JP2008148803A - Harness type safety belt - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a harness type safety belt whose upper belt part can be used only when it is needed. <P>SOLUTION: Since an upper strap part 10 is configured to be freely attachable to and detachable from a lower belt part 20, the harness type safety belt can be used in the state of connecting the upper strap part 10 to the lower belt part 20 in the case of using it in a place with the high risk of falling, and can be used by detaching the upper strap part 10 from the lower belt part 20 in the case of using the safety belt as needed in a relatively low place. Thus, in the case of detaching the upper strap part 10 and mounting only the lower belt part 20 on a human body, mounting work is easily performed without the need of time or labor for mounting the shoulder strap 11 of the upper strap part 10. Since weight is reduced for the detached upper strap part 10, the fatigue of a worker is reduced. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a harness-type safety belt used by an operator such as a firefighter who performs fire extinguishing activities and rescue activities at a fire site or a rescue site, for example.

  Conventionally, when firefighters or the like perform fire fighting and rescue activities at a fire site or a rescue site, workers such as firefighters wear safety belts for preventing falls. As this type of safety belt, a harness-type safety belt having an upper belt portion attached to the upper body side of the human body and a lower belt portion attached to the lower body side of the human body is known (for example, Patent Documents). 1). The upper belt portion of the harness-type safety belt is made up of a pair of shoulder belts that cross each other at the back of the human body and hangs on both shoulders, and the lower belt portion is made up of a pair of thigh belts into which the thighs of the human body are inserted. A rope such as a lanyard is connected to a predetermined position of the upper belt portion. In this safety zone, when the operator falls, the tension from the rope applied to the human body can be dispersed by each belt, so that the human body can be stably supported, especially in the case of fire scenes in high-rise buildings, etc. Suitable for use by workers such as firefighters at high work sites.

In addition, as another safety belt, a torso belt attached to the waist of the human body and a pair of thigh belts into which the thighs of the human body are respectively inserted, and a locking rope is connected to a predetermined position of the torso belt What was made is known (for example, refer patent document 2). Since this safety belt does not have an upper belt part consisting of a shoulder belt, it is lighter and easier to wear than a harness-type safety belt, but for stability to support the human body when dropped, the upper belt part is Since the harness-type safety belt is superior, it is preferable to use the harness-type safety belt for an operator who performs work with a high risk of falling, such as a firefighter.
JP 2004-141480 A JP 2002-78811 A

  By the way, sites where firefighters and other workers are active are not always high places. For example, safety belts may be used as needed in relatively low places such as search activities at disaster sites. In the field, it is more convenient to use a safety belt that does not have an upper belt portion made of a shoulder belt. However, the safety belt used by workers such as firefighters is a harness type that assumes work in high places, so when working in low places, it is useless to wear a shoulder belt. In addition to the time and labor required, there is a problem in that the fatigue of the operator increases because the weight is increased by the shoulder belt.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a harness-type safety belt that can be attached only when necessary.

  In order to achieve the above object, the present invention provides a harness-type safety belt comprising an upper belt portion attached to the upper body side of a human body and a lower belt portion attached to the lower body side of the human body. It is configured to be detachable from the lower belt portion.

  Thereby, since the upper side belt part is comprised so that attachment or detachment is possible with respect to the lower side belt part, it becomes possible to remove and use an upper side belt part from a lower side belt part.

  According to the harness type safety belt of the present invention, when used in a place where there is a high risk of dropping, the upper belt part can be used in a state where it is connected to the lower belt part, and if necessary in a relatively low place When using a safety belt, the upper belt portion can be detached from the lower belt portion. Therefore, when the upper belt portion is removed and only the lower belt portion is attached to the human body, it is possible to easily perform the attaching operation without requiring time and labor for attaching the upper belt portion. Since the weight can be reduced as much as the belt portion is removed, the operator's fatigue can be reduced.

  1 to 5 show an embodiment of the present invention. FIG. 1 is a front view of a harness-type safety belt, FIG. 2 is a rear view thereof, and FIG. 3 is a state in which an upper belt portion is separated from a lower belt portion. FIG. 4 is a front view showing a state of only the lower belt portion, and FIG. 5 is an enlarged view of the first connecting portion and the fourth connecting portion.

