CN2368658Y - Structure and device for one way ratchet for hand tools - Google Patents

Abstract

The utility model relates to a structure device of a one-way ratchet wheel for hand tools. The utility model is provided with a driving grab handle. A containing space is arranged in the driving grab handle. A main driving head and an auxiliary driving head are pivoted in the containing space, and are respectively provided with a main plate and an auxiliary plate, and the main plates keep a distance with the auxiliary plates. Each auxiliary plate is circularly provided with ratchets. The interior of the containing space is provided with a reverse ratchet ring which corresponds to the ratchets of the auxiliary plates. The main driving head clamps the ratchet ring and the ratchets of the auxiliary plates by an abutting surface of an elastic element which is positioned above the ratchet ring. The elastic element pushes off the main plates, and the main plates keep a distance with the ratchet ring. The ratchets of the auxiliary plates are clamped with the ratchet ring in the driving grab handle. The main driving head can run idle in the single direction, and reversely clamp and drive objects to be turned. The auxiliary driving head can reversely run idle, and clamp and drive objects to be turned in the single direction.

Description

The constructional device of hand-held tool single direction ratchet

The utility model system is relevant with hand-held tool, more detailed it, refer to the constructional device of the hand-held tool single direction ratchet that a kind of torsion is strong, the life-span is grown especially.Belong to small tool.

At present, be applied to spanner with ratchet structure, bottle opener, sleeves etc. are common structural form, it is not outer just to be, counter-rotating reverse driving head, hand-held tool is applied in a flexible way more, as shown in Figure 1, it is a driving spanner 10, include a circle frame 11, articulate a handle ratchet wheel 12 in the circle frame 11, and there is a driving head 13 handle ratchet wheel 12 bottom surfaces, in circle frame 11, locate the clamping block that to be partial to 14 in addition, there is latch 141 clamping block 14 both sides, 142, there are two grooves 143 end side, 144, articulate a turn-button 15 in circle frame 11 centers, turn-button 15 location one spring 151 and steel balls 152, steel ball 152 can be gone in the groove 143 or another groove 144 of clamping block 14, when reversing this turn-button 15, this steel ball 152 is gone in the groove 144 of clamping block 14, make clamping block 14 right bank, left side latch 142 is stuck in handle ratchet wheel 12, because latch 142 tools one oblique angle, this ratchet 12 direction as shown in the figure reverses, promptly dally, driving head 13 can be driven need clockwise direction thing to be changeed, in the same manner with turn-button 15 inclined to one side another angles, steel ball 152 is gone in the groove 143, this latch 141 is equipped in handle ratchet wheel 12, this handle ratchet wheel 12, driving head 13 can only be done clockwise direction idle running, and this is the mode of inner ratchet wheel type;

As shown in Figure 2, it is a spanner 20, has a circle frame 21, articulate an outer ratchet 22 in the circle frame 21, outer ratchet 22 has ratchet for the outside, there is a driving head 23 in outer ratchet 22 central authorities, driving head 23 has an elastic steel ball 231, for sleeve location, in spanner 20 neck location one fastening convex side 24 is arranged, fastening convex side 24 is a circular arc-like block, all there is the card angle 241 of nearly 90 degree both sides, 242, there are two grooves 243 end side, 244, spanner 20 relative these grooves 243, there is a slotted eye 25 244 positions, in go into a spring 26 and steel ball 27, make steel ball 27 tool elastic top sincere in the groove 243 or the groove 244 of fastening convex side 24, when hand is pushed fastening convex side 24 and is Right deviation, can rise location and being stuck on the outer ratchet 22, the card angle 242 in left side, should can only do the clockwise direction idle running of direction as shown in the figure by outer ratchet 22, and can't reverse, can make counterclockwise driving thing to be changeed with driving head 23, in the same manner when fastening convex side 24 is "Left"-deviationist, card angle 241 is equipped on the outer ratchet 22, and this outer ratchet 22 can only be done idle running counterclockwise;

The device of relevant ratchet, not outer is that device one fastening convex side is just being controlled, backward rotation, so this control mode easily produces following disappearance:

One. this clamping block 14,24 of fastening convex sides are done blocking with one to number latch 141, card angle 241 and are moved, and it is limited that it bears torsion, when torsion is excessive, damages clamping block 14 and fastening convex side 24 easily;

Two. the life-span is not long: when ratchet uses a period of time, owing to the wearing and tearing to ratchet such as clamping block 14, fastening convex side 24, and clamping block 14, fastening convex side 24 are had great damage, cause the angle at latch 141, card angle 241 incorrect, can't bring into play card ends function;

Three. assemble complexity of each spare and accessory parts process, each spare and accessory parts easily produces fault;

Four. these spanner 10,20 heads need be adorned each spare and accessory parts, and ratchet is the circumference formula, and are must area bigger, cause and cause head area or volume often bigger, inconvenient operation.

