CN2551403Y - Multifunctional ratchet socket wrench structure - Google Patents

Abstract

The utility model relates to a multi-purpose ratchet type socket wrench structure. The utility model comprises a wrench main body, a driving body and a sleeve barrel nested at one end of the driving body, wherein, the wrench main body is provided with a holding handle end for holding and a connector end presenting a penetrating state, the inner edge of the driving body and the sleeve barrel presents a hollow shape, a ratchet muff coupling part which can clip multi-angular screw rods and composed of a plurality of ratchets arranged at intervals in an equiangular way at the other end of the driving body is arranged at the appreciate position of the inner wall surface, and the using effect is obtained through the muff coupling and embedding of the ratchet muff coupling part and one end of the sleeve barrel.

Description

Multi-functional pawl type box spanner structure

Technical field

The utility model system provides a kind of box spanner instrument, means that especially a kind of ratchet kind of drive of utilizing makes the nested box spanner structure that combines of sleeve and wrench body.

Technical background

Among numerous hand-held tools, box spanner is that wherein function of use is less, a kind of instrument that application is narrower, please referring to Figure 20, shown in Figure 22, because the box spanner of commonly using system utilizes the socket axle of wrench body one end to combine with the running-on of sleeve is sheathed, and this wrench body and sleeve are when sheathed, this socket axle is that plug sleeve is in this running-on, therefore, its sleeve only can be cylinder-like structure, so, not only sleeve can only be pulled as polygonal spiral shell spares such as nuts, and the aspect of its application function can't be promoted, simultaneously, in the use, it is less also to derive driving torsion, material such as wastes in a large number at disappearance, below will commonly use the disappearance that sleeve uses now and do detailed explanation:

1, practicality is not good, because when commonly using jacket casing and being connected on the wrench body, its inner rim system is the closure space of a ㄇ font, therefore, its can be nested and the nut pulled, only limit to hold the form of going into this sleeve inner edge, when also the spiro rod length of even establishing with the nut spiral shell is longer, then commonly use sleeve because of can't nut is sheathed, pull, and must substitute with instruments such as open-end wrench, form the disappearance on using.

2. the usefulness of Qu Donging is limited, because commonly use the running-on width that its sleeve of box spanner and wrench body one end socket-connect, often less than the wide footpath of nested this spiral shell spare socket of this sleeve, to bear the area of exerting oneself that spanner pulls little and form running-on, the big imbalance of force side area that socket turns spiral shell spare is pulled structure (that is the transmission of power be not linearly structure), so, when box spanner when turning spiral shell spare, and can't be complete, the strength that the user is pulled positively, form the strength that drives spiral shell spare, not only make a discount on the benefit, and for example shown in Figure 21, because wrench body and the sheathed structure portion that contacts of sleeve only are the running-on inner edge surface of this sleeve, therefore when pulling the spiral shell spare of large-size, also relatively waste time and energy, and can't bear bigger torsion, and this disappearance is also arranged as the spanner of commonly using of Figure 22.

3. bush material is wasted in a large number, when the jacket casing of commonly using is located on the wrench body, because its inner rim system is the ㄇ font of sealing, therefore on making, be the disappearance of avoiding the more shallow formation of the solid inner edge degree of depth of sleeve to use, be in advance with the length of sleeve lengthening, yet, so but obviously attend to one thing and lose sight of another, make the socket inner edge degree of depth of the nested spiral shell spare of sleeve, have more more than 50% than nut length at least, not only increase the material cost of making for no reason, large-sized sleeve weight is also heavier relatively, and formation holds, the inconvenience when pulling.

Summary of the invention

Main purpose of the present utility model is to solve the above problems and a kind of multi-functional pawl type box spanner structure is provided, it is the application instrument such as drive sleeve and four jiaos or hexagonal screw rod simultaneously that can make box spanner, and when using, can bear bigger torsion and can effectively reduce manufacturing cost.

