CN100560299C

CN100560299C - Monkey wrench

Info

Publication number: CN100560299C
Application number: CNB2007101881374A
Authority: CN
Inventors: 吴传福
Original assignee: Proxene Tools Co Ltd
Current assignee: Proxene Tools Co Ltd
Priority date: 2007-11-12
Filing date: 2007-11-12
Publication date: 2009-11-18
Anticipated expiration: 2027-11-12
Also published as: CN101148039A

Abstract

The invention provides a kind of monkey wrench, mainly comprise a body and a movable jaw, the head of this body is offered the storage tank that can insert for the joggle piece of two tooth pieces, make this two teeth piece can be in storage tank with towards near or move away from the direction of movable jaw, the root edge both sides of this movable jaw guidance part then are provided with two toothrow portions, when making joggle piece in storage tank, can utilize the set flank of tooth of two tooth pieces to be meshing with each other, to separate, adjust the folder mouth size of monkey wrench by this with the tooth portion of corresponding cooperation.

Description

Monkey wrench

Technical field

The present invention relates to a kind of monkey wrench field that can adjust folder mouthful spacing easily.

Background technology

Known to me, general manufacturing machine is in the architectural engineering in the middle of the employed instrument, wherein turn the hand-held tool of screw tightening, the most convenient with the monkey wrench that can adjust folder mouthful size, yet the folder mouth size adjusting of general activity spanner, must rotate the worm screw that is arranged near head, could drive movable jaw moves, and adjust its folder mouthful size at leisure, clearly efficient is not good, and the space is arranged between this worm screw and the tooth portion, movable jaw is produced to be rocked, and then change the sizes of two folders mouthful, and one has the shortcoming of can't be easily using continuously once more, and two have easily again and get loose, skid off the danger of screw tightening (Fasteners).

For overcoming this problem, shown in United States Patent (USP) case US1523093 number, be to establish a containing hole in the wrench head in this case, can insert for two tooth pieces, the flank of tooth of two tooth pieces is one staggered, and can make wherein that a tooth piece meshes the movable jaw tooth bar, another tooth piece then is disengaged position, and when stirring operating portion, two tooth pieces are separated with tooth bar, can adjust the size of movable jaw and fixed jaw.Because be root edge at the round bar of movable jaw, if single tooth bar, therefore only can be used in the tooth pitch adjustment of single size (metric unit or English unit), this is in public affairs, country (as the U.S.) made in Great Britain and deposit, to cause the user must buy metric unit (Metric) simultaneously, reach each one of English unit (SAE), not only cause waste, and general user, also being hard to tell this screw tightening is metric unit (Metric) or English unit (SAE), easy obscuring because of the user, cause operational mistake (as two folder mouthful sizes after the spanner engagement, with screw tightening opposite side size, have bigger gap), and make the impaired or generation slippage fortuitous event in screw tightening spiral shell angle; And the root edge of this movable jaw round bar is only established single tooth bar, and its face width of tooth is originally just narrow, to hold two tooth pieces simultaneously, and wherein the face width of tooth of tooth engagement has only half, and the danger of bursting apart will be arranged.

In view of this, provide a kind of spanner that addresses the above problem, the invention provides innovative monkey wrench described in hereinafter detailed description.

Summary of the invention

One, main purpose of the present invention is to utilize movable jaw guidance part root edge to be provided with two toothrow portions, this two toothrows portion can be the tooth pitch (Pitch) of different spacing, one is metric unit tooth portion, another is a tooth portion of English unit, so cooperate corresponding joggle piece, this monkey wrench can be made, metric unit screw tightening (Fasteners) and English unit's screw tightening can be applied to simultaneously.

Two, another main purpose of the present invention, be to utilize movable jaw guidance part root edge to be provided with two toothrow portions, this two toothrows portion can be the tooth pitch of uniform distances, and (the tooth peak of a certain toothrow portion separately, is crisscross arranged, corresponding at the bottom of the tooth of adjacent another toothrow portion), so cooperate corresponding joggle piece, the gap minimizing that the fixed jaw that both can make this monkey wrench produces during with movable jaw clamping screw tightening, can fit tightly this screw tightening again, effectively reduce the impaired situation of screw tightening.

For reaching above-mentioned purpose, the present invention utilizes a body and a movable jaw, and this body has a shank and a head, and this head is extended with a fixed jaw, and is provided with the containing hole that a chute and is communicated with chute, and this containing hole can be inserted for two tooth pieces of a joggle piece; Movable jaw one end has guidance part in addition, the root edge both sides of this guidance part have two toothrow portions, and movable jaw is located in the chute with guidance part, and movable jaw can be moved along this chute, this two toothrows portion is the tooth pitch that can be set as two different spacings, or the tooth pitch of two identical spacings and at interval, be crisscross arranged; And two tooth piece end faces of joggle piece are formed with each corresponding flank of tooth of one and two tooth portions, make joggle piece be meshing with each other with the tooth portion of movable jaw or to separate, and so can make the folder mouth size adjusting between movable jaw and the fixed jaw more accurate.