  The harness-type safety belt of the present embodiment includes an upper belt portion 10 attached to the upper body side of the human body, a lower belt portion 20 attached to the lower body side of the human body, and the upper belt portion 10 or the lower belt portion 20. The upper belt portion 10 is configured to be detachable from the lower belt portion 20.

  The upper belt portion 10 includes a shoulder belt 11 that is hung on both shoulders of the human body, an abdominal belt 12 that extends in the vertical direction at the front portion of the human body, and a first D ring member 13 that can connect the lanyard 30. The belt 11 and the abdominal belt 12 are connected via a first D-ring member 13.

  The shoulder belt 11 is formed so that the center in the longitudinal direction is folded at the front part of the human body and extends toward the back side of the human body, and the folded part is inserted through the D-ring member 13. Each shoulder belt 11 intersects at the back of the human body, and a buckle 11a is attached to the intersecting portion. A first connecting member 11b connectable to the lower belt portion 20 is attached to both ends of the shoulder belt 11, and the first connecting member 11b has a width dimension A1 as shown in FIG. 5 (a). It is formed by a plate-like member that is larger than the width of the belt 11.

  The abdomen belt 12 has an upper end connected to the D-ring member 13, and a second connection member 12 a that can be connected to the lower belt portion 20 is attached to the lower end of the abdomen belt 12. The second connecting member 12a is made of a well-known carabiner, and a part of the annular portion is configured to be openable and closable.

  The first D-ring member 13 has a D-ring connecting portion 13a to which the lanyard 30 can be connected, and the folded portion of the shoulder belt 11 and the upper end of the abdominal belt 12 are connected to each other.

  The lower belt portion 20 spans between a torso belt 21 to be attached to the torso of the human body, a pair of thigh belts 22 into which the thighs of the human body are inserted, and the torso belt 21 and each thigh belt 22. It consists of a pair of first vertical belts 23 and a pair of second vertical belts 24 that extend, and a second D ring member 25 as a connecting portion that can connect the lanyard 30.

  The torso belt 21 is formed so as to wind a torso part of a human body, and both ends thereof are detachably coupled by a buckle 21a.

  Each thigh belt 22 is formed so as to wind the thigh of the human body, and both ends thereof are detachably coupled by a buckle 22a.

  Each first vertical belt 23 is formed so as to extend from the front center portion of the waist belt 21 toward the front surface side of each thigh belt 22, and an insertion portion 23 a through which the waist belt 21 is inserted is provided on the upper end side thereof. Yes. Further, the lower end of each first vertical belt 23 is connected to the front side of the thigh belt 22. A third connecting member 23b that can be connected to the upper belt portion 10 is provided at the upper end of each first vertical belt 23, and the third connecting member 23b has a connecting hole 23c that can connect the first connecting member 12a. Have. That is, by inserting the annular portion of the second connecting member 12a into the connecting hole 23c, the second connecting member 12a is connected to the third connecting member 23b. Further, an auxiliary D ring member 26 is attached to the upper end side of each first vertical belt 23, and the auxiliary D ring member 26 is used when connected to a vertical master rope or the like.

  Each of the second vertical belts 24 is formed so as to extend from both ends of the waist belt 21 in the width direction of the back surface toward the front surface of each thigh belt 22, and an insertion portion 24 a through which the waist belt 21 is inserted is provided at the upper end side. It has been. The lower end of each second vertical belt 24 is connected to the back side of the thigh belt 22. A fourth connecting member 24b that can be connected to the upper belt portion 10 is attached to the upper end of each second vertical belt 24, and the fourth connecting member 24b is dimensioned in the width direction as shown in FIG. Is formed by a plate-like member larger than the width of the second vertical belt 24. Further, the fourth connecting member 24b is provided with an insertion hole 24c through which the shoulder belt 11 of the upper belt portion 10 can be inserted, and the insertion hole 24c has a width dimension B longer than the width dimension of the shoulder belt 11, The connecting member 11b is shorter in the width direction than the width dimension A1. As a result, the shoulder belt 11 inserted through the insertion hole 24c is separated from the second vertical belt 24 by the first connecting member 11b being engaged with the fourth connecting member 24b as shown in FIG. 5 (b). It is designed not to come off. Further, the insertion hole 24c is formed so that the width dimension B is longer than the dimension A2 in the direction orthogonal to the width direction of the first connecting member 11b, and the first connecting member 11b is formed as shown in FIG. By inserting into the insertion hole 24c so that the direction orthogonal to the width direction is directed to the longitudinal direction of the insertion hole 24c, the first connection member 11b is inserted through the insertion hole 24c and detached from the third connection member 24b. It has become.

