CN103586809A

CN103586809A - Spanner

Info

Publication number: CN103586809A
Application number: CN201310067917.9A
Authority: CN
Inventors: 徐张雪娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-14
Filing date: 2013-03-05
Publication date: 2014-02-19
Anticipated expiration: 2033-03-05
Also published as: TW201307001A; GB2505079B; DE202012104751U1; CN103586809B; TWI412435B; GB201312579D0; GB2505079A

Abstract

A wrench comprises a main body, a jaw, a handle and an elastic member. The main body is provided with a fixed jaw and a sliding groove. The jaw portion is equipped with movable jaw, and the bottom of movable jaw forms the sliding part, and the sliding part is concave to be equipped with the draw-in groove, and the sliding part reaches and keeps away from a bottom side of movable jaw and the spout bottom side internal surface looks butt department of fixed jaw apart from the main part and defines an interface, and the extension of this interface passes through the draw-in groove. The grab handle is provided with a toggle piece, when the grab handle is positioned at the driving position, the toggle piece pushes against the sliding part, and the interface extends through the toggle piece. When the grab handle is positioned at the release position, the movable jaw can move towards the direction far away from the fixed jaw. Therefore, the wrench can completely transmit the force for wrenching the wrench to the movable jaw and the fixed jaw, so that the wrench is easy to drive a workpiece to rotate, has a simple structure and is beneficial to controlling the production cost.

Description

Spanner

Technical field

The present invention is relevant a kind of spanner.

Background technology

Existing spanner is provided with tooth portion by movable jaw below and handle top is provided with another tooth portion, engagement action by two tooth portions, reach the object of spanner, yet this kind driven by the engagement between tooth portion and tooth portion, under the torsion of spanner requires, easily cause problems such as collapsing tooth and the abrasion of the rear tooth of long-time use portion.

To this, there is US1,434, No. 754 patent provides a kind of spanner can improve this problem, and its spring is located in a tank, and this steady pin is arranged in lamellar body and tank.Wherein, the projection of this spanner is the below that is positioned at this tank, and shifting part is the draw-in groove that is positioned at the below of tank, and the strength that this shifting part forces in movable jaw concentrates on this projection mostly.Yet, this shifting part is from the outward-dipping extension in the top of its lever, and this projection is to tilt to extend to draw-in groove direction, and the bearing of trend of the two is contrary, therefore this shifting part only can remove to push against this projection in the mode of a contact, and be tiltedly above to push against this projection, thus only have the strength of half to be used to horizontal translocation projection, in other words, although it need not use the engagement of tooth portion and tooth portion, but during its application of force, because only having sub-fraction strength can be delivered to movable jaw and fixed jaw, seeming, be difficult to operate.

In addition, this spanner is to use two lamellar bodies that movable jaw and fixed jaw are fixed, therefore must offer two tanks, and two steady pins are worn respectively after movable jaw, fixed jaw and tank, complete this spanner of combination, yet the structure very complex of this spanner, has increased manufacturing cost and assembling difficulty.

Summary of the invention

Technical problem underlying to be solved by this invention is, overcomes the above-mentioned defect that prior art exists, and provide to plant, pulls wrench, and its operating effect is good and simple for structure.

The technical solution adopted for the present invention to solve the technical problems is:

, comprise a main body, a jaw portion, a lever and an elastic component.

This main body is formed in one and its one end one is extended a fixed jaw, and this main body is offered a chute along first direction, and this first direction is the direction of vertical in fact this fixed jaw bearing of trend.

One end one of this jaw portion is extended a movable jaw, this jaw portion forms a sliding part in the bottom of this movable jaw, this sliding part is concaved with at least goes up draw-in groove, this sliding part is located at this chute slippingly, this movable jaw and this fixed jaw define a jaw mouth jointly, this sliding part defines an interface away from a bottom side of this movable jaw and this main body away from a contacted inner surfaces place of connecing, chute bottom side of this fixed jaw, and the extension of this interface is by this draw-in groove.

