CN102233549A

CN102233549A - Adjustable spanner

Info

Publication number: CN102233549A
Application number: CN2010101690773A
Authority: CN
Inventors: 陈怡安
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-28
Filing date: 2010-04-28
Publication date: 2011-11-09

Abstract

The invention discloses an adjustable spanner which comprises a body with a fixed jaw, a movable jaw and a limiting unit, wherein the movable jaw is arranged on the body and can move on the body in a direction close to the fixed jaw or far from the fixed jaw; the limiting unit is pivoted on the body and buckled on the movable jaw in a normal state to limit the displacement of the movable jaw relative to the fixed jaw; and when the limiting unit swings on the body and is separated from the movable jaw, the movable jaw can move relative to the fixed jaw and is quickly close to the fixed jaw or separated from the fixed jaw.

Description

Monkey wrench

Technical field

The invention relates to a kind of monkey wrench, but the monkey wrench of fixed jaw is drawn close or be located away to particularly a kind of rapid adjustment movable jaw.

Background technology

For the assembly operation of workpiece, all need to be undertaken the rotary manipulation of locked assemblies such as screw, bolt or nut usually in daily life by spanner.And because these locked assemblies are of different sizes size usually, therefore in the use of Wrench, the user can select to operate with monkey wrench.Its reason is, monkey wrench has a fixed jaw and a movable jaw, the user can use with the locked assembly corresponding to the different size size by the distance of adjusting between fixed jaw and the movable jaw, makes locked assembly be subjected to clamping action between fixed jaw and movable jaw and is pulled rotation.Therefore, monkey wrench has the characteristic of the locked assembly that is applicable to the various sizes size, and is quite convenient in the use for the user.

Generally be provided with in the structure of monkey wrench, include a lever, a worm screw and a movable jaw haply, an end of lever has a fixed jaw, and in the position of lever adjacent to fixed jaw, is provided with the chute and the storage tank that are connected.The surperficial spiral of worm screw is provided with a groove, and worm screw is arranged in the storage tank, and can rotate relative to lever in storage tank.One end of movable jaw is movably set in the chute of lever, and the other end is then corresponding to fixed jaw.And an end that is arranged at chute in movable jaw has a plurality of tooth bars, and the groove of worm screw is embedded in the tooth bar of movable jaw in storage tank.Therefore, when worm screw is rotated in storage tank, can drive movable jaw by groove promotes tooth bar and move, and then adjust distance between movable jaw and the fixed jaw towards fixed jaw or the direction that is away from fixed jaw.

Yet, the set-up mode of above-mentioned monkey wrench has many shortcomings in the use, for example drive the mode that movable jaw moves by rotary worm, because the contact area between the groove of worm screw and the tooth bar of movable jaw is little, and the set-up mode of spiral groove causes rotate path long easily, and cause movable jaw moving slowly in chute, causing the user must expend considerable time has the distance of movable jaw relative fixed jaw at accent.And, because must promoting worm screw by the friction between the groove of finger and worm screw, the user rotates, the ccontaining phenomenon that causes user's finger injuries, and can't carry out the adjustment action of movable jaw repeatedly.

In addition, owing to after the groove of worm screw is embedded in the tooth bar of movable jaw, can leave a predetermined backlash between groove and tooth bar usually, in storage tank in order to worm screw can be rotated smoothly.After movable jaw is adjusted to the precalculated position; cause movable jaw in chute, still can have a little mobile space easily; so will cause monkey wrench on the application of force of holding workpiece, the time regular meeting be difficult to stable with piece-holder because of loosening the walking of movable jaw.

Summary of the invention

In view of above problem, the invention provides a kind of monkey wrench, use the distance that the existing monkey wrench of improvement can't rapid adjustment movable jaw relative fixed jaw, and the problem that in operation, causes the injury of user's hand easily.And the movable jaw of using the existing monkey wrench of improvement is after being adjusted to the precalculated position, loosening walking on monkey wrench easily, and cause the firmly problem of holding workpiece of monkey wrench.

The present invention discloses a kind of monkey wrench, includes a body, a movable jaw and a position-limiting unit.Body has a fixed jaw, and this body is provided with the containing hole that a channel and is communicated in channel adjacent to a side of fixed jaw.Movable jaw has a fastener, and fastener is arranged in channel, and can be in channel shift reciprocately, make movable jaw relative fixed jaw draw close or separate.Position-limiting unit includes a rotating shaft, two fasteners and an elastic component, rotating shaft is arranged in containing hole, and each fastener has one first end and one second end, and two fasteners are hubbed at rotating shaft, and can be in containing hole rotate mutually, the first end clipping that makes two fasteners is in fastener or be located away from fastener.Two ends that elastic component is relative are resisted against second end of two fasteners respectively, and the first end clipping that makes two fasteners is in fastener, draw close or separate with restraint jaw relative fixed jaw.

