CN200963798Y

CN200963798Y - Ratchet wrench

Info

Publication number: CN200963798Y
Application number: CN 200620137436
Authority: CN
Inventors: 陈弘泽
Original assignee: Stanley Chiro International Ltd
Current assignee: Stanley Chiro International Ltd
Priority date: 2006-10-12
Filing date: 2006-10-12
Publication date: 2007-10-24
Anticipated expiration: 2016-10-12

Abstract

The utility model discloses a ratchet wheel wrench, which comprises a wrench body, a grab handle, a connecting rod unit arranged between the wrench body and the grab handle, a ratchet wheel cylinder arranged in the wrench body with the axial direction towards a piercing hole, a first driving unit arranged between the wrench body and the ratchet wheel cylinder and a second driving unit arranged between the connecting rod unit and the wrench body and the ratchet wheel cylinder. The utility model can drive the ratchet wheel cylinder rotating through the first driving unit by pulling the grab handle, and also can drive the ratchet wheel sleeve rotating through the second driving unit by turning the grab handle, thus the utility model has the using characteristic of rather convenient operation.

Description

Ratchet spanner

Technical field

The utility model relates to a kind of hand-held tool, particularly relates to a kind of in order to rotate the ratchet spanner of spiral lock.

Background technology

In order conveniently to screw or unscrew spiral lock (for example bolt, nut), therefore there is the dealer to develop ratchet spanner, mainly be that the spine move part that is provided with ratchet ring, sleeve joint hole is installed in wrench body, be provided with several ratchets can with the clamping piece of this ratchet ring engagement, but and the elasticity top that pushes against this clamping piece part of pulling.

During use, be to pull this wrench body its axis along this spine move part is rotated, the part bullet of then can pulling by this top pushes away the engagement of this clamping piece and this spine move part, and then can drive the spiral lock that this spine move part drives in its sleeve joint hole and rotate, and reaches the function of use that screws or unscrew this spiral lock relatively.

Though this ratchet spanner has above-mentioned function of use, because only possess the mode of operation of pulling this wrench body, usually to be subject to the operating space less so still exist, and causes operating inconvenient disappearance.

The utility model content

The purpose of this utility model be to provide a kind of possess pull, rotate the different operating mode, operate more convenient ratchet spanner.

The utility model ratchet spanner is in order to the rotation spiral lock, comprises a wrench body, a lever, a linkage unit, a ratchet tube, first driver element and one second driver element, it is characterized in that:

This wrench body comprises a head, a sleeve that radially extends from this head, an axial through bore that is arranged at this head and centers on a first axle, one from this axial through bore towards the radial perforation of this cover degeneracy, and from this radial perforation at least one arc groove towards the side setting around second axis that intersects with this first axle.

This linkage unit is to be to be installed in rotationally between this radial perforation and this lever around this second axis, and this wrench body can be moved along this second axis relative to this lever.

This ratchet tube is to install to be positioned in this axial through bore, comprises a spina intermedia torus, a top ratchet ring, and one along this first axle be provided with in order to the sleeve joint hole of this spiral lock noose.

This first driver element comprises that an installation is positioned at the interior matrix of arc groove of this wrench body, and one is installed in the interior stopper tooth piece in order to this spina intermedia torus of stopper of this arc groove, and an elastomer that is installed between this matrix and this stopper tooth piece.

This second driver element comprises a travelling gear from this linkage unit moulding and contiguous this spina intermedia torus, an apical tooth dish that is nested with outside this top ratchet ring and is subjected to this travelling gear transmission, and be installed on the array top clip assembly of this apical tooth dish in order to this top ratchet ring of stopper.

By above-mentioned composition, when pulling this lever this wrench body is rotated around this first axle, then can drive this spiral lock by this this ratchet tube of first driver element stopper rotates, drive this linkage unit around this second axis rotation when rotating this lever, then can drive this spiral lock by this this ratchet tube of second driver element stopper rotates, make whereby to the utlity model has visual operation space size change mode of operation, have the more convenient operating characteristic of operation relatively.

