CN102145478B - Ratchet spanner - Google Patents
Ratchet spanner Download PDFInfo
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- CN102145478B CN102145478B CN2010101118360A CN201010111836A CN102145478B CN 102145478 B CN102145478 B CN 102145478B CN 2010101118360 A CN2010101118360 A CN 2010101118360A CN 201010111836 A CN201010111836 A CN 201010111836A CN 102145478 B CN102145478 B CN 102145478B
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- reversing switch
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- storage tank
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Abstract
The invention relates to a ratchet spanner for ensuring switching of a control part smoother, which adopts the following technical scheme that a first edge of a control slot is contacted with the outer periphery of a guide part of a reversing switch; and an included angle between a tangent line formed when the first edge is tangential to the guide part and a second reference line of the reversing switch is not more than 45 degrees. Therefore, if a user wants to shift the control part to a second position from a first position, most of the shifting force applied by the user to the control part can be used for pushing the guide part of the reversing switch and ensuring the reversing switch to rotate relative to a pivot slot and cannot cause the problem that the control part and the reversing switch are clamped or are not shifted to rotate smoothly. Therefore, the user can easily shift a shifting part of the control part so that the control slot drives the reversing switch to move.
Description
Technical field
The present invention relates to a kind of spanner, particularly a kind of have automatic location and can supply the ratchet spanner that the user dials easily changes control piece.
Background technology
See also United States Patent (USP) the 7th, 278, No. 339 " Reversible ratchet wrench " patent cases, it is a kind of reversing ratchet wrench.This ratchet spanner utilizes a ring (ring) to drive the change in location that a conversion assembly (switching member) produces both direction; And the conversion assembly front end is provided with and compresses assembly (pressing member) and elastic parts (elastic element) and come flexible promotion pawl (pawl); This pawl can be controlled between two positions move, and be engaged on the runner assembly (drive member).
Can notice that at first this reversing ratchet wrench is to utilize a sliding piece (reversing plate) to be hubbed on the runner assembly and be available for users to operate, and drives the action that encircles and can commutate then.In the formed finger tip of an end (tip piece) of ring, be provided with the groove (slot) of a longitudinal; Conversion assembly then is provided with the projection (protrusion) of a circle in an end; The groove of this longitudinal allows projection to carry out vertically moving of past renaturation within it, and then makes conversion assembly can produce pivoting action.
Switch in the operating process of different directions at sliding piece; Because ring is to utilize the groove of longitudinal to drive the projection of conversion assembly; So two parallel edges of groove and the outer peripheral edges of projection can produce regular friction; Such friction forms the user and is stirring the preceding resistance of described sliding piece, thus the user must adopt sizable thrust stir described sliding piece after, just can reach the effect of switching direction.
But after change action repeatedly; Two parallel edges of groove and the outer peripheral edges of projection can be because produce many iron filings toward the friction back and forth of renaturation; These iron filings are easy to be stuck between the outer peripheral edges of two parallel edges and projection of groove, form the obstruction on the change action.Having some setbacks in this switching can be used usually in the solid influence of the dark root of root, forms the bad evaluation of product.
And more serious also might excessively force in the process of stirring the user; Cause encircling and the distortion or the damage of conversion assembly; Like this then produced the too high or problem that the life-span is too short of product defect; Because foregoing problems reasonably do not overcome, so the applicant proposes present patent application, to solve problem point.
Summary of the invention
The purpose of ratchet spanner of the present invention is to make the switching of control piece more smooth and easy; The technological means that adopts makes first limit of control flume be contacted with the guidance part outer peripheral edges of reversing switch, and the angle between second datum line of tangent formed tangent line of first limit and guidance part and reversing switch is spent for being not more than 45.So; If the user will stir control piece when primary importance moves to the second place; The user imposes on dialling on the control piece changes strength; Exhausted major part will be used for promoting the guidance part of reversing switch and reversing switch is rotated with respect to the pivot groove, control piece and reversing switch is blocked or group problem that commentaries on classics has some setbacks, so the user promptly can stir the clicking section of control piece easily control flume drive reversing switch is moved.
The purpose of ratchet spanner of the present invention is to make the switching of control piece more smooth and easy and can stir easily; The technological means that adopts is to make first limit of control flume be contacted with the guidance part outer peripheral edges of reversing switch, and the angle between second datum line of first limit and the tangent formed tangent line of guidance part and reversing switch be 18 spend spend to 28 between.