The present invention discloses a kind of monkey wrench in addition, includes a body, a movable jaw and at least one position-limiting unit.Body has a fixed jaw, and body is provided with the containing hole that a channel and is communicated in channel adjacent to a side of fixed jaw.Movable jaw has a fastener, fastener be arranged in channel and can be in channel shift reciprocately, make movable jaw relative fixed jaw draw close or separate.Position-limiting unit has a rotating shaft, a fastener and an elastic component, rotating shaft is arranged in the relative dual side-edge of body adjacent to containing hole, fastener is hubbed at rotating shaft, and fastener has one first end and one second end, first end is corresponding to containing hole, and can in containing hole, swing and be fastened on fastener or be located away from fastener.Two ends that elastic component is relative are resisted against second end and body respectively, make first end be fastened on fastener normally, draw close or separate with restraint jaw relative fixed jaw.

The present invention also discloses a kind of monkey wrench, includes a body, a fixed jaw, a movable jaw and at least one position-limiting unit.Fixed jaw is arranged at body, and fixed jaw has a dragging track and a clamping part, and two ends that dragging track is relative connect body and clamping part respectively.Movable jaw has a top and a fit portion; the top is corresponding to clamping part, fit portion be sheathed on dragging track and can be on dragging track shift reciprocately, make the relative clamping part in top draw close or separate; wherein fit portion has at least one through hole, and through hole is communicated in dragging track.Position-limiting unit includes a rotating shaft, a fastener and an elastic component, and rotating shaft is arranged in the relative dual side-edge of fit portion adjacent to through hole, and fastener is hubbed at rotating shaft.Fastener has one first end and one second end, and first end is corresponding to through hole, and can swing in through hole and be fastened on dragging track or be located away from dragging track.Two ends that elastic component is relative are resisted against second end and fit portion respectively, make first end be fastened on dragging track normally, draw close or separate with restriction top relative clamping part.

Effect of the present invention is that the user only need apply pressed by external force in position-limiting unit, can remove the buckling state between position-limiting unit and movable jaw or the fixed jaw, but and the distance of rapid adjustment movable jaw relative fixed jaw.Therefore can avoid user's finger in operating process, to come to harm, and can effectively promote user's operating efficiency.Simultaneously, because position-limiting unit pivotally is fastened on movable jaw or fixed jaw, the abaculus of position-limiting unit can be fastened in the groove of the groove of movable jaw or fixed jaw closely, allow being limited on the precalculated position that movable jaw can be firm, do not walk and can in the operating process of monkey wrench, not become flexible.

Above about content of the present invention explanation and the explanation of following embodiment in order to demonstration with explain principle of the present invention, and provide patent claim of the present invention further to explain.

Description of drawings

Fig. 1 is the decomposing schematic representation of first embodiment of the invention;

Fig. 2 is the combination schematic diagram of first embodiment of the invention;

Fig. 3 and Fig. 4 are the user mode schematic diagram of first embodiment of the invention;

Fig. 5 A to Fig. 5 F is the elevational schematic view of the movable jaw of first embodiment of the invention;

Fig. 6 is embedded in the structural representation of groove with the structural form correspondence of equilateral triangle for the abaculus of first embodiment of the invention;

Fig. 7 is embedded in the structural representation of groove with the structural form correspondence of right angled triangle for the abaculus of first embodiment of the invention;

Fig. 8 is the decomposing schematic representation of second embodiment of the invention;

Fig. 9 is the combination schematic diagram of second embodiment of the invention;

Figure 10 and Figure 11 are the user mode schematic diagram of second embodiment of the invention;

Figure 12 only is provided with the decomposing schematic representation of single position-limiting unit for the monkey wrench of second embodiment of the invention;

Figure 13 is the combination schematic diagram of third embodiment of the invention;

Figure 14 is the partial exploded view of third embodiment of the invention;

Figure 15 is the generalized section of third embodiment of the invention;

Figure 16 is the user mode schematic diagram of third embodiment of the invention;

Figure 17 is the combination schematic diagram of fourth embodiment of the invention;

Figure 18 is the partial exploded view of fourth embodiment of the invention;

Figure 19 is the generalized section of fourth embodiment of the invention; And

Figure 20 is the user mode schematic diagram of fourth embodiment of the invention.

Wherein main Reference numeral is:

