CN201483417U

CN201483417U - Ratchet spanner direction control structure

Info

Publication number: CN201483417U
Application number: CN2009201567790U
Authority: CN
Inventors: 林依婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-16
Filing date: 2009-06-16
Publication date: 2010-05-26
Anticipated expiration: 2019-06-16

Abstract

The utility model discloses a ratchet spanner direction control structure, which comprises a body. The body comprises a head area and a body containing area, wherein the head area is provided with an accommodating part, an interval part and a limit part; the body containing area is provided with a sunk area; the limit part is provided with screw holes; and an axle hole and a positioning hole are reserved at proper positions of the sunk area respectively, so that a driver and a brake can be arranged between the head area and a cover body; a hollow limit body and a controller can be sleeved on the body containing area of the body in sequence; both ends of transmission parts which is positioned between the sunk area of the body containing part and the cover body can be arranged in a pulling part of the controller and a slot of the brake respectively and exactly; and a resisting part which is arranged on the transmission parts can be limited by an elastic recovery-shaped resisting piece. The ratchet spanner direction control structure drives the transmission parts to perform horizontal seesaw motion through circular rotary motion of the controller, and ensures that the elastic piece of the transmission parts can really change position of the brake to achieve effective switch control.

Description

Ratchet spanner direction control structure

Technical field

The utility model relates to a kind of ratchet spanner, particularly a kind of ratchet spanner direction control structure.

Background technology

Ratchet spanner construction commonly used, see also applicant elder generation forward direction TaiWan, China and file an application and announce No. 492379 " ratchet spanner construction " checking and approving, it mainly includes body, driving body, stopper body, transmission body and control volume, this body can be divided into head and shank part, then be respectively equipped with the holding part and first interval on the appropriate location of this head, and this holding part can be connected with first interval, places respectively in the holding part and first interval for driving body and stopper body; The appropriate location of this shank part is respectively equipped with slot part, interconnecting part and depressed part, and the both sides of this slot part can be connected with first interval and interconnecting part, and this interconnecting part can be connected again with depressed part, and make the appropriate location of this interconnecting part be provided with axial region, to cause transmission body can place in slot part, interconnecting part and the depressed part of shank part, and the axial region of transmission body can be mounted on the axial region of shank part, and the clicking section of transmission body be able to be positioned on the projection shape drive division of stopper body top end face; This control volume is hollow form, and can be placed on the shank part of body, and be provided with limiting section in the control volume inner edge, so that the rear end of transmission body be able to place in the limiting section, rotatablely move and drive transmission body and be horizontal seesaw movement mode and be circumference by control volume, can make the clicking section of transmission body can move the position that changes the stopper body really, to reach effective switching controls.

Originally set purpose though such scheme can be reached, and praised by industry and general operation person, in view of industry is maked rapid progress to the research and development of technology, not surplus something lost power, so the applicant makes great efforts the research improvement again, and it is attained in perfect practical; And recently, going through the practical operation use suggestion of upgrading experiment test many times and concluding the consumer, finding still to have following point to remain further to be improved:

Since the material of general stopper body to be powder metallurgy made, and the tooth portion that the arcuation of stopper body front end face is arranged must be engaged in the tooth portion of driving body outer peripheral edges, add, the drive division of stopper body top end face is the small diameter cylinders of the shape that raises up, thereby, must be and move horizontally to pull the stopper body in certain strength lower foot, and easily make between transmission body and stopper body the shearing strength that produces relativity, and then easily make the drive division of stopper body top end face be subjected to shearing action and be fractured into the big puzzlement of one.

2. because transmission body is that a thin plate iron material is made, and therefore, regular meeting is non-for horizontal fully because of the thin plate iron material, and causes the tolerance of its clicking section that manufactures excessive, can't stirs the stopper body really and move and be its puzzlement again and easily cause.

3. hold as described in the 2nd, owing to be formed with a stop section that protrudes out downwards between two clicking sections of transmission body, diminish relatively with the size that causes clicking section and stop section, especially, the compressing stop section that the stopper body moves around and then move around the bending after, also can cause the stop section to be fractured into its another puzzlement.

4. because transmission body is that the thin plate iron material is made, and the clicking section of transmission body is placed on the drive division of stopper body top end face projection shape, thereby, cause the stopper body to be slightly convertible easily to move (is stopper body top end face than the translational speed of its bottom face for fast, and it is inconsistent), add, under the rigidity deficiency of transmission body, cause the stopper body can't move to desired location really to be its another big puzzlement easilier.

