CN202964486U

CN202964486U - Simple open-end wrench

Info

Publication number: CN202964486U
Application number: CN 201220565751
Authority: CN
Inventors: 黄秉文
Original assignee: New Way Tools Co Ltd
Current assignee: New Way Tools Co Ltd
Priority date: 2012-10-30
Filing date: 2012-10-30
Publication date: 2013-06-05
Anticipated expiration: 2022-10-30

Abstract

The utility model discloses a simple open-end wrench which comprises a body and a ratchet driving piece, wherein a working head comprises a first jaw and a second jaw; a containing space is formed between the first jaw and the second jaw; a ratchet driving part is formed on one side of the second jaw close to the containing space, and comprises a pivot slot and a dodge slot; the pivot slot and the dodge slot axially penetrate through the two faces of the body along a rotation center of the body; the ratchet driving piece comprises a pivot part and a push-against part; the push-against part is connected with the pivot part; the pivot part is arranged in the pivot slot in a pivoting manner; and the push-against part is selectively contained in the dodge slot. As the ratchet driving piece is arranged in the through-type pivot slot in a pivoting manner, and directly arranged on the body of the open-end wrench in a pivoting manner, the manufacturing and assembling costs of the open-end wrench can be effectively lowered; when the open-end wrench actuates, all torsions exerted by a user for wrenching a workpiece to be driven are shared by a contact surface between the ratchet driving piece and the body of the wrench; the structural strength of the open-end wrench is effectively improved, and the service life of the open-end wrench is prolonged.

Description

Simple and easy open-end wrench

Technical field

The utility model mainly discloses a kind of open-end wrench, espespecially has the open-end wrench of ratcheting function.

Background technology

please refer to " OPEN-END RATCHET WRENCH " Patent Case of No. the 2700315th, U.S. Patent number, it is a kind of open ratchet spanner, an end at ratchet spanner has driving end (wrench head), form a groove (slot 11) in driving end, the both sides of groove are respectively equipped with a ratchet piece (dog 17), the ratchet piece is hubbed in dimple (recess 16) by a pin (pin 18), make ratchet piece driving end pivotable relatively, and a side of ratchet piece is pivoted with a spring (spring 19) by pin (pin 20), make the ratchet piece in the process of relative driving end pivotable, can be returned to the home position under nature.

Yet, the ratchet piece is hubbed at the design of ratchet spanner by pin member, cause ratchet spanner must pay unnecessary manufacturing and assembly cost during fabrication, ratchet spanner in use, when reversing to be driven, required torsion is to be born by pin member, the cross section of pin member between driving end and ratchet piece bear the user reverse to be driven bestow torsion and during the shearing that causes, because of receiving area little, easily cause pin member because of stressed excessive destruction, spring is also to be located in ratchet spanner by pin simultaneously, and the problem that increases on foot manufacturing and assembly cost is also arranged.

And ratchet spanner is difficult for processing in order to the shape design of the dimple that holds the ratchet piece, must expend unnecessary time and processing cost and just can complete processing, causes the unnecessary wasting of resources.

Moreover, if ratchet spanner is incorrect because of ratchet piece angle in use, when wanting directly to drive to be driven with to be driven of wedge angle position contact, can be too small because of contact area, cause ratchet spanner ratchet piece or a to be driven damage distortion wherein.

The utility model content

the main purpose of the open ratchet wrench of the utility model is, provide a kind of spine move part to be hubbed at the design of penetration type pivotable groove, the spine move part directly is hubbed at manufacturing and the assembly cost that the open-end wrench body can effectively reduce open-end wrench, and open-end wrench is when start, the user reverse to be driven the torsion of bestowing all shared by the contact-making surface between spine move part and wrench body, effectively strengthen the structural strength of open-end wrench, increase the service life of open-end wrench, simultaneously, the design handling ease of penetration type pivotable groove, can effectively reduce the manufacturing cost of open-end wrench body.

Its secondary objective of the open ratchet wrench of the utility model is, a kind of design of a spine move rounded column of spine move part is provided, no matter the spine move part contacts to be driven at any angle, the spine move part all can be shared out equally stressed, keep the structural strength of spine move part, increase the service life of open-end wrench.

