CN1271321A

CN1271321A - Locking device

Info

Publication number: CN1271321A
Application number: CN 98809308
Authority: CN
Inventors: 奥夫·阿尔格伦
Original assignee: BIWEX AB
Current assignee: BIWEX AB
Priority date: 1997-10-06
Filing date: 1998-10-05
Publication date: 2000-10-25
Also published as: SE510655C2; EP1051336A1; CZ20001218A3; JP2001519292A; DE19881761T1; PL339623A1; CA2305584A1; BR9812877A; AU9469098A; WO1999018005A1; SE9703637D0; SE9703637L

Abstract

The invention relates to a device in a bundle tie. This comprises an elongated tie part (2) of a certain width and thickness, which at one end has an elongated insertion part (3) of lesser width than the tie part (2) and at its other end has a locking head (1) with a through-opening (6) for the tie part (2). The opening has essentially the same width as the tie part (2), but a height greater than the thickness of the tie part (2). In one transverse wall of the opening is a slit (7), the width of which is such that it allows the insertion part (3) to be inserted into the opening (6) via the slit (7), forming a tie loop, interacting elements designed to lock the tie part (2) in relation to the locking head (1) being provided on the tie part (2) and in the locking head (1). The said locking elements take the form of a tongue (8) which, emerging from the bottom of the opening (6) at one end of the opening (6), extends approximately diagonally towards the other end of the opening (6) and towards the slit (7). The locking elements are designed to positively and detachably interlock in one another.

Description

Blocking device

The present invention relates to a kind of strapping device, comprise that one has the elongated bundle pastern of a certain width and thickness, prick pastern and at one end have a width less than the elongated insertion section of pricking pastern, and have one at its other end and have an elongated insertion part that is used to prick the through hole of pastern, described hole has with the bundle essentially identical width of pastern but greater than the height of pricking pastern thickness, and at a gap of the transverse wall in described hole, the width of gap is determined to such an extent that allow described insertion section to insert described hole via gap, forming one, to prick be ring, and design is used for detachably locking each mutual action spare of pricking pastern with respect to elongated insertion part and is arranged on and pricks on the pastern and in the hole of elongated insertion part.

Above-mentioned design-calculated is used and is illustrated in Swedish patent No.9404328-8 so that produce a strapping, among the publication number No.503217.Yet, this known design has inherent defective, limited it to a large extent and used, because the expense reason of the particularly manufacturing aspect that technological characteristics time-consuming manufacturing problem not enough and that owing to high processing charges and other cost is improved is caused.Except cost-cutting, also wish to obtain the convenience that better technological characteristics particularly uses, and be not cost to reduce locking efficient.In addition, also seek new technological characteristics, get loose and open such as tying up on a cable harness for example and tightening with the locking that tightens strapping that reduces the cable harness requisite space convenient.Tighten and can strengthen locking action, make strapping convenient get loose or open impossible basically.When hope got loose or opens known strapping, this usually can be owing to cause strapping to damage by it is cut off.

The objective of the invention is to realize the improvement of these expections and the above-mentioned defective in the described device of elimination previous section.

Realized this purpose in the present invention's device that part illustrates in front, be that described each locking piece is a tongue, end in the hole roughly extends along the other end and the gap of diagonal towards the hole from the bottom in hole, and is that described each locking piece design is used for locking mutually reliably.

According to a special characteristic, tongue stretches out to form a release portion via the hole.On the tongue and each locking piece of pricking on the pastern be locking teeth, perhaps each locking piece on the tongue be at least one locking projections in addition, and each locking piece of pricking on the pastern is used for and the interactional a plurality of locking notches of locking projections for designing.Each locking piece also can be the combination of locking teeth, locking projections and locking notch.Strapping has a width and the essentially identical insertion section of flute profile notch.Free end in the insertion section also has a grasping band, and its width is greater than the width in hole.

By the present invention, obtained a kind of hope realizes various possibility application scenario of locking or engaging between bundle pastern and elongated insertion part strapping that can be used in.The device that extends through the ligulate locking piece of through hole along diagonal line that has in housing from the bottom roughly of the present invention is an actv. and have wide applications extremely.This allows to pass locking piece in the hole of housing and is independent of around its outer wall and freely rotates, and has realized and the more effective of bundle pastern that insert in the housing via the flute profile notch engages.So-called uncovered housing is compared with the previously known design with the combination of the tongue that is disposed at wherein and extends from bottom angled has many advantages.

Below in conjunction with the accompanying drawing embodiment of the present invention will be described in more detail, wherein

Fig. 1 is the top view of strapping that has an embodiment of apparatus of the present invention;

Fig. 2 is the longitudinal profile view by Fig. 1 strapping;

Fig. 3 is the partial view of strapping that has the device of another embodiment of the present invention;

Fig. 4 is the cross section view by installing among Fig. 3;

Fig. 5 is the partial cross sectional views of strapping that has the device of further embodiment of this invention;

Fig. 6 is the partial side, cross-sectional view of strapping among Fig. 5.

