CN2440622Y

CN2440622Y - Monkey spanner structure

Info

Publication number: CN2440622Y
Application number: CN 00257810
Authority: CN
Inventors: 王美蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-16
Filing date: 2000-10-16
Publication date: 2001-08-01
Anticipated expiration: 2010-10-16

Abstract

The utility model relates to a monkey spanner structure which comprises a tool main body, a locking device and a fixing device. The defect that the existing monkey spanner is unable to position is effectively solved by the monkey spanner structure of the utility model. Particularly, when a screw nut is clamped by the monkey spanner, a regulating wheel is fixedly locked by the locking device. So the looseness of a movable jaw can be prevented, and the utility model has the advantages of long service life and high accurate degree and has a positioning function.

Description

A kind of monkey wrench structure

The utility model relates to a kind of monkey wrench structure; especially so a kind of monkey wrench structure; when monkey wrench clamps nut; utilize the locked instrument locking to adjust wheel; make to adjust and take turns and to rotate; can prevent of the operation of the movable jaw of monkey wrench because of the user; and cause the loosening of movable jaw; destroy nut Luo Jiao; the protection nut is not damaged by spanner; track two side walls at the monkey wrench head runs through a fixture; can prevent because of factors such as improper use of user or external force collisions; and cause the track two side walls to extend out and modification; and then prolong life of product and increase precision; when the user need the moving nut of spiral shell as on the vertical walls or as below a work object time; suppose that the user need leave the working site because of other thing; or both hands are when needing other steps of priority service or working substance; wheel is fixing can't to rotate its spanner because of adjusting; and then make spanner continue the clamping nut; and can not come off because of the gripping that does not have the user, still the clamping nut is got back to the working site operation until the user.

Monkey wrench employed frequency in hand-held tool is quite high, because of having, it adjusts the nut that openings of sizes is suitable for multiple size, and must not use various open-end wrench instead according to the nut of different size, a monkey wrench can support the open-end wrench that replaces many single sizes for the user, can bring greatest convenience and applicability.

Known monkey wrench as shown in Figure 7, in theory, the opening two side walls of monkey wrench must be parallel in design, but can produce glade plane space in operating process behaviour, and the opening that causes monkey wrench is when the clamping nut, promptly can produce and rock, and make the clamping nut that the monkey wrench commonly used can't be firm, when making operation movable wrench pull the application of force,, rocks movable jaw 1 because of producing, and make the Luo Jiao of nut and side impaired, and make the nut distortion.

Known monkey wrench is that first opening with monkey wrench is inserted in nut in the process of pulling nut, transfer to complete clamping nut to adjust wheel 2 again, just can pull nut rotates, but after monkey wrench is pulled nut and is reached certain angle, must utilize adjustment wheel 2 to transfer earlier and unclamp a mouthful size, and form a gap with nut and can withdraw from this nut, entangle nut again and repeat to pull the continued operation mode of nut, but everyone, reversing each time transfers pine to adjust wheel 2, make the gap that produces between opening and the nut neither together, if the gap deficiency of transferring is difficult to withdraw from nut, to be inserted in once more that to pull nut also more difficult, otherwise, produced big gap too if transfer pine, then can in pulling process, injure the spiral shell angle outer rim of nut, wherein can cause sizable damage with the excesssive gap between opening and nut to nut especially, it is adjusted wheel 2 and makes this appropriate gap walk back and forth pulling in the process very easily because of touching, still can't prevent that monkey wrench from injuring the Luo Jiao of nut, in addition, monkey wrench is in the process of back and forth pulling nut, movable jaw 1 is back and forth stressed and make and adjust wheel 2 and rotate, and movable jaw 1 is opened, and injure the Luo Jiao of nut.

Moreover, the user is in operating process, finger or working substance touch because of carelessness adjusts wheel 2, all can change the size of opened gap at once, and cause nut angle edge the company of repetition continue pull down badly damaged, so the professional person claims that all monkey wrench is the nut killer, even strict regulations ban use of monkey wrench to pull nut in the military supplies.