For reaching above-mentioned purpose, the utility model provides a kind of simple and easy open-end wrench, and it includes:

a body, this body includes a grip part and a working head, this grip part can grip so that this body drives to be driven along the pivot rotation of this body for the user, this working head includes first jaw and second jaw, form an accommodation space between this first jaw and this second jaw, this accommodation space can hold to be driven and drive to be driven for this open-end wrench, this first jaw forms an abutment face near a side of this accommodation space, this second jaw forms a spine move section near a side of this accommodation space, this spine move section is with respect to this abutment face, this working head axially includes first outer surface and second outer surface along this body pivot, this spine move section includes a pivotable groove and an eluding groove, this pivotable groove and this eluding groove axially run through the first outer surface and second outer surface of this working head along the pivot of this body, this eluding groove is communicated with this pivotable groove,

A spine move part, this spine move part includes a pivot part and a butting section, this butting section is connected in this pivot part, this pivot part is hubbed at this pivotable groove, this spine move part is this body pivotable relatively, the pivotable center of this spine move part is parallel to the pivot of this body, this spine move part can move between primary importance and the second place, when this spine move part during in primary importance, the butting section of this spine move part breaks away from the eluding groove of this body, during in the second place, the butting section of this spine move part is placed in the eluding groove of this body when this spine move part;

An elastic device, this elastic device are located between this body and this spine move part, and this elastic device pushes simultaneously in this eluding groove and this butting section, and this elastic device can make this spine move part maintain primary importance when nature.

Described simple and easy open-end wrench, wherein, this pivotable groove forms a breach, and the width of this breach forms first distance, and this pivot part forms a second distance along the pivotable center-diameter to the ultimate range between wantonly 2, and this second distance is greater than this first distance.

Described simple and easy open-end wrench, wherein, this body is axially yearned for axis of rotation along the footpath of axis of rotation respectively in the two ends of this pivotable groove and is convexed with a braking edge along axis of rotation, and this spine move part pivot part is resisted against respectively two braking edges of described body along the two ends at pivotable center.

Described simple and easy open-end wrench, wherein, this body axially radially is concaved with a braking edge away from axis of rotation along axis of rotation respectively in the two ends of this pivotable groove along axis of rotation, this pivot part along this spine move part pivotal axis to two ends be concaved with respectively an annular groove, be arranged with respectively a C type clasp in described two annular grooves, described two C type clasps are resisted against respectively two braking edges of described body.

Described simple and easy open-end wrench, wherein, this body axially radially is concaved with a braking edge away from axis of rotation along axis of rotation respectively in the two ends of this pivot part along axis of rotation, this pivot part along this spine move part pivotal axis to an end be concaved with an annular groove, convex with one in contrast to an end of this annular groove and fasten edge, be arranged with a C type clasp in this annular groove, this C type clasp and this fasten two braking edges that edge is resisted against respectively described body.

Described simple and easy open-end wrench, wherein, this elastic device includes a storage tank, a spring and a jacking block, this storage tank is arranged with in this eluding groove, this storage tank is circular hole, the spring of this elastic device and jacking block sequentially are placed in this storage tank, and this jacking block is pushed by this spring force and is resisted against the butting section of this spine move part.

Described simple and easy open-end wrench, wherein, this spine move part is provided with an accommodating hole, and this elastic device is a spring, and an end of this spring is placed in this accommodating hole, and this spring is resisted against the eluding groove of this body in contrast to an end of this accommodating hole.

Described simple and easy open-end wrench, wherein, the cylindrical through hole of this pivotable groove, the cylindrical circumference that this pivotable groove surrounds is grown up in half of complete circle cylindricality circumference.

Described simple and easy open-end wrench, wherein, this butting section includes a joining section and a spine move head, this pivot part is cylindric, this joining section is connected in the side of this pivot part, and this spine move rounded column is connected in this joining section, and this pivot part forms first radius, this spine move capitiform becomes second radius, and this second radius is less than this first radius.

described simple and easy open-end wrench, wherein, this accommodation space forms an opening between this first jaw and this second jaw, this first jaw forms first opening surface near a side of this opening, this second jaw forms second opening surface near a side of this opening, this second jaw forms a side near a side of this accommodation space, this second opening surface is with respect to this first opening surface, this first opening surface all is plane and parallel with this second opening surface, this abutment face be connected in this first opening surface and with this first opening surface shape in an angle, this angle is less than 180 degree, this side is concave arc shape, this side is connected in this second opening surface.

Described simple and easy open-end wrench, wherein, this body forms a bottom surface near a side of this accommodation space between this spine move section and this abutment face, this bottom surface is concave arc shape, this eluding groove is cancave cambered surface, and this butting section is the projection shape, this joining section projection shape that is rectangle.

