CN100404902C

CN100404902C - Ratchet drive device

Info

Publication number: CN100404902C
Application number: CNB2005100761130A
Authority: CN
Inventors: 徐日雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-06-08
Filing date: 2005-06-08
Publication date: 2008-07-23
Anticipated expiration: 2025-06-08
Also published as: CN1877153A

Abstract

The present invention relates to a ratchet drive device. Two clamping components are arranged between a main body and a drive component, wherein when the clamping components are positioned at a second position, the drive component can not be separated from the main body; when the clamping components are positioned at a first position, the drive component can be separated from the main body; if the present invention needs repairing or replacing parts because of failure, the drive component can be easily separated from the main body. The assembly and the disassembly of the ratchet drive device are rather simple and reliable, the firm combination of the main body and the drive component does not need any screw so that the strength of the assembling structure can be greatly increased, holes of the main body and the drive component can be designed in a through shape for inserting long tool heads or double-ended tool heads, and applicable screwdriver types are added. Therefore, the present invention has the advantages of easy use and practicability.

Description

Ratchet drive device

Technical field

The present invention relates to a kind of ratchet drive device.

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, a kind of ratchet drives mechanism is disclosed, the online axis hole 11 that runs through top and bottom ends that is provided with of the axle of its body 1, its combination 3 is provided with the screw corresponding to axis hole 11, the screw of being located at combination 3 with screw 31 spiral shells that pass axis hole 11 that combines of

body

1 and 3 of combinations makes combination 3 be hubbed at body 1.Owing to be located at the central authorities of body 1 and combination 3 in conjunction with screw 31 spiral shells, so only can plant for the head of screwdriver 41 of short size in the belled part 33 of combination 3, and can't plant for long size or double elevator head, significantly limited the head of screwdriver type that can be suitable for, not handy, practical.And if because of using not even the ground of dropping; screw 31 must bear

body

1 and 3 moment shearings that produced of combination; regular meeting causes the destruction of screw 31 or fracture and fault; this fracture and the screw that residues in combination 3 screws be difficult for to take out; more increased the degree of difficulty of maintenance, and dangerous, reliable.

For improving the shortcoming of above-mentioned existing structure, can utilize a C type to buckle and be located between body and combination, to reach the purpose that combination is hubbed at body.Yet this package assembly promptly can't be dismantled after combination, is hidden between body and combination because the C type is buckled, and there is no method maintenance or renewal part if break down, and buys new product after it can only being thrown aside, and the economic benefit of product is lower, and does not meet the demand of industry.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 device is proposed, the technical problem that its desire solves is, existing ratchet drives mechanism utilizes the screw spiral shell to be located at the central authorities of body and combination, so this combination only can be planted for the head of screwdriver of short size, and can't plant for long size or double elevator head, significantly limited the head of screwdriver type that can be suitable for, not handy, practical.And if because of using not even the ground of dropping, regular meeting causes screw to be subjected to the destruction of shearing or fracture and fault, this fracture and the screw that residues in the combination screw in is difficult for taking out has more increased the degree of difficulty that keeps in repair, and dangerous, reliable.

For reaching above-mentioned purpose, the invention provides a kind of ratchet drive device, it comprises a body, the one end is provided with a ratchet drive mechanism and two draw-in grooves; One actuator, the one end is provided with a joining hole, and this joining hole is incorporated into body rotationally, and ring is established a Ka Gou in this joining hole; Two fasteners, it is located in the draw-in groove of body, and optionally be fastened in the card ditch of actuator, when this fastener is positioned at primary importance, fastener does not snap in the Ka Gou of actuator, and actuator is separable in body, when this fastener is positioned at the second place, fastener snaps in the card ditch of actuator, makes actuator can firmly be hubbed at body; One bounding means, it is located at body, and this bounding means restriction fastener only can be positioned at the second place and can't change to primary importance.Owing to be provided with two fasteners between its body and actuator, when this fastener is positioned at the second place, this actuator can't be located away from body, when this fastener is positioned at primary importance, this actuator is separable in body, when desire maintenance or renewal part, promptly this actuator can be located away from body easily if produce fault, the assembling of this ratchet drive device with disassemble all quite simple, reliable.And body must not used any screw fully with firm combination of actuator, significantly improved the intensity of package assembly, and make the hole of body and actuator can be made as penetration state, tool head or double head tool head for long size are planted, increased the head of screwdriver type that can be suitable for, 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 part front elevation of the present invention;

