CN102398727B

CN102398727B - Separable lacing

Info

Publication number: CN102398727B
Application number: CN 201010279921
Authority: CN
Inventors: 郑瑞卿
Original assignee: KS Terminals Inc
Current assignee: KS Terminals Inc
Priority date: 2010-09-09
Filing date: 2010-09-09
Publication date: 2013-07-10
Anticipated expiration: 2030-09-09
Also published as: CN102398727A

Abstract

The invention discloses a separable lacing, which comprises a locking head and a lacing body. The locking head is provided with a bottom plate, a pair of first walls, a second wall and an operating rod; the bottom plate of the locking head is provided with a window; the operating rod is arranged above the window; the left and right sides of the operating rod are respectively connected to the first walls by connecting parts; the operating rod is provided with a first top surface; at least one first engaging tooth is arranged at the vertical downward preset depth of the first top surface; the first engaging tooth is provided with a second top surface; a first tooth depth is formed in the second top surface; and an arm body is extended from the operating rod to the lacing body. The lacing body is provided with a third top surface and a bottom surface, and the bottom surface of the lacing body is provided with a plurality of second engaging teeth which can be mutually engaged with the first engaging tooth of the operating rod. Each second engaging tooth has a preset tooth pitch and a second tooth depth, the first tooth depth is greater than the second tooth depth, and the preset depth is greater than the tooth pitch.

Description

Can back out the formula fastening straps

Technical field

The present invention especially refers to a kind of fastening straps with the formula of can backing out about a kind of fastening straps.

Background technology

Fastening straps on the market usually as general power lead or other wait to restraint thing binding, tighten purposes fixing and that take in etc., yet, just can't unclamp after in a single day fastening straps tightens, if will increase thing to be restrainted, or article are will take in again the time, then fastening straps to be cut and use another new fastening straps, not only use the cost very inconvenient, that raising is used, also cause the waste of resource.

Summary of the invention

In order to solve the desirable not to the utmost part of above-mentioned prior art, the invention provides a kind of formula fastening straps of backing out, include locking head and belt body.The locking capitiform becomes to have window, belt body to have first end and second end, and first end is connected in the locking head, second end can from window wear by, and with locking head chimeric fixing mutually.

In addition, the locking head has base plate, a pair of first body of wall, second body of wall and control lever.The window of locking head is opened in base plate, and base plate has front end and rear end.And this is arranged at the left and right sides of base plate to first body of wall, and second body of wall then is arranged at the front end of base plate, and second body of wall each side be connected to each first body of wall.Control lever is arranged at the window top of base plate, the left and right sides of control lever is connected to each first body of wall by connecting portion respectively, control lever has first end face, first end face vertically down has predetermined depth, this predetermined depth place is provided with at least one first engaging tooth, first engaging tooth has second end face, and second end face is formed with first tooth depth, and control lever is extended with the arm body toward the belt body direction.

Belt body has the 3rd end face and bottom surface, and the 3rd end face is than the arm body of the more close control lever in bottom surface.The bottom surface is provided with a plurality of second engaging tooths, can intermesh with first engaging tooth of control lever.A plurality of second engaging tooths have default tooth pitch and second tooth depth, and first tooth depth is greater than second tooth depth, and predetermined depth is greater than default tooth pitch.

Therefore, main purpose of the present invention provides a kind of formula fastening straps of backing out, this can back out the formula fastening straps when operation, when making belt body pass the window of locking head, because first tooth depth of first engaging tooth is greater than the tooth depth of second engaging tooth, when intermeshing, between first engaging tooth and second engaging tooth trickle gap is arranged, compared to prior art, belt body can enter window at an easy rate, and intake resistance is less.

Secondary objective of the present invention provides a kind of formula fastening straps of backing out, and has one section predetermined depth between control lever and first engaging tooth, and has default tooth pitch between each second engaging tooth.After belt body wears the window that enters the locking head from first direction, second engaging tooth of belt body will intermesh with first engaging tooth of control lever, because this predetermined depth is greater than default tooth pitch, then this predetermined depth can support at least two second engaging tooths simultaneously, so predetermined depth can support the default tooth pitch of belt body simultaneously.Therefore, can promote the tension pull out force that this can back out the formula fastening straps.

