CN101391404A - Open-end wrench - Google Patents

Abstract

The invention relates to an open end wrench, comprising a handle, a clamping part which is modeled at one end of the handle, and a clamping support seat, a locating pin and an elastic piece which are respectively mounted on the clamping part. The clamping part comprises an containing groove which is used to place a screw lock, a first clamp jaw and a second clamp jaw which are respectively positioned on both lateral sides of the containing groove, a sliding groove which is arranged at the direction from the second clamp jaw to the handle, an insertion hole which is vertical to the sliding groove. The clamping support seat comprises a movable sliding block which is mounted on the second clamp jar, two handle ears which are respectively modeled from the sliding block, and two long penetrating hole which are respectively arranged on the handle ears. The locating pin is inserted into the long penetrating hole and the insertion hole, and is fixed. The elastic piece can makes the clamping support seat to move oppositely to the reverse direction of the handle. Thereby, the invention has the advantage and effect that the screw lock can be fast clamped and located, and the usage is convenient.

Description

Open-end wrench

Technical field

The present invention relates to a kind of spanner, particularly relate to a kind of clamping fast location spiral lock, use more conveniently, and can not damage open-end wrench than the small dimension spiral lock.

Background technology

Seeing also shown in Figure 1ly, is the front view of general existing open-end wrench, and the state of the spiral lock in clamping location is described.General existing open-end wrench 10, two clamping portions 12 that have a lever 11 and be molded over these lever 11 two ends respectively, each this clamping portion 12 respectively has one in order to holding the open storage tank 13 of a spiral lock 20, and two folder jaws 14 that lay respectively at these storage tank 13 both sides.

In use, be that this open-end wrench 10 is nested with outside spiral lock 20 by this storage tank 13, and then two of making aforementioned 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, but 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 aforementioned folder jaw 14 is to be the fixed structure 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 aforementioned face 141 that inserts and puts to cooperate the aforementioned symmetrical outside face 21 that inserts and puts then; could drive this spiral lock 20 once again and rotate, on practice, have and use inconvenient disappearance.

Two, because this open-end wrench 10 is to insert and put two symmetrical outside faces 21 whole that face 141 inserts and puts this spiral lock 20 by aforementioned; so; when this spiral lock 20 of being applied to than small dimension; the aforementioned 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.

This shows that above-mentioned existing open-end wrench obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of open-end wrench of new structure, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.

Because the defective that above-mentioned existing open-end wrench exists, the inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of open-end wrench of new structure, can improve general existing open-end wrench, make it have more practicality.Through constantly research, design, and, create the present invention who has practical value finally through after studying sample and improvement repeatedly.

Summary of the invention

The objective of the invention is to, overcome the defective that existing open-end wrench exists, and provide a kind of open-end wrench of new structure, technical problem to be solved be make its a kind of clamping fast location spiral lock is provided, use more convenient, can not damage open-end wrench, be very suitable for practicality than the small dimension spiral lock.

The object of the invention to solve the technical problems realizes by the following technical solutions.A kind of open-end wrench according to the present invention's proposition, be in order to rotate a spiral lock, comprise a lever, a clamping portion that takes shape in an end of this lever, reach a clip-engine base that is installed on this clamping portion respectively, an alignment pin and an elastic component, wherein: this clamping portion, comprise from an outer peripheral face towards the storage tank of this lever setting in order to ccontaining this spiral lock, a first folder jaw that is positioned at this storage tank one side and has one first abutment face, a second folder jaw that is positioned at this storage tank opposite side and has one second abutment face, a chute that is provided with towards this lever along first direction from this second abutment face reaches along the jack of the second direction setting vertical with this first direction and contiguous this chute; This clip-engine base comprises the slide block of this second abutment face that reclines, two pivot ears along this first direction moulding from this slide block, and two long perforation that are arranged at aforementioned pivot ear and aim at this jack along this first direction respectively respectively; This alignment pin is to be inserted in aforementioned long perforation, jack and fixing; This elastic component is to be mounted in this chute, uses so that this clip-engine base perseverance oppositely moving towards this lever.

The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.