10 bodies, 220 tops

110 holding ends 221 hold face

120 operating sides, 230 fit portions

121 end faces, 231 sleeve joint holes

122 passages, 232 through holes

123 containing holes, 233 projections

124 projections, 234 limited posts

125 blind holes, 30 position-limiting units

126 joint portions, 310 fasteners

127 limited posts, 311 first ends

130 fixed jaws, 3111 abaculus

131 clamping faces, 312 second ends

132 clamping parts, 3121 projections

133 dragging tracks, 313 articulated sections

134 grooves, 3131 axis holes

320 rotating shafts of 20 movable jaws

210 fasteners, 330 elastic components

211 grooves, 40 covers heal up

The specific embodiment

Shown in " Fig. 1 " and " Fig. 2 ", be the disclosed monkey wrench of first embodiment of the invention, it comprises a body 10, a movable jaw 20 and a position-limiting unit 30.Body 10 has a holding end 110 and an operating side 120, and operating side 120 has a fixed jaw 130, and fixed jaw 130 is arranged at the other end 121 of operating side 120 relative holding ends 110.In present embodiment, fixed jaw 130 120 extends to form from the operating side, and protrudes from the end face 121 of operating side 120.Fixed jaw 130 has a clamping face 131, and a side of clamping face 131 is adjacent to the edge of end face 121.Operating side 120 also has a passage 122 and a containing hole 123, and passage 122 is along the direction setting perpendicular to the clamping face 131 of fixed jaw 130, and passage 122 is exposed to the end face 121 of operating side 120, and is communicated to fixed jaw 130.Containing hole 123 is arranged at the side of operating side 120 adjacent to end face 121, and containing hole 123 is through the operating side 120 and be communicated in passage 122.

Movable jaw 20 has a fastener 210 and a top 220, and fastener 210 is movably set in the

passage

122, and 220 of tops protrude from the end face 121 of operating side 120.The two-phase his-and-hers watches face of fastener 210 is corresponding to containing hole 123, and part is exposed to the side of containing hole 123 adjacent to passage 122.And, on this two surface, being respectively arranged with a plurality of grooves 211, a plurality of grooves 211 are spaced in two surfaces, and each groove 211 is along the radial direction setting of fastener 210.Wherein, the structural form of fastener 210 is matched with the structural form of channel 122, shown in " Fig. 5 A " to " Fig. 5 F ", when the structural form of passage (not shown) was square, trapezoidal, circle or polygonal, 211 correspondences of two surfaces of fastener 210 and groove were set to forms such as linear, hypotenuse shape, circular arc and sharp cone distal.Above-mentioned structural form is in order to as illustrating, but not as limit.

Please consult " Fig. 1 " and " Fig. 2 " once more, top 220 has one and holds face 221, and holds the clamping face 131 of face 221 corresponding to fixed jaw 130.The fastener 210 of movable jaw 20 can be in passage 122 shift reciprocately (promptly the direction towards fixed jaw 130 moves or moves towards the direction that is away from fixed jaw 130), movable jaw 20 is drawn close in fixed jaw 130 or with fixed jaw 130 is separated.When movable jaw 20 is drawn close in fixed jaw 130, the face that holds 221 of movable jaw 20 is pressed close to (or against) in the clamping face 131 of fixed jaw 130.When movable jaw 20 is located away from fixed jaw 130,221 in the face that holds of movable jaw 20 is away from the clamping face 131 of fixed jaw 130, and forms a cover heal up 40 between face of holding 221 and clamping face 131.

Position-limiting unit 30 includes two fasteners 310, a rotating shaft 320 and an elastic component 330.Two fasteners 310 are movably set in the containing hole 123 of operating side 120.Each fastener 310 has one first end 311 and one second end, 312, the first ends 311 have at least one abaculus 3111, and abaculus 3111 is corresponding to the groove 211 of fastener 210, and in order to be embedded in the groove 211, mobile in passage 122 in restriction fastener 210.Therefore, abaculus 3111 quantity is set, can be the set-up mode of single abaculus 3111, make abaculus 3111 be embedded in one of them of a plurality of grooves 211, and between first end 311 and fastener 210, form buckling state; Or with the set-up mode of a plurality of abaculus 3111, the bond strength when fastening mutually to increase by first end 311 and fastener 210.In present embodiment, be provided with a plurality of abaculus 3111 as illustrating with first end 311, but not as limit.

Second end 312 of fastener 310 has a projection 3121, and a plurality of abaculus 3111 and projection 3121 are arranged at the same side of fastener 310.Wherein, the structural form of abaculus 3111 is corresponding to groove 211 forms of fastener 210, for example, abaculus 3111 can be but be not limited to the structural form corresponding to groove 211 such as equilateral triangle (shown in " Fig. 6 ") or right angled triangle (shown in " Fig. 7 "), abaculus 3111 can correspondence be embedded in the groove 211, have the buckling state of position-limiting action with formation.

In addition, between first end 311 of fastener 310 and second end 312, have an articulated section 313, and articulated section 313 has an axis hole 3131.When two fasteners 310 are movably set in containing hole 123, wherein first end 311 of a fastener 310 and second end 312 correspond respectively to first end 311 and second end 312 of another fastener 310.And the articulated section 313 of two fasteners 310 is arranged in the containing hole 123 in the mode of dislocation, makes the axis hole 3131 of two articulated sections 313 corresponding.

Therefore, when rotating shaft 320 when 130 direction wore containing hole 123 and was fixed in body 10 along movable jaw 20 towards fixed jaw, rotating shaft 320 wore the axis hole 3131 of two articulated sections 313 in regular turn in containing hole 123, two fasteners 310 are hubbed in the rotating shaft 320, and can in containing hole 123, rotate mutually by rotating shaft 320, make first end, 311 clippings of two fasteners 310 be separated in the fastener 210 of movable jaw 20 or with fastener 210.Simultaneously, when first end, 311 clippings during in fastener 210, first end 311 is embedded in a plurality of grooves 211 of fastener 210 with a plurality of abaculus 3111 correspondences, in passage 122 intrinsic displacements, fastener 210 can't be moved with restriction fastener 210 in passage 122 towards the direction of fixed jaw 130 or towards the direction that is away from fixed jaw 130.