A further object of the present invention provides a kind of formula fastening straps of backing out, and the control lever of locking head has first end face, and this first end face has one section development length.Can be by this section development length, make control lever can not overturn because belt body is stressed easily and then can withstand belt body.Therefore, this belt body is not easy to get loose from the locking head.

Another purpose of the present invention provides a kind of formula fastening straps of backing out, be extended with the arm body by control lever, the user can be to the extended arm body of the control lever institute application of force like a cork, easily the engagement of second engaging tooth of first engaging tooth of releasing control lever and belt body is further backed out second end of belt body from the window place of locking head.Therefore, can ease of Use and repeated usage this can back out the formula fastening straps, and then can reduce the cost of use.

Description of drawings

Fig. 1 is a scheme drawing, is the preferred embodiment that proposes according to the present invention, is a kind of formula fastening straps of backing out.

Fig. 2 is a block diagram, is the preferred embodiment that proposes according to the present invention, is a kind of formula fastening straps of backing out.

Fig. 3 is a cutaway view, is the preferred embodiment that proposes according to the present invention, is a kind of formula fastening straps of backing out.

Fig. 4 is a cutaway view, is the preferred embodiment that proposes according to the present invention, is a kind of formula fastening straps of backing out.

Fig. 5 is a planar view, is the preferred embodiment that proposes according to the present invention, is a kind of formula fastening straps of backing out.

[primary clustering nomenclature]

Can back out formula fastening straps 100

Locking 10

Window 11

First opening 111

Second opening 112

Base plate 12

Front end 121

Rear end 122

First body of wall 13

Second body of wall 14

Control lever 15

First end face 151

Waist 152

First engaging tooth 16

Second end face 161

Arm body 17

Connecting portion 18

Strengthening rib 19

Strengthen structure 191

Belt body 20

First end 21

Second end 22

The 3rd end face 23

Bottom surface 24

Second engaging tooth 25,251,252

The first tooth depth t1

The second tooth depth t2

Belt body thickness T 20

Arm body width B 17

Belt body width B 20

Development length L15

Arm body length L17

The first horizontal aperture W01

The second horizontal aperture W02

First vertical aperture V01

Second vertical aperture V02

Predetermined depth d

Default tooth pitch p

First direction B1

Second direction B2

The specific embodiment

Owing to the invention discloses a kind of formula fastening straps of backing out, employed engaging tooth and its relative theory that is meshing with each other to reach chimeric fixed effect can be understood for those of ordinary skills wherein is so with hereinafter explanation, no longer do complete description.Simultaneously, graphic with what hereinafter contrasted, be intended to express the implication of the structure relevant with feature of the present invention, also do not need according to the complete drafting of actual size, formerly statement.

Please refer to Fig. 1, is according to preferred embodiment proposed by the invention, is a kind of formula fastening straps 100 of backing out.This can back out formula fastening straps 100 and include locking 10 and belt bodies 20, locking 10 is formed with a window 11, window 11 further comprises first window 111 and second window 112, belt body 20 has first end 21 and second end 22, first end 21 is connected in locking 10, second end 22 can wear from the window 11 of locking 10 by, and chimeric fixing mutually with locking 10, accordingly can be in order to binding thing to be restrainted.

Please refer to Fig. 2, can back out the block diagram of formula fastening straps 100 for this reason, this locking 10 has base plate 12 (asking for an interview Fig. 1), a pair of first body of wall 13, second body of wall 14 and control lever 15.Base plate 12 has front end 121 and rear end 122, and accordingly, first end 21 of belt body 20 is connected with the rear end 122 of 10 the base plate 12 of locking.The window 11 of locking 10 then is opened in base plate 12, and this is arranged at the left and right sides of base plate 12 respectively to first body of wall 13, and second body of wall 14 is arranged at the front end 121 of base plate 12, and the left and right sides of second body of wall 14 is connected to each first body of wall 13 respectively.Control lever 15 is arranged at window 11 tops of base plate 12, and control lever 15 has first end face 151, and the left and right sides of this control lever 15 is connected to each first body of wall 13 by connecting portion 18 respectively, and in addition, connecting portion 18 also is connected with the arm body 17 of control lever 15.