The beneficial effects of the utility model are, the spine move part is hubbed at the design of penetration type pivotable groove, the spine move part directly is hubbed at manufacturing and the assembly cost that the open-end wrench body can effectively reduce open-end wrench, and open-end wrench is when start, the user reverse to be driven the torsion of bestowing all shared by the contact-making surface between spine move part and wrench body, effectively strengthen the structural strength of open-end wrench, increase the service life of open-end wrench, simultaneously, the design handling ease of penetration type pivotable groove can effectively reduce the manufacturing cost of open-end wrench body; The design of the spine move of a spine move part rounded column, no matter the spine move part contacts to be driven at any angle, and the spine move part all can be shared out equally stressed, keeps the structural strength of spine move part, increases the service life of open-end wrench.

Description of drawings

Fig. 1 is the stereo appearance figure of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 2 is the three-dimensional exploded view of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 3 is the profile that the utility model is got along the 3-3 line in Fig. 1;

Fig. 3 A is the partial enlarged drawing that the utility model is got along Fig. 3;

Fig. 4 is the profile that the utility model is got along the 4-4 line in Fig. 1;

Fig. 5 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 6 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 7 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 8 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Fig. 9 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Figure 10 is the operation chart of simple and easy first embodiment of open-end wrench of the utility model;

Figure 11 is the stereo appearance figure of second embodiment of the simple and easy open-end wrench of the utility model;

Figure 12 is the three-dimensional exploded view of second embodiment of the simple and easy open-end wrench of the utility model;

Figure 13 is the profile that the utility model is got along the 13-13 line in Figure 11;

Figure 14 is the three-dimensional exploded view of the 3rd embodiment of the simple and easy open-end wrench of the utility model;

Figure 15 is the cross-sectional view of the 3rd embodiment of the simple and easy open-end wrench of the utility model;

Figure 16 is the operation chart of the 4th embodiment of the simple and easy open-end wrench of the utility model;

Figure 17 is the operation chart of the 4th embodiment of the simple and easy open-end wrench of the utility model;

Figure 18 is the operation chart of the 4th embodiment of the simple and easy open-end wrench of the utility model;

Figure 19 is the structural representation of second example of the simple and easy open-end wrench of the utility model;

Figure 20 is the structural representation of second example of the simple and easy open-end wrench of the utility model;

Figure 21 is the structural representation of second example of the simple and easy open-end wrench of the utility model.

Description of reference numerals: 10-open-end wrench; The 20-body; The 21-grip part; The 22-working head; 221-the first outer surface; 222-the second outer surface; 23-the first jaw; 231-the first opening surface; The 232-abutment face; 24-the second jaw; 241-the second opening surface; The 25-accommodation space; The 251-opening; The 252-side; The 253-bottom surface; 26-spine move section; 27-pivotable groove; The 271-breach; The 272-braking edge; The 28-eluding groove; The 29-elastic device; The 291-storage tank; The 292-spring; The 293-jacking block; 30-spine move part; The 31-pivot part; 311-the 3rd outer surface; 312-the is the surface all round; The 32-butting section; The 33-joining section; 34-spine move head; R1-the first radius; R2-the second radius; The 10a-open-end wrench; The 20a-body; The 21a-grip part; The 22a-working head; 221a-the first outer surface; 222a-the second outer surface; 23a-the first jaw; 24a-the second jaw; 241a-the second opening surface; The 25a-accommodation space; The 251a-opening; The 252a-side; The 253a-bottom surface; 26a-spine move section; 27a-pivotable groove; The 272a-braking edge; The 28a-eluding groove; The 29a-elastic device; The 291a-storage tank; The 292a-spring; The 293a-jacking block; 30a-spine move part; The 31a-pivot part; 311a-the 3rd outer surface; 312a-the is the surface all round; The 32a-butting section; The 33a-joining section; 34a-spine move head; The 35a-annular groove; 36a-C type clasp; The 10b-open-end wrench; The 20b-body; The 21b-grip part; The 22b-working head; 221b-the first outer surface; 222b-the second outer surface; 23b-the first jaw; 24b-the second jaw; 241b-the second opening surface; The 25b-accommodation space; The 251b-opening; The 252b-side; The 253b-bottom surface; 26b-spine move section; 27b-pivotable groove; The 271b-breach; The 272b-braking edge; The 28b-eluding groove; The 29b-elastic device; The 291b-storage tank; The 292b-spring; The 293b-jacking block; 30b-spine move part; The 31b-pivot part; 311b-the 3rd outer surface; 312b-the is the surface all round; The 32b-butting section; The 33b-joining section; 34b-spine move head; The 35b-annular groove; 36b-C type clasp; 37b-fastens edge; The 10c-open-end wrench; The 20c-body; The 21c-grip part; The 22c-working head; 23c-the first jaw; The 232c-abutment face; 24c-the second jaw; The 25c-accommodation space; The 252c-side; The 253c-bottom surface; 26c-spine move section; 27c-pivotable groove; The 28c-eluding groove; The 29c-elastic device; The 292c-spring; 30c-spine move part; The 31c-pivot part; The 32c-butting section; The 33c-joining section; 34c-spine move head; The 38c-accommodating hole; To be driven of 90-; D1-the first distance; The D2-second distance; Θ-angle.