Description of drawings

Fig. 1 is the vertical view of a preferred embodiment of the utility model ratchet spanner, illustrates that linkage unit taken in the state in the lever;

Fig. 2 is the exploded perspective view of this preferred embodiment;

Fig. 3 is the local combination stereogram of this preferred embodiment, and the built-in rod that this linkage unit is described is taken in the state in this lever;

Fig. 4 is an assembled sectional view of taking from Fig. 3;

Fig. 5 is the local assembled sectional view of this preferred embodiment, and the assembled state of apical tooth dish, top clip assembly and top ratchet ring is described;

Fig. 6 is the local assembled sectional view of this preferred embodiment, and the assembled state of first driver element and spina intermedia torus is described;

Fig. 7 is the local assembled sectional view of this preferred embodiment, and the assembled state of end fluted disc, end clip assembly and end ratchet ring is described;

Fig. 8 is the use schematic diagram of this preferred embodiment, and the state of pulling out the local of linkage unit and pulling lever is described;

Fig. 9 is the use schematic diagram of this preferred embodiment, and whole state of pulling out this linkage unit is described;

Figure 10 is the use schematic diagram of this preferred embodiment, and explanation is bent into zigzag with this linkage unit and rotates the state of this lever.

Concrete ten thousand formulas of implementing

Below by most preferred embodiment and accompanying drawing the utility model ratchet spanner is elaborated.

Be noted that employed relative position term in entire description before the detailed description, for example " top ", " end " are that the direction of operating with the operator is a benchmark.

As shown in Figure 1, 2, the utility model ratchet spanner comprises a wrench body 10, lever 20, linkage unit 30, ratchet tube 40, first driver element 50 and one second driver element 60.

This wrench body 10 comprises a head 11, one from this head 11 sleeve 12 of extending of undergauge radially, one is arranged at this head 11 and around the axial through bore 13 of a first axle X, and one from this axial through bore 13 towards this sleeve 12 and around a radial perforation 14 with the crossing second axis Y of this first axle X.

This axial through bore 13 has the storage tank 131 that is arranged in middle and this radial perforation 14 that aligns, and lays respectively at the bigger top storage tank 132 and end storage tank 133 in top, bottom side and aperture of storage tank 131 in this.Should between storage tank 131 and the aforementioned storage tank 132,133 and cooperate formation flange 15.

This wrench body 10 also comprises two arc grooves 16 that are provided with and are connected this flange 15 from this radial perforation 14 towards both sides.

This lever 20 is to extend along this second axis Y, has an appearance batter 21 around this second axis Y.In addition, this lever 20 is to make with rubber, plastics in the present embodiment.

As Fig. 2,3, shown in 4, this linkage unit 30 comprises a stationary magazine creel 31 that is fixed in this appearance batter 21, one is the built-in rod 32 that can pass this stationary magazine creel 31 movably along this second axis Y, one pivot is tied the connecting rod 33 in this built-in rod 32, one pivot is tied in this connecting rod 33 and is penetrated operating bar 34 in the radial perforation 14 of this wrench body 10, one group of spacing assembly 35 that is installed on this built-in rod 32, one group is installed in the location of first between this connecting rod 33 and this built-in rod 32 assembly 36, one group is installed in the location of second between this connecting rod 33 and this operating bar 34 assembly 37, and a moving part 38 that is installed on this operating bar 34.

This stationary magazine creel 31 has around this second axis Y and defines the perisporium 312 of endoporus 311, an annular groove 314 that also centers on this second axis Y from this perisporium 312 towards urceolus face 313, four symmetrical grooves 315 along this second axis Y is provided with towards inner face from the outer face reach by four symmetrical projections 316 that form that aforementioned grooves 315 cooperates.