Main purpose of the present utility model is: a kind of constructional device of hand-held tool single direction ratchet is provided, and it can improve the torsion several times, and do not need clamping block and control to turn-button, just can do, pair driving heads of reverses, its life-span is long, and volume is little.

The constructional device of a kind of hand-held tool single direction ratchet of the utility model, it is a driving lever, drive in the lever and establish an accommodation space, articulate the major and minor driving head that combines in the accommodation space, each tool one mainboard of major and minor driving head, subplate, and mainboard and subplate have a preset distance, wherein be equipped with ratchet on this subplate, set firmly a reverse ratchet ring and have in the accommodation space of driving lever, the ratchet of this ratchet ring and subplate is a relative position, and this main driving head is replaced and the ratchet of blocking ratchet ring and subplate by a flexible member that is positioned the ratchet ring top; In view of the above, strut mainboard and ratchet ring one distance, with the ratchet ring blocking mutually in the ratchet that makes subplate and the lever with this flexible member, this main driving head can dally by single direction, oppositely blocking drives thing to be changeed, and secondary driving head can be done reverse idle running, and the single direction blocking drives thing to be changeed;

Wherein, this driving lever can be a spanner, and accommodation space is positioned at the head position of spanner, and this flexible member is a spring;

Wherein, this main driving head is cap shape, and sidewall is provided with a perforation, this pair driving head has a column can go in the main driving head, establish a locating hole in the column, go into this locating hole and perforation with a spring, steel ball, steel ball can make major and minor driving head combine and locate for sleeve;

Wherein, establish an accommodation space in this driving lever, run through and articulate the main bottle opener of one, secondary bar in the accommodation space, main bottle opener tool one stop block, location one subplate in the accommodation space, be equipped with ratchet on the subplate, and a reverse ratchet ring is placed in the ratchet top, sets firmly ring tube on the ratchet ring, a lower toroidal ring tube is placed in the subplate below, upward ring tube, lower toroidal ring tube periphery are round, and interior week is the polygonal limit, and place a flexible member on this ratchet; In view of the above, with ratchet in accommodation space and the rotation of can beating, and flexible member is executed elastic force in ratchet, with the ratchet and ratchet ring blocking mutually that makes subplate, this main bottle opener can dally by single direction, and oppositely blocking drives thing to be changeed, and other extracts main bottle opener out and is inserted in driving lever bottom, main bottle opener can be done reverse idle running, and the single direction blocking drives thing to be changeed;

Wherein, this accommodation space is located at the middle position that drives lever approximately, and this driving lever to be two major and minor levers combine, and convex with combined block in the secondary lever to locate subplate, can not reverse.

Wherein this driving lever two articulates the head of can transferring, head is a circular framework, head articulates the major and minor sleeve of one, each tool one mainboard of major and minor sleeve, subplate, be equipped with ratchet on this subplate, and the head bottom surface is provided with reverse ratchet ring with respect to the ratchet position, and the mainboard that head top surface is located a shell fragment and master collet is contact mutually; In view of the above, strut mainboard and ratchet ring one distance with this shell fragment, with the ratchet ring blocking mutually with head of the ratchet that makes subplate, this master collet can single direction idle running, and oppositely blocking drives thing to be changeed, and secondary sleeve can be done reverse idle running, and the single direction blocking drives thing to be changeed.

The utlity model has following advantage:

One. the blocking of ratchet, the blocking of non-single or several ratchets and clamping block, but the blocking of comprehensive ratchet and ratchet ring are so each ratchet is all used the known several times of the strong mistake of its torsion simultaneously;

Two. need known control to mechanism's clamping block, not having bursts apart damages the situation generation;

Three. prolong service life;

Four. the utility model utilize stinging of the flank of tooth and the flank of tooth and, except that increasing torsion, also relatively reduce ratchet and outwards expand area, thereby can lower volume, known ratchet is the perimetric pattern ratchet, needing increases ratchet thickness, relatively its volume is big;

Five. the utility model is two driving heads, can do single commentaries on classics, counter-rotating, and is easy to operate.

The utlity model has following accompanying drawing:

Fig. 1 is the generalized section of known ratchet spanner.

Fig. 2 is the generalized section of another known ratchet spanner.

Fig. 3 is applied to the perspective exploded view of driving head for the utility model.

Fig. 4 is applied to the generalized section of driving head for the utility model.

Fig. 5 is applied to the generalized section of its idle running of driving head for the utility model.

Fig. 6 is applied to the schematic perspective view of driving head for the utility model.