The specific embodiment

Referring to figs. 1 through shown in Figure 3, be stereo appearance figure, three-dimensional exploded view and the profile of simple and easy first embodiment of open-end wrench of the utility model.The utility model open-end wrench 10 includes a body 20, a spine move part 30 and an elastic device 29; Wherein:

Please continue to be the cross-section structure partial enlarged drawing of simple and easy first embodiment of open-end wrench of the utility model with reference to shown in Fig. 3 A.This body 20 includes a grip part 21 and a working head 22, and this grip part 21 can grip so that this body 20 drives to be driven 90 (as shown in Figure 5) along the pivot rotation of this body 20 for the user.This working head 22 is opening-like, and this working head 22 includes first jaw 23 and second jaw 24.Form an accommodation space 25 between this first jaw 23 and this second jaw 24, this accommodation space 25 can hold to be driven 90 and drive to be driven 90 for this open-end wrench 10, and this accommodation space 25 forms an opening 251 between this first jaw 23 and this second jaw 24.

Please continue to be the profile of simple and easy first embodiment of open-end wrench of the utility model with reference to shown in Figure 4.This first jaw 23 forms first opening surface 231 near a side of this opening 251, this first jaw 23 forms an abutment face 232 near a side of this accommodation space 25, this second jaw 24 forms second opening surface 241 near a side of these openings 251, and this second jaw 24 forms a side 252 and a spine move section 26 near a side of these accommodation spaces 25.This second opening surface 241 is with respect to this first opening surface 231, this first opening surface 231 all is plane and parallel with this second opening surface 241, this abutment face 232 be connected in this first opening surface 231 and with these the first opening surface 231 shapes Θ in an angle, this angle Θ is less than 180 degree, this side 252 is concave arc shape, and this side 252 is connected in this second opening surface 241.

This spine move section 26 is with respect to this abutment face 232, and this body 20 forms a bottom surface 253 near a side of these accommodation spaces 25 between this spine move section 26 and this abutment face 232, and this bottom surface 253 is concave arc shape.this working head 22 axially includes first outer surface 221 and second outer surface 222 along these body 20 pivots, this first outer surface 221 is parallel with this second outer surface 222, this spine move section 26 includes a pivotable groove 27 and an eluding groove 28, this pivotable groove 27 axially runs through the first outer surface 221 and second outer surface 222 of this working head 22 with this eluding groove 28 along the pivot of this body 20, the cylindrical through hole of this pivotable groove 27, this eluding groove 28 is communicated with this pivotable groove 27, this eluding groove 28 is cancave cambered surface, after this eluding groove 28 is communicated with this pivotable groove 27, make this pivotable groove 27 form a breach 271, the width of this breach 271 forms first distance B 1, the cylindrical circumference that this pivotable groove 27 surrounds is grown up in half of complete circle cylindricality circumference.This body 20 axially convexes with a braking edge 272 along the footpath yearning axis of rotation of axis of rotation respectively in the two ends of this pivotable groove 27 along axis of rotation.

This spine move part 30 includes a pivot part 31 and a butting section 32, this pivot part 31 is hubbed at this pivotable groove 27, make this spine move part 30 these body 20 pivotables relatively, the pivotable center of this spine move part 30 is parallel to the pivot of this body 20, and this spine move part 30 can move between primary importance and the second place.When this spine move part 30 during in primary importance, the butting section 32 of this spine move part 30 breaks away from the eluding groove 28 of this body 20, when this spine move part 30 during in the second place, the butting section 32 of this spine move part 30 is placed in the eluding groove 28 of this body 20, this pivot part 31 forms a second distance D2 along the pivotable center-diameter to the ultimate range between wantonly 2, and this second distance D2 is greater than this first distance B 1.

