CN201922307U

CN201922307U - Improved structure of wrapping protective cover

Info

Publication number: CN201922307U
Application number: CN2010206309389U
Authority: CN
Inventors: 李敏郎
Original assignee: SUN YUAN TECHNOLOGY Inc
Current assignee: SUN YUAN TECHNOLOGY Inc
Priority date: 2010-11-25
Filing date: 2010-11-25
Publication date: 2011-08-10
Anticipated expiration: 2020-11-25

Abstract

The utility model provides an improved structure of a wrapping protective cover, comprising a shell body, a stopping mechanism, a wrapping mechanism and a protection body. The shell body is a hollow frame; the stopping mechanism is fixedly arranged on the frame by a first shaft pole; a hollow axle tube is axially arranged on the first shaft pole; an elastic body is sheathed in the axle tube; two ends of the elastic body are respectively positioned on the first shaft pole and a sliding part; the external side of the axle tube is fixedly provided with a driven wheel; the wrapping mechanism is fixedly arranged on the frame by a second shaft pole; a hollow scroll is axially arranged on the second shaft pole; the external side of the scroll is fixedly provided with a driving wheel for driving the driven wheel; and the protection body is fixedly arranged on the scroll of the wrapping mechanism. As the wrapping mechanism is in transmission connection with the stopping mechanism on which the elastic body is sheathed, the assembly and application become more convenient. The number of teeth of the driving wheel is less than that of the driven wheel; the movement variation of the elastic body of the stopping mechanism can be reduced, so that the stretched length of the protection body can be longer.

Description

The structure-improved of takeup type protective cover

Technical field

The utility model is the structure-improved of takeup type protective cover, refers to a kind of driving wheel transmission follower by winding mechanism especially, and then is transmitted in the sheathed one elastomeric stopper person of mechanism; Moreover the number of teeth of its driving wheel is less than follower, and stopper mechanism elastomer start variable quantity is reduced, and then is easy to assembling and uses, and protection body has big tensile elongation, so that the wider bits material that stops to be provided.

Background technology

Existing various machine-tools or processing equipment are when work board machining object part, often produce smear metal or the part that some are produced because of processing, its smear metal or part may fall within adjacent board or be stuck in board in the start, the operator who flies to machinery is then arranged what is more, and be that various bits material such as metal or the machine components that effectively stop machining fly out, so there is telescopic protective cover to occur; Though its telescopic protective cover is able to effectively to solve various bits material or machine components fly out, but the stroke of its protective cover is minimum, wherein be to have with the member of spring for its telescopic variation amount, this spring is that an end is fixed, one end is when protective cover is pulled out and rotation synchronously, and displacement and reversing, this spring is not enough or over-stressed distortion of variable quantity because of stressed displacement, and can't supply large-scale protection and operation and its tensile elongation of protective cover, making the operator need lay several protection is placed on by the machine-tool, and cause waste on the space, and buy several protective covers thereby improved the burden of money; This telescopic protective cover is central siphon or spool to be arranged usually for its rotating shaft or for sheathed protective cover again, and its weight of this central siphon is the load that can increase axle, and this protective cover is mostly to fix in the solid mode of spiral shell, in assembling or very inconvenience when changing.

This shows that above-mentioned existing protective cover still has above-mentioned disappearance, real non-one kindhearted designer, and demand urgently being improved.

