CN100591487C

CN100591487C - Bendable angle hand tool

Info

Publication number: CN100591487C
Application number: CN200710163486A
Authority: CN
Inventors: 吴传福
Original assignee: Proxene Tools Co Ltd
Current assignee: Proxene Tools Co Ltd
Priority date: 2007-10-26
Filing date: 2007-10-26
Publication date: 2010-02-24
Anticipated expiration: 2027-10-26
Also published as: CN101157215A; EP2052816A2; EP2052816B1; EP2052816A3

Abstract

The invention relates to a hand tool, the angle of which can be curved. The invention mainly comprises a handle part and a head part, a connecting end is arranged at one end of the handle part, a first hole groove and a second hole groove are arranged at the connecting end for the elastic device, the pushing body and the button device to be inserted in, wherein, a first limiting surface and a first blocking surface are arranged at one end of the pushing body for the second limiting surface and the second blocking surface relevant to the button device to be limited and hold against, the pushingbody can just freely through the movable space surface of the button device and the first elastic device of the pushing body, and the pushing body action is controlled by the button device to reach the purpose that the head curved angle can be adjusted, and the head cannot drop down instantly, and the preset angle can be locked.

Description

The hand-held tool of bendable angle

Technical field

The relevant a kind of bendable of the present invention is got the hand-held tool of angle, when being meant especially that a kind of adjustment is curved and getting angle, can prevent the hand-held tool that head hangs.

Background technology

The bendable that generally is commonly called as F handle spanner is got the angle spanner, the meshing relation because shank and head employing activity are pivoted, so can see through the adjustment structural adjustment head of articulated section and the relative angular position of shank, meeting present operating environment best effort demand, and liked by the consumer.

Yet, bending spanner shown in US6148698 number, US6848344 United States Patent (USP) case, mainly be after the adjusting lever that laterally runs through shank is pressed, make the ratchet on adjusting lever surface and the tooth portion of head driving head both sides break away from, reach head driving head angle adjustment purpose; This kind is by laterally pushing adjusting lever, drive ratchet and the out-of-gear project organization of head driving head when making the adjusting lever displacement, the head driving head and the ratchet that are easy to generate under the engagement break away from fully, cause the relative shank of head driving head to produce sagging situation of moment, so that allow the user that uneasy sensation is arranged, and head and shank produce collision, easily cause surface texture impaired.

So as United States Patent (USP) case of US7131356, improve as above-mentioned shortcoming, be to set up with the front end of adjusting lever to be equipped with a spring and to fix sheet, when the tooth portion of confession adjusting lever and head driving head breaks away from, still can utilize to fix sheet supporting head part driving head, prevent that moment from hanging, only this structure need be set up extra part in addition, not only cause cost to increase, the difficulty of assembling is improved.For this reason, again just like shown in Republic of China M266138 and the M248564, two patents are similar structure, so with M266138 is example, main first elastic device of in first hole of installing second scarfing device, packing into earlier in this case, when making second scarfing device pack contact first elastic device into, be subjected to the influence of the first elastic device elastic force and pushed outwards moving, and make another most advanced and sophisticated first scarfing device of second scarfing device mesh and can't rotate with head, therefore in front end surface second hole of shank, be provided with PBU pushbutton unit, this PBU pushbutton unit bottom surface is established two containing holes in addition, can supply two springs and two hollow pins settings, and between two containing holes, wear a hole that can pass for second scarfing device, this hole below part, it then is first fitting portion that reclines mutually for the slot of second scarfing device, and first of second scarfing device and PBU pushbutton unit, second hole is to be the shape that communicates, PBU pushbutton unit is depressed first fitting portion that then can make second scarfing device break away from PBU pushbutton unit to be fixed, head can be swung up and down and adjust angle, yet its centre of the PBU pushbutton unit that this structure is utilized need be provided with a hole, this hole need wear for second scarfing device, so can significantly increase the area of PBU pushbutton unit, when making less spanner as desire, but cause PBU pushbutton unit easily easily because of the excessive restriction to some extent of volume, and cause the situation of breaking easily, necessity of improvement is arranged in fact.

Summary of the invention

Main purpose of the present invention provides simple and easy, the easy assembling of a kind of design structure, discharges, lock function is good, can be locked in the hand-held tool of arbitrary predetermined angle easily.

Another purpose of the present invention provides a kind ofly when pushing PBU pushbutton unit, can prevent that the situation that head moment hangs from taking place.