This built-in rod 32 has built-in section 321 of being reverse and is disposed radially in this containing hole of built-in section 321 323 with 322, one of pivot knot sections, and is arranged at three locating holes 324 of this pivot knot section 322 and space.

This spacing assembly 35 is mounted in this containing hole 323, have an elastomer 351 and a limited post 352, this elastomer 351 can be bestowed the biasing force of these limited post 352 perseverances away from this elastomer 351, whereby, when this built-in rod 32 is drawn out and moves along this second axis Y, the annular groove 314 that can enter this stationary magazine creel 31 by this limited post 352 just produces the holding position-limiting action, just can prevent that this built-in rod 32 breaks away from this stationary magazine creel 31.

This connecting rod 33 has two flutings 331,332 that are provided with along this second axis Y respectively, and is communicated with two containing holes 333,334 of aforementioned fluting 331,332 respectively.

This operating bar 34 has the pivot knot section 341 that is reverse and is disposed radially in the containing hole 343 of this pivot knot section 341 with built-in section 342, one that are positioned at this radial perforation 14, and is arranged at three locating holes 344 of this pivot knot section 341 and space.

This first location assembly 36 is mounted in this containing hole 333, has an elastomer 361 and a positioning bead 362, and this elastomer 361 can be bestowed the biasing force of these positioning bead 362 perseverances away from this elastomer 361.

This second location assembly 37 is mounted in this containing hole 334, has an elastomer 371 and a positioning bead 372, and this elastomer 371 can be bestowed the biasing force of these positioning bead 372 perseverances away from this elastomer 371.

About of the assembling of this connecting rod 33 with this built-in rod 32, only need should slot and 331 be placed on this pivot and tie outside sections 322, one first pivot 391 radially being worn pivot is fixed between this connecting rod 33 and this pivot knot section 322 again, just can make this connecting rod 33 and these built-in rod 32 mutual pivot knots, and make this connecting rod 33 can this first pivot 391 rotate bending relative to this built-in rod 32 for fulcrum, relend by this positioning bead 362 and can enter one of them locating hole 324 and produce the holding effect, then can make this connecting rod 33 rotate the bending back and obtain the location.

About of the assembling of this connecting rod 33 with this operating bar 34, only need should slot and 332 be placed on this pivot and tie outside sections 341, one second pivot 392 radially being worn pivot is fixed between this connecting rod 33 and this pivot knot section 341 again, just can make this connecting rod 33 and these operating bar 34 mutual pivot knots, and make this connecting rod 33, this operating bar 34 relatively rotate bending for fulcrum by this second pivot 392, relend by this positioning bead 372 and can enter one of them locating hole 344 and produce the holding effect, then can make this connecting rod 33 or this operating bar 34 rotate the bending back and obtain the location.

This moving part 38 is to plant to be fixed in the containing hole 343 of this operating bar 34 and to protrude this operating bar 34, when this built-in rod 32, this connecting rod 33 are taken in the appearance batter 21 of this lever 20, the groove 315 of this moving part 38 these stationary magazine creels 31 of alignment and entering in this stationary magazine creel 31 simultaneously, at this moment, rotate this lever 20, just can rotate around this second axis Y together by these projection 316 these moving parts 38 of promotion, this operating bar 34.

This ratchet tube 40 comprises a spina intermedia torus 41, ratchet ring 43 at the bottom of being arranged at top, the bottom side of this spina intermedia torus 41 respectively and dwindling the top ratchet ring 42, of footpath degree, around this first axle X and form the perisporium 45 of a sleeve joint hole 44, and an elastica body 46 that is installed on this perisporium 45.

This ratchet tube 40 can be placed on (see figure 1) outside the spiral lock 70 by this sleeve joint hole 44, improves the noose effect of this spiral lock 70 and this ratchet tube 40 simultaneously by this elastica body 46.

When this ratchet tube 40 being inserted in the axial through bore 13 of this wrench body 10, then this spina intermedia torus 41, this top ratchet ring 42, this end ratchet ring 43 lay respectively in storage tank 131 in this, this top storage tank 132, this end storage tank 133 just.

