JP6034751B2 - Harness type safety belt - Google Patents

Description

  The present invention relates to a harness-type safety belt that is attached to an operator in order to ensure safety during work at a high place.

  The harness-type safety belt that is worn when working at heights is formed by a pair of flexible shoulder belts and thigh belts to form a plurality of loops. There is a problem that it is difficult to recognize the form at the time of wearing due to or entanglement, and it takes much time to remove the twist or entanglement, and it takes time for accurate wearing.

  In order to solve such a problem, in the harness type safety belt described in Patent Document 1, two belts intersect at a part in the length direction, and one end side from the intersection to one end of the belt A shoulder belt part is provided that can be hung on the left and right shoulders by folding the belt part close to the intersection. The lower part of the shoulder belt part extends from the chest to the left or right side of the waist and reaches the buttocks. A front belt part and a thigh belt part wound around the thigh are provided, and the other side belt extending from the crossing part to the other end of the belt from the back to the front side of the thigh along the left or right side of the waist A belt portion, the intersection of the back belt portion and the front belt portion of the other belt are connected to each other, and a buttocks belt is passed between the lower ends of the pair of front belt portions, and the buttocks belt and the back side Shape backrest fabric to match the pentagonal space formed by the belt portion and the front belt portion so as to block all or part of the space so as to prevent twisting and tangling of the belt.

JP 2004-321562 A

  By the way, in patent document 1, what consists of mesh cloth is employ | adopted as a back cover cloth which plugs up all or a part of the pentagonal space formed on the back side when the harness type safety belt is worn. Is attached to the back belt portion, the front belt portion, and the buttocks belt belt, so that it takes a lot of time to attach the back cloth, and a stable and strong attachment cannot be obtained. .

  In addition, since the backing cloth and the belt do not have a shape retaining function to maintain the shape with flexibility, each belt is bundled only by hanging and supporting the intersection of a pair of belts. It is difficult to find the pair of shoulder belts because they are supported by hanging, and there is a disadvantage that it takes much time to wear.

  An object of the present invention is to easily check twisting and entanglement of a belt forming a harness-type safety belt and to easily return it to its original state and to be able to wear it quickly and accurately.

  In order to solve the above-described problems, in the present invention, two flexible belts are joined by crossing each other in a part in the length direction, and one end side from the intersection to one end of the belt A front belt part and a thigh part which are provided along the left side or the right side of the waist from the chest to the buttocks while providing a shoulder belt part to be hung on the operator's shoulder by folding the belt from a portion close to the intersection. A thigh belt portion wound around the belt, and the other end side belt extending from the intersection to the other end of the belt is a back side belt portion extending from the back to the front side of the thigh along the left or right side of the waist, and the front belt A chest bell in which a crossing portion where the back belt portion of the other belt and the back belt portion of the other belt intersect at the waist portion is connected to each other, and an end portion is connected to the front belt portion between the upper portions of the front belt portion In a harness-type safety belt in which a buttocks belt is spanned between ends corresponding to the flange portions of the front belt portion, the back of the pair of back side belt portions is offset from the intersecting portion to the other end side. Pass the abutment belt, and each of the belt portions having flexibility among the plurality of belt portions around the hexagonal space surrounded by the backrest belt, the buttocks belt, the front belt portion, and the back belt portion is long. A configuration was adopted in which a tape-shaped core material provided with plastic deformability that extends along the length direction and imparts shape retention to each of the belt portions was employed.

  Here, the buttocks support belt may be formed from an elastic body such as rubber and have shape retention, and is formed of a synthetic fiber belt and has flexibility, and both end portions are lower end portions of the front belt portion. And may be joined together by stitching. In the case of a flexible buttocks belt, a tape-shaped core material having plastic deformability for shape retention is also provided on the buttocks belt, and in the case of a buttocks belt having shape retention, a tape-shaped core is provided. There is no need to install materials.

  As described above, among the plurality of belt portions forming the hexagonal space, each of the flexible belt portions is provided with a tape-shaped core material having a plastic deformation property for shape retention extending along the length direction. Thus, in a state where the crossing portions of the pair of belts are suspended, each of the plurality of belt portions maintains a state of forming a hexagonal space, and the pair of shoulder belt portions are suspended from the crossing portions.

