CN1877151A

CN1877151A - Improved ratchet drive mechanism

Info

Publication number: CN1877151A
Application number: CN 200510076115
Authority: CN
Inventors: 徐日雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-08
Filing date: 2005-06-08
Publication date: 2006-12-13
Anticipated expiration: 2025-06-08
Also published as: CN100381724C

Abstract

The invention relates to an improved pallet device, whose clamper is axially arranged inside the container of second end of first main body; the controller can selectively be contacted with the dial block of first end, to make the tooth of second end swing inwards to avoid meshing the tooth of second main body. The invention has simple structure, low cost, and easy application; there are several teeth meshed, when the clamper and the second main body are clamped, to obtain better mesh effect, to effectively bear high torsion, without slide or breakage between them.

Description

The ratchet drive mechanism of improvement

Technical field

The present invention relates to a kind of ratchet drive mechanism of improvement.

Background technique

Along with development of science and technology and progress, people to the requirement of things also from the old thinking of " can with all right ", suitable exquisiteness and requirement become, have the conception of continuous progress or innovation only, produce new form to improve the surcharge of product, and effectively reduce cost, could under the test of Market competition, survive.

No. 369979 " ratchet drives mechanism " patent case of TW Announcement Number, it provides a kind of ratchet drives mechanism, its pin joint seat 13 1 sides have two saturating laterally empty slots 15, insert a pallet 16 in this two slot 15 respectively, this two pallet 16 is also outwards pushed against with the tooth portion 34 of clip in combination 3 by a spring 17 of being located in the slot 15 respectively.During tooth portion 34 clips of right its pallet 16 and combination 3 single tooth engagement only being arranged, is not to be multiple tooth engagement, and the profile of tooth of the profile of tooth of pallet 16 and tooth portion 34 also misfits, and pallet 16 can't be engaged in tooth portion 34 fully, easily causes the wearing and tearing of pallet 16 and tooth portion 34.Importantly, the poor effect of pallet 16 and 34 engagements of tooth portion, seriously have influence on the clip power that it can bear, if when bearing high torsion switching, 34 in pallet 16 and tooth portion very easily produce skids or collapses tooth, and then causes fault, and it only can bear little torsion switching, do not meet the professional person and use, not handy, practical.The many disadvantages that this existing ratchet drives mechanism is derived has in fact and is researched and developed the necessity that improves.

Therefore, the present invention's problem of wanting to get rid of or alleviating prior art at least and met with.

Summary of the invention

The objective of the invention is to overcome the deficiencies in the prior art and defective, a kind of ratchet drive mechanism of improvement is proposed, the technical problem of its desire solution only has single tooth engagement when being the tooth portion clip of the pallet of existing structure and combination, be not to be multiple tooth engagement, and the profile of tooth of the profile of tooth of pallet and tooth portion also misfits, pallet can't be engaged in tooth portion fully, easily causes the wearing and tearing of pallet and tooth portion.Importantly, the poor effect of pallet and the engagement of tooth portion, seriously influence the clip power that it can bear, if when bearing high torsion switching, very easily produce between pallet and tooth portion and skid or collapse tooth, and then cause fault, it only can bear little torsion switching, do not meet the professional person and use, not handy, practical.

For reaching above-mentioned purpose, the invention provides a kind of ratchet drive mechanism of improvement, it comprises: one first body, the one end is provided with two holding parts; One second body, the one end ring is provided with tooth, and is hubbed at an end of first body rotationally; Two holding pieces, it includes first end and second end, and first end of this two holding piece is hubbed at the holding part of first body, and second end of this two holding piece is provided with tooth, and is engageable in the tooth of second body; One control piece, it is located at first body rotationally, and this control piece optionally pushes against first end of holding piece, and the tooth of holding piece second end is separated with the tooth of second body, and can limit the relation that relatively rotates between first body and second body.

The ratchet drive mechanism of improvement provided by the invention, its holding piece is hubbed in the holding part of first body, second end, this control piece optionally pushes against the shifting block of holding piece first end, make pivot pendulum in the teeth directional of holding piece second end and can't be engaged in the tooth of second body, structural design is quite simple, not only can reduce producing cost, more can assemble fairly good usefulness, practicality fast.And there are several teeth to be meshing with each other when its holding piece and the second body clip, the engagement effect of two between cog is preferable, promoted the clip power that ratchet drive mechanism can bear significantly, can effectively bear high torsion switching, and can't produce between the holding piece and second body and skid or collapse tooth, meet professional person's user demand, fairly good usefulness, practicality in fact are one to have the design of industry applications and progressive.

