JP3165638U - Tool fall prevention rigging - Google Patents

Abstract

A tool fall prevention rigging having a strong structure and high safety in use is provided. A connection band comprising a fabric band unit formed so as to be stretchable in the longitudinal direction, and a main elastic unit provided so as to be stretchable along the longitudinal direction. Two fastening units 3, 3 each connected to both ends of the connection band and fitted with a hook 31 that can be hooked and stopped at the end opposite to the end connected to the connection band. I have. [Selection] Figure 1

Description

  The present invention relates to a tool fall prevention rigging for preventing the fall of various tools used at a construction site, for example.

  Generally, a worker has a tool for a worker to perform a predetermined work at a construction site. When the tool is not used, it is stored in a holder attached to the worker's body. For example, as shown in FIG. 6, a hook 14 serving as a user connecting portion at one end of the rigging 10 is locked to the worker side and a ring at the other end of the rigging 10 is used. By connecting 13 to a tool (not shown), even if the tool is dropped, the tool is tied to the worker by the rigging 10 (see, for example, Patent Document 1).

Taiwan Utility Model Registration No. M375720 Specification

  As shown in FIGS. 6 and 7, the conventional tool drop prevention rig 10 includes a flexible elastic rope body 11 formed by bundling several flexible elastic wire bodies 111, 111,... Since it is covered with the body 12 and formed in a bellows shape, the rope 10 can be stretched and flattened even when the soft covering 12 is pulled, so that the stretchable rope body 11 is excessive. It is possible to exert an effect of preventing being pulled. However, if an excessive force is applied to the stretchable rope body 11 so that the soft covering 12 becomes flat, the stretchable wire body 111 cracks and breaks beyond the load bearing capacity of the stretchable wire body 111, and the weight of the tool is reduced. There is a problem that the rigging 10 is broken without being able to withstand.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a tool fall prevention rigging having a strong structure and high safety in use.

  In order to solve the above-mentioned object, the present invention comprises a cloth band unit formed so as to be stretchable in the longitudinal direction, and a main elastic unit provided so as to be stretchable along the longitudinal direction. Two fastening units each having a connection band and hooks that are respectively connected to both ends of the connection band and that can be hooked and stopped at the end opposite to the end connected to the connection band. A tool fall prevention rigging is provided.

  In the tool fall prevention rigging of the present invention, the main elastic unit has a band shape and is provided through the cloth band unit, and the cloth band unit and the main elastic unit are sewn together. It is preferable.

In the tool fall prevention rigging of the present invention, the cloth band unit includes a first stretchable portion, a second stretchable portion, a first stretchable portion, and a second stretchable portion provided on both surfaces of the main elastic unit. A connecting portion for connecting the expansion and contraction portion,
The first elastic parts are respectively provided on one surface side of the main elastic unit with a plurality of first elastic members arranged parallel to each other at right angles to the longitudinal direction and on the other surface of the main elastic unit. And a plurality of second stretchable members arranged parallel to each other at right angles to the longitudinal direction so as to be disposed correspondingly between adjacent first stretchable members, It is preferable to have a plurality of connecting members that connect the ends of the first and second elastic members adjacent to each other.

  In the tool fall prevention rigging according to the present invention, it is preferable that the tool drop prevention rigging further includes side elastic units that are respectively connected to both side edges in the longitudinal direction of the connection band.

  In the tool fall prevention rigging of the present invention, the fastening unit preferably uses a woven flat strip.

  In the tool fall prevention rigging of the present invention, it is preferable that the tool fall prevention rigging further has a wire formed in a loop shape that is hung on the hook.

  According to the tool fall prevention rigging of the present invention, since the cloth band unit and the main elastic unit are sewn together, the state in which the connection band contracts to the first length and the second length longer than the first length. It can be expanded and contracted to a state of extending to a length of. Accordingly, the main elastic unit can receive the external force uniformly, and only a part of the main elastic unit does not receive the external force independently as in the prior art. In addition, since the cloth band unit and the main elastic unit are sewn together, the cloth band unit can bear a part of the acting force received by the main elastic unit, making the structure of the connection band more durable and longer. Can be used. Moreover, since it is possible to prevent the main elastic unit and the side elastic units from extending too much, the elastic fatigue of the main elastic unit can be greatly reduced, and the work safety can be greatly improved.