Please refer to Fig. 3, be the cutaway view of A-A face line among Fig. 1.First end face 151 of control lever 15 vertically down has one section predetermined depth d, this predetermined depth d place be provided with at least one first engaging tooth 16 (for example: two teeth, three teeth ... etc.), this first engaging tooth 16 has second end face 161, and this second end face 161 is formed with the first tooth depth t1, and first end face 151 and second end face 161 with parallel to each other be preferable.In addition, control lever 15 is extended with arm body 17 toward belt body 20 directions, and further, control lever 15 can have a waist 152 (asking for an interview Fig. 2), and the mode of the preferable extension of arm body 17 to be waists 152 from control lever 15 extend this arm body 17 toward the direction of belt bodies 20.In addition, belt body 20 has the 3rd end face 23 and bottom surface 24, and the 3rd end face 23 of belt body 20 is than the arm body 17 of bottom surface 24 more close control lever 15.

Please refer to Fig. 4, for belt body 20 wears the cutaway view of locking 10, wherein belt body 20 is to be worn by first direction B1 to enter locking 10, and then a thing to be restrainted (not shown) is bundled, and desire when withdrawing from the locking 10 when belt body 20, be to be pulled by second direction B2.The bottom surface 24 of belt body 20 is provided with a plurality of second engaging tooths 25, can intermesh with first engaging tooth 16 of control lever 15.Have default tooth pitch p between each second engaging tooth 25 and each second engaging tooth 25 also has the second tooth depth t2, importantly, the first tooth depth t1 (asking for an interview Fig. 3) must be slightly larger than the second tooth depth t2, and predetermined depth d is greater than default tooth pitch p.

Please continue with reference to figure 4, during practical operation, desire bundlees a thing to be restrainted, then with belt body 20 around wait to restraint behind the thing penetrate locking 10 along first direction B 1 after, along first direction B 1 belt body 20 is pulled out again, tighten thing to be restrainted fixing until belt body 20.At this moment, for prevent belt body 20 from second direction B2 be drawn out and certainly locking 10 get loose, so control lever 15 must have enough tension pulls out force.

Generally speaking, when belt body 20 was drawn out from second direction B2, control lever 15 will produce upset (over turn), and then made belt body 20 get loose from locking 10 easily.The present invention the experiment proved that, please continue with reference to figure 4, under the situation of not depressing arm body 17, when belt body 20 was drawn out from second direction B2, owing to second engaging tooth, 251 meetings of belt body 20 and first engaging tooth, the 16 mutual tight engagement of control lever 15, and above-mentioned predetermined depth d was greater than default tooth pitch p, therefore, control lever 15 can hold second engaging tooth 252, makes control lever 15 will postpone or resist upset, and then makes second engaging tooth 251 of belt body 20 and first engaging tooth 16 be difficult for breaking away from.That is to say, this predetermined depth d needs to support at least two second engaging tooths 251,252 simultaneously, that is predetermined depth d need be greater than the default tooth pitch p of belt body 20, therefore, belt body 20 also just is not easy to get loose from locking 10, and can promote the tension pull out force of backing out formula fastening straps 100.

From the above, when of the present invention when backing out formula fastening straps 100 desires one thing to be restrainted being bundled, belt body 20 is worn by locking 10 along first direction B1 from second end 22 of belt body 20 around waiting to restraint thing, second engaging tooth 25 of belt body 20,251, first engaging tooth 16 of 252 control lever 15 promotes along first direction B1 direction, make control lever 15 swing towards the rear end 122 of base plate 12, because the first tooth depth t1 of first engaging tooth 16 is slightly larger than the second tooth depth t2 of second engaging tooth 25, therefore when spurring belt body 20 second ends 22, the operator goes to bundle when waiting to restraint thing from first direction B1, the first tooth depth t1 can not touch the second tooth depth t2, so the operator spurs belt body 20 and does not have resistance, and more smooth-going.Compared to prior art, belt body 20 can enter window 11 at an easy rate.