Aforesaid open-end wrench, wherein said slide block has a face that inserts and puts in the face of this first abutment face, one inserts and puts three abutment face of the opposing setting of face in order to this second abutment face that reclines with this, and connects a guiding incline and stopping surface that this inserts and puts face and the 3rd abutment face and is opposing setting respectively.

Aforesaid open-end wrench, wherein said clamping portion also comprise one along this first direction setting and be communicated with the containing hole of this chute, and this elastic component is the stopping surface that is mounted in this containing hole and installs this clip-engine base.

The present invention compared with prior art has tangible advantage and beneficial effect.By technique scheme, open-end wrench of the present invention has following advantage and beneficial effect at least: the present invention forms by said structure, can cooperate clamping to locate this spiral lock with this slide block by this first folder jaw, when this lever being bestowed rotatory force counterclockwise, just can change this spiral lock of pine, when this lever is bestowed the clockwise direction rotatory force, then this clip-engine base can be promoted to move and remove this clamping location towards this lever by this spiral lock, make open-end wrench generation idle running of the present invention and can not drive this spiral lock and rotate, the present invention is had use more convenient operating characteristic.

In sum, the invention relates to a kind of open-end wrench, comprise a lever, a clamping portion that takes shape in an end of this lever, and be installed on a clip-engine base of this clamping portion, an alignment pin and an elastic component respectively.This clamping portion 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, a chute that is provided with towards this lever from this second folder jaw, and a jack vertical with this chute.This clip-engine base comprises that one is installed on this second folder jaw and movable sliding block, from two pivot ears of this slide block moulding, reaches two long perforation that are arranged at aforementioned pivot ear respectively respectively.This alignment pin is to be inserted in aforementioned long perforation, jack and fixing.This elastic component is to make this clip-engine base perseverance oppositely moving towards this lever.Whereby, make the present invention have clamping fast and locate this spiral lock, use more convenient characteristic, and have the effect that can not damage than the small dimension spiral lock.The present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing open-end wrench has the outstanding effect of enhancement, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.

Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.

Description of drawings

Fig. 1 is the front view of general existing 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 combining structure front view of this preferred embodiment, and the state that a spiral lock changes pine that drives is described.

Fig. 4 is a partial sectional view of taking from Fig. 3.

Fig. 5 is the view of similar Fig. 3, illustrates that this preferred embodiment is in idling conditions.

Fig. 6 is a partial sectional view of taking from Fig. 5.

Fig. 7 is the view of similar Fig. 3, and this preferred embodiment of upset being described and driving a spiral lock changes tight state.

Fig. 8 is the view of similar Fig. 3, illustrates that this preferred embodiment is applied to a state than the small dimension spiral lock.

The specific embodiment

Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment of open-end wrench, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.

Relevant aforementioned and other technology contents, characteristics and effect of the present invention can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.

See also Fig. 2, Fig. 3, shown in Figure 4, Fig. 2 is the exploded perspective view of open-end wrench preferred embodiment of the present invention, and Fig. 3 is the combining structure front view of this preferred embodiment, illustrates to drive the state that a spiral lock changes pine, and Fig. 4 is a partial sectional view of taking from Fig. 3.The open-end wrench 3 of preferred embodiment of the present invention comprises a lever 30, clamping portion 40, clip-engine base 50, an alignment pin 60 and a flexible member 70.

Above-mentioned clamping portion 40, it is an end hole enlargement moulding 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 an outer peripheral face 41, a first folder jaw 43 that is positioned at these storage tank 42 1 sides and has one first abutment face 431, a second folder jaw 44 that is positioned at these storage tank 42 opposite sides and has one second abutment face 441, a concave arc joint face 45 that connects this first abutment face 431 and this second abutment face 441, a chute 46 that is provided with towards this lever 30 along first direction X from this second abutment face 441, a containing hole 47 that is provided with and is communicated with this chute 46 along this first direction X reaches one along the second direction Y setting vertical with this first direction X and the jack 48 of contiguous this chute 46.

In this preferred embodiment, this first abutment face 431 and this second abutment face 441 be mutually in the face of and parallel to each other.