In addition; the two side walls 4 of the track that head 3 can move for movable jaw 1 is because of its flakiness shape; promptly can cause the undercapacity at this place; and become an intensity tender spots; when the user pulls nut; during as the undercapacity of track two side walls 4; it can cause track two side walls 4 can't provide movable jaw 1 required intensity; cause track two side walls 4 outwards to be strutted and work as, and movable jaw 1 is rocked, be used for beaing thing when some user regular meeting makes the head 3 of monkey wrench as hammer again; also can cause the impaired or modification of intensity of track two side walls 4; and then when movable jaw 1 clamping nut is pulled, movable jaw 1 is rocked, and undermine the Luo Jiao of nut.

The purpose of this utility model provides a kind of monkey wrench structure, can effectively solve monkey wrench can't location defect, especially when monkey wrench clamps nut, can utilize the locked instrument locking to adjust wheel, make to adjust and take turns and to rotate, thereby the movable jaw that prevents monkey wrench is operated because of the user, and cause the loosening of movable jaw, destroy the Luo Jiao of nut, the track two side walls of the head of monkey wrench runs through a fixture or latch, can prevent factors such as improper use of user or external force collision, and cause the track two side walls to extend out or modification, advance with the extension life of product and increase precision, when the user need the moving nut of spiral shell as on the vertical walls or as below a work object time, suppose that the user need leave the working site because of other thing, or both hands are when needing other steps of priority service or working substance, wheel is fixing can't to rotate its spanner because of adjusting, and then makes spanner continue the clamping nut, and strengthens the formed fragile structure point of track two side walls of head.

For achieving the above object, the utility model is a kind of monkey wrench structure, comprising a tool body, is combined by head and handle, and wherein head is provided with fixed jaw, and utilizes and adjust wheel and drive movable jaw corresponding to fixed jaw and can produce mobile; One locked instrument, this locked instrument pivot are fixed in above-mentioned head and adjust the wheel inboard.One fixture, this fixture are the head both sides of running through above-mentioned.

The recessed empty track of inner transverse at fixed jaw.

Bottom one side wall surface of track is provided with a perforation, and the opposite side wall is provided with a screw in the track bottom, and its middle punch and screw are to run through for above-mentioned fixture.

Fixture can be screw or latch.

Between head and handle, form the accommodation space of a hollow state, this accommodation space is connected with above-mentioned track, the head side is provided with a screw, and this screw is connected with above-mentioned accommodation space, is provided with an inside groove of corresponding screw at the internal face of accommodation space.

Locked instrument pulls out sheet by an end pivot solid of a fixed axis.

One end of fixed axis is concaved with a broken groove, respectively is provided with one symmetrically to perforation in this broken groove two side walls, and is provided with perforation at an end that pulls out sheet, and when pulling out sheet and place broken in the groove, the perforation that utilizes a latch to insert broken groove and pull out sheet makes and pulls out the sheet pivot and be fixed in brokenly in the groove.

Extremely admittedly, pull out an end rear of sheet at fixed axis, be provided with an external screw thread, when after fixedly lock runs through screw of locked instrument, the external screw thread of its fixed axis promptly can be screwed with screw hole, locked instrument need turn clockwise this moment, external screw thread and screw are screwed, and make fixed axis can continue to advance to the inside groove direction of head.

Movable jaw relatively moves along doing one in the track of above-mentioned head, one end of this movable jaw then is provided with the moving portion of a spiral helicine spiral shell, the moving portion of this spiral shell is inserted in track and is screwed with adjusting wheel, and this movable jaw promptly utilizes the moving portion of spiral shell to screw togather with adjusting wheel, moves and can produce in track.

Inboard at movable jaw is provided with groove, when movable jaw rotates via the adjustment wheel, and withdraws to the head outside, promptly can make fixture stretch into the groove inboard.