This pivot part 31 is cylindric, and this butting section 32 is connected in this pivot part 31, and this butting section 32 is the projection shape.This butting section 32 includes a joining section 33 and spine move 34, and this joining section 33 is connected in the side of this pivot part 31, this joining section 33 projection shape that is rectangle, and this spine move 34 rounded column are connected in this joining section 33.This pivot part 31 forms first radius R 1, this spine move second radius R 2 of 34 formation, and this second radius R 2 is less than this first radius R 1.

these spine move part 30 pivot parts 31 along the pivotable central shaft to two ends form respectively the 3rd outer surface 311 and in contrast to one of the 3rd outer surface 311 the surface 312 all round, the surface 312 is parallel all round with this for the 3rd outer surface 311, when this pivot part 31 is hubbed at this pivotable groove 27, the 3rd outer surface and 311 and this all round surface 312 do not exceed between this first outer surface 221 and this second outer surface 222, these spine move part 30 pivot parts 31 along the pivotable central shaft to two ends be resisted against respectively two braking edges 272 of described body 20, described two braking edges 272 all form with riveting method, this body 20 fixes this spine move part 30 really in the rivet clasp mode, make this spine move part 30 can be along the pivotable central shaft to breaking away from this body 20 (as Fig. 3 and Fig. 3 A).

This elastic device 29 is located between this body 20 and this spine move part 30, and this elastic device 29 pushes simultaneously in this eluding groove 28 and this butting section 32, and this elastic device 29 includes a storage tank 291, a spring 292 and a jacking block 293.This storage tank 291 is arranged with in this eluding groove 28, and this storage tank 291 is circular hole, and the spring 292 of this elastic device 29 and jacking block 293 sequentially are placed in this storage tank 291.This jacking block 293 is pushed by these spring 292 elastic force and is resisted against the butting section 32 of this spine move part 30, this elastic device 29 can make this spine move part 30 maintain primary importance when not being subjected to the nature of external force, when this spine move part 30 was subject to external force and pushes this elastic device 29, this spring 292 can make because of distortion this jacking block 293 inside contract in the storage tank 291 of this body 20.

Please continue with reference to Fig. 5 and shown in Figure 6, be the driving operation chart of simple and easy first embodiment of open-end wrench of the utility model.as the user, to be driven 90 is placed in the accommodation space 25 of this open-end wrench 10 and when being resisted against this bottom surface 253 (as Fig. 5), can grip this grip part 21 and this body 20 is rotated (as Fig. 6) clockwise along pivot, the both sides of to be driven 90 will be resisted against respectively this abutment face 232 and this spine move part 30, when this body 20 clockwise rotates along direction of rotation, can't push this spine move part 30 for to be driven 90 moves toward the second place, make to be driven 90 effect that can be driven by this open-end wrench 10 and reach locking or discharge, and form this angle Θ when being connected in this first opening surface 231 because of this abutment face 232, this angle Θ is less than 180 degree, the user is using during this open-end wrench 10 drives the process of to be driven 90, can prevent that to be driven 90 is deviate from this open-end wrench 10 in the process of these open-end wrench 10 rotations, this spine move part 30 is along the pivotable central shaft to the design of not protruding this body 20, these body 20 pivotables are smooth and easy relatively to make this spine move part 30.

Please continue with reference to Fig. 7 to be the spine move operation chart of simple and easy first embodiment of open-end wrench of the utility model to shown in Figure 10.when being placed in for to be driven 90 in the accommodation space 25 of this open-end wrench 10, when the user grips this grip part 21 and this body 20 is counterclockwise rotated along pivot (as Fig. 7), to push this spine move part 30 for to be driven 90 moves toward the second place, the side 252 of this body 20 provides the effect of dodging (as Fig. 8) simultaneously, this moment this body 20 along the rotation of relatively to be driven 90 of pivot and not tool drive effect, what continue counterclockwise rotates (as Fig. 9) with this body 20 along pivot, to continue to push this spine move part 30 for to be driven 90 makes this spine move part 30 more and more near the second place, until this spine move part 30 is placed in this eluding groove 28 fully, can't push that this spine move part 30 gos deep into this eluding groove 28 more for to be driven 90 and when continuing to make 20 rotation of this body, this spine move part 30 will be got back to primary importance (as Figure 10) once more, after changing the angle of this body 20 with respect to be driven 90, can continue to drive to be driven 90 by this open-end wrench 10 and make to be driven 90 rotation.