Above-mentioned clip-engine base 50, comprise this second abutment face 441 and slip into or skid off the slide block 51 of this chute 46 along this first direction X movably of to recline, respectively along this first direction X from two reverse side moulding of this slide block 51 and two pivot ears 52 of this clamping portion 40 that reclines, and be arranged at two long perforation 53 of aforementioned pivot ear 52 respectively along this first direction X.Each long perforation 53 respectively has the first opposing end 531 and second end 532.

This slide block 51, have one and face the also face that inserts and puts 511 of parallel this first abutment face 431, one inserts and puts three abutment face 512 of face 511 opposing settings in order to this second abutment face 441 that reclines with this, and connects a guiding incline 513 and a stopping surface 514 of facing this containing hole 47 that this inserts and puts face 511 and the 3rd abutment face 512 and is opposing setting respectively.

When being installed, this clip-engine base 50 is arranged at this second folder jaw 44, make recline this second abutment face 441, aforementioned pivot ear 52 of the 3rd abutment face 512 of this slide block 51 be posted by this clamping portion 40, again this alignment pin 60 is inserted in aforementioned long perforation 53, jack 48 and fixing along this second direction Y, this clip-engine base 50 is produced with this clamping portion 40 to be linked, simultaneously can be by the respective outer side edges design of aforementioned long perforation 53 with this alignment pin 60, this clip-engine base 50 can be moved along this first direction X, and then make this slide block 51 can slip into or skid off this chute 46.

Above-mentioned elastic component 70, be to be a compression spring in this preferred embodiment, it is mounted in this containing hole 47 and is arranged in the stopping surface 514 that this chute 46 installs this slide block 51 simultaneously, this elastic component 70 can make clip-engine base 50 perseverances oppositely moving towards this lever 30, under this state, this alignment pin 60 is first ends 531 that are positioned at this length perforation 53.

In use, be to make the storage tank 42 of this clamping portion 40 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 respectively by the insert and put face 511 clampings location of first abutment face 431 of this first folder jaw 43 with this slide block 51, bestow this lever 30 rotatory force counterclockwise then, just can drive this spiral lock 80 and counterclockwise rotate to reach the loose effect of commentaries on classics along this.

See also Fig. 2, Fig. 5, shown in Figure 6, Fig. 5 is the view of similar Fig. 3, illustrates that this preferred embodiment is in idling conditions, and Fig. 6 is a partial sectional view of taking from Fig. 5.When bestowing these lever 30 clockwise direction rotatory forces, then the slide block 51 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 moving towards this lever 30, be positioned at second end 532 of this length perforation 53 up to this alignment pin 60, this slide block 51 slips in this chute 46 simultaneously, at this moment, because two symmetrical outside faces 81 of this spiral lock 80,82 are are no longer inserted and put face 511 clampings by this first abutment face 431 and this, so this open-end wrench 3 is to be idling conditions, relative this spiral lock 80 that can not drive produces revolution, in addition, when this clip-engine base 50 along this first direction X after this lever 30 moves, this elastic component 70 is to be compressed and to possess back stretch is arranged.

See also Fig. 3, shown in Figure 4, bestow this lever 30 rotatory force counterclockwise 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 reset towards oppositely moving of this lever 30 by the back stretch of this elastic component 70, this slide block 51 skids off this chute 46 simultaneously, make two symmetrical outside faces 81 of this spiral lock 80,82 once again respectively by the insert and put face 511 clampings location of first abutment face 431 of this first folder jaw 43 with this slide block 51, and then can proceed the commentaries on classics pine operation of this spiral lock 80.

Be worth having of explanation:

One, can recline by the 3rd abutment face 512 of this slide block 51 second abutment face 441 of this second folder jaw 44, and aforementioned pivot ear 52 this clamping portion 40 that reclines make this clip-engine base 50 can smooth and easyly move not off normal; In addition, by the respective outer side edges design of aforementioned long perforation 53, 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 with this alignment pin 60.