Description of drawings

Fig. 1 is an exploded view of the present invention;

Fig. 2 is that one row of tooth portion of movable jaw is English unit's tooth pitch, and another row is the schematic diagram of metric unit tooth pitch;

Fig. 3 is the tooth portion shape schematic diagram of movable jaw guidance part;

Fig. 4 is a combination schematic appearance of the present invention;

Fig. 5 is that movable jaw of the present invention can be in the chute schematic diagram that horizontally slips;

Fig. 6 is the view that the present invention down pushes against operating portion;

Fig. 7 is that movable jaw of the present invention is the stationary state schematic diagram;

Fig. 8 is the schematic diagram that joggle piece of the present invention is replaced by elastic component;

Fig. 9 is that the pushing and pressing movable jaw makes the schematic diagram that condenses and move toward in;

Figure 10 is the state diagram that the pushing and pressing movable jaw makes left tooth piece and the engagement of left bank tooth portion;

Figure 11 is the state diagram that the pushing and pressing movable jaw meshes right tooth piece and right toothrow portion.

Description of symbols among the figure:

1-----body 10----shank

11----head 12----fixed jaw

13----hole 14----chute

15----containing hole 16----fixed jaw portion

20----movable jaw 21----guidance part

The movable jaw 23----of portion of 22----groove

24----tooth portion 25----pushing and pressing part

30----joggle piece 31----tooth piece

32----flank of tooth 33----elliptical aperture

34----bottom outlet 35----elastic component

40----shifting part 41----operating portion

411---circular hole 412---flange

42----connector 50----pin

The specific embodiment

The relevant a kind of monkey wrench of the present invention, relevant the present invention for reach above-mentioned purpose, feature is adopted technological means and effect thereof, please elder generation referring to figs. 1 through shown in Figure 4, with the following narration of its correspondence:

The present invention mainly comprises a body 1 and a movable jaw 20, wherein this body 1 has a shank 10 and a head 11, this head 11 is extended with a fixed jaw 12, these fixed jaw 12 1 sides also are formed with a fixed jaw portion 16, head 11 vertically then is provided with a chute 14, head 11 laterally is provided with the microscler containing hole 15 that is connected with chute 14 along thickness, and this chute then provides a hole 13 away from head 11 surfaces of fixed jaw 12 ends, can plug for a pin 50;

One movable jaw 20, have a guidance part 21 and a movable jaw portion 22, this guidance part 21 is corresponding chute 14 forms designs and can be located in the chute 14, making movable jaw 20 can see through guidance part 21 moves along chute 14, movable jaw portion 22 then forms a folder portion space with fixed jaw, for the clamping screw tightening, the junction of guidance part 21 and movable jaw portion 22 in addition, form a groove 23, when can making movable jaw 20 towards outer displacement, this groove 23 can lean with pin 50, and prevent that movable jaw from dropping, and the both sides of these guidance part 21 root edges are provided with a left side, two right toothrow portions 24, the tooth pitch of this two toothrows portion 24 can present different tooth pitch (can be respectively metric unit tooth pitch and English unit's tooth pitch) as shown in Figure 2, in addition the shape of this two toothrows portion 24, also can be as shown in Figure 3, can generally be a concave arc shape, one inclined plane shape or a convex arc shaped so can make the area of tooth portion 24 increase, and enlarge the contact area with following joggle piece 30;

One joggle piece 30, has a left side, two right tooth pieces 31, the microscler block of these tooth piece 31 corresponding containing holes 15, with can towards near or be arranged on the containing hole 15 of head 11 away from these movable jaw 20 direction move modes, this two teeth piece 31 is provided with the flank of tooth 32 near movable jaw 20 ends, then being provided with bottom outlet 34 away from the both sides of movable jaw bottom is installed with for an elastic component 35, and by elastic component 35 bottoms and containing hole 15 bottom surfaces against and the tooth portion 24 of the flank of tooth 32 that must force tooth piece 31 and movable jaw 20 is meshing with each other, therefore the geomery of this flank of tooth 32 is corresponding with the tooth portion of movable jaw 20, in addition, two tooth pieces 31 then provide an elliptical aperture 33 that is vertical configuration along thickness direction, the usefulness of wearing knot for shifting part;

One shifting part 40, have two operating portions 41 and a connection piece 42, this two operating portion 41 is both sides of being located at head 11 containing holes 15, and this operating portion 41 is provided with a circular hole 411, and utilize connector 42 to connect the elliptical aperture 33 that wears circular hole 411 and tooth piece 31, make connector 42 be connected in operating portion 41 and joggle piece 30, allow shifting part 40 can control joggle piece 30 near or away from the tooth portion 24 of movable jaw 20, wherein these operating portion 41 exterior bottom form a flange 412, make things convenient for the application of force to stir for the user.

