WO2012155372A1 - Wire-binding band - Google Patents

Abstract

A wire-binding band. The wire-binding band includes a band body made of a soft material. The band body includes a base portion (1) and a movable portion (2) which is arranged and extended at one side of the base portion (1). The movable portion (2) includes a coiling portion (21) and a covering portion (22). The base portion (1) and the covering portion (22) are respectively arranged at two opposite sides of the coiling portion (21). The coiling portion (21) is provided with a first buckling portion (211). The covering portion (22) is provided with a second buckling portion (221). The base portion (1) is provided with a first relative buckling portion (11) in an aligning manner corresponding to the first buckling portion (211). The base portion (1) is provided with a second relative buckling portion (12) in an aligning manner corresponding to the second buckling portion (221). When the wire-binding band is in operation, the first buckling portion (211) buckles the first relative buckling portion (11); the band body is sleeved on the wires to be bound by the cooperation of the base portion (1) and the coiling portion (21); the covering portion (22) winds towards the second relative buckling portion (12), so the second buckling portion (221) buckles the second relative buckling portion (12), and the arranged wires to be bound are covered and fastened by the covering portion (22).

Description

 Description

 A strapping belt

 The utility model relates to the technical field of wire auxiliary devices, in particular to a strapping belt. Background technique

 In daily life, electrical appliances have been widely used in a variety of occasions, and these electrical appliances are generally attached with a wire structure for electrical conduction or other connection, for example, power cords, earphone cords, etc. used in general household appliances; The above various wire structures are often staggered and entangled during use, which causes inconvenience in use and storage, and even causes the risk of accidentally tripping over.

 In addition, in view of the above problems, rubber bands, straps or wrapable wires are commonly used to bundle the various wire structures described above to avoid problems such as scattering or staggering and winding. Although the above-mentioned rubber band, belt and the like can solve the problems of disorder, staggering and winding of the wire structure, there are some defects in the use process, such as unbundling and inconvenient disassembly.

Utility model content

 SUMMARY OF THE INVENTION The object of the present invention is to provide a wire binding tape which is convenient and has a good binding effect in view of the deficiencies of the prior art. Moreover, the bundled wire is also easily released.

 In order to achieve the above object, the present invention is achieved by the following technical solutions.

A strapping belt comprising a belt body made of a soft material, the belt body comprising a base And a movable portion extending on a side of the base, the movable portion includes a winding sleeve portion and a covering portion, wherein the base portion and the covering portion are respectively located on opposite sides of the winding sleeve portion, and the winding sleeve portion is formed with the first fastening portion The cover portion is formed with a second fastening portion, the base portion is provided with a first relative fastening portion corresponding to the first fastening portion, and the base portion is provided with a second relative fastening portion corresponding to the second fastening portion; When the part is in operation, the sleeve portion is wound toward the first relative fastening portion, the first fastening portion is engaged with the first relative fastening portion, and the covering portion is wound toward the second relative fastening portion, and the second fastening portion is Engaged with the second relative fastening portion.

 a winding hole is formed between the base and the sleeve portion, and the first relative fastening portion is disposed at an edge portion of the winding hole; when the movable portion is working, the movable portion is wound and penetrates Winding holes.

 The first fastening portion is a columnar protrusion extending on a surface of the sleeve portion, and the first relative fastening portion is a groove disposed on the same side of the first fastening portion, and the first relative buckle The joint portion is disposed at an edge portion of the winding hole away from the first fastening portion.

 The first fastening portion is symmetrically disposed on both sides of the winding sleeve portion, and the first relative fastening portion is symmetrically disposed at both edge portions of the winding hole, wherein the first fastening portion The abutting side is disposed on a side closer to the base portion; when the movable portion is in operation, the resisting side of the first engaging portion abuts against the first opposing engaging portion.

 The first fastening portion is a columnar hole formed in the sleeve portion, and the first relative fastening portion is a columnar protrusion extending from an edge portion of the winding hole.

Wherein the first relative fastening portion and the second opposite fastening portion are integrally formed on the same side of the base portion and disposed opposite to the movable portion, the base portion, the first relative fastening portion and the second relative portion The fastening portion is connected in sequence, wherein the root of the first relative fastening portion is connected with the base portion The root of the second relative fastening portion is connected to the top of the first relative fastening portion. When the movable portion is in operation, the sleeve portion and the covering portion are sequentially wound around the base portion.