Shown in Fig. 2,6, this first driver element 50 comprises that an installation is positioned at the matrix 51 in the arc groove 16 of this wrench body 10, one be installed in this arc groove 16 and be provided with several ratchets 521 in order to these spina intermedia torus 41 intermeshing stopper tooth pieces 52, and elastomer 53 that is installed between this matrix 51 and this stopper tooth piece 52.

This elastomer 53 can be bestowed the biasing force that these stopper tooth piece 52 perseverances move towards this spina intermedia torus 41, to increase the engagement effect of aforementioned ratchet 521, spina intermedia torus 41.

Whereby,, this wrench body 10 is rotated around this first axle X, then can drive this ratchet tube 40, and then reach the effect (see figure 1) of rotating this spiral lock 70 by this stopper tooth piece 52 when pulling this lever 20.

As Fig. 2,5, shown in 7, this second driver element 60 comprises built-in section 342 a neck post 61 that extends and pass this matrix 51 along this second axis Y undergauge from this operating bar 34, a free-ended travelling gear 62 that takes shape in this neck post 61, one is nested with outside the top of this ratchet tube 40 ratchet ring 42 and is positioned at this top storage tank 132 and is subjected to the apical tooth dish 63 of these travelling gear 63 transmissions, be installed on the array top clip assembly 64 of this apical tooth dish 63, an installation is positioned in this top storage tank 132 and is positioned at fending off of these apical tooth dish 63 top sides and encircles 65, one is nested with outside the end of this ratchet tube 40 ratchet ring 43 and is positioned at this end storage tank 133 and is subjected to the end fluted disc 66 of these travelling gear 63 transmissions, be installed on the end baffle ring 68 that 67, one installations of clip assembly at the bottom of the array of this end fluted disc 66 are positioned in this end storage tank 133 and are positioned at these end fluted disc 66 bottom sides.

This apical tooth dish 63 has with the internal ring wall 631 and external annulus 632 around this first axle X of equal diameter not, the end face 633 and the end flank of tooth 634 that link aforementioned ring wall 631,632 reach several containing grooves 635 that are provided with and are communicated with this internal ring wall 631 from this end face 633 towards this end flank of tooth 634.This end flank of tooth 634 is in order to be meshing with each other with this travelling gear 62, so that this apical tooth dish 63 can be by these travelling gear 62 transmissions.

Aforementioned top clip assembly 64 is to be installed in respectively in the aforementioned containing groove 635, each group top clip assembly 64 respectively have in order to the clipping block 641 of the top ratchet ring 42 mutual clips of this ratchet tube 40, and be installed in elastomer 642 between this clipping block 641 and this apical tooth dish 63.This elastomer 642 can be bestowed the biasing force that these clipping block 641 perseverances move towards this top ratchet ring 42, to increase the engagement effect of aforementioned clipping block 641, top ratchet ring 42.

This ring 65 of fending off has the effect that can prevent that aforementioned top clip assembly 64 from coming off.

This end fluted disc 66 has with the internal ring wall 661 and external annulus 662 around this first axle X of equal diameter not, the apical tooth face 663 and the bottom surface 664 that link aforementioned ring wall 661,662 reach several containing grooves 665 that are provided with and are communicated with this internal ring wall 661 from this bottom surface 664 towards this apical tooth face 663.This apical tooth face 633 is in order to being meshing with each other with this travelling gear 62 so that should end fluted disc 63 can be by these travelling gear 62 transmissions.

Clip assembly of the aforementioned end 67 is to be installed in respectively in the aforementioned containing groove 665, each group end clip assembly 67 respectively have in order to the clipping block 671 of the end ratchet ring 43 mutual clips of this ratchet tube 40, and be installed in elastomer 672 between this clipping block 671 and this apical tooth dish 63.This elastomer 672 can be bestowed the biasing force that these clipping block 671 perseverances move towards this end ratchet ring 43, to increase the engagement effect of aforementioned clipping block 671, end ratchet ring 42.

