CN100558511C

CN100558511C - Open-end wrench

Info

Publication number: CN100558511C
Application number: CNB2007101948158A
Authority: CN
Inventors: 周信宏
Original assignee: Stanley Chiro International Ltd
Current assignee: Stanley Chiro International Ltd; Stanley Works
Priority date: 2007-11-22
Filing date: 2007-11-22
Publication date: 2009-11-11
Anticipated expiration: 2027-11-22
Also published as: CN101439505A

Abstract

The invention discloses a kind of open-end wrench, what comprise that a lever, one take shape in this lever one end inserts and puts body, a clip-engine base, an alignment pin and an elastic component.This inserts and puts body and comprises a storage tank in order to a ccontaining spiral lock, lays respectively at one first folder jaw and one second folder jaw of these storage tank both sides, and is arranged at a containing hole and a jack of this second folder jaw respectively.This clip-engine base comprises that one is inserted in this containing hole and slide bar movably, and a formation of lots is in the fixture block of this slide bar outer end, and a long perforation that is arranged at this slide bar.This alignment pin is planted and is fixed in this jack and passes this length perforation.This elastic component with so that this clip-engine base perseverance move towards this lever.Whereby, making the present invention have clamping fast locatees this spiral lock, uses more convenient characteristic.

Description

Open-end wrench

Technical field

The present invention relates to a kind of spanner, particularly relate to a kind of open-end wrench.

Background technology

As shown in Figure 1, general open-end wrench 10 has a lever 11, and be molded over two of this lever 11 two ends respectively and insert and put body 12, each inserts and puts body 12 and respectively has one in order to holding the open storage tank 13 of a spiral lock 20, and lays respectively at two of this storage tank 13 both sides and press from both sides jaws 14.

During use, making this open-end wrench 10 see through this storage tank 13 is nested with outside this spiral lock 20, and then two of making described folder jaw 14 insert and put face 141 relatively and cooperate two symmetrical outside faces 21 that insert and put this spiral lock 20, rotate this open-end wrench 10 then, just can drive this spiral lock 20 rotates, though this open-end wrench 10 has the function of use that can rotate this spiral lock 20, has following disappearance:

One, since when operation regular meeting to be subject to the operating space less; after causing this open-end wrench 10 to drive these spiral lock 20 rotation predetermined stroke; must revolution could drive this spiral lock 20 again is rotated further; but because described folder jaw 14 is fixing design; so before these open-end wrench 10 revolutions; must withdraw from earlier and break away from this spiral lock 20; just can not drive this spiral lock 20 turns round synchronously; need to make again the more described face 141 that inserts and puts to cooperate the described symmetrical outside face 21 that inserts and puts then; could drive this spiral lock 20 once again and rotate, have on the practice and use inconvenient disappearance.

Two, because this open-end wrench 10 is to see through described two symmetrical outside faces 21 whole that face 141 inserts and puts this spiral lock 20 that insert and put; so; when this spiral lock 20 of being applied to than small dimension; the described face 141 that inserts and puts is two diagonal angles that insert and put this spiral lock 20; when rotating this spiral lock 20 by force, this spiral lock 20 damages in regular meeting.

Summary of the invention

The objective of the invention is can not damage the open-end wrench of reduced size spiral lock a kind of clamping fast location spiral lock being provided, using more conveniently.

Open-end wrench of the present invention is in order to rotate a spiral lock, comprises that a lever, one insert and put body, a clip-engine base, an alignment pin, and an elastic component, it is characterized in that:

This inserts and puts a body formed end in this lever, comprise from outer peripheral face towards the storage tank of this lever setting in order to ccontaining this spiral lock, one is positioned at this storage tank one side and has one the first first folder jaw that inserts and puts face, a second folder jaw that is positioned at this storage tank opposite side and has an outer face, a containing hole that is provided with towards this lever from this outer face along first direction, and along being arranged at this second folder jaw with the vertical second direction of this first direction and being communicated with a jack of this containing hole.

This clip-engine base comprises the slide bar that a plant is gone into this containing hole and moved along this first direction, one formation of lots is in the fixture block of the outer end of this slide bar, and long perforation that is arranged at this slide bar along this first direction, this fixture block has one and touches the stopping surface of outer face of this second folder jaw in order to subsides, and one towards this storage tank moulding and can first insert and put face and cooperate second of this spiral lock of clamping to insert and put face with this.

This alignment pin is planted and is fixed in this jack and the perforation of this length.

This elastic component is installed in this length perforation, and this clip-engine base perseverance is moved towards this lever.