This lever is located at this main body rotationally, one end of this lever is provided with at least one shifting part, this shifting part extends into this draw-in groove, this lever can rotate between an activation point and an off-position, and when this lever is positioned at this activation point, this shifting part pushes against in this sliding part, make this jaw mouth remain on minimum dimension, when this lever is positioned at off-position, this movable jaw can, to the direction displacement away from this fixed jaw, make this jaw mouth size become large.

This elastic component is connected in this main body and this jaw portion, can make this movable jaw normality towards the direction displacement of fixed jaw for an elastic force.

Whereby, spanner provided by the present invention can be delivered to user's applied force amount on movable jaw and fixed jaw completely, make the present invention be easy to drive the workpiece such as nut to rotate, and structure of the present invention is very succinct, contributes to production control cost.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the exploded view of the first embodiment of the present invention.

Fig. 2 is the stereogram of the first embodiment of the present invention.

Fig. 3 is the schematic diagram of driving one nut of the first embodiment of the present invention.

Fig. 4 is the past schematic diagram away from the displacement of fixed jaw direction of the movable jaw of the first embodiment of the present invention.

Fig. 5 is the cutaway view of the second embodiment of the present invention.

Fig. 6 is the cutaway view of the third embodiment of the present invention.

Fig. 7 is the cutaway view of the fourth embodiment of the present invention.

Number in the figure explanation:

1 main body 222b the second end

11 fixed jaw 222c tanks

111,211 jaw portion extension 223 the 3rd slide blocks

1 12,212 double wedge 224 protuberances

12 chute 3 supporting members

121 first conduit 4 elastic components

122 second conduit 5 levers

13 perforation 51 first sides

14 wear groove 52 second sides

15 latch 53 shifting parts

2 jaw portion 531 first pushing tow faces

21 movable jaw 532 second pushing tow faces

221 first slide block 54 circular holes

221a first end 6 nuts

221b the second end A slip axis

222 second slide block B draw-in grooves

222a first end

The specific embodiment

Please refer to Fig. 1 to Fig. 3, in the first embodiment of the present invention, spanner of the present invention comprises a main body 1, a jaw portion 2, a supporting member 3, an elastic component 4 and a lever 5.

This main body 1 is formed in one and its one end one is extended a fixed jaw 11.This main body 1 is offered a chute 12 along a first direction, this first direction is the direction of vertical in fact these fixed jaw 11 bearing of trends, further, for arranging for other parts, this main body 1 is formed with in addition perforation 13 and wears groove 14, chute 12, bore a hole 13 with wear groove 14 and interconnect, and bore a hole 13 at chute 12 and wear between groove 14, in addition, bore a hole 13 axial direction perpendicular to this first direction.Wherein, this chute 12 comprises one first conduit 121 and one second conduit 122, and this first, second conduit 121,122 distinctly runs through one end of this main body 1, with the bearing of trend of this chute 12, defines a slip axis A, and this slip axis A is parallel to this first direction.Preferably, the width of this first conduit 121 is less than the width of this second conduit 122.

