JP2010270412A - Insulating garment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an insulating garment preventing decrease in the motility of a worker. <P>SOLUTION: The insulating garment is such as to protect the body of the worker from electric shock, and is formed with thin fabric material 10 having electrical insulation and flexibility to make the worker easily move when worn, so as to be worn when performing maintenance on an electric vehicle. The garment is formed by welding the fabric material 10; wherein the welded part corresponding to at least the buttock of the worker is welded while the surfaces of the edge part of a fabric part 25P and the edge part of a fabric part 27P are inwardly wound in each other, and the welded part is folded back to the back surface side of the fabric part 27P so as to be doubly welded. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an insulating garment used to prevent electric shock.

  Conventionally, in a work site where there is a risk of an electric shock disaster, an operator wears an insulating clothing made of an insulating material to ensure safety. Such an insulating garment is primarily intended for use in hot wire work on high voltage electric wires. Therefore, in order to obtain electrical insulation that can be safely used for high voltages of about several thousand volts, the fabric material must be thicker than ordinary clothing, and the mobility of the worker wearing it is remarkably high. It is a factor that decreases.

  By the way, in the work site where there is a possibility of an electric shock disaster, the safety of the worker is given first priority. Therefore, even if there is a slight decrease in mobility, there is a fixed concept that insulation clothing can withstand “high voltage” because it must be insulation clothing that can ensure the safety of workers. Therefore, even in a work site where the voltage is assumed to be relatively low, an insulating clothing that can withstand a high voltage of about 7000 V is used instead of a dedicated insulating clothing. One of the tasks assumed to have a relatively low voltage is maintenance of an electric vehicle. The electric vehicle is assumed to have a voltage of 600 V or less, although there is a difference depending on the vehicle type.

  Here, the protective equipment for insulation such as insulation clothes is a withstand voltage due to a test alternating current (an alternating current with a frequency of 50 hertz or 60 hertz and a crest factor of 1.34 to 1.48) at room temperature. When the test is performed, an AC circuit having an AC voltage exceeding 300V and not exceeding 600V is used for 3000V, an AC voltage exceeding 600V and not exceeding 3500V or a DC circuit or a DC voltage exceeding 750V and not exceeding 3500V The Occupational Safety and Health Act stipulates that those used for electric circuits must be 12000V, and those used for electric circuits whose voltage is over 3500V and within 7000V must be able to withstand a voltage of 20000V for one minute. .

  As an insulating garment used at a work site where there is a risk of an electric shock disaster, for example, there is an insulation garment for live-line work described in Patent Document 1. This is because by providing bellows-like stretchable parts at the joints such as the shoulders and elbows, when the shoulders and elbows are bent and stretched, the stretchable parts will expand and contract according to the bending and stretching exercises so as not to impair the mobility. Designed.

Japanese Utility Model Publication No. 3-54102 (third column, line 12 to column 21, line 21)

  However, even if an expansion / contraction part is provided like the insulation garment for hot wire work described in Patent Document 1, only a predetermined part such as a shoulder or an elbow can be easily expanded / contracted, and all the operations of complicated workers are performed. It was not able to cope with. Moreover, since the expansion / contraction part is provided in a bellows shape, the expansion / contraction part is bulky, and there is a possibility that the mobility is impaired.

  The present invention overturns the conventional fixed concept and limits the application to maintenance work in an electric vehicle, which is a work with a relatively low voltage of 600 V or less, which is assumed as an electric shock disaster, thereby reducing the conventional insulation clothing. Therefore, it is an object of the present invention to provide an insulating garment that does not deteriorate the mobility of the worker.

In order to solve such problems, the insulation clothing according to the present invention is an insulation clothing for protecting an operator's body from an electric shock, and is worn when worn by a thin fabric material having electrical insulation and flexibility. It is formed to be easy to move and is used for maintenance of electric vehicles.
In addition, an insulating upper garment including an arm tube portion whose arm is protected from electric shock and a body tube portion whose body is protected from electric shock is included.
In addition, it includes an insulating garment having a waist tube portion whose waist is protected from electric shock and a leg tube portion whose legs are protected from electric shock.
In addition, at least a welded portion formed by welding the dough material and corresponding to an operator's buttocks, the surface sides of one end of the dough material and the other end of the dough material are inside each other. It is characterized in that it is wound and welded, and the welded portion is folded back and welded to the back side of the one material material.
Further, a front standing portion is provided on the front side of the waist tube portion of the insulating lower garment, and a lower end portion of the front standing portion is reinforced by welding the fabric material and sewing the welding portion, The reinforcing portion is covered with another material material.
Moreover, it is formed with the said fabric material cut | judged by three-dimensional cutting.