Two, by the guiding incline 513 of this slide block 51, when bestowing these lever 30 clockwise direction rotatory forces, can make this insert and put face 511 and break away from this lateral surface 82 swimmingly, when bestowing these lever 30 counter clockwise direction rotatory forces once again, can make this insert and put face 511 and insert and put this lateral surface 82 swimmingly.

In addition, seeing also shown in Figure 7ly, is the view of similar Fig. 3, and this preferred embodiment of upset being described and driving a spiral lock changes tight state.When this open-end wrench 3 is turned over turnback, again this open-end wrench 3 is bestowed the power of clockwise rotating, just can change tight operation to this spiral lock 80, certainly, this moment, then this open-end wrench 3 was to be idling conditions if this open-end wrench 3 is bestowed the power of rotating counterclockwise.

In addition, see also Fig. 8, shown in Figure 3, Fig. 8 is the view of similar Fig. 3, illustrates that this preferred embodiment is applied to a state than the small dimension spiral lock.Because the present invention is the part that cooperates two the symmetrical outside faces 81,82 that insert and put this spiral lock 80 by first abutment face 431 of this first folder jaw 43 with the face that inserts and puts 511 of this slide block 51, so, when being applied to one during than small dimension spiral lock 90, can insert and put the part that face 511 inserts and puts two symmetrical outside faces 91,92 of this spiral lock 90 by this first abutment face 411 and 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, can reach purpose of the present invention and effect really:

One, because the present invention cooperates two symmetrical outside faces 81 that insert and put this spiral lock 80 by this first first abutment face 431 of pressing from both sides jaw 43 with the face that inserts and puts 511 of this slide block 51,82, make this spiral lock 80 be held the location, and then can drive this spiral lock 80 and rotate counterclockwise to change loose operation, when these open-end wrench 3 revolutions, because this clip-engine base 50 can be promoted to move towards this lever 30 by this spiral lock 80, make this spiral lock 80 no longer be held the location, this open-end wrench 3 relatively is to produce idle running and can not drive this spiral lock 80 revolutions, rotate counterclockwise this open-end wrench 3 when once again, can automatically reset and make this spiral lock 80 be held the location once again by this clip-engine base 50, make the present invention have clamping fast whereby and locate this spiral lock 80, use more convenient effect and advantage.

Two, because the present invention can cooperate the part that inserts and puts than two symmetrical outside faces 91,92 of this spiral lock 90 of small dimension by first abutment face 431 of this first folder jaw 43 with the face that inserts and puts 511 of this slide block 51, 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.

The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.

Claims (3)

1, a kind of open-end wrench is in order to rotating a spiral lock, to comprise a lever, a clamping portion that takes shape in an end of this lever, and be installed on a clip-engine base of this clamping portion, an alignment pin and an elastic component respectively, it is characterized in that:

This clamping portion, comprise from an outer peripheral face towards the storage tank of this lever setting in order to ccontaining this spiral lock, a first folder jaw that is positioned at this storage tank one side and has one first abutment face, a second folder jaw that is positioned at this storage tank opposite side and has one second abutment face, a chute that is provided with towards this lever along first direction from this second abutment face reaches along the jack of the second direction setting vertical with this first direction and contiguous this chute;

This clip-engine base comprises the slide block of this second abutment face that reclines, two pivot ears along this first direction moulding from this slide block, and two long perforation that are arranged at aforementioned pivot ear and aim at this jack along this first direction respectively respectively;

This alignment pin is to be inserted in aforementioned long perforation, jack and fixing;

This elastic component is to be mounted in this chute, uses so that this clip-engine base perseverance oppositely moving towards this lever.

2, open-end wrench as claimed in claim 1, it is characterized in that described slide block has a face that inserts and puts in the face of this first abutment face, one inserts and puts three abutment face of the opposing setting of face in order to this second abutment face that reclines with this, and connects a guiding incline and stopping surface that this inserts and puts face and the 3rd abutment face and is opposing setting respectively.

3, open-end wrench as claimed in claim 2 is characterized in that described clamping portion also comprises one along this first direction setting and be communicated with the containing hole of this chute, and this elastic component is the stopping surface that is mounted in this containing hole and installs this clip-engine base.

Images