CN202218653U

CN202218653U - Control device of strainer

Info

Publication number: CN202218653U
Application number: CN201120244261XU
Authority: CN
Inventors: 陈金柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-07-12
Filing date: 2011-07-12
Publication date: 2012-05-16
Anticipated expiration: 2021-07-12

Abstract

A control device of a strainer comprises a base, a positioning piece and a screwing cover, wherein an accommodation space which a straining line section penetrates into is arranged in the base; the positioning piece is provided with a penetrating perforation and a connecting end which is in linkage connection with the straining line section positioned in the accommodation space, the positioning piece is provided with a plurality of elastic support arms, and each elastic support arm is provided with a unidirectional inclined tooth bulge constantly meshed with a unidirectional inclined tooth grain; the screwing cover is covered on the positioning piece and is arranged rotationally relative to the base, at least one convex rib arranged in a corresponding slot in a matching way is arranged on the inner surface of the screwing cover, and the width of the convex rib is smaller than that of the corresponding slot such that a non-linkage idle travel is formed between the screwing cover and the positioning piece. The control device can adopt the forward rotation and reverse rotation operating modes to drive a straining structure in the linkage manner so as to carry out tightening or releasing, furthermore the control device also has the positioning effect of preventing pullback due to reacting force under the condition that the control device is not operated by external force.

Description

The control device of degree of tightness fastener

Technical field

The utility model relate to a kind of can be through just changeing and reversing the control device that mode of operation interlock loosing and tightening structure carries out packing or release; And this control device has the locating effect that prevents that reaction force from retracting, particularly a kind of control device of degree of tightness fastener when not receiving the external force operation.

Background technology

Shoes adopt shoestring as fixed form, and it is normally tied a knot at two of shoestring and reaches fixing; But; Though the existing shoestring fixed form of this kind is continued to use for a long time; But find still to exist following problem points in the experience of being widely used: suitable length need be reserved in first knotting position; And the knotting position has in wearing process the time situation of unclamping to occur, and often easily by another pin stepped on and fall danger because the shoestring that scatters is long this moment; It two is that the knotting position can form staggered lines and covers on vamp; This makes the design on the vamp therefore to seem in disorder indecency; In addition; Wear footwear at every turn, taking off one's shoes all must the stitch or the shoestring that gets loose, and generally speaking shoestring all is to be commonly called as the mode stitch of bowknot, not about one minute of its spent time; Therefore it also is considerable so being accumulated over a long period in the spent time of stitch shoestring, how to promote the target that the speed of wearing, taking off one's shoes also more progresses greatly for the society of stressing efficient now.

Be with, to the existing problem points of above-mentioned existing Shoelace structure, how to develop a kind of new structure that has more desirable practicality, real must make great efforts to research and develop the target and the direction of breakthrough again for the dealer that is correlated with.

In view of the existing shortcoming that is produced with stitch shoestring mode; This creator promptly releases a kind of control device of degree of tightness fastener; It is applicable to the control device such as loosing and tightening structures such as shoestring, hatband or waist-belts; It is a kind of can be through just changeing and reverse the control device that mode of operation interlock loosing and tightening structure carries out packing or release, and this control device has the locating effect that prevents that reaction force from retracting when not receiving the external force operation; Therefore when it was applied to shoestring, it was can be with shoestring partly through the degree of tightness of Spin Control footwear body, make its all do not have existing shoestring in the footwear surface extended stitch section, can make the footwear surface present comparatively clean and tidy aspect.

The utility model content

The utility model technical problem underlying to be solved is; Overcome the above-mentioned defective that prior art exists; And a kind of control device of degree of tightness fastener is provided; Can be through just changeing and reverse the control device that mode of operation interlock loosing and tightening structure carries out packing or release, and this control device has the locating effect that prevents that reaction force from retracting when not receiving the external force operation.

The utility model solves the technical scheme that its technical problem adopted:

A kind of control device of degree of tightness fastener; Include a pedestal, positioning piece and a spiral cover; The accommodation space that this base interior has a confession degree of tightness line segment to penetrate; And this pedestal be provided with one with the perforation of accommodation space break-through, the outer ring profile of this pedestal in outer surface along perforation is formed with a circle single syncline groove in addition;