  By limiting the use of the insulating clothes to the maintenance work of the electric vehicle, the insulating clothes can be formed of a cloth material having a predetermined electric insulating property and flexibility and a thinner thickness than before. Thereby, when an operator wears, the insulation clothing which cannot impair mobility easily can be provided. Further, by forming the insulating clothes in three dimensions by draping, the insulating clothes can easily follow the movement of the operator. The fabric material is not particularly limited as long as it is thin and flexible and has electrical insulation that can ensure safety against electric shock in maintenance work of an electric vehicle.

  Further, when welding the fabric material, double welding is performed on the heel part, which is assumed to be burdensome and easily damaged by the operation of the operator, so that the welded portion is hardly damaged. Such double welding can be performed on a portion that is assumed to be easily damaged other than the collar portion.

  The lower end of the placket, which is assumed to be easily damaged by repeated wearing and undressing by the operator, is not simply joined by welding, but is also joined by sewing, so that the part is reinforced and damaged. Is less likely to occur. Under the present circumstances, the safety | security with respect to an operator's electric shock is ensured by coat | covering the reinforcement part by sewing with the cloth provided with insulation.

  ADVANTAGE OF THE INVENTION According to this invention, the insulation clothing which is used in the maintenance work of an electric vehicle and does not reduce a worker's mobility can be provided. In addition, an insulating garment having a predetermined durability can be provided.

It is the front view and partial enlarged view of the insulation garment which are one embodiment of this invention. It is a rear view of the insulation lower garment which is one embodiment of the present invention. It is a top view of the insulation lower garment which is one embodiment of the present invention. It is a bottom view of the insulation lower garment which is one embodiment of the present invention. It is a right view of the insulation lower garment which is one embodiment of this invention. It is a cross-sectional schematic diagram of a cloth material. It is a front view of the insulation lower garment which is one embodiment of the present invention. It is an AA cross-sectional schematic diagram of FIG. It is a BB cross-sectional schematic diagram of FIG. It is CC sectional schematic diagram of FIG. FIG. 2 is a DD cross-sectional schematic diagram of FIG. 1. It is the EE cross-section schematic diagram of FIG. FIG. 2 is a reference diagram when an operator wears the insulating garment of FIG. 1. It is a front view of the insulation upper garment which is other embodiment of this invention. It is a rear view of the insulation upper garment which is other embodiment of this invention. It is a cross-sectional schematic diagram of another dough material.

  Hereinafter, embodiments of the present invention will be specifically described with reference to the drawings. For the sake of convenience, the same reference numerals are given to the portions having the same operational effects, and the description thereof is omitted.

  1 is a front view of an insulating garment 1 as an example of an insulating garment, FIG. 2 is a rear view, FIG. 3 is a plan view, FIG. 4 is a bottom view, and FIG. 5 is a right side view. It is omitted because it is the same as the figure). The insulating garment 1 is worn by an operator to protect the lower body from an electric shock, and includes a waist tube portion 3 for protecting the operator's waist from an electric shock and a leg tube portion 5 for protecting the leg from an electric shock. . The leg cylinder part 5 is provided corresponding to each of the right leg and the left leg. In the illustrated example, the waist tube portion 3 and the leg tube portion 5 are integrally formed. However, the present invention is not limited to this. For example, the waist tube portion 3 and the leg tube portion 5 are separately formed, and welder welding ( Bonding may be performed by, for example, welding.

  For example, as shown in FIG. 6, the fabric material 10 constituting the waist tube portion 3 and the leg tube portion 5 is an electric material in which a resin material 13 having electrical insulation is coated on the front and back of the synthetic fiber cloth 11. It is a thin fabric material with insulation and flexibility. This is formed by, for example, covering the front and back of polyester with polyvinyl chloride. In this case, good electrical insulation and flexibility can be obtained with a thickness of about 0.5 mm. The resin material 13 only needs to have predetermined electrical insulation and flexibility in addition to polyvinyl chloride. For example, an ethylene / vinyl acetate copolymer resin can be used.

  The waist tube portion 3 and the leg tube portion 5 of the insulating lower garment 1 in the illustrated example constitute the right front surface portion 21, the left front surface portion 23, the right back surface portion 25, and the left back surface portion 27 in which the fabric material 10 is cut in three dimensions. Since it is formed in three dimensions by the fabric parts 21P, 23P, 25P and 27P, it is easier to move when worn by the operator. Moreover, since the cloth parts 25P and 27P which comprise the right back part 25 and the left back part 27 are formed in the width direction wider than the cloth parts 21P and 23P which comprise the right front part 21 and the left front part 23, for example, a collar part This makes it easy to perform bending and stretching movements.