The purpose of ratchet spanner of the present invention is to make the switching of control piece more smooth and easy; The technological means that adopts is that the guidance part with reversing switch is made as a round bump shape and a sheathed rotating hollow form and rolls ring and constitute; So can increase shuffle effect, make between control piece and the reversing switch move more smooth and easy.
For reaching above-mentioned purpose, a kind of ratchet spanner of the present invention, it includes:
A body, it has a shank and a head of being located at this shank one end, is provided with one first storage tank in this head; This first storage tank has an axis; And this first storage tank peripheral wall surface is provided with one second storage tank, and this head offers a pivot groove, and this pivot groove is communicated in the side of this second storage tank in contrast to this first storage tank; This pivot groove has an axis; And the parallel axes of the axis of this pivot groove and this first storage tank, this body has first datum line that extends towards this pivot groove direction from this first storage tank, and this first datum line is perpendicular to the axis of this first storage tank and intersect at the axis of this pivot groove; A driving body, this driving body are hubbed in first storage tank of this body, and this driving body can pivot with respect to this body as pivot with the axis of this first storage tank;
A ratchet piece, in movable second storage tank that is slidedly arranged on this body, and this ratchet piece can produce optionally meshing relation with this driving body;
A reversing switch; It has a pivot end that is hubbed at this pivot groove; The axis coaxle of the axis of this pivot end and this pivot groove, and this reversing switch can be that pivot rotates with the axis of this pivot groove, to control the meshing relation between this ratchet piece and this driving body; This reversing switch is formed with an interlock end in contrast to an end of this pivot end; This interlock end is provided with a guidance part, and the axis of this guidance part and the axis of this pivot end maintain the distance of radial direction, and this reversing switch has second datum line that extends towards this guidance part direction from this interlock end; This second datum line is perpendicular to the axis of this pivot end and intersect at the axis of this guidance part, and this second datum line extends towards the end that this body head has first storage tank;
A control piece; It is provided with an articulated section; This articulated section has an axis, the axis coaxle of the axis of this articulated section and this first storage tank, and this control piece can pivot with respect to this body as pivot with the axis of this first storage tank; And this control piece can move between the primary importance and the second place, is positioned at the reversing switch of this pivot groove with control; Wherein:
This control piece is provided with a control flume; This control flume supplies the guidance part of this reversing switch in the relative sliding relationship of interior generation; This control piece has the 3rd datum line that extends towards this control flume direction from this articulated section; The 3rd datum line is perpendicular to the axis of this articulated section and the center through this control flume, and the 3rd datum line extends towards the end that this body head has the pivot groove;
This control flume has one first pushing part and one second pushing part that is positioned at the 3rd datum line both sides, and this first pushing part includes first limit that is away from this articulated section, and this second pushing part includes the 3rd limit that is away from this articulated section;
When this control piece is positioned at primary importance; First limit of this control flume is contacted with the guidance part outer peripheral edges of this reversing switch; And the angle between second datum line of this first limit and the tangent formed tangent line of this guidance part and this reversing switch is not more than 45 degree; To stir this control piece easily, make this control flume drive this reversing switch and move;
When this control piece is positioned at the second place; The 3rd limit of this control flume is contacted with the guidance part outer peripheral edges of this reversing switch; And the angle between second datum line of the 3rd limit and the tangent formed tangent line of this guidance part and this reversing switch is not more than 45 degree; To stir this control piece easily, make this control flume drive this reversing switch and move.
Wherein, the guidance part of this reversing switch rolls ring by a round bump shape and a sheathed rotating hollow form and is constituted, and can increase shuffle effect, makes mobile more smooth and easy between this control piece and this reversing switch.
