CN1597261A

CN1597261A - Simple clamping device of ratchect spanner

Info

Publication number: CN1597261A
Application number: CN 03158172
Authority: CN
Inventors: 罗启瑞
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-09-15
Filing date: 2003-09-15
Publication date: 2005-03-23
Anticipated expiration: 2023-09-15
Also published as: CN1272143C

Abstract

A simple fixing-clamping unit of ratchet wrench is composed of a main wrench body consisting of a head with a box end and a ratchet drive mechanism and a handle, a ratchet ring arranged in said box end in rotary mode and with a frange at its first end, a second end extended from the box a central hole, and a clamping fastener with holding function.

Description

The simple and easy solid clamp device of ratchet spanner

Technical field

The present invention relates to ratchet spanner, refer to a kind of simple and easy solid clamp device of ratchet spanner especially.

Background technology

Since the human own civilization, hand-held tool just occupies a tiny space, and since the screw invention, spanner just occupy most important status in the hand-held tool field, only the kind of spanner just has a variety of, combination wrench, two open-end wrench, Double ring spanner, ratchet spanner or the like, wherein hand-held tool occupies a large amount of export markets, no matter it is in quality, factor such as manufacturing cost and speed of production all can take advantage in export markets, just can seize the market of export trade, therefore hand-held tool the mode of making and process directly and cost and speed of production closely bound up, also be the most important competitiveness of hand-held tool now.

See also shown in Figure 8ly, be existing ratchet spanner 1, be equiped with a ratchet ring 3 in the head 2 of this ratchet spanner 1,2 on this ratchet ring 3 and head are provided with a C type clasp 5, can not deviate from by ratchet spanner 1 head 2 with restriction ratchet ring 3.Be provided with a combined hole 4 in this ratchet ring 3, and establish a groove 6 in the inner ring of combined hole 4, ccontaining for a clip 7, this combined hole 4 can wear combination for tool heads 8, this tool heads 8 is subjected to the clamping of clip 7 and is limited in the combined hole 4, and can utilize tool heads 8 to come screw lock spiral shell spare.The user can be gripped on the shank 9 of spanner 1, by the shank of pulling spanner 19 back and forth, but and driven tool 8 with screw lock spiral shell spare.

Right this existing ratchet spanner 1 emerges in head 2 for preventing ratchet ring 3, and needs in ratchet ring 3 and 2 on head C type clasp 5 to be set.And for making ratchet ring 3 can be clipped on tool heads 8, can be and need to be provided with one for the ccontaining groove 6 of clip 7 in the inner edge of ratchet ring 3.Its structural design is comparatively complicated, and has increased the time of processing and assembling, has improved the cost expenditure that produces relatively.

But and this one pull operation only interlock ratchet ring 3 and tool heads 8 rotate a less angle, when spiral shell spare does not screw tight (that is required screw lock power is less) as yet, need constantly to pull back and forth repeatedly spanner 1, not only time-consuming and the effort, and operating efficiency is had a greatly reduced quality, and this is arranged at the block that combined hole 4 interior tool heads 8 are not subjected to ratchet ring 3, can produce relative displacement relation with ratchet ring 3, and the possibility that emerges in combined hole 4 is arranged, the disadvantages that more than existing spanner is derived has in fact and is researched and developed the necessity that improves.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art and defective, and a kind of simple and easy solid clamp device of ratchet spanner is provided, and its clip of being located at ratchet ring second end has the dual-use function of the spacing and clamped tool of block.The flange block of this ratchet ring first end is in an edge of casket end, this is located at the another side edge of the clip block of ratchet ring second end in the casket end, make the unlikely casket end that emerges in of this ratchet ring, and two pinches of this clip are in the protruding combined hole that is exposed to ratchet ring, and has the function of clamping simultaneously, its structural design is quite simple, and assembling fast.And required time of operation can be significantly saved down in the operation of its two-part, has improved operating efficiency relatively, is in fact one to have the design of industry applications and progressive.