The utlity model has following characteristics and advantage:

(1) monkey wrench structure of the present utility model, having solved monkey wrench effectively can't location defect, most importantly when monkey wrench clamps nut, promptly utilize the locked instrument locking to adjust wheel, make to adjust and take turns and to rotate, can prevent that the movable jaw of monkey wrench from operating because of the user, and cause the loosening of movable jaw, and then, can guarantee that on the contrary nut is not damaged by spanner to the destruction of nut Luo Jiao;

(2) monkey wrench structure of the present utility model, track two side walls at the head of monkey wrench runs through a fixture, can prevent factors such as improper use of user or external force collision, and cause the track two side walls to extend out or modification, and then extension life of product and increase precision;

(3) monkey wrench structure of the present utility model, when the user need the moving nut of spiral shell as on the vertical walls or as below a work object time, suppose that the user need leave the working site because of other thing, or both hands are when needing other steps of priority service or workpiece, its spanner is because of adjusting fixing can't the rotation, and then make spanner continue the clamping nut, and can not come off because of the gripping that does not have the user, its still the clamping nut get back to the working site operation until the user;

(4) monkey wrench structure of the present utility model, can't hold the location of continuing at monkey wrench for fear of the movable jaw of its open-end wrench, and caused the major defect of damaging nut, and the industrial value of the user of the spanner that takes in sail and reduction monkey wrench thereof, and the utility model not only has positioning function, and, strengthen its intensity at the formed fragile structure point of the track two side walls of head.

Description of drawings is as follows:

Fig. 1 is a stereo appearance figure of the present utility model;

Fig. 2 is a three-dimensional system diagram of the present utility model;

Fig. 3 is a fragmentary, perspective view of the present utility model;

Fig. 4 is locked instrument mode of operation figure of the present utility model;

Fig. 5 is locked instrument mode of operation figure of the present utility model;

Fig. 6 is the three-dimensional system diagram of another embodiment of the utility model;

Fig. 7 is public monkey wrench stereogram.

The utility model is a kind of monkey wrench structure, please cooperate and consult Fig. 1, and it comprises:

The tool body 200 that one head 10 and a handle 20 are combined, wherein the side of head 10 is provided with a fixed jaw 11, the recessed empty track 12 of the inner transverse of this fixed jaw 11, be provided with a perforation 122 with bottom one side wall surface 121 of this track 12, be provided with a screw 124 with track 12 bottom opposite side walls 123, one fixture 13, this fixture 13 is a screw 131, after this screw 131 runs through aforesaid perforation 122, be screwed with screw 124 again, the setting of this fixture 13 can prevent when factors such as improper use of user or external force collisions, and make track 12 two side walls 121,123 extend out or modification, and form the accommodation space 14 of a hollow state between head 10 and the handle 20, this accommodation space 14 is connected with above-mentioned track 12, head 10 sides are provided with a screw 15 again, and this screw 15 is to be connected with above-mentioned accommodation space 14, are provided with an inside groove 16 of corresponding screw 15 again with the internal face of accommodation space 14.

One adjusts wheel 30, this adjustment wheel 30 is a screw rod body, its outer rim also is provided with the non slip surface 31 of profile of tooth, this adjustment wheel 30 places in the above-mentioned accommodation space 14, be provided with an elastomer 32 in a side of adjusting wheel 30, utilize the elastic force of elastomer 32 will adjust wheel 30 and push a side of accommodation space 14 inwalls to, adjust the side that wheel 30 is positioned at accommodation space 14 and make.

One locked instrument 40, this locked instrument 40 one is pulled out sheet 42 and forms extremely admittedly by an end of a fixed axis 41, the fixed axis 41 of this locked instrument 40 is through the screw 15 of above-mentioned head 10, adjust wheel 30 and inside groove 16, and adjustment wheel 30 pivots are fixed in the accommodation space 14, adjust wheel 30 idle running in accommodation space 14 and make, wherein an end of fixed axis 41 is concaved with a broken groove 411, respectively be provided with one symmetrical to boring a hole 412 in these broken groove 411 two side walls, and be provided with a perforation 421 at an end that pulls out sheet 42, when pulling out sheet 42 and place brokenly in the groove 411, promptly utilize a latch 43 to insert broken groove 411 and the perforation 412 of pulling out sheet 42, in 421, make and pull out sheet 42 pivots and be fixed in brokenly in the groove 411, admittedly pull out an end rear of sheet at fixed axis 41 pivots, be provided with an external screw thread 413, after the fixedly lock 41 of locked instrument 40 runs through screw 15, the external screw thread 413 of its fixed axis 41 promptly can be screwed with screw 15, locked instrument 40 need turn clockwise this moment, external screw thread 413 and screw 15 are screwed, and make fixed axis 41 can continue to advance to inside groove 16 directions of head 10.