Description of drawings
Fig. 1 is the stereo appearance figure of first embodiment of ratchet spanner of the present invention;
Fig. 2 is the three-dimensional exploded view of first embodiment of ratchet spanner of the present invention;
Fig. 3 is the profilograph of first embodiment of ratchet spanner of the present invention;
The profile of Fig. 4 for being got along the 4-4 line among Fig. 3 of the present invention;
The profile of Fig. 5 for being got along the 5-5 line among Fig. 3 of the present invention;
Fig. 6 is the partial enlarged drawing of Fig. 5 of the present invention, and the control piece of expression ratchet spanner of the present invention is positioned at the state diagram of primary importance;
Fig. 7 is the continuity action diagram of Fig. 6 of the present invention, the state diagram after the control piece of expression ratchet spanner of the present invention is spent with respect to body rotation 5;
Fig. 8 is the continuity action diagram of Fig. 7 of the present invention, the state diagram after the control piece of expression ratchet spanner of the present invention is spent with respect to body rotation 23;
Fig. 9 is the continuity action diagram of Fig. 8 of the present invention, the state that the expression reversing switch moves automatically;
Figure 10 is the continuity action diagram of Fig. 9 of the present invention, and the expression control piece is automatically positioned on the state of the second place;
Figure 11 is the three-dimensional exploded view of second embodiment of ratchet spanner of the present invention;
Figure 12 is the generalized section of second embodiment of ratchet spanner of the present invention, and the control piece of expression ratchet spanner of the present invention is positioned at the state diagram of primary importance;
Figure 13 is the generalized section of second embodiment of ratchet spanner of the present invention, and the control piece of expression ratchet spanner of the present invention is positioned at the state diagram of the second place.
Description of reference numerals: 10-ratchet spanner; The 20-body; The 21-shank; The 22-head; 23-first storage tank; 24-second storage tank; 25-first retaining wall; The 251-first surface; 26-second retaining wall; The 261-second surface; The 27-axis hole; 28-pivot groove; The 30-driving body; The 31-engaged section; The 32-driving rod; The 321-catching groove; The 33-drive post; The 34-fastener; The 35-steel ball; The 36-depression bar; The 37-spring; 40-ratchet piece; The 41-engaging piece; The 42-depressed part; 43-first clamping face; 44-second clamping face; The 50-reversing switch; The 51-pivot end; 52-pushes up the groove of pulling; 53-pushes up the part of pulling; The 54-elastomer; 55-interlock end; The 551-location division; The 56-block holding part; The 57-guidance part; 58-rolls ring; The 60-control piece; The 601-outer surface; The 602-inner surface; The 61-articulated section; The 62-clicking section; The 63-control flume; 631-first limit; 632-second limit; 633-the 3rd limit; 634-the 4th limit; 64-first pushing part; 65-second pushing part; 66-covers groove; The 67-tank; The 671-joint portion; The 70-keeper; The 71-binding end; The 72-locating slot; The 73-reset portion; The L23-axis; The L28-axis; The L61-axis; C1-first datum line; C2-second datum line; C3-the 3rd datum line; The T-tangent line; θ-angle.
The specific embodiment
Referring to figs. 1 through Fig. 6, be first embodiment of ratchet spanner of the present invention.Ratchet spanner 10 of the present invention includes a body 20, driving body 30, ratchet piece 40, a reversing switch 50 and a control piece 60; Wherein:
First retaining wall 25 of body 20 is offered an axis hole 27 that is communicated in first storage tank 23 in first surface 251; It is coaxial with the axis L23 of first storage tank 23 that axis hole 27 is established the axis of rounded and axis hole 27, and the diameter of said axis hole 27 is less than the diameter of first storage tank 23.And first storage tank 23 of body 20 extends and is connected in second surface 261 and establishes and be open shape towards second retaining wall 26.
First storage tank, 23 peripheral wall surface of body 20 offer second storage tank, 24, the second storage tanks 24 that are falcate and communicate with first storage tank 23, and the axis of second storage tank, 24 peripheral wall surface is parallel with the axis L23 of first storage tank 23.
Driving body 30 is hubbed in first storage tank 23 of body 20, and driving body 30 can pivot with respect to body 20 as pivot with the axis L23 of first storage tank 23.Driving body 30 forms an engaged section 31 between two ends; The outer surface of engaged section 31 is equipped with a plurality of teeth; Driving body 30 convexes with the driving rod 32 of a circle in an end of engaged section 31; The diameter of driving rod 32 is less than the diameter of engaged section 31, and the engaged section 31 of driving body 30 convexes with a square drive post 33 in contrast to an end of driving rod 32.
The engaged section 31 of driving body 30 is placed in first storage tank 23 of body 20, and engaged section 31 is near an end of driving rod 32 first retaining wall 25 towards body 20.The driving rod 32 of driving body 30 is extended through the axis hole 27 of body 20 first retaining walls 25 and is exposed to outside the first surface 251, and driving body 30 is adjacent to driving rod 32 ends and is equipped with a catching groove 321, is the fastener 34 of C word shape in order to one of snapping.The said catching groove 321 that is exposed to the outer driving rod 32 of first surface 251 maintains a spacing with first surface 251.
