JP2015055346A - Clamp band - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a clamp band capable of providing first and second locking claws provided on one longitudinal end and the other longitudinal end with sufficient height without problems.SOLUTION: A first locking claw is not formed on both width direction sides of a center portion for a first locking claw among ends on one longitudinal end of an opening for a first locking claw, and a region extending from the center portion for the first locking claw to one longitudinal end by a predetermined distance is swollen inward in a radial direction, so as to form a first locking claw. A second locking claw is not formed on both width direction sides of a center portion for a second locking claw among ends on the other longitudinal end of an opening for a second locking claw, and a region extending from the center portion for the second locking claw to the other longitudinal end by a predetermined distance is swollen outward in a radial direction, so as to form a second locking claw.

Description

  The present invention relates to a clamp band wound around the outer periphery of a body to be fastened.

  A long clamp band wound around the outer periphery of the fastened body in a state where the first region on one end side in the longitudinal direction is superposed on the second region on the other end side in the longitudinal direction from the radially outer side, The first and second locking claws provided in the region and the second region can be engaged with and disengaged from each other, and the winding state of the fastened body is maintained by the engagement of the first and second locking claws. A clamp band to be used has been conventionally proposed and used (for example, see Patent Document 1 below).

  The first and second locking claws are formed using first and second locking claw openings formed in the first and second regions, respectively.

  Specifically, the first end portion on one end side in the longitudinal direction of the first locking claw opening is convex toward the other end side in the longitudinal direction in plan view. Then, a region extending from the first end portion to the one end side in the longitudinal direction by a predetermined distance is bulged by pressing toward the radially inward side when the clamp band is wound, and the first end portion The first locking pawl is formed in a state where is a free end.

  Similarly, the second end of the second locking claw opening on the other end side in the longitudinal direction is convex toward the one end side in the longitudinal direction in plan view. Then, a region extending from the second end portion to the other end side in the longitudinal direction by a predetermined distance is bulged by press working toward the radially outward side when the clamp band is wound, and the second end portion The second locking claw in a state where the portion is a free end is formed.

The clamp band is wound around the body to be fastened as follows.
That is, the clamp band is wound around the outer periphery of the fastened body in order from the second region to the first region, and the first region is overlapped with the second region from outside in the radial direction. Is engaged with the second locking claw, so that the clamp band can be held in a state of being wound around the body to be fastened against the holding elasticity of the clamp band.

  By the way, in the conventional clamp band, the entire first end of the first locking claw opening forms a free end of the first locking claw, and the second end of the second locking claw opening. Since the entire portion forms the free end of the second locking claw, it is difficult to increase the bulging height of the first and second locking claws.

That is, the first end portion of the first locking claw opening and the second end portion of the second locking claw opening are directly connected to the non-opening region in the clamp band.
Therefore, in order to increase the bulging height of the first and second locking claws, it is necessary to apply a large force at the time of pressing, and in some cases, the clamp band may be deformed.

JP 2005-207528 A

  This invention is made in view of the said prior art, and aims at provision of the clamp band which can make the 1st and 2nd latching nail | claw provided in a longitudinal direction one end side and other end side reasonably high enough. .

  In order to achieve the above object, the present invention is wound around the outer periphery of the body to be fastened so that the first region on one end in the longitudinal direction is superposed on the second region on the other end in the longitudinal direction from the radially outer side. A clamp band that maintains a state of being wound around the fastened body by engaging the first and second locking claws provided in the first and second regions, respectively. The first and second locking claw openings are respectively provided in the first and second regions, and an end of the first locking claw opening on one end side in the longitudinal direction is located at the center in the width direction, and A first locking claw center portion forming a free end of the pawl, and one longitudinal end side of the first locking claw center portion located on both sides in the width direction of the first locking claw center portion A pair of side portions positioned at a predetermined distance from the center portion for the first locking claw The first locking claw is formed by pressing so that the region extending to one end side in the longitudinal direction bulges toward the radially inward side when the clamp band is wound. An end on the other end side in the longitudinal direction of the pawl opening is located at the center in the width direction and forms a free end of the second pawl, and the second pawl center portion. A pair of side portions located on both sides in the width direction of the center portion for use and on the other end side in the longitudinal direction from the center portion for the second catching claw, and a predetermined distance from the center portion for the second catching claw The clamp band in which the second locking claw is formed by pressing so that the region extending to the other end in the longitudinal direction only bulges outward in the radial direction in the winding state of the clamp band I will provide a.