Summary of the invention

The utility model people is because above-mentioned ripe every shortcoming of deriving with the structure-improved of takeup type protective cover, be urgently to think to be improved innovation, and the Hou of concentrating on studies of taking great pains to attain one's goal through for many years, finally successfully research and development finish a kind of takeup type protective cover structure-improved, be to comprise: a housing, be hollow framework; One stopper mechanism, be to be fixedly arranged on this housing, and axle is established the central siphon of a hollow on this first axostylus axostyle, a sheathed elastomer in this central siphon with one first axostylus axostyle, these elastomeric two ends then are positioned this first axostylus axostyle, sliding part respectively, and this central siphon outside then sets firmly a follower; One winding mechanism is to be fixedly arranged on this housing with one second axostylus axostyle, and axle is established the spool of hollow on this second axostylus axostyle, then sets firmly a driving wheel in this spool outside, and this driving wheel is the interlock that is meshed with this follower; One protection body, be fixedly arranged on this winding mechanism spool; By, winding mechanism driving wheel transmission follower, and be transmitted in a sheathed elastomer the person of stopper mechanism, in assembling or use more convenient.And driving wheel the number of teeth less than follower, and stopper mechanism elastomer start variable quantity is reduced, and then can make protection body have big tensile elongation, so that the wider bits material person that stops to be provided.The spool of this winding mechanism is to be provided with the embedding drilling for the convenient sheathed and replacing of protection body in addition, and is provided with several grooves for reducing its weight, and this protection body one end is to wear the embedding drilling that a support bar is fixedly arranged on this spool in addition, makes it handled easily.

Description of drawings

Fig. 1 is a partial exploded view of the present utility model;

Fig. 2 is a local constitutional diagram of the present utility model;

Fig. 3 is a partial sectional view of the present utility model;

Fig. 4 is the utility model central siphon, protection body combination of side view;

Fig. 5 is another feasible enforcement illustration of the present utility model;

Fig. 6 is another feasible enforcement illustration of the present utility model.

Description of reference numerals:

The 10-housing; The 261-guide hole; The 11-framework; The 27-swivel bearing; The 12-fixed head; The 30-winding mechanism; 13-leads mouth; 31-second axostylus axostyle; The 14-hairbrush; The 32-driving wheel; 20-stopper mechanism; The 33-swivel bearing; 20 '-stopper mechanism; The 34-spool; 21-first axostylus axostyle; 341-embedding drilling; The 211-locating hole; The 342-groove; 21 '-the first axostylus axostyles; The 40-protection body; 211 '-groove; The 41-stop part; The 22-sliding part; The 411-overhead gage; 22 '-sliding part; The 412-lower baffle plate; 221 '-linear bearing; The 413-support bar; 2211 '-ball; The 23-elastomer; The 24-follower; The 241-fixing hole; The 25-guiding element; 25 '-guiding element; The 26-central siphon; 26 '-central siphon.

The specific embodiment

For ease of further combination of the present utility model, structure, characteristic and use thereof being had clearer and more definite, full and accurate understanding and understanding, utility model people enumerates preferred embodiment, cooperates graphic being described in detail as follows:

At first, please refer to shown in Fig. 1-4, the structure-improved of a kind of takeup type protective cover of the present utility model is to comprise:

One housing 10 is the frameworks 11 that are hollow, and its both sides set firmly a fixed head 12 respectively, and a side of framework 11 is then axially offered one and led mouthfuls 13, then is provided with a hairbrush 14 leading mouthful 13 leading edges;

One stopper mechanism 20, be to comprise first axostylus axostyle 21, sliding part 22, elastomer 23, follower 24, guiding element 25, central siphon 26, swivel bearing 27, this stopper mechanism 20 is the fixed heads 12 that are fixedly arranged on this housing 10 with one first axostylus axostyle 21, axle is established the central siphon 26 of a hollow on this first axostylus axostyle 21, a sheathed elastomer 23 in this central siphon 26, the two ends of this elastomer 23 then are positioned this first axostylus axostyle 21 respectively, sliding part 22, these central siphon 26 outsides then set firmly a follower 24, then be provided with swivel bearing 27 in the side in addition, this first axostylus axostyle 21 is to be provided with a locating hole 211 ammunition feed gonosomes 23 1 ends location, this sliding part 22 is to be provided with a guiding element 25 these elastomer 23 1 ends of location, this central siphon 26 is to be provided with a guide hole 261 for these guiding element 25 sliding establishing, wherein this elastomer 23 is generally a spring, the stroke during in order to limiting displacement;