Usage operation of the present invention sees also Fig. 5, shown in Figure 6, owing to be arranged at the joggle piece 30 in the containing hole 15, be the flank of tooth 32 and tooth portion 24 to be meshing with each other by elastic component 35 pushing and pressing, when the operating portion 41 that will be located at head 11 this moment promotes toward flange 412 directions, can make the tooth portion of joggle piece 30 by connector 42 away from movable jaw, so can make two toothrow portions 24 of guidance part 21 separate with the flank of tooth 32 of joggle piece 30, guidance part 21 is horizontally slipped in chute 14, and can adjust the grasp opening size of movable jaw 20 and fixed jaw 12; In addition, as Fig. 7, shown in Figure 8, when relieving operating portion 41, and the guidance part 21 of pushing and pressing movable jaw, when the direction of fixed jaw 12 moves, the flank of tooth because of two toothrow portions 24, with the flank of tooth 32 of corresponding joggle piece 30, indentations all, so joggle piece 30 can be subjected to guidance part 21 pushing and pressing vertical stress component and downwards, and temporarily be disengaged position with the flank of tooth of two toothrow portions 24, cause the guidance part 21 of movable jaw to move towards the direction of fixed jaw 12; And when stopping to push against the guidance part 21 of movable jaw, then the tooth piece of joggle piece 30 is subjected to the pushing and pressing of elastic component, and wherein the flank of tooth 32 of a tooth piece 31 can mesh mutually with a tooth portion 24 of corresponding movable jaw 20 automatically fully, can fix this movable jaw 20;

See also shown in Figure 9 in addition, if when desiring the clamping screw tightening, only need push against an end face of the guidance part 21 of movable jaw 20, also can be provided with a pushing and pressing part 25 in the appropriate location of movable jaw 20, pushing and pressing part 25 can be concave arc shape (as Fig. 9), or the geometric figure of traditional activity jaw (as Fig. 1), or Skidproof structure arranged, to increase the frictional force of user's pushing and pressing, because of the flute profile of two toothrow portions 24 of movable jaw and the flank of tooth 32 of tooth piece 31 are all a sawtooth pattern shape, so can force movable jaw 20 only can condense in fixed jaw 12 directions moves, when moving when condensing in the pushing and pressing movable jaw 20, promptly as shown in figure 10, the left bank tooth portion 24 of movable jaw 20 (being English unit's tooth pitch), then intermesh automatically with the flank of tooth 32 (for English unit's tooth pitch) of left tooth piece 31, this moment, the right toothrow portion 24 (for the metric unit tooth pitch) of movable jaw 20 then was separated with the flank of tooth 32 (for the metric unit tooth pitch) of right tooth piece 31, in pushing against movable jaw 20 once more, condense when moving a slight distance, then as shown in figure 11, the right toothrow portion 24 of movable jaw 20 (for the metric unit tooth pitch) then intermeshes automatically with the flank of tooth 32 (for the metric unit tooth pitch) of right tooth piece 31, and the left bank tooth portion 24 of movable jaw 20 (being English unit's tooth pitch) then is separated with the flank of tooth 32 of left tooth piece 31 (for English unit's tooth pitch); Utilize this structure, this monkey wrench is suitable for simultaneously to be pulled in the screw tightening of English unit's screw tightening and metric unit, allow the user not need to note that screw tightening is made in Great Britain or metric unit,, make its displacement, get final product near opposite side face to screw tightening as long as inwardly push against movable jaw 20;

Also the left and right sides toothrow portion 24 of movable jaw 20 can be made as the tooth pitch (metric unit mm or the in of English unit) of uniform distances in addition, left and right sides toothrow portion 24 is at interval, be crisscross arranged and form, for example if two tooth pieces are all metric unit, and during identical again tooth pitch, each tooth pitch is made as 1mm, as left and right sides toothrow portion 24 spaces, be crisscross arranged, when moving when condensing in the pushing and pressing movable jaw 20, then can form left tooth piece 31 is meshed with left tooth portion 24, this moment, right tooth piece 31 then was separated with right toothrow portion 24, when continuing pushing and pressing again, then can form left tooth piece 31 is separated with left bank tooth portion 24, this moment, right tooth piece 31 then was meshed with right toothrow portion 24, and can make left and right sides toothrow portion 24 as one-tenth is the action of an engagement-separation-engagement-separation in turn, each distance that can make condenses in the movable jaw moves, be reduced into 0.5mm, the spacing that produces in the time of so can making movable jaw 20 with fixed jaw 12 clamping screw tightenings reduces, and more can fit tightly screw tightening, effectively reduces the impaired situation in screw tightening spiral shell angle.

