CN207788775U - A kind of spanner - Google Patents

Abstract

The utility model is related to hardware tool fields, more particularly to a kind of spanner, include the handle for gripping, the actuating member for revolving outer screw tightening, the extension rod for extending actuating member action length and the ratchet connector for the link handle and the actuating member；Ratchet connector includes the ratchet box being provided at its inner portion and the ratchet that is rotatably arranged in the ratchet box；It is provided in the ratchet box so that ratchet is with respect to the pawl that ratchet box one-directionally rotate；One end of the handle is detachably arranged at the lateral surface of ratchet connector；One end of the extension rod is detachably arranged on the side of ratchet, and one end of the other end and the actuating member is detachably connected；The extension rod is mutually perpendicular to handle, the extension rod and coaxial ratchet.

Description

A kind of spanner

Technical field

The utility model is related to hardware tool field more particularly to a kind of spanners.

Background technology

When needing to lock and unscrew round nut, knuckle buster is usually used, can only just be led to when not having knuckle buster Crossing the mode tapped makes round nut fall off, and round nut fragile in this way can not reuse.Hexagon socket head cap screw generally by Allen wrench is locked and is unscrewed；But limited space is encountered, it is just given when spanner can not be rotated at random and locks and unscrew work It makes troubles.Ratchet spanner is mainly used under particular surroundings（For example allen wrench rotation is inconvenient or makes not energetically）Screw tightening Make-up and unscrew, ratchet spanner has become a kind of widely used Wrench in the whole world, its main feature is that there are one ratchet spanneres Single direction ratchet structure. can control spanner by being placed on the sliding block of outside only to the left or only to the right, just because of there is this single direction ratchet Structure is so operator need not repeat to extract the such action of loading when in use, so being widely used in machinery field. The ratchet spanner dedicated for rotation screw tightening rare at present needs to constantly change different tools, such as in use（Crescent moon Spanner, allen wrench, double offset ring spanner etc.）, many inconvenience are brought to work.

Utility model content

In order to solve the above-mentioned technical problem, the utility model provides a kind of spanner, and the parts on the utility model can be with Arbitrary dismounting assembling；Multiple actuating members of different model size are equipped with, are packed into according to actual needs on the same spanner, energy Screw tightening suitable for different model size dismounts, and using and carrying convenient for tool mitigates the burden that carry.

The technical solution of the utility model is as follows：

A kind of spanner, include for the handle of gripping, for the actuating member of revolving outer screw tightening, for extending actuating member The extension rod of action length and ratchet connector for the link handle and the actuating member；Ratchet connector includes setting The ratchet set ratchet box inside it and be rotatably arranged in the ratchet box；It is provided in the ratchet box so that ratchet The pawl of opposite ratchet box one-directional rotation；One end of the handle is detachably arranged at the lateral surface of ratchet connector；It is described to prolong One end of boom is detachably arranged on the side of ratchet, and one end of the other end and the actuating member is detachably connected；It is described to prolong Boom is mutually perpendicular to handle, the extension rod and coaxial ratchet.

Wherein, when screw tightening is hexagon socket head cap screw, actuating member includes the sleeve being connect with extension rod spline and fixation Be arranged and be used to turn the allen wrench of external hexagon socket head cap screw in barrel end, the allen wrench and sleeve be one at Type.

Wherein, when screw tightening is round nut, actuating member includes that the sleeve being connect with extension rod spline and setting are covering It is used to accommodate the recessed portion of round nut on cylinder other end, is provided with and the groove phase on round nut on the recessed portion inner wall The tongue matched.

Wherein, the quantity of the pawl is two, is symmetricly set on the both sides of ratchet, one end rotation setting of the pawl In ratchet box, ratchet of the other end on ratchet outer circumference surface；The is provided between ratchet box inner wall on the outside of the pawl One spring makes pawl and ratchet engagement under the first spring static(al) state；One cam is arranged in the ratchet box and is located at Between two pawls, the cam and one is rotatably arranged on knob linkage in ratchet box and rotates, and is made by rotating the knob One of described two pawl releases meshing state with ratchet, screws and unscrew the function of screw tightening for switching spanner.