Preferably, the clamp band is provided with a first tool engaging claw opening on the other end side in the longitudinal direction of the first locking claw opening and on one end side in the longitudinal direction of the second locking claw opening. A second tool engaging claw opening is provided.
An end of the first tool engagement claw opening on one end side in the longitudinal direction is positioned at the center in the width direction, and forms a free end of the first tool engagement claw. A pair of side portions positioned on both sides in the width direction of the first tool engaging claw center portion and positioned on one end side in the longitudinal direction of the first tool engaging claw center portion. The first tool engaging claw is formed by pressing so that a region extending from the center portion for the claw toward the one end side in the longitudinal direction by a predetermined distance swells outward in the radial direction in the winding state of the clamp band. Is formed.
An end of the second tool engaging claw opening on the other end side in the longitudinal direction is located at the center in the width direction, and forms a free end of the second tool engaging claw. A pair of side portions located on both sides in the width direction of the second tool engaging claw center portion and located on the other end side in the longitudinal direction with respect to the second tool engaging claw center portion. A region extending from the center portion for the locking claw to the other end in the longitudinal direction by a predetermined distance is pressed so as to bulge outward in the radial direction when the clamp band is wound. A nail is formed.

  Preferably, the bulging height of the center portion for the first and second locking claws is larger than the plate thickness of the clamp band.

  In one aspect, the first position located in the longitudinal center between the first and second locking claws and the longitudinal center between the first locking claws, and the central position and the first An easy-bending structure is provided at a second position located in the center in the longitudinal direction between the two locking claws.

  Preferably, as the easy-bending structure, a first opening extending in the longitudinal direction across the first position and a second opening extending in the longitudinal direction across the second position are provided.

  In the clamp band according to the present invention, the end portion on the one end side in the longitudinal direction of the first locking claw opening formed in the first region located radially outward in the wound state is located at the center in the width direction. A first locking claw center portion forming a free end of the first locking claw; and a longer side than the first locking claw center portion located on both sides in the width direction of the first locking claw center portion; And a pair of side portions positioned on one end side in the direction, and a region extending from the first locking claw center portion to the one end side in the longitudinal direction bulges toward the radially inward side in the wound state. Thus, the first locking claw is formed by pressing.

  In addition, the end on the other end side in the longitudinal direction of the second locking claw opening formed in the second region located radially inward in the wound state is located at the center in the width direction and the second locking claw A second locking claw center portion that forms a free end, and is positioned on both sides in the width direction of the second locking claw center portion and on the other end in the longitudinal direction from the second locking claw center portion. A region extending from the second locking claw center portion to the other end in the longitudinal direction by a predetermined distance so as to bulge outward in the wound state toward the radially outward side. The second locking claw is formed by processing.

  Therefore, the bulging height of the first and second locking claws can be increased without difficulty. By using a clamp band in which the bulging height of the first and second locking claws is increased, the winding workability of winding the outer periphery of the fastened body and engaging the first and second locking claws is improved. In addition, it is possible to effectively prevent the inconvenience that the winding state is unintentionally released.

FIG. 1 is a plan view of an initial state before winding of a clamp band according to an embodiment of the present invention. 2 is a side view of the clamp band shown in FIG. 1 in an initial state. 3A and 3B are enlarged views of the III (a) and III (b) parts in FIG. 1, respectively. 4 (a) and 4 (b) are enlarged views of the IV (a) portion and IV (b) portion in FIG. 2, respectively. FIG. 5 is a longitudinal front view of the clamp band wound around the body to be fastened.