This keeper passes perforation; And be the connecting end that interlock is provided with the degree of tightness line segment that is positioned at accommodation space; This keeper has several elasticity support arms, and each elasticity support arm is equipped with a normality to be engaged in the unidirectional helical teeth of single syncline groove protruding, this single syncline groove and unidirectional helical teeth be protruding appear the inclined-plane with the inclined-plane corresponding and non-inclined-plane and the corresponding kenel in non-inclined-plane; And when being defined as the rotation of the relative pedestal of keeper; Protruding its inclined-plane of single syncline groove and unidirectional helical teeth and inclined-plane are that elasticity jumps the position rotatable for clockwise to, and non-inclined-plane and non-inclined-plane be replace rotatable for reverse to, and this keeper simultaneously is provided with the corresponding groove that at least one confession spiral cover driven rotary is used;

This spiral cover appears to be covered in keeper and to be rotatable with pedestal and is provided with; This spiral cover inner face is provided with at least one fin that is disposed at corresponding groove; And this fin width is slightly less than corresponding groove and has the idle running stroke of interlock not to keep spiral cover and keeper; And this idle running stroke be present in the relative pedestal of keeper for reverse to the time; This spiral cover medial surface is formed with the adjustment rib of several corresponding elasticity support arms, this adjustment rib have one when spiral cover drive keeper reverse to the time must in the idle running stroke, pull the elasticity support arm, in order to removing single syncline groove and the protruding reverse of unidirectional helical teeth to not rotatable inclined thrust surface;

So, clockwise during to the interlock keeper when the rotation spiral cover, this keeper can be elasticity with the inclined-plane through single syncline groove and protruding its inclined-plane of unidirectional helical teeth and jump the position, and then rotating rotation drive lastex section continues to tighten; When spiral cover did not have external force and rotates, this keeper can be through single syncline groove and protruding its non-inclined-plane of unidirectional helical teeth and non-inclined-plane cannot not replaced rotatablely, avoids the degree of tightness line segment oppositely to get loose; In addition when the rotation spiral cover reverses to the interlock keeper, this elasticity support arm is gradually the regulated rib in the idle running stroke pulls, when treating the protruding disengaging single syncline of unidirectional helical teeth groove, this keeper be relative pedestal be reverse to rotation with release degree of tightness line segment.

Aforementioned keeper center offers the mouth of wearing of a connection pedestal accommodation space and spiral cover inner face, and this pedestal is provided with one in accommodation space and passes mouth, and is linked to the bull stick of spiral cover inner face center.

Aforementioned connecting end surface is formed with an interlock ring gear, and this degree of tightness line segment includes one first line segment and one second line segment, and this first line segment and second line segment respectively have the tooth row section that is engaged in interlock ring gear relative edge.

Aforementioned elasticity support arm is provided with a face that tiltedly supports corresponding to inclined thrust surface.

Aforementioned spiral cover is formed with an on-slip line in outer ring surface.

Aforementioned pedestal has the second kenel embodiment; This base interior is provided with one as the drum that links keeper connecting end and degree of tightness line segment; This drum has the external loop diameter that supplies the winding of degree of tightness line segment to link, and this drum center is provided with the mouth that is provided with of a confession keeper connecting end winding.

The beneficial effect of the utility model is, its be a kind of can be through just changeing and reverse the control device that mode of operation interlock loosing and tightening structure carries out packing or release, and this control device has the locating effect that prevents that reaction force from retracting when not receiving the external force operation.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the perspective exploded view of the control device of the utility model degree of tightness fastener.

Fig. 2 is another perspective exploded view of the control device of the utility model degree of tightness fastener.

Fig. 3 is the three-dimensional appearance sketch map of the utility model keeper and spiral cover.

Fig. 4 is the three-dimensional appearance sketch map of the control device of the utility model degree of tightness fastener.

Fig. 5 is the not view pulled of regulated rib of elasticity support arm.

Fig. 6 is the view that elasticity support arm regulated rib is pulled.

Fig. 7 be A-A line segment shown in Figure 4 in the elasticity support arm not the regulated rib pull the generalized section of state.

Fig. 8 is A-A line segment shown in Figure 4 is pulled state in elasticity support arm regulated rib a generalized section.

Fig. 9 is the view of the utility model keeper and the engagement of degree of tightness line segment.

Figure 10 is the perspective exploded view of control device second embodiment of the utility model degree of tightness fastener.

Figure 11 is that the footwear body degree of tightness that is implemented on of control device second embodiment of the utility model degree of tightness fastener is used sketch map.