Wherein, the ratchet box lateral surface is outward extended with first party joggle, and one end of the handle is provided with and institute State the first party mortise of first party joggle inserting；One end of the ratchet, which extends outwardly, is provided with second party joggle, institute The one end for stating extension rod is provided with second party mortise with the second party joggle inserting；The other end of the extension rod is arranged There is third party's joggle, third party's mortise with third party's joggle inserting is provided on one end of the actuating member；Institute The big little structure for stating first party joggle, second party joggle and third party's joggle is identical, the first party mortise, second Square tenon hole and the big little structure of third party's mortise are identical.

Wherein, it is horizontally arranged with through-hole on the first party joggle, second party joggle and third party's joggle； Second spring is provided in the through-hole, a steel ball is fixed at the both ends of the second spring respectively；The steel ball is in static(al) state Lower part protrudes through-hole；Steel ball setting groove is corresponded in the first party mortise, second party mortise and third party's mortise respectively； With after each side's mortise inserting, steel ball is absorbed in groove each side's joggle.

The utility model has the advantages that：

1, a kind of spanner of the utility model is provided with multiple syntectonic square tenon holes and square tenon connector, can be in any combination With having the characteristics that flexible and changeable, applicability is wide.

2, a kind of spanner of the utility model, most of circle spiral shell can be met by being equipped with the actuating member of a variety of different model sizes Mother and hexagon socket head cap screw dismounting installation need, and mitigate the burden that carry, easy to carry and placement.

3, a kind of spanner of the utility model, installing and dismounting is simple and quick and effective, simple and practical in structure；Actuating member is slight Abrasion can not influence subsequently to use by repair welding or sand except being repaired part.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the combining structure schematic diagram of ratchet connector and handle；

Fig. 3 is the structural schematic diagram of ratchet connector；

Fig. 4 is sectional view at A-A in Fig. 3；

Fig. 5 is sectional view at B-B in Fig. 4；

Fig. 6 is the structural schematic diagram of handle；

Fig. 7 is the semi-cutaway of extension rod；

Fig. 8 is the structural schematic diagram of actuating member when acting on hexagon socket head cap screw；

Fig. 9 is the structural schematic diagram of actuating member when acting on round nut；

Figure 10 is the vertical view of Fig. 9.

Reference numeral is expressed as in figure：

1, ratchet connector；11, ratchet box；12, ratchet；121, ratchet；13, pawl；2, handle；3, extension rod；4, make Appliance；41, sleeve；5, allen wrench；6, recessed portion；61, tongue；7, the first spring；8, cam；81, knob；9, first party Joggle；91, second party joggle；92, third party's joggle；93, through-hole；94, second spring；95, steel ball；96, groove； 10, first party mortise；101, second party mortise；102, third party's mortise.

Specific implementation mode

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Figures 1 to 10, the spanner of the present embodiment includes for the handle 2 of gripping, for revolving outer screw tightening Actuating member 4, the extension rod 3 for extending 4 action length of actuating member and for the ratchet of co-acting lever 2 and actuating member 4 connect Fitting 1；Ratchet connector 1 includes the ratchet box 11 being provided at its inner portion and the ratchet 12 being rotatably arranged in ratchet box 11； It is provided in ratchet box 11 so that ratchet 12 is with respect to the pawl 13 that ratchet box 11 one-directionally rotate；One end of handle 2 is detachably arranged In the lateral surface of ratchet connector 1；One end of extension rod 3 is detachably arranged on the side of ratchet 12, the other end and actuating member 4 One end be detachably connected；Extension rod 3 is mutually perpendicular to handle 2, and extension rod 3 and ratchet 12 are coaxial.

Preferably, when screw tightening is hexagon socket head cap screw, actuating member 4 include the sleeve 41 that is connect with 3 spline of extension rod with And it is fixed at allen wrench 5 of 41 end of sleeve for turning external hexagon socket head cap screw, allen wrench 5 and sleeve 41 It is to be integrally formed.