What give special heed to is, above-mentioned predetermined depth d to be preferable greater than 1.5 times of default tooth pitch p, and the degree of depth of the first tooth depth t1 is being preferable between the degree of depth 0.05mm to 0.1mm that is slightly larger than the second tooth depth t2.

Moreover, please continue to have one section development length L15 with reference to figure 4, the first end faces 151, and this development length L15 is greater than the first tooth depth t1 (asking for an interview Fig. 3).Because wear along first direction B1 after the window 11 that enters locking 10 when belt body 20, desire to break away from locking 10 o'clock along second direction B2 if belt body 20 is stressed, this moment, the stressed meeting of belt body 20 increased, again, because belt body 20 stressed increases make control lever 15 produce upset easily, and then make belt body 20 get loose from locking 10 easily.So can be by this section development length L15, make that control lever 15 can be because belt body 20 stressed increases easily produce upset, and then can make control lever 15 can more firmly withstand belt body 20 that therefore, belt body 20 is not easy to get loose from locking 10.

In addition, be different from the fastening straps that generally can back out formula on the market, need use the position of defeating the engagement of touch-control system and make it remove engagement and the belt body of fastening straps could be unclamped with nail or sharp-pointed article.The formula fastening straps 100 of backing out of the present invention is extended with arm body 17 by control lever 15 toward the direction of belt bodies 20, when the user with arm body 17 during towards second opening, the 112 direction application of forces of window 11, can drive control lever 15 towards 122 swings of the rear end of base plate 12, the distance of win engaging tooth 16 and second body of wall 14 is increased, therefore, belt body 20 is backed out in order to repeated usage along second direction B2 from window 11 places of locking 10, and then can be reduced the cost of use.

In addition, the user can be to 15 extended arm bodies 17 of control lever application of force like a cork, remove the engagement of first engaging tooth 16 with second engaging tooth 25 of belt body 20 of control lever 15, further second end 22 of belt body 20 window 11 places from locking 10 are backed out.Therefore, can reach the purpose of ease of Use.

Please continue with reference to figure 2, for locking 10 structure can more firmly and can be repeatedly used, reversible fastening straps 100 of the present invention further comprises strengthening rib 19, the first half of attended operation bar 15 and arm body 17, accordingly, but the structure of intensified operation bar 15 and arm body 17, and then improve the access times of reversible fastening straps 100 of the present invention.In addition, in the preferred embodiment proposed by the invention, also can a pair of reinforcement structure 191 be set in the left and right sides of the base 12 of this reversible fastening straps 100 again, accordingly, the structure of the base 12 of reversible fastening straps 100 of the present invention more be strengthened.

In addition, for more effective reduction cost of manufacture of backing out formula fastening straps 100 of the present invention, and make it have characteristics such as good holding capacity and good operation, preferable production method is for adopting one-body molded person.Please refer to Fig. 5, for the base plate 12 of locking 10 this towards planar view, first opening, 111 to the second openings, 112 more close second bodies of wall 14 of window 11, and the area of first opening 111 is greater than the area of the section of belt body 20, and the area of second opening 112 is greater than the area of conter of the arm body 17 of control lever 15.

Please continue to have the first horizontal aperture W01 and first vertical aperture V01 with reference to figure 5, the first openings 111, the first horizontal aperture W01 is greater than width B 20, the first vertical aperture V01 of belt body 20 thickness T 20 (please refer to Fig. 3) greater than belt body 20.

In addition, please continue to have the second horizontal aperture W02 and second vertical aperture V02 with reference to figure 5, the second openings 112, the second horizontal aperture W02 is greater than width B 17, the second vertical aperture V02 of arm body 17 length L 17 (please refer to Fig. 3) greater than arm body 17.

Above-mentioned window 11 structures mainly are to be conducive to die sinking, are specially adapted to make small-sized fastening straps, use to produce that structure is strong, the reversible fastening straps 100 of better quality.