The embodiment that is shown in the strapping of the present invention of Fig. 1 and 2 comprises that a shell portion 1, a bundle pastern 2, a width are less than an insertion section 3 of pricking pastern 2 and an end 4 as the grasping band.Be similar to the length of insertion section 3, the length of pricking pastern 2 is random in principle, but should be that housing 1 is so long at least.The width of end 4 is greater than the width of pricking pastern 2, and at least one side is provided with each ridge 5 to be convenient to the grasping of this part when strapping being tightened on a for example cable harness etc.End 4 also has the another one critical function.Because its width makes it can not pass hole 6, can form a pine in the notches 7 easily and be enclosed within a ring on for example a branch of cable by insertion section 3 is introduced downwards.In case of necessity, other cable can insert in this ring before strapping is tightened.Housing 1 is provided with a through hole 6, its housing vertically on extend and be transverse to strapping each several part 2-4.One flute profile notch 7 extends through the upper wall of housing and has the width that is complementary with insertion section 3, and has bevel edge edge outwardly, and bevel edge is along the guide edge edge that can be considered as insertion section 3 is imported through hole 6 downwards.The locking piece of one tongue, 8 forms is disposed in the through hole 6.The opposite end and the flute profile notch 7 in hole 6 drawn and stretched to obliquely basically to tongue 8 from the bottom of through hole 6.In the side towards flute profile notch 7, tongue 8 is provided with some locking teeths 9, and it is used for and pricks corresponding locking teeth 10 mutual actions on the pastern 2.Locking teeth 10 extends between marginal portion 11 and 12, and pricks pastern 2 with the same depression in the past in (sunk in).Marginal portion 11 and 12 outwards extends through the apparent surface who pricks pastern 2, owing to strengthen strapping and prevent that engaging between locking teeth 10 and the locking teeth 9 from getting loose.If desired, each marginal portion can be provided with friction member, with the suitable friction member mutual action of surveying in the through hole 6 that is positioned at flute profile notch 7 both sides.After will pricking the through hole 6 that pastern 3 inserts tongues 8 tops, the latter is depressed towards bottom 61 and resilience later engages with locking between 10 to tighten up tooth 9.It needs to be noted that the form of tongue and the fixed position in hole 6 mean that the locking between the locking teeth 9 and 10 engages to be increased along with the increase of strapping 2 tensile forces.

Can be clear that from Fig. 1 tongue 8 is complete in through hole 6 freely to rebound, this is convenient to widely and guarantees joint between locking teeth 9 and 10.Pastern 2 guiding at tongue 8 either sides in through hole 6 inside is also guaranteed to prick in each marginal portion 11 and 12, and this releases pressure and separates on the wall of the housing 1 of tongue 8 both sides.

Embodiment shown in Fig. 3 of the present invention and 4 corresponds essentially to person shown in Fig. 1 and 2, and just tongue is provided with a release portion 13, and it is convenient to the following curved of tongue 8, thereby locking teeth 9 and the locking teeth of pricking on the pastern 2 10 are disengaged.Each wall that Fig. 3 also illustrates in the through hole 6 is downward-sloping towards the bottom, thereby becomes narrow slightly, advantageously generates each wall of thickening slightly in through hole 6 both sides.In broad terms, the embodiment shown in Fig. 5 and 6 is corresponding to previous embodiment, and just smaller the and tongue 8 of release portion 13 is provided with a locking projections 14, its setting be used for prick pastern 2 on notch 15 engage.Locking projections 14 combines with notch 15 and has formed more significantly firm interlocking joint.

The various embodiments described above of the present invention are preferably made by any plastics.

Many remodeling of the various embodiments described above clearly fall into the framework of the notion of the present invention that is limited by follow-up claim.

Claims

1. strapping device, comprise that one has the elongated bundle pastern (2) of a certain width and thickness, prick pastern and at one end have a width less than the elongated insertion section (3) of pricking pastern (2), and have one at its other end and have an elongated insertion part (1) that is used to prick the through hole (6) of pastern (2), through hole has with the bundle essentially identical width of pastern (2) but greater than the height of pricking pastern (2) thickness, and the gap (7) on a transverse wall in described hole, the width of gap is determined to such an extent that allow described insertion section (3) to insert described hole (6) via gap (7), forming a bundle is ring, design be used for respect to each mutual action spare that pastern (2) is pricked in elongated insertion part (1) locking be arranged on prick that pastern (2) is gone up and elongated insertion part (1) in, it is characterized in that, described each locking piece shape is a tongue (8), its in the hole one end of (6) bottom of (6) draw and roughly stretch to the other end and the gap (7) in hole (6) from the hole along diagonal line, and described each part design is used for reliably and detachably locking mutually.

2. according to the described device of claim 1, it is characterized in that described tongue (8) stretches out to form a release portion (13) via described hole (6).

3. according to each described device among the claim 1-2, it is characterized in that described tongue (8) and described each part (9) of pricking on the pastern are locking teeth.

4. according to any one described device among the claim 1-2, it is characterized in that, described each part on the described tongue (8) is at least one locking projections (14), and each friction member on the described bundle pastern (2) is and the interactional a plurality of locking notches of described locking projections (14) (15).

5. according to claim 3 and 4 described devices, it is characterized in that described each part is locking teeth (9,10) and locking projections (14) and both combinations of locking notch (15).

6. any one described device in requiring according to aforesaid right is characterized in that its width is arranged on the free end of insertion section (3) greater than a grasping band (4) of described hole (6) width.