 Wherein, the sleeve portion is provided with at least two first fastening portions, and the covering portion is provided with at least two second fastening portions.

 The base portion includes a windable and planar wrapping surface, the second opposite fastening portion is disposed on a back side of the wrapping surface, and the first relative fastening portion is disposed at a base portion away from the The end surface of the first sleeve portion is provided with a third opposite fastening portion along the lateral direction of the belt body, and the third sleeve portion is provided with a third fastening portion corresponding to the third relative fastening portion. When the movable part works, the third fastening part is engaged with the third relative fastening part.

 Wherein, the base portion includes a wraparound and arcuate wrapping surface, the second opposite engaging portion is disposed on a back side of the wrapping surface, and a free connecting end of the base portion is provided with a planar connecting block. The first relative fastening portion is disposed on the inner surface of the connecting block, and the inner surface of the connecting block is respectively disposed on the two sides of the first opposite fastening portion along the lateral direction of the belt body with a third relative fastening portion, and the sleeve The third corresponding fastening portion is provided with a third fastening portion. When the movable portion is in operation, the third fastening portion is engaged with the third relative fastening portion.

An expansion slot is defined between the first fastening portion and the second fastening portion. The utility model has the beneficial effects that: the wire binding belt of the utility model comprises a belt body prepared from a soft material, the belt body comprising a base portion and a movable portion extending on one side of the base portion, the activity The portion includes a sleeve portion and a covering portion, the base portion and the covering portion are respectively located on opposite sides of the sleeve portion, the sleeve portion is formed with a first fastening portion, and the covering portion is formed with a second fastening portion, the base portion a first fastening portion is disposed in alignment with the first fastening portion, and a second fastening portion is disposed in alignment with the second fastening portion of the base portion; when the movable portion is in operation, the first buckle is The joint portion is engaged with the first relative fastening portion; the covering portion is wound toward the second opposite fastening portion, and the second fastening portion is engaged with the second opposite fastening portion. In the working process of the utility model, the first fastening portion is engaged with the first relative fastening portion. At this time, the utility model fits the belt body on the wire to be bundled by the cooperation of the base portion and the wind sleeve portion; After the wire is finished, the covering portion is wound toward the second opposite fastening portion, and the second fastening portion is engaged with the second opposite fastening portion. At this time, the utility model adopts the covering portion to arrange the bundled wire to be bundled. Cover and fix. The utility model realizes the stable and effective binding of the wire material by the cooperation of the first fastening portion and the first relative fastening portion and the second fastening portion and the second relative fastening portion, and the whole binding process is convenient; therefore, The utility model has the advantages of convenient bundling and good binding effect, and in addition, the wire bundled by the utility model can be easily unloaded.

DRAWINGS

 The present invention will be further described with reference to the drawings, but the embodiments of the drawings do not constitute any limitation of the present invention.

 1 is a schematic structural view of a first embodiment of a cable tie according to the present invention;

 2 is a schematic structural view of a winding sleeve portion of a first embodiment of the present invention;

 Figure 3 is a schematic view showing the structure of the covering portion of the first embodiment of the present invention;

 4 is a schematic structural view of a second embodiment of a cable tie according to the present invention;

 Figure 5 is a schematic view showing the structure of the coiled sleeve portion of the second embodiment of the present invention;

Figure 6 is a structural view of the covering portion of the second embodiment of the present invention Schematic diagram

 7 is a schematic structural view of a third embodiment of the present invention; FIG. 8 is a schematic structural view of the winding portion of the third embodiment of the present invention;

 Figure 9 is a schematic view showing the structure of the covering portion of the third embodiment of the present invention;

 10 is a schematic structural view of a fourth embodiment of the present invention; FIG. 11 is a schematic structural view of the winding portion of the fourth embodiment of the present invention;

 Fig. 12 is a schematic view showing the structure of the covering portion of the fourth embodiment of the presenting strap of the present invention.