The drive post 33 of driving body 30 is exposed to outside the second surface 261 of body 20, and drive post 33 can be in order to working substances such as linking sleeves.Driving body 30 is provided with a steel ball 35 in drive post 33, and steel ball 35 can be sheathed on the effect that depression bar 36 outer springs 37 reach locking bushing or releasing sleeve through a depression bar 36 that is arranged in driving body 30 axis and one.
One end of reversing switch 50 is hubbed at the pivot groove 28 of head 22, in order to the meshing relation between control ratchet piece 40 and the driving body 30.Reversing switch 50 has a pivot end 51 that is hubbed at pivot groove 28, and the axis of pivot end 51 is coaxial with the axis L28 of pivot groove 28, and making reversing switch 50 can be that pivot rotates with the axis L28 of pivot groove 28.
The inner surface 602 of control piece 60 is provided with a control flume 63, and the guidance part 57 that control flume 63 supplies reversing switch 50 is in the relative sliding relationship of interior generation.Control piece 60 have one from the articulated section 61 the 3rd datum line C3 that extend towards control flume 63 directions; The 3rd datum line C3 is perpendicular to the axis L61 of articulated section 61 and the center through control flume 63; The 3rd datum line C3 is extended towards the end that body 20 heads 22 have pivot groove 28, and extend substantially the clicking section 62 of control piece 60 along the 3rd datum line C3.Control flume 63 is the profile of tumbler shape substantially, and the 3rd datum line C3 is divided into symmetrical two halves with control flume 63.
Linearly shape is established on first limit 631 of first pushing part 64, and second limit 632 is established curved shape and is connected in the end of first limit 631 near articulated section 61.When control piece 60 is positioned at primary importance; First limit 631 of control flume 63 is contacted with guidance part 57 outer peripheral edges of reversing switch 50; And the angle theta between the second datum line C2 of first limit 631 and guidance part 57 tangent formed tangent line T and reversing switch 50 is for being not more than 45 degree; The clicking section 62 that user like this promptly can stir control piece 60 easily makes control flume 63 drive reversing switches 50 and moves.
Further, the angle theta between the second datum line C2 of first limit 631 of control piece 60 and guidance part 57 tangent formed tangent line T and reversing switch 50 is between 18 degree to 28 degree, is best enforcement state.
Second pushing part 65 includes one and is away from the 3rd limit 633 of articulated section 61, the 4th limit 634 near articulated section 61; The 3rd limit 633 of second pushing part 65 links to each other with the 4th limit 634; And the 3rd limit 633 of second pushing part 65 and the 4th limit 634 can be contacted with guidance part 57 outer peripheral edges of reversing switch 50, like Figure 10.
Linearly shape is established on the 3rd limit 633 of second pushing part 65, and the 4th limit 634 is established curved shape and is connected in the end of the 3rd limit 633 near articulated section 61.When control piece 60 is positioned at the second place; The 3rd limit 633 of control flume 63 is contacted with guidance part 57 outer peripheral edges of reversing switch 50; And the angle theta between the second datum line C2 of the 3rd limit 633 and guidance part 57 tangent formed tangent line T and reversing switch 50 is for being not more than 45 degree; The clicking section 62 that user like this promptly can stir control piece 60 easily makes control flume 63 drive reversing switches 50 and moves.
Further, the angle theta between the second datum line C2 of the 3rd limit 633 of control piece 60 and guidance part 57 tangent formed tangent line T and reversing switch 50 is between 18 degree to 28 degree, is best enforcement state.
The inner surface 602 of control piece 60 also is provided with one and covers groove 66 around the control flume 63, for the interlock end 55 that hides reversing switch.
In present embodiment; The guidance part 57 of reversing switch 50 is that a round bump shape and a sheathed rotating hollow form roll 58 formations of ring; Has the effect of bearing owing to roll ring 58; So when the outer peripheral edges of guidance part 57 are contacted with first pushing part 64 or second pushing part 65 of control flume 63, can increase shuffle effect to each other, make mobile more smooth and easy between control piece 60 and the reversing switch 50; The clicking section 62 that lets the user can stir control piece 60 easily makes control flume 63 drive reversing switch 50 and moves.