Fig. 5 is a top view of the present invention, and the expression fixed block is the state of packing not;

The sectional view of Fig. 6 for being got along the 6-6 line of Fig. 5;

Fig. 7 is a top view of the present invention, the state of expression fixed block packing;

The sectional view of Fig. 8 for being got along the 8-8 line of Fig. 7;

Fig. 9 is the sectional view of second embodiment of the invention.

Symbol description among the figure

10 ratchet drive devices, 20 bodies, 21 first ends

22 second ends, 23 grabs, 24 ratchet drive mechanisms

25 draw-in grooves, 251 depressions, 26 holes

30 actuators, 31 first ends, 32 second ends

33 joining holes, 34 teeth, 35 Ka Gou

36 holes, 37 elastomers, 40 fasteners

41 grabs, 50 bounding meanss, 60 fixed blocks

61 perforation, 62 holes 63 indicate mark

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, this ratchet drive device 10 includes a body 20, an actuator 30, two fasteners 40 and a bounding means 50.This actuator 30 is located at an end of body 20 rotationally.This fastener 40 is located at 30 of body 20 and actuators, so that actuator 30 can firmly be hubbed at body 20.Bounding means 50 is located at body 20, in order to the displacement of restriction fastener 40.

Body 20 includes first end 21 and second end 22, and this

first end

21 and 22 at second end are formed with class's drop.The outer rim of its first end 21 is provided with can be for the handle grab 23 of engaging of planting, and its second end 22 is provided with a ratchet drive mechanism 24 and two draw-in grooves 25, and this two draw-in groove 25 is away from an end of first end 21 and be formed with the depression 251 of an arc.This body 20 also is provided with a hole 26 of axially running through body 20.

Actuator 30 includes first end 31 and second end 32, its first end 31 is provided with a joining hole 33, this joining hole 33 is incorporated into second end 22 of body 20 rotationally, and is provided with an elastomer 37 in

body

20 and 30 of actuators, is equipped with a tooth 34 and a card ditch 35 in this joining hole 33.Second end 32 of this actuator 30 is provided with one can be for the hole 36 of tool head plant.

Fastener 40 is located in the draw-in groove 25 of body 20 second ends 22, and an end of this fastener 40 is provided with a grab 41, and this grab 41 is located at the depression 251 of draw-in groove 25 relatively.With reference to Fig. 3 and Fig. 4, when this fastener 40 was positioned at primary importance, the grab 41 of fastener 40 sank in the depression 251 of draw-in groove 25, did not snap in the card ditch 35 of actuator 30 first ends 31 simultaneously, and actuator 30 is separable in body 20.When this fastener 40 was positioned at the second place, the grab 41 of fastener 40 snapped in the card ditch 35 of actuator 30 first ends 31, made first end 31 of actuator 30 firmly be hubbed at second end 22 of body 20, and this actuator 30 is not located away from the possibility of body 20.

Bounding means 50 is located at second end 22 of body 20, and this bounding means 50 makes fastener 40 only can be positioned at the second place and can't change to primary importance in order to the displacement of restriction fastener 40.This bounding means 50 is embodied as a ring-type in first embodiment, and the ratchet drive mechanism 24 of control body 20 simultaneously.

With reference to Fig. 5 and Fig. 6, a fixed block 60 can be located at the side of body 20 with respect to bounding means 50, the central authorities of this fixed block 60 are provided with a perforation 61, and this perforation 61 is provided with the holes 62 with respect to grab 23.With reference to Fig. 7 and Fig. 8, it should be noted that, four circular arcs of this formation perforation 61 are eccentric, and be provided with one by all considerable sign mark of looking 63 in positive and negative in fixed block 60, this indicates mark 63 in order to show the locking direction of fixed block 60, so when rotational fixture 60 to one angles, fixed block 60 promptly can be packed in body 20, and has limited the displacement of bounding means 50 further.