 13 is a schematic structural view of a fifth embodiment of the present invention; FIG. 14 is a schematic structural view of the winding portion of the fifth embodiment of the present invention;

 Figure 15 is a schematic view showing the structure of the covering portion of the fifth embodiment of the binding tape according to the present invention;

 Figure 16 is a schematic structural view of a sixth embodiment of the present invention; and Figure 17 is a schematic view showing the structure of the winding portion of the sixth embodiment of the present invention;

Fig. 18 is a structural schematic view showing the working portion of the covering portion of the sixth embodiment of the present invention. Included in Figures 1 to 18 are:

1 base 11 - first relative fastening portion 12 second relative fastening portion 13 - wrapping surface 14 - third relative fastening portion 15 - connecting block 2 - movable portion 21 - wrap portion 211 - - first fastening

2111——Resistance side 212——The third fastening part 22——Covering part

221——Second fastening part 3——winding hole 4 expansion slot

 The present invention will be further described below in conjunction with the embodiments.

Embodiment 1 As shown in FIG. 1 to FIG. 3 , a strapping belt includes a belt body prepared from a soft material, the belt body including a base portion 1 and a movable portion 2 extending on a side of the base portion 1 The movable portion 2 includes a sleeve portion 21 and a covering portion 22, and the base portion 1 and the covering portion 22 are respectively located on opposite sides of the sleeve portion 21, and the sleeve portion 21 is formed with a first fastening portion 211, which is covered. The second portion 14 is formed with a second fastening portion 221 . The base portion 1 is provided with a first relative fastening portion 11 corresponding to the first fastening portion 211 . The base portion 1 is provided with a second relative fastening portion corresponding to the second fastening portion 221 . When the movable part 2 is in operation, the sleeve portion 21 is wound toward the first relative fastening portion 11, the first fastening portion 211 is engaged with the first relative fastening portion 11; the covering portion 22 is facing the second relative portion The fastening portion 12 is wound, and the second fastening portion 221 is engaged with the second relative fastening portion 12 . In the first embodiment, the belt body is made of a soft material, and the soft material may be rubber or silica gel; when the belt body is made of the above soft material, the base portion 1, the sleeve portion 21, the covering portion 22, a first fastening portion 211 , a first relative fastening portion 11 , a second fastening portion 221 , and The second relative fastening portion 12 can be integrally prepared by injection molding. Of course, the above-mentioned belt material and the preparation method of the belt body do not constitute a limitation of the present invention.

 During the working process of the present invention, the sleeve portion 21 is wound toward the first relative fastening portion 11 and the first fastening portion 211 is engaged with the first relative fastening portion 11 . At this time, the utility model passes through the sleeve portion. 21 sets are disposed on the wire to be bundled; after the wire to be bundled is finished, the covering portion 22 is wound toward the second opposite fastening portion 12 and the second fastening portion 221 is engaged with the second opposite fastening portion 12, In the present invention, the bundled wire to be bundled is covered and fixed by the covering portion 22. The utility model realizes the stable and effective binding of the wire by the cooperation between the first fastening portion 211 and the first relative fastening portion 11 and the second fastening portion 221 and the second relative fastening portion 12, the whole binding process Convenient; therefore, the utility model has the advantages of convenient bundling and good binding effect, and in addition, the wire bundled by the utility model can be easily unloaded.

In a preferred embodiment, a winding hole 3 is formed between the base portion 1 and the sleeve portion 21, and the first relative fastening portion 11 is disposed at an edge portion of the winding hole 3; when the movable portion 2 is in operation, the movable portion 2 is wound It is wound around the winding hole 3. In the preparation process of the present invention, the winding hole 3 can be prepared by integrally molding the base portion 1, the wrap portion 21, the covering portion 22, the first engaging portion 211, the second engaging portion 221, and the like. When the wire to be bundled is sheathed and covered by the utility model, the covering portion 22 and the sleeve portion 21 are wound and sequentially passed through the winding hole 3; when the winding portion 21 is inserted into the winding hole 3 - the fixed position The first fastening portion 211 is engaged with the first fastening portion 11 . At this time, the winding portion 21 is connected to the first fastening portion 11 by the fastening connection between the first fastening portion 211 and the first fastening portion 11 . The strap is sleeved on the wire to be bundled. Further, the first fastening portion 211 is a columnar protrusion extending on the surface of the sleeve portion 21, and the first relative fastening portion 11 is a groove disposed on the same side of the first fastening portion 211, and the first relative fastening portion The portion 11 is provided at an edge portion of the winding hole 3 away from the first engaging portion 211. In this embodiment, the first fastening portion 211 may be a quadrangular prismatic protrusion, a cylindrical protrusion or a protrusion of other shapes, and the first relative fastening portion 11 is a concave corresponding to the first fastening portion 211. groove. In the process of bundling the wire with the wire binding tape of the embodiment, the user first moves the tape body to the proper position of the wire to be bundled and the wire to be bundled to the back surface of the first fastening portion 211; After the position to be bundled is determined, the movable portion 2 is wound along the normal direction of the back surface of the first fastening portion 211 and sequentially inserted into the winding hole 3 through the covering portion 22 and the winding portion 21; The cover portion 22 is such that the first fastening portion 211 is engaged with the first fastening portion 11 . At this time, the winding portion 21 holds the wire to be bundled, that is, the utility model is set by the winding portion 21 Bundled on the wire (as shown in Figure 2); After the sleeve portion 21 of the present invention is sleeved on the wire to be bundled, the appropriate length is used to wrap and arrange the excess length of the wire to be bundled, and then the second buckle is wound. The joint portion 221 is engaged with the second relative fastening portion 12. At this time, the utility model coats and fixes the bundled wire to be bundled by the covering portion 22 (as shown in FIG. 3).