Preferably, when screw tightening is round nut, actuating member 4 includes the sleeve 41 being connect with 3 spline of extension rod and sets Set on 41 other end of sleeve for accommodating the recessed portion 6 of round nut, be provided on 6 inner wall of recessed portion with it is recessed on round nut The tongue 61 that slot matches.

Preferably, the quantity of the pawl 13 is two, is symmetricly set on the both sides of ratchet 12, one end rotation of pawl 13 It is arranged in ratchet box 11, ratchet 121 of the other end on 12 outer circumference surface of ratchet；13 outside of pawl and 11 inner wall of ratchet box Between be provided with the first spring 7, so that pawl 13 is engaged with ratchet 121 under 7 static(al) state of the first spring；One cam 8 is arranged in ratchet In box 11 and between two pawls 13, cam 8 interlocks with the rotation with the knob 81 that one is rotatably arranged in ratchet box 11, by turning Dynamic knob 81 screws and unscrews screw tightening so that one of two pawls 13 and the releasing meshing state of ratchet 121 for switching spanner Function.

Preferably, 11 lateral surface of the ratchet box is outward extended with first party joggle 9, one end of handle 2 be provided with The first party mortise 10 of 9 inserting of first party joggle；One end of ratchet 12, which extends outwardly, is provided with second party joggle 91, prolongs One end of boom 3 is provided with the second party mortise 101 with 91 inserting of second party joggle；The other end of extension rod 3 is provided with Tripartite's joggle 92 is provided with third party's mortise 102 with 92 inserting of third party's joggle on one end of actuating member 4；First party The big little structure of joggle 9, second party joggle 91 and third party's joggle 92 is identical, first party mortise 10, the second square tenon Hole 101 and 102 big little structure of third party's mortise are identical.

Preferably, laterally setting on the first party joggle 9, second party joggle 91 and third party's joggle 92 There is through-hole 93；Second spring 94 is provided in through-hole 93, a steel ball 95 is fixed at the both ends of second spring 94 respectively；Steel ball 95 is quiet Power state lower part protrudes through-hole 93；It is corresponded to respectively in first party mortise 10, second party mortise 101 and third party's mortise 102 Groove 96 is arranged in steel ball 95；With after each side's mortise inserting, steel ball 95 is absorbed in groove 96 each side's joggle；41 basis of the sleeve Actual conditions can be also connected directly between on second party joggle 91.

The operation principle of the utility model：

During assembling each parts：A through-hole 93, the second spring 94 in through-hole 93 are provided in each side's joggle It will outward be pushed up positioned at the steel ball 95 at 94 both ends of second spring so that 95 part of steel ball is stretched out outside through-hole 93；When square tenon connector and side When mortise connects, two steel balls 95 and the bead in square tenon hole are touched, and are squeezed into through-hole 93, and square tenon connector continues to square tenon hole phase It to movement, is stretched out to outside through-hole 93 when steel ball 95 reaches the position of groove 96, completes engaging；Otherwise the steel ball in disassembly process 95 can also take in into through-hole 93 so that square tenon connector is extracted out of square tenon hole；By principles above, each parts can be realized Arbitrary combination.

During screw tightening is installed in dismounting：By 81 turn away of knob, pawl 13 in this direction is ejected outward, is made It obtains the pawl 13 and contacts meshing state with ratchet 121；Pawl 13 on another side still keeps engaging with ratchet 121, just It being capable of one direction twisting screw tightening；When according to live needs, negative direction to twist screw tightening, just knob 81 is turned to another Side so that the pawl 13 on another side is engaged with the releasing of ratchet 121, it will be able to realize the purpose.

The utility model further includes the actuating member 4 of several different model specifications, and different rule are provided on the end of actuating member 4 The spanner of trellis shape, such as allen wrench, double offset ring spanner, round nut spanner and box spanner；It unscrews and screws to meet The hexagon socket head cap screw, soket head cap screw, round nut and outer-hexagonal bolt etc. of common various models on the market；41 end of sleeve On may be alternatively provided as the general-purpose sleeve with scalable rod iron.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are equally included in the patent within the scope of the utility model.