Please continue to consult " Fig. 1 " and " Fig. 2 ", elastic component 330 can be but be not limited to the assembly that spring or shell fragment etc. have elastic-restoring force, serves as the compression spring as illustrating with elastic component 330 in present embodiment, but not as limit.Elastic component 330 is arranged between second end 312 of two fasteners 310, and elastic component 330 two relative ends are sheathed on the projection 3121 of second end 312 respectively and are resisted against second end 312, make being separated from each other of second end, 312 normalities of two fasteners 310, and the clipping of first end, 311 normalities that makes two fasteners 310 is in the fastener 210 (shown in " Fig. 2 " and " Fig. 3 ") of movable jaw 20.

Please consult " figure " simultaneously to " Fig. 4 ", therefore in the use of monkey wrench, the user can apply second end 312 of a pressed by external force two fasteners 310, allow two fasteners 310 rotating shaft 320 in the containing hole 123 of operating side 120, rotate for fulcrum, and then second end 312 of two fasteners 310 is drawn close mutually, and make first end 311 be located away from the fastener 210 of movable jaw 20, with the abaculus 3111 of removing first end 311 buckling state (shown in " Fig. 4 ") with the groove 211 of fastener 210.At this moment, the fastener 210 of movable jaw 20 can move freely in the passage 122 of operating side 120, allow the user can promote fastener 210 towards the direction of fixed jaw 130 or be away from the direction displacement of fixed jaw 130, making the face that holds 221 of top 220 draw close fast in the clamping face 131 of fixed jaw 130 or with clamping face 131 is separated, adjusting heal up 40 size of cover, and can or lock operation corresponding to the dismounting of the locked assembly (not shown) of different size.

Afterwards, put on the releasing of external force of second end 312 of two fasteners 310 as the user after, second end 312 of two fasteners 310 be subjected to elastic component 330 elastic-restoring force effect and separate, and promote in abaculus 3111 groove that is embedded in fastener 210 211 once more of first end 311, fastener 210 can't be moved freely in passage 122, and allow heal up 40 size of adjusted cover obtain fixing.Therefore, the user can be healed up by cover and 40 is sheathed on locked assembly, and with the face that holds 221 clippings of the clamping face 131 of fixed jaw 130 and movable jaw 20 in two opposite side faces of locked assembly, rotate with the pushing and pressing locked assembly, and then finish the dismounting of locked assembly or lock operation.

Based on above-mentioned structure, effect of the present invention is to allow the user see through to push or discharges two fasteners, make two fasteners be located away from movable jaw or clipping in movable jaw, and can adjust distance between movable jaw and the fixed jaw fast, use with real-time locked assembly corresponding to the different size specification.And, because two fasteners are to be fastened on movable jaw in the mode that pivots, therefore when the abaculus of two fasteners is fastened on the groove of movable jaw, between abaculus and groove, need not leave predetermined gap, and then abaculus can be fastened on closely in the groove, make movable jaw by firm being limited on the monkey wrench, allow the user be convenient to dismantle or lock the operation of locked assembly to keep the cover size of healing up.

Shown in " Fig. 8 " and " Fig. 9 ", be the disclosed monkey wrench of second embodiment of the invention, it comprises a body 10, a movable jaw 20 and two position-limiting units 30.Body 10 has a holding end 110 and an operating side 120, and operating side 120 is provided with a fixed jaw 130, and fixed jaw 130 is arranged at the other end 121 of operating side 120 relative holding ends 110, and protrudes from this end face 121.Fixed jaw 130 has a clamping face 131, and a side of clamping face 131 is adjacent to the edge of end face 121.Operating side 120 also has a passage 122 and a containing hole 123, and passage 122 is along the direction setting perpendicular to the clamping face 131 of fixed jaw 130, and passage 122 is exposed to the end face 121 of operating side 120, and is communicated to fixed jaw 130.Containing hole 123 is arranged at the side of operating side 120 adjacent to end face 121, and containing hole 123 is through the operating side 120 and be connected with passage 122.In addition, all be provided with two projections 124 and a blind hole 125 on the relative two side faces of operating side 120 adjacent to end face 121, two projections 124 are arranged on the side side adjacent to containing hole 123, and between containing hole 123 and blind hole 125, and have a spacing between two projections 124.