With reference to Fig. 6, represent that the control piece 60 of ratchet spanner 10 of the present invention is positioned at the state diagram of primary importance.When control piece 60 is positioned at primary importance; Ratchet piece 40 is because of receiving reversing switch 50 flexible pushing tows; So first clamping face 43 of ratchet piece 40 is contacted with the peripheral wall surface of second storage tank 24; And the engaging piece 41 of ratchet piece 40 is engaged in the engaged section 31 of driving body 30, makes driving body 30 only can produce the effect that rotates counterclockwise with respect to body 20.
Simultaneously; The first benchmark C1 wire clamp angle of the 3rd datum line C3 of control piece 60 and body 20 is 13 degree; First limit 631 of control flume 63 is contacted with guidance part 57 outer peripheral edges of reversing switch 50, and the angle theta between the second datum line C2 of first limit 631 and guidance part 57 tangent formed tangent line T and reversing switch 50 is for being not more than 45 degree.
So; If the user will stir control piece 60 when primary importance moves to the second place; The user imposes on group commentaries on classics strength on the control piece 60, and exhausted major part will be used for promoting the guidance part 57 of reversing switch 50 and reversing switch 50 is rotated with respect to pivot groove 28, control piece 60 and reversing switch 50 is blocked or group problem that commentaries on classics has some setbacks; So the clicking section 62 that the user promptly can stir control piece 60 easily makes control flume 63 drive reversing switch 50 and moves.
With reference to Fig. 7, the control piece 60 of representing ratchet spanner 10 of the present invention rotates the state diagram behind 5 degree with respect to body 20.The first datum line C1 angle of the 3rd datum line C3 of control piece 60 and body 20 is 8 degree at this moment, and the guidance part 57 of reversing switch 50 moves towards second limit 632 relative to slippage with first limit, 631 generations of control flume 63.
By seeing that guidance part 57 has moved to the end of first limit 631 near articulated section 61 among the figure; And the angle theta between the second datum line C2 of first limit 631 and guidance part 57 tangent formed tangent line T and reversing switch 50 is still and is not more than 45 degree, so the user is quite smooth and easy in dialling the process of changeing control piece 60.
With reference to Fig. 8, the control piece 60 of representing ratchet spanner 10 of the present invention rotates the state diagram behind 23 degree with respect to body 20.The first datum line C1 angle of the 3rd datum line C3 of control piece 60 and body 20 is 10 degree at this moment; And second limit 632 of the guidance part 57 of reversing switch 50 and control flume 63 produces relative slippage; Making reversing switch 50 drive ratchet piece 40 moves; Make the peripheral wall surface of second clamping face 44 of ratchet piece 40 near second storage tank 24, that is to say, first clamping face 43 of ratchet piece 40 is away from the peripheral wall surface of second storage tank 24.
With reference to Fig. 9, be the continuity action diagram of Fig. 8 of the present invention, the state that expression reversing switch 50 moves automatically.Because reversing switch 50 elasticity pushing tows are at the depressed part 42 of ratchet piece 40; Part 53 can produce the slippage action in the depressed part 42 of ratchet piece 40 so pull in the top of reversing switch 50; Make reversing switch 50 receive the power of elastomer 54 pushing tows and rotation automatically; Guidance part 57 meetings of reversing switch 50 at this moment move to the 3rd limit 633 of second pushing part 65 from second limit 632 of first pushing part 64 of control flume 63; In scheming, can see that guidance part 57 is positioned at the end of the 3rd limit 633 near articulated section 61, and second clamping face 44 of ratchet piece 40 is not contacted with the peripheral wall surface of second storage tank 24 as yet.
With reference to Figure 10, be the continuity action diagram of Fig. 9 of the present invention, expression control piece 60 is automatically positioned on the state of the second place.Reversing switch 50 is because of the depressed part 42 of elasticity pushing tow at ratchet piece 40; So reversing switch 50 still has the power of automatic rotation; This strength can be with second clamping face 44 contact of ratchet piece 40 peripheral wall surface at second storage tank 24, even so driving body 30 only can be relatively and the effect that clockwise rotates of body 20 generations.