One end one of this jaw portion 2 is extended a movable jaw 21, this jaw portion 2 forms a sliding part in the bottom of this movable jaw 21, this sliding part is arranged with at least one draw-in groove B, this sliding part is located at this chute 12 slippingly, this movable jaw 21 defines a jaw mouth jointly with this fixed jaw 11, this jaw mouth changes its size when sliding part slides, and this jaw mouth can, in order to clamping screw cap 6, screw or its analog, be shown in Fig. 3.The glide direction of this sliding part is parallel to this first direction.This sliding part defines an interface away from a bottom side of this movable jaw and this main body away from a contacted inner surfaces place of connecing, chute bottom side of this fixed jaw, and the extension of this interface is by this draw-in groove B, preferably, and this slip axis A is by this draw-in groove B.This first conduit 121 is communicated between this jaw mouth and this second conduit 122.This sliding part comprises one first slide block 221, one second slide block 222 and one the 3rd slide block 223, and this first slide block 221 has a first end 221a and one second end 221b.This second slide block 222 is located at the bottom of this first slide block 221 and the first end 221a of contiguous this first slide block 221, and this second slide block 222 has a first end 222a and one second end 222b.Wherein, the angle of the second end 222b of this slip axis A and this second slide block 222 is not less than 90 degree, in the present embodiment, the end face of the bottom of this first slide block 221 is parallel to this first direction, the end face of the second end 222b of this second slide block 222 is perpendicular to this first slide block 221, in other words, the angle of the end face of the second end 222b of this slip axis A and this second slide block 222 is 90 degree.The 3rd slide block 223 is located at the bottom of this first slide block 221 and the second end 221b of contiguous this first slide block 221.Wherein, the angle of the end face of one end of this slip axis A and the 3rd slide block 223 contiguous the one or two slide blocks 222 is not less than 90 degree, preferably, the end face of the end of the 3rd slide block 223 contiguous these the second slide blocks 222 is perpendicular to this first slide block 221, in other words, the angle of the end face of one end of this slip axis A and the 3rd slide block 223 contiguous these the second slide blocks 222 is 90 degree.This draw-in groove B is defined in one end of the second end 222b of a part for the bottom of this first slide block 221, this second slide block 222 and the 3rd slide block 223 contiguous these the second slide blocks 222.Preferably, the contour correspondence of this first slide block 221 is in this first conduit 121, the profile of the 22, the 3rd slide block 222,223 is distinctly corresponding to the profile of this second conduit 122, therefore the width of this first slide block 221 is less than the width of this second, third slide block 222,223, this second slide block 222 is wide with the 3rd slide block 223.When this sliding part is slidedly arranged on this chute 12, this first slide block 221 is positioned at this first conduit 121, and this second, third slide block 222,223 is distinctly positioned at this second conduit 122.Wherein, this jaw portion offers a tank 222c, this tank is to be positioned at a width of rebate of this draw-in groove B along outside the expanded range of a second direction, this second direction is in fact perpendicular to this first direction, preferably, this tank 222c is formed at this sliding part, and more particularly this tank 222c is opened in the second slide block 222.

This elastic component 4 is located at this tank 222c, and a first end of this elastic component 4 is connected in this main body 1 by this supporting member 3, and one second end of this elastic component 4 is resisted against the sidewall of this jaw portion 2 in this tank 222c.More particularly, this jaw portion 2 this sidewall in this tank 222c extends inwardly and is provided with a protuberance 224 along this first direction, the second end of this elastic component 4 is sheathed on this protuberance 224, this supporting member 3 is arranged in this main body 1 and this tank 222c, the first end of this elastic component 4 is resisted against a side of the first end 222a of these supporting member 3 contiguous these the second slide blocks 222, and the second end of this elastic component 4 is resisted against the internal face of this tank 222c near a side of the first end 222a of this second slide block 222.This supporting member 3 of preferably is stalk shape, and this slip axis A is by the axle center of this supporting member 3.Further, this tank 222c extends and defines a center line along this first direction, and this center line is by the mid point at the bearing of trend two ends of this tank 222c, and by the axle center of this supporting member, in other words, this center line and this slip axis A are overlapping.

This lever 5 is located at this main body 1 rotationally, the width both sides of this lever 5 are respectively equipped with one first side 51 and one second side 52, the width of this lever 5 is parallel to this first direction, one end of this lever 5 is provided with a shifting part 53, this shifting part 53 extends into this draw-in groove B, and the extension of this interface is by this shifting part 53, as shown in Figure 3.This shifting part 53 comprises one first pushing tow face 531 and one second pushing tow face 532, and this second pushing tow face 532 is the extensions that slope inwardly from the first side 51 of this lever 5.This lever 5 can rotate between an activation point and an off-position.Because the shifting part 53 in the present embodiment is independent projections that protrude out in lever 5 one end, and a circular hole 54 is also offered in one end of this lever 5, when assembling, shifting part 53 directly stretches through and wears groove 14 into this, this main body also comprises a latch 15, this latch 15 wears the perforation 13 of this main body and the circular hole 54 of one end of this lever, lever 5 can be rotated around this latch 15 between an activation point and an off-position, in addition, because perforation 13 is vertical with chute 12, make the bearing of trend of this latch 15 perpendicular to this first direction.