  For this reason, the pair of shoulder belt portions can be easily found, and the twist and entanglement of the belt can be easily recognized, and the twist and entanglement can be easily restored. Further, by having a pair of shoulder belt portions, the harness-type safety belt has a form when worn and can be worn accurately and quickly.

  In the harness-type safety belt according to the present invention, when the core member provided on the front belt portion is extended from the intersection with the back belt portion toward the connection position of the chest belt, it is effective in preventing twisting of the front belt portion. Can be mentioned.

  Further, by extending the core material provided on the back belt portion from the crossing portion with respect to the front belt portion toward the other end, the end portion of the back belt portion enters the hexagonal space and other belts. It is possible to prevent entanglement with the part.

  The belt-like core material that imparts shape retention to each of the plurality of belt portions forming the hexagonal space has a plastic deformability that deforms in the load direction and maintains the deformed state when an external force is applied. Say.

  The tape-shaped core material may be abutted on the inner surface of the belt portion and attached by sewing, or may be incorporated in the belt portion by weaving the belt portion. Or it is good also as attachment which makes a belt part into a bag shape and inserts in the inside. Further, the belt may be attached to a central portion in the width direction of a flexible belt cover capable of enveloping the belt, and the belt may be provided with a shape maintaining function by attaching the belt cover.

  In the present invention, as described above, when the crossing portion of the pair of belts is suspended and supported, the pair of shoulder belt portions hang down from the crossing portion, so that the pair of shoulder belt portions can be easily found. The twist and entanglement of the belt can be easily recognized, and the twist and entanglement can be easily restored. Moreover, since a harness type safety belt creates the form at the time of wearing by having a pair of shoulder belt parts, it can be worn accurately and quickly.

The rear view which shows embodiment of the harness type safety belt which concerns on this invention The figure which shows the wearing condition of the harness type safety belt (A) is sectional drawing along the III-III line | wire of FIG. 1, (b) is sectional drawing which shows the other example of attachment of a tape-shaped core material, (c) is still another example of attachment of a tape-shaped core material. Cross section showing an example Rear view showing still another example of attaching the tape-shaped core material Sectional view along line VV in FIG. Fig. 4 is a developed view of the belt cover to which the tape-like core material shown in Fig. 4 is attached.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the harness-type safety belt according to the present invention has a pair of belts 1a and 1b. Each of the pair of belts 1a and 1b is formed by weaving synthetic fibers. In the embodiment, it is formed by weaving polyester fibers (tetron) and has flexibility.

  The pair of belts 1a and 1b intersect at a part in the length direction, and the intersecting portion is joined by attaching a holding plate 2 having a belt insertion hole, and the ring body 3 is attached to the joining portion.

  In the pair of belts 1a and 1b, one end side belt extending from the intersecting portion to one end is provided with a shoulder belt portion 4 that is hung on the shoulder portion of the operator by folding back from a portion close to the intersecting portion.

  Of the pair of belts 1a and 1b, the belt on one end of one belt 1a includes a front belt portion 5 that extends from the chest to the left side of the waist and continues to the lower end of the shoulder belt portion 4 to reach the buttocks. A thigh belt portion 6 is provided so as to be connected to the belt portion 5 and wound around the left thigh.

  Also, the one end side belt of the other belt 1b, like the one belt 1a, is connected to the lower end of the shoulder belt portion 4 and extends along the right side of the waist from the chest to the buttocks, A thigh belt portion 6 is provided so as to be connected to the front belt portion 5 and wound around the right thigh.

  In the pair of belts 1 a and 1 b, the other end side belt extending from the intersecting portion to the other end is a back side belt portion 7. The back belt portion 7 of one belt 1a has a length extending from the back to the front side of the right thigh along the right side of the waist portion, and the back belt portion 7 of the other belt 1b extends from the back to the left side of the waist portion. A length extending along the front side of the left thigh.

  The end portion of the front belt portion 5 in one belt 1a intersects with the end portion of the back belt portion 7 of the other belt 1b at the right side position of the waist portion, and the intersection portion is connected to each other by sewing.

