CN2458129Y

CN2458129Y - Folding positioning structure for wrench

Info

Publication number: CN2458129Y
Application number: CN 00265170
Authority: CN
Inventors: 林坤煌
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-12
Filing date: 2000-12-12
Publication date: 2001-11-07
Anticipated expiration: 2010-12-12

Abstract

The utility model relates to a folding positioning structure of a wrench. The folding positioning structure of the wrench comprises a head part, a connection part and a grab handle. Both ends of the connection part are respectively pivoted with the head part and the grab handle, and a through hole and a containing hole which are penetrated through each other are arranged in the connection part. A first abutting member and a second abutting member which are mutual separated are arranged in the through hole, the first abutting member is clamped with a tooth part of a pin joint part of the head part, and the second abutting member is mutually clamped with a tooth part of a convex part of the grab handle. The containing hole is provided with a pressing member, the middle segment of the pressing member is provided with a minor diameter segment and at least one major diameter segment, and the pressing member is pushed towards one direction by a spring which is arranged in the containing hole. In addition, the angle of the head part and the connection part can be changed freely.

Description

The bending location structure of spanner

The utility model relates to a kind of spanner, relates in particular to a kind of bending location structure of spanner of the fixed angle that can make head and lever.

As Fig. 9 and shown in Figure 10, be the spanner of commonly using, it is made up of a head 6, a junction 7 and a lever 8.One end of this head 6 has protruded out an articulated section 61, and the end face of this articulated section 61 is dentation; And the opposite end of this lever 8 has protruded out a projection 81, and the end face of this projection 81 is dentation.These connecting portion 7 relative articulated sections 61 respectively offer a

U-shaped opening

77,78 with the end face of projection 81, it articulates with articulated section 61 and projection 81 respectively, the blind end bottom surface of this

U-shaped opening

77,78 respectively offers a

groove

73,74, each successively inserts a

spring

72,75 in this

groove

73,74, and pushing up a

sincere steel ball

76,71 respectively, 76,71 of this steel balls can be distinguished the end of inlay card articulated section 61 and projection 81.

When desire is adjusted the angle of head 6 and connecting portion 7, need pull

Wrench head

6,61 the tooth peak pushing and pressing steel ball 71 by the articulated section, and make the elastic force of tooth peak pushing clamping spring 72 strength greater than spring 72 allows spring 72 compressions and steel ball 71 retreats, make that head 6 is rotatable, and allow the tooth peak cross steel ball 71, the tooth paddy that makes steel ball 71 enter next articulated section 61 dentations, like this, spring 72 recovers original length again and makes steel ball 71 and articulated section 61 inlay card mutually once again, so that reach the effect of different angles.But when the user when using this spanner, if it is too big to grip the application of force downward or upward of lever 8, and the dentation end face that makes articulated section 61 can antagonistic spring 72 drags, allow steel ball 71 can retraction grooves 73 in the time, can cause the user to use inconvenience in that the angle of adjusting is in advance changed, therefore, though the spanner that this kind commonly used can be adjusted angle and use, but still can't locate, still have locating of inconvenience so use.

Main purpose of the present utility model is, provide a kind of bending of spanner location structure for solving the above problems, it is to utilize a pressing piece to push up sincere steel ball and thimble, make spanner steel ball when user mode to be fixed, and can not make spanner under user mode, change the angle of head and connecting portion voluntarily.

A time purpose of the present utility model is, provides a kind of bending location structure of spanner, can adjust the angle of lever when head is adjusted angle again, allows the user more can conveniently use spanner and makes spanner be used for how different situations.

The purpose of this utility model is realized by following technical scheme.

A kind of bending location structure of spanner is characterized in that, comprises a head, a junction and a lever; One end of described head is to connect different instruments, and the other end of this head has an articulated section, and this articulated section has a plurality of tooth portion; The articulated section of described connecting portion and this head articulates mutually, this connecting portion inside has an axially extended through hole, establish 2 one first tops of mutually separating part and the one second top part of pulling of pulling in this through hole, this first top part of pulling blocks mutually with the articulated section tooth portion of this head, this connecting portion in this first the top pull part and second the top pull have between the part one with the vertical containing hole that communicates of this through hole, be provided with a pressing piece in this containing hole, one end of this pressing piece has a press section, this pressing piece stage casing has a path section and at least one big footpath section, and this pressing piece is located at spring in this containing hole to a direction pushing tow by one; One end of described lever has protruded out a projection, and this projection is to be articulated with the end of this connecting portion away from head, and the end face of this projection is dentation, and it is and this second top part inlay card mutually of pulling.

The purpose of this utility model can also further realize by following technical measures.

The bending location structure of aforesaid spanner, wherein the projection of this lever is to articulate with this connecting portion other end with one, and a section of the nearly projection of this lever is provided with an overcoat, is provided with second spring between this overcoat and lever.