Fig. 7 is applied to the generalized section of bottle opener for the utility model.

Fig. 8 is applied to bottle opener for the utility model, with the counter generalized section of inserting lever of bottle opener.

Fig. 9 is the 9-9 generalized section of Fig. 7.

Figure 10 is applied to the floor map of two-way sleeve for the utility model.

Number in the figure is as follows:

10. drive spanner 11. circle frames 12. handle ratchet wheels

13. driving head 14. clamping blocks 141. latches

142. latch 143. grooves 144. grooves

15. turn-button 151. springs 152. steel balls

20. spanner 21. circle frames 22. outer ratchets

23. driving head 231. elastic steel balls 24. fastening convex sides

241. 242. card angles, card angle, 243. grooves

244. groove 25. slotted eyes 26. springs

27. steel ball 30. drives lever 31. heads

32. accommodation space 33. ratchet rings 34. flexible members

35. main driving head 351. mainboards 352. steel balls

353. spring 354. perforation 36. secondary driving heads

361. subplate 362. springs 363. steel balls

364. ratchet 365. columns 366. locating holes

40. drive lever 41. king levers 42. secondary levers

43. ring tube on accommodation space 44. ratchet rings 441.

442. lower toroidal ring tube 45. main bottle opener 451. stop blocks

46. secondary bar 461. subplates 462. ratchets

463. combined block 47. flexible members 50. levers

51. head 511. ratchet rings 52. master collets

521. mainboard 53. secondary sleeve 531. subplates

532. ratchet 54. shell fragments

Now in conjunction with the embodiments and conjunction with figs. be described as follows:

At first, see also Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, the constructional device of a kind of hand-held tool single direction ratchet of the utility model, it is a driving lever 30, driving lever 30 has the head 31 of a circular frame, one accommodation space 32 is arranged in the head 31, establish a ratchet ring 33 in this accommodation space 32, the ratchet of ratchet ring 33 is down oblique, articulate a main driving head 35 and a secondary driving head 36 in this accommodation space 32, main driving head 35 is the capful body, sidewall has a perforation 354, there is a mainboard 351 its below, there is a column 365 secondary driving head 36 tops, one locating hole 366 is arranged on the column 365, there is a subplate 361 on its side side, be equipped with ratchet 364 on the subplate 361, and ratchet 364 is oppositely relative with ratchet ring 33, main driving head 35 is put column 365 in secondary driving head 36, with spring 353, steel ball 352 is pressed into perforation 354 and locating hole 366, steel ball 352 slightly protrudes from outside the perforation 354, and it is movable between perforation 354 and locating hole 366, main driving head 35 is combined with secondary driving head 36 not to break away from, and insert a flexible member 34 between ratchet ring 33 upper surfaces and mainboard 351 bottom surfaces, flexible member 34 is a spring, mainboard 351 and ratchet ring 33 can be strutted a segment distance, make ratchet 364 and ratchet ring 33 blocking mutually on the subplate 361, the steel ball 363 that the steel ball 352 that has spring 353 and abutment sleeve to use in this main driving head 35, secondary driving head 36 also have spring 362 and elastic displacement location to use;

By above-mentioned textural association, the constructional device of a kind of hand-held tool single direction ratchet of the utility model, as above embodiment, this driving lever 30 is general spanner kenel, the ratchet 364 of subplate 361 is fastened with the ratchet ring 33 that drives in the lever 30, because ratchet 364 is relative reverse with ratchet ring 33, each tooth is an oblique angle, so this main driving head 35 can only be made the orientation shown in Fig. 3 and dally clockwise, main driving head 35 can drive a thing to be changeed counterclockwise; In the same manner, this pair driving head 36 is combined as a whole with main driving head 35, so with main driving head 35 consistent turning to, to drive lever 30 turns upside down, put thing to be changeed with secondary driving head 36, can do the driving reverse with main driving head 35, the utility model does not need other control to mechanism, and be comprehensive ratchet 364 and ratchet ring 33 blockings, relatively its torsion improves;