  Further, the front belt portion 5 of the other belt 1b intersects the end portion of the back belt portion 7 of the one belt 1a at the left side position of the waist portion, and the intersecting portions are connected to each other by sewing. Reference numeral 8 denotes a stitched portion for connecting the front belt portion 5 and the back belt portion 7 to each other.

  One end of a chest belt 9 is connected to each upper portion of the pair of front belt portions 5 by stitching, and a male buckle 10 attached to the other end of one chest belt 9 and the other end of the other chest belt 9 are connected. The chest belt 9 is connected by engaging the attached female buckles 11 with each other.

  A buttocks resting belt 12 is passed between the lower end portions of the pair of front side belt portions 5. The buttocks support belt 12 is a resin molded product and has elasticity. Although not shown in the drawing, two belt insertion holes are formed in parallel at both ends, and the belt 1a with respect to the belt insertion hole is formed. It is set as the attachment with respect to between the lower end parts of a pair of front side belt parts 5 by insertion of 1b.

  The end portions of the pair of thigh belt portions 6 are folded back to be double, and a connecting tool 13 is attached to each of the bent portions. The coupling tool 13 can be engaged with and disengaged from the coupling tool 14 attached to each end portion of the pair of back side belt portions 7, and the thigh belt portion 6 is held in a loop around the thigh by the engagement. Is done. At this time, the connector 13 at the end of the thigh belt portion 6 in one belt 1a is engaged with the connector 14 at the end of the back belt portion 7 in the other belt 1b. Further, the connector 13 at the end of the thigh belt portion 6 in the other belt 1b is engaged with the connector 14 at the end of the back belt portion 7 in one belt 1a.

  The backrest belt 15 is passed to the pair of backside belt portions 7 at a position offset from the intersecting portion connected by the holding plate 2 to the other end side, and both ends of the backrest belt 15 are a pair of backside belts. The portions 7 are overlapped and stitched together.

  By attaching the back support belt 15, a hexagonal space 16 is formed by the back support belt 15, the buttocks support belt 12, the front side belt part 5, and the back side belt part 7. Of the plurality of belt portions forming the hexagonal space 16, the other belt portions 5, 7, 15 excluding the butting belt 12 are provided with shape retaining properties to maintain the shape by attaching the tape-shaped core member 17. ing.

  The tape-shaped core material 17 is provided along the length direction of each belt. The tape-shaped core member 17 has plastic deformability that plastically deforms and maintains a deformed state when an external force is applied. Here, a plurality of parallel core wires made of polyethylene having plastic deformability are formed into a tape shape by weaving synthetic fiber yarn made of nylon or polyester.

  The core material 17 having plastic deformability is attached along the length direction to each of the plurality of belt portions 5, 7, 15 forming the hexagonal space 16. In FIG. 3 (a), the core material 17 is overlapped along the length direction of the inner surface of the front belt portion 5, and the both side edge portions are sewn, but as shown in FIG. 3 (b), When forming a belt by knitting, the belt may be internally provided. Alternatively, as shown in FIG. 3C, each belt of the plurality of belt portions 5, 7, 15 may be formed into a bag shape and inserted into the bag.

  By providing each of the flexible belt portions 5, 7, and 15 with the tape-shaped core material 17 having plastic deformability, the shape of each of the belt portions 5, 7, and 15 is maintained in a linear state. At this time, since the buttocks support belt 12 also maintains the molded state, the shape of the hexagonal space 16 is maintained by each of the plurality of belt portions 5, 7, 12, and 15.

  As a result, when the harness-type safety belt is suspended and supported by holding the ring body 3, each of the plurality of belt portions 5, 7, 12, 15 maintains a state of forming a hexagonal space 16, and a pair of shoulder belt portions 4 is a state of hanging from the intersection.

  Therefore, the pair of shoulder belt portions 4 can be easily found, and the twists and entanglements of the belts 1a, 1b and the chest belt 9 can be easily recognized, and the twists and entanglements can be easily restored. Can do. In addition, the harness-type safety belt has a form when worn by having the pair of shoulder belt portions 4. For this reason, it can be worn accurately and quickly.