It is a perspective view which shows the tool fall prevention rigging which is one embodiment of this invention. It is a longitudinal cross-sectional view of the contraction state of the connection band in the tool fall prevention rigging of this invention. It is a longitudinal cross-sectional view of the extended state of the connection band in the tool fall prevention rigging of this invention. It is a cross-sectional view of the connection band and the side elastic unit in the tool fall prevention rigging of the present invention. It is a figure which shows an example of use of the tool fall prevention rigging of this invention. It is a figure which shows roughly an example of the conventional tool fall prevention rigging. It is a figure which expands and shows the structure of a part of tool fall prevention rigging of a prior art example.

  The features and advantages of the present invention will become apparent from the following detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings.

  As shown in the drawing, the tool fall prevention rigging 1 according to a preferred embodiment of the present invention has carabiner type hooks 31 and 31 attached to both ends, respectively, and the hook 31 at one end is attached to an operator's body (not shown). The tool 7 is hooked on the hook 80 of the other end and hooked on the eyelet 80 of the body belt 8 to be attached to the other end.

  The tool fall prevention rigging 1 according to the present embodiment has a connection band 2 that is elongated in a stretchable manner, and one end of each is connected to both ends 2a and 2b of the connection band 2, and the other ends correspond to each other. Two fastening units 3, 3 connected to hooks 31, 31 via connecting units 1 a, 1 b composed of a D-shaped ring and a pivot fitting, respectively, are connected to both side edges of connection band 2. 2 side elastic units 4 and 4 are provided. The hook 5 on the other end side is hooked with a wire 5 formed in a loop shape that holds small items such as the key ring 6 and the adhesive tape 11.

  The connection band 2 includes a cloth band unit 21 formed so as to be stretchable in the longitudinal direction, and a main elastic unit 22 provided through the cloth band unit 21 so as to be stretchable along the longitudinal direction. The cloth band unit 21 and the main elastic unit 22 are sewn together.

  The cloth band unit 21 includes a first extension part 21a and a second extension part 21b provided on both surfaces of the main elastic unit 22, and a connecting part that connects the first extension part 21a and the second extension part 21b. 21c.

  The first expansion / contraction part 21a has several first expansion / contraction members 211, 211,... Arranged in the same plane parallel to each other on the upper surface side of the main elastic unit 22 at right angles to the longitudinal direction. And arranged on the same plane parallel to each other at a right angle to the longitudinal direction so as to be disposed correspondingly between the first elastic members 211 and 211 adjacent to the other surface of the main elastic unit 22, respectively. It has several 2nd expansion-contraction members 212, 212, .... The connecting portion 21c includes several connecting members 213, 213,... That connect adjacent ends of the first elastic member 211 and the second elastic member 212 and are arranged at a predetermined interval. . In this embodiment, the first elastic member 211, the second elastic member 212, and the connecting member 213 are made of the same elastic material.

  The main elastic unit 22 includes a plurality of string-like elastic members 221, 221,... Arranged in parallel and equidistantly on the same plane, each of which includes a first contracting member 211 and a second contracting member. .., 212 are provided so as to pass through the connecting members 213, 213,.

  In this embodiment, the two side elastic units 4 and 4 are integrally sewn on both longitudinal sides of the connection band 2 so as to be held in the loop-shaped sewing line 40. In this embodiment, the main elastic unit 22 and the side elastic unit 4 are made of the same elastic material.

  Since the side elastic units 4 and 4 are sewn on both sides of the connection band 2, the connection band 2 is contracted to the first length without being excessively stretched, and the second length is longer than the first length. It can be expanded and contracted to the extended state.

  The fastening units 3 and 3 on both ends of the connection band 2 are, for example, woven flat bands 32, and the D-shaped rings of the connecting units 1a and 1b in which the folded portions 322 are each composed of a D-shaped ring and a pivot fitting. The sagging ends 321 and 321 are overlapped and stitched together to the vicinity of the D-shaped ring so as to sandwich the corresponding end portion of the connection band 2.

  The wire 5 is folded in half with a metal material, for example, and both ends are connected by a connecting block 51 to form a loop.

  In the tool fall prevention rig 1 of the present embodiment, when there is no external force due to the hanging or use of the tool 7, the connection band 2 is contracted to the first length by the main elastic unit 22 and the side elastic unit 4. Yes, as shown in FIG. 2, the cloth band unit 21 draws the both sides of the first elastic member 211 and the second elastic member 212 to the middle by the main elastic unit 22 and the side elastic unit 4. It shrinks to rise like a wave.