For reaching above-mentioned purpose, the invention provides a kind of simple and easy solid clamp device of ratchet spanner, it includes: a wrench body, it has head and shank, and its head is provided with a casket end, and installs a ratchet drive mechanism in the throat of wrench body; One ratchet ring, it has first end and second end, the central authorities of this ratchet ring are provided with a combined hole, this ratchet ring is incorporated into the casket end of head in rotating mode, first end of this ratchet ring is provided with a flange, this flange block is in an edge of casket end, and second end of this ratchet ring is protruding to be exposed to outside the casket end, and is provided with the grooving that is communicated in combined hole more than in outer rim; One clip, made by metal wire rod, it is incorporated into second end of ratchet ring, and block is in the another side edge of casket end, and the pinch of this clip is arranged at grooving and protruding being exposed in the combined hole.

Description of drawings

Fig. 1 is a three-dimensional combination figure of the present invention;

Fig. 2 is a three-dimensional exploded view of the present invention;

Fig. 3 is a sectional view of the present invention;

Fig. 4 is a upward view of the present invention, and the protuberance block of expression clip is in the another side edge of casket end;

Fig. 5 is that the edge of Fig. 3 is continuous, and the expression actuator is subjected to the clamping of clip and is limited in the combined hole of ratchet ring;

Fig. 6 is an application drawing of the present invention, and the expression user dials the flange that changes ratchet ring;

Fig. 7 is that the edge of Fig. 6 is continuous, and the expression user pulls the shank of wrench body;

Fig. 8 is the sectional view of existing spanner.

Symbol description among the figure

1 spanner, 2 heads

3 ratchet rings, 4 combined holes

5 C type clasps, 6 grooves, 7 clips, 8 tool heads, 9 shanks

10 wrench body, 11 heads, 12 shanks, 13 casket ends, 14 tanks

15 holes, 20 ratchet rings, 21 ratchets, 22 combined holes, 23 flanges

231 embossing lines, 24 stoppers, 25 groovings, 30 clips, 31 pinches

32 protuberances, 40 ratchet pieces, 41 ratchets, 42 cambered surfaces, 43 cambered surfaces

44 recesses, 441 end faces, 442 end faces, 50 reversing switches, 51 driving levers

52 hold 54 card divisions, 53 card divisions, hole, 55 shifting parts, 551 tanks

56 elastomers, 60 actuators, 70 spiral shell spares, 80 ratchet drive mechanisms

The specific embodiment

Relevant the technology used in the present invention means and effect thereof, lift now that a preferred embodiment and conjunction with figs. describe in detail as after.

See also Fig. 1～Fig. 7, be the structure of the selected a kind of embodiment of the present invention shown in the figure, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.

See also shown in Fig. 2,3, spanner of the present invention comprises that a wrench body 10, a ratchet ring 20, a clip 30 and are arranged at the ratchet drive mechanism 80 of wrench body throat.

One end of this wrench body 10 is a head 11, and end is shank 12 in addition.The head 11 of this wrench body 10 is established a casket end 13, and installs a ratchet drive mechanism 80 in the throat of wrench body 10, makes wrench body 10 have the function of commutation clip.This ratchet drive mechanism 80 comprises that one is arranged at the ratchet piece 40 and the reversing switch 50 at wrench body 10 throats place in this preferred embodiment, and laterally be provided with one in the throat of wrench body 10 place for the ccontaining tank 14 of ratchet piece 40, and one for the ccontaining hole 15 of reversing switch 50, and this hole 15 is interconnected with tank 14.

This ratchet ring 20 has first end and second end.The outer rim of this ratchet ring 20 is equipped with ratchet 21, and the central authorities of this ratchet ring 20 are axially arranged with a combined hole 22.First end of this ratchet ring 20 stretches out and convexes with a flange 23, and these flange 23 blocks are in an edge of casket end 13.This flange 23 is generally in the form of annular discs in this preferred embodiment, and the outer rim of this flange 23 is provided with embossing lines 231, and can change for dialling.First end of this ratchet ring 20 extends internally and is provided with a stopper 24, and this stopper 24 partly is closed in combined hole 22.Second end of this ratchet ring 20 is protruding to be exposed to outside the casket end 13, and establishes a grooving 25 respectively in two ends, the suitable place of periphery, and this grooving 25 is communicated in combined hole 22.