In a preferred embodiment, an expansion slot 4 is defined between the first fastening portion 211 and the second fastening portion 221 . The expansion slot 4 can be designed in various shapes such as a rectangular through hole, an oblong through hole, and a prismatic through hole. The number of the expansion slots 4 is not particularly limited, and the number thereof can be determined according to the size specifications of the movable portion 2. The expansion slot 4 is mainly for softening the movable portion 2 and enhancing the elasticity of the movable portion 2, that is, during the use of the utility model, the expansion slot 4 is pulled and deformed, and the covering portion 22 is elastically pulled together with the expansion slot 4, and then increase The scope of the present invention.

 As a preferred embodiment, the sleeve portion 21 is provided with at least two first fastening portions 211; and the covering portion 22 is provided with at least two second fastening portions 221 . The utility model enhances the flexibility by providing a plurality of first fastening portions 211 and a plurality of second fastening portions 221 on the movable portion 2, that is, the utility model can adjust the fastening position at any time to meet the bundle of wires with different diameters. Wait for the request. In addition, the present invention can also provide a plurality of rows of first fastening portions 211 and second fastening portions 221 along the longitudinal direction of the belt body. Accordingly, the first relative fastening portions 11 and the second relative fastening portions 12 can be The plurality of columns are arranged, that is, the utility model can enhance the strength of the sleeve of the utility model and the covered wire through a plurality of fastening positions.

 The second embodiment is different from the first embodiment in that the first fastening portion 211 is symmetrically disposed on both sides of the sleeve portion 21, and the first relative fastening portion 11 is shown in FIG. Symmetrically disposed at both edge portions of the winding hole 3, wherein the first fastening portion 211 is provided with a resisting side 2111 on a side close to the base portion 1; when the movable portion 2 is in operation, the first engaging portion 211 is resisted The side 2111 abuts against the first relative fastening portion 11 . The wrapping portion 22 and the winding portion 21 are wound according to the working mode of the first embodiment. The difference of the second embodiment is that the movable portion 2 can be wound in two different directions, that is, the winding portion 21 and the covering portion 22 There are two working faces respectively; when the wire is sheathed and covered by the utility model, the wire to be bundled is attached to one of the working faces of the sleeve portion 21; when the sleeve portion 21 penetrates to the winding hole 3 In the position, the first fastening portion 211 is buckled in the winding hole 3, and at this time, the resisting side 2111 of the first fastening portion 211 abuts against the first relative fastening portion 11 (as shown in FIGS. 5 and 6). ).

Embodiment 3 As shown in FIG. 7 to FIG. 9 , the difference between the third embodiment and the first embodiment is that the first fastening portion 211 is a columnar hole formed in the sleeve portion 21 , and the first relative fastening portion is formed. 11 is a columnar projection extending to the edge portion of the winding hole 3. The wrapping portion 22 and the winding portion 21 are wound according to the working mode of the first embodiment. The third embodiment is different in that: when the winding portion 21 penetrates into the winding hole 3 - the first engaging portion 211 Centering with the first opposing engaging portion 11, at this time, the first opposing engaging portion 11 is inserted into the first engaging portion 211 and positioning of the wrap portion 21 is achieved (as shown in FIGS. 8 and 9).