The bending location structure of aforesaid spanner, wherein an end of the articulated section of this connecting portion and this head pivot joint is one first U-shaped opening, the end that this connecting portion and this lever articulate is one second U-shaped opening.

The bending location structure of aforesaid spanner, wherein the side of this articulated section is provided with the hole of a perforation two sides, and this first U-shaped opening is the hole and the articulated section pivot joint of passing this head with one first connector.

The bending location structure of aforesaid spanner, wherein the containing hole of this connecting portion has a large-diameter portion respectively in the both ends open place.

The bending location structure of aforesaid spanner, wherein this pressing piece revolves lock one fixture away from press section one end.

The bending location structure of aforesaid spanner, wherein this first top part of pulling is a steel ball, this second top part of pulling is a thimble.

The bending location structure of aforesaid spanner, wherein this thimble end of differing from pressing piece becomes screw-like, and is arranged with a spring, and this thimble revolves lock one nut and a thimble head in the spring outer end.

The bending location structure of aforesaid spanner wherein is arranged with one first spring outside the big footpath section of this pressing piece between press section and path section.

The utility model can change the angle of head and connecting portion voluntarily.

For further understanding technology contents of the present utility model, characteristics and effect, exemplify following preferred embodiment now, and conjunction with figs. is described in detail as follows:

Fig. 1 is a combination schematic appearance of the present utility model.

Fig. 2 is an exploded perspective schematic diagram of the present utility model.

Fig. 3 is the cutaway view of III-III shown in Figure 1.

Fig. 4 is the cutaway view of IV-IV shown in Figure 2.

Fig. 5 is an action schematic diagram of the present utility model ().

Fig. 6 is an action schematic diagram of the present utility model (two).

Fig. 7 is the schematic perspective view of second embodiment of the present utility model.

Fig. 8 is the cutaway view of VIII-VIII line shown in Figure 7.

Fig. 9 is a cutaway view of commonly using product.

Figure 10 commonly uses the cutaway view that product becomes 90 ° with shown in Figure 9.

See also Fig. 1 to Fig. 6, the utility model is a kind of bending location structure of spanner, and it is made up of a head 1, a junction 2 and a lever 3.

One end of this head 1 can connect the working head (not shown) of multiple difference in functionality, and the other end is extended with an articulated section 11, and the end face of this articulated section 11 is most dentations, and the side of articulated section 11 is provided with the hole 12 of a perforation two sides.

One end of this connecting portion 2 is one first U-shaped opening 21, and the first U-shaped opening 21 of this connecting portion 2 is holes 12 and articulated section 11 pivot joints of passing this head 1 with one first connector 211, this connecting portion 2 offers one second U-shaped opening 25 away from an end of the first U-shaped opening 21, an axially extended through hole 22 is offered in these connecting portion 2 inside, offer a containing hole 24 for one section of these connecting portion 2 nearly first U-shaped openings 21, this containing hole 24 is and through hole 22 vertical communicating, this containing hole 24 has a large-diameter portion 242 in addition in the both ends open place, establish a pressing piece 23 in this containing hole 24.One end of this pressing piece 23 has one and is positioned at the wherein press section 234 of a large-diameter portion 242 of containing hole 24, and this pressing piece 23 revolves lock one fixture 241 away from press section 234 1 ends.This fixture 241 is a screw in the present embodiment, and its head end is to be positioned at another large-diameter portion 242, so that pressing piece 23 is limited in the containing hole 24, these pressing piece 23 stage casings have a path section 231, this pressing piece 23 is respectively a big footpath section 232 in the two ends of path section 231, be arranged with one first spring 233 between large-diameter portion 242 bottoms of this press section 234 and containing hole 24.This connecting portion 2 is provided with a steel ball 13 in through hole 22 and near the first U-shaped opening, 21 places, and this through hole 22 is provided with a thimble 26 in these first U-shaped opening, 21 reverse positions, the end that this thimble 26 differs from pressing piece 23 becomes screw-like, and be arranged with a spring 27, and this thimble 26 revolves lock one nut 28 and a thimble head 29 in spring 27 outer ends, makes it can control the inlay card degree of connecting portion 2 and lever 3.

One end of this lever 3 has protruded out a projection 31, this projection 31 is to articulate with these connecting portion 2 other ends with one 32, the end face of this projection 31 is dentation, it is and thimble head 29 inlay card mutually, one section of these lever 3 nearly projections 31 is arranged with an

overcoat

4, and 3 of this overcoat 4 and levers are equiped with one second spring 41.

