicking section and two foots that stretch in second accommodation space that supply user's operation, and described two foots can contact the guidance part at described two clamping pieces; Described locating part is a rubber-like steel disc; Described locating part is located in second accommodation space and is incorporated into two foots of described toggle, and described locating part has at least two limiting sections, and described limiting section can produce relative positioning relation with described positioner.

2. ratchet spanner according to claim 1; It is characterized in that: described positioner comprises the tank and the keeper that is located in the tank that are located on the body; Described keeper part is exposed to described second accommodation space, and described keeper is a steel ball that can in tank, rotate and not move.

3. ratchet spanner according to claim 1; It is characterized in that: described positioner is a locating convex block; Through at groove of body one side blow system, and form said locating convex block at the body opposite side, described locating convex block part is exposed to described second accommodation space.

4. according to claim 1,2 or 3 described ratchet spanneres; It is characterized in that: described locating part is provided with three limiting sections; Described three limiting sections are defined as first limiting section, second limiting section and the 3rd limiting section, and described reversing switch can be moved between three positions, and described reversing switch is when primary importance; Described positioner is positioned described second limiting section; The relativeness of fixing described toggle and described two clamping pieces, the tooth of described two clamping pieces is engaged in the tooth of described spine move part simultaneously, and described spine move part can't rotate with respect to body; Described reversing switch is when the second place; Described positioner is positioned described first limiting section; The foot of described toggle spurs in said two clamping pieces; Make the tooth of the tooth of clamping piece away from described spine move part, described spine move part can produce clockwise direction with respect to body and rotate; Described reversing switch is when the 3rd position; Described positioner is positioned described the 3rd limiting section; The foot of described toggle one of spurs in said two clamping pieces, makes the tooth of the tooth of clamping piece away from described spine move part, and described spine move can produce counterclockwise with respect to body and rotate; The one side of described clamping piece adjacent teeth is provided with a recess, and described elastomeric two ends are placed on respectively in the recess of described two clamping pieces.

5. according to claim 1,2 or 3 described ratchet spanneres; It is characterized in that: described body offers two guide holes that are communicated in described second accommodation space; Described two guide holes are to confess respectively that two of described toggle wear to extend into second accommodation space; Described two guide holes are that the center of circle is the arcuation arrangement with the axle of first accommodation space, make described toggle produce the arcuation displacement along described two guide holes.

6. ratchet spanner according to claim 5; It is characterized in that: described two guide holes comprise an arc length respectively; Described two foot sections do not comprise a thickness, and described two foots stretch through in described two guide holes, and the arc length of described two guide holes is greater than the thickness of described two foots.

7. ratchet spanner according to claim 5; It is characterized in that: described two guide holes comprise a radical length respectively; Described two foot sections do not comprise a length; Described two foots stretch through in described two guide holes, and the radical length of described two guide holes equals the length of described two foots, make described toggle be located in the described guide hole.

8. ratchet spanner according to claim 1 is characterized in that: described foot is that the plane contacts with the face on plane with described guidance part, and the contact plane between described foot and the described guidance part is through the center line of first accommodation space.

9. ratchet spanner according to claim 5; It is characterized in that: two foot sections of described toggle are not provided with a notch; The notch of described toggle two foots is towards described first accommodation space and described spine move part, and described locating part is plugged in the notch of described two foots.

10. ratchet spanner according to claim 5; It is characterized in that: the curved rectangular sheet of described locating part; Comprise two long limit and two minor faces; Described locating part two ends are respectively equipped with a notch, and a long limit and described length that the notch of described locating part is located at wherein are outlying from described first accommodation space and described spine move part, and described two notches are pegged graft and are incorporated into described two foots.

11. ratchet spanner according to claim 5; It is characterized in that: two foot sections of described toggle are not provided with a notch; The notch of described toggle two foots is towards described first accommodation space and described spine move part; The curved rectangular sheet of described locating part comprises two long limit and two minor faces, and described locating part two ends also are respectively equipped with a notch; A long limit and described length that the notch of described locating part is located at wherein are outlying from described first accommodation space and described spine move part, and the notch of described toggle is pegged graft with the notch of described locating part and is incorporated into.