The present invention reaches the bendable of above-mentioned re-set target and gets the hand-held tool of angle, mainly comprise a shank and a head, this shank one end is provided with a link, and enclose structure one and hold access slot, and be provided with first hole slot and second hole slot, for inserting flexible device, push up pull body and PBU pushbutton unit etc., wherein this top body one end of pulling is provided with the first restriction face and first stopping surface, and below first stopping surface, be provided with an arc guide face, can be for the second restriction face that corresponds to PBU pushbutton unit, second stopping surface mutually spacing against, and again can be by the activity space face and first elastic device that pushes up the body of pulling of PBU pushbutton unit, the top body of pulling is freely beated, and this controls its top body action of pulling by PBU pushbutton unit, and one can reach and adjusts the curved angle of getting of head, hung, two lockable predetermined angle again unlikely moment.

Description of drawings

Fig. 1 is a decomposing schematic representation of the present invention;

Fig. 1 a is a PBU pushbutton unit enlarged drawing of the present invention;

Fig. 1 b is pull another angle enlarged drawing of body of top of the present invention;

Fig. 2 is that the present invention is for being locked in a certain angle state schematic diagram;

Fig. 3 is the cross sectional side view of Fig. 2;

Fig. 3 a is the a-a profile of Fig. 3;

Fig. 4 is the partial enlarged drawing of Fig. 3;

Fig. 5 is a PBU pushbutton unit down state schematic diagram of the present invention;

Fig. 6 is the cross sectional side view of Fig. 5;

Fig. 6 a is the b-b profile of Fig. 6;

Fig. 7 is the partial enlarged drawing of Fig. 6;

Fig. 8 is a second embodiment of the present invention decomposing schematic representation;

Fig. 8 a is the PBU pushbutton unit enlarged drawing of the second embodiment of the present invention;

Fig. 8 b is pull another angle enlarged drawing of body of the top of the second embodiment of the present invention;

Fig. 9 is that second embodiment of the invention is the fixed angle view;

Figure 10 is the cross sectional side view of Fig. 9;

Figure 10 a is the c-c profile of Figure 10;

Figure 11 is the partial enlarged drawing of Figure 10;

Figure 12 is that second embodiment of the invention is a PBU pushbutton unit down state schematic diagram;

Figure 13 is the cross sectional side view of Figure 12;

Figure 14 is the d-d profile of Figure 13;

Figure 15 is that head of the present invention is a closed drive end schematic diagram;

Figure 16 is that head of the present invention is another closed drive end schematic diagram;

Figure 17 is a third embodiment of the present invention schematic diagram;

Figure 18 is the cross sectional side view of Figure 17;

Figure 19 is the partial enlarged drawing of Figure 17.

Description of symbols among the figure:

10----shank 11----link

111---holds access slot 112---pivot ear

113---pivoted hole 114---first hole slot

The 115---second hole slot 20----pushes up the body of pulling

The 21----first interlocking end 22----first restriction face

The 23----first stopping surface 24----limits retaining groove

25----arc guide face 30----PBU pushbutton unit

The 31-----second restriction face 32----activity space face

The 33----second stopping surface 34----guiding face

40----head 41----drive end

The 42----link 43----second interlocking end

44----through hole A-----first elastic device

B-----second elastic device/C-----latch

The C1----second interlocking end

The specific embodiment

The relevant a kind of bendable of the present invention is got the hand-held tool of angle, includes three kinds of preferred embodiments, and wherein first embodiment such as Fig. 1 please refer to following narration to shown in Figure 7:

The present invention mainly utilizes a shank 10, the shank 10 of this preset length is the link 11 of end summary formation one expansion shape wherein, this link 11 is the appearance access slot 111 of a concave shape and the predetermined depth that caves in, the two ends, the left and right sides of this appearance access slot 111 form a symmetrical pivot ear 112, be positioned at the appropriate location of two pivot ears 112, axially offer one and run through the pivoted hole 113 that holds access slot 111, and hold the length direction that prolongs shank 10 in access slot 111 bottom surfaces and be provided with one first hole slot 114, these proper second hole slot, 115 vertical being interconnected that axially wear with link 11 in first hole slot, 114 default places, and all be provided with the first elastic device A and the second elastic device B in this first hole slot 114 and second hole slot 115;