To achieve these goals, solution of the present utility model is: a kind of multi-functional pawl type box spanner structure, it comprises a wrench body, a driving body, and the sleeve that can be socketed in this driving body one end, wherein: this wrench body system is elongated rod shape, and having one can and be the tip side that runs through form for the handle end that grips; This driving body inner edge is wears hollow structure, one end system forms the ratchet portion that can be installed with in this tip side, other end end system forms and by some ratchet equi-angularly spaces the ratchet socket part of forming is set, and this ratchet socket part respectively be concaved with draw-in groove respectively one on this ratchet internal face; This sleeve is that inner edge is worn empty member, one end system forms with this sour jujube water socket part and connects the covered joint seat of establishing, the other end is the running-on of the cover spiral shell spare of can pulling, this covered joint seat system along the ora terminalis face equi-angularly space of this sleeve be provided with some just and the embedding pawl of this ratchet socket, its inner rim wall is formed with extension draw-in groove that should draw-in groove.The embedding pawl system of the ratchet of this driving body and this sleeve is three-jaw or four paws or five pawl equi-angularly space settings.This driving body and this sleeve system utilizes necklace collar location, a location, and should location necklace is to be located at the end outer peripheral face appropriate location that this driving body and this sleeve socket-connect.This driving body utilizes at least one positioning ball card to establish with this sleeve system and combines, and this positioning ball system is convexly equipped with the outer peripheral face appropriate location at this ratchet or embedding pawl, in order to be embedded fixing with a corresponding groove.This structure also comprises an adaptor, and this adaptor one end is this ratchet socket part, and other end system forms the trepanning of establishing for the socket axle sleeve of conventional sleeve spanner.

Description of drawings

Now with a preferred embodiment and cooperate graphic detailed description the utility model in the back:

Fig. 1 is the utility model three-dimensional appearance schematic diagram (not containing sleeve).

Fig. 2 is the utility model perspective exploded view.

Fig. 3 is the utility model sleeve schematic appearance.

Fig. 4 is another sleeve schematic appearance of the utility model.

Fig. 5 is the utility model combination three-dimensional appearance schematic diagram (containing sleeve).

Fig. 6 is the utility model combination generalized section.

Fig. 7 is the utility model second embodiment three-dimensional appearance schematic diagram.

Fig. 8 is the utility model second embodiment perspective exploded view.

Fig. 9 is another perspective exploded view of the utility model second embodiment.

Figure 10 is that the utility model is pulled outer four jiaos of spanners enforcement illustration.

Figure 11 is that the utility model is pulled outer-hexagonal spanner enforcement illustration.

Figure 12 is that the utility model is pulled hexagonal (hexagon)nut head enforcement illustration.

Figure 13 is the decomposing schematic representation of the utility model sleeve and second kind of socket form of driving body.

Figure 14 is the decomposing schematic representation of the utility model sleeve and the third socket form of driving body.

Figure 15 is that the box spanner decomposing schematic representation is commonly used in the utility model switching.

Figure 16 is that sleeve of the present utility model utilizes adaptor and commonly uses the pattern card of box spanner socket.

Figure 17 commonly uses the box spanner schematic appearance.

Figure 18 is that sleeve of the present utility model is applied in and commonly uses box spanner outward appearance comparison schematic diagram.

Figure 19 is the cross section and the schematic appearance of the utility model ratchet lifting surface area.

Figure 20 commonly uses the box spanner schematic appearance.

Figure 21 commonly uses box spanner lifting surface area schematic cross-section.

Figure 22 commonly uses box spanner to extend sheathed another kind of projection shape sleeve schematic diagram.

The specific embodiment

Please consult Fig. 1 earlier to shown in Figure 6, the multi-functional pawl type box spanner of the utility model structure comprises a wrench body 10, a driving body 20, and a sleeve 30 that can be socketed in these driving body 20 1 ends, wherein:

This wrench body 10 is to be elongated rod shape, have one and can and be the tip side 12 that runs through form for the handle end 11 that grips, the internal face appropriate location of this tip side 12 is provided with the clamp dog (not shown) of pulling, and this clamp dog system of pulling can be subjected to a shifting block 13 to stir direction, the position at its place of control.

This driving body 20 generally is convex, inner edge is wears hollow structure, it forms the ratchet portion 21 that can be installed with in this tip side 12 than path one end system, solid by a cover plate 24 lids, other end system forms the ratchet socket part of being made up of some ratchet 221 equi-angularly space settings 22, on the internal face of this ratchet 221, be concaved with the draw-in groove 222 that is V-shape together in addition respectively.

This sleeve 30 is also worn empty member for inner edge, one end system forms the covered joint seat 31 that connects with this ratchet socket part 22, the other end is the running-on of the cover spiral shell spare of can pulling, this covered joint seat 31 is that the ora terminalis face equi-angularly space along this sleeve 30 is provided with some embedding pawls of just rabbeting with this ratchet 221 311, and its inner rim wall is formed with extension draw-in groove 312 that should draw-in groove 222.

The above-mentioned member of mat, make this driving body 20 and of the mode socket of this sleeve 30 with pawl structures, the strength that spanner is pulled turn is linearly passed on, and it is wider to pull stressed contact area, so that can promote efficient of pulling and the acrotorque that can bear, in addition, the wall of mat its inner rim hollow extends to form the draw-in groove 222,312 of isogonism correspondence, wrench body 10 is possessed have the function of drive sleeve 30 simultaneously and instruments such as outer four jiaos or hexagonal screw rod, simultaneously, and can effectively reduce manufacturing cost.