This spine move part 30 directly is hubbed at this body 20 this open-end wrench 10 is easily made to run through mode, help to lower processing and assembly cost, and the two ends of this spine move part 30 are fixed in this body 20 by riveting method, the whole connected mode that really fixes that adopts, structural strength is strong, because this pivot part 31 and this spine move 34 all is cylindric, can on average disperse the suffered strength of this spine move part 30, increase the intensity of this spine move part 30.

Please refer to Figure 11 to shown in Figure 13, be stereo appearance figure, three-dimensional exploded view and the profile of second embodiment of the simple and easy open-end wrench of the utility model.the difference of second embodiment and first embodiment only is that this spine move part 30a is fixed in the mode of this body 20a, this body 20a of second embodiment axially radially is concaved with a braking edge 272a away from axis of rotation along axis of rotation respectively in the two ends of this pivotable groove 27a along axis of rotation, this pivot part 31a along this spine move part 30a pivotal axis axle to two ends be concaved with respectively an annular groove 35a, be arranged with respectively a C type clasp 36a in described two annular groove 35a, described two C type clasp 36a are resisted against respectively two braking edge 272a of described body 20a, make this spine move part 30a can not break away from this body 20a along pivotable center square shaft.

Please refer to Figure 14 and shown in Figure 15, be three-dimensional exploded view and the profile of the 3rd embodiment of the simple and easy open-end wrench of the utility model.the difference of the 3rd embodiment and second embodiment only is that this spine move part 30b is fixed in the mode of this body 20b, the two ends of this body 20b of second embodiment along the direction of axis of rotation in this pivotable groove 27b radially are concaved with a braking edge 272b away from axis of rotation along axis of rotation respectively, this pivot part 31b is concaved with an annular groove 35b along this spine move part 30b pivotable axle center end radially, convex with one in contrast to the end of this annular groove 35b and fasten edge 37b, be arranged with a C type clasp 36b in this annular groove 35b, this C type clasp 36b and this fasten two braking edge 272b that edge 37b is resisted against respectively described body 20a, make this spine move part 30b can be along the pivotable central shaft to breaking away from this body 20b.

Please refer to Figure 16 to shown in Figure 180, be the operation chart of the 4th embodiment of the simple and easy open-end wrench of the utility model.the difference of the 4th embodiment and previous embodiment is that this spine move part 30c of the 4th embodiment is provided with an accommodating hole 38c, this elastic device 29 is a spring 292c, the end of this spring 292c is placed in this accommodating hole 38c, be resisted against the eluding groove 28c of this body 20c in contrast to the end of this accommodating hole 38c, as the user, to be driven 90 is placed in the accommodation space 25c of this open-end wrench 10c and when being resisted against this bottom surface 253c, and grip this grip part 21c this body 20c is clockwise rotated along the pivot direction, the both sides of to be driven 90 will be resisted against respectively this abutment face 232c and this spine move 26c of section, when this body 20c clockwise rotates along direction of rotation, can't push this spine move part 30c for to be driven 90 moves toward the second place, make to be driven 90 effect that can be driven by this open-end wrench 10c and reach locking or discharge, when the user grips this grip part 21c and this body 20c is counterclockwise rotated along pivot, to push this spine move part 30c for to be driven 90 moves toward the second place, the side 252c of this body 20c provides the effect of dodging simultaneously, this moment this body 20c along relatively to be driven 90 rotation of pivot and not tool drive effect, until this spine move part 30c is placed in this eluding groove 28c fully, this spring 292c is placed in this accommodating hole 38c because distortion makes position increases.

Please refer to Figure 19 to shown in Figure 21, be the structural representation of second example of the simple and easy open-end wrench of the utility model.Spine move structure of the present utility model also can be implemented on multi-form spanner, is monkey wrench at this cited example, except making monkey wrench reach spine move effect of the present utility model, has advantages of that simultaneously the utility model has.