Label declaration among the figure:

10 pedestals, 11 accommodation spaces

12 perforation, 13 single syncline grooves

14 bull sticks, 20 keepers

21 connecting ends, 211 interlock ring gears

22 elasticity support arms, 221 unidirectional helical teeth are protruding

222 tiltedly support face 23 corresponding grooves

24 wear mouthful 30 spiral covers

31 fins, 32 adjustment ribs

321 inclined thrust surfaces, 33 on-slip lines

40 degree of tightness line segments, 41 first line segments

411 tooth row sections, 42 second line segments

421 tooth row sections, 50 pedestals

52 perforation of 51 accommodation spaces

53 single syncline grooves, 54 drums

541 external loop diameters 542 are provided with mouth

The specific embodiment

The utility model is the control device of relevant a kind of degree of tightness fastener; It is a kind of can be through just changeing and reversing the control device that mode of operation interlock loosing and tightening structure carries out packing or release; And this control device has the locating effect that prevents that reaction force from retracting when not receiving the external force operation; See also Fig. 1 to Fig. 9, the utility model " control device of degree of tightness fastener " includes a pedestal 10, positioning piece 20 and a spiral cover 30;

These pedestal 10 inside have one supply degree of tightness line segment 40 to penetrate accommodation space 11, and this pedestal 10 be provided with one with the perforation 12 of accommodation space 11 break-through, the outer ring profile of this pedestal 10 in outer surface along perforation 12 is formed with a circle single syncline groove 13 in addition;

This keeper 20 passes perforation 12; And be the connecting end 21 that interlock is provided with the degree of tightness line segment 40 that is positioned at accommodation space 11; This keeper 20 has several elasticity support arms 22; And each elasticity support arm 22 is equipped with the unidirectional helical teeth protruding 221 that a normality is engaged in single syncline groove 13; This single syncline groove 13 and unidirectional helical teeth protruding 221 appear the inclined-plane with the inclined-plane corresponding and non-inclined-plane and the corresponding kenel in non-inclined-plane, and when being defined as relative pedestals 10 rotations of keeper 20, single syncline groove 13 and unidirectional helical teeth protruding 221 its inclined-planes and inclined-plane are that elasticity jumps the position rotatable be clockwise to; And non-inclined-plane and non-inclined-plane be replace rotatable for reverse to, and this keeper 20 simultaneously is provided with the corresponding groove 23 that at least one confession spiral cover 30 driven rotary are used;

This spiral cover 30 appears to be covered in keeper 20 and to be rotatable with pedestal 10 and is provided with; These spiral cover 30 inner faces are provided with at least one fin 31 that is disposed at corresponding groove 23; And these fin 31 width are slightly less than corresponding groove 23 and have the idle running stroke of interlock (when promptly rotating spiral cover 30 not to keep spiral cover 30 and keeper 20; Keeper 20 is in fixedly not receiving spiral cover 30 interlocks relatively in the section); And this idle running stroke be present in the relative pedestals 10 of keeper 20 for reverse to the time; These spiral cover 30 medial surfaces are formed with the adjustment rib 32 of several corresponding elasticity support arms 22, this adjustment rib 32 have one when spiral cover 30 drive keepers 20 reverse to the time must in the idle running stroke, pull elasticity support arm 22, reverse to not rotatable inclined thrust surface 321 in order to removing single syncline groove 13 and unidirectional helical teeth protruding 221;

So, clockwise during to interlock keeper 20 when rotation spiral cover 30, this keeper 20 can be elasticity with the inclined-plane through single syncline groove 13 and unidirectional helical teeth protruding 221 its inclined-planes and jump the position, and then rotating rotation drive lastex section 40 continues to tighten; When the no external force of spiral cover 30 were rotated, this keeper 20 can be through single syncline groove 13 and unidirectional helical teeth protruding 221 its non-inclined-planes and non-inclined-plane cannot not replaced rotatablely, avoided degree of tightness line segment 40 oppositely get loose (like Fig. 5 and shown in Figure 7); In addition when rotation spiral cover 30 reverses to interlock keeper 20; This elasticity support arm 22 is gradually regulated rib 32 in the stroke in idle running and pulls; When treating that unidirectional helical teeth protruding 221 breaks away from single syncline groove 13; This keeper 20 is that relative pedestal 10 is reverse to rotating to discharge degree of tightness line segment 40 (like Fig. 6 and shown in Figure 8): what deserves to be mentioned is; The utility model can be controlled protruding 221 engagements of unidirectional helical teeth of keeper 20 or break away from the single syncline groove 13 in pedestal 10 through the rotation of spiral cover 30, therefore need not move spiral cover 30 operations to draw, and can carry out the adjustment of degree of tightness line segment 40.