This end baffle ring 68 has the effect that can prevent that clip assembly of the aforementioned end 67 from coming off.

Rotate around this second axis Y when rotating this lever 20, then can drive this travelling gear 62 rotates around this second axis Y synchronously, this apical tooth dish 63 of transmission simultaneously, this end fluted disc 66 rotate around this first axle X, relend by aforementioned top clip assembly 64 can drive this top ratchet ring 42, clip assembly of the aforementioned end 67 can drive this end ratchet ring 43, just can drive this ratchet tube 40 and also rotate, and then reach the effect (see figure 1) of rotating this spiral lock 70 around this first axle X.

Shown in Fig. 1,8,9, during use, can this linkage unit 30 be pulled out outside this lever 20 according to user demand, perhaps with in these linkage unit 30 these levers 20 of income, when this linkage unit 30 is pulled out outside this lever 20, mode of operation then of the present utility model is: pull this lever 20, then can drive this ratchet tube 40 by this first driver element 50 and rotate (see figure 2) around this first axle X, and then reach the use effect of rotating this spiral lock 70; In with these linkage unit 30 these levers 20 of income, mode of operation then of the present utility model has: pull this lever 20 the first, as previously mentioned, the second, rotating this lever 20 makes it rotate around this second axis Y, then can drive this ratchet tube 40 and rotate (see figure 2), and then reach the use effect of rotating this spiral lock 70 around this first axle X by this second driver element 60.

In addition, as shown in figure 10, the utility model is except the aforesaid operations mode, also this linkage unit 30 can be pulled out this lever 20, and this operating bar 34, this connecting rod 33, this built-in rod 32 be bent into the kenel of zigzag, at this moment, rotate this lever 20, can drive this ratchet tube 40 by this second driver element 60 equally and rotate, and then reach the use effect (seeing Fig. 2,1) of rotating this spiral lock 70 around this first axle X.

What deserves to be explained is that aforementioned elastomer all is to lift the compression spring to describe in the present embodiment.

Conclude above-mentionedly, the utility model ratchet spanner has effect as described below and advantage, so can reach the utility model purpose really:

Because the utility model can rotate this spiral lock 70 by the mode of operation of pulling this lever 20, rotating this lever 20, change mode of operation so have visual operation space size, and then have operation more convenient effect and advantage.

Claims

1. ratchet spanner, comprise that a wrench body, lever, one are installed in the linkage unit between this wrench body and this lever, an installation is positioned at ratchet tube, first driver element that is installed between this wrench body and this ratchet tube in this wrench body, and second driver element that is installed between this linkage unit and this wrench body and this ratchet tube, it is characterized in that:

This wrench body comprises a head, a sleeve that radially extends from this head, an axial through bore that is arranged at this head and centers on a first axle, one from this axial through bore towards this sleeve and around the radial perforation of second axis that intersects with this first axle, and from this radial perforation at least one arc groove towards the side setting;

This linkage unit be with so that this wrench body move along this second axis relative to this lever;

This ratchet tube is to install to be positioned in this axial through bore, comprises a spina intermedia torus, a top ratchet ring, and a sleeve joint hole that is provided with along this first axle;

This first driver element comprises that an installation is positioned at the interior matrix of arc groove of this wrench body, and one is installed in the interior stopper tooth piece in order to this spina intermedia torus of stopper of this arc groove, and an elastomer that is installed between this matrix and this stopper tooth piece;

This second driver element comprises a travelling gear from the spina intermedia torus of this linkage unit moulding and contiguous this ratchet tube, an apical tooth dish that is nested with outside the ratchet ring of the top of this ratchet tube and is subjected to this travelling gear transmission, and be installed on the array top clip assembly of this apical tooth dish in order to this top ratchet ring of stopper.