And when reversing switch 50 rotates automatically; Because of guidance part 57 has contacted the 3rd limit 633 at control flume 63; So control piece 60 can and move to the second place by guidance part 57 drives of reversing switch 50, that is to say that control piece 60 promptly is automatically positioned on the second place.The control piece 60 of this moment rotates 26 degree with respect to body 20, and the first datum line C1 angle of the 3rd datum line C3 of control piece 60 and body 20 is 13 degree, and with present embodiment, control piece 60 promptly has the automatic orientation angle of 3 degree.
When the user will be with control piece 60 when the second place moves to primary importance; Its process and function are then as the aspect of earlier figures 6 to Figure 10; It is the difference of drawing left and right sides mirror; Can reach the clicking section 62 of stirring control piece 60 easily equally, make control flume 63 drive the effect that reversing switch 50 moves.And no matter control piece is in the primary importance or the second place, control piece has all had the function of automatic location.
With reference to Figure 11 to Figure 13, be second embodiment of the present invention.Present embodiment is identical with aforementioned first embodiment substantially, and its difference is in and between control piece 60 and reversing switch 50, also is provided with a keeper 70, and keeper 70 can provide control piece 60 better locating effects to reach the function of location automatically.
The interlock end 55 of reversing switch 50 is provided with a location division 551 of extending along pivot end 51 axis directions, and location division 551 is made as in present embodiment and coaxial circular block of reversing switch 50.
62 inner surface 602 is provided with the tank 67 of an arc to control piece 60 with respect to the position of reversing switch 50 location divisions 551 in the clicking section.The axis of tank 67 and articulated section 61 maintains the distance of fixing radial direction, and the two ends of tank 67 are respectively equipped with a joint portion 671.
When control piece 60 was positioned at primary importance, the location division 551 that one in two locating slots 72 just holds reversing switch 50 made control piece 60 can obtain the good location effect that reversing switch 50 is provided.
And when control piece 60 will be when primary importance moves to the second place; Reset portion 73 middle of keeper 70 are through the location division 551 of reversing switch 50; This moment keeper 70 reset portion 73 can application of force pushing tow reversing switches 50 location division 551; And make control piece 60 have the strength of automatic involution original position, and let control piece 60 can be automatically moved to the second place, make control piece 60 reach the function of automatic location.
When control piece 60 was positioned at the second place, the location division 551 that one in two locating slots 72 just holds reversing switch 50 made control piece 60 can obtain the good location effect that reversing switch 50 is provided.
More than explanation is just illustrative for the purpose of the present invention; And nonrestrictive, those of ordinary skills understand, under the situation of spirit that does not break away from claim and limited and scope; Can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (10)
1. ratchet spanner, it includes:
A body, it has a shank and a head of being located at this shank one end, is provided with one first storage tank in this head; This first storage tank has an axis; And this first storage tank peripheral wall surface is provided with one second storage tank, and this head offers a pivot groove, and this pivot groove is communicated in the side of this second storage tank in contrast to this first storage tank; This pivot groove has an axis; And the parallel axes of the axis of this pivot groove and this first storage tank, this body has first datum line that extends towards this pivot groove direction from this first storage tank, and this first datum line is perpendicular to the axis of this first storage tank and intersect at the axis of this pivot groove;
A driving body, this driving body are hubbed in first storage tank of this body, and this driving body can pivot with respect to this body as pivot with the axis of this first storage tank;
A ratchet piece, in movable second storage tank that is slidedly arranged on this body, and this ratchet piece can produce optionally meshing relation with this driving body;
A reversing switch; It has a pivot end that is hubbed at this pivot groove; The axis coaxle of the axis of this pivot end and this pivot groove, and this reversing switch can be that pivot rotates with the axis of this pivot groove, to control the meshing relation between this ratchet piece and this driving body; This reversing switch is formed with an interlock end in contrast to an end of this pivot end; This interlock end is provided with a guidance part, and the axis of this guidance part and the axis of this pivot end maintain the distance of radial direction, and this reversing switch has second datum line that extends towards this guidance part direction from this interlock end; This second datum line is perpendicular to the axis of this pivot end and intersect at the axis of this guidance part, and this second datum line extends towards the end that this body head has first storage tank;
A control piece; It is provided with an articulated section; This articulated section has an axis, the axis coaxle of the axis of this articulated section and this first storage tank, and this control piece can pivot with respect to this body as pivot with the axis of this first storage tank; And this control piece can move between the primary importance and the second place, is positioned at the reversing switch of this pivot groove with control; It is characterized in that:
This control piece is provided with a control flume; This control flume supplies the guidance part of this reversing switch in the relative sliding relationship of interior generation; This control piece has the 3rd datum line that extends towards this control flume direction from this articulated section; The 3rd datum line is perpendicular to the axis of this articulated section and the center through this control flume, and the 3rd datum line extends towards the end that this body head has the pivot groove;
This control flume has one first pushing part and one second pushing part that is positioned at the 3rd datum line both sides, and this first pushing part includes first limit that is away from this articulated section, and this second pushing part includes the 3rd limit that is away from this articulated section;
When this control piece is positioned at primary importance; First limit of this control flume is contacted with the guidance part outer peripheral edges of this reversing switch; And the angle between second datum line of this first limit and the tangent formed tangent line of this guidance part and this reversing switch is not more than 45 degree; To stir this control piece easily, make this control flume drive this reversing switch and move;
When this control piece is positioned at the second place; The 3rd limit of this control flume is contacted with the guidance part outer peripheral edges of this reversing switch; And the angle between second datum line of the 3rd limit and the tangent formed tangent line of this guidance part and this reversing switch is not more than 45 degree; To stir this control piece easily, make this control flume drive this reversing switch and move.