Comprehensively above-mentioned, the present invention can reach following characteristics:

One, the present invention utilizes movable jaw guidance part root edge to be provided with two toothrow sections, and this two toothrows section can be The tooth pitch of different spacing, a row is metric unit tooth section, another row is tooth section of English unit, so Cooperate corresponding joggle piece, this monkey wrench is used simultaneously pulled in the metric unit spiral shell admittedly Part and English unit's screw tightening.

Two, the present invention utilizes movable jaw guidance part root edge to be provided with two toothrow sections, and this two toothrows section can be The tooth pitch of uniform distances, and separately, be crisscross arranged, so cooperate corresponding joggle piece, both The spacing that produces in the time of can making the fixed jaw of this monkey wrench and movable jaw clamping screw tightening reduces, again Can fit tightly screw tightening, effectively reduce the impaired situation in screw tightening spiral shell angle.

Three, two set toothrow sections of movable jaw guidance part root edge both sides of the present invention, this tooth section shape can Generally be a concave arc shape, an inclined plane shape or a convex arc shaped, and the flank of tooth of this joggle piece tooth piece is arranged to also Corresponding shape so can make the contact area of tooth section and the flank of tooth increase, and enlarges the scope of engagement, Can effectively prevent the tooth section of movable jaw, or the flank of tooth of the joggle piece situation of bursting apart.

Claims

1, a kind of monkey wrench mainly comprises:

One body has a shank and a head, and this head is extended with a fixed jaw, and head is provided with the containing hole that a chute and is communicated with chute;

One movable jaw, an end has guidance part, and this guidance part root edge has two toothrow portions, and movable jaw is located in the chute with this guidance part, and it can be moved along this chute;

One joggle piece, have two tooth pieces, with can towards near or be arranged on the containing hole of head away from two toothrow portion direction move modes of this movable jaw, this two teeth piece is equipped with the flank of tooth near the two toothrow portions end of movable jaw, holds then to be installed with away from two toothrow portions of movable jaw to make the automatic intermeshing elastic component of the flank of tooth and movable jaw tooth portion;

One shifting part has an a connection piece and an operating portion at least, and this connector is used for attended operation portion and joggle piece, and this operating position is in containing hole one side, make shifting part can control joggle piece near or away from the tooth portion of movable jaw; It is characterized in that,

Described two toothrow portions are that the tooth pitch by two different spacings or two identical spacings and interleaved setting is formed.

2, monkey wrench according to claim 1 is characterized in that, two toothrow portions of described movable jaw are arranged at guidance part root edge both sides.

3, monkey wrench according to claim 2 is characterized in that, the tooth portion of described guidance part root edge both sides is generally to be an inclined plane shape.

4, monkey wrench according to claim 1 is characterized in that, described two toothrow portions, and wherein a tooth portion is metric unit tooth portion, another tooth portion is tooth portion of English unit.

5, monkey wrench according to claim 1 is characterized in that, the flank of tooth of described joggle piece tooth piece is that the shape with movable jaw two toothrow portions is corresponding.

6, monkey wrench according to claim 1 is characterized in that, described joggle piece tooth piece is provided with the elliptical aperture that wears for connector.

7, monkey wrench according to claim 1 is characterized in that, described shifting part has a connection piece and two operating portions, and this two operating position is in the both sides of containing hole.

8, a kind of movable jaw of monkey wrench mainly includes a movable jaw portion and a guidance part, and wherein this guidance part is the bottom that is arranged at movable jaw portion, and this guidance part root edge has two toothrow portions; It is characterized in that,

9, the movable jaw of monkey wrench according to claim 8 is characterized in that, described two toothrow portions are arranged at guidance part root edge both sides.

10, the movable jaw of monkey wrench according to claim 9 is characterized in that, the tooth portion of described guidance part root edge both sides is generally to be an inclined plane shape.

11, the movable jaw of monkey wrench according to claim 8 is characterized in that, described two toothrow portions, and wherein a tooth portion is a metric unit tooth portion, another tooth portion is a tooth portion of English unit.

12, the movable jaw of monkey wrench according to claim 8 is characterized in that, the back side of the movable jaw portion of described movable jaw is provided with a pushing and pressing part.