Secondly this first hole slot 114 is interior except the first elastic device A is set, be provided with the body 20 of pulling in advance of a strip in addition, pull end summary that body 20 is different from the first elastic device A of this top forms the first interlocking end 21 of a dentation, end with respect to the first elastic device A then forms one first restriction face 22 and one first stopping surface 23, in addition below first stopping surface 23, be provided with an arc guide face 25, shown in first two figure, and in second hole slot 115 except the second elastic device B is set, be provided with the cylindrical PBU pushbutton unit 30 of a summary in addition, the default place of these PBU pushbutton unit 30 about central surfaces, be concaved with one with the pull first restriction face 22, the second restriction face 31 in correspondence with each other of body 20 of top, the adjacent side of these second restriction face, 31 front ends, other is concaved with an activity space face 32, this activity space face 32, the summary and the second restriction face 31 are in vertical state, lower bottom part in activity space face 32, and protrusion is formed with one second stopping surface 33, and the Colaesce end face of this second stopping surface 33 and activity space face 32, be to be a circular-arc guiding face 34, make itself and the arc guide face 25 that pushes up the body 20 of pulling, both are guiding mutually easily, and this second stopping surface 33 can be for first stopping surface 23 that pushes up the body 20 of pulling against locking, 32 in activity space face can contract the space that moves around for pushing up the body 20 of pulling backward in addition;

And the appearance access slot 111 of this shank 10 can insert for a head 40, these head 40 1 ends are that drive end 41 (is an open type drive end shown in the figure, this open type drive end can be an open spanner at hand, one Flexible spanner at hand, can also can be a closed drive end according to different demands in addition, as Figure 15, shown in 16, can be wabbler, ratchet wabbler or socket head or the like), the other end is a link 42, the link 42 of this head 40 is chimeric mutually and be the state that is pivoted relative to each other with the link of shank 10 11, the end surface that this link 42 is the link 42 of a convex form and this convex form is equipped with the second interlocking end 43, this second interlocking end 43 has plural tooth, this plural number tooth and between cog can be a V-type shape or are a U type shape, can be for the first interlocking end, 21 engagements of pushing up the body 20 of pulling, its link 42 sides are provided with can be for the through hole 44 that is connected with pivoted hole 113, can insert and fix setting for a latch C with the pivoted hole 113 of link 11, and can freely being bent with respect to shank 10, gets on head 40, adjust angle, use to provide to bend and get, adjusted head 40 is made the switching application of force behind the position and lock.

Please refer to Fig. 2 again, 3, shown in 4, when the hand-held tool that this bendable is got angle under the normality is not adjusted angle and is locked in a certain angle state, be spacing mutually by the first restriction face 22 and the second restriction face 31, can prevent that pull body 20 of top from rotating freely with PBU pushbutton unit 30, and cause the situation that to operate, body 20 is pushed against toward head 40 directions by the elastic force of the first elastic device A owing to pull in the top in addition, forcing the first interlocking end 21 that pushes up the body 20 of pulling is that second interlocking of meshing head 40 holds 43, and PBU pushbutton unit 30 bottoms are subjected to the upwards pushing and pressing of elastic force of the second elastic device B, second stopping surface 33 that makes PBU pushbutton unit 30 and top pull body 20 first stopping surface 23 against each other, body 20 is to move backward so pull in the top, so can make the angle of head 40 locked, it is unlikely when the application of force is pulled, cause the angle of excuse portion 40 to change, hand takes place touch the injured situation of parts;

Otherwise as Fig. 5,6, shown in 7, desire is adjusted, bend when getting angle, PBU pushbutton unit 30 is pressed, and make first stopping surface 23 break away from second stopping surface 33 against, form a space between first stopping surface 23 and the activity space face 32 this moment, body 20 is replaced by the first elastic device A elastic force because pull in the top again, the first interlocking end 21 that pushes up the body 20 of pulling still is meshed with the second interlocking end 43 of drive end 41, so can prevent the situation that 41 moments of drive end hang takes place, if do head 40 suitable, when counterclockwise rotates, the second interlocking end 43 of this head 40, can produce a horizontal component, compress the first interlocking end 21, force the top body 20 of pulling to contract in backward mobilely, make pull first stopping surface 23 of body 20 of top can freely be active between the space of activity space face 32; When decontroling PBU pushbutton unit 30, then whole PBU pushbutton unit 30 is subjected to the second elastic device B thrust and makes progress, and second stopping surface 33 is moved up along guiding face 34, and be resisted against first stopping surface 23, makes head 40 be locked once more, can't rotate its angle.

Refer again to Fig. 8 to second embodiment shown in Figure 14, wherein only just discussed with the aforesaid first embodiment difference place, identical structure title, component symbol then continue to continue to use; Wherein body 20 is pulled in the face of the first elastic device A in this top, the first set restriction face 22 and first stopping surface 23, wherein this first restriction face 22 is that two faces are arranged, the end of remaining silent at the first restriction face 22 has one first stopping surface 23, the two first restriction faces 22 and first stopping surface 23 are to constitute a limit retaining groove 24 that slightly is the ㄇ font thus, in addition below first stopping surface 23 and an arc guide face 25 that extends arranged; Adjacent both sides of PBU pushbutton unit 30 activity space faces 32 in addition are provided with two second restriction faces 31 of the first restriction face 22 that corresponds to, by this can for the top pull the limit retaining groove 24 of body 20 penetrate about two second restriction faces 31, rotate freely to prevent it.