Movable jaw 20 has a fastener 210 and a top 220, and fastener 210 is movably set in the passage 122, and 220 of tops protrude from the end face 121 of operating side 120.The two-phase his-and-hers watches face of fastener 210 is corresponding to containing hole 123, and part is exposed to the side of containing hole 123 adjacent to passage 122.And, on this two surface, being respectively arranged with a plurality of grooves 211, a plurality of grooves 211 are spaced in two surfaces, and each groove 211 is along the radial direction setting of fastener 210.Top 220 has one and holds face 221, and holds the clamping face 131 of face 221 corresponding to fixed jaw 130.The fastener 210 of movable jaw 20 can be in passage 122 shift reciprocately (promptly the direction towards fixed jaw 130 moves or moves towards the direction that is away from fixed jaw 130), movable jaw 20 is drawn close in fixed jaw 130 or with fixed jaw 130 is separated.When movable jaw 20 is drawn close in fixed jaw 130, the face that holds 221 of movable jaw 20 is close to the clamping face 131 of fixed jaw 130.When movable jaw 20 is located away from fixed jaw 130,221 in the face that holds of movable jaw 20 is away from the clamping face 131 of fixed jaw 130, and forms a cover heal up 40 between face of holding 221 and clamping face 131.

Two position-limiting units 30 are arranged at the relative two side faces that operating side 120 is provided with projection 124 and blind hole 125 respectively, and each position-limiting unit 30 all includes a fastener 310, a rotating shaft 320 and an elastic component 330.Fastener 310 is arranged between two projections 124, fastener 310 has one first end 311 and one second end 312, first end 311 has 312 at a plurality of abaculus 3111, the second ends and has a projection 3121, and a plurality of abaculus 3111 and projection 3121 are arranged at the same side of fastener 310.Wherein, abaculus 3111 is corresponding to the containing hole 123 of operating side 120, and projection 3121 is then corresponding to blind hole 125.And, between first end 311 of fastener 310 and second end 312, have an articulated section 313, and articulated section 313 has an axis hole 3131.

Rotating shaft 320 wore the axis hole 3131 of two projections 124 and articulated section 313, and fastener 310 is hubbed in the rotating shaft 320, and can rotating shaft 320 swing with respect to body 10 for fulcrum, swung in containing hole 123 and drive first end 311 in the lump.The elastic component 330 of position-limiting unit 30 has the assembly of elastic-restoring force for spring or shell fragment etc., one end of elastic component 330 is placed in the blind hole 125 of operating side 120, the other end of elastic component 330 then is sheathed on the projection 3121 of fastener 310, and be resisted against second end 312 of fastener 310, make the fastener that is fastened on movable jaw 20 210 of first end, 311 normalities, in passage 122, move with restriction fastener 210.

Wherein, shown in " Figure 10 ", when first end 311 is swung in containing hole 123 and is drawn close fastener 210 in movable jaw 20, first end 311 is embedded in a plurality of grooves 211 of fastener 210 with a plurality of abaculus 3111 correspondences, make fastener 210 be subjected to the fastening effect of first end 311, and can't in passage 122, move freely.Shown in " Figure 11 ", when first end 311 is swung in containing hole 123 and when fastener 210 separates, a plurality of abaculus 3111 of first end 311 break away from a plurality of grooves 211 in fastener 210, and remove buckling state between first end 311 and the fastener 210, make fastener 210 can be in passage 122 towards the direction of fixed jaw 130 or be away from the direction fast offset of fixed jaw 130, and then movable jaw 20 can be drawn close fast in fixed jaw 130 or with fixed jaw 130 be separated.

Therefore, in the operation of monkey wrench of the present invention, the user can see through second end of pushing fastener, makes the fastener of first end and movable jaw remove buckling state, and can adjust the position of movable jaw with respect to fixed jaw fast.And compared to the mode that existing monkey wrench rotates with the finger push worm screw, monkey wrench of the present invention sees through the mode of pushing fastener and more can protect user's finger to avoid being subjected to the friction injury of worm screw.Simultaneously, when the user discharges second end of fastener, then first end can be subjected to the elastic-restoring force effect of elastic component, and is fastened on fastener, move with restraint jaw relative fixed jaw, and then make the size that formed cover heals up between movable jaw and the fixed jaw obtain fixing.The user can be located at locked assembly by the fit muzzle, and carries out the dismounting of locked assembly or lock operation.

In addition, shown in " Figure 12 ", in the second embodiment of the present invention, also can adopt the set-up mode of single position-limiting unit 30, can be resisted against second end 312 of fastener 310 equally by elastic component 330, make first end 311 be fastened on the fastener 210 of movable jaw 20, and restraint jaw 20 relative fixed jaws 130 move; Or by second end 312 of pushing fastener 310, first end 311 is broken away from fastener 210, allow movable jaw 20 can be on body 10 relative fixed jaw 130 fast moving, and reach the heal up purpose of 40 size of rapid adjustment cover.