2. ratchet spanner as claimed in claim 1 is characterized in that:

The apical tooth dish of this second driver element has with internal ring wall and the external annulus around this first axle of equal diameter not, the end face that links aforementioned ring wall with and the flank of tooth of the intermeshing end of this travelling gear, and from this end face towards this end flank of tooth setting and be communicated with this internal ring wall several containing grooves in order to ccontaining aforementioned top clip assembly, this end flank of tooth is to be meshing with each other with this travelling gear, and this second driver element also comprises installs the ring of fending off that is positioned this apical tooth dish top side.

3. ratchet spanner as claimed in claim 2 is characterized in that:

Each group top clip assembly respectively have in order to the clipping block of this top ratchet ring clip, and be installed in elastomer between this clipping block and this apical tooth dish.

4. ratchet spanner as claimed in claim 1 is characterized in that:

This ratchet tube also comprises an end ratchet ring that is arranged at this spina intermedia torus bottom side, this second driver element also comprises an end fluted disc that is nested with outside this end ratchet ring and is subjected to this travelling gear transmission, and be installed on this end fluted disc in order to stopper should the array of end ratchet ring at the bottom of the clip assembly.

5. ratchet spanner as claimed in claim 4 is characterized in that:

This apical tooth dish has with internal ring wall and the external annulus around this first axle of equal diameter not, the end face that links aforementioned ring wall with and the flank of tooth of the intermeshing end of this travelling gear, and from this end face towards this end flank of tooth setting and be communicated with this internal ring wall several containing grooves in order to ccontaining aforementioned top clip assembly, this second driver element comprises that also one installs the ring of fending off that is positioned this apical tooth dish top side, this end fluted disc has with internal ring wall and the external annulus around this first axle of equal diameter not, link aforementioned ring wall with intermeshing apical tooth face of this travelling gear and bottom surface, and from this bottom surface towards this apical tooth face setting and be communicated with this internal ring wall several containing grooves in order to clip assembly of the ccontaining aforementioned end, this second driver element also comprises installs the end baffle ring that is positioned this fluted disc bottom side, end.

6. ratchet spanner as claimed in claim 1 is characterized in that:

This linkage unit comprises a stationary magazine creel that is fixed in this lever, a built-in rod of passing this stationary magazine creel, and a pivot is tied the connecting rod in this built-in rod, and a pivot is tied in this connecting rod and penetrated operating bar in the radial perforation of this wrench body.

7. ratchet spanner as claimed in claim 6 is characterized in that:

This stationary magazine creel has around this second axis and defines the perisporium of endoporus, also center on the annular groove of this second axis towards the urceolus face from this perisporium, several symmetrical grooves that are provided with towards inner face from the outer face along this second axis, and being cooperated the several piece symmetry projection that forms by aforementioned grooves, this linkage unit comprises that also a plant is fixed in the moving part of this operating bar.

8. ratchet spanner as claimed in claim 7 is characterized in that:

This linkage unit also comprises one group of spacing assembly that is installed on this built-in rod, has an elastomer and a limited post that pushed away by this elastomer bullet.

9. ratchet spanner as claimed in claim 6 is characterized in that:

This linkage unit comprises that also is installed in the location of first between this connecting rod and this built-in rod assembly.

10. ratchet spanner as claimed in claim 9 is characterized in that:

This built-in rod has several locating holes, and this first location assembly has an interior elastomer of a containing hole that is installed in this connecting rod, and a positioning bead that pushed away by this elastomer bullet.

11. ratchet spanner as claimed in claim 9 is characterized in that:

This linkage unit comprises that also is installed in the location of second between this connecting rod and this operating bar assembly.

12. ratchet spanner as claimed in claim 11 is characterized in that:

This operating bar has several locating holes, and this second location assembly has an interior elastomer of another containing hole that is installed in this connecting rod, and a positioning bead that pushed away by this elastomer bullet.