Other purpose, advantage and novel characteristics of the present invention will make it more obvious from the following detailed description and related drawings.

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 part sectional view of the present invention;

Fig. 4 is a sectional elevation of the present invention, and the table control piece is positioned at primary importance;

Fig. 5 is the continuity of Fig. 4, and the table control piece is positioned at the second place;

Fig. 6 is the continuity of Fig. 5, and the table control piece is positioned at the 3rd position;

Fig. 7 is the three-dimensional exploded view of second embodiment of the invention.

Symbol description among the figure

10 ratchet drive mechanisms, 20 first bodies, 21 first ends

22 second ends, 23 grabs, 24 holding parts

241 grooves, 242 projections 243 hold the spring groove

25 bolts, 26 perforation, 27 elastomers

28 positioning devices, 29 blocks, 30 second bodies

31 first ends, 32 second ends, 33 teeth

34 draw-in grooves, 35 screws, 40 holding pieces

41 pivot portions, 411 depressions, 412 shifting blocks

42 teeth, 50 control pieces, 51 grooves

52 draw-in grooves, 53 control flumes, 60 handles

27 ' elastomer

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, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.

With reference to Fig. 1 and Fig. 2, first embodiment according to the invention, this ratchet drive mechanism 10 includes one first body 20, one second body 30, two holding pieces 40 and a control piece 50.Second body 30 is located at an end of first body 20 rotationally, and this two holding piece 40 is hubbed at an end of first body 20, and is subjected to 50 controls of this control piece of being located at first body, 20 outer rims and optionally limits the rotation of second body 30.

First body 20 includes first end 21 and second end 22, and this first end 21 can supply handle 60 combinations, on this first end and be provided with grab 23 and deviate to prevent handle 60.The outer rim of this second end 22 is provided with two holding parts 24, is provided with a card division in this holding part 24, and this card division is made of the groove 241 of a tool projection 242, and the sidewall of this holding part 24 also is provided with an appearance spring groove 243.The outer rim of this second end 22 more is provided with a location device 28 and a block 29.

Second body 30 includes first end 31 and second end 32, and this first end 31 is provided with a containing space that can be placed on first body, 20 second ends 22, is equipped with tooth 33 in this containing space.This second end 32 is provided with can be for the draw-in groove 34 of instrument plant.Can utilize a bolt 25 to be arranged in the perforation 26 of first body 20 and be screwed in the screw 35 of being located at second body 30, so that first end 31 of second body 30 is hubbed at second end 22 of first body 20.

Holding piece 40 includes first end and second end, this first end is provided with the pivot portion 41 corresponding to the card division, simultaneously with reference to Fig. 3, this pivot portion 41 also is provided with depression 411 corresponding to projection 242, so that first end of holding piece 40 is hubbed at the holding part 24 of first body 20, this pivot portion 41 also is provided with a shifting block 412, these shifting block 412 protruding being exposed to outside the holding part 24.This second end is provided with several teeth 42, and establishes an elastomer 27 in the appearance spring groove 243 of second end and first body 20, and is engageable in the tooth 33 of second body 30 to push against these several teeth 42.

Control piece 50 is located at second end 22 of first body 20 rotationally, and the inner edge of this control piece 50 is provided with groove 51, a draw-in groove 52 and two control flumes 53 corresponding to holding piece 40 shifting blocks 412 corresponding to positioning device 28 corresponding to block 29.

Fig. 4 shows when control piece 50 is positioned at primary importance, the sidewall of these control piece 50 one control flumes 53 pushes against in the shifting block 412 of one holding piece 40 first ends, make the inside pivot pendulum of second end of this holding piece 40, the tooth 42 of these holding piece 40 second ends also can't be engaged in the tooth 33 of second body 30.And another control flume 53 of this control piece 50 does not push against the shifting block 412 in another holding piece 40, so the tooth 42 of this another holding piece 40 is engaged in the tooth 33 of second body 30, at this moment, this first body 20 can be done clockwise idle running with respect to second body 30.