See also " Figure 13 " and " Figure 14 ", be the disclosed monkey wrench of third embodiment of the invention, it comprises a body 10, a movable jaw 20 and two position-limiting units 30.Body 10 has a holding end 110 and an operating side 120, and operating side 120 is provided with a fixed jaw 130, and fixed jaw 130 is arranged at the opposite side of operating side 120 relative holding ends 110, and fixed jaw 130 has a clamping face 131.In addition, operating side 120 has a passage 122 and a containing hole 123, and has a joint portion 126 on the side of operating side 120 adjacent to fixed jaw 130, and passage 122 and containing hole 123 are arranged at joint portion 126.Wherein, passage 122 is along the direction setting perpendicular to the clamping face 131 of fixed jaw 130, containing hole 123 then the edge perpendicular to the direction of passage 122 through the joint portion 126, and containing hole 123 is connected with passage 122.In addition, 126 two opposite side faces are provided with two opposite sides that two projections 124 and a limited post 127, two projections 124 are arranged at containing hole 123 in the joint portion, and limited post 127 then is positioned at the opposite side of containing hole 123, and between two projections 124.

passage

122, and 220 of tops are corresponding to fixed jaw 130.Relative two surfaces of fastener 210 are corresponding to containing hole 123, and part is exposed to containing hole 123.And, on this two surface, being respectively arranged with a plurality of grooves 211, a plurality of grooves 211 are spaced in two surfaces, and each groove 211 is along the radial direction setting of fastener 210.Top 220 has one and holds face 221, holds the clamping face 131 of face 221 corresponding to fixed jaw 130.Wherein, the fastener 210 of movable jaw 20 can be in passage 122 along the operating side 120 of body 10 towards the direction shift reciprocately of holding end 110, make the face that holds 221 of movable jaw 20 be close to the clamping face 131 of fixed jaw 130; Or the face that holds 221 that makes movable jaw 20 is away from the clamping face 131 of fixed jaw 130, heals up 40 and form a cover between face of holding 221 and clamping face 131.

Two position-limiting units 30 are arranged at the relative two side faces that operating side 120 is provided with projection 124 and limited post 127 respectively, and each position-limiting unit 30 all includes a fastener 310, a rotating shaft 320 and an elastic component 330.Fastener 310 is arranged between two projections 124, fastener 310 has one first end 311 and one second end 312, first end 311 has 312 at a plurality of abaculus 3111, the second ends and has a projection 3121, and a plurality of abaculus 3111 and projection 3121 are arranged at the same side of fastener 310.Wherein, abaculus 3111 is corresponding to the containing hole 123 of operating side 120, and projection 3121 is then corresponding to limited post 127.And, between first end 311 of fastener 310 and second end 312, have an articulated section 313, and articulated section 313 has an axis hole 3131.Rotating shaft 320 wore the axis hole 3131 of two projections 124 and articulated section 313, and fastener 310 is hubbed in the rotating shaft 320, and can rotating shaft 320 for fulcrum with respect to body 10 swings, and then drive first end 311 and in containing hole 123, swing.The elastic component 330 of position-limiting unit 30 has the assembly of elastic-restoring force for spring or shell fragment etc., one end of elastic component 330 is sheathed on the limited post 127 of operating side 120 and is resisted against joint portion 126, the other end of elastic component 330 then is sheathed on the projection 3121 of fastener 310, and be resisted against second end 312 of fastener 310, make the fastener that is fastened on movable jaw 20 210 of first end, 311 normalities, in passage 122, move with restriction fastener 210.

Please consult " Figure 13 " simultaneously to " Figure 16 ", when first end 311 is swung in containing hole 123 and is drawn close fastener 210 in movable jaw 20, first end 311 is embedded in a plurality of grooves 211 of fastener 210 with a plurality of abaculus 3111 correspondences, make fastener 210 be subjected to the fastening effect of first end 311, and can't be in moving freely (shown in " Figure 15 ") in the passage 122.And, when first end 311 is swung in containing hole 123 and when fastener 210 separates, a plurality of abaculus 3111 of first end 311 break away from a plurality of grooves 211 in fastener 210, and remove buckling state (shown in " Figure 16 ") between first end 311 and the fastener 210, make fastener 210 can be in passage 122 direction towards holding end 110 moves freely along the operating side 120 of body 10, the face that holds 221 of movable jaw 20 can be drawn close fast in the clamping face 131 of fixed jaw 130 or with clamping face 131 be separated, and have the heal up effect of 40 size of rapid adjustment cover.

Shown in " Figure 17 " and " Figure 18 ", be the disclosed monkey wrench of fourth embodiment of the invention, it comprises a body 10, a movable jaw 20 and two position-limiting units 30.Body 10 has a holding end 110 and an operating side 120, and operating side 120 is provided with a

fixed jaw

130, and 120 direction is arranged at operating side 120 to fixed jaw 130 towards the operating side along holding end 110.Fixed jaw 130 has a clamping face 131, a clamping part 132 and a dragging track 133, and an end of dragging track 133 is connected in operating side 120, and the other end of dragging track 133 then is connected in clamping part 132.Clamping part 132 extends to form along the radial direction of dragging track 133, and protrudes from dragging track 133, and clamping face 131 is arranged at the side of clamping part 132 with respect to body 10.Wherein, two opposite side faces of dragging track 133 are provided with a plurality of grooves 134, and each groove 134 is along the radial direction setting of dragging track 133, and promptly clamping part 132 protrudes from the direction of dragging track 133.