Please refer to Fig. 3, while using the present invention to pull nut 6, first lever 5 is rotated toward clockwise direction, when this lever 5 is positioned at activation point, the first pushing tow face 531 of this shifting part 53 pushes against the second end 222b in this second slide block 222, and this interface extend through this shifting part 53, this jaw mouth remains on minimum dimension whereby, in order to movable jaw 21 and fixed jaw 11, be engaged in two limit faces of the nut 6 of specific dimensions one, the sustainable lever 5 of holding of user, toward the clockwise direction application of force, further screws nut 6 or unscrew.Certainly, if this draw-in groove B further extends to the first slide block 221, now, this first pushing tow face 531 also likely pushes against the first slide block 221 simultaneously.

Please refer to Fig. 4, when lever 5 turns to off-position toward counter clockwise direction, the first pushing tow face 531 of this shifting part 53 is away from the second end 222b of this second slide block 222, the second pushing tow face 532 of this shifting part 53 pushes against in one end of the 3rd slide block, and the extension of this interface is still by this shifting part 53, make this movable jaw 21 to the direction displacement away from this fixed jaw 11, make jaw mouth size become large, whereby, the present invention can rotate until the present invention is snapped at the another two limit faces of this nut 6 relative to this nut 6 along the nut angle of the nut 6 of clamping in jaw mouth, now this elastic component 4 provides an elastic force to make these movable jaw 21 normalities towards the direction displacement of fixed jaw 11, make movable jaw 21 there is the trend that jaw mouth is dwindled towards fixed jaw 11 slips, can be so as to slightly clamping the nut 6 of position in jaw mouth.

Please refer to Fig. 5, in the second embodiment of the present invention, itself and the first embodiment difference be, the top of this fixed jaw 11 and this movable jaw 21 is the oblique jaw portion extension 111,211 that extended to form respectively relatively.

Please refer to Fig. 6, in the third embodiment of the present invention, itself and the first embodiment difference be, this fixed jaw 11 and this movable jaw 21 are formed with relative cancave cambered surface, and the cancave cambered surface of this fixed jaw 11 of preferably and this movable jaw 21 is respectively formed with several double wedges 112,212.

Please refer to Fig. 7, in the fourth embodiment of the present invention, itself and the first embodiment difference be, this sliding part is concaved with two draw-in groove B, and one end of this lever is provided with two shifting parts 53, and this two shifting part 53 distinctly extends into two draw-in grooves.

Sum up above embodiment, because this shifting part 53 is when pushing against this second slide block 222, this shifting part 5 that extends through at this interface makes the pushing and pressing strength that user puts to good use concentrate and be passed to the second slide block 222 in horizontal translocation mode, and be further passed to supporting member 3, there is not the component of other direction to produce, whereby, user's applied force amount is delivered on movable jaw 21 and fixed jaw 11 completely, promote operability of the present invention, especially when the center line of slip axis A and this tank 222c is overlapping and during axle center by supporting member 3, the transmission effect of this strength is concentrated the most and operability is best.

In like manner, this shifting part 53 is in pushing and pressing during the 3rd slide block 223, this interface extend through this shifting part 53, therefore pushing and pressing strength also can be concentrated and be passed to the 3rd slide block 223 in horizontal translocation mode, whereby, this jaw portion 2 can be struck part 53 easily toward the direction promotion away from this fixed jaw 11.Especially when slip axis A also passes through this shifting part, the transmission effect of this strength is concentrated the most and operability is best.

Moreover, the end face of the second end 222b of this second slide block 222 is perpendicular to this first slide block 221, and the end face of one end of the 3rd slide block 223 contiguous these the second slide blocks 222 is perpendicular to this first slide block 221, therefore being the modes that contact with face, this first pushing tow face 531 pushes against in the end face of the second end 222b of this second slide block 222, this the second pushing tow face 532 is also that the mode contacting with face pushes against in the end face of one end of the 3rd slide block 223, whereby, user's applied force amount can Transmit evenly to this second slide block 222 or the 3rd slide block 223, and can increase service life of shifting part 53.