One movable jaw 50, this movable jaw 50 relatively moves along doing one in the track 12 of above-mentioned head 10, and it is corresponding with the fixed jaw 11 of head 10, one end of this movable jaw 50 then is provided with the moving portion 51 of a spiral helicine spiral shell, the moving portion 51 of this spiral shell is inserted in track 12 and is screwed with adjustment wheel 30, this movable jaw 50 promptly utilizes the moving portion 51 of spiral shell to screw togather with adjusting wheel 30, and can move in track 12, and is provided with a groove 52 in movable jaw 50 bottoms.

Please consult Fig. 3 again, this figure adjusts wheel 30 rotations when movable jaw 50 of the present utility model utilizes, and when making movable jaw 50 retreat to the end of head 10, the groove 52 of its movable jaw 50 can stretch into for screw 131, promptly can not cause movable jaw of the present utility model 50 excuse portions 10 to add screw 131, and movable jaw 50 scopes of activities are dwindled, as the movable jaw of public monkey wrench often because of big more easy more the rocking of open distance, but when the monkey wrench of this wound magnifies movable jaw 50, it can utilize screw 131 to stretch into groove 52 inside, and make movable jaw 50 be difficult for rocking, it also can utilize the diameter of screw 131 identical with groove 52 width, so movable jaw 50 when the spanner screw, can not shunk back to groove 52 inboards.

Please continue to consult Fig. 4 and Fig. 5, wherein Fig. 4 represents, when the user need be with monkey wrench clamping one nut 60 of the present utility model, it must turn clockwise adjusting wheel 30, movable jaw 50 is moved up, when adjustment wheel 30 rotates to movable jaw 50 clamping nuts 60, promptly can't turn clockwise again and adjust wheel 30, and this moment, locked instrument 40 withdrawed from a distance in screw 15, do not adjust wheel 30 and lock as yet, so in time, should can rotate in the accommodation space 14 of head 10 by adjustment wheel 30 freely, and then can adjust moving of movable jaw 50.

Fig. 5 has clamped nut 60 for monkey wrench of the present utility model, and this moment, for avoiding the user in operating process, finger or workpiece touch because of carelessness adjusts wheel 30, and the size of change opened gap, cause spiral shell angle 61 edge repeating to pull continuously badly damaged accident down, locked instrument 40 clockwise directions can be rotated, and make the external screw thread 413 of locked instrument 40 projecting inward from screw 15, and make external screw thread 413 can replace an end of adjusting wheel 30, clamped nut because of movable jaw 50 this moment, and adjustment wheel 30 can't be turned clockwise again, can only be rotated counterclockwise and adjust wheel 30, but when adjustment wheel 30 is rotated counterclockwise, promptly can cause movable jaw 50 loosen nut 60, so be rotated counterclockwise for avoiding adjusting wheel 30, and cause movable jaw 50 loosen nut 60, so need locked instrument 40 is turned clockwise, make external screw thread 413 protrude from screw 15 outsides, and a side of replacing adjustment wheel 30 of the external screw thread 413 that utilization is protruded, restriction adjustment wheel 30 is rotated counterclockwise, and then prevents to be rotated counterclockwise because of adjustment wheel 30, and cause the loose of movable jaw 50, and make the spiral shell angle 61 of nut 60 impaired.In addition, when nut 60 takes off on screw or double-screw bolt, also can continue to be clamped between fixed jaw 11 and the movable jaw 50, and can not cause the loss of nut 60, when the user need the moving nut of spiral shell 60 as on the vertical walls or as below a work object time, need leave the working site and work as the user because of other thing, or both hands are when needing other steps of priority service or working substance, its spanner can't rotate because of adjusting wheel 30, and then make spanner continue clamping nut 60, and can not come off because of the gripping that does not have the user, its still clamping nut 60 get back to working site operation until the user.