Furthermore, these keeper 20 centers offer one be communicated with pedestal 10 accommodation spaces 11 and spiral cover 30 inner faces wear mouthfuls 24, this pedestal 10 is provided with one in accommodation space 11 and passes mouthfuls 24, and is linked to the bull stick 14 of spiral cover 30 inner face centers.

Furthermore; These connecting end 21 surfaces are formed with an interlock ring gear 211; This degree of tightness line segment 40 includes one first line segment 41 and one second line segment 42, and this first line segment 41 and second line segment 42 respectively have the tooth row section 411,421 (as shown in Figure 9) that is engaged in interlock ring gear 211 relative edges; So, rotational positioning part 20 can interlock first line segment 41 and second line segment 42 present staggered contraction or loosen, with the degree of tightness of control degree of tightness line segment 40.

Furthermore, this elasticity support arm 22 is provided with a face 222 that tiltedly supports corresponding to inclined thrust surface 321; Tiltedly support face 222 through this elasticity support arm 22 easy regulated ribs 32 are pulled, and make unidirectional helical teeth protruding 221 break away from single syncline grooves 13 really.

Furthermore, this spiral cover 30 is formed with an on-slip line 33 in outer ring surface; Has not eely effect in the time of reaching operation spiral cover 30 through this on-slip line 33.

See also Figure 10 and shown in Figure 11; Be the second kenel embodiment of pedestal 50 of the present invention; This pedestal 50 and first embodiment have the accommodation space 51 that a confession degree of tightness line segment 40 (present embodiment degree of tightness line segment 40 is shoestring) penetrates equally; And this pedestal 50 be provided with one with the perforation 52 of accommodation space 51 break-through, the outer ring profile of this pedestal 50 in outer surface along perforation 52 is formed with a circle single syncline groove 13 in addition;

And these pedestal 50 inside are provided with one as linking the drum 54 of keeper 20 connecting ends 21 with degree of tightness line segment 40; This drum 54 has and supplies degree of tightness line segment 40 to twine the external loop diameter 541 that links, and these drum 54 centers be provided with one supply 21 windings of keeper 20 connecting ends be provided with mouthfuls 542; So drive drum 54 rotations, can adjust the shrinkage degree (present embodiment pedestal 50 is applicable to the shoes of tool shoestring, and is shown in figure 11) of degree of tightness line segment 40 through keeper 20.

Claims

1. the control device of a degree of tightness fastener is characterized in that, includes a pedestal, positioning piece and a spiral cover, wherein:

This base interior have one supply the degree of tightness line segment to penetrate accommodation space, and this pedestal be provided with one with the perforation of accommodation space break-through, the outer ring profile of this pedestal in outer surface along perforation is formed with a circle single syncline groove in addition;

This spiral cover appears to be covered in keeper and to be rotatable with pedestal and is provided with; This spiral cover inner face is provided with at least one fin that is disposed at corresponding groove; And this fin width is slightly less than corresponding groove and has the idle running stroke of interlock not to keep spiral cover and keeper; And this idle running stroke be present in the relative pedestal of keeper for reverse to the time, this spiral cover medial surface is formed with the adjustment rib of several corresponding elasticity support arms, this adjustment rib have one when spiral cover drive the keeper reverse to the time must in the stroke that dallies, pull the elasticity support arm.

2. the control device of degree of tightness fastener according to claim 1; It is characterized in that; Said keeper center offers the mouth of wearing of a connection pedestal accommodation space and spiral cover inner face, and this pedestal is provided with one in accommodation space and passes mouth, and is linked to the bull stick of spiral cover inner face center.

3. the control device of degree of tightness fastener according to claim 1; It is characterized in that; Said connecting end surface is formed with an interlock ring gear, and this degree of tightness line segment includes one first line segment and one second line segment, and this first line segment and second line segment respectively have the tooth row section that is engaged in interlock ring gear relative edge.

4. the control device of degree of tightness fastener according to claim 1 is characterized in that, said elasticity support arm is provided with a face that tiltedly supports corresponding to inclined thrust surface.

5. the control device of degree of tightness fastener according to claim 1 is characterized in that, said spiral cover is formed with an on-slip line in outer ring surface.

6. the control device of degree of tightness fastener according to claim 1; It is characterized in that; Said base interior is provided with one as the drum that links keeper connecting end and degree of tightness line segment; This drum has the external loop diameter that supplies the winding of degree of tightness line segment to link, and this drum center is provided with the mouth that is provided with of a confession keeper connecting end winding.