5. owing to the rotation of the controlled body of transmission body is moved, add, transmission body or control volume do not have under the motionless design in location, and the direction that causes control volume Shao Shou Touch to hit will to change transmission body is its another big puzzlement again.

So, how to develop a kind of the rotation and reach direction and switch the effect of practical operation control really with one hand, by the consumer consistently look forward to, the dealer is badly in need of urgently researching and developing improved one big problem especially.

The utility model content

For overcoming above-mentioned defective, the utility model purpose is to provide a kind of ratchet spanner direction control structure.

For achieving the above object, the utility model ratchet spanner direction control structure, it comprises: driving body, outer peripheral edges are provided with tooth portion, and this driving body outward side form polygonal drive division, and be provided with radial hole in drive division and place in the radial hole for ball; Stopper body, front end face are provided with tooth portion, and this tooth portion is engaged in the tooth portion of driving body; Control volume is placed on the handle body zone of body, and ccontaining for the driving member end of transmission group in its pulling part of locating to be formed with recess to the inside; Lid is provided with open-work at least on it, lid is mounted on the head region and handle body zone of body, and driving body one end passes open-work and convexedly stretches in outside it; Body, be divided into head region and handle body zone, be formed with in the head region on holding part, interval portion and the handle body zone thereof and be formed with the depressed area, and be respectively equipped with axis hole and locating hole in the depressed area, driving body, stopper body are mounted between the holding part of head region, interval portion and the lid, and control volume is sheathed on the handle body zone of body; Group is provided with transmission group between the depressed area in described handle body zone and the lid, and this transmission group be mounted on by the elastic component of elastic shape in the profile groove of driving member form, transmission group two ends difference interlock is in the pulling part and stopper body one side of control volume, and towards being arranged with the butting section, being arranged at blocking element that butting section on the transmission group had an elastic recovery shape, to replace institute spacing in the end of the driving member of transmission group.

Above-mentioned structure, elastic component by elastic shape is mounted on formed transmission group two ends in the profile groove of positive drive part and places in the pulling part of control volume respectively and in the short slot of stopper body, and towards being arranged with the butting section, be resisted against on the butting section to cause blocking element with elastic recovery shape in the end of the positive drive part of transmission group; Like this, it not only has the stopper of preventing body and causes shearing and damage out of use phenomenon because of moving, and can make transmission group drive the stopper body really to be moved horizontally to outside the precalculated position, simultaneously, also can provide the position of control volume after rotation not hit by light easily Touch and just change its direction, so reach direction location and singlehanded certain controlling party of rotating to switching handlingly be its progressive effect.

Description of drawings

Fig. 1 is a perspective exploded view of the present utility model.

Fig. 2 is the part combination profile status figure of Fig. 1.

Fig. 3 is the part combination profile status figure behind the switching direction of Fig. 2.

Fig. 4 is another local combination profile status figure of Fig. 3.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

The utility model is relevant for a kind of ratchet spanner direction control structure, see also Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, it includes body 1, can be divided into head region 10 and handle body zone 11, wherein, appropriate location in the head region 10 is formed with holding part 101, interval portion 102 and limiting section 103 respectively, and limiting section 103 is positioned at the side of holding part 101, and be formed with an interval portion 102 that is communicated with holding part 101 in 103 of two limiting sections, it is movable to place respectively in holding part 101 and the interval portion 102 for driving body 2 and stopper body 3; This limiting section 103 can extend to the appropriate location (or being arranged at respectively in head region 10 or the handle body zone 11) in handle body zone 11 from head region 10, and be provided with screw 104 in limiting section 103 top end faces, to utilize bolt 8 to pass locating hole 70 back of lid 7 lid established for 7 groups and to be fixed on the body 1, and driving body 2, stopper body 3 and transmission group 4 are mounted between lid 7 and the body 1; In addition, handle body zone 11, can can be sheathed in regular turn on the handle body zone 11 of body 1 for hollow form limit body 5 and control volume 6, and make in the depressed area 112 in handle body zone 11 and transmission group 4 two ends between the lid 7 be able to place the pulling part 60 of control volume 6 respectively and in the short slot 33 of stopper body 3, moreover, 112 appropriate location is formed with a convex spacer block 113 and the spacing hole 115 with axis hole 114 in the depressed area, can be placed in rotation in the axis hole 114 with the axial region 402 that causes transmission group 4, and can make on the butting section 403 that the spring 16 that has been placed in the spacing hole 115 and blocking element 15 be able to be resisted against transmission group 4, and reach the usefulness that makes the location of transmission group 4 after rotation; And above-mentioned blocking element 15 can be the body of rod .. of ball, round nose etc. for best;