 Embodiment 4, as shown in FIG. 10 to FIG. 12, the difference between the fourth embodiment and the first embodiment is that the first relative fastening portion 11 and the second opposite fastening portion 12 are integrally formed on the same side of the base portion 1 and The base portion 1, the first relative fastening portion 11 and the second opposite fastening portion 12 are sequentially connected to each other, wherein the root of the first relative fastening portion 11 is connected with the base portion 1 and the second relative fastening portion is connected. The root of the portion 12 is connected to the top of the first opposing engaging portion 11; when the movable portion 2 is in operation, the wrap portion 21 and the covering portion 22 are sequentially wound around the ring base portion 1. The working manner of the binding tape of the fourth embodiment differs from the working mode of the binding tape of the first embodiment. The difference is expressed as follows: the winding portion 21 and the covering portion 22 are sequentially wound around the ring base 1; In the working process of the wire tying belt of the embodiment, the ring base portion 1 of the wind sleeve portion 21 is first wound and the first fastening portion 211 is sequentially passed through the second relative fastening portion 12 and the first relative fastening portion 11 and finally The first fastening portion 11 is fastened. At this time, the sleeve portion 21 is positioned by the fastening connection between the first fastening portion 211 and the first relative fastening portion 11 , and the sleeve portion 21 holds the wire to be bundled. (As shown in FIG. 11); the loop base portion 1 is wound around the covering portion 22 and the second engaging portion 221 is engaged with the second opposing engaging portion 12, at this time, the covering portion 22 will be arranged to be bundled. The wire is covered and fixed (as shown in Figure 12).

Embodiment 5 As shown in FIG. 13 to FIG. 15 , the difference between the fifth embodiment and the first embodiment is that: the base portion 1 includes a wraparound and planar winding surface 13 , and the second relative fastening The first portion 12 is disposed on the back side of the wrapping surface 13 , and the first opposite fastening portion 11 is disposed on the end surface of the base portion 1 facing away from the sleeve portion 21 . The two sides of the first opposing fastening portion 11 are respectively disposed along the lateral direction of the belt body. The third fastening portion 14 is provided with a third fastening portion 212 corresponding to the third fastening portion 14 . When the movable portion 2 is in operation, the third fastening portion 212 and the third fastening portion 14 are buckled. Hehe. As shown in FIG. 13 to FIG. 15 , during the operation of the binding tape of the fifth embodiment, the base 1 is wound toward the first fastening portion 211 and the first fastening portion 211 is engaged with the second fastening portion 221 . Then, the third fastening portion 212 is fastened to the third fastening portion 14 . At this time, the wrapping surface 13 of the base 1 is wrapped around the wire to be bundled and the tape is sleeved on the wire to be bundled; The process of covering and fixing the wire to be bundled is similar to that of the first embodiment, and will not be described herein. The third opposite fastening portion 14 on the side of the first opposite fastening portion 11 is engaged with the third fastening portion 212 for the purpose of: further reinforcing the wrapping surface of the base 1 to ensure the stability of the bundle to be bundled. Sex.

Embodiment 6 As shown in FIG. 16 to FIG. 18, the difference between the sixth embodiment and the fifth embodiment is that the base portion 1 includes a wraparound and curved surface of the wrapping surface 13, and the second opposite engaging portion 12 The first end of the base portion 1 is disposed on the inner surface of the connecting block 15, and the inner surface of the connecting block 15 is disposed on the inner surface of the connecting block 15 at the free end of the base portion 1. The third side of the fastening portion 11 is disposed with a third fastening portion 14 along the lateral direction of the belt body. The second sleeve portion 21 is provided with a third fastening portion 212 corresponding to the third fastening portion 14 . The third fastening portion 212 is engaged with the third relative fastening portion 14 . The working manner of the tying belt of the sixth embodiment is similar to that of the tying belt of the fifth embodiment, and is not described herein. In the working process of the tying belt of the sixth embodiment, the third fastening portion 212 is used. After being engaged with the third relative fastening portion 14, the inner surface of the connecting block 15 is The working surface of the sleeve portion 21 is fitted.

 The above description is intended to be illustrative, and not restrictive, and many modifications, variations, and equivalents may be made without departing from the spirit and scope of the invention. However, it is intended to fall within the scope of the claims of the invention.