The further display card firmware 40 of Fig. 8 is subjected to the restriction of bounding means 50 and can't be moved to primary importance, actuator 30 is not located away from the possibility of body 20, body 20 must not used any screw fully with firm combination of 30 of actuators, improved the intensity of package assembly significantly, and make the hole 26 of body 20 and the hole 36 of actuator 30 can be made as penetration state, tool head or double head tool head for long size are planted, and have increased the head of screwdriver type that can be suitable for, fairly good usefulness, practicality.

If ratchet drive device 10 produces faults when desire maintenance or renewal part, only need fixed block 60 and bounding means 50 are taken off, this fastener 40 of being located at 30 of body 20 and actuators can be moved to primary importance by the second place, the grab 41 of this fastener 40 can break away from the card ditch 35 of actuator 30 and sinks in the depression 251 of draw-in groove 25, this actuator 30 can be located away from body 20 easily, the assembling of this ratchet drive device 10 with disassemble all quite simple, reliable.

Fig. 9 shows second embodiment of the present invention, second embodiment is identical with first embodiment, being made as non-penetration state except the hole 36 with actuator 30 second ends 32 changes, can plant for the tool head of short size in this hole 36, and second effect that embodiment reached is same as first embodiment.

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

1. ratchet drive device of the present invention, be provided with two fasteners between this body and actuator, when this fastener is positioned at the second place, this actuator can't be located away from body, when this fastener was positioned at primary importance, this actuator was separable in body, if produce fault when desire maintenance or renewal part, promptly this actuator can be located away from body easily, the assembling of this ratchet drive device with disassemble all quite simple, reliable.

2. ratchet drive device of the present invention, its body must not used any screw fully with firm combination of actuator, improved the intensity of package assembly significantly, and make the hole of body and actuator can be made as penetration state, tool head or double head tool head for long size are planted, increased the head of screwdriver type that can be suitable for, fairly good usefulness, practicality.

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 of the present invention are done.

Claims

1. a ratchet drive device is characterized in that, comprising:

One body, one end are provided with a ratchet drive mechanism and two draw-in grooves;

One actuator, the one end is provided with a joining hole, and this joining hole is incorporated into body rotationally, and ring is established a Ka Gou in this joining hole;

Two fasteners, it is located in the draw-in groove of body, and optionally be fastened in the card ditch of actuator, when this fastener is positioned at primary importance, fastener does not snap in the Ka Gou of actuator, and actuator is separable in body, when this fastener is positioned at the second place, fastener snaps in the card ditch of actuator, makes actuator can firmly be hubbed at body;

One bounding means, it is located at body, and this bounding means restriction fastener only can be positioned at the second place and can't change to primary importance.

2. ratchet drive device as claimed in claim 1, wherein, the end in addition of this body is provided with can be for the grab of handle plant engaging.

3. ratchet drive device as claimed in claim 1, wherein, this two draw-in groove also is provided with the depression of an arc, and this depression can sink to for fastener.

4. ratchet drive device as claimed in claim 1, wherein, this body also is provided with a hole of axially running through body.

5. ratchet drive device as claimed in claim 1 wherein, is provided with an elastomer between this body and actuator.

6. ratchet drive device as claimed in claim 1 wherein, is equipped with the tooth corresponding to ratchet drive mechanism in the joining hole of this actuator.

7. ratchet drive device as claimed in claim 1, wherein, the end in addition of this actuator is provided with one can be for the hole of tool head plant.

8. ratchet drive device as claimed in claim 1, wherein, an end of this fastener is provided with a grab, and this grab can snap in the card ditch of actuator.

9. ratchet drive device as claimed in claim 1 wherein, can be located at body with a fixed block, and this fixed block can limit the displacement of bounding means.