Movable jaw 20 has a top 220 and a fit portion 230, and top 220 is connected in fit portion 230, and top 220 has one and holds face 221.Fit portion 230 has a sleeve joint hole 231 and a through hole 232 that is connected, and sleeve joint hole 231 and through hole 232 run through fit portion 230 respectively, and sleeve joint hole 231 is provided with direction perpendicular to through hole 232 in fit portion 230.In addition, be provided with two opposite sides that two projections 233 and a limited post 234, two projections 233 are arranged at through hole 232 in two opposite side faces of fit portion 230, limited post 234 then is positioned at the opposite side of through hole 232, and between two projections 233.

Wherein, fit portion 230 is sheathed on the dragging track 133 of fixed jaw 130 with sleeve joint hole 231, makes a plurality of grooves 134 of through hole 232 corresponding to dragging track 133, and makes the clamping part 132 of top 220 corresponding to fixed jaw 130.Fit portion 230 can in the holding end 110 of dragging track 133 upper edge bodies 10 towards the operating side 120 direction shift reciprocately, top 220 is drawn close in clamping part 132 or with clamping part 132 is separated.When top 220 is drawn close in clamping part 132, top 220 is close to the clamping face 131 of fixed jaw 130 with the face of holding 221; When top 220 is located away from clamping part 132, holds and form a cover between face 221 and the clamping face 131 and heal up 40.

Two position-limiting units 30 are arranged at respectively in the fit portion 230 of movable jaw 20, and are positioned at the relative two side faces that fit portion 230 is provided with projection 233 and limited post 234.Each position-limiting unit 30 includes a fastener 310, a rotating shaft 320 and an elastic component 330, fastener 310 is arranged between two projections 233, fastener 310 has one first end 311 and one second end 312, first end 311 has a plurality of

abaculus

3111,312 at second end has a projection 3121, and a plurality of abaculus 3111 and projection 3121 are arranged at the same side of fastener 310.Wherein, abaculus 3111 is corresponding to the through hole 232 of fit portion 230, and projection 3121 is then corresponding to limited post 234.And, between first end 311 of fastener 310 and second end 312, have an articulated section 313.Articulated section 313 has an axis hole 3131, rotating shaft 320 wore the axis hole 3131 of two projections 233 and articulated section 313, fastener 310 is hubbed in the rotating shaft 320, and can rotating shaft 320 for fulcrum with respect to 230 swings of fit portion, and then drive first end 311 and in through hole 232, swing.

The elastic component 330 of position-limiting unit 30 has the assembly of elastic-restoring force for spring or shell fragment etc., one end of elastic component 330 is sheathed on the limited post 234 of fit portion 230 and is resisted against fit portion 230, the other end of elastic component 330 then is sheathed on the projection 3121 of fastener 310, and be resisted against second end 312 of fastener 310, make in the groove that is fastened on dragging track 133 134 of abaculus 3111 normalities of first end 311, portion 230 moves relative to dragging track 133 with the restriction fit.

Please consult " Figure 17 " simultaneously to " Figure 20 ", in the use of monkey wrench, the user can apply second end 312 of a pressed by external force in two fasteners 310, allow two fasteners 310 rotating shaft 320 be fulcrum, first end 311 is swung in the through hole 232 of fit portion 230, and be located away from the dragging track 133 of fixed jaw 130, and then remove the buckling state (shown in " Figure 20 ") of 134 of the grooves of the abaculus 3111 of first end 311 and dragging track 133.At this moment, the fit portion 230 of movable jaw 20 can move freely on the dragging track 133 of fixed jaw 130, allow the user can promote movable jaw 20 towards the direction of fixed jaw 130 or be away from the direction displacement of fixed jaw 130, making the face that holds 221 of top 220 draw close fast in the clamping face 131 of fixed jaw 130 or with clamping face 131 is separated, and adjust heal up 40 size of cover, with corresponding to the dismounting of the locked assembly (not shown) of different size or lock operation.

Afterwards, remove the external force of second end 312 that puts on two fasteners 310 as the user, second end 312 of two fasteners 310 be subjected to elastic component 330 elastic-restoring force effect and separate, and promote in abaculus 3111 groove that is embedded in dragging track 133 134 once more of first end 311, fit portion 230 can't be moved freely on dragging track 133, and allow heal up 40 size of adjusted cover obtain fixing.

Be noted that; though in the fourth embodiment of the present invention; be to be provided with two position-limiting units with monkey wrench to do and do not illustrate; yet in the fourth embodiment of the present invention, also can adopt the set-up mode of single position-limiting unit; can reach equally by position-limiting unit restraint jaw relative fixed jaw and move; and allow the user make position-limiting unit be located away from movable jaw, and then to allow movable jaw can draw close or be located away from the effect of fixed jaw fast through pushing position-limiting unit.This only is the difference that quantity is set of position-limiting unit, but is not in order to restriction the present invention.

