CN2787380Y

CN2787380Y - Adjustable wrench

Info

Publication number: CN2787380Y
Application number: CN 200520040569
Authority: CN
Inventors: 洪庆芳; 郑浩成
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-03-31
Filing date: 2005-03-31
Publication date: 2006-06-14
Anticipated expiration: 2015-03-31

Abstract

The utility model relates to a movable wrench which comprises a strip-shaped body, a movable jaw clamp, a driving wheel group, a pushing device and a positioning device, wherein the movable jaw clamp is vertically arranged at one end of the body. The utility model is characterized in that the driving wheel group comprises a first gear engaged with the movable jaw clamp and a second gear arranged between the first gear and the movable jaw clamp so as to drive the pushing device, and the driving wheel group drives the movable jaw clamp to make straight-line movement so as to achieve the purpose of quick adjustment. The positioning device makes the pushing device fixedly locked on a proper position, so the movable wrench with stable positioning and quick adjustment is formed.

Description

Monkey wrench

Technical field

The utility model is about a kind of monkey wrench, and it is involved in the technical field of hand-held tool, and outstanding pointer is improved the structural design that monkey wrench control activity jaw moves, and reaches quick, the stable purpose of operation.

Background technology

In the existing monkey wrench, a kind of form is arranged is a body is coated with a movable jaw that is the crutch shape in a side, the end face of side correspondence is provided with and fixedly stings piece in addition, body is provided with a breach with ccontaining one nut that is sheathed on the movable jaw in a side of movable relatively jaw, one end of this nut and movable jaw is screwed, therefore when the rotary nut of original place, meeting driving activity jaw advances or retreats, make its relative fixed sting piece and form different distance, use for different working substance clampings with the spacing of fixedly stinging piece to adjust movable jaw.

Because the mode of control activity jaw is directly joined with movable jaw by nut, contact area is little, therefore make the activity jaw form lifting when direct rotating screw cap, long because of the rotate path of circulating type, and make movable jaw be clipped in axial moving slowly, not easy rapidly when making us feeling to adjust; And, lack the device that the location is arranged between nut and movable jaw, cause movable jaw to accompany loosening situation unavoidably, make on the application of force of holder crop that because movable jaw pine rolling and walking, it is stable to be difficult to clamping.

Summary of the invention

Therefore, this creator sets about research and development, and in line with professional experiences and gains in depth of comprehension for many years, concentrated test is weeded out the old and bring forth the new, and then proposes the utility model, in the hope of improving the scarce fraud of traditional activity spanner.

Main purpose of the present utility model is for providing a kind of monkey wrench; the design of monkey wrench adjustment activity jaw is carried out with the axial straight line way of propelling; have rapidly easy characteristic, and have both the polarization that fixes, guarantee that movable jaw can not rock easily and influences the reliability of clamping.

For achieving the above object, its structure of monkey wrench of the present utility model includes:

One body, it is the flat strip with two ends, the one end is comparatively long and narrow as a lever, another opposite end is for being wide bellend than lever, the bellend end face is provided with one and fixedly stings piece, should fixedly sting piece have an arc-shaped head and a neck, the arc-shaped head inner edge be formed with one with the vertical identical occlusal surface of body, be formed with a storage tank in the neck; Body interior vertically forms a chute, is formed with two gear grooveds that are interconnected in the bellend, in order to be communicated with the storage tank of fixedly stinging piece with chute respectively;

One is arranged in the movable jaw of fixedly stinging the piece storage tank with movable manner, have a long and straight section and a bending section, long and straight section is placed in the storage tank, and it is provided with denture near body one side, bending section stretch out fixedly sting piece and form one can with fixedly sting the occlusal surface that piece meshes;

One rotary way is hubbed at the driving wheels in the body, and it includes one first gear and one second gear, and two gear interlocks join, and wherein second gear is meshed with the denture of movable jaw;

One can drive the drive unit of driving wheel, includes a push button that can be placed on the interior tooth-arranging strip of chute and formation and the tooth-arranging strip, and this tooth-arranging strip is meshed with first gear; With

One is installed in the positioner of tooth-arranging strip end.