When the utility model needs to adjust the angle of head 1 according to user's behaviour in service, need pressing piece 23 is pinned downwards, the path section 231 that drives pressing piece 23 whereby is moved down into through hole 22 places of connecting portion 2, the feasible script steel ball 13 that the big footpath section 232 of part 23 props up that is pressed moves toward path sections 231, this moment steel ball 13 no longer with the dentation of articulated section 11 end faces of head 1 inlay card mutually, make head 1 have the space rotation of an abundance to cause the required angle of user.After decontroling pressing piece 23, steel ball 13 recovers again and the dentation of articulated section 11 end faces inlay card mutually immediately, makes that previous angle of rotating is fixed, so can not make spanner change angle in the user mode process.

According to above-mentioned principle, when the user when adjusting Wrench head 1, also can adjust lever 3, when pressing piece 23 is pinned downwards, the path section 231 in pressing piece 23 stage casings is moved down into the through hole 22 of connecting portion 2, be pressed thimble 26 that the big footpath section 232 of part 23 props up of feasible script can no longer be supported sincere live, 26 power of returning back to top by spring 27 of thimble are withstood, pull lever 3 this moment, thimble 26 is replaced the strength that promptly overcomes spring 27 easily by the dentation of projection 31 end faces, makes between lever 3 and the connecting portion 2 curved to required angle.After decontroling pressing piece 23, be not pressed big footpath section 232 tops of part 23 of this thimble 26 are sincere, and thimble head 29 promptly recovers and the dentation of projection 31 end faces inlay card mutually, makes that previous angle of rotating is fixed, more convenient user's use.This lever 3 also can be adjusted its angle separately, and it is that overcoat 4 is drawn toward lever 3 tail end directions, make originally by second spring, 41 elastic force keep out in the overcoat 4 of projection 31 away from, so the projection 31 of lever 3 is rotatable one required angle.

In sum, it is to utilize a pressing piece 23, make spanner steel ball 13 when user mode to be positioned, and can not make spanner under user mode, change the angle of its head 1 and connecting portion 2 voluntarily, and when head 1 is adjusted angle, can adjust the angle of lever 3 again, therefore allow user's convenience use spanner and make spanner can be used in how different situations.

Certainly, still there are many examples in the utility model, therebetween the only variation on the details.See also Fig. 7 and shown in Figure 8, it is second embodiment of the present utility model, and most structure is identical with first embodiment, and wherein the internal structure of this connecting portion 2 is exchanged mutually, reaches identical effect with first embodiment to make it.

The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did.

Claims

1. the bending location structure of a spanner is characterized in that, comprises that a head, a junction reach

One lever;

One end of described head is to connect different instruments, and the other end of this head has an articulated section, and this articulated section has a plurality of tooth portion;

The articulated section of described connecting portion and this head articulates mutually, this connecting portion inside has an axially extended through hole, establish 2 one first tops of mutually separating part and the one second top part of pulling of pulling in this through hole, this first top part of pulling blocks mutually with the articulated section tooth portion of this head, this connecting portion in this first the top pull part and second the top pull have between the part one with the vertical containing hole that communicates of this through hole, be provided with a pressing piece in this containing hole, one end of this pressing piece has a press section, this pressing piece stage casing has a path section and at least one big footpath section, and this pressing piece is located at spring in this containing hole to a direction pushing tow by one;

One end of described lever has protruded out a projection, and this projection is to be articulated with the end of this connecting portion away from head, and the end face of this projection is dentation, and it is and this second top part inlay card mutually of pulling.

2. the bending location structure of spanner according to claim 1 is characterized in that, the projection of described lever is to articulate with this connecting portion other end with one, and a section of the nearly projection of this lever is provided with an overcoat, is provided with second spring between this overcoat and lever.

3. the bending location structure of spanner according to claim 1 is characterized in that, the end that the articulated section of described connecting portion and this head articulates is one first U-shaped opening, and the end that this connecting portion and this lever articulate is one second U-shaped opening.

4. the bending location structure of spanner according to claim 3 is characterized in that, the side of described articulated section is provided with the hole of a perforation two sides, and this first U-shaped opening is the hole and the articulated section pivot joint of passing this head with one first connector.

5. the bending location structure of spanner according to claim 1 is characterized in that, the containing hole of described connecting portion has a large-diameter portion respectively in the both ends open place.

6. the bending location structure of spanner according to claim 1 is characterized in that, described pressing piece revolves lock one fixture away from press section one end.

7. the bending location structure of spanner according to claim 1 is characterized in that, the described first top part of pulling is a steel ball, and this second top part of pulling is a thimble.

8. the bending location structure of spanner according to claim 6 is characterized in that, the end that described thimble differs from pressing piece becomes screw-like, and is arranged with a spring, and this thimble revolves lock one nut and a thimble head in the spring outer end.

9. the bending location structure of spanner according to claim 1 is characterized in that, is arranged with one first spring outside the big footpath section of described pressing piece between press section and path section.