  A pair of belts 31 that are hung on the shoulders of the operator are provided on the upper portion of the insulating garment 1. The belt pair 31 includes a belt 31A fixed to the upper end of the right front portion 21 and the upper end of the left rear portion 27, and a belt 31B fixed to the upper end of the left front portion 23 and the right rear portion 25. It is worn so as to intersect on the back of the operator. Each belt pair 31 is provided with a length adjusting portion 33 and a detachable buckle 35.

  A pair of hook-and-loop fasteners 41 and 42 detachably attached to predetermined portions of the right front surface portion 21 and the left front surface portion 23 are provided as engaging means on the front portion 40 which is the front opening of the waist tube portion 3 (see FIG. 7). . Thereby, the worker can easily attach and remove the insulating lower garment 1.

  Next, the joining of the fabric parts 21P, 23P, 25P, 27P and the joining of the surface fasteners 41, 42 in the embodiment will be described.

  As shown in FIG. 8 which is a schematic cross-sectional view taken along the line AA of FIG. 1, the end of each of the fabric parts 23P and 27P is inwardly joined to the fabric part 23P of the left front portion 23 and the fabric part 27P of the left back portion 27. The end surface sides are welded to each other by welder welding W (such a welder welded portion is schematically indicated by “W” in the figure). Thereby, the left leg tube part is formed by the fabric part 23P and the fabric part 27P. Further, as shown in FIG. 9 which is a schematic cross-sectional view taken along the line B-B of FIG. 1, the upper and lower edges (hems) of the fabric parts 23P and 27P are folded back to the inner sides of the fabric parts 23P and 27P. The back surfaces are welded by welder W. The joining of the fabric part 21P of the right front part 21 and the fabric part 25P of the right back part 25 is performed in the same manner.

  Bonding of the fabric part 25P of the right back surface portion 25 and the fabric part 27P of the left back surface portion 27 is as shown in FIG. 10 which is a CC cross-sectional schematic diagram of FIG. 1, and a DD cross-sectional schematic diagram of FIG. The end portions of each of the fabric parts 25P and 27P are wound inside, the end surface sides are welded to each other, and the welded portion is further bent to one side (the left rear surface portion 27 side in the drawing). (Hereinafter, such welding is referred to as “double welding” and is schematically indicated by “2W” in the figure). This part corresponds to the vicinity of the buttocks when the operator wears it, and it is particularly easy to be burdened when performing bending and stretching operations, etc., but because the double welding 2W is used as described above, the welded part is damaged. It ’s hard to break. Further, as shown in FIGS. 1 and 11, a reinforcing patch 60 formed in a circular shape by the fabric material 10 is welded to the joint portion of the fabric parts 21P, 23P, 25P and 27P.

  The fabric part 21P of the right front part 21 and the fabric part 23P of the left front part 23 are joined to a pair of detachable surface fasteners 41, which are mainly engaging means, as shown in the schematic sectional views of FIGS. 42, the front surface portion is opened in the state where the surface fasteners 41, 42 are peeled off (see FIG. 7). In the illustrated example, as shown in the partial enlarged view (in a circle) of FIG. 1, the lower part of the joint portion between the fabric part 21P of the right front portion 21 and the fabric part 23P of the left front portion 23 is double-welded 2W. The upper end portion of the double welded portion is sewn S. Even if opening and closing of the front opening (front standing part) by repeatedly attaching and detaching the surface fastener with the sewing part is repeated, the cloth part 21P of the right front part 21 and the cloth part 23P of the left front part 23 and the double welded 2W part are hardly damaged. It has become. In particular, since the sewing portion is inclined, a force is easily applied evenly when opening the front side.

  The attachment of the hook-and-loop fasteners 41 and 42 will be described with reference to FIG. A square hook-and-loop fastener 42 attached to the cloth part 23P of the left front surface portion 23 is larger than the hook-and-loop fastener 42 and is sewn and fixed to a sheet 44 made of the cloth material 10. The sheet 44 is welded to the welder W at a position corresponding to the front opening of the waist tube portion 3 on the inner surface of the fabric part 23P of the left front surface portion 23. At this time, as shown in the drawing, the fabric part 23P and the sheet 44 are arranged so as to overlap each other, and the welder welding at the opening side end portion is folded inward at the end portion of the fabric part 23P, and the sheet 44 is placed on the folded portion. Since the end portions of the two are overlapped and welded, double welding 2W is obtained. Accordingly, even if the surface fasteners 41 and 42 are repeatedly attached and detached, the welded portion between the sheet 44 and the fabric part 23P is not easily damaged.