Please consult Fig. 6 again, this figure is depicted as above-mentioned fixture 13 and is screw 131, but this fixture 13 also can change a latch 70 into, strengthens the intensity of track 12 two side walls 121,123, extends out to prevent 12 two walls of track 121,123.

Claims

1, a kind of monkey wrench structure is characterised in that to comprise:

One tool body is combined by head and handle, and wherein head is provided with fixed jaw, and utilize to adjust wheel and drive movable jaw corresponding to fixed jaw and can produce mobile;

One locked instrument, this locked instrument pivot are fixed in above-mentioned head and adjust the wheel inboard.

2, a kind of monkey wrench structure is characterized in that comprising:

One tool body, it is combined by head and handle, and wherein head is provided with fixed jaw, and utilize to adjust wheel and drive movable jaw corresponding to fixed jaw and can produce mobile;

One fixture, this fixture are the head both sides of running through above-mentioned.

3, a kind of monkey wrench structure is characterised in that to comprise:

One locked instrument, this locked instrument pivot are fixed in above-mentioned head and adjust the wheel inboard;

One fixture, this fixture run through above-mentioned head both sides.

4, as claim 1 or 2 or 3 described monkey wrench structures, it is characterized in that: at the recessed empty track of inner transverse of fixed jaw.

5, monkey wrench structure as claimed in claim 4 is characterized in that: bottom one side wall surface of track is provided with a perforation, and the opposite side wall is provided with a screw in the track bottom, and its middle punch and screw are to run through for above-mentioned fixture.

6, monkey wrench structure as claimed in claim 4, it is characterized in that: fixture can be screw or latch.

7, as claim 1 or 2 or 3 described monkey wrench structures, it is characterized in that: the accommodation space that forms a hollow state between head and the handle, this accommodation space is connected with above-mentioned track, the head side is provided with a screw, this screw is connected with above-mentioned accommodation space, is provided with an inside groove of corresponding screw at the internal face of accommodation space.

8, as claim 1 or 2 or 3 described monkey wrench structures, it is characterized in that: locked instrument pulls out sheet by an end pivot solid of a fixed axis.

9, monkey wrench structure as claimed in claim 7, it is characterized in that: an end of fixed axis is concaved with a broken groove, this broken groove two side walls respectively be provided with one symmetrical to the perforation, and be provided with perforation at an end that pulls out sheet, when pulling out sheet and place brokenly in the groove, utilize a latch to insert broken groove and the perforation of pulling out sheet, make and pull out the sheet pivot and be fixed in brokenly in the groove.

10, monkey wrench structure as claimed in claim 7, it is characterized in that pulling out extremely admittedly an end rear of sheet at fixed axis, be provided with an external screw thread, when after fixedly lock runs through screw of locked instrument, the external screw thread of its fixed axis promptly can be screwed with screw hole, the locked instrument that need turn clockwise was screwed external screw thread and screw, and made fixed axis can continue to advance to the inside groove direction of head this moment.

11, as claim 1 or 2 or 3 described monkey wrench structures, it is characterized in that: movable jaw relatively moves along doing one in the track of above-mentioned head, one end of this movable jaw then is provided with the moving portion of a spiral helicine spiral shell, the moving portion of this spiral shell is inserted in track and is screwed with the adjustment wheel, this movable jaw promptly utilizes the moving portion of spiral shell to screw togather with adjusting wheel, moves and can produce in track.

12, as claim 2 or 3 described monkey wrench structures, it is characterized in that: the inboard at movable jaw is provided with groove, when movable jaw rotates via the adjustment wheel, and withdraws to the head outside, promptly can make fixture stretch into the groove inboard.