The above only is preferred embodiment of the present invention, is not in order to limit the present patent application patent right; Simultaneously above description should understand and enforcement for those of ordinary skills, so other does not break away from the equivalence of finishing under the disclosed spirit and change or modify, and all should be contained in the scope of following claims.

Claims

1. can back out formula fastening straps (100) for one kind, include a locking head (10) and a belt body (20), this locking head (10) is formed with a window (11), this belt body (20) has one first end (21) and one second end (22), this first end (21) is connected in this locking head (10), this second end (22) can from this window (11) wear by, and chimeric fixing mutually with this locking head (10), it is characterized in that:

This locking head (10) has a base plate (12), a pair of first body of wall (13), one second body of wall (14) and a control lever (15), this window (11) of this locking head (10) is opened in this base plate (12), this base plate (12) has a front end (121) and a rear end (122), should be arranged at the left and right sides of this base plate (12) to first body of wall (13), this second body of wall (14) is arranged at this front end (121) of this base plate (12), and this second body of wall (14) each side be connected to each first body of wall (13), this control lever (15) is arranged at this window (11) top of this base plate (12), this control lever (15) has one first end face (151), the left and right sides of this control lever (15) is connected to each first body of wall (13) by a junction (18) respectively, this first end face (151) has a development length (L15), this development length (L15) is greater than this first tooth depth (t1), this first end face (151) is vertical locates to be provided with at least one first engaging tooth (16) toward next predetermined depth (d), this first engaging tooth (16) has one second end face (161), and this second end face (161) is formed with one first tooth depth (t1), and this control lever (15) extends an arm body (17) toward this belt body (20) direction; And

This belt body (20) has one the 3rd end face (23) and a bottom surface (24), the 3rd end face (23) is than this arm body (17) of this bottom surface (24) more close these control lever (15), this bottom surface (24) is provided with a plurality of second engaging tooths (25), can intermesh with this first engaging tooth (16) of this control lever (15), these a plurality of second engaging tooths (25) have a default tooth pitch (p) and one second tooth depth (t2), this first tooth depth (t1) is slightly larger than this second tooth depth (t2), and this predetermined depth (d) is greater than this default tooth pitch (p).

2. the formula fastening straps (100) of backing out according to claim 1 is characterized in that, this first end face (151) is parallel to this second end face (161).

3. the formula fastening straps (100) of backing out according to claim 1, it is characterized in that, this predetermined depth (d) is greater than 1.5 times of this default tooth pitch (p), and the degree of depth of this first tooth depth (t1) is slightly larger than between the degree of depth 0.05mm to 0.1mm of this second tooth depth (t2).

4. the formula fastening straps (100) of backing out according to claim 1, it is characterized in that, this window (11) comprises one first opening (111) and one second opening (112), this first opening (111) is than more close this second body of wall (14) of this second opening (112), the area of this first opening (111) is greater than the area of the section of this belt body (20), and the area of this second opening (112) is greater than the area of conter of this arm body (17) of this control lever (15).

5. the formula fastening straps (100) of backing out according to claim 4, it is characterized in that, this first opening (111) has one first horizontal aperture (W01) and one first vertical aperture (V01), this first horizontal aperture (W01) is greater than the width (B20) of this belt body (20), and this first vertical aperture (V01) is greater than the thickness (T20) of this belt body (20).

6. the formula fastening straps (100) of backing out according to claim 4, it is characterized in that, this second opening (112) has one second horizontal aperture (W02) and one second vertical aperture (V02), this second horizontal aperture (W02) is greater than the width (B17) of this arm body (17), and this second vertical aperture (V02) is greater than the length (L17) of this arm body (17).

7. the formula fastening straps (100) of backing out according to claim 1 is characterized in that this control lever (15) has a waist (152), and this arm body (17) this waist (152) of this control lever (15) certainly extends toward this belt body (20) direction.

8. the formula fastening straps (100) of backing out according to claim 1 is characterized in that, further comprises a strengthening rib (19), connects the first half and this arm body (17) of this control lever (15).

9. the formula fastening straps (100) of backing out according to claim 1 is characterized in that, this connecting portion (18) connects respectively should be to first body of wall (13) this arm body (17) with this control lever (15).