By the conduction that drives wheels, when promoting tooth-arranging strip with drive driving wheels, can further can allow movable jaw be subjected to axial promotion, move along direction perpendicular to body, reach the effect that fast moving is adjusted, and the steadiness of the installing of positioner more can increase monkey wrench and seize the work object on both sides by the arms the time.

Through last explanation, design of the present utility model can improve the shortcoming of traditional activity spanner fully:

1. the utility model sees through tooth-arranging strip and the design that drives wheels, and movable jaw can be promoted by axial straight line, and just the position of the jaw of adjustment activity promptly is convenient rapidly.

2. the utility model is controlled tooth-arranging strip slidably state and on-position via positioner, movable jaw is determined in on-position, cooperate the concavo-convex engagement limits of chute and tooth-arranging strip to locate, it is better to allow the activity of movable jaw sting the effect of piece and occlusal surface holder crop.

The accompanying drawing summary

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

Fig. 2 is a three-dimensional appearance exploded view of the present utility model.

Fig. 3 is the assembled sectional view of overlooking of the present utility model.

Fig. 4 is a 4-4 section assembled sectional view of the present utility model.

Fig. 5 is the side-looking partial sectional view of the utility model Fig. 3 state.

Fig. 6 overlooks assembled sectional view for mode of operation of the present utility model.

Fig. 7 is the side-looking partial sectional view of the utility model Fig. 6 state.

The specific embodiment

The utility model is about a kind of monkey wrench, its primary structure includes a strip body, one is vertically installed in the movable jaw of body one end, one drives wheels, one a thrust unit and a location device along the setting of body direction, wherein, these driving wheels are located between thrust unit and the movable jaw in the mode of grinding tooth interlock, movable jaw can be promoted by straight line as the centre conduction, reach the purpose of fast moving, positioner then allows thrust unit can be locked on the suitable position, can provide strong fix to form one, and the monkey wrench of quick adjustment.

Please earlier referring to Fig. 1-4, the preferred embodiment of monkey wrench of the present utility model includes a body 10, one movable jaw 20, and drives wheels 30, a thrust unit and a location device 50.

Body 10 is for having the flat strip on two ends and two sides, and the one end is comparatively long and narrow as a lever 11, and the end of lever 11 is provided with a sleeve part 112, and what be pivoted with a cross section quadrangularly on this sleeve part 112 pulls piece 114; Lever 11 another opposite ends are to be wide bellend 12 than lever 11 on body 10, its end face is locked to establish and is fixed with one and fixedly stings piece 13, should fixedly sting piece 13 and have an arc-shaped head 132 and a neck 134, these arc-shaped head 132 inner edges have one with the identical occlusal surface of body 10 axial directions, neck 134 is formed at the bottom of fixedly stinging piece 13 and presents one with arc-shaped head 132 and links, in neck 134, vertically be formed with a storage tank 136, big outer little in these storage tank 136 bores, in order to ccontaining movable jaw 20.Body 10 inside have an axial slide 14, and in being formed with 16,18, two gear grooveds 16,18 of two gear grooveds that are interconnected in piece 13 1 ends and being communicated with the storage tank 136 of fixedly stinging piece 13 with chute 14 respectively near fixedly stinging.In addition, further be provided with a lid 102 on the end face of body 10, with chute in the enclosed body 10 14 and gear grooved 16,18.Preferably, this chute 14 is an inverted T-shaped.

Movable jaw 20 is installed in the storage tank 136 with movable manner, and it has a long and straight section and a bending section, and long and straight section is placed in the storage tank 136 of fixedly stinging piece 13, and its inboard is provided with the denture 21 of profile of tooth; The bending section of movable jaw 20 stretches out fixedly stings piece 13, and it can the occlusal surface corresponding with it with respect to forming one on the occlusal surface of fixedly stinging piece 13.