  The second D-ring member 25 is a D-ring member that can connect the lanyard 30, and is attached to one side of the trunk belt 21.

  The lanyard 30 includes a hook 31 that can be connected to a master rope, a rope 32 that is connected to the hook 31 at one end, and a winder 33 that is connected to the other end of the rope 32. Is provided with a shock absorber 34. The winder 33 is provided with a hook-shaped connecting portion 33a, and the connecting portion 33a can be connected to the first D-ring member 13 of the upper belt portion 10 or the second D-ring member 25 of the lower belt portion 20. It has become.

  The harness-type safety belt constructed as described above, for example, when used by an operator such as a firefighter at a particularly high work site such as a fire site of a high-rise building, as shown in FIG. 1 and FIG. 10 is connected to the lower belt portion 20. At that time, by connecting the lanyard 30 to the first D-ring member 13 of the upper belt portion 10, when the operator falls, the tension from the lanyard 30 applied to the human body is applied to the upper belt portion 10 and the lower belt portion 20. Thus, the human body can be stably supported. Even when the upper belt portion 10 is used by being connected to the lower belt portion 20, the lanyard 30 can be used by being connected to the second D ring member 25 of the lower belt portion 20.

  Further, when a safety belt is used as necessary in a relatively low place such as a search operation at a disaster site, the upper belt portion 10 is removed from the lower belt portion 20 and used. That is, the first connecting members 11 b of the upper belt portion 10 are removed from the fourth connecting members 24 b of the lower belt portion 20, and the second connecting members 12 a of the upper belt portion 10 are removed from the lower belt portion 20. By removing from each of the third connecting members 23b, the upper belt portion 10 is separated from the lower belt portion 20 as shown in FIG. As a result, as shown in FIG. 4, only the lower belt portion 20 can be attached to the human body. At that time, the lanyard 30 is connected to the second D-ring member 25 of the lower belt portion 20.

  Thus, according to the harness-type safety belt of the present embodiment, the upper belt portion 10 is configured to be detachable from the lower belt portion 20, so that the upper belt is used when used in a place where there is a high risk of dropping. The belt 10 can be used in a state where it is connected to the lower belt portion 20, and when a safety belt is used as required at a relatively low place, the upper belt portion 10 is detached from the lower belt portion 20 and used. can do. Therefore, when the upper belt portion 10 is removed and only the lower belt portion 20 is attached to the human body, the time and labor for attaching the shoulder belt 11 of the upper belt portion 10 are not required, and the attaching operation is facilitated. Since it can be performed and the weight can be reduced as much as the upper belt portion 10 is removed, the operator's fatigue can be reduced.

  Moreover, since the 1st D ring member 13 and the 2nd D ring member 25 for connecting with a master rope etc. were provided in the upper belt part 10 and the lower belt part 20, respectively, the lanyard 30 was upper according to a use condition. It can be arbitrarily connected to one of the belt part 10 and the lower belt part 20, and the versatility can be improved.

  In the above-mentioned dismantling, the case where a firefighter uses is exemplified, but the present invention is not limited to a firefighter, but also applies when a Self-Defense Force member or the like performs a rescue operation or when a worker on a construction site uses it. can do.

The front view of the harness type safety belt which shows one embodiment of the present invention Rear view of harness-type safety belt Front view showing a state in which the upper belt portion is separated from the lower belt portion Front view showing the state of the lower belt only Enlarged view of the first connecting part and the fourth connecting part

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 ... Upper belt part, 20 ... Upper belt part, 13 ... 1st D ring member, 25 ... 2nd D ring member.

Claims (2)

In a harness-type safety belt comprising an upper belt part that is worn on the upper body side of the human body and a lower belt part that is worn on the lower body side of the human body,
A harness-type safety belt, wherein the upper belt portion is configured to be detachable from the lower belt portion. The harness-type safety belt according to claim 1, wherein a connecting portion for connecting to the master rope or the like is provided in each of the upper belt portion and the lower belt portion.

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