Can summarize with regard to the above and the utlity model has following advantage:

1. be the open ratchet wrench of the utility model, wherein the spine move part is hubbed at the design of penetration type pivotable groove, the spine move part directly is hubbed at manufacturing and the assembly cost that the open-end wrench body can effectively reduce open-end wrench, and open-end wrench is when start, the user reverses to be driven 90 and bestows torsion and all shared by the contact-making surface between spine move part and wrench body, effectively strengthen the structural strength of open-end wrench, increase the service life of open-end wrench, simultaneously, the design handling ease of penetration type pivotable groove can effectively reduce the manufacturing cost of open-end wrench body.

2. be the open ratchet wrench of the utility model, the wherein design of the spine move of a spine move part rounded column, no matter the spine move part contacts to be driven 90 at any angle, and the spine move part all can be shared out equally stressed, keep the structural strength of spine move part, increase the service life of open-end wrench.

Claims

1. a simple and easy open-end wrench, is characterized in that, includes:

2. simple and easy open-end wrench as claimed in claim 1, it is characterized in that, this pivotable groove forms a breach, and the width of this breach forms first distance, this pivot part forms a second distance along the pivotable center-diameter to the ultimate range between wantonly 2, and this second distance is greater than this first distance.

3. simple and easy open-end wrench as claimed in claim 2, it is characterized in that, this body is axially yearned for axis of rotation along the footpath of axis of rotation respectively in the two ends of this pivotable groove and is convexed with a braking edge along axis of rotation, and this spine move part pivot part is resisted against respectively two braking edges of described body along the two ends at pivotable center.

4. simple and easy open-end wrench as claimed in claim 2, it is characterized in that, this body axially radially is concaved with a braking edge away from axis of rotation along axis of rotation respectively in the two ends of this pivotable groove along axis of rotation, this pivot part along this spine move part pivotal axis to two ends be concaved with respectively an annular groove, be arranged with respectively a C type clasp in described two annular grooves, described two C type clasps are resisted against respectively two braking edges of described body.

5. simple and easy open-end wrench as claimed in claim 2, it is characterized in that, this body axially radially is concaved with a braking edge away from axis of rotation along axis of rotation respectively in the two ends of this pivot part along axis of rotation, this pivot part along this spine move part pivotal axis to an end be concaved with an annular groove, convex with one in contrast to an end of this annular groove and fasten edge, be arranged with a C type clasp in this annular groove, this C type clasp and this fasten two braking edges that edge is resisted against respectively described body.

6. simple and easy open-end wrench as claimed in claim 2, it is characterized in that, this elastic device includes a storage tank, a spring and a jacking block, this storage tank is arranged with in this eluding groove, this storage tank is circular hole, the spring of this elastic device and jacking block sequentially are placed in this storage tank, and this jacking block is pushed by this spring force and is resisted against the butting section of this spine move part.

7. simple and easy open-end wrench as claimed in claim 2, it is characterized in that, this spine move part is provided with an accommodating hole, and this elastic device is a spring, one end of this spring is placed in this accommodating hole, and this spring is resisted against the eluding groove of this body in contrast to an end of this accommodating hole.

8. simple and easy open-end wrench as described in any one in claim 1 to 7, is characterized in that, the cylindrical through hole of this pivotable groove, and the cylindrical circumference that this pivotable groove surrounds is grown up in half of complete circle cylindricality circumference.

9. simple and easy open-end wrench as claimed in claim 8, it is characterized in that, this butting section includes a joining section and a spine move head, this pivot part is cylindric, this joining section is connected in the side of this pivot part, and this spine move rounded column is connected in this joining section, and this pivot part forms first radius, this spine move capitiform becomes second radius, and this second radius is less than this first radius.

10. simple and easy open-end wrench as claimed in claim 9, it is characterized in that, this accommodation space forms an opening between this first jaw and this second jaw, this first jaw forms first opening surface near a side of this opening, this second jaw forms second opening surface near a side of this opening, this second jaw forms a side near a side of this accommodation space, this second opening surface is with respect to this first opening surface, this first opening surface all is plane and parallel with this second opening surface, this abutment face be connected in this first opening surface and with this first opening surface shape in an angle, this angle is less than 180 degree, this side is concave arc shape, this side is connected in this second opening surface.

11. simple and easy open-end wrench as claimed in claim 10, it is characterized in that, this body forms a bottom surface near a side of this accommodation space between this spine move section and this abutment face, this bottom surface is concave arc shape, this eluding groove is cancave cambered surface, this butting section is the projection shape, this joining section projection shape that is rectangle.