  When wearing, a pair of shoulder belt portions 4 are hung on the shoulder, the back belt portion 7 is placed along the back, a pair of thigh belt portions 6 are wound around the thigh, and a connecting tool at the end of the thigh belt portion 6 The wrapping state is maintained by the engagement of the connector 13 at the end of the belt 13 and the back belt portion 7. Further, the chest belt 9 is connected by the engagement of the male buckle 10 and the female buckle 11 at the ends of the pair of chest belts 9. FIG. 2 shows a wearing state of the harness-type safety belt.

  As shown in FIG. 1, if the core member 17 provided on the front belt portion 5 is extended from the stitching portion 8 to the back belt portion 7 toward the connection position of the chest belt 9, the front belt portion 5 is twisted. It can be effective for prevention.

  When the core member 17 provided on the back belt portion 7 is extended from the stitching portion 8 to the front belt portion 5 toward the other end, the end portion of the back belt portion 7 is placed in the hexagonal space 16. It is possible to prevent the belt from entering and tangling with other belt portions.

  In FIG. 3, the tape-shaped core material 17 having plastic deformability is directly provided on each of the belt portions 5, 7, and 15. However, as shown in FIG. 6, the width dimension is set such that the belt portion can be wrapped. A male and female hook-and-loop fastener 21 that can be engaged with each other is attached to one side of the front surface of the flexible belt cover 20 and the other side of the back surface, and a tape-shaped core member 17 is attached to the center of the belt cover 20 on the back surface in the width direction. 4 and 5, the belt cover 20 is wound around each of the plurality of belt portions 5, 7, 15, and the belt cover 20 is attached by engagement of the surface fastener 21. 7 and 15 may be provided with a core material 17.

  In the embodiment, the buttocks support belt 12 is made of a resin molded product, but may be made of a flexible belt whose both ends are connected to the back belt portion 7 by stitching. In this case, the core member 17 is also attached to the buttocks support belt 12 to impart shape retention.

DESCRIPTION OF SYMBOLS 1a Belt 1b Belt 4 Shoulder belt part 5 Front side belt part 6 Thigh belt part 7 Back side belt part 9 Chest belt 12 Buttocks belt 15 Back belt 16 Hexagonal space 17 Core material

Claims (6)

Each of the two flexible belts is joined by crossing each other in a part of the length direction, and the one end side belt from the crossing portion to one end of the belt is folded back from a portion close to the crossing portion. A shoulder belt portion that is hung on the shoulder portion of the person, a front belt portion that extends along the left or right side of the waist from the chest to the buttocks and a thigh belt portion that is wound around the thigh, and a belt from the intersection The other end side belt that reaches the other end of the belt is a back side belt portion that extends from the back to the front side of the thigh along the left side or the right side of the waist portion, and the front side belt portion and the back side belt portion of the other belt are at the waist portion. A crossing portion is connected to each other, a chest belt having an end portion connected to the front belt portion is provided between the upper portions of the front belt portion, and between the end portions corresponding to the buttocks of the front belt portion In my harness type safety belt over the hip rest belt,
Hexagonal shape in which the backrest belt is passed to a position offset from the intersection of the pair of backside belt portions to the other end, and is surrounded by the backrest belt, the buttocks belt, the front belt portion, and the back belt portion. A tape-shaped core material having plastic deformability that extends along the length direction of each of the belt portions having flexibility among a plurality of belt portions around the space and imparts shape retention to each of the belt portions. A harness-type safety belt characterized by being provided.   The harness-type safety belt according to claim 1, wherein a core member provided on the front belt portion is extended from a crossing portion with respect to the back belt portion toward a connection position of the chest belt.   The harness-type safety belt according to claim 1 or 2, wherein a core member provided on the back belt portion is extended from an intersection portion with respect to the front belt portion toward the other end.   The harness-type safety belt according to any one of claims 1 to 3, wherein the core member is abutted against an inner surface of the belt portion and attached by sewing.   The harness type safety belt according to any one of claims 1 to 3, wherein the core material is incorporated in a belt portion.   The harness type safety belt according to any one of claims 1 to 3, wherein the core member is attached to a belt cover that can be attached to the belt portion in a wound state.

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