This clip 30 generally is the elastomer of ㄇ type, and is made by metal wire rod, and two pinches 31 of this clip 30 are flat, and this clip 30 is located in the grooving 25 of ratchet ring 20 second ends, and makes in the protruding combined hole 22 that is exposed to ratchet ring 20 of two pinches 31.This clip 30 has at least two protruding protuberances 32 that are exposed to outside the grooving 25.

This ratchet drive mechanism 80 comprises that one is arranged at the ratchet piece 40 and the reversing switch 50 at wrench body 10 throats place in this preferred embodiment.And laterally be provided with one in the throat of wrench body 10 place for the ccontaining tank 14 of ratchet piece 40, and one for the ccontaining hole 15 of reversing switch 50, this hole 15 is interconnected with tank 14.

One end of this ratchet piece 40 is provided with several ratchets 41, and this ratchet 41 just can be meshing with each other with the ratchet 21 of ratchet ring 20.The other end of this ratchet piece 40 is provided with a recess 44, and the two ends of this recess 44 are formed with an end face 441,442 that tilts respectively.And be respectively equipped with a cambered

surface

42,43 in ratchet piece 40 both sides, this ratchet piece 40 just can be placed in the tank 14 of wrench body 10.

The surface extension of this reversing switch 50 is provided with a driving lever 51, and this driving lever 51 can conveniently be stirred for operator's hand.The suitable place of the periphery of this reversing switch 50 laterally is provided with one and holds hole 52, is respectively equipped with two

card divisions

53,54 on the both sides periphery in this appearance hole 52.This reversing switch 50 can be placed in the hole 15 of wrench body 10, and a shifting part 55 can be placed in the appearance hole 52 of reversing switch 50.And an elastomer 56 elastic top place in the appearance hole 52 of the tank 551 of shifting part 55 and reversing switch 50, thereby make this shifting part 55 produce flexible relative displacement with the appearance hole 52 of reversing switch 50.And these shifting part 55 overheads can reach the operation that drives 40 commutations of ratchet piece with shifting part 55 by operation reversing switch 50 in the recess 44 of ratchet piece 40.

Fig. 3 shows that further flange 23 blocks of these ratchet ring 20 first ends are in an edge of casket end 13.Please consult shown in Figure 4 simultaneously, this clip 30 of being located at ratchet ring 20 second ends has at least two protruding protuberances 32 that are exposed to outside the grooving 25, these protuberance 32 blocks are in the another side edge of casket end 13, thereby this ratchet ring 20 is able in the casket end 13 that rotating mode is incorporated into wrench body 10 and unlikelyly deviates from.And two pinches 31 of clip 30 are protruding to be exposed in the combined hole 22 of ratchet ring 20.

See also shown in Figure 5ly, an actuator 60 can be installed in the combined hole 22 of ratchet ring 20, the top of this actuator 60 is subjected to the block of stopper 24 and is unlikely by deviating from the combined hole 22.And the outer rim of actuator 60 is subjected to the clamping of clip 30 and is limited in the combined hole 22 of ratchet ring 20.Again actuator 60 is incorporated into spiral shell spare 70, when spiral shell spare 70 does not screw tight (that is required screw lock power is less) as yet, sees also shown in Figure 6ly, the user can dial the flange 23 that changes ratchet ring 20 first ends.Because of the external diameter of this flange 23 less, so but user's interlock actuator 60 when dialling this flange 23 of commentaries on classics rotates bigger angle, and screw lock spiral shell spare 70 very apace, being gripped on the low-angle that the shank 12 of wrench body 10 done compared to the user rotates, can significantly save down the required time of operation, improve operating efficiency relatively.

See also shown in Figure 7, when spiral shell spare 70 when screwing tight (that is required screw lock power is bigger), the user can be gripped on the shank 12 of wrench body 10.Because of

shank

12 and 11 on head have long arm of force, though so when switching wrench body 10, only turn a less angle, but can obtain bigger switching moment, and can powerful ground screw lock spiral shell spare 70, and positively spiral shell spare 70 is threaded into suitable tightness, manipulating quite convenient handyly, is one to have the design of progressive in fact.