It should be noted that, there are several teeth to be meshing with each other when this holding piece 40 and second body, 30 clips, the engagement effect of two between cog is preferable, promoted the clip power that ratchet drive mechanism 10 can bear significantly, can effectively bear high torsion switching, and can't produce between the holding piece and second body and skid or collapse tooth, meet professional person's user demand, fairly good usefulness, practicality.

Fig. 5 shows when control piece 50 is positioned at the second place that two control flumes 53 of this control piece 50 all do not push against the shifting block 412 in holding piece 40, and the tooth 42 of these two holding pieces, 40 second ends is butted and be engaged in the tooth 33 of second body 30 by 27 on elastomer.At this moment, this first body 20 can't produce relative rotation relation with second body 30.

Fig. 6 shows when control piece 50 is positioned at the 3rd position, the sidewall of these control piece 50 another control flumes 53 pushes against in the shifting block 412 of another holding piece 40 first ends, make the inside pivot pendulum of second end of this holding piece 40, the tooth 42 of these holding piece 40 second ends also can't be engaged in the tooth 33 of second body 30.And the one control flume 53 of this control piece 50 does not push against the shifting block 412 in one holding piece 40, so the tooth 42 of this one holding piece 40 is engaged in the tooth 33 of second body 30, at this moment, this second body 30 can be done anti-clockwise idle running with respect to first body 20.

Fig. 7 shows second embodiment of the present invention, second embodiment is identical with first embodiment, difference is elastomer 27 ' change is made as by plate bending and forms, 33, the second effects that embodiment reached of tooth that the tooth 42 of this elastomer 27 ' can push against equally holding piece 40 second ends is engaged in second body 30 are same as first embodiment.

Can summarize the present invention with regard to the above and have following advantage:

1. the ratchet drive mechanism of improvement of the present invention, its holding piece is hubbed in the holding part of first body, second end, this control piece optionally pushes against the shifting block of holding piece first end, make pivot pendulum in the teeth directional of holding piece second end and can't be engaged in the tooth of second body, structural design is quite simple, not only can reduce producing cost, more can assemble fairly good usefulness, practicality fast.

2. the ratchet drive mechanism of improvement of the present invention, there are several teeth to be meshing with each other when its holding piece and the second body clip, the engagement effect of two between cog is preferable, promoted the clip power that ratchet drive mechanism can bear significantly, can effectively bear high torsion switching, and can't produce between the holding piece and second body and skid or collapse tooth, meet professional person's user demand, fairly good usefulness, practicality.

The above, only be preferred embodiment of the present invention, when can not with the scope of qualification 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 of the present invention are done.

Claims

1. the ratchet drive mechanism of an improvement is characterized in that, comprising:

One first body, the one end is provided with two holding parts;

One second body, the one end ring is provided with tooth, and is hubbed at an end of first body rotationally;

Two holding pieces, it includes first end and second end, and first end of this two holding piece is hubbed at the holding part of first body, and second end of this two holding piece is provided with tooth, and is engageable in the tooth of second body;

One control piece, it is located at first body rotationally, and this control piece optionally pushes against first end of holding piece, and the tooth of holding piece second end is separated with the tooth of second body, and can limit the relation that relatively rotates between first body and second body.

2. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, the end in addition of this first body is provided with grab and can supplies the handle combination.

3. the ratchet drive mechanism of improvement as claimed in claim 1 wherein, is provided with a card division in this holding part, and this card division can be for the pivot portion combination of being located at holding piece first end.

4. the ratchet drive mechanism of improvement as claimed in claim 3, wherein, this card division is made of the groove of a tool projection, and this pivot portion is provided with the depression corresponding to projection.

5. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, but the sidewall of this holding part is provided with the ccontaining appearance spring groove of an ammunition feed gonosome.

6. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, the outer rim of this this second end more is provided with a location device and a block.

7. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, the end in addition of this second body is provided with the draw-in groove that can plant for instrument.

8. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, first end of this holding piece is provided with a shifting block, and this shifting block can push against for the control flume of being located at control piece.

9. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, this shifting block is protruding to be exposed to outside the holding part.

10. the ratchet drive mechanism of improvement as claimed in claim 1, wherein, second end of this holding piece is provided with several teeth.