By above-mentioned composition, can see through this first folder jaw cooperates clamping to locate this spiral lock with this fixture block, when this lever is bestowed the clockwise direction rotatory force, just can drive this spiral lock rotates, when this lever being bestowed rotatory force counterclockwise, then this fixture block can be promoted towards the reverse mobile of this lever by this spiral lock and remove this clamping location, makes open-end wrench generation idle running of the present invention and can not drive this spiral lock rotation, makes the present invention have the more convenient characteristic of use whereby.

Description of drawings

Fig. 1 is the vertical view of general open-end wrench, and the state of the spiral lock in clamping location is described;

Fig. 2 is the exploded perspective view of open-end wrench preferred embodiment of the present invention;

Fig. 3 is the combination vertical view of this preferred embodiment, illustrates that driving a spiral lock changes tight state;

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

Fig. 5 is a cutaway view of taking from Fig. 3 cathetus 5-5;

Fig. 6 is the view of similar Fig. 3, illustrates that this preferred embodiment is in idling conditions;

Fig. 7 is a local assembled sectional view of taking from Fig. 6;

Fig. 8 is a cutaway view of taking from Fig. 6 cathetus 8-8;

Fig. 9 is the view of similar Fig. 3, illustrates that this preferred embodiment is applied to the state of a spiral lock of reduced size.

The specific embodiment

Below in conjunction with accompanying drawing and preferred embodiment the open-end wrench that foundation the present invention proposes is elaborated.

Shown in Fig. 2,3,4,5, open-end wrench 3 these preferred embodiments of the present invention comprise that a lever 30, one insert and put body 40, clip-engine base 50, an alignment pin 60 and an elastic component 70.

This inserts and puts the end hole enlargement moulding of body 40 from this lever 30, comprise the open storage tank 42 that is provided with in order to a ccontaining spiral lock 80 towards this lever 30 from outer peripheral face 41, a first folder jaw 43 that is positioned at these storage tank 42 1 sides, a second folder jaw 44 that is positioned at these storage tank 42 opposite sides and has an open outer face 441 and one first abutment face 442, a containing hole 45 that is provided with towards this lever 30 from the outer face 441 of this second folder jaw 44 along first direction X, and an edge second direction Y vertical with this first direction X is arranged at this second jack 46 that presss from both sides jaw 44 and connect this containing hole 45.

This first folder jaw 43 has a convex arc first in the face of this storage tank 42 and inserts and puts face 431, and one is positioned at this first convex arc the 3rd that inserts and puts face 431 outsides and inserts and puts face 432.

The slide bar 51 that this clip-engine base 50 comprises that a plant is gone in this containing hole 45 and can move along this first direction X, one formation of lots is in the fixture block 52 of the outer end of this slide bar 51, and a microscler blind hole face 54 that is arranged at this slide bar 51 and a long perforation 53 of corral formation along this first direction X.

This fixture block 52 has one perpendicular to this slide bar 51 and can paste the stopping surfaces 521 that touch mutually with this outer face 441, second abutment face 522 that connects this stopping surface 521 and this first abutment face 442 that can recline, and one insert and put face 523 from this second abutment face 522 towards second of these storage tank 42 moulding.

This inserts and puts the containing hole 45 of body 40 when the slide bar 51 of this clip-engine base 50 is planted, this jack 46 is aimed in this long perforation 53 just, again this alignment pin 60 is planted along this second direction Y and be fixed in aforementioned jack 46, long perforation 53, this clip-engine base 50 is produced with this second folder jaw 44 link.

This elastic component 70 is the compression spring in this preferred embodiment, be installed in this length perforation 53, and two

backward end pin

71,72 of this elastic component 70 install respectively in this alignment pin 60 and this hole face 54, and this elastic component 70 can be bestowed the biasing force that these clip-engine base 50 perseverances move towards this lever 30.

During use, make this storage tank that inserts and puts body 40 42 aim at this spiral lock 80 earlier, moving towards this spiral lock 80 then makes this spiral lock 80 enter this storage tank 42, at this moment, two symmetrical

outside faces

81,82 of this spiral lock 80 are inserted and put face 431 by first of this first folder jaw 43 respectively and insert and put face 523 clampings location with second of this fixture block 52, bestow this lever 30 clockwise direction rotatory forces then, just can drive this spiral lock 80 and rotate to reach the tight effect of commentaries on classics along this clockwise direction.

As Fig. 2,6,7, shown in 8, when bestowing these lever 30 counter clockwise direction rotatory forces, then this inserts and puts body 40 meetings with respect to this spiral lock 80 rotation counterclockwise, at this moment, the fixture block 52 of this clip-engine base 50 can be promoted by this spiral lock 80, make this clip-engine base 50 along this first direction X oppositely moving towards this lever 30, two of this spiral lock 80 symmetrical outside faces 81 simultaneously, 82 are are no longer inserted and put face 431 by first of this first folder jaw 43 inserts and puts face 523 clampings with second of this fixture block 52, make this open-end wrench 3 produce idle running, can not drive this spiral lock 80 relatively and produce revolution, again because this alignment pin 60 is fixing design, so when this clip-engine base 50 along this first direction X after oppositely the moving of this lever 30, this elastic component 70 is confined state and possesses a back stretch.