The utility model can this version and is applied to screwdriver, as Fig. 7, shown in Figure 9, it is a driving lever 40, this driving lever 40 combines for 42 liang with secondary lever with king lever 41, drive lever 40 interior interpositions and be equipped with an accommodation space 43, combined block 463 location one subplate 461 is arranged in this accommodation space 43, subplate 461 location can not be reversed, there is perforation in subplate 461 central authorities, subplate 461 upper surfaces are ratchet 462, place a ratchet ring 44 on the ratchet 462, its ratchet is oblique towards the below, ratchet ring 44 about middle positions extend upward ring tube 441, last ring tube 441 peripheries are circular, interior is polygonal holes, go up relatively in the secondary lever 42 of ring tube 441 positions and wear a lower toroidal ring tube 442, lower toroidal ring tube 442 bodies are identical with last ring tube 441, and in king lever 41, the last ring tube 441 of secondary lever 42, wear a main bottle opener 45 in the lower toroidal ring tube 442, secondary bar 46, main bottle opener 45 is an one with secondary bar 46, one stop block 451 is arranged on the main bottle opener 45, main bottle opener 45, secondary bar 46 peripheries are polygonal and last ring tube 441, all shapes together in the lower toroidal ring tube 442, when main bottle opener 45, when secondary bar 46 rotates, last ring tube 441, lower toroidal ring tube 442 changes in the lump, one flexible member 47 is set on ratchet ring 44, and flexible member 47 is a spring, so that ratchet ring 44 has the space of elastic moderation;

This main bottle opener 45 can be done the idle running of single direction and reverse driving, when driving is waited to change thing, the blocking and motionless mutually of ratchet 462 and ratchet ring 44, stop block 451 can be butted on ring tube 441 end faces, when main bottle opener 45 dallies, this ratchet ring 44 is rotation, and summary bob, if need in addition to counter-rotating, then with main bottle opener 45, secondary bar 46 is extracted out by driving in the lever 40, as shown in Figure 8, again with main bottle opener 45, secondary bar 46 is inserted by the below that drives lever 40, make main bottle opener 45 be positioned at secondary lever 42, secondary bar 46 is positioned at king lever 41, this main bottle opener 45 can be one with the reverse idle running of Fig. 7 and the driving of single direction;

As shown in figure 10, be a pair of drive sleeve lever 50, lever 50 two articulate the head 51 that can transfer, head 51 has a circular framework, head 51 bottom surfaces are ratchet ring 511, articulate master collet 52 and the secondary sleeve 53 that integrally combines in the head 51, master collet 52 is provided with a mainboard 521, and secondary sleeve 53 is provided with a subplate 531, and subplate 531 tops are equipped with ratchet 532, ratchet 532 is oppositely relative with ratchet ring 511, between above mainboard 521 and the head 51, be provided with a shell fragment 54, can make ratchet 532 and ratchet ring 511 blocking mutually, and make master collet 52 can do unidirectional idle running and reverse rotation, secondary sleeve 53 then with master collet 52 reciprocal idle running and rotations.

Claims (6)

1. the constructional device of a hand-held tool single direction ratchet, it is characterized in that: it is a driving lever, establish an accommodation space in this driving lever, articulate the major and minor driving head that combines in the accommodation space, each tool one mainboard of major and minor driving head, subplate, and mainboard and subplate have a distance, wherein be equipped with ratchet on this subplate, and set firmly a reverse ratchet ring in the accommodation space of driving lever, the ratchet of this ratchet ring and subplate is a relative position, and this main driving head is replaced and the ratchet of blocking ratchet ring and subplate by a flexible member that is positioned the ratchet ring top.

2. according to the constructional device of the described a kind of hand-held tool single direction ratchet of claim 1, it is characterized in that: wherein, this driving lever can be a spanner, and accommodation space is positioned at the head position of spanner, and this flexible member is a spring.

3. according to the constructional device of the described a kind of hand-held tool single direction ratchet of claim 1, it is characterized in that: wherein, this main driving head is cap shape, sidewall is provided with a perforation, this pair driving head has a column to go in the main driving head, establish a locating hole in the column, go into this locating hole and perforation with a spring, steel ball.

4. according to the constructional device of the described a kind of hand-held tool single direction ratchet of claim 1, it is characterized in that: run through and articulate the main bottle opener of one, secondary bar in the accommodation space of this driving lever, main bottle opener tool one stop block, location one subplate in the accommodation space, be equipped with ratchet on the subplate, and a reverse ratchet ring is placed in the ratchet top, set firmly ring tube on the ratchet ring, a lower toroidal ring tube is placed in the subplate below, upward ring tube, lower toroidal ring tube periphery are round, interior week is the polygonal limit, places a flexible member on this ratchet.

5. according to the constructional device of the described a kind of hand-held tool single direction ratchet of claim 4, it is characterized in that: wherein, this accommodation space is located at the middle position that drives lever, and this driving lever to be two major and minor levers combine, and convex with combined block in the secondary lever.

6. according to the constructional device of the described a kind of hand-held tool single direction ratchet of claim 1, it is characterized in that: this driving lever two articulates the head of can transferring, head is a circular framework, head articulates the major and minor sleeve of one, each tool one mainboard of major and minor sleeve, subplate, be equipped with ratchet on this subplate, and the head bottom surface is provided with reverse ratchet ring with respect to the ratchet position, the mainboard that head top surface is located a shell fragment and master collet is contact mutually.

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