According to above-mentioned explanation as can be known, the simple and easy solid clamp device of ratchet spanner of the present invention has more the effect of enhancement really than traditional structure, and this case is the design of a suitable tool industry applications really, now its advantage is discussed below:

(1) the simple and easy solid clamp device of a kind of ratchet spanner of the present invention, its clip of being located at ratchet ring second end have the dual-use function of the spacing and clamped tool of block.The flange block of this ratchet ring first end is in an edge of casket end, this is located at the another side edge of the clip block of ratchet ring second end in the casket end, thereby make the unlikely casket end that emerges in of this ratchet ring, and two pinches of this clip are protruding to be exposed in the combined hole of ratchet ring, its structural design is quite simple, assembling is one to have the design of industry applications in fact fast.

(2) the simple and easy solid clamp device of a kind of ratchet spanner of the present invention, one end of its ratchet ring is provided with flange, when required screw lock power hour, the user can be by dialling the commentaries on classics flange apace, and reach the purpose of quick screw lock spiral shell spare, when required screw lock power is big, the user can be gripped on the shank of wrench body, to obtain bigger switching moment, and can powerful ground screw lock spiral shell spare, the required time of operating can be significantly saved down in the operation of this two-part, having improved operating efficiency relatively, in fact is one to have the design of progressive.

Only the above, only be preferred embodiment of the present invention, when can not with qualification scope of the invention process, so the displacement of the change of numerical value or equivalent elements such as, or, all should still belong to the category that patent of the present invention contains according to equalization variation and modification that claims scope of the present invention is done.

Claims

1. the simple and easy solid clamp device of a ratchet spanner is characterized in that, includes:

One wrench body, it has head and shank, and its head is provided with a casket end, and installs a ratchet drive mechanism in the throat of wrench body;

One ratchet ring, it has first end and second end, the central authorities of this ratchet ring are provided with a combined hole, this ratchet ring is incorporated into the casket end of head in rotating mode, first end of this ratchet ring is provided with a flange, this flange block is in an edge of casket end, and second end of this ratchet ring is protruding to be exposed to outside the casket end, and is provided with the grooving that is communicated in combined hole more than in outer rim;

One clip, made by metal wire rod, it is incorporated into second end of ratchet ring, and block is in the another side edge of casket end, and the pinch of this clip is arranged at grooving and protruding being exposed in the combined hole.

2. the simple and easy solid clamp device of ratchet spanner as claimed in claim 1, wherein, two pinches of this clip are flat, so that two pinches can protrudingly be exposed in the combined hole of ratchet ring.

3. the simple and easy solid clamp device of ratchet spanner as claimed in claim 1, wherein, this clip has at least two protruding outer protuberances of ratchet ring that are exposed to.

4. the simple and easy solid clamp device of ratchet spanner as claimed in claim 1, wherein, an end of this ratchet ring extends internally and is provided with a stopper, and this stopper partly is closed in combined hole.

5. the simple and easy solid clamp device of ratchet spanner as claimed in claim 1, wherein, the throat of this wrench body place laterally is provided with a tank and a hole, and this positioning port and tank are interconnected, for installing a ratchet drive mechanism.

6. the simple and easy solid clamp device of ratchet spanner as claimed in claim 5, wherein, this ratchet drive mechanism includes a ratchet piece and that is arranged in the tank and is arranged at the interior reversing switch of positioning port, but this reversing switch interlock ratchet piece slides in tank, thereby makes wrench body have the function of commutation clip.

7. the simple and easy solid clamp device of ratchet spanner as claimed in claim 6, wherein, an end of this ratchet piece is provided with several ratchets, and the other end of this ratchet piece is provided with a recess, and is respectively equipped with a cambered surface in ratchet piece both sides.

8. the simple and easy solid clamp device of ratchet spanner as claimed in claim 6, wherein, the surface of this reversing switch is extended and is provided with a driving lever, and this driving lever can conveniently be stirred for operator's hand, and the suitable place of the periphery of this reversing switch laterally is provided with one and holds the hole.

9. the simple and easy solid clamp device of ratchet spanner as claimed in claim 8, wherein, one shifting part and an elastomer can be arranged in the appearance hole of reversing switch, this shifting part top is formed in the recess of ratchet piece, can reach the operation that drives the commutation of ratchet piece with shifting part by the operation reversing switch.