  A square hook-and-loop fastener 41 attached to the fabric part 21P of the right front surface portion 21 is larger than the hook-and-loop fastener 41 and is sewn and fixed to a sheet 43 made of the fabric material 10. And the sheet | seat 43 is welded in the position corresponded to the front side opening of the waist cylinder part 3 in the outer surface of the fabric parts 21P of the right front part 21. FIG. At this time, as shown in the figure, the end portion of the fabric part 21P and the end portion of the sheet 43 are welded and welded, the end portion of the sheet 43 is folded back inside, and the fabric part 21P is folded on the folded portion. Since the end portions of the two are overlapped and welded, double welding 2W is obtained.

  The inner side of the sheet 43 is withstand voltage reinforced by a withstand voltage reinforcing portion 45 made of the same material. As shown in the partially enlarged view of FIG. 1, the withstand voltage reinforcing portion 45 has a width L <b> 1 larger than the sheet 43, and one vertical length (short side L <b> 2) is substantially the same as the sheet 43. The other length (long side L3) is formed long. In addition, it is preferable that the length of the long side L3 is longer than the length of the short side L2, for example about 60 mm or more. In such a withstand voltage reinforcing portion 45, the end on the short side L2 side is welder welded W to the end of the sheet 43, and the end on the long side L3 side is welded W to the fabric part 21P. As a result, it is possible to cover both the sewing part of the hook and loop fastener 41 and the seat 43 and the above-described sewing part of the fabric part 21P of the right front part 21 and the fabric part 23P of the left front part 23. In addition, since the operator does not come into contact with the sewing portion, electric shock from this portion is prevented and safety is improved.

  In addition, as shown in FIG. 12 which is a EE cross-sectional schematic diagram of FIG. 1, the seat 43 and the seat 44 are sewn S at the lower end portion with respect to the fabric part 23P on the front opening side. Even if the opening and closing of the front opening by repeatedly attaching and detaching 41 and 42 is repeated, the fabric part 21P of the right front surface portion 21, the fabric part 23P of the left front surface portion 23 and the double welded 2W portion are not easily damaged.

  For example, the length M1 is about 1040 mm to about 1130 mm, the crotch M2 is about 720 mm to about 780 mm, the waist width M3 is about 580 mm to about 645 mm, and the hem width M4 is about 245 mm to about 250 mm. These dimensions are merely examples, but are formed larger in the width direction than general clothes. As a result, a gap is generated between the worker and the insulating garment 1, and the restriction on the operation is relaxed. FIG. 13 is a reference diagram showing a state in which the operator wears the insulating garment 1 as described above. A belt pair 31 is hung on the shoulder of the operator, and the right front surface portion 21 and the left front surface portion 23 are the front.

  FIG. 14 is a front view of an insulating upper garment 100 as an example of an insulating garment, and FIG. 15 is a rear view. The insulating garment 100 is worn by an operator to protect the upper body from an electric shock, and includes an arm tube portion 130 that protects the operator's arm from an electric shock and a body tube portion 150 that protects the body from an electric shock. A collar portion 140 is provided at a position corresponding to the operator's neck to protect the neck from electric shock. In the illustrated example, the arm tube portion 130 is a raglan sleeve, but is not limited thereto, and may be a set-in sleeve or the like, for example.

  The fabric material constituting the arm tube portion 130, the trunk tube portion 150, and the collar portion 140 is, for example, the same as the above-described insulating garment, A thin fabric material 10 having insulating properties and flexibility.

  Insulated upper garment 100 in the illustrated example includes fabric parts 131P and 133P forming right arm portion 131 and left arm portion 133 constituting arm tube portion 130, right front surface portion 151, left front surface portion 153 and rear surface constituting body tube portion 150. It consists of fabric parts 151P, 153P, 155P that form the portion 155, and fabric parts 140P that form the collar 140. Each of these fabric parts is formed by slicing the fabric material 10 and is easier to move when worn by an operator.

  In the illustrated example, a plurality of buttons 110 are provided as engaging means at the front opening of the body tube portion 150 of the insulating upper garment 100, but are engaged by a pair of detachable surface fasteners such as the insulating lower garment 1 described above. A combination means may be configured. In the case where the surface fastener is provided, the strength is improved and the electric shock is prevented by the reinforcing fabric as described above.