  When the tool fall prevention cord 1 of this embodiment is used by hooking one end of the hook 31 on the eyelet 80 of the body belt 8 and hooking the tool 7 on the other end of the hook 31 to stop, the tool 7 is suspended or used. The main elastic unit 22 and the side elastic unit 4 of the connection band 2 change to a second length longer than the first length due to an external force such as the inside, and as shown in FIG. Each of the member 211 and the second elastic member 212 is stretched by being pulled and becomes slightly flat. In this way, the tool fall prevention rigging 1 can be extended for a long time by using the elasticity of the connection band 2, so that the tool 7 that is hooked and stopped on the rigging 1 is not pulled off from the hook 31 and is pulled as it is. Can be used.

  Further, since small items such as the key ring 6 and the adhesive tape 11 can be fastened to the loop-shaped wire 5 hooked on the hook 31 on the other end side, small items such as the key and the adhesive tape are put in the pocket of the worker. This is unnecessary, and there is no fear that these small items will accidentally fall out of the pocket during work, and the work safety can be further improved.

  In the tool fall prevention rigging 1 of this embodiment, since the cloth band unit 21 and the main elastic unit 22 are sewn together, the connection band 2 and the side elastic unit 4 are contracted to the first length together. It can be expanded and contracted to a state and a state extended to a second length longer than the first length. Therefore, the main elastic unit 22 can receive the external force uniformly, and the elastic member 221 does not receive the external force independently as in the prior art. Further, since the cloth band unit 21 and the main elastic unit 22 are sewn together, the cloth band unit 21 can bear a part of the acting force received by the main elastic unit 22, and the structure of the connection band 2 can be improved. It is more durable and can be used for a long time. Further, since the main elastic unit 22 and the side elastic unit 4 can be prevented from extending too much, the elastic fatigue of the main elastic unit 22 can be greatly reduced, and the work safety can be greatly improved. .

  The tool fall prevention rigging of the present invention is useful for, for example, use of various tools used in construction work sites and the like and for fall prevention.

DESCRIPTION OF SYMBOLS 1 Tool fall prevention rig 11 Adhesive tape 1a, 1b Connection unit 2 Connection band 21 Cloth band unit 211 1st expansion-contraction member 212 2nd expansion-contraction member 213 Connection member 21a 1st expansion-contraction part 21b 2nd expansion-contraction part 21c Connection Part 22 Main elastic unit 221 Elastic member 2a, 2b Both ends 3 Fastening unit 31 Hook 32 Band 321 Bend end 322 Folded part 4 Side elastic unit 40 Sewing line 5 Wire 51 Connection block 6 Key ring 7 Tool 8 Body belt 80 Eyelet

Claims (6)

A connection band comprising a fabric band unit formed so as to be stretchable in the longitudinal direction, and a main elastic unit provided so as to be stretchable along the longitudinal direction.
Two fastening units, each of which is connected to both ends of the connection band, and is fitted with a hook that can be hooked and stopped at the end opposite to the end connected to the connection band;
A tool fall prevention rigging device characterized by comprising: The main elastic unit has a shape of a band and is provided through the cloth band unit.
The tool fall prevention rigging according to claim 1, wherein the cloth band unit and the main elastic unit are sewn together. The cloth band unit includes a first elastic part and a second elastic part provided on both surfaces of the main elastic unit, and a connecting part that connects the first elastic part and the second elastic part. Have
The first elastic parts are respectively provided on one surface side of the main elastic unit with a plurality of first elastic members arranged parallel to each other at right angles to the longitudinal direction and on the other surface of the main elastic unit. A plurality of second stretchable members arranged parallel to each other at a right angle to the longitudinal direction so as to be disposed correspondingly between adjacent first stretchable members,
The tool fall prevention rigging according to claim 2, wherein the connecting portion includes a plurality of connecting members that connect ends of the first and second elastic members adjacent to each other.   The tool fall prevention rigging according to claim 3, wherein the tool fall prevention rigging further includes side elastic units respectively connected to both side edges in the longitudinal direction of the connection band.   The tool fall prevention rigging according to claim 4, wherein the fastening unit uses a woven flat belt.   The tool fall prevention rigging according to claim 5, further comprising a loop-shaped wire hung on the hook.

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