2. ratchet spanner as claimed in claim 1 is characterized in that, the guidance part of this reversing switch rolls ring by a round bump shape and a sheathed rotating hollow form and constituted, and makes mobile more smooth and easy between this control piece and this reversing switch.
3. according to claim 1 or claim 2 ratchet spanner; It is characterized in that; Angle between second datum line of first limit of this control piece and the tangent formed tangent line of this guidance part and this reversing switch is between 18 degree to 28 degree, and the angle between second datum line of the 3rd limit of this control piece and the tangent formed tangent line of this guidance part and this reversing switch is between 18 degree to 28 degree.
4. according to claim 1 or claim 2 ratchet spanner; It is characterized in that; This first pushing part and this second pushing part are that center line presents symmetrical state with the 3rd datum line, and this first pushing part comprises second limit near this articulated section, and linearly shape is established on first limit of this first pushing part; This second limit is established curved shape and is connected in the end of this first limit near this articulated section; This second pushing part comprises the 4th limit near this articulated section, and linearly shape is established on the 3rd limit of this second pushing part, and the 4th limit is established curved shape and is connected in the end of the 3rd limit near this articulated section.
5. according to claim 1 or claim 2 ratchet spanner; It is characterized in that; This control piece has one and is exposed to outer outer surface and an inner surface adjacent with this body, and the control flume of this control piece is located at this inner surface, and the 3rd datum line is divided into symmetrical two halves with this control flume; The outer surface of this control piece is formed with a clicking section changes this control piece for dialling, and extend along the 3rd datum line substantially the clicking section of this control piece.
6. ratchet spanner as claimed in claim 5 is characterized in that this control flume is the profile of tumbler shape, and the inner surface of this control piece also is provided with one and covers groove around this control flume, for the interlock end that hides this reversing switch.
7. according to claim 1 or claim 2 ratchet spanner; It is characterized in that; Also be provided with a keeper between this control piece and this reversing switch; The interlock end of this reversing switch is provided with a location division of extending along this pivot end axis direction, and this keeper is provided with two locating slots, and this keeper can optionally make a location division that holds this reversing switch in two locating slots.
8. ratchet spanner as claimed in claim 7; It is characterized in that; This keeper also is formed with a reset portion between two locating slots; The distance of the radial direction of the reset portion of this keeper and this articulated section axis is less than the distance of the radial direction of this locating slot and this articulated section axis, and this reset portion can force in the location division of this reversing switch and let this keeper make a location division that holds this reversing switch in two locating slots automatically.
9. ratchet spanner as claimed in claim 8 is characterized in that, this control piece is provided with the tank of an arc with respect to the position of this reversing switch location division; The axis of this tank and this articulated section maintains the distance of fixing radial direction; And the two ends of this tank are respectively equipped with a joint portion, and this keeper is the metal clips shape, and these keeper two ends form a binding end respectively; This binding end is incorporated into the joint portion of this control piece; Make this keeper can in this tank, produce the strain along this control piece radial direction, this location division is made as the circular bulk coaxial with this reversing switch, and this locating slot is made as semi-circular shape.