Hereinafter, preferred embodiments of a clamp band according to the present invention will be described with reference to the accompanying drawings.
FIG. 1 is a plan view of a clamp band 1 according to the present embodiment, and shows a plan view of an initial state before the clamp band 1 is wound around a body to be fastened.
FIG. 2 shows a side view of the clamp band 1 in an initial state.
3 (a) and 3 (b) show enlarged views of III (a) and III (b) in FIG. 1, respectively.
4 (a) and 4 (b) show enlarged views of the IV (a) and IV (b) parts in FIG. 2, respectively.
Further, FIG. 5 shows a longitudinal front view of the clamp band 1 wound around the body 100 to be fastened.

  As shown in FIG. 5, the clamp band 1 according to the present embodiment is such that the first region 11 on one end side in the longitudinal direction is superposed on the second region 12 on the other end side in the longitudinal direction from the radially outer side. The first and second locking claws 11a and 12a provided in the first and second regions 11 and 12 are engaged with the fastened body 100 while being wound around the outer periphery of the fastened body 100. The wrapping state is maintained.

The clamp band 1 is formed by a strip-like long member.
The clamp band 1 is formed of, for example, SUS having a plate thickness of 0.2 mm to 0.6 mm.

  As shown in FIGS. 1, 3, and 4, the clamp band 1 has a first and a second in the first region 11 on one end side in the longitudinal direction and the second region 12 on the other end side in the longitudinal direction, respectively. Locking claw openings 20 and 25 are provided.

  The first and second locking claws 11a and 12a are erected in a direction orthogonal to the plate surface of the clamp band 1 using the first and second locking claw openings 20 and 25. Yes.

  That is, as shown in FIGS. 3A and 4A, the first locking claw opening 20 includes an outer end 20a on one end in the longitudinal direction and an inner end 20b on the other end in the longitudinal direction. It is formed over.

  The outer end portion 20a is located at the center in the width direction and forms a free end of the first locking claw 11a, and the width of the first locking claw center portion 21 And a pair of side portions 22 located on both ends in the longitudinal direction and on one end side in the longitudinal direction (that is, on the outer end side in the longitudinal direction) with respect to the first locking claw center portion 21.

  On the other hand, as shown in FIG. 3B and FIG. 4B, the second locking claw opening 25 includes an outer end 25a on the other end in the longitudinal direction and an inner end 25b on the one end in the longitudinal direction. It is formed over.

  The outer end portion 25a is located at the center in the width direction and forms a free end of the second locking claw 12a, and a width of the second locking claw center portion 26. And a pair of side portions 27 located on both ends in the longitudinal direction and on the other end in the longitudinal direction (that is, on the outer end side in the longitudinal direction) with respect to the second locking claw center portion 26.

  As shown in FIGS. 3 to 5, the first locking claw 11 a has a region 15 a extending from the first locking claw center portion 21 to one end in the longitudinal direction by a predetermined distance when the clamp band 1 is wound. It is formed by pressing so as to bulge to the side Rin facing inward in the radial direction.

  The second locking claw 12a has a region 16a extending from the second locking claw center portion 26 to the other end in the longitudinal direction by a predetermined distance toward the side Rout facing radially outward when the clamp band 1 is wound. It is formed by pressing so as to swell.

  Thus, in the present embodiment, only the first locking claw center portion 21 located at the center in the width direction of the outer end portion 20a on one end side in the longitudinal direction of the first locking claw opening 20 is provided. Is pressed to form the first locking claw 11a, and the pair of side portions 22 located on both sides in the width direction of the first locking claw center portion 21 has the first locking claw 11a. It is designed not to form.

  Similarly, only the second locking claw center portion 26 located at the center in the width direction of the outer end 25a on the other end side in the longitudinal direction of the second locking claw opening 25 is pressed and the second locking claw opening 25 is pressed. The two locking claws 12a are formed, and the pair of side portions 27 located on both sides in the width direction of the second locking claw center portion 26 do not form the second locking claws 12a. .

  According to such a configuration, the height of the first and second locking claws 11a and 12a (the bulging height with respect to other regions of the first and second locking claws 11a and 12a) can be increased without difficulty. Can do.

  According to the clamp band 1 in which the first and second locking claws 11a and 12a are raised, the first and second locking claws 11a and 12a are engaged with each other by being wound around the body 100 to be fastened. Workability is improved, and the state in which the clamp band 1 is wound around the fastened body 100 can be reliably maintained.