  Next, the joining of the fabric parts 131P, 133P, 151P, 153P, 155P, and 140P in the embodiment will be described. The cloth parts 151P, 153P, and 155P are cylindrically bonded by welding the predetermined parts of the cloth part 151P of the right front surface 151 and the cloth part 153P of the left front surface 153 to the left and right ends of the cloth part 155P of the back surface 155. It is formed in a mold shape (the front side opening is engaged by the engaging means). Further, the fabric part 131P of the right arm portion 131 and the fabric part 133P of the left arm portion 133 are welded to each other so as to have a cylindrical shape.

  The right arm portion 131 and the left arm portion 133 thus formed in a cylindrical shape are welded to the trunk tube portion 150. Note that the welder welding of the right arm portion 131 and the left arm portion 133 to the trunk tube portion 150 can be a double weld as in the joining of the right back surface portion 25 and the left back surface portion 27 in the insulating garment 1 described above. The joint portion of the trunk tube portion 150 to the arm tube portion 130 is more likely to be loaded by the operator's operation than the other joint portions, but is difficult to be damaged by double welding in this way. The fabric part 140P of the collar portion 140 is welded to the body tube portion 150 and the arm tube portion 130 formed as described above.

  As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and the design can be changed without departing from the scope of the present invention. Is included in the present invention.

  For example, the configuration of the dough material is not limited to the materials described above, and can be changed as appropriate. For example, a plurality of the above-mentioned fabric materials can be laminated, and at that time, an insulating layer 111 can be separately provided between the fabric materials 10 and 10 as shown in FIG. When multiple thin fabric materials are stacked and thick fabric materials, it is harder to hinder the operator's movement to stack multiple thin fabric materials. Effective when it is high. The thickness of the fabric material can be appropriately changed according to the electric shock voltage assumed in the work.

  Moreover, although only the part (for example, collar part etc.) assumed that it is easy to damage was decided to carry out double welding, it is not restricted to this, You may carry out double welding with respect to all the welding parts. In this case, the structure is more difficult to break, but the manufacturing process becomes complicated. In the embodiment, since only the portion that is easily damaged is double welded, manufacturing is easy.

  Also, the operator can wear the insulating lower garment and the insulating upper garment separately as well as simultaneously. In this case, it is preferable that the upper end portion of the insulating lower garment is covered with the lower end portion of the insulating upper garment.

DESCRIPTION OF SYMBOLS 1 ... Insulation garment, 3 ... Waist cylinder part, 5 ... Leg cylinder part, 10 ... Fabric material, 11 ... Synthetic fiber cloth, 13 ... Resin material, 21 ... Right front part, 23 ... Left front part, 25 ... Right rear part, 27 ... Left rear part, 21P, 23P, 25P, 27P ... Dough part, 31 ... Belt, 40 ... Front stand (front opening), 41, 42 ... ... Hook fastener (engagement means), 43,44 ... Sheet, 45 ... Voltage proof reinforcement, 50 ... Sheet member, 55 ... Reinforcement fabric, 60 ... Reinforcement patch,
DESCRIPTION OF SYMBOLS 100 ... Insulating garment, 111 ... Insulating layer, 130 ... Arm cylinder part, 131 ... Right arm part, 133 ... Left arm part, 140 ... Collar part, 150 ... Trunk cylinder part, 151 ... Right front part, 153 …… Left front portion, 155 …… Back portion, 131P, 133P, 151P, 153P, 155P …… Dough parts,
W …… Welder welded part, 2W …… Double welded part

Claims (6)

Insulation clothing to protect the worker's body from electric shock,
An insulating garment characterized in that it is formed by a thin fabric material having electrical insulation and flexibility so as to be easily moved when worn and used for maintenance of an electric vehicle.   The insulating garment according to claim 1, further comprising an insulating upper garment having an arm tube portion in which an arm is protected from electric shock and a body tube portion in which a body is protected from electric shock.   The insulating garment according to claim 1, further comprising an insulating garment having a waist tube portion in which a waist is protected from an electric shock and a leg tube portion in which a leg is protected from an electric shock.   Formed by welding the dough material, and at least the weld portion corresponding to the heel of the operator, the surface sides of one end of the dough material and the other end of the dough material are wound inside. The insulation garment according to any one of claims 1 to 3, wherein the welded portion is further folded and welded to the back side of the one material material.   A front standing part is provided on the front side of the waist tube part of the insulating lower garment, and a lower end part of the front standing part is reinforced by welding the fabric material and sewing the welding part. The insulating garment according to any one of claims 1 to 4, which is covered with another fabric material. 6. The insulation garment according to claim 1, wherein the insulation garment is made of the material material that has been cut into three dimensions.