CN201777522U - Releasable tightening strip - Google Patents
Releasable tightening strip Download PDFInfo
- Publication number
- CN201777522U CN201777522U CN2010205282726U CN201020528272U CN201777522U CN 201777522 U CN201777522 U CN 201777522U CN 2010205282726 U CN2010205282726 U CN 2010205282726U CN 201020528272 U CN201020528272 U CN 201020528272U CN 201777522 U CN201777522 U CN 201777522U
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- CN
- China
- Prior art keywords
- tooth
- control lever
- fastening straps
- depth
- face
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- Expired - Lifetime
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Abstract
A releasable tightening strip comprises a locking head and a strip body, wherein the locking head is provided with a bottom board, a pair of first walls, a pair of second walls and an operating bar, the bottom board of the locking head is provided with a window, the operating bar is arranged above the window, the left side and the right side of the operating bar are respectively connected with the corresponding first walls through connecting parts, the operating bar is provided with a first top face, at least one first meshing tooth is arranged at the vertically downwardly recessed position with a preset depth on the first top face, the first meshing tooth is provided with a second top face, the second top face forms a first tooth depth, and the operating bar is provided with an arm extending towards the strip body. The strip body is provided with a third top face and a bottom face, and a plurality of second meshing teeth are arranged on the bottom face of the strip body and capable of being meshed with the first meshing teeth of the operating bar. The second meshing teeth are provided with second tooth depths with preset tooth spaces, the first tooth depth is larger than the second tooth depths, and the preset depth is larger than the preset tooth spaces.
Description
Technical field
The utility model 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 or the like, 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 cost very inconvenient, that raising is used, also cause the waste of resource.
The utility model content
In order to solve the desirable not to the utmost part of above-mentioned prior art, the utility model provides a kind of formula fastening straps of backing out, and includes 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 fix with the locking head is chimeric 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 the 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 utility model 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 utility model provides a kind of formula fastening straps of backing out, and has one section predetermined depth between the 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 purpose more of the present utility model 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 of 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 utility model 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 according to the preferred embodiment that the utility model proposes, and is a kind of formula fastening straps of backing out.
Fig. 2 is a block diagram, is according to the preferred embodiment that the utility model proposes, and is a kind of formula fastening straps of backing out.
Fig. 3 is a cutaway view, is according to the preferred embodiment that the utility model proposes, and is a kind of formula fastening straps of backing out.
Fig. 4 is a cutaway view, is according to the preferred embodiment that the utility model proposes, and is a kind of formula fastening straps of backing out.
Fig. 5 is a planar view, is according to the preferred embodiment that the utility model proposes, and is a kind of formula fastening straps of backing out.
[primary clustering nomenclature]
Can back out formula fastening straps 100
Locking 10
First opening 111
First body of wall 13
Second body of wall 14
Control lever 15
First engaging tooth 16
Connecting portion 18
Strengthening rib 19
The 3rd end face 23
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 utility model discloses a kind of formula fastening straps of backing out, wherein employed engaging tooth and it is meshing with each other with the relative theory that reaches chimeric fixed effect has been that those of ordinary skills can understand, so, no longer do complete description with explanation hereinafter.Simultaneously, graphic with what hereinafter contrasted, be intended to express the implication of the structure relevant with the utility model feature, also do not need according to the complete drafting of actual size, formerly statement.
Please refer to Fig. 1, is the preferred embodiment that proposes according to the utility model, 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 mutually fixing with locking 10, in view of the above 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 in view of the above, 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 (for example: two teeth, three teeth is provided with at least one first engaging tooth 16 ... or the like), 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 B 1 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 B1 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 utility model 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 utility model 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, and this development length L15 is greater than the first tooth depth t1 (asking for an interview Fig. 3) with reference to figure 4, the first end faces 151.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 if belt body 20 is stressed along second direction B2, 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, make that control lever 15 can be because of 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 oneself and locks and 10 get loose by this section development length L15.
In addition, be different from the fastening straps that generally can back out formula on the market, need the belt body of fastening straps could be unclamped with defeating touch-control system ingear position and making it remove engagement with nail or sharp-pointed article.The formula fastening straps 100 of backing out of the present utility model 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 the 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 utility model further comprises strengthening rib 19, the first half of attended operation bar 15 and arm body 17, in view of the above, 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 utility model.In addition, in the preferred embodiment that the utility model proposed, also can a pair of additional strengthening 191 be set again, in view of the above, the structure of the base 12 of reversible fastening straps 100 of the present utility model more be strengthened in the left and right sides of the base 12 of this reversible fastening straps 100.
In addition, for more effective reduction cost of manufacture of backing out formula fastening straps 100 of the present utility model, 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 help 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 is the utility model preferred embodiment only, is not to apply for a patent right in order to limit the utility model; Simultaneously above description should understand for those of ordinary skills and implement, so other does not break away from the equivalence of being finished under the spirit that the utility model discloses and change or modify, and all should be contained in the scope of following claims.
Claims (10)
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 mutually fixing 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) 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) has a development length (L15), and this development length (L15) is greater than this first tooth depth (t1).
3. 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).
4. 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).
5. 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).
6. the formula fastening straps (100) of backing out according to claim 5, 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).
7. the formula fastening straps (100) of backing out according to claim 5, 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).
8. 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.
9. 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).
10. 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205282726U CN201777522U (en) | 2010-09-09 | 2010-09-09 | Releasable tightening strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205282726U CN201777522U (en) | 2010-09-09 | 2010-09-09 | Releasable tightening strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201777522U true CN201777522U (en) | 2011-03-30 |
Family
ID=43790745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205282726U Expired - Lifetime CN201777522U (en) | 2010-09-09 | 2010-09-09 | Releasable tightening strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201777522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398727A (en) * | 2010-09-09 | 2012-04-04 | 健和兴端子股份有限公司 | Separable lacing |
-
2010
- 2010-09-09 CN CN2010205282726U patent/CN201777522U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398727A (en) * | 2010-09-09 | 2012-04-04 | 健和兴端子股份有限公司 | Separable lacing |
| CN102398727B (en) * | 2010-09-09 | 2013-07-10 | 健和兴端子股份有限公司 | Separable lacing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110330 Effective date of abandoning: 20130710 |
|
| RGAV | Abandon patent right to avoid regrant |