10. according to claim 1 or claim 2 ratchet spanner is characterized in that this driving body forms an engaged section between two ends; The engaged section of this driving body is placed in first storage tank of this body, and this ratchet piece forms the engaging piece with a plurality of teeth near the one side of this driving body, and the engaging piece of this ratchet piece can be engaged in the engaged section of this driving body; The one side that this ratchet piece is away from this driving body is provided with a depressed part; This depressed part supplies this reversing switch elasticity pushing tow, and this ratchet piece forms one first clamping face and one second clamping face respectively in the both sides of depressed part, and this first clamping face or this second clamping face can optionally be contacted with the peripheral wall surface of this second storage tank; The pivot end of this reversing switch offers one in the side near this ratchet piece and pushes up the groove of pulling; Pulling in this top, groove is interior to supply installing one to push up pull a part and an elastomer, and the part pushing tow is pulled in the depressed part of this ratchet piece in this top, in order to control the meshing relation between this ratchet piece and this driving body; This elastomer is located at pull groove and this top, this top and is pulled between the part; In order to this top of pushing tow part of pulling, first retaining wall and second retaining wall that this head is provided with against each other and separates, and also this first retaining wall is formed with a first surface; This second retaining wall is formed with a second surface; This first retaining wall is offered an axis hole that is communicated in this first storage tank in first surface, and first storage tank of this body extends and is connected in this second surface and establishes and be open shape towards this second retaining wall, and an end of this driving body convexes with a driving rod; The driving rod of this driving body is extended through the axis hole of this body first retaining wall and is exposed to outside this first surface; The articulated section of this control piece is articulated in the driving rod of this driving body, and this driving body convexes with a drive post in contrast to an end of this driving rod, and this drive post is exposed to outside the second surface of this body; This drive post can be in order to be connected sleeve; The pivot groove of this body is opened in the first surface of this head and passes this first retaining wall, and the interlock end of this reversing switch system protrudes from the first surface of this body, and this interlock end is provided with this block holding part that extends along this reversing switch radial direction; This block holding part extends towards the direction of this first storage tank from the first surface outside of this body head, and this block holding part of this reversing switch extends along this second datum line substantially.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118360A CN102145478B (en) | 2010-02-05 | 2010-02-05 | Ratchet spanner |
| US12/843,942 US8297152B2 (en) | 2009-11-06 | 2010-07-27 | Ratchet wrench |
| DE201010037787 DE102010037787B4 (en) | 2009-11-06 | 2010-09-27 | ratchet wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101118360A CN102145478B (en) | 2010-02-05 | 2010-02-05 | Ratchet spanner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102145478A CN102145478A (en) | 2011-08-10 |
| CN102145478B true CN102145478B (en) | 2012-09-12 |
Family
ID=44420064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101118360A Expired - Fee Related CN102145478B (en) | 2009-11-06 | 2010-02-05 | Ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102145478B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568771A (en) * | 2017-03-14 | 2018-09-25 | 陈家佑 | Reversing ratchet wrench structure-improved |
| CN109421007A (en) * | 2017-08-31 | 2019-03-05 | 陈家佑 | Reversing ratchet wrench |
| TWI650205B (en) * | 2018-04-03 | 2019-02-11 | 陳怡富 | Ratchet wrench toggle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036981A (en) * | 2006-03-17 | 2007-09-19 | 陈泰佐 | Spanner with head having torsion digital extraction device |
| CN201089130Y (en) * | 2007-09-28 | 2008-07-23 | 林佳韵 | Ratchet wheel screwdriver |
| CN101564833A (en) * | 2008-04-23 | 2009-10-28 | 黄秉文 | Reversing structure of ratchet spanner |
| EP2130647A2 (en) * | 2008-06-06 | 2009-12-09 | Bobby Hu | Ratchet wrench with three operative positions |
-
2010
- 2010-02-05 CN CN2010101118360A patent/CN102145478B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101036981A (en) * | 2006-03-17 | 2007-09-19 | 陈泰佐 | Spanner with head having torsion digital extraction device |
| CN201089130Y (en) * | 2007-09-28 | 2008-07-23 | 林佳韵 | Ratchet wheel screwdriver |
| CN101564833A (en) * | 2008-04-23 | 2009-10-28 | 黄秉文 | Reversing structure of ratchet spanner |
| EP2130647A2 (en) * | 2008-06-06 | 2009-12-09 | Bobby Hu | Ratchet wrench with three operative positions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102145478A (en) | 2011-08-10 |
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