From the above, what need further specify is, this driving body 20 is set on the position in group with sleeve 30, is can be in many ways for it, below exemplifies two kinds of structure explanations now, at first, as Fig. 1, Fig. 2 and shown in Figure 3, be to utilize necklace 23 collars location, a location, and this location necklace 23 is to be located at ratchet 221 and the embedding pawl 311 outer peripheral face appropriate locations that this driving body 20 and sleeve 30 are nested, certainly, this ratchet 221 and embedding pawl 311 outer edge surface places are arranged with the annular groove 223 for this location necklace 23 location in addition; Moreover, as shown in Figure 4, it is fixing also can to utilize the positioning ball card to establish at the internal face place that this driving body 20 and this sleeve 30 are halved together, and this positioning ball system can be convexly equipped with the outer peripheral face appropriate location at this ratchet 221 or embedding pawl 311, just is embedded fixing with a corresponding arc ditch (not shown).

In addition, please referring to Fig. 7 to shown in Figure 9, the structure that the applied ratchet 221 of the utility model, embedding pawl 311 are nested, also can three-jaw except that can being the four paws form or form such as five pawls for it, mode, characteristics when going up or using as for its assembling are then identical, no longer repeat at this.

Moreover, as Figure 13, shown in Figure 14, the ratchet socket part 22 of these driving body 20 1 ends of the utility model can form long piece portion or two long structures of single form in addition, it is the structure of a long ditch or two long ditches that these sleeve 30 1 ends and this ratchet socket part 22 sheathed covered joint seats 31 then are arranged with, and uses the characteristics that this driving body 20 and sleeve 30 possess the sheathed structure of multiple combination that present.

Again, for the special efficacy that makes the utility model box spanner can be for the sheathed use of the box spanner of generally commonly using, make application of the present utility model more extensive, one adaptor 40 more can be provided, make and commonly use box spanner energy socket sleeve 30 uses of the present utility model, as Figure 15, shown in Figure 16, this adaptor one end is this second ratchet socket part 41, and other end system forms for the sheathed trepanning 42 of the socket axle 51 of conventional sleeve spanner 50, and, as shown in figure 16, applied sleeve 30 structures of the utility model more can be the profile of multiple style.

From the above mentioned as can be known, the utility model can cooperate sleeve to pull outside the spiral shell spares such as general nut, cap silk in the use, also can cooperate the spanner of outer four jiaos or hexagonal to use (as Figure 10 to shown in Figure 12), and have more practicality, simultaneously, it is pulled usefulness and torsion and also significantly promotes, and can reduce manufactured materials, cuts down finished cost, and therefore meets practicality and industry applications.

Claims (5)

1. multi-functional pawl type box spanner structure, it comprises a wrench body, a driving body, and a sleeve that can be socketed in this driving body one end, wherein:

This wrench body system is elongated rod shape, and having one can and be the tip side that runs through form for the handle end that grips;

This driving body inner edge is wears hollow structure, one end system forms the ratchet portion that can be installed with in this tip side, other end end system forms and by some ratchet equi-angularly spaces the ratchet socket part of forming is set, and this ratchet socket part respectively be concaved with draw-in groove respectively one on this ratchet internal face;

This sleeve is that inner edge is worn empty member, one end system forms with this ratchet socket part and connects the covered joint seat of establishing, the other end is the running-on of the cover spiral shell spare of can pulling, this covered joint seat system along the ora terminalis face equi-angularly space of this sleeve be provided with some just and the embedding pawl of this ratchet socket, its inner rim wall is formed with extension draw-in groove that should draw-in groove.

2. multi-functional pawl type box spanner structure according to claim 1 is characterized in that, the embedding pawl system of the ratchet of this driving body and this sleeve is three-jaw or four paws or five pawl equi-angularly space settings.

3. multi-functional pawl type box spanner structure according to claim 1 and 2, it is characterized in that, this driving body and this sleeve system utilizes necklace collar location, a location, and should location necklace is to be located at the end outer peripheral face appropriate location that this driving body and this sleeve socket-connect.

4. multi-functional pawl type box spanner structure according to claim 1 and 2, it is characterized in that, this driving body utilizes at least one positioning ball card to establish with this sleeve system and combines, this positioning ball system is convexly equipped with the outer peripheral face appropriate location at this ratchet or embedding pawl, in order to be embedded fixing with a corresponding groove.

5. multi-functional pawl type box spanner structure according to claim 1 is characterized in that this structure also comprises an adaptor, and this adaptor one end is this ratchet socket part, and other end system forms the trepanning of establishing for the socket axle sleeve of conventional sleeve spanner.

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