As shown in FIGS. 4 and 5, in the present embodiment, the bulging height of the first and second locking claw center portions 21 and 26 is larger than the plate thickness of the clamp band 1. Has been.
Preferably, the bulging height of the first and second locking claw center portions 21 and 26 is larger than the plate thickness t of the clamp band 1 and smaller than 2 × t, more preferably 1.5. Xt.

  As shown in FIGS. 1 to 4, the clamp band 1 according to the present embodiment includes first and first tool engaging claws 11 b and 12 b in addition to the first and second locking claws 11 a and 12 a. have.

  Specifically, as shown in FIGS. 3 and 4, the clamp band 1 has a first tool engaging claw opening on the other longitudinal end side (longitudinal direction inner side) of the first locking claw opening 20. 30 and a second tool engaging claw opening 35 on one end side in the longitudinal direction (inward side in the longitudinal direction) of the second locking claw opening 25.

  As shown in FIGS. 3 (a) and 4 (a), the first tool engaging claw opening 30 has an outer end 30a on one end in the longitudinal direction and an inner end 30b on the other end in the longitudinal direction. It is formed over.

  The outer end portion 30a is positioned at the center in the width direction and forms a free end of the first tool engaging claw 11b. The first tool engaging claw center portion 31 and the first tool engaging claw center portion. 31 and a pair of side portions 32 located on one side in the longitudinal direction (that is, on the outer end side in the longitudinal direction) than the first tool engaging claw center portion 31.

  As shown in FIGS. 3 and 4A, the first tool engaging claw 11b has a region 15b extending from the first tool engaging claw center portion 31 to one end in the longitudinal direction by a predetermined distance. It is formed by being pressed so as to bulge out to the side Rout facing outward in the radial direction in the state of 1 winding.

  On the other hand, as shown in FIGS. 3B and 4B, the second tool engaging claw opening 35 includes an outer end portion on the other end side 35a in the longitudinal direction and an inner end portion 35b on the one end side in the longitudinal direction. It is formed over.

  The outer end portion 35a is positioned at the center in the width direction, and forms a free end of the second tool engagement claw 12b. The second tool engagement claw center portion 36 and the second tool engagement claw center portion. 36 and a pair of side portions 37 located on the other end side in the longitudinal direction (that is, on the outer end side in the longitudinal direction) with respect to the second tool engaging claw center portion 36.

  As shown in FIGS. 3 and 4 (b), the second tool engaging claw 12b has a region 16b extending from the second tool engaging claw center portion 36 to the other end in the longitudinal direction by a predetermined distance. The band 1 is formed by being pressed so as to bulge out to the side Rout facing outward in the radial direction in the wound state.

According to such a configuration, the height of the first and second tool engaging claws 11b and 12b (the bulging height with respect to other regions of the first and second tool engaging claws 11b and 12b) can be easily set. Can be increased.
Therefore, the tool can be easily and reliably engaged with the first and second tool engaging claws 11b and 12b.

  The clamp band 1 according to the present embodiment can be wound around a member having various cross-sectional shapes, but as shown in FIG. 5, the shape in which the lateral width W is larger than the height H in the cross-sectional view (hereinafter, cross-sectional view). In the case of being wound around the object to be fastened 100 having a flat shape, preferably, the following configuration can be provided.

  That is, when the body to be fastened 100 has a flat cross-sectional shape as shown in FIG. 5, it is located at the center in the longitudinal direction between the first and second locking claws 11a and 12a as shown in FIG. 1st position P1 located in the center of the longitudinal direction between the center position C and the said 1st latching claw 11a, and the longitudinal direction center between the said central position C and the said 2nd latching claw 12a. The easy-bending structure 50 can be provided at the second position P2.

  By providing the easy-bending structure 50, the clamp band 1 can be fit along the outer periphery of the to-be-fastened body 100 having a flat cross-sectional view.

  In the present embodiment, the easy-bending structure 50 includes first and second openings 51 and 52 provided so as to straddle the first and second positions P1 and P2 in the longitudinal direction.