Effect of the present invention is, the user can be by pushing position-limiting unit, make position-limiting unit in pivoting on the monkey wrench and removing buckling state between position-limiting unit and movable jaw or the fixed jaw, allow the user can adjust distance between the movable jaw relative fixed jaw fast.And, because position-limiting unit is pivotally to be fastened on movable jaw or fixed jaw, therefore must preset clearance between the groove of the groove of the abaculus of position-limiting unit and movable jaw or fixed jaw, can allow position-limiting unit be fastened on movable jaw or fixed jaw smoothly, or separate with movable jaw or fixed jaw.Therefore when position-limiting unit was fastened on movable jaw or fixed jaw, restraint jaw relative fixed jaw that can be certain moved, and took place and avoid movable jaw to produce the loosening situation that walks on monkey wrench.

Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.

Claims

1. a monkey wrench is characterized in that, includes:

One body has a fixed jaw, and this body is provided with the containing hole that a passage and is communicated in this passage adjacent to a side of this fixed jaw;

One movable jaw has a fastener, and this fastener is arranged in this passage, and can be in this passage shift reciprocately, make this movable jaw relatively this fixed jaw draw close or separate; And

One position-limiting unit further includes: a rotating shaft is arranged in this containing hole; Two fasteners, each this fastener have one first end and one second end, and this two fastener is hubbed at this rotating shaft, and can be in this containing hole rotate mutually, make two these first end clippings in this fastener or be located away from this fastener; And an elastic component, two ends that this elastic component is relative are resisted against two these second ends respectively, make two these first end clippings in this fastener, with limit this movable jaw relatively this fixed jaw draw close or separate.

2. monkey wrench as claimed in claim 1, it is characterized in that, the two side faces that this fastener is relative has a plurality of grooves respectively, and two these first ends have at least one abaculus respectively, two these first ends are embedded in one of them of this a plurality of grooves with this abaculus, and clipping is in the relative two side faces of this fastener.

3. monkey wrench as claimed in claim 1, it is characterized in that each this fastener also has an articulated section, this articulated section is between this first end and this second end, this rotating shaft wore this articulated section of this two fastener respectively, and made this two fastener be movably set in this containing hole.

4. a monkey wrench is characterized in that, includes:

At least one position-limiting unit, this position-limiting unit further has: a rotating shaft is arranged in the relative dual side-edge of this body adjacent to this containing hole; One fastener is hubbed at this rotating shaft, and this fastener has one first end and one second end, and this first end is corresponding to this containing hole, and can swing in this containing hole and be fastened on this fastener or be located away from this fastener; And an elastic component, two ends that this elastic component is relative are resisted against this second end and this body respectively, make this first end be fastened on this fastener normally, with limit this movable jaw relatively this fixed jaw draw close or separate.

5. monkey wrench as claimed in claim 4 is characterized in that this fastener has a plurality of grooves, and this first end has at least one abaculus, and this fastener is embedded in one of them of this a plurality of grooves with this abaculus of this first end, and is fastened on this fastener.

6. monkey wrench as claimed in claim 4, it is characterized in that this fastener also has an articulated section, this articulated section is between this first end and this second end, this rotating shaft wore this articulated section, made this first end and this second end swing alternately on this body.

7. monkey wrench as claimed in claim 4 is characterized in that this body also has at least one blind hole, and this of this fastener second end has a projection, and an end of this elastic component is arranged in this blind hole, and the other end of this elastic component is sheathed on this projection.

8. a monkey wrench is characterized in that, includes:

One body;

One fixed jaw has a dragging track and a clamping part, and two ends that this dragging track is relative connect this body and this clamping part respectively;

One movable jaw, have a top and a fit portion, this top is corresponding to this clamping part, this fit portion be sheathed on this dragging track and can be on this dragging track shift reciprocately, make this top relatively this clamping part draw close or separate, wherein this fit portion has a through hole, and this through hole runs through this fit portion and is communicated in this dragging track; And

At least one position-limiting unit further includes: a rotating shaft is arranged in the relative dual side-edge of this fit portion adjacent to this through hole; One fastener is hubbed at this rotating shaft, and this fastener has one first end and one second end, and this first end is corresponding to this through hole, and can swing in this through hole and be fastened on this dragging track or be located away from this dragging track; And an elastic component, two ends that this elastic component is relative are resisted against this second end and this fit portion respectively, make this first end be fastened on this dragging track normally, with limit this top relatively this clamping part draw close or separate.

9. monkey wrench as claimed in claim 8, it is characterized in that this dragging track has a plurality of grooves, and this first end has at least one abaculus, this fastener is embedded in one of them of this a plurality of grooves with this abaculus of this first end, and is fastened on this dragging track.

10. monkey wrench as claimed in claim 8, it is characterized in that this fastener also has an articulated section, this articulated section is between this first end and this second end, this rotating shaft wore this this articulated section, made this first end and this second end swing alternately in this fit portion.