Claims

Claim  A strapping belt comprising a belt body made of a soft material, characterized in that: the belt body comprises a base portion (1) and a movable portion (2) extending on a side of the base portion (1), The movable part (2) includes a winding sleeve portion (21) and a covering portion (22), and the base portion (1) and the covering portion (22) are respectively located on opposite sides of the winding sleeve portion (21), and the winding portion ( 21) The first fastening portion (211) is formed, the covering portion (22) is formed with a second fastening portion (221), and the base portion (1) is provided with the first relative portion corresponding to the first fastening portion (211). a fastening portion (11), the base portion (1) is provided with a second relative fastening portion (12) corresponding to the second fastening portion (221); and when the movable portion (2) is in operation, the first fastening portion (211) ) is engaged with the first relative fastening portion (11); the covering portion (22) is wound toward the second opposite fastening portion (12), and the second fastening portion (221) and the second relative fastening portion (12) ) Fasten.  2. A binding tape according to claim 1, wherein: a winding hole (3) is formed between the base (1) and the sleeve portion (21), the first relative The engaging portion (11) is provided at an edge portion of the winding hole (3); when the movable portion (2) is operated, the movable portion (2) is wound and penetrates the winding hole (3).  The binding tape according to claim 2, wherein: the first fastening portion (211) is a columnar protrusion extending on a surface of the sleeve portion (21), the first a relative fastening portion (11) is a groove disposed on the same side of the first fastening portion (211), and the first relative fastening portion (11) is disposed at the winding hole (3) away from the first fastening portion The edge of (211). The binding tape according to claim 2, wherein: the first fastening portion (211) is symmetrically disposed on both sides of the winding sleeve portion (21), the first relative The engaging portion (11) is symmetrically disposed at both edge portions of the winding hole (3), wherein The first fastening portion (211) is provided with a resisting side (2111) on a side close to the base portion (1); and a resisting side of the first fastening portion (211) when the movable portion (2) is in operation (2111) ) abuts the first relative fastening portion (11).  The binding tape according to claim 2, wherein: the first fastening portion (211) is a columnar hole formed in the sleeve portion (21), and the first relative buckle The joint portion (11) is a columnar projection extending over the edge portion of the winding hole (3).  6. A cable tie according to claim 1, wherein: said first opposing fastening portion (11) and said second opposing fastening portion (12) are integrally formed on said base portion The same side of (1) is disposed opposite to the movable portion (2), and the base portion (1), the first relative fastening portion (11), and the second relative fastening portion (12) are sequentially connected, wherein The root of the relative fastening portion (11) is connected to the base portion (1), and the root portion of the second opposite fastening portion (12) is connected to the top of the first relative fastening portion (11); when the movable portion (2) is in operation, The wrap portion (21) and the covering portion (22) are sequentially wound around the ring base portion (1).  The binding tape according to any one of claims 1 to 6, wherein the winding portion (21) is provided with at least two first fastening portions (211), and the covering The portion (22) is provided with at least two second fastening portions (221). 8. A cable tie according to claim 1, wherein: said base (1) comprises a wrapable and planar wrapping surface (13), said second relative fastening portion (12) disposed on the back side of the wrapping surface (13), the first relative fastening portion (11) is disposed at an end surface of the base portion (1) facing away from the winding sleeve portion (21), and the first relative fastening portion The two sides of the (11) are respectively provided with a third relative fastening portion (14) along the lateral direction of the belt body, and the sleeve portion (21) is provided with a third fastening portion corresponding to the third relative fastening portion (14) ( 212), when live When the moving portion (2) is in operation, the third engaging portion (212) is engaged with the third opposing engaging portion (14). 9. A binding tape according to claim 1, wherein: said base (1) comprises a wrapable and arcuate wrapping surface (13), said second relative fastening The portion (12) is disposed on the back side of the wrapping surface (13), and the free end of the base portion (1) is extended with a planar connecting block (15), and the first relative fastening portion (11) is disposed at the connecting block The inner surface of the connecting block (15), the inner surface of the connecting block (15) is respectively provided with a third opposite engaging portion (14) along the lateral direction of the strip body on both sides of the first opposite engaging portion (11), and the sleeve is sleeved The third engaging portion (14) corresponding to the third relative engaging portion (14) is provided with a third engaging portion (212), and when the movable portion (2) is in operation, the third engaging portion (212) and the third opposite engaging portion ( 14) Fastening.  The binding tape according to claim 1, wherein an expansion slot (4) is defined between the first fastening portion (211) and the second fastening portion (221).