In addition, the present invention has the advantages that structure is simplified, only needing to rotate lever 5 pushes against in the second end 222b of the second slide block 222 of this sliding part shifting part 53, can clamp nut 6 or like parts, dismantle or assemble, under succinct Structural Tectonics, make the present invention be easy to processing, production cost is low, skill gate facing the street bank is low, the feature that between between part, gap is less and stability is higher, be conducive to manufacture and obtain and preferably operate result of use, and importantly, the present invention does not have separated the engaging or jumping tooth problem during with joint of gear, have and preferably operate matter, be of value to Improving The Quality of Products.

The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.

Claims

1. a spanner, is characterized in that, comprising:

One main body, is formed in one and its one end one is extended a fixed jaw, and this main body is offered a chute along a first direction, and this first direction is the direction of vertical in fact this fixed jaw bearing of trend;

One jaw portion, its one end one is extended a movable jaw, this jaw portion forms a sliding part in the bottom of this movable jaw, this sliding part is concaved with at least one draw-in groove, this sliding part is located at this chute slippingly, this movable jaw and this fixed jaw define a jaw mouth jointly, and this sliding part defines an interface away from a bottom side of this movable jaw and this main body away from a contacted inner surfaces place of connecing, chute bottom side of this fixed jaw, and the extension of this interface is by this draw-in groove;

One lever, be located at rotationally this main body, one end of this lever is provided with at least one shifting part, and this shifting part extends into this draw-in groove, and this lever can rotate between an activation point and an off-position, when this lever is positioned at this activation point, this shifting part pushes against in this sliding part, makes this jaw mouth remain on minimum dimension, when this lever is positioned at off-position, this movable jaw can, to the direction displacement away from this fixed jaw, make this jaw mouth size become large;

One elastic component, is connected in this main body and this jaw portion, can make this movable jaw normality towards the direction displacement of fixed jaw for an elastic force.

2. spanner according to claim 1, it is characterized in that, described chute comprises one first conduit and one second conduit, this first conduit is communicated between this jaw mouth and this second conduit, this sliding part comprises one first slide block and one second slide block, this first slide block has a first end and one second end, this second slide block is located at the bottom of this first slide block and the first end of contiguous this first slide block, this the second slide block tool and a first end and one second end, when this sliding part is slidedly arranged on this chute, this first slide block is positioned at this first conduit, this second slide block is positioned at this second conduit.

3. spanner according to claim 2, it is characterized in that, described sliding part comprises one the 3rd slide block, the 3rd slide block is located at the bottom of this first slide block and the second end of contiguous this first slide block, when this lever is positioned at this off-position, this shifting part pushes against in one end of the 3rd slide block, makes this movable jaw to the direction displacement away from this fixed jaw.

4. spanner according to claim 1, it is characterized in that, described jaw portion offers a tank, this tank is positioned at a width of rebate of this draw-in groove along outside the expanded range of a second direction, this second direction is in fact perpendicular to this first direction, this elastic component is located at this tank, and a first end of this elastic component is connected in this main body by a supporting member, and one second end of this elastic component is resisted against the sidewall of this jaw portion in this tank.

5. spanner according to claim 4, is characterized in that, described tank is formed at this sliding part.

6. spanner according to claim 4, is characterized in that, described jaw portion this sidewall in this tank extends inwardly and is provided with a protuberance along this first direction, and the second end of this elastic component is sheathed on this protuberance.

7. spanner according to claim 1, is characterized in that, the bearing of trend of described chute defines a slip axis, and this slip axis is by this draw-in groove.

8. spanner according to claim 7, is characterized in that, a first end of described elastic component is connected in this main body by a supporting member, and this supporting member is shaft-like, and this slip axis is by the axle center of this supporting member.

9. spanner according to claim 8, it is characterized in that, described jaw portion offers a tank, this tank is positioned at a width of rebate of this draw-in groove along outside the expanded range of a second direction, this second direction in fact perpendicular to this first party and to, this elastic component is located at this tank, one first end of this elastic component is connected in this main body by this supporting member, one second end of this elastic component is resisted against the sidewall of this jaw portion in this tank, this tank extends and defines a center line along this first direction, this center line is by the mid point at bearing of trend two ends and the axle center of this supporting member of this tank, make this center line and this sliding axle line overlap.

10. spanner according to claim 1, is characterized in that, the extension of described interface is by this shifting part.