These driving body 2 outer peripheral edges are provided with tooth portion 20, can be meshed with it with the tooth portion 30 that causes stopper body 3; And this driving body 2 outward side form polygonal drive division 21, and on drive division 21, be respectively equipped with radial hole 210 and axial hole 211, and make radial hole 210 and axial hole 211 be connected state, can be placed in the axial hole 211 interior balls 22 that reach for push rod 25, spring 26 can place in the radial hole 210, and the change in location of the groove by being arranged at push rod 25 after moving decides ball 22 whether can convexedly stretch in side outside the drive division 21, with as the sleeve (not shown) whether and 21 of drive divisions be the locking shape; And above-mentioned axial hole 211 can be through driving body 2 or be the design that does not penetrate in driving body 2;

The arc shape front end face of this stopper body 3 is provided with tooth portion 30, and forms the

butting section

31,32 of arc shape in its both sides, and in locating to be provided with vertical short slot 33 in the middle of the end face thereafter, can place in the short slot 33 with elastic component 41 1 ends that cause transmission group 4; And above-mentioned stopper body 3 can be replaced by the washer (promptly being commonly called as left and right sides washer) that two independent shapes and an end are provided with tooth portion 30;

The elastic component 41 that transmission group 4 can be divided into positive drive part 40 and have an elastic-restoring force is formed, wherein, the leading edge of this positive drive part 40 is concaved with the profile groove 401 of side U shape, and in the past axial region 402 that has convex shape of its appropriate location, and in the butting section 403 that its end formation is provided with down, breach 410 for elastic component 41 1 ends can be mounted on the profile groove 401, and be subjected to the protruding pin 411 of breach 410 sides to be resisted against the effect of profile groove 401, and cause elastic component 41 can be not directly and 40 of driving members form and break away from the phenomenon that drops; Again, appropriate location then is provided with the gag lever post 405 that upwards protrudes out between this axial region 402 and the butting section 403, to cause gag lever post 405 to can be used as outside the usefulness that lid 7 one ends replace, simultaneously, also can be used as gag lever post 405 and be subjected to the seesaw movement up and down of front and back end to force the end face of gag lever post 405 can be resisted against on the top inner face 50 of hollow form limit body 5, and as the front and back end of restriction transmission group 4 usefulness of rocking of distance up and down;

Limit body 5 is hollow form, and it is provided with plane top inner face 50, so that it can be placed on the handle body zone 11 of body 1, and can make top inner face 50 put the usefulness of the gag lever post 405 of lid 7 one ends and transmission group 4 as pressure; Again, limit body 5 is provided with the outward flange 51 of the semi-open shape that stretches out, and it be can be used as for the sheathed usefulness of control volume 6;

Control volume 6 can be placed on the limit body 5, and locates to be formed with the pulling part 60 of recess to the inside in it, for the driving member 41 terminal ccontaining usefulness of transmission group 4;

Lid 7 which is provided with locating hole 70 and open-work 71, to supply the ccontaining usefulness of bolt 8 and driving body 2 respectively;

When one hand is held glue and is rotated control volume 6 to 9, then can be the positive drive part 40 that eccentric rotary drives the transmission group 4 that is positioned at recess pulling part 60 because of the pulling part 60 that is positioned at control volume 6 is that the center moves horizontally with its axial region 402, and can drive the elastic component 41 that has been mounted in the positive drive part 40 front end profile grooves 401 and be mobile in the other direction, and can be inserted into because of an end of elastic component 41 in the short slot 33 of

stopper body

3, and 30 in the tooth portion of stopper body 3 is engaged in the tooth portion 20 of driving body 2, therefore, when the off-centre of the pulling part 60 of driving member 40 controlled bodies 6 and when mobile, then can guarantee this end of the butting section 403 of driving member 40 because of the rigidity material effect of driving member 40 can move down, and can force butting section 403 root edges to oppress blocking element 15 earlier and be contraction-like toward the spring 16 that lower compression have been positioned at spacing hole 115, until the root edge of butting section 403 across after crossing blocking element 15, then can be subjected to spring 16 bounce effects and blocking element 15 up be promoted (as shown in Figure 4) till the in addition side of compressing butting section 403, so, can provide the position of control volume 6 after rotation not to be subjected to Qing Yi Touch to hit the positioning action characteristic that just changes its directionality;

Simultaneously, the opposite direction that the other end of driving member 40 then is identical strength moves, and the elastic component 41 that the powerful interlock of meeting has been mounted on the profile groove 401 and then moves, and cause elastic component 41 to force stopper body 3 to begin to move again toward the top because of being subjected to the powerful strength bending of pulling, in other words, can force the tooth top of the tooth portion 30 of stopper body 3 to move toward its tooth top along the tooth root of the tooth portion 20 of driving body 2, and make stopper body 3 can step back backward and be more case of bending slightly, be subjected to pulling of elastic component 41 and by certain precalculated position (as shown in Figure 2) that up moves to until stopper body 3, have the stopper of preventing body 3 and cause shearing and damage out of use phenomenon to reach because of moving, and can make transmission group 4 drive stopper bodies 3 really being moved horizontally to the precalculated position, so reach direction location and singlehanded certain controlling party of rotating to switching handling.