Claims (6)

1. a kind of spanner, it is characterised in that：It include the handle for gripping（2）, for the actuating member of revolving outer screw tightening （4）, for extending actuating member（4）The extension rod of action length（3）And for the handle that links（2）With the actuating member （4）Ratchet connector（1）；Ratchet connector（1）Including the ratchet box being provided at its inner portion（11）And it is rotatably arranged on institute State ratchet box（11）Interior ratchet（12）；The ratchet box（11）It is inside provided with so that ratchet（12）Opposite ratchet box（11）Unidirectionally The pawl of rotation（13）；The handle（2）One end be detachably arranged at ratchet connector（1）Lateral surface；The extension rod （3）One end be detachably arranged at ratchet（12）Side on, the other end and the actuating member（4）One end be detachably connected； The extension rod（3）With handle（2）It is mutually perpendicular to, the extension rod（3）With ratchet（12）Coaxially.

2. a kind of spanner as described in claim 1, it is characterised in that：When screw tightening is hexagon socket head cap screw, actuating member（4）Packet It includes and extension rod（3）The sleeve of spline connection（41）And it is fixed at sleeve（41）End is for turning hexagonal spiral shell in outside The allen wrench of bolt（5）, the allen wrench（5）With sleeve（41）It is to be integrally formed.

3. a kind of spanner as described in claim 1, it is characterised in that：When screw tightening is round nut, actuating member（4）Including with Extension rod（3）The sleeve of spline connection（41）And it is arranged in sleeve（41）Recessed portion on other end for accommodating round nut （6）, the recessed portion（6）The tongue with the groove match on round nut is provided on inner wall（61）.

4. a kind of spanner as described in claim 2 or claim 3, it is characterised in that：The pawl（13）Quantity be two It is a, it is symmetricly set on ratchet（12）Both sides, the pawl（13）One end be rotatably arranged on ratchet box（11）Interior, the other end leans on Nearly ratchet（12）Ratchet on outer circumference surface（121）；The pawl（13）Outside and ratchet box（11）First is provided between inner wall Spring（7）, first spring（7）Make pawl under static(al) state（13）With ratchet（121）Engagement；One cam（8）Setting is in institute State ratchet box（11）It is interior and be located at two pawls（13）Between, the cam（8）It is rotatably arranged on ratchet box with one（11）On rotation Button（81）It interlocks with the rotation, by rotating the knob（81）Make two pawl（13）One of and ratchet（121）Release engagement State screws and unscrews the function of screw tightening for switching spanner.

5. a kind of spanner as claimed in claim 4, it is characterised in that：The ratchet box（11）Lateral surface is outward extended with first Square tenon connector（9）, the handle（2）One end be provided with and the first party joggle（9）The first party mortise of inserting（10）； The ratchet（12）One end extend outwardly and be provided with second party joggle（91）, the extension rod（3）One end be provided with With the second party joggle（91）The second party mortise of inserting（101）；The extension rod（3）The other end be provided with third party Joggle（92）, the actuating member（4）One end on be provided with and third party's joggle（92）Third party's mortise of inserting （102）；The first party joggle（9）, second party joggle（91）And third party's joggle（92）Big little structure it is identical, The first party mortise（10）, second party mortise（101）And third party's mortise（102）Big little structure is identical.

6. a kind of spanner as claimed in claim 5, it is characterised in that：The first party joggle（9）, second party joggle （91）And third party's joggle（92）On be horizontally arranged with through-hole（93）；The through-hole（93）Inside it is provided with second spring （94）, the second spring（94）Both ends fix a steel ball respectively（95）；The steel ball（95）It is convex in static(al) state lower part Go out through-hole（93）；The first party mortise（10）, second party mortise（101）And third party's mortise（102）Steel is inside corresponded to respectively Pearl（95）Groove is set（96）；After each side's joggle and each side's mortise inserting, steel ball（95）It is absorbed in groove（96）It is interior.