What deserves to be explained is, this second first abutment face 442 of pressing from both sides jaw 44 can recline through second abutment face 522 of this fixture block 52, make this clip-engine base 50 can smooth and easyly move not off normal, in addition, by this hole face 54 this alignment pin 60 that reclines a little, also have and to make that this clip-engine base 50 is smooth and easy to move the effects that do not produce off normal.

As Fig. 3, shown in 4, bestow this lever 30 clockwise direction rotatory forces when once again, then just beginning to drive earlier this spiral lock 80 rotates a little, and the lateral surface 81 that makes this spiral lock 80 recline again this first the folder jaw 43 first abutment face 431, then, this clip-engine base 50 can move towards this lever 30 along this first direction X through the back stretch of this elastic component 70 and reset, touch the outer face 441 of this second folder jaw 44 up to the stopping surface 521 of this fixture block 52, at this moment, two symmetrical outside faces 81 of this

spiral lock

80,82 are inserted and put face 431 by first of this first folder jaw 43 respectively once again inserts and puts face 523 clampings location with second of this fixture block 52, and then can proceed the tight operation of commentaries on classics of this spiral lock 80.

As shown in Figure 9, when the present invention is applied to spiral lock 90 than small dimension, can see through the 3rd of this first folder jaw 43 inserts and puts face 432 and second inserts and puts the part that face 523 inserts and puts two symmetrical

outside faces

91,92 of this spiral lock 90 with this, make this spiral lock 90 be held the location, and then the commentaries on classics that can carry out this spiral lock 90 is tight or change loose operation, can not damage this spiral lock 90 simultaneously again.

Conclude above-mentionedly, open-end wrench of the present invention has effect as described below and advantage, so can reach the object of the invention really:

One, because the present invention sees through first of this first folder jaw 43 and inserts and puts face 431 and insert and put face 523 with second of this fixture block 52 and cooperate two symmetrical outside faces 81 that insert and put this

spiral lock

80,82, make this spiral lock 80 be held the location, and then can drive this spiral lock 80 and clockwise rotate to change tight operation, when these open-end wrench 3 revolutions, because this clip-engine base 50 can be promoted oppositely moving towards this lever 30 by this spiral lock 80, make this spiral lock 80 no longer be held the location, relatively this open-end wrench 3 produces idle running and can not drive this spiral lock 80 revolutions, clockwise rotate this open-end wrench 3 when once again, can see through this clip-engine base 50 and automatically reset and make this spiral lock 80 be held the location once again, make the present invention have clamping fast whereby and locate this spiral lock 80, use more convenient effect and advantage.

Two, insert and put face 432 and second of this fixture block 52 and insert and put face 523 and cooperate the part that inserts and puts than two symmetrical

outside faces

91,92 of this spiral lock 90 of small dimension because the present invention can see through the 3rd of this first folder jaw 43, make this spiral lock 90 be held the location, so have this spiral lock 90 that can be applied to, and can not damage the effect and the advantage of this spiral lock 90 than small dimension.

Claims

1. open-end wrench in order to rotate a spiral lock, comprises that a lever, one insert and put body, a clip-engine base, an alignment pin, and an elastic component, it is characterized in that:

This inserts and puts a body formed end in this lever, comprise from outer peripheral face towards the storage tank of this lever setting in order to ccontaining this spiral lock, one is positioned at this storage tank one side and has one the first first folder jaw that inserts and puts face, a second folder jaw that is positioned at this storage tank opposite side and has an outer face, a containing hole that is provided with towards this lever from this outer face along first direction, and along being arranged at this second folder jaw with the vertical second direction of this first direction and being communicated with a jack of this containing hole;

This clip-engine base comprises the slide bar that a plant is gone into this containing hole and moved along this first direction, one formation of lots is in the fixture block of this slide bar outer end, and long perforation that is arranged at this slide bar along this first direction, this fixture block has one and touches the stopping surface of outer face of this second folder jaw in order to subsides, and one first inserts and puts face and cooperates second of this spiral lock of clamping to insert and put face towards this storage tank moulding and with this;

This alignment pin is planted and is fixed in this jack and the perforation of this length;

2. open-end wrench as claimed in claim 1 is characterized in that:

This second folder jaw has first abutment face in the face of this storage tank, and this fixture block has second abutment face of this stopping surface of connection and this first abutment face that reclines.

3. open-end wrench as claimed in claim 1 or 2 is characterized in that:

This first folder jaw has more one and is positioned at this and first inserts and puts the 3rd of the face outside and insert and put face.