These driving wheels 30 are to be located in the body 10, it includes one first gear 32 and one second gear 34, two

gears

32,34 are hubbed at two gear grooveds 14 of body 10 respectively, in 16, wherein, first gear 32 connects with thrust unit, second gear 34 butt that is meshed with the denture 21 of movable jaw 20.

Drive unit includes a tooth-arranging strip 40 and a push button 42, tooth-arranging strip 40 slidably is fixed in the chute 16, being formed with the multiple tracks tooth on one side of its butt first gear 32 dashes forward and can mesh with first gear 32, to drive first gear 32, push button 42 is formed at the end face of tooth-arranging strip 40, promotes tooth-arranging strip 40 to make things convenient for the user.Because in order not allow tooth-arranging strip 40 deviate from from body 10, its profile is similarly the inverted T-shaped piece, can allow tooth-arranging strip 40 be subjected to chute 14 and restrain and can slide on straight line and adeciduate state.

Please further with reference to figure 5-6, this positioner 50 includes a holder 51, a spacing block 52 and two angles 53.Wherein holder 51 by one movably inserted link 511 be incorporated into the end of tooth-arranging strip 40, its bottom is by this spacing block 52 of a bolting, the characteristic with terminal convergent of this spacing block 52, its both sides respectively the end by pushing away pin 53 from holder 51 back sides extended two, each pushes away pin 53 terminal evaginations card prominent 531, on the other hand, body 10 chutes 14 inboard correspondences push away prominent 531 positions of card of pin 53, being equally spaced with parallel toothrow 40 directions, several are and are arranged with or wavy locating slot 142, when being installed on chute 14 for tooth-arranging strip 40, fix mobile via the card that pushes away pin 53 prominent 531 along locating slot 142, can stop when mobile at tooth-arranging strip 40, the effect of assist location braking is provided.

The utility model uses when implementing, position as desire adjustment activity jaw 20, as Fig. 1, shown in 5, promoting holder 51 makes in its inserted link 511 retraction tooth-arranging strips 40, allow the width of spacing block 52 less than two width that push away between the pin 53, therefore can't provide urgent tension force, two push away pin 53 can reply to contract and lean on, and does not push against locating slot 142, and be relaxed state this moment, can conveniently promote tooth-arranging strip 40 slides in chute 16, drive wheels 30 with engaged transmission, allow drive the denture 21 that wheels 30 rotate the jaw of driving activity simultaneously 20, make shown in the movable jaw 20 (as Fig. 6-7) to slide backward, with fixedly sting piece 13 and produce a distance, when adjust this apart from the holder crop after, promote holder 51 (as shown in Figure 6) and be the situation of retreating, allow the width of spacing block 52 push away between the pin 53 greater than two, can push away pin 53 to two and produce the state of opening of compeling, make the prominent 531 blocking locating slots of the card that pushes away pin 53 142 location, can carry out the clamping of the monkey wrench application of force, it is quite rapidly convenient to use operation to go up.

Claims

1. monkey wrench is characterized in that:

One is installed in the positioner of tooth-arranging strip end.

2. monkey wrench as claimed in claim 1, it is characterized in that: positioner includes:

One is incorporated into the holder of tooth-arranging strip end;

One is installed in the spacing block of holder bottom; With

Two are extended the pin that pushes away seize spacing block on both sides by the arms from the holder back side, and each pushes away the terminal evagination of pin has card to dash forward;

Wherein, the inboard correspondence of body chute pushes away the prominent position of card of pin, and several locating slots are equally spaced.

3. monkey wrench as claimed in claim 1 or 2 is characterized in that: the chute section is inverted T-shaped;

The inverted T-shaped that is shaped as corresponding chute of tooth-arranging strip.

4. monkey wrench as claimed in claim 3 is characterized in that: holder is incorporated into the tooth-arranging strip end in a movable manner with an inserted link; And

This spacing block is the block that outside convergent subtracts.

5. monkey wrench as claimed in claim 4 is characterized in that; The end of lever is provided with a sleeve part, is pivoted with the piece of pulling of a cross section quadrangularly on this sleeve part.