One winding mechanism 30, be to comprise second axostylus axostyle 31, driving wheel 32, swivel bearing 33, spool 34, this winding mechanism 30 is the fixed heads 12 that are fixedly arranged on this housing 10 with one second axostylus axostyle 31, axle is established the spool 34 of hollow on this second axostylus axostyle 31, then set firmly a driving wheel 32 in these spool 34 outsides, this spool 34 then is provided with a swivel bearing 33 in the side in addition, this driving wheel 32 is to nibble to be located at this follower 24 sides, and this follower 24 is gear ratios that a multiple is arranged with driving wheel 32, these winding mechanism 30 spools 34 its inwalls, outer wall is to be axially arranged with several grooves 342, and its outer wall is and is axially arranged with an embedding drilling 341 that its groove 342 is in order to the weight that alleviates this central siphon 34 and reduces cost;

One protection body 40, the one end is to wear the embedding drilling 341 that a support bar 413 is fixedly arranged on these winding mechanism 30 spools 34, and be wound in these winding mechanism 30 outer rims along this embedding drilling 341 and mouthfuls 13 pass from leading of this framework 11 again, and the end that protection body 40 passes must be established a

stop part

41,41 of its stop parts are made of 411,412 on upper and lower baffle plate, and be fixed in protection body 40 both sides, and this protection body 40 is to can be the material that a leather class or a soft iron, aluminium class etc. are difficult for piercing through, effectively to prevent bits material or part this protection body 40 that punctures or melt down.

The takeup type protective cover that combines by above-mentioned member structure-improved, its concrete enforcement and application are please referring again to the 3rd, shown in 4 figure, in use, the protection body 40 that will be wound in winding mechanism 30 is earlier pulled out, and because of protection body 40 1 ends be to wear a support bar 413, this support bar 413 be arranged in again winding mechanism 30 spools 34 embedding drilling 341 in, make that protection body 40 is the driving wheel 32 row one rotation start that drives this spool 34 and be sheathed on central siphon 34 1 ends when pulling out, at this moment, the follower 24 that is meshed with this driving wheel 32 is affected, then make the central siphon 26 of stopper mechanism 20 and be positioned at central siphon 26 guide holes 261 guiding element 25 rotation thereupon, and because of these elastomer 23 1 ends be the button be located at first axostylus axostyle 21 locating hole 211, and the other end is to be positioned sliding part 22 by guiding element 25, this guiding element 25 is pind down by elastomer 23 and along the guide hole 261 of central siphon 26 and sidesway, and because driving wheel 32 numbers of teeth are less than follower 24 numbers of teeth, make the rotating speed of this driving wheel 32 rotations greater than follower 24, then when driving wheel 32 rotates a circle, follower 24 only rotates less than the stroke of a circle (as: 1/2 or 1/4 or 1/5... circle), variable quantity in the time of can reducing elastomer 23 because of swing offset, make the protection body 40 that is wound in these winding mechanism 30 outer rims then can further extend its tensile elongation, so that being provided, wider stopping consider the material person to be worth doing, and prevented elastomer 23 because of the rotation torsional deformation, caused the disappearance that is difficult for pulling out of this protection body 40 when using.

Implement 20 ' time of this stopper mechanism in another again, shown in the 5th figure, this stopper mechanism 20 ' be comprise first axostylus axostyle 21 ', sliding part 22 ', linear bearing 221 ', elastomer 23, follower 24, guiding element 25 ', central siphon 26 ', swivel bearing 27, this stopper mechanism 20 ' central siphon 26 ' be sheathed one first axostylus axostyle 21 of hollow form ', this central siphon 26 ' outside then sets firmly this follower 24, this follower 24 be provided with fixing hole 241 for be sheathed on first axostylus axostyle 21 ' elastomer 23 1 ends location, be sheathed on again first axostylus axostyle 21 ' sliding part 22 ' be to be provided with these elastomer 23 1 ends of a guiding element 25 ' location, this first axostylus axostyle 21 ' be provided with two equidistant grooves 211 ', for this sliding part 22 ' in one stroke track when establishing this linear bearing 221 ' slippage, this groove 211 ' also can be provided with three is equidistant, the groove 211 of fourth class distance ', this linear bearing 221 ', its have number row to should groove 211 ' a plurality of balls 2211 ', so that be embedded at this groove 211 '; This stopper mechanism 20 ' follower 24 is subjected to the transmission of winding mechanism 30 driving wheels 32 and rotates start, should for linear bearing 221 of linear displacement ' thereby sliding in have groove 211 ' axostylus axostyle 21 '.