Claims

1. a ratchet spanner direction control is constructed, and comprising:

Driving body, outer peripheral edges are provided with tooth portion, and this driving body outward side form polygonal drive division, and be provided with radial hole in drive division and place in the radial hole for ball;

Stopper body, front end face are provided with tooth portion, and this tooth portion is engaged in the tooth portion of driving body;

Control volume is placed on the handle body zone of body, and ccontaining for the driving member end of transmission group in its pulling part of locating to be formed with recess to the inside;

Lid is provided with open-work at least on it, lid is mounted on the head region and handle body zone of body, and driving body one end passes open-work and convexedly stretches in outside it;

Body, be divided into head region and handle body zone, be formed with in the head region on holding part, interval portion and the handle body zone thereof and be formed with the depressed area, and be respectively equipped with axis hole and locating hole in the depressed area, driving body, stopper body are mounted between the holding part of head region, interval portion and the lid, and control volume is sheathed on the handle body zone of body; It is characterized in that:

Group is provided with transmission group between the depressed area in described handle body zone and the lid, and this transmission group be mounted on by the elastic component of elastic shape in the profile groove of driving member form, transmission group two ends difference interlock is in the pulling part and stopper body one side of control volume, and towards being arranged with the butting section, being arranged at blocking element that butting section on the transmission group had an elastic recovery shape, to replace institute spacing in the end of the driving member of transmission group.

2. ratchet spanner direction control structure according to claim 1, it is characterized in that: described body is provided with limiting section, and this limiting section extends to handle body zone support lid group from head region and establishes head region and the handle body zone of being fixed in body, and driving body, stopper body and transmission group group are established and be folded between lid and the body.

3. ratchet spanner direction control structure according to claim 1, it is characterized in that: described body is provided with limiting section, and this limiting section is arranged in the handle body zone and supports the lid group and establish head region and the handle body zone of being fixed in body, and driving body, stopper body and transmission group group are established and be folded between lid and the body.

4. ratchet spanner direction control structure according to claim 1, it is characterized in that: described body is provided with limiting section, and this limiting section is arranged at the interior lid group that supports of head region and establishes head region and the handle body zone of being fixed in body, and driving body, stopper body and transmission group group are established and be folded between lid and the body.

5. according to claim 2,3 or 4 described ratchet spanner direction control structures, it is characterized in that: the depressed area in the handle body zone of described body is formed with the convex spacer block that spacing hole and has axis hole respectively, be placed on the butting section that spring in the spacing hole and blocking element be resisted against transmission group, this convex spacer block with axis hole is placed in the axis hole with the axial region of transmission group.

6. ratchet spanner direction control structure according to claim 5, it is characterized in that: the limit body that is equipped with a hollow form on the handle body zone of described body, and be provided with plane top inner face in limit body, the top inner face is pressed the gag lever post of putting lid one end or transmission group; It is sheathed with control volume that this limit body is provided with outward extending outward flange.

7. ratchet spanner direction control structure according to claim 5, it is characterized in that: described blocking element is the body of rod of ball or round nose.

8. ratchet spanner direction control structure according to claim 6, it is characterized in that: described lid is provided with locating hole, and this locating hole is provided with respect to the screw on the limiting section of body, the locating hole that bolt wears lid is screwed together in the screw, and the lid group is established head region and the handle body zone of being fixed in body.

9. ratchet spanner direction control structure according to claim 6, it is characterized in that: described transmission group one end interlock is provided with short slot in the place in the middle of stopper body one side is stopper body rear end face, plant with transmission group one end; This stopper body both sides form the butting section of arc shape, and the front end face between two butting sections is formed with tooth portion, and this tooth portion is engaged in the tooth portion of driving body.

10. ratchet spanner direction according to claim 9 control structure, it is characterized in that: described driving body is provided with axial hole, and axial hole is connected state with radial hole, and push rod, spring are placed in and reach ball in the axial hole and place in the radial hole.