Refer again to the 3rd embodiment shown in Figure 17,18 and 19, wherein only just discussed with the aforesaid first embodiment difference place, wherein the link 11 of shank 10 is designed to the link 11 of a convex form, the link 42 of head 40 then is designed to the link 42 of corresponding concave shape, wherein and utilize a latch C to wear fixing, the generally about middle position of this latch C is provided with the second interlocking end C1 that plural tooth is formed, the second interlocking end C1 is for being meshed with the pull first interlocking end 21 of body 20 of top, can reaching above-mentioned re-set target person equally by this.

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

One, the present invention is the default place of body of directly pulling in PBU pushbutton unit and top, all respectively is provided with at least One restriction face and stopping surface, and utilize the activity space face of PBU pushbutton unit and second stopping surface and top to pull The stopping surface of body can reach the function that makes the locked or bendable of head get, adjust angle, so Can significantly reduce parts, the Cost reduction expenditure.

Two, utilize first elastic device of the first interlocking end rear end, promote the first interlocking end, make the The top of the one interlocking end front end body of pulling can be the engagement shape with the head second interlocking end, can prevent head by this The situation that moment hangs takes place.

Claims

1, a kind of hand-held tool of bendable angle mainly comprises:

One shank, wherein an end has link, and this link prolongs in the length direction of shank and is provided with one first hole slot, and second hole slot vertical with first hole slot and that be communicated with first hole slot, and wherein first hole slot and second hole slot all are provided with an elastic device;

One head has a drive end and a link, and the shape of the link of this head and the link of this shank are mutually chimeric and be the state that is pivoted relative to each other, and this link also is formed with one second interlocking end;

One pushes up the body of pulling, and is arranged in first hole slot, and an end is provided with the first interlocking end, and the other end then is formed up to rare one first restriction face and one first stopping surface;

One PBU pushbutton unit is arranged in second hole slot, and at least one side of this PBU pushbutton unit is provided with one second restriction face, holds an adjacent side to be provided with an activity space face in face of this second restriction, and the bottom of this activity space face also convexes with one second stopping surface;

Pull first stopping surface below of body, described top is provided with an arc guide face;

PBU pushbutton unit discharges pulls body when replacing to the top, second stopping surface can break away from first stopping surface, and head can be through holding with first second interlocking of rabbeting the end engagement, and packing is pushed up in the body of pulling and contracted, make first stopping surface movable, reach the angle of bend adjustment of head in the activity space face of PBU pushbutton unit.

2, the hand-held tool of bendable angle as claimed in claim 1, wherein this shank all is provided with corresponding pivoted hole with the link of head and is the shape that is connected, and this pivoted hole then inserts for a latch and fixedly installs.

3, the hand-held tool of bendable angle as claimed in claim 1, wherein the shank link is a matrix shape link, and the link of head is a convex shape link.

4, the hand-held tool of bendable angle as claimed in claim 1, wherein a pull end of body of this top is formed by two first restriction faces and one first stopping surface, and forms a limit retaining groove.

5, the hand-held tool of bendable angle as claimed in claim 1, wherein these PBU pushbutton unit both sides are formed with two second restriction faces, and be provided with an activity space face, and in this activity space face bottom and convex with one second stopping surface person with the adjacent sides of front end of two second restriction faces.

6, the hand-held tool of bendable angle as claimed in claim 1, wherein the jointing end face of this activity space face and second stopping surface is a guiding face.

7, the hand-held tool of bendable angle as claimed in claim 6, wherein this guiding face is a circular arc.

8, the hand-held tool of bendable angle as claimed in claim 1, wherein this second interlocking end includes plural tooth.

9, the hand-held tool of bendable angle as claimed in claim 8, wherein should the plural number tooth and between cog be a V-type shape.

10, the hand-held tool of bendable angle as claimed in claim 8, wherein should the plural number tooth and between cog be a U type shape.

11, the hand-held tool of bendable angle as claimed in claim 1, wherein the drive end of this head is an open shape.

12, the hand-held tool of bendable angle as claimed in claim 1, wherein the drive end of this head is a closed.

13, a kind of hand-held tool of bendable angle mainly comprises:

One head has a drive end and a link, and the shape of the link of this head and the link of this shank are mutually chimeric and be the state that is pivoted relative to each other;

One latch, the appropriate location of this latch are formed with one second interlocking end;

Described shank link is a convex shape link, and the link of described head is a matrix shape link;

14, the hand-held tool of bendable angle as claimed in claim 13, wherein the Colaesce end face of this activity space face and second stopping surface is a circular-arc guiding face.