  Instead of or in addition to this, the width of the region extending in the longitudinal direction across the first position P1 and the region extending in the longitudinal direction across the second position P2 are made narrower than other regions. It is also possible to form the bendable structure 50 with the thickness of the region extending in the longitudinal direction straddling the first position P1 and the region extending in the longitudinal direction straddling the second position P2. It is also possible to form the bendable structure 50 by making it thinner than that.

  In addition, as the to-be-fastened body 100 having a shape in which the lateral width W is larger than the height H in cross-sectional view, a resin-made hollow airbag member incorporated in a seat belt of an automobile and a cover fabric surrounding the airbag member are included. An assembly is illustrated.

DESCRIPTION OF SYMBOLS 1 Clamp band 11 1st area | region 11a 1st latching claw 12 2nd area | region 12a 2nd latching claw 20 1st latching claw opening 21 Center part 22 for 1st latching claw Side part 25 For 2nd latching claw Opening 26 Center portion 27 for second locking claw Side portion 50 Easy bending structure 51 First opening 52 Second opening C Center position P1 First position P2 Second position

Claims (5)

Each of the first and second regions is wound around the outer periphery of the body to be fastened so that the first region on one end side in the longitudinal direction is superposed on the second region on the other end side in the longitudinal direction from the radially outer side. A clamp band in which a wound state around a fastened body is maintained by engaging the provided first and second locking claws,
The first and second regions are provided with first and second locking claw openings, respectively.
An end portion on one end side in the longitudinal direction of the opening for the first locking claw is positioned at the center in the width direction, and forms a free end of the first locking claw. A pair of side portions located on both sides in the width direction of the locking claw center portion and positioned on one end side in the longitudinal direction from the first locking claw center portion;
The region extending from the first locking claw center portion to one end in the longitudinal direction by a predetermined distance is pressed so as to bulge toward the radially inward side when the clamp band is wound. 1 locking claw is formed,
An end on the other end side in the longitudinal direction of the second locking claw opening is located at the center in the width direction, and forms a free end of the second locking claw. A pair of side portions located on both sides in the width direction of the second locking claw center portion and positioned on the other end side in the longitudinal direction from the second locking claw center portion;
The region extending from the second locking claw center portion to the other end in the longitudinal direction by a predetermined distance is pressed so as to bulge outward in the radial direction in the winding state of the clamp band, A clamp band, wherein a second locking claw is formed. A first tool engaging claw opening is provided at the other longitudinal end side of the first locking claw opening, and a second tool engaging claw opening is provided at one longitudinal end side of the second locking claw opening. Provided,
An end of the first tool engagement claw opening on one end side in the longitudinal direction is positioned at the center in the width direction, and forms a free end of the first tool engagement claw. A pair of side portions located on both sides in the width direction of the first tool engaging claw center portion and on one end side in the longitudinal direction of the first tool engaging claw center portion;
The region extending from the first tool engaging claw center portion to the one end side in the longitudinal direction by a predetermined distance is pressed so as to bulge outward in the radial direction when the clamp band is wound. 1 tool engaging claw is formed,
An end of the second tool engaging claw opening on the other end side in the longitudinal direction is located at the center in the width direction, and forms a free end of the second tool engaging claw. A pair of side portions located on both sides in the width direction of the second tool engaging claw center portion and located on the other end side in the longitudinal direction from the second tool engaging claw center portion,
The region extending from the second locking claw center portion to the other end side in the longitudinal direction by a predetermined distance is pressed so as to bulge outward in the radial direction in the winding state of the clamp band. The clamp band according to claim 1, wherein two tool engaging claws are formed.   The clamp band according to claim 1 or 2, wherein a bulge height of the center portion for the first and second locking claws is larger than a plate thickness of the clamp band.   A first position located in the longitudinal center between the first and second locking claws and a longitudinal center between the first locking claws, and the central position and the second locking claws; The clamp band according to any one of claims 1 to 3, wherein an easy-bending structure is provided at a second position located in the center in the longitudinal direction.   5. The easy-bending structure is provided with a first opening extending in the longitudinal direction across the first position and a second opening extending in the longitudinal direction across the second position. Clamp band.

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