See also again (follower 24 sees also shown in the 3rd, 5 figure with driving wheel 32) shown in the 6th figure; be to be another feasible embodiment of the utility model; be can a sheathed shell 50 in this follower 24 and driving wheel 32 outsides; be not subjected to external interference with protection follower 24, driving wheel 32; as screw or be stained with tiny bits material that sticks on protection body 40 etc.; and influence the rotation of follower 24, driving wheel 32 or destroy its groove, and then cause damage.

Above-mentioned specific embodiment is to be used for describing in detail the purpose of this utility model, characteristic and effect, for people's bodyguard of being familiar with this type of skill, according to the above description, may do partly change and modification to this specific embodiment, its essence does not detach spiritual category person of the present utility model, all should be included in the claim of this case suitable first Chen Ming.

In sum, the utility model structure really belongs to innovation, and can commonly use article and promote effect, fully meets the legal monopoly important document of novelty and progressive, so file an application in accordance with the law, earnestly asks your office and checks and approves present application for patent, to encourage utility model, to feeling moral just.

Claims

1. the structure-improved of a takeup type protective cover is characterized in that, it comprises:

One housing is the framework that is hollow;

One stopper mechanism, be to be fixedly arranged on this framework, and axle is established the central siphon of a hollow on this first axostylus axostyle, a sheathed elastomer in this central siphon with one first axostylus axostyle, these elastomeric two ends then are positioned this first axostylus axostyle, sliding part respectively, and this central siphon outside then sets firmly a follower;

One winding mechanism is to be fixedly arranged on this framework with one second axostylus axostyle, and axle is established the spool of hollow on this second axostylus axostyle, then sets firmly a driving wheel in order to this follower of transmission in this spool outside;

One protection body is the spool that is fixedly arranged on this winding mechanism.

2. the structure-improved of takeup type protective cover as claimed in claim 1 is characterized in that, this framework one side is then axially offered a mouth of leading that is parallel to spool.

3. the structure-improved of takeup type protective cover as claimed in claim 2 is characterized in that, this is led a mouthful leading edge and is provided with a hairbrush.

4. the structure-improved of takeup type protective cover as claimed in claim 1 is characterized in that, this first axostylus axostyle is to be provided with a locating hole ammunition feed gonosome one end location, and this sliding part is to be provided with a guiding element to locate this elastomer one end.

5. the structure-improved of takeup type protective cover as claimed in claim 4 is characterized in that, this central siphon is to be provided with a guide hole to establish for this guiding element cunning.

6. the structure-improved of takeup type protective cover as claimed in claim 1 is characterized in that, these elastomeric two ends then are positioned this follower, sliding part respectively.

7. the structure-improved of takeup type protective cover as claimed in claim 6 is characterized in that, this first axostylus axostyle is to be provided with at least one groove, and is provided with a linear bearing in this sliding part, and this linear bearing then has a plurality of balls that should the first axostylus axostyle groove.

8. as the structure-improved of claim 1,3,5 or 7 described takeup type protective covers, it is characterized in that this driving wheel number of teeth is less than the follower number of teeth.

9. the structure-improved of takeup type protective cover as claimed in claim 8 is characterized in that, this spool is to be hollow form, and its inwall, outer wall are to be axially arranged with several grooves.

10. the structure-improved of takeup type protective cover as claimed in claim 9, its outer wall of this spool is axially arranged with an embedding drilling, and this protection body one end is to wear a support bar, and this protection body one end that is equipped with support bar then is arranged in the embedding drilling of this spool.

11. the structure-improved of takeup type protective cover as claimed in claim 9 is characterized in that, this protection body must be established a stop part.

12. the structure-improved of takeup type protective cover as claimed in claim 9 is